PMID-sentid Pub_year Sent_text comp_official_name comp_offset protein_name organism prot_offset 33577917-2 2021 Ribavirin, the only clinically approved drug known to target eIF4E, is an anti-viral molecule currently used in hepatitis C therapy. Ribavirin 0-9 eukaryotic translation initiation factor 4E Homo sapiens 61-66 33318657-0 2021 Targeting eIF4F translation initiation complex with SBI-756 sensitises B lymphoma cells to venetoclax. SBI-0640756 52-59 eukaryotic translation initiation factor 4E Homo sapiens 10-15 33318657-4 2021 We compared the mTOR kinase inhibitor (TOR-KI) MLN0128 with SBI-756, a compound targeting eukaryotic translation initiation factor 4G1 (eIF4G1), a scaffolding protein in the eIF4F complex. SBI-0640756 60-67 eukaryotic translation initiation factor 4E Homo sapiens 174-179 33318657-6 2021 SBI-756 prevented eIF4E-eIF4G1 association and cap-dependent translation without affecting mTOR substrate phosphorylation. SBI-0640756 0-7 eukaryotic translation initiation factor 4E Homo sapiens 18-23 33439620-12 2021 Our observations broaden the understanding of thiophosphate biochemistry and enable the rational design of translationally active mRNAs and eIF4E-targeting drugs. thiophosphoric acid 46-59 eukaryotic translation initiation factor 4E Homo sapiens 140-145 33605855-5 2021 The role of phosphorylation of eIF4E at Serine 209 on oncogenic transformation has been appreciated for the last 10 years and has been under active investigation as a therapeutic target for cancers including acute myeloid leukemia (AML), but the expression of p-eIF4E in the nucleus and the specific molecular mechanism of action remain largely unresolved. Serine 40-46 eukaryotic translation initiation factor 4E Homo sapiens 31-36 33605855-5 2021 The role of phosphorylation of eIF4E at Serine 209 on oncogenic transformation has been appreciated for the last 10 years and has been under active investigation as a therapeutic target for cancers including acute myeloid leukemia (AML), but the expression of p-eIF4E in the nucleus and the specific molecular mechanism of action remain largely unresolved. Serine 40-46 eukaryotic translation initiation factor 4E Homo sapiens 262-267 32398685-7 2021 We further showed that osimertinib potently inhibited the MNK kinase activities with IC50 values of 324 nM and 48.6 nM, respectively, against MNK1 and MNK2 kinases; osimertinib (0.3-3 muM) dose-dependently suppressed the phosphorylation of eukaryotic translation initiation factor 4E (eIF4E). osimertinib 23-34 eukaryotic translation initiation factor 4E Homo sapiens 240-283 33545678-2 2021 Recent drug repurposing efforts in multiple solid and hematologic malignancies have demonstrated that eIF4E and EZH2 are both pharmacologically inhibited by the FDA-approved antiviral drug ribavirin. Ribavirin 189-198 eukaryotic translation initiation factor 4E Homo sapiens 102-107 33545678-10 2021 CONCLUSIONS: The authors demonstrate that ribavirin, a clinically used drug known to inhibit eIF4E and EZH2, has significant antitumor effects in multiple preclinical models of medulloblastoma, including an aggressive group 3 animal model. Ribavirin 42-51 eukaryotic translation initiation factor 4E Homo sapiens 93-98 33328636-0 2021 Antidepressant actions of ketamine engage cell-specific translation via eIF4E. Ketamine 26-34 eukaryotic translation initiation factor 4E Homo sapiens 72-77 32398685-7 2021 We further showed that osimertinib potently inhibited the MNK kinase activities with IC50 values of 324 nM and 48.6 nM, respectively, against MNK1 and MNK2 kinases; osimertinib (0.3-3 muM) dose-dependently suppressed the phosphorylation of eukaryotic translation initiation factor 4E (eIF4E). osimertinib 23-34 eukaryotic translation initiation factor 4E Homo sapiens 285-290 33122085-6 2021 The formation of Y4: P38 hydrogen-bond interaction between the peptide and eIF4E is a rate limiting event in the efficient recognition of the protein since it occurs through the disordered region of the peptide. Hydrogen 25-33 eukaryotic translation initiation factor 4E Homo sapiens 75-80 32572959-7 2021 Furthermore, AR-A014418-elicited ERK inactivation inhibited Mnk1-mediated eIF4E phosphorylation, which inhibited MCL1 mRNA translation in U937 cells. N-(4-methoxybenzyl)-N'-(5-nitro-1,3-thiazol-2-yl)urea 13-23 eukaryotic translation initiation factor 4E Homo sapiens 74-79 32572959-11 2021 Collectively, these results indicate that AR-A014418-induced GSK3beta suppression inhibits ERK-Mnk1-eIF4E axis-modulated de novo MCL1 protein synthesis and thereby results in U937 cell apoptosis. N-(4-methoxybenzyl)-N'-(5-nitro-1,3-thiazol-2-yl)urea 42-52 eukaryotic translation initiation factor 4E Homo sapiens 100-105 33189285-2 2021 The mammalian target of rapamycin/eukaryotic initiation factor 4E (mTOR/eIF4E) signaling pathway is involved in fat synthesis. Sirolimus 24-33 eukaryotic translation initiation factor 4E Homo sapiens 72-77 33371356-4 2020 Here, we focused on mTOR signaling and investigated how the activities of phospho-ribosomal protein S6 (rps6) and phospho-eukaryotic translation initiation factor 4E (eIF-4E), which act downstream of mTOR signaling in the human placenta, change following treatment of FGR with tadalafil and aimed to elucidate the underlying mechanism of action. Tadalafil 277-286 eukaryotic translation initiation factor 4E Homo sapiens 167-173 33371356-8 2020 Levels of phospho-rps6 and phospho-eIF-4E were significantly higher in FGR placenta than in control placenta but decreased to control levels after tadalafil treatment. Tadalafil 147-156 eukaryotic translation initiation factor 4E Homo sapiens 35-41 33371356-9 2020 Conclusions: Tadalafil restored the levels of HIF-2alpha, phospho-rps6, and eIF-4E in FGR placenta to those observed in control placenta, suggesting that it could be a promising treatment strategy for FGR. Tadalafil 13-22 eukaryotic translation initiation factor 4E Homo sapiens 76-82 33135632-6 2020 p-eIF4E cooperated with mutant KRAS to promote Myc and ISR-dependent glutamine addiction in various CRC cell lines, characterized by increased cell death, transcriptomic heterogeneity and immune suppression upon deprivation. Glutamine 69-78 eukaryotic translation initiation factor 4E Homo sapiens 2-7 32981220-4 2020 Overexpression of E6 constructs (HPV-6, HPV-16, HPV-18, and HPV52) showed that E6 oncoproteins increased phosphorylation of the eIF4E protein (Serine-209). Serine 143-149 eukaryotic translation initiation factor 4E Homo sapiens 128-133 33116125-8 2020 Moreover, ZJQ-24 inhibited the cap-dependent translation initiation by impairing the assembly of the eIF4E/eIF4G complex. zjq-24 10-16 eukaryotic translation initiation factor 4E Homo sapiens 101-106 32739551-0 2020 A cell-penetrant lactam-stapled peptide for targeting eIF4E protein-protein interactions. Lactams 17-23 eukaryotic translation initiation factor 4E Homo sapiens 54-59 32739551-4 2020 Herein, we describe our continued efforts in this area and report the development and characterization of a cell-penetrant lactam stapled peptide for targeting cellular eIF4E. Lactams 123-129 eukaryotic translation initiation factor 4E Homo sapiens 169-174 32941651-6 2020 The 3" UTR of GCH1-mediated translation was resistant to the mTOR inhibitor Torin 1, which inhibits cap-dependent initiation by increasing eIF4E-unbound eIF4G. Torin 1 76-83 eukaryotic translation initiation factor 4E Homo sapiens 139-144 32606016-7 2020 Modulation of EZH2, Snail, eIF4E, IMPDH, mTOR, and cyclin D1 were observed in western blots and enzymatic activity assays in response to ribavirin treatment. Ribavirin 137-146 eukaryotic translation initiation factor 4E Homo sapiens 27-32 32828276-0 2020 Preclinical evidence that MNK/eIF4E inhibition by cercosporamide enhances the response to antiangiogenic TKI and mTOR inhibitor in renal cell carcinoma. cercosporamide 50-64 eukaryotic translation initiation factor 4E Homo sapiens 30-35 32535199-3 2020 The activities of eIF4E are regulated at multiple levels, one of which is through its phosphorylation at Serine 209 by the mitogen-activated protein kinase-interacting kinases (MNKs, including MNK1 and MNK2). Serine 105-111 eukaryotic translation initiation factor 4E Homo sapiens 18-23 32606016-10 2020 Our work suggests that NPC responds to ribavirin-mediated EZH2, Snail, eIF4E, IMPDH, and mTOR changes and positions ribavirin for clinical evaluation as a potential addition to our NPC treatment armamentarium. Ribavirin 39-48 eukaryotic translation initiation factor 4E Homo sapiens 71-76 32736668-0 2020 Inhibition of eIF4E signaling by ribavirin selectively targets lung cancer and angiogenesis. Ribavirin 33-42 eukaryotic translation initiation factor 4E Homo sapiens 14-19 32736668-8 2020 The mechanism studies demonstrate that ribavirin acts on lung cancer cells via suppressing eIF4E and mTOR signaling, leading to the subsequent inhibition of eIF4E-mediated protein translation. Ribavirin 39-48 eukaryotic translation initiation factor 4E Homo sapiens 91-96 32736668-8 2020 The mechanism studies demonstrate that ribavirin acts on lung cancer cells via suppressing eIF4E and mTOR signaling, leading to the subsequent inhibition of eIF4E-mediated protein translation. Ribavirin 39-48 eukaryotic translation initiation factor 4E Homo sapiens 157-162 31512056-0 2020 Positive Correlative over-Expression between eIF4E and Snail in Nasopharyngeal Carcinoma Promotes its Metastasis and Resistance to Cisplatin. Cisplatin 131-140 eukaryotic translation initiation factor 4E Homo sapiens 45-50 32278762-8 2020 RESULTS: Curcumol reduced the expression of phosphorylated signal transducer and activator of transcription 3 (p-STAT3) via JAK1, JAK2, and Src pathways and inhibited hypoxia-inducible factor-1alpha (HIF-1alpha) protein synthesis via mTOR/p70S6K/eIF4E and MAPK pathways. curcumol 9-17 eukaryotic translation initiation factor 4E Homo sapiens 246-251 32733883-7 2020 The binding of eIF4E to interacting proteins (4EIPs) that sequester it represents a node that controls many aspects of mRNP fate including localization, stability, poly(A) elongation, deadenylation, and translational activation/repression. Poly A 164-171 eukaryotic translation initiation factor 4E Homo sapiens 15-20 32362385-8 2020 These new potential pronucleotides and the expected products of their activation were characterized by biophysical and biochemical methods to determine their affinity towards eIF4E, their ability to inhibit translation in vitro, their susceptibility to enzymatic degradation and their turnover in cell extract. pronucleotides 20-34 eukaryotic translation initiation factor 4E Homo sapiens 175-180 31512056-5 2020 In NPC cells, eIF4E knockdown significantly reduced Snail mRNA and protein levels, increased the mRNA level of E-cad (a direct downstream gene of Snail and a negative EMT marker), attenuated the invasive ability of the cells, and sensitized the cells to cisplatin in invasion. Cisplatin 254-263 eukaryotic translation initiation factor 4E Homo sapiens 14-19 29334312-0 2020 Targeting of phospho-eIF4E by homoharringtonine eradicates a distinct subset of human acute myeloid leukemia. Homoharringtonine 30-47 eukaryotic translation initiation factor 4E Homo sapiens 21-26 32626528-11 2020 In conclusion, the findings of the present study suggest that HIF-1alpha may be a key factor in borneol induced apoptosis of glioma cells, and mTORC1 / eIF4E pathway is involved in the HIF-1alpha regulation by borneol in malignant glioma. isoborneol 210-217 eukaryotic translation initiation factor 4E Homo sapiens 152-157 31811670-4 2020 A key feature that emerges as a result of eIF4E phosphorylation is a salt-bridge network between the phosphorylated S209 (pS209) and a specific pair of lysine residues (K159 and K162) within the cap-binding interface on eIF4E. Lysine 152-158 eukaryotic translation initiation factor 4E Homo sapiens 42-47 31811670-4 2020 A key feature that emerges as a result of eIF4E phosphorylation is a salt-bridge network between the phosphorylated S209 (pS209) and a specific pair of lysine residues (K159 and K162) within the cap-binding interface on eIF4E. Lysine 152-158 eukaryotic translation initiation factor 4E Homo sapiens 220-225 32066877-0 2020 Phosphorylation independent eIF4E translational reprogramming of selective mRNAs determines tamoxifen resistance in breast cancer. Tamoxifen 92-101 eukaryotic translation initiation factor 4E Homo sapiens 28-33 32066877-6 2020 Furthermore, tamoxifen resistance was conferred by phosphorylation independent eIF4E overexpression. Tamoxifen 13-22 eukaryotic translation initiation factor 4E Homo sapiens 79-84 32066877-7 2020 Immunohistochemistry on 134 estrogen receptor (ER+) primary breast cancer samples confirmed that high eIF4E expression was significantly associated with increased ERalpha and FOXM1, and significantly associated with tamoxifen resistance. Estrogens 28-36 eukaryotic translation initiation factor 4E Homo sapiens 102-107 32066877-7 2020 Immunohistochemistry on 134 estrogen receptor (ER+) primary breast cancer samples confirmed that high eIF4E expression was significantly associated with increased ERalpha and FOXM1, and significantly associated with tamoxifen resistance. Tamoxifen 216-225 eukaryotic translation initiation factor 4E Homo sapiens 102-107 32066877-8 2020 Our study uncovers a novel mechanism whereby phosphorylation independent eIF4E translational reprogramming in governing the protein synthesis of ERalpha and FOXM1 contributes to anti-estrogen insensitivity in ER+ breast cancer. Estrogens 183-191 eukaryotic translation initiation factor 4E Homo sapiens 73-78 32066877-9 2020 In eIF4E overexpressing breast cancer, the increased ERalpha protein expression in turn enhances FOXM1 transcription, which together with its increased translation regulated by eIF4E, contributes to tamoxifen resistance. Tamoxifen 199-208 eukaryotic translation initiation factor 4E Homo sapiens 3-8 32066877-9 2020 In eIF4E overexpressing breast cancer, the increased ERalpha protein expression in turn enhances FOXM1 transcription, which together with its increased translation regulated by eIF4E, contributes to tamoxifen resistance. Tamoxifen 199-208 eukaryotic translation initiation factor 4E Homo sapiens 177-182 32066877-10 2020 Coupled with eIF4E translational regulation, our study highlights an important mechanism conferring tamoxifen resistance via both ERalpha dependent and independent pathways. Tamoxifen 100-109 eukaryotic translation initiation factor 4E Homo sapiens 13-18 31921404-0 2020 TSC patient-derived isogenic neural progenitor cells reveal altered early neurodevelopmental phenotypes and rapamycin-induced MNK-eIF4E signaling. Sirolimus 108-117 eukaryotic translation initiation factor 4E Homo sapiens 130-135 32105459-0 2020 Discovery of Lysine-Targeted eIF4E Inhibitors through Covalent Docking. Lysine 13-19 eukaryotic translation initiation factor 4E Homo sapiens 29-34 32105459-2 2020 eIF4E is a notoriously challenging target, and most of the reported inhibitors are negatively charged guanine analogues with negligible cell permeability. Guanine 102-109 eukaryotic translation initiation factor 4E Homo sapiens 0-5 32105459-5 2020 Taking advantage of a "make-on-demand" virtual library, we used covalent docking to identify arylsulfonyl fluorides that target a noncatalytic lysine (Lys162) in eIF4E. arylsulfonyl fluorides 93-115 eukaryotic translation initiation factor 4E Homo sapiens 162-167 32105459-5 2020 Taking advantage of a "make-on-demand" virtual library, we used covalent docking to identify arylsulfonyl fluorides that target a noncatalytic lysine (Lys162) in eIF4E. Lysine 143-149 eukaryotic translation initiation factor 4E Homo sapiens 162-167 32105459-6 2020 Guided by cocrystal structures, we elaborated arylsulfonyl fluoride 2 to 12, which to our knowledge is the first covalent eIF4E inhibitor with cellular activity. arylsulfonyl fluoride 46-67 eukaryotic translation initiation factor 4E Homo sapiens 122-127 32105459-7 2020 In addition to providing a new tool for acutely inactivating eIF4E in cells, our computational approach may offer a general strategy for developing selective lysine-targeted covalent ligands. Lysine 158-164 eukaryotic translation initiation factor 4E Homo sapiens 61-66 32075852-5 2020 Under hypoxic conditions, TG2 polyaminated eukaryotic translation initiation factor 4E (eIF4E)-bound eukaryotic translation initiation factor 4E-binding proteins (4EBPs) at conserved glutamine residues. arginyl-glutamine 183-192 eukaryotic translation initiation factor 4E Homo sapiens 43-86 32075852-5 2020 Under hypoxic conditions, TG2 polyaminated eukaryotic translation initiation factor 4E (eIF4E)-bound eukaryotic translation initiation factor 4E-binding proteins (4EBPs) at conserved glutamine residues. arginyl-glutamine 183-192 eukaryotic translation initiation factor 4E Homo sapiens 88-93 32075852-5 2020 Under hypoxic conditions, TG2 polyaminated eukaryotic translation initiation factor 4E (eIF4E)-bound eukaryotic translation initiation factor 4E-binding proteins (4EBPs) at conserved glutamine residues. arginyl-glutamine 183-192 eukaryotic translation initiation factor 4E Homo sapiens 101-144 31974652-3 2020 7-Cl-Ph-Ethyl-GMP is an analog of cap and inhibits protein translation by binding and sequestering eIF4E thus blocking eIF4E from binding to the mRNA cap. 2'-guanylic acid 0-17 eukaryotic translation initiation factor 4E Homo sapiens 99-104 31974652-3 2020 7-Cl-Ph-Ethyl-GMP is an analog of cap and inhibits protein translation by binding and sequestering eIF4E thus blocking eIF4E from binding to the mRNA cap. 2'-guanylic acid 0-17 eukaryotic translation initiation factor 4E Homo sapiens 119-124 31612523-0 2020 Morphine stimulates angiogenesis through Akt/mTOR/eIF4E activation under serum deprivation or H2 O2 -induced oxidative stress condition. Morphine 0-8 eukaryotic translation initiation factor 4E Homo sapiens 50-55 31612523-10 2020 Mechanism analysis indicated that morphine alleviated serum deprivation and H2 O2 -induced angiogenesis inhibition via reducing oxidative stress and damage, and activating Akt/mTOR/eIF4E signaling. Morphine 34-42 eukaryotic translation initiation factor 4E Homo sapiens 181-186 31612523-10 2020 Mechanism analysis indicated that morphine alleviated serum deprivation and H2 O2 -induced angiogenesis inhibition via reducing oxidative stress and damage, and activating Akt/mTOR/eIF4E signaling. Water 76-81 eukaryotic translation initiation factor 4E Homo sapiens 181-186 31894299-5 2020 This study identified a positive association between FLI1 expression and mitogen-activated protein kinase (MAPK)-interacting serine/threonine kinase1 (MKNK1), the immediate upstream regulator of the eIF4E initiation factor. cholecystokinin C-terminal flanking peptide 125-131 eukaryotic translation initiation factor 4E Homo sapiens 199-204 31894299-5 2020 This study identified a positive association between FLI1 expression and mitogen-activated protein kinase (MAPK)-interacting serine/threonine kinase1 (MKNK1), the immediate upstream regulator of the eIF4E initiation factor. glycyl-threonine 132-141 eukaryotic translation initiation factor 4E Homo sapiens 199-204 31782083-3 2020 We provide evidence that eIF4E phosphorylation is regulated by mTORC1 by virtue of its interaction with Raptor through a novel TPTPNPP motif and consequent phosphorylation invitro and in vivo in a Rapamycin-sensitive manner. Sirolimus 197-206 eukaryotic translation initiation factor 4E Homo sapiens 25-30 31782083-4 2020 While we show that phosphorylation pattern of eIF4E responds faithfully to Rapamycin inhibition, the prolonged exposure to Rapamycin rescues the loss of eIF4E phosphorylation through Mnk1 activation. Sirolimus 75-84 eukaryotic translation initiation factor 4E Homo sapiens 46-51 31782083-4 2020 While we show that phosphorylation pattern of eIF4E responds faithfully to Rapamycin inhibition, the prolonged exposure to Rapamycin rescues the loss of eIF4E phosphorylation through Mnk1 activation. Sirolimus 123-132 eukaryotic translation initiation factor 4E Homo sapiens 153-158 31782083-5 2020 We also present evidence that eIF4E interacts with the amino terminal domain of S6K1 in a phospho-dependent manner, and this interaction is instrumental in overriding Rapamycin inhibition of S6K1. Amino Acids 55-60 eukaryotic translation initiation factor 4E Homo sapiens 30-35 31782083-5 2020 We also present evidence that eIF4E interacts with the amino terminal domain of S6K1 in a phospho-dependent manner, and this interaction is instrumental in overriding Rapamycin inhibition of S6K1. Sirolimus 167-176 eukaryotic translation initiation factor 4E Homo sapiens 30-35 31921404-10 2020 Rapamycin also increased MNK1/2-eIF4E signaling in TSC1-deficient NPCs. Sirolimus 0-9 eukaryotic translation initiation factor 4E Homo sapiens 32-37 31740775-3 2019 Asparagine limitation in melanoma and pancreatic cancer cells activates receptor tyrosine kinase-MAPK signalling as part of a feedforward mechanism involving mammalian target of rapamycin complex 1 (mTORC1)-dependent increase in MAPK-interacting kinase 1 (MNK1) and eukaryotic translation initiation factor 4E (eIF4E), resulting in enhanced translation of activating transcription factor 4 (ATF4) mRNA. tert-butyloxycarbonyl-tryptophyl-leucyl-asparagine 0-10 eukaryotic translation initiation factor 4E Homo sapiens 266-309 32349518-0 2020 Cinobufagin Triggers Defects in Spindle Formation and Cap-Dependent Translation in Liver Cancer Cells by Inhibiting the AURKA-mTOR-eIF4E Axis. cinobufagin 0-11 eukaryotic translation initiation factor 4E Homo sapiens 131-136 32349518-7 2020 Our results suggested that cinobufagin performed an antitumor effects in liver cancer cells by inhibiting the AURKA-mTOR-eIF4E axis. cinobufagin 27-38 eukaryotic translation initiation factor 4E Homo sapiens 121-126 31878201-8 2019 In contrast, a PI3K/mTOR inhibitor omipalisib blocked the phosphorylation of Akt and both S6K/S6 and 4E-BP/eIF4E branches, and additively decreased the growth of TSC2-null cells with rapamycin. omipalisib 35-45 eukaryotic translation initiation factor 4E Homo sapiens 107-112 31903169-3 2019 Our studies provide evidence that SEL201 suppresses eIF4E phosphorylation on Ser209 in AML cell lines and in primary patient-derived AML cells. seryl-seryl-seryl-arginine 77-80 eukaryotic translation initiation factor 4E Homo sapiens 52-57 31578228-6 2019 RESULTS: In vitro ibrutinib treatment of CLL significantly reduced activated NOTCH1/2 and induced dephosphorylation of eIF4E, a NOTCH target in CLL. ibrutinib 18-27 eukaryotic translation initiation factor 4E Homo sapiens 119-124 31740775-3 2019 Asparagine limitation in melanoma and pancreatic cancer cells activates receptor tyrosine kinase-MAPK signalling as part of a feedforward mechanism involving mammalian target of rapamycin complex 1 (mTORC1)-dependent increase in MAPK-interacting kinase 1 (MNK1) and eukaryotic translation initiation factor 4E (eIF4E), resulting in enhanced translation of activating transcription factor 4 (ATF4) mRNA. tert-butyloxycarbonyl-tryptophyl-leucyl-asparagine 0-10 eukaryotic translation initiation factor 4E Homo sapiens 311-316 31740775-3 2019 Asparagine limitation in melanoma and pancreatic cancer cells activates receptor tyrosine kinase-MAPK signalling as part of a feedforward mechanism involving mammalian target of rapamycin complex 1 (mTORC1)-dependent increase in MAPK-interacting kinase 1 (MNK1) and eukaryotic translation initiation factor 4E (eIF4E), resulting in enhanced translation of activating transcription factor 4 (ATF4) mRNA. Tyrosine 81-89 eukaryotic translation initiation factor 4E Homo sapiens 266-309 31740775-3 2019 Asparagine limitation in melanoma and pancreatic cancer cells activates receptor tyrosine kinase-MAPK signalling as part of a feedforward mechanism involving mammalian target of rapamycin complex 1 (mTORC1)-dependent increase in MAPK-interacting kinase 1 (MNK1) and eukaryotic translation initiation factor 4E (eIF4E), resulting in enhanced translation of activating transcription factor 4 (ATF4) mRNA. Tyrosine 81-89 eukaryotic translation initiation factor 4E Homo sapiens 311-316 31712417-2 2019 The m7G cap is required for RNAs to bind the eukaryotic translation initiation factor eIF4E and associate with the translation machinery across plant and animal kingdoms. Guanosine 4-7 eukaryotic translation initiation factor 4E Homo sapiens 86-91 31439631-1 2019 GIGYF (Grb10-interacting GYF [glycine-tyrosine-phenylalanine domain]) proteins coordinate with 4EHP (eIF4E [eukaryotic initiation factor 4E] homologous protein), the DEAD (Asp-Glu-Ala-Asp)-box helicase Me31B/DDX6, and mRNA-binding proteins to elicit transcript-specific repression. Glycine 30-37 eukaryotic translation initiation factor 4E Homo sapiens 101-106 31684984-10 2019 FL3 induced apoptosis of DLBCL cell lines that was associated with inhibition of the ERK-MNK-eIF4E signaling pathway, including aggressive double/triple-hit DLBCL cell lines. fl3 0-3 eukaryotic translation initiation factor 4E Homo sapiens 93-98 31695627-8 2019 Additionally, translation initiation factor 4E (eIF4E), an important regulator of Akt signaling, was identified to be a target of miR-150, and both eIF4E knockdown and Akt inhibitor GSK690693 inhibited PDGF-BB-induced ASMC proliferation and migration. GSK690693 182-191 eukaryotic translation initiation factor 4E Homo sapiens 48-53 31439631-1 2019 GIGYF (Grb10-interacting GYF [glycine-tyrosine-phenylalanine domain]) proteins coordinate with 4EHP (eIF4E [eukaryotic initiation factor 4E] homologous protein), the DEAD (Asp-Glu-Ala-Asp)-box helicase Me31B/DDX6, and mRNA-binding proteins to elicit transcript-specific repression. Glycine 30-37 eukaryotic translation initiation factor 4E Homo sapiens 108-139 31439631-1 2019 GIGYF (Grb10-interacting GYF [glycine-tyrosine-phenylalanine domain]) proteins coordinate with 4EHP (eIF4E [eukaryotic initiation factor 4E] homologous protein), the DEAD (Asp-Glu-Ala-Asp)-box helicase Me31B/DDX6, and mRNA-binding proteins to elicit transcript-specific repression. Tyrosine 38-46 eukaryotic translation initiation factor 4E Homo sapiens 101-106 31439631-1 2019 GIGYF (Grb10-interacting GYF [glycine-tyrosine-phenylalanine domain]) proteins coordinate with 4EHP (eIF4E [eukaryotic initiation factor 4E] homologous protein), the DEAD (Asp-Glu-Ala-Asp)-box helicase Me31B/DDX6, and mRNA-binding proteins to elicit transcript-specific repression. Tyrosine 38-46 eukaryotic translation initiation factor 4E Homo sapiens 108-139 31439631-1 2019 GIGYF (Grb10-interacting GYF [glycine-tyrosine-phenylalanine domain]) proteins coordinate with 4EHP (eIF4E [eukaryotic initiation factor 4E] homologous protein), the DEAD (Asp-Glu-Ala-Asp)-box helicase Me31B/DDX6, and mRNA-binding proteins to elicit transcript-specific repression. Phenylalanine 47-60 eukaryotic translation initiation factor 4E Homo sapiens 101-106 31439631-1 2019 GIGYF (Grb10-interacting GYF [glycine-tyrosine-phenylalanine domain]) proteins coordinate with 4EHP (eIF4E [eukaryotic initiation factor 4E] homologous protein), the DEAD (Asp-Glu-Ala-Asp)-box helicase Me31B/DDX6, and mRNA-binding proteins to elicit transcript-specific repression. Phenylalanine 47-60 eukaryotic translation initiation factor 4E Homo sapiens 108-139 31483294-7 2019 We show that metformin, an FDA-approved eIF4E inhibitor, suppresses intractable epilepsy. Metformin 13-22 eukaryotic translation initiation factor 4E Homo sapiens 40-45 31607311-2 2019 METHODS: Multiple myeloma CD138+ plasma cells were treated with eIF4E inhibitor 4EGI, the changes of autophagy-related factors LC3-II and Beclin1 were detected by fluorescent quantitative PCR and Western blot, the changes of cell proliferation inhibition were detected by MTT assay, and cell apoptosis was detected by flow cytometry. 4-amino-6-methyl-1,3,5-triazine-2-thiol 80-84 eukaryotic translation initiation factor 4E Homo sapiens 64-69 31215581-0 2019 The role of olefin geometry in the activity of hydrocarbon stapled peptides targeting eukaryotic translation initiation factor 4E (eIF4E). Alkenes 12-18 eukaryotic translation initiation factor 4E Homo sapiens 86-129 31327462-6 2019 We found that eIF4E phosphorylation was upregulated in cervical cancer cells and tissues but not normal cervical counterparts, and its phosphorylation at Ser 209 activates Wnt/beta-catenin signaling, promotes growth and migration in cervical cancer, in an MNK-dependent manner. Serine 154-157 eukaryotic translation initiation factor 4E Homo sapiens 14-19 31132531-0 2019 Design, synthesis and biological evaluation of bromophenol-thiazolylhydrazone hybrids inhibiting the interaction of translation initiation factors eIF4E/eIF4G as multifunctional agents for cancer treatment. bromophenol-thiazolylhydrazone 47-77 eukaryotic translation initiation factor 4E Homo sapiens 147-152 31132531-4 2019 Further mechanism study demonstrated EGPI-1 played an antitumor role in multiple modes of action including regulating the activity of eIF4E by inhibiting the phosphorylation of eIF4E and 4EBP1, disrupting mitochondrial function through the mTOR/4EBP1 signaling pathway, and inducing autophagy, apoptosis and ROS generation. ros 308-311 eukaryotic translation initiation factor 4E Homo sapiens 134-139 31074051-1 2019 Eukaryotic initiation factor 4E (eIF4E), a fundamental effector and rate limiting element of protein synthesis, binds the 7-methylguanosine cap at the 5" end of eukaryotic messenger RNA (mRNA) specifically as a constituent of eIF4F translation initiation complex thus facilitating the recruitment of mRNA to the ribosomes. 7-methylguanosine 122-139 eukaryotic translation initiation factor 4E Homo sapiens 0-31 31074051-1 2019 Eukaryotic initiation factor 4E (eIF4E), a fundamental effector and rate limiting element of protein synthesis, binds the 7-methylguanosine cap at the 5" end of eukaryotic messenger RNA (mRNA) specifically as a constituent of eIF4F translation initiation complex thus facilitating the recruitment of mRNA to the ribosomes. 7-methylguanosine 122-139 eukaryotic translation initiation factor 4E Homo sapiens 33-38 31074051-1 2019 Eukaryotic initiation factor 4E (eIF4E), a fundamental effector and rate limiting element of protein synthesis, binds the 7-methylguanosine cap at the 5" end of eukaryotic messenger RNA (mRNA) specifically as a constituent of eIF4F translation initiation complex thus facilitating the recruitment of mRNA to the ribosomes. 7-methylguanosine 122-139 eukaryotic translation initiation factor 4E Homo sapiens 226-231 31431614-2 2019 In this study, we delineate that KRAS-mutant lung cancer cells resistant to pemetrexed (MTA) and anti-MEK drug trametinib acquire an exquisite dependency on endoplasmic reticulum (ER) stress signaling, rendering resistant cancer cells selectively susceptible to blockage of HSP90, the receptor tyrosine kinase AXL, the eukaryotic translation initiation factor 4E (eIF4E), and the unfolded protein response (UPR). Pemetrexed 76-86 eukaryotic translation initiation factor 4E Homo sapiens 319-362 31431614-2 2019 In this study, we delineate that KRAS-mutant lung cancer cells resistant to pemetrexed (MTA) and anti-MEK drug trametinib acquire an exquisite dependency on endoplasmic reticulum (ER) stress signaling, rendering resistant cancer cells selectively susceptible to blockage of HSP90, the receptor tyrosine kinase AXL, the eukaryotic translation initiation factor 4E (eIF4E), and the unfolded protein response (UPR). Pemetrexed 76-86 eukaryotic translation initiation factor 4E Homo sapiens 364-369 31431614-2 2019 In this study, we delineate that KRAS-mutant lung cancer cells resistant to pemetrexed (MTA) and anti-MEK drug trametinib acquire an exquisite dependency on endoplasmic reticulum (ER) stress signaling, rendering resistant cancer cells selectively susceptible to blockage of HSP90, the receptor tyrosine kinase AXL, the eukaryotic translation initiation factor 4E (eIF4E), and the unfolded protein response (UPR). trametinib 111-121 eukaryotic translation initiation factor 4E Homo sapiens 319-362 31431614-2 2019 In this study, we delineate that KRAS-mutant lung cancer cells resistant to pemetrexed (MTA) and anti-MEK drug trametinib acquire an exquisite dependency on endoplasmic reticulum (ER) stress signaling, rendering resistant cancer cells selectively susceptible to blockage of HSP90, the receptor tyrosine kinase AXL, the eukaryotic translation initiation factor 4E (eIF4E), and the unfolded protein response (UPR). trametinib 111-121 eukaryotic translation initiation factor 4E Homo sapiens 364-369 31215581-0 2019 The role of olefin geometry in the activity of hydrocarbon stapled peptides targeting eukaryotic translation initiation factor 4E (eIF4E). Alkenes 12-18 eukaryotic translation initiation factor 4E Homo sapiens 131-136 31215581-4 2019 By applying this HCS to the disordered peptide eIF4E-binding protein 1 (4E-BP1), we discovered that this type of tethering has a dramatic effect on olefin geometry and activity of the resultant stapled peptides, where the putative trans isomer was found to exhibit enhanced in vitro and cellular inhibitory activity against eIF4E protein-protein interactions. Alkenes 148-154 eukaryotic translation initiation factor 4E Homo sapiens 47-52 30801798-5 2019 A pyrene-labeled m7 GTP analogue showed up to eightfold enhanced fluorescence emission upon binding to eukaryotic translation initiation factor 4E (eIF4E) and over 30-fold enhancement upon cleavage by decapping scavenger (DcpS) enzyme. pyrene 2-8 eukaryotic translation initiation factor 4E Homo sapiens 103-146 30801798-5 2019 A pyrene-labeled m7 GTP analogue showed up to eightfold enhanced fluorescence emission upon binding to eukaryotic translation initiation factor 4E (eIF4E) and over 30-fold enhancement upon cleavage by decapping scavenger (DcpS) enzyme. pyrene 2-8 eukaryotic translation initiation factor 4E Homo sapiens 148-153 30801798-5 2019 A pyrene-labeled m7 GTP analogue showed up to eightfold enhanced fluorescence emission upon binding to eukaryotic translation initiation factor 4E (eIF4E) and over 30-fold enhancement upon cleavage by decapping scavenger (DcpS) enzyme. 7-methylguanosine triphosphate 17-23 eukaryotic translation initiation factor 4E Homo sapiens 103-146 30801798-5 2019 A pyrene-labeled m7 GTP analogue showed up to eightfold enhanced fluorescence emission upon binding to eukaryotic translation initiation factor 4E (eIF4E) and over 30-fold enhancement upon cleavage by decapping scavenger (DcpS) enzyme. 7-methylguanosine triphosphate 17-23 eukaryotic translation initiation factor 4E Homo sapiens 148-153 30836163-0 2019 eIF4E is a critical regulator of human papillomavirus (HPV)-immortalized cervical epithelial (H8) cell growth induced by nicotine. Nicotine 121-129 eukaryotic translation initiation factor 4E Homo sapiens 0-5 30836163-5 2019 We found that nicotine simultaneously activates AKT/mTOR pathway in HPV-immortalized cervical epithelial (H8) cell line, followed by elevation of 4EBP1/eIF4E axis expression and its translational activity with dose-dependent and time-dependent manners. Nicotine 14-22 eukaryotic translation initiation factor 4E Homo sapiens 152-157 30836163-7 2019 We therefore chose to evaluate whether this effect on eIF4E was involved in nicotine-induced proliferation. Nicotine 76-84 eukaryotic translation initiation factor 4E Homo sapiens 54-59 30836163-9 2019 What is more, eIF4E knockdown inhibits cellular growth and colony formation after nicotine treatment. Nicotine 82-90 eukaryotic translation initiation factor 4E Homo sapiens 14-19 30836163-10 2019 Note as well that eIF4E-specific siRNA could also suppress cell proliferation by decelerating the G0/G1-S transition of H8 cell treated with nicotine. Nicotine 141-149 eukaryotic translation initiation factor 4E Homo sapiens 18-23 30836163-12 2019 Furthermore, phosphorylation of 4EBP1 induced by nicotine has been shown to cause dissociation of 4EBP1/eIF4E and eIF4E may serve as a promising determinant of nicotine activity in vitro. Nicotine 49-57 eukaryotic translation initiation factor 4E Homo sapiens 104-109 30836163-12 2019 Furthermore, phosphorylation of 4EBP1 induced by nicotine has been shown to cause dissociation of 4EBP1/eIF4E and eIF4E may serve as a promising determinant of nicotine activity in vitro. Nicotine 49-57 eukaryotic translation initiation factor 4E Homo sapiens 114-119 30836163-12 2019 Furthermore, phosphorylation of 4EBP1 induced by nicotine has been shown to cause dissociation of 4EBP1/eIF4E and eIF4E may serve as a promising determinant of nicotine activity in vitro. Nicotine 160-168 eukaryotic translation initiation factor 4E Homo sapiens 114-119 30973873-8 2019 Moreover, eukaryotic translation initiation factor 4E (EIF4E)-associated protein 1 (Eap1), a target of rapamycin (TOR)-regulated EIF4E binding protein, physically interacts with Dhh1 after nitrogen starvation and facilitates the translation of Atg1 and Atg13. dhh1 178-182 eukaryotic translation initiation factor 4E Homo sapiens 10-53 30973873-8 2019 Moreover, eukaryotic translation initiation factor 4E (EIF4E)-associated protein 1 (Eap1), a target of rapamycin (TOR)-regulated EIF4E binding protein, physically interacts with Dhh1 after nitrogen starvation and facilitates the translation of Atg1 and Atg13. Nitrogen 189-197 eukaryotic translation initiation factor 4E Homo sapiens 10-53 30677218-9 2019 O-GlcNAcylation of eIF4E at threonine 168 and threonine 177 protected it from degradation through proteasome pathway. Threonine 28-37 eukaryotic translation initiation factor 4E Homo sapiens 19-24 30677218-11 2019 High glucose promoted stem-like cell potential of hepatoma cell through OGT-eIF4E axis. Glucose 5-12 eukaryotic translation initiation factor 4E Homo sapiens 76-81 30739792-2 2019 In this work, we demonstrate that eIF4E inhibition in ovarian cancer can be achieved by ribavirin, a FDA-approved antiviral drug. Ribavirin 88-97 eukaryotic translation initiation factor 4E Homo sapiens 34-39 30739792-4 2019 Mechanistically, ribavirin suppresses Akt/mTOR and eIF4E/p70S6K signaling pathways in ovarian cancer cells. Ribavirin 17-26 eukaryotic translation initiation factor 4E Homo sapiens 51-56 30739792-5 2019 We confirm that eIF4E is the critical molecular target of ribavirin, and furthermore that this is dependent on phosphorylation at S209. Ribavirin 58-67 eukaryotic translation initiation factor 4E Homo sapiens 16-21 30739792-7 2019 Interestingly, the sensitivity to ribavirin varies among a panel of ovarian cancer cell lines, mostly likely due to their differential expression level of eIF4E and dependency to eIF4E inhibition. Ribavirin 34-43 eukaryotic translation initiation factor 4E Homo sapiens 155-160 30739792-7 2019 Interestingly, the sensitivity to ribavirin varies among a panel of ovarian cancer cell lines, mostly likely due to their differential expression level of eIF4E and dependency to eIF4E inhibition. Ribavirin 34-43 eukaryotic translation initiation factor 4E Homo sapiens 179-184 30739792-10 2019 Additionally, ribavirin is a useful addition to ovarian cancer treatment, particularly to those with high dependency on eIF4E. Ribavirin 14-23 eukaryotic translation initiation factor 4E Homo sapiens 120-125 30735900-0 2019 Synthesis of 7-benzylguanosine cap-analogue conjugates for eIF4E targeted degradation. 7-benzylguanosine 13-30 eukaryotic translation initiation factor 4E Homo sapiens 59-64 30552925-0 2019 Eukaryotic Initiation Factor 4E (eIF4E) sequestration mediates 4E-BP1 response to rapamycin. Sirolimus 82-91 eukaryotic translation initiation factor 4E Homo sapiens 0-31 30552925-0 2019 Eukaryotic Initiation Factor 4E (eIF4E) sequestration mediates 4E-BP1 response to rapamycin. Sirolimus 82-91 eukaryotic translation initiation factor 4E Homo sapiens 33-38 30552925-1 2019 The cap dependent translation initiation is a tightly controlled process of cooperative ternary complex formation by 4E-BP1, eIF4E and the 5" cap of eukaryotic mRNA in response to environmental cues like glucose, nutrients and growth factor levels. Glucose 204-211 eukaryotic translation initiation factor 4E Homo sapiens 125-130 30552925-6 2019 The data presented in this study identifies eIF4E and not Raptor as a cellular factor responsible to regulate rapamycin sensitivity of 4E-BP1 suggesting that the phosphorylation dynamics and rapamycin sensitivity of 4E-BP1 and S6K1 are regulated independently. Sirolimus 110-119 eukaryotic translation initiation factor 4E Homo sapiens 44-49 30478448-0 2019 Targeting EIF4E signaling with ribavirin in infant acute lymphoblastic leukemia. Ribavirin 31-40 eukaryotic translation initiation factor 4E Homo sapiens 10-15 30591552-2 2019 In this study, we show that synthetic peptides corresponding to the binding interface between Rbm38 and eIF4E, including an 8 amino acid peptide (Pep8) derived from Rbm38, are effective in relieving Rbm38-mediated repression of p53. amino acid peptide 126-144 eukaryotic translation initiation factor 4E Homo sapiens 104-109 30591552-3 2019 Molecular simulations showed that Ser-6 in Pep8 forms a hydrogen bond with Asp-202 in eIF4E. Serine 34-37 eukaryotic translation initiation factor 4E Homo sapiens 86-91 30591552-3 2019 Molecular simulations showed that Ser-6 in Pep8 forms a hydrogen bond with Asp-202 in eIF4E. Hydrogen 56-64 eukaryotic translation initiation factor 4E Homo sapiens 86-91 30591552-3 2019 Molecular simulations showed that Ser-6 in Pep8 forms a hydrogen bond with Asp-202 in eIF4E. Aspartic Acid 75-78 eukaryotic translation initiation factor 4E Homo sapiens 86-91 30591552-7 2019 SIGNIFICANCE: Disruption of the Rbm38-eIF4E complex via synthetic peptides induces wild-type p53 expression, suppresses tumor growth and progression, and may serve as a novel cancer therapeutic strategy. Peptides 66-74 eukaryotic translation initiation factor 4E Homo sapiens 38-43 30478448-2 2019 Here we discover that EIF4E protein is elevated in most cases of infant ALL and test EIF4E targeting by the repurposed antiviral agent ribavirin, which has anticancer properties through EIF4E inhibition, as a potential treatment. Ribavirin 135-144 eukaryotic translation initiation factor 4E Homo sapiens 22-27 30478448-2 2019 Here we discover that EIF4E protein is elevated in most cases of infant ALL and test EIF4E targeting by the repurposed antiviral agent ribavirin, which has anticancer properties through EIF4E inhibition, as a potential treatment. Ribavirin 135-144 eukaryotic translation initiation factor 4E Homo sapiens 85-90 30478448-2 2019 Here we discover that EIF4E protein is elevated in most cases of infant ALL and test EIF4E targeting by the repurposed antiviral agent ribavirin, which has anticancer properties through EIF4E inhibition, as a potential treatment. Ribavirin 135-144 eukaryotic translation initiation factor 4E Homo sapiens 85-90 30478448-3 2019 We find that ribavirin treatment of actively dividing infant ALL cells on bone marrow stromal cells (BMSCs) at clinically achievable concentrations causes robust proliferation inhibition in proportion with EIF4E expression. Ribavirin 13-22 eukaryotic translation initiation factor 4E Homo sapiens 206-211 30478448-4 2019 Further, we find that ribavirin treatment of KMT2A-rearranged (KMT2A-R) infant ALL cells and the KMT2A-AFF1 cell line RS4:11 inhibits EIF4E, leading to decreases in oncogenic EIF4E-regulated cell growth and survival proteins. Ribavirin 22-31 eukaryotic translation initiation factor 4E Homo sapiens 134-139 30478448-4 2019 Further, we find that ribavirin treatment of KMT2A-rearranged (KMT2A-R) infant ALL cells and the KMT2A-AFF1 cell line RS4:11 inhibits EIF4E, leading to decreases in oncogenic EIF4E-regulated cell growth and survival proteins. Ribavirin 22-31 eukaryotic translation initiation factor 4E Homo sapiens 175-180 30478448-5 2019 In ribavirin-sensitive KMT2A-R infant ALL cells and RS4:11 cells, EIF4E-regulated proteins with reduced levels of expression following ribavirin treatment include MYC, MCL1, NBN, BCL2 and BIRC5. Ribavirin 3-12 eukaryotic translation initiation factor 4E Homo sapiens 66-71 30478448-5 2019 In ribavirin-sensitive KMT2A-R infant ALL cells and RS4:11 cells, EIF4E-regulated proteins with reduced levels of expression following ribavirin treatment include MYC, MCL1, NBN, BCL2 and BIRC5. Ribavirin 135-144 eukaryotic translation initiation factor 4E Homo sapiens 66-71 30478448-6 2019 Ribavirin-treated RS4:11 cells exhibit impaired EIF4E-dependent nuclear to cytoplasmic export and/or translation of the corresponding mRNAs, as well as reduced phosphorylation of the p-AKT1, p-EIF4EBP1, p-RPS6 and p-EIF4E signaling proteins. Ribavirin 0-9 eukaryotic translation initiation factor 4E Homo sapiens 48-53 30478448-6 2019 Ribavirin-treated RS4:11 cells exhibit impaired EIF4E-dependent nuclear to cytoplasmic export and/or translation of the corresponding mRNAs, as well as reduced phosphorylation of the p-AKT1, p-EIF4EBP1, p-RPS6 and p-EIF4E signaling proteins. Ribavirin 0-9 eukaryotic translation initiation factor 4E Homo sapiens 193-198 30478448-8 2019 Ribavirin causes nuclear EIF4E to re-localize to the cytoplasm in KMT2A-AFF1 infant ALL and RS4:11 cells, providing further evidence for EIF4E inhibition. Ribavirin 0-9 eukaryotic translation initiation factor 4E Homo sapiens 25-30 30478448-8 2019 Ribavirin causes nuclear EIF4E to re-localize to the cytoplasm in KMT2A-AFF1 infant ALL and RS4:11 cells, providing further evidence for EIF4E inhibition. Ribavirin 0-9 eukaryotic translation initiation factor 4E Homo sapiens 137-142 30478448-11 2019 This work establishes that EIF4E is broadly elevated across infant ALL and that clinically relevant ribavirin exposures have preclinical activity and effectively inhibit EIF4E in KMT2A-R cases, suggesting promise in EIF4E targeting using ribavirin as a means of treatment. Ribavirin 100-109 eukaryotic translation initiation factor 4E Homo sapiens 170-175 30478448-11 2019 This work establishes that EIF4E is broadly elevated across infant ALL and that clinically relevant ribavirin exposures have preclinical activity and effectively inhibit EIF4E in KMT2A-R cases, suggesting promise in EIF4E targeting using ribavirin as a means of treatment. Ribavirin 100-109 eukaryotic translation initiation factor 4E Homo sapiens 170-175 30478448-11 2019 This work establishes that EIF4E is broadly elevated across infant ALL and that clinically relevant ribavirin exposures have preclinical activity and effectively inhibit EIF4E in KMT2A-R cases, suggesting promise in EIF4E targeting using ribavirin as a means of treatment. Ribavirin 238-247 eukaryotic translation initiation factor 4E Homo sapiens 27-32 30744688-16 2019 Besides catalyzing serine synthesis to activate AKT pathway, PHGDH was found to interact with the translation initiation factors eIF4A1 and eIF4E and facilitated the assembly of the complex eIF4F on 5" mRNA structure to promote the relevant proteins expression. Serine 19-25 eukaryotic translation initiation factor 4E Homo sapiens 190-195 30459229-14 2019 Our work strongly suggests that MNK1-eIF4E signaling drives CIPN and that a drug in human clinical trials, eFT508, may be a new therapeutic for neuropathic pain. benzonaphthyridone 107-113 eukaryotic translation initiation factor 4E Homo sapiens 37-42 30881679-0 2019 Structural insights reveal a recognition feature for tailoring hydrocarbon stapled-peptides against the eukaryotic translation initiation factor 4E protein. Hydrocarbons 63-74 eukaryotic translation initiation factor 4E Homo sapiens 104-147 30881679-2 2019 We have used a structure-guided approach to rationally develop a set of hydrocarbon stapled-peptides with high binding affinities and residence times against the oncogenic eukaryotic translation initiation factor 4E (eIF4E) protein. Hydrocarbons 72-83 eukaryotic translation initiation factor 4E Homo sapiens 172-215 30881679-2 2019 We have used a structure-guided approach to rationally develop a set of hydrocarbon stapled-peptides with high binding affinities and residence times against the oncogenic eukaryotic translation initiation factor 4E (eIF4E) protein. Hydrocarbons 72-83 eukaryotic translation initiation factor 4E Homo sapiens 217-222 30881679-5 2019 The interactions were further exploited by designing features in the peptides to attenuate disorder and increase helicity which collectively resulted in the generation of a distinct class of hydrocarbon stapled-peptides targeting eIF4E. Hydrocarbons 191-202 eukaryotic translation initiation factor 4E Homo sapiens 230-235 30266538-7 2018 Our results demonstrated that dictamnine reduced HIF-1alpha protein synthesis by downregulating the mTOR/p70S6K/eIF4E and MAPK pathways, and reduced the expression of Slug by inhibiting the GSK-3beta/Slug signaling pathway. dictamnine 30-40 eukaryotic translation initiation factor 4E Homo sapiens 112-117 30297804-0 2018 MNK1 inhibitor CGP57380 overcomes mTOR inhibitor-induced activation of eIF4E: the mechanism of synergic killing of human T-ALL cells. CGP 57380 15-23 eukaryotic translation initiation factor 4E Homo sapiens 71-76 30297804-4 2018 We showed that rapamycin and its analog RAD001 (everolimus) exerted only mild inhibition on the viability of Jurkat, CEM and Molt-4 cell lines (for everolimus the maximum inhibition was <40% at 100 nM), but greatly enhanced the phosphorylation of eIF4E, a downstream substrate of MAPK-interacting kinase (MNK) that was involved in promoting cell survival. Sirolimus 15-24 eukaryotic translation initiation factor 4E Homo sapiens 250-255 30297804-6 2018 Then we examined the antileukemia effects of CGP57380, a MNK1 inhibitor, and we found that CGP57380 (4-16 muM) dose-dependently suppressed the expression of both phosphor-MNK1 and phosphor-eIF4E, thereby inhibiting downstream targets such as c-Myc and survivin in T-ALL cells. CGP 57380 91-99 eukaryotic translation initiation factor 4E Homo sapiens 189-194 30297804-7 2018 Importantly, CGP57380 produced a synergistic growth inhibitory effect with everolimus in T-ALL cells, and treatment with this targeted therapy overcame everolimus-induced eIF4E phosphorylation. CGP 57380 13-21 eukaryotic translation initiation factor 4E Homo sapiens 171-176 30297804-7 2018 Importantly, CGP57380 produced a synergistic growth inhibitory effect with everolimus in T-ALL cells, and treatment with this targeted therapy overcame everolimus-induced eIF4E phosphorylation. Everolimus 152-162 eukaryotic translation initiation factor 4E Homo sapiens 171-176 30156372-12 2018 Collectively, this study provides novel insights into sigmaA-modulated suppression of LDHA and activation of IDH3B and GDH to activate the mTORC1/eIF4E/HIF-1alpha pathways to upregulate glycolysis and the TCA cycle for virus replication. Trichloroacetic Acid 205-208 eukaryotic translation initiation factor 4E Homo sapiens 146-151 29702026-2 2018 In the current study, we extend our previous evidence and demonstrate that a mechanism by which dietary BDPP protects against SD-mediated cognitive impairment is via mechanisms that involve phosphorylation of the mammalian target of rapamycin complex 1 and its direct downstream targets, including the eukaryotic translation initiation factor 4E (eIF4E)-binding protein 1 (4E-BP1) and the ribosomal protein S6 kinase beta-1 (p70S6K). bdpp 104-108 eukaryotic translation initiation factor 4E Homo sapiens 302-345 30454696-7 2018 We further showed that ribavirin acted on osteosarcoma largely via targeting eIF4E. Ribavirin 23-32 eukaryotic translation initiation factor 4E Homo sapiens 77-82 30454696-9 2018 Lastly, we found that eIF4E expression and phosphorylation were elevated in osteosarcoma compared to normal cells, which might explain the selective anti-osteosarcoma activity of ribavirin. Ribavirin 179-188 eukaryotic translation initiation factor 4E Homo sapiens 22-27 30454696-10 2018 eIF4E depletion mimics the inhibitory effects of ribavirin, further confirm that eIF4E is the essential target of ribavirin in osteosarcoma. Ribavirin 49-58 eukaryotic translation initiation factor 4E Homo sapiens 0-5 30454696-10 2018 eIF4E depletion mimics the inhibitory effects of ribavirin, further confirm that eIF4E is the essential target of ribavirin in osteosarcoma. Ribavirin 49-58 eukaryotic translation initiation factor 4E Homo sapiens 81-86 30454696-10 2018 eIF4E depletion mimics the inhibitory effects of ribavirin, further confirm that eIF4E is the essential target of ribavirin in osteosarcoma. Ribavirin 114-123 eukaryotic translation initiation factor 4E Homo sapiens 0-5 30454696-10 2018 eIF4E depletion mimics the inhibitory effects of ribavirin, further confirm that eIF4E is the essential target of ribavirin in osteosarcoma. Ribavirin 114-123 eukaryotic translation initiation factor 4E Homo sapiens 81-86 29478426-11 2018 In ovo feeding of Arg also enhanced mammalian target of rapamycin, ribosomal protein S6 kinase-1 and eIF4E-bindingprotein-1 messenger RNA expression levels at hatch compared with those of control groups (P<0.05). Arginine 18-21 eukaryotic translation initiation factor 4E Homo sapiens 101-106 30221473-0 2018 Metformin blocks MYC protein synthesis in colorectal cancer via mTOR-4EBP-eIF4E and MNK1-eIF4G-eIF4E signaling. Metformin 0-9 eukaryotic translation initiation factor 4E Homo sapiens 74-79 30221473-8 2018 Repression of protein synthesis by metformin preferentially affects cell cycle-associated proteins, by altering signaling through the mTOR-4EBP-eIF4E and MNK1-eIF4G-eIF4E axes. Metformin 35-44 eukaryotic translation initiation factor 4E Homo sapiens 144-149 31949552-10 2018 CONCLUSION: We conclude that integrin beta1 mediated 5FU chemo resistance in colorectal cancer could be translationally regulated by eIF4E. Fluorouracil 53-56 eukaryotic translation initiation factor 4E Homo sapiens 133-138 29981794-9 2018 Mechanism of actions studies suggest that sorafenib inhibited viral translation through dephosphorylation of several key proteins, including eIF4E and p70S6K, leading to a reduction in viral protein production and overall viral replication. Sorafenib 42-51 eukaryotic translation initiation factor 4E Homo sapiens 141-146 29959920-3 2018 We show that ribavirin, an anti-viral drug and pharmacological eIF4E inhibitor, effectively inhibits proliferation and decreases viability of paclitaxel-resistant cervical cancer and 5-FU-resistant colon cancer cells while is less toxic to human fibroblast cells. Ribavirin 13-22 eukaryotic translation initiation factor 4E Homo sapiens 63-68 29959920-3 2018 We show that ribavirin, an anti-viral drug and pharmacological eIF4E inhibitor, effectively inhibits proliferation and decreases viability of paclitaxel-resistant cervical cancer and 5-FU-resistant colon cancer cells while is less toxic to human fibroblast cells. Paclitaxel 142-152 eukaryotic translation initiation factor 4E Homo sapiens 63-68 29959920-6 2018 We further confirm that the mechanism of the action of ribavirin in chemoresistant cancer cells is through suppressing eIF4E function. Ribavirin 55-64 eukaryotic translation initiation factor 4E Homo sapiens 119-124 29959920-7 2018 In addition, specific eIF4E knockdown via two independent siRNA mimics the effects of ribavirin in chemoresistant colon and cervical cancer cells. Ribavirin 86-95 eukaryotic translation initiation factor 4E Homo sapiens 22-27 29959920-9 2018 Our work demonstrates that eIF4E inhibition using inhibitor or siRNA, either as single agent or in combination, could sensitize chemoresistant cancer cells to paclitaxel or 5-FU treatment and thereby improving the efficacy of chemodrug. Paclitaxel 159-169 eukaryotic translation initiation factor 4E Homo sapiens 27-32 29959920-9 2018 Our work demonstrates that eIF4E inhibition using inhibitor or siRNA, either as single agent or in combination, could sensitize chemoresistant cancer cells to paclitaxel or 5-FU treatment and thereby improving the efficacy of chemodrug. Fluorouracil 173-177 eukaryotic translation initiation factor 4E Homo sapiens 27-32 30108651-6 2018 Bufadienolides also inhibit the mammalian target of rapamycin (mTOR) signaling pathway, which is evidenced by the data that bufadienolides inhibit type I insulin-like growth factor- (IGF-1-) activated phosphorylation of mTOR by a concentration- and time-dependent way, as well as phosphorylation of p70 S6 kinase 1 (S6K1) and eukaryotic initiation factor 4E (eIF4E) binding protein 1 (4E-BP1). Bufanolides 0-14 eukaryotic translation initiation factor 4E Homo sapiens 326-357 30174840-0 2018 Genetic and pharmacological inhibition of eIF4E effectively targets esophageal cancer cells and augments 5-FU"s efficacy. Fluorouracil 105-109 eukaryotic translation initiation factor 4E Homo sapiens 42-47 30108651-6 2018 Bufadienolides also inhibit the mammalian target of rapamycin (mTOR) signaling pathway, which is evidenced by the data that bufadienolides inhibit type I insulin-like growth factor- (IGF-1-) activated phosphorylation of mTOR by a concentration- and time-dependent way, as well as phosphorylation of p70 S6 kinase 1 (S6K1) and eukaryotic initiation factor 4E (eIF4E) binding protein 1 (4E-BP1). Bufanolides 124-138 eukaryotic translation initiation factor 4E Homo sapiens 326-357 30174840-8 2018 Of note, the sensitivity of esophageal cancer cells to ribavirin or eIF4E knockdown correlates well with the expression levels of eIF4E, demonstrating that esophageal cells with higher eIF4E expression are more sensitive to eIF4E inhibition. Ribavirin 55-64 eukaryotic translation initiation factor 4E Homo sapiens 130-135 30174840-8 2018 Of note, the sensitivity of esophageal cancer cells to ribavirin or eIF4E knockdown correlates well with the expression levels of eIF4E, demonstrating that esophageal cells with higher eIF4E expression are more sensitive to eIF4E inhibition. Ribavirin 55-64 eukaryotic translation initiation factor 4E Homo sapiens 130-135 30174840-8 2018 Of note, the sensitivity of esophageal cancer cells to ribavirin or eIF4E knockdown correlates well with the expression levels of eIF4E, demonstrating that esophageal cells with higher eIF4E expression are more sensitive to eIF4E inhibition. Ribavirin 55-64 eukaryotic translation initiation factor 4E Homo sapiens 130-135 30174840-9 2018 We further confirmed that the mechanism of action of ribavirin on esophageal cancer cells was through suppressing the Akt/mTOR/eIF4E and eIF4E-regulated pathways. Ribavirin 53-62 eukaryotic translation initiation factor 4E Homo sapiens 127-132 30174840-9 2018 We further confirmed that the mechanism of action of ribavirin on esophageal cancer cells was through suppressing the Akt/mTOR/eIF4E and eIF4E-regulated pathways. Ribavirin 53-62 eukaryotic translation initiation factor 4E Homo sapiens 137-142 29538717-9 2018 Sorafenib also inhibited 4E-BP1 phosphorylation, and this effect correlated with decrease of p-eIF4E and total eIF4E. Sorafenib 0-9 eukaryotic translation initiation factor 4E Homo sapiens 95-100 29717265-5 2018 Targeted phosphoproteomics data demonstrate a significant drop in eIF4G1 Ser-1232 phosphorylation following MET targeting, which is linked to an increased affinity between eIF4G1 and eIF4E. Serine 73-76 eukaryotic translation initiation factor 4E Homo sapiens 183-188 29983898-0 2018 Correction: Targeting Hsp27/eIF4E interaction with phenazine compound: a promising alternative for castration-resistant prostate cancer treatment. phenazine 51-60 eukaryotic translation initiation factor 4E Homo sapiens 28-33 29086249-4 2018 We firstly inhibited eIF4E activity by ribavirin in two cell lines (Caki-1 and ACHN) representing RCC metastasis models. Ribavirin 39-48 eukaryotic translation initiation factor 4E Homo sapiens 21-26 29086249-6 2018 We further confirmed that the inhibitory effects of ribavirin were attributed to its ability in inhibiting eIF4E-regulated protein translation and activity. Ribavirin 52-61 eukaryotic translation initiation factor 4E Homo sapiens 107-112 29086249-7 2018 eIF4E inhibition using siRNA knockdown mimicked ribavirin"s effector in RCC cells. Ribavirin 48-57 eukaryotic translation initiation factor 4E Homo sapiens 0-5 29086249-8 2018 Importantly, eIF4E inhibition by both ribavirin and siRNA knockdown significantly sensitized RCC response to chemo- and immunotherapeutic agents in vitro as well as in vivo. Ribavirin 38-47 eukaryotic translation initiation factor 4E Homo sapiens 13-18 29795412-3 2018 Methionine starvation caused the most drastic decrease in translation as assessed by polysome formation, ribosome profiling, and a measure of protein synthesis (puromycin-labeled polypeptides) but had no significant effect on eIF2 phosphorylation, 4EBP1 hyperphosphorylation or 4EBP1 binding to eIF4E. Methionine 0-10 eukaryotic translation initiation factor 4E Homo sapiens 295-300 29795412-4 2018 Leucine starvation suppressed polysome formation and was the only tested condition that caused a significant decrease in 4EBP1 phosphorylation or increase in 4EBP1 binding to eIF4E, but effects of leucine starvation were not replicated by overexpressing nonphosphorylatable 4EBP1. Leucine 0-7 eukaryotic translation initiation factor 4E Homo sapiens 175-180 29538717-9 2018 Sorafenib also inhibited 4E-BP1 phosphorylation, and this effect correlated with decrease of p-eIF4E and total eIF4E. Sorafenib 0-9 eukaryotic translation initiation factor 4E Homo sapiens 111-116 29487419-11 2018 Mass cytometry using mouse and human RMS cell lines validated GSK2126458 specificity at single-cell resolution, decreasing the abundance of phosphorylated Akt as well as decreasing phosphorylation of the downstream mTOR effectors 4ebp1, Eif4e, and S6. omipalisib 62-72 eukaryotic translation initiation factor 4E Homo sapiens 237-242 29850566-12 2018 Rapamycin elicited concentration-dependent reductions in the mRNA (P < 0.05) and protein (P < 0.01) expressions of Smad2 and eIF-4E. Sirolimus 0-9 eukaryotic translation initiation factor 4E Homo sapiens 131-137 29323792-1 2018 VNLG-152 is a novel retinamide (NR) shown to suppress growth and progression of genetically diverse prostate cancer cells via inhibition of androgen receptor signaling and eukaryotic initiation factor 4E (eIF4E) translational machinery. retinamide 20-30 eukaryotic translation initiation factor 4E Homo sapiens 172-203 28322282-9 2018 The cap-dependent translation initiation gene, EIF4E, is one of the most MIA-dysregulated of all ASD-associated genes and targeted network analyses demonstrate prominent MIA-induced transcriptional dysregulation of mTOR and EIF4E-dependent signaling. cap 4-7 eukaryotic translation initiation factor 4E Homo sapiens 47-52 28322282-9 2018 The cap-dependent translation initiation gene, EIF4E, is one of the most MIA-dysregulated of all ASD-associated genes and targeted network analyses demonstrate prominent MIA-induced transcriptional dysregulation of mTOR and EIF4E-dependent signaling. cap 4-7 eukaryotic translation initiation factor 4E Homo sapiens 224-229 29323792-1 2018 VNLG-152 is a novel retinamide (NR) shown to suppress growth and progression of genetically diverse prostate cancer cells via inhibition of androgen receptor signaling and eukaryotic initiation factor 4E (eIF4E) translational machinery. retinamide 20-30 eukaryotic translation initiation factor 4E Homo sapiens 205-210 29112301-0 2018 Ribavirin augments doxorubicin"s efficacy in human hepatocellular carcinoma through inhibiting doxorubicin-induced eIF4E activation. Ribavirin 0-9 eukaryotic translation initiation factor 4E Homo sapiens 115-120 29153483-5 2018 What is known is that, on one side, translation initiation factors, such as eIF4E and eIF6, drive tumor growth and regulate metabolism through selective translation of nucleotide biosynthesis, glycolysis and fatty acid synthesis rate-limiting mRNAs, and on the other, that nutrient levels regulate the translational machinery by inducing full activity of translation factors. Fatty Acids 208-218 eukaryotic translation initiation factor 4E Homo sapiens 76-81 29212818-7 2018 Treatment of NPCs with the cercosporamide, a MAPK-interacting kinases inhibitor, reduced eIF4E phosphorylation and KDM5A protein expression, increased GFAP levels, and enhanced astrocytogenesis. cercosporamide 27-41 eukaryotic translation initiation factor 4E Homo sapiens 89-94 29342273-8 2018 We found that the hypermethylation of cg11037477, located at the promoter of EIF4E, was significantly associated with age at diagnosis and the expression of EIF4E. cg11037477 38-48 eukaryotic translation initiation factor 4E Homo sapiens 77-82 29342273-8 2018 We found that the hypermethylation of cg11037477, located at the promoter of EIF4E, was significantly associated with age at diagnosis and the expression of EIF4E. cg11037477 38-48 eukaryotic translation initiation factor 4E Homo sapiens 157-162 29487714-5 2018 We provide evidence that ribavirin has a significant impact on AT/RT cell growth and increases cell cycle arrest and cell death, potentially through modulation of the eIF4E and/or EZH2 pathways. Ribavirin 25-34 eukaryotic translation initiation factor 4E Homo sapiens 167-172 29112301-0 2018 Ribavirin augments doxorubicin"s efficacy in human hepatocellular carcinoma through inhibiting doxorubicin-induced eIF4E activation. Doxorubicin 19-30 eukaryotic translation initiation factor 4E Homo sapiens 115-120 29112301-0 2018 Ribavirin augments doxorubicin"s efficacy in human hepatocellular carcinoma through inhibiting doxorubicin-induced eIF4E activation. Doxorubicin 95-106 eukaryotic translation initiation factor 4E Homo sapiens 115-120 29112301-2 2018 In this work, we demonstrate that targeting eIF4E by ribavirin sensitizes hepatocellular carcinoma (HCC) cell response to doxorubicin. Ribavirin 53-62 eukaryotic translation initiation factor 4E Homo sapiens 44-49 29112301-2 2018 In this work, we demonstrate that targeting eIF4E by ribavirin sensitizes hepatocellular carcinoma (HCC) cell response to doxorubicin. Doxorubicin 122-133 eukaryotic translation initiation factor 4E Homo sapiens 44-49 29112301-5 2018 Ribavirin suppresses phosphorylation of molecules involved in Akt/mTOR/eIF4E pathway. Ribavirin 0-9 eukaryotic translation initiation factor 4E Homo sapiens 71-76 29112301-6 2018 Overexpression of the phosphomimetic form (S209D) but not the nonphosphorylatable form (S209A) eIF4E significantly reverses the inhibitory effects of ribavirin. Ribavirin 150-159 eukaryotic translation initiation factor 4E Homo sapiens 95-100 28573908-0 2018 The eIF4E inhibitor ribavirin as a potential antilymphoma therapeutic: early clinical data<sup/>. Ribavirin 20-29 eukaryotic translation initiation factor 4E Homo sapiens 4-9 29042487-5 2018 As ATO has been shown to activate the MAPK-interacting kinase 1 (MNK1)-eukaryotic translation initiation factor 4E (eIF4E) pathway and subsequent mRNA translation in a negative regulatory feedback manner, the mechanistic role of ATO resistance in MES GBM was explored. Arsenic Trioxide 3-6 eukaryotic translation initiation factor 4E Homo sapiens 71-114 29042487-5 2018 As ATO has been shown to activate the MAPK-interacting kinase 1 (MNK1)-eukaryotic translation initiation factor 4E (eIF4E) pathway and subsequent mRNA translation in a negative regulatory feedback manner, the mechanistic role of ATO resistance in MES GBM was explored. Arsenic Trioxide 3-6 eukaryotic translation initiation factor 4E Homo sapiens 116-121 29112301-7 2018 Interestingly, doxorubicin significantly increases p-eIF4E(S209) level in a dose- and time-dependent manner, suggesting that doxorubicin induces eIF4E activation in HCC cells. Doxorubicin 15-26 eukaryotic translation initiation factor 4E Homo sapiens 53-58 29112301-7 2018 Interestingly, doxorubicin significantly increases p-eIF4E(S209) level in a dose- and time-dependent manner, suggesting that doxorubicin induces eIF4E activation in HCC cells. Doxorubicin 15-26 eukaryotic translation initiation factor 4E Homo sapiens 145-150 29112301-7 2018 Interestingly, doxorubicin significantly increases p-eIF4E(S209) level in a dose- and time-dependent manner, suggesting that doxorubicin induces eIF4E activation in HCC cells. Doxorubicin 125-136 eukaryotic translation initiation factor 4E Homo sapiens 53-58 29112301-7 2018 Interestingly, doxorubicin significantly increases p-eIF4E(S209) level in a dose- and time-dependent manner, suggesting that doxorubicin induces eIF4E activation in HCC cells. Doxorubicin 125-136 eukaryotic translation initiation factor 4E Homo sapiens 145-150 29112301-8 2018 In addition, eIF4E activation induced by doxorubicin in HCC cells is inhibited by ribavirin. Doxorubicin 41-52 eukaryotic translation initiation factor 4E Homo sapiens 13-18 29112301-8 2018 In addition, eIF4E activation induced by doxorubicin in HCC cells is inhibited by ribavirin. Ribavirin 82-91 eukaryotic translation initiation factor 4E Homo sapiens 13-18 28745319-12 2017 Thus, our results demonstrate that while combinations of AR and mTOR inhibitors were effective in suppressing tumor growth by inhibiting both AR-induced transcription and mTOR-induced cap-dependent translation, pre-treatment with AR antagonists including bicalutamide increased eIF4E phosphorylation that induced resistance to combinations of AR and mTOR inhibitors by inducing cap-independent translation. bicalutamide 255-267 eukaryotic translation initiation factor 4E Homo sapiens 278-283 29049978-2 2017 In this work, we report that ribavirin, a pharmacologic inhibitor of eIF4E function, effectively targets retinoblastoma and angiogenesis. Ribavirin 29-38 eukaryotic translation initiation factor 4E Homo sapiens 69-74 29049978-6 2017 Mechanistically, ribavirin inhibited eIF4E function in retinoblastoma cells as shown by the decreased protein levels of Cyclin D1, c-Myc and VEGF without affecting their mRNA expression. Ribavirin 17-26 eukaryotic translation initiation factor 4E Homo sapiens 37-42 29049978-7 2017 Overexpression of the wildtype and phosphormimetic but not the nonphosphorylatable form of eIF4E significantly abolished the inhibitory effects of ribavirin, further demonstrating eIF4E as the target of ribavirin. Ribavirin 147-156 eukaryotic translation initiation factor 4E Homo sapiens 180-185 29049978-7 2017 Overexpression of the wildtype and phosphormimetic but not the nonphosphorylatable form of eIF4E significantly abolished the inhibitory effects of ribavirin, further demonstrating eIF4E as the target of ribavirin. Ribavirin 203-212 eukaryotic translation initiation factor 4E Homo sapiens 180-185 29049978-8 2017 Genetic knockdown of eIF4E using two independent siRNAs mirrored ribavirin"s effects, confirming the role of eIF4E in retinoblastoma growth, survival and response to chemotherapy. Ribavirin 65-74 eukaryotic translation initiation factor 4E Homo sapiens 21-26 28745319-9 2017 Small interfering RNA-mediated knockdown (k/d) of eIF4E-sensitized CRPC cells to RAD001+bicalutamide, whereas eIF4E overexpression induced resistance. bicalutamide 88-100 eukaryotic translation initiation factor 4E Homo sapiens 50-55 28745319-10 2017 Inhibition of eIF4E phosphorylation by treatment with CGP57380 (an inhibitor of mitogen-activated protein kinase-interacting serine-threonine kinases MAP kinase-interacting kinase 1 (Mnk1/2), the eIF4E upstream kinase) or inhibitors of extracellular signal-regulated kinase 1/2 (ERK1/2), the upstream kinase-regulating Mnk1/2, also sensitized CRPC cells to RAD001+bicalutamide. CGP 57380 54-62 eukaryotic translation initiation factor 4E Homo sapiens 14-19 28745319-10 2017 Inhibition of eIF4E phosphorylation by treatment with CGP57380 (an inhibitor of mitogen-activated protein kinase-interacting serine-threonine kinases MAP kinase-interacting kinase 1 (Mnk1/2), the eIF4E upstream kinase) or inhibitors of extracellular signal-regulated kinase 1/2 (ERK1/2), the upstream kinase-regulating Mnk1/2, also sensitized CRPC cells to RAD001+bicalutamide. CGP 57380 54-62 eukaryotic translation initiation factor 4E Homo sapiens 196-201 28745319-10 2017 Inhibition of eIF4E phosphorylation by treatment with CGP57380 (an inhibitor of mitogen-activated protein kinase-interacting serine-threonine kinases MAP kinase-interacting kinase 1 (Mnk1/2), the eIF4E upstream kinase) or inhibitors of extracellular signal-regulated kinase 1/2 (ERK1/2), the upstream kinase-regulating Mnk1/2, also sensitized CRPC cells to RAD001+bicalutamide. bicalutamide 364-376 eukaryotic translation initiation factor 4E Homo sapiens 14-19 29269484-0 2017 Hyperactive mTOR and MNK1 phosphorylation of eIF4E confer tamoxifen resistance and estrogen independence through selective mRNA translation reprogramming. Tamoxifen 58-67 eukaryotic translation initiation factor 4E Homo sapiens 45-50 29269484-4 2017 Tamoxifen-resistant translational reprogramming is shown to be mediated by increased expression of eIF4E and its increased availability by hyperactive mTOR and to require phosphorylation of eIF4E at Ser209 by increased MNK activity. Tamoxifen 0-9 eukaryotic translation initiation factor 4E Homo sapiens 99-104 29269484-4 2017 Tamoxifen-resistant translational reprogramming is shown to be mediated by increased expression of eIF4E and its increased availability by hyperactive mTOR and to require phosphorylation of eIF4E at Ser209 by increased MNK activity. Tamoxifen 0-9 eukaryotic translation initiation factor 4E Homo sapiens 190-195 29269484-5 2017 Resensitization to tamoxifen is restored only by reducing eIF4E expression or mTOR activity and also blocking MNK1 phosphorylation of eIF4E. Tamoxifen 19-28 eukaryotic translation initiation factor 4E Homo sapiens 58-63 29269484-5 2017 Resensitization to tamoxifen is restored only by reducing eIF4E expression or mTOR activity and also blocking MNK1 phosphorylation of eIF4E. Tamoxifen 19-28 eukaryotic translation initiation factor 4E Homo sapiens 134-139 29269484-8 2017 Tamoxifen-resistant but not tamoxifen-sensitive patient ER+ breast cancer specimens also demonstrate strongly increased MNK phosphorylation of eIF4E. Tamoxifen 0-9 eukaryotic translation initiation factor 4E Homo sapiens 143-148 29269484-9 2017 eIF4E levels, availability, and phosphorylation therefore promote tamoxifen resistance in ER+ breast cancer through selective mRNA translational reprogramming. Tamoxifen 66-75 eukaryotic translation initiation factor 4E Homo sapiens 0-5 29078784-4 2017 RESULTS: Using a tagged-factor protein capture and RNA-sequencing (RNA-seq) approach, we have assessed how mRNA associations with eIF4E, eIF4G1 and eIF4G2 change globally in response to three defined stresses that each cause a rapid attenuation of protein synthesis: oxidative stress induced by hydrogen peroxide and nutrient stresses caused by amino acid or glucose withdrawal. Hydrogen Peroxide 295-312 eukaryotic translation initiation factor 4E Homo sapiens 130-135 29078784-4 2017 RESULTS: Using a tagged-factor protein capture and RNA-sequencing (RNA-seq) approach, we have assessed how mRNA associations with eIF4E, eIF4G1 and eIF4G2 change globally in response to three defined stresses that each cause a rapid attenuation of protein synthesis: oxidative stress induced by hydrogen peroxide and nutrient stresses caused by amino acid or glucose withdrawal. Glucose 359-366 eukaryotic translation initiation factor 4E Homo sapiens 130-135 28589219-0 2017 1H, 13C, and 15N backbone chemical shift assignments of 4E-BP144-87 and 4E-BP144-87 bound to eIF4E. Hydrogen 0-2 eukaryotic translation initiation factor 4E Homo sapiens 93-98 28589219-0 2017 1H, 13C, and 15N backbone chemical shift assignments of 4E-BP144-87 and 4E-BP144-87 bound to eIF4E. 15n 13-16 eukaryotic translation initiation factor 4E Homo sapiens 93-98 28577281-0 2017 Acquired Tamoxifen Resistance in MCF-7 Breast Cancer Cells Requires Hyperactivation of eIF4F-Mediated Translation. Tamoxifen 9-18 eukaryotic translation initiation factor 4E Homo sapiens 87-92 29111978-0 2017 The eukaryotic translation initiation factor eIF4E harnesses hyaluronan production to drive its malignant activity. Hyaluronic Acid 61-71 eukaryotic translation initiation factor 4E Homo sapiens 45-50 29111978-5 2017 eIF4E stimulates production of enzymes that synthesize the building blocks of HA, UDP-Glucuronic acid and UDP-N-Acetyl-Glucosamine, as well as hyaluronic acid synthase which forms the disaccharide chain. Uridine Diphosphate Glucuronic Acid 82-101 eukaryotic translation initiation factor 4E Homo sapiens 0-5 29111978-5 2017 eIF4E stimulates production of enzymes that synthesize the building blocks of HA, UDP-Glucuronic acid and UDP-N-Acetyl-Glucosamine, as well as hyaluronic acid synthase which forms the disaccharide chain. Uridine Diphosphate N-Acetylglucosamine 106-130 eukaryotic translation initiation factor 4E Homo sapiens 0-5 29111978-5 2017 eIF4E stimulates production of enzymes that synthesize the building blocks of HA, UDP-Glucuronic acid and UDP-N-Acetyl-Glucosamine, as well as hyaluronic acid synthase which forms the disaccharide chain. Disaccharides 184-196 eukaryotic translation initiation factor 4E Homo sapiens 0-5 28699129-6 2017 Within changed pathways, three genes were selected for RT-qPCR analyses as key candidates influencing inflammatory responses: CYBA (component of the superoxide-generating Nox2 enzyme), GSK3B (controller of cell responses after toll-like receptor stimulation), and EIF4E (a key factor of the eukaryotic translation initiation factor 4F complex that regulates abundance of other proteins involved in immune functions). Superoxides 149-159 eukaryotic translation initiation factor 4E Homo sapiens 264-269 29100389-0 2017 Targeting Hsp27/eIF4E interaction with phenazine compound: a promising alternative for castration-resistant prostate cancer treatment. phenazine 39-48 eukaryotic translation initiation factor 4E Homo sapiens 16-21 29100389-8 2017 In order to find a potential inhibitor of Hsp27/eIF4E interaction, BRET assays in combination with molecular simulations identified the phenazine derivative 14 as the compound able to efficiently interfere with this protein/protein interaction, thereby inhibiting cell viability and increasing cell death in chemo- and castration-resistant prostate cancer models in vitro and in vivo. phenazine 136-145 eukaryotic translation initiation factor 4E Homo sapiens 48-53 28577281-6 2017 Here, we show that the eIF4F translation pathway was hyperactive in tamoxifen-resistant (TamR) MCF-7L breast cancer cells. Tamoxifen 68-77 eukaryotic translation initiation factor 4E Homo sapiens 23-28 28577281-8 2017 Targeting the eIF4E subunit of the eIF4F complex through its degradation using an antisense oligonucleotide (ASO) or via sequestration using a mutant 4E-BP1 inhibited the proliferation and colony formation of TamR cells and partially restored sensitivity to tamoxifen. Oligonucleotides 92-107 eukaryotic translation initiation factor 4E Homo sapiens 14-19 28577281-8 2017 Targeting the eIF4E subunit of the eIF4F complex through its degradation using an antisense oligonucleotide (ASO) or via sequestration using a mutant 4E-BP1 inhibited the proliferation and colony formation of TamR cells and partially restored sensitivity to tamoxifen. Oligonucleotides 92-107 eukaryotic translation initiation factor 4E Homo sapiens 35-40 28577281-8 2017 Targeting the eIF4E subunit of the eIF4F complex through its degradation using an antisense oligonucleotide (ASO) or via sequestration using a mutant 4E-BP1 inhibited the proliferation and colony formation of TamR cells and partially restored sensitivity to tamoxifen. Oligonucleotides, Antisense 109-112 eukaryotic translation initiation factor 4E Homo sapiens 14-19 28577281-8 2017 Targeting the eIF4E subunit of the eIF4F complex through its degradation using an antisense oligonucleotide (ASO) or via sequestration using a mutant 4E-BP1 inhibited the proliferation and colony formation of TamR cells and partially restored sensitivity to tamoxifen. Oligonucleotides, Antisense 109-112 eukaryotic translation initiation factor 4E Homo sapiens 35-40 28577281-8 2017 Targeting the eIF4E subunit of the eIF4F complex through its degradation using an antisense oligonucleotide (ASO) or via sequestration using a mutant 4E-BP1 inhibited the proliferation and colony formation of TamR cells and partially restored sensitivity to tamoxifen. Tamoxifen 258-267 eukaryotic translation initiation factor 4E Homo sapiens 14-19 28577281-8 2017 Targeting the eIF4E subunit of the eIF4F complex through its degradation using an antisense oligonucleotide (ASO) or via sequestration using a mutant 4E-BP1 inhibited the proliferation and colony formation of TamR cells and partially restored sensitivity to tamoxifen. Tamoxifen 258-267 eukaryotic translation initiation factor 4E Homo sapiens 35-40 28577281-11 2017 These results highlight the eIF4F complex as a promising target for patients with acquired resistance to tamoxifen and, potentially, other endocrine therapies. Tamoxifen 105-114 eukaryotic translation initiation factor 4E Homo sapiens 28-33 28468879-9 2017 The low dependence on eIF4E suggests that viral mRNAs may engage yet-unknown noncanonical host factors for a cap-dependent initiation mechanism.IMPORTANCE Several members of the Arenaviridae family cause serious hemorrhagic fevers in humans. cap 109-112 eukaryotic translation initiation factor 4E Homo sapiens 22-27 28698298-1 2017 The eIF4E homologous protein (4EHP) is thought to repress translation by competing with eIF4E for binding to the 5" cap structure of specific mRNAs to which it is recruited through interactions with various proteins, including the GRB10-interacting GYF (glycine-tyrosine-phenylalanine domain) proteins 1 and 2 (GIGYF1/2). Glycine 254-261 eukaryotic translation initiation factor 4E Homo sapiens 4-9 28698298-1 2017 The eIF4E homologous protein (4EHP) is thought to repress translation by competing with eIF4E for binding to the 5" cap structure of specific mRNAs to which it is recruited through interactions with various proteins, including the GRB10-interacting GYF (glycine-tyrosine-phenylalanine domain) proteins 1 and 2 (GIGYF1/2). Glycine 254-261 eukaryotic translation initiation factor 4E Homo sapiens 88-93 28698298-1 2017 The eIF4E homologous protein (4EHP) is thought to repress translation by competing with eIF4E for binding to the 5" cap structure of specific mRNAs to which it is recruited through interactions with various proteins, including the GRB10-interacting GYF (glycine-tyrosine-phenylalanine domain) proteins 1 and 2 (GIGYF1/2). Tyrosine 262-270 eukaryotic translation initiation factor 4E Homo sapiens 4-9 28698298-1 2017 The eIF4E homologous protein (4EHP) is thought to repress translation by competing with eIF4E for binding to the 5" cap structure of specific mRNAs to which it is recruited through interactions with various proteins, including the GRB10-interacting GYF (glycine-tyrosine-phenylalanine domain) proteins 1 and 2 (GIGYF1/2). Tyrosine 262-270 eukaryotic translation initiation factor 4E Homo sapiens 88-93 28698298-1 2017 The eIF4E homologous protein (4EHP) is thought to repress translation by competing with eIF4E for binding to the 5" cap structure of specific mRNAs to which it is recruited through interactions with various proteins, including the GRB10-interacting GYF (glycine-tyrosine-phenylalanine domain) proteins 1 and 2 (GIGYF1/2). Phenylalanine 271-284 eukaryotic translation initiation factor 4E Homo sapiens 4-9 28698298-1 2017 The eIF4E homologous protein (4EHP) is thought to repress translation by competing with eIF4E for binding to the 5" cap structure of specific mRNAs to which it is recruited through interactions with various proteins, including the GRB10-interacting GYF (glycine-tyrosine-phenylalanine domain) proteins 1 and 2 (GIGYF1/2). Phenylalanine 271-284 eukaryotic translation initiation factor 4E Homo sapiens 88-93 27145354-4 2017 UV crosslinking, followed by gel retardation assays, indicated that Ma5TE interacts in vitro with the complex formed by eIF4E + eIF4G980-1159 (eIF4Fp20 ), but not with each subunit alone or with eIF4E + eIF4G1003-1092 , suggesting binding either through interaction with eIF4E following a conformational change induced by its binding to eIF4G980-1159 , or through a double interaction with eIF4E and eIF4G980-1159 . ma5te 68-73 eukaryotic translation initiation factor 4E Homo sapiens 120-125 27145354-4 2017 UV crosslinking, followed by gel retardation assays, indicated that Ma5TE interacts in vitro with the complex formed by eIF4E + eIF4G980-1159 (eIF4Fp20 ), but not with each subunit alone or with eIF4E + eIF4G1003-1092 , suggesting binding either through interaction with eIF4E following a conformational change induced by its binding to eIF4G980-1159 , or through a double interaction with eIF4E and eIF4G980-1159 . ma5te 68-73 eukaryotic translation initiation factor 4E Homo sapiens 195-200 27145354-4 2017 UV crosslinking, followed by gel retardation assays, indicated that Ma5TE interacts in vitro with the complex formed by eIF4E + eIF4G980-1159 (eIF4Fp20 ), but not with each subunit alone or with eIF4E + eIF4G1003-1092 , suggesting binding either through interaction with eIF4E following a conformational change induced by its binding to eIF4G980-1159 , or through a double interaction with eIF4E and eIF4G980-1159 . ma5te 68-73 eukaryotic translation initiation factor 4E Homo sapiens 195-200 27145354-4 2017 UV crosslinking, followed by gel retardation assays, indicated that Ma5TE interacts in vitro with the complex formed by eIF4E + eIF4G980-1159 (eIF4Fp20 ), but not with each subunit alone or with eIF4E + eIF4G1003-1092 , suggesting binding either through interaction with eIF4E following a conformational change induced by its binding to eIF4G980-1159 , or through a double interaction with eIF4E and eIF4G980-1159 . ma5te 68-73 eukaryotic translation initiation factor 4E Homo sapiens 195-200 27145354-5 2017 Critical residues for this interaction reside in an internal bulge of Ma5TE, so that their mutation abolished binding to eIF4E + eIF4G1003-1092 and cap-independent translation. ma5te 70-75 eukaryotic translation initiation factor 4E Homo sapiens 121-126 27145354-6 2017 We also developed an in vivo system to test the effect of mutations in eIF4E in Ma5TE-driven cap-independent translation, showing that conserved amino acids in a positively charged RNA-binding motif around amino acid position 228, implicated in eIF4E-eIF4G binding or belonging to the cap-recognition pocket, are essential for cap-independent translation controlled by Ma5TE, and thus for the multiplication of MNSV. ma5te 80-85 eukaryotic translation initiation factor 4E Homo sapiens 71-76 27145354-6 2017 We also developed an in vivo system to test the effect of mutations in eIF4E in Ma5TE-driven cap-independent translation, showing that conserved amino acids in a positively charged RNA-binding motif around amino acid position 228, implicated in eIF4E-eIF4G binding or belonging to the cap-recognition pocket, are essential for cap-independent translation controlled by Ma5TE, and thus for the multiplication of MNSV. ma5te 80-85 eukaryotic translation initiation factor 4E Homo sapiens 245-250 27145354-6 2017 We also developed an in vivo system to test the effect of mutations in eIF4E in Ma5TE-driven cap-independent translation, showing that conserved amino acids in a positively charged RNA-binding motif around amino acid position 228, implicated in eIF4E-eIF4G binding or belonging to the cap-recognition pocket, are essential for cap-independent translation controlled by Ma5TE, and thus for the multiplication of MNSV. ma5te 369-374 eukaryotic translation initiation factor 4E Homo sapiens 71-76 27145354-6 2017 We also developed an in vivo system to test the effect of mutations in eIF4E in Ma5TE-driven cap-independent translation, showing that conserved amino acids in a positively charged RNA-binding motif around amino acid position 228, implicated in eIF4E-eIF4G binding or belonging to the cap-recognition pocket, are essential for cap-independent translation controlled by Ma5TE, and thus for the multiplication of MNSV. ma5te 369-374 eukaryotic translation initiation factor 4E Homo sapiens 245-250 28656063-2 2017 The MAP kinase interacting serine/threonine kinase (MNK)-eukaryotic translation initiation factor 4E (eIF4E) axis has been reported to activate Wnt/beta-catenin signaling, and CGP57380, an inhibitor of MNK kinases, inhibits the proliferation of multiple cancers. CGP 57380 176-184 eukaryotic translation initiation factor 4E Homo sapiens 102-107 28447756-9 2017 The mRNA expression levels of PCNA and eIF4E were significantly lower in the 240 mg/l matrine-treated group compared with the control. matrine 86-93 eukaryotic translation initiation factor 4E Homo sapiens 39-44 27941882-3 2017 Ribavirin, the only clinically approved drug known to target eIF4E, is an anti-viral molecule currently used in hepatitis C treatment. Ribavirin 0-9 eukaryotic translation initiation factor 4E Homo sapiens 61-66 27941882-6 2017 Our work showed that ribavirin inhibits glioma cell growth and migration, and increases cell cycle arrest and cell death, potentially through modulation of the eIF4E, EZH2 and ERK pathways. Ribavirin 21-30 eukaryotic translation initiation factor 4E Homo sapiens 160-165 28487484-3 2017 Here we show that the cap-binding eIF4E-homologous protein 4EHP is an integral component of the miRNA-mediated silencing machinery. cap 22-25 eukaryotic translation initiation factor 4E Homo sapiens 34-39 27986751-7 2017 Marked reduction in eIF4E and eIF5 expression was seen post BEZ235/everolimus, with extended survival.Conclusions: Translational initiation pathway inhibition could be of clinical utility in MBC patients overexpressing eIF4E and eIF5. dactolisib 60-66 eukaryotic translation initiation factor 4E Homo sapiens 20-25 27986751-7 2017 Marked reduction in eIF4E and eIF5 expression was seen post BEZ235/everolimus, with extended survival.Conclusions: Translational initiation pathway inhibition could be of clinical utility in MBC patients overexpressing eIF4E and eIF5. dactolisib 60-66 eukaryotic translation initiation factor 4E Homo sapiens 219-224 27986751-7 2017 Marked reduction in eIF4E and eIF5 expression was seen post BEZ235/everolimus, with extended survival.Conclusions: Translational initiation pathway inhibition could be of clinical utility in MBC patients overexpressing eIF4E and eIF5. Everolimus 67-77 eukaryotic translation initiation factor 4E Homo sapiens 20-25 28042932-7 2017 Photo-cross-linking of the resulting modified mRNAs with the cap interacting protein eIF4E was successful with aryl azide and diazirine but not benzophenone, reflecting the affinity of the modified 5" caps. aryl azide 111-121 eukaryotic translation initiation factor 4E Homo sapiens 85-90 28042932-7 2017 Photo-cross-linking of the resulting modified mRNAs with the cap interacting protein eIF4E was successful with aryl azide and diazirine but not benzophenone, reflecting the affinity of the modified 5" caps. Diazomethane 126-135 eukaryotic translation initiation factor 4E Homo sapiens 85-90 28042932-7 2017 Photo-cross-linking of the resulting modified mRNAs with the cap interacting protein eIF4E was successful with aryl azide and diazirine but not benzophenone, reflecting the affinity of the modified 5" caps. benzophenone 144-156 eukaryotic translation initiation factor 4E Homo sapiens 85-90 28447756-11 2017 Treatment with 240 mg/l matrine reduced the protein expression levels of PCNA and eIF4E. matrine 24-31 eukaryotic translation initiation factor 4E Homo sapiens 82-87 28539821-1 2017 Objectives: 4E-BP1 is a family member of eIF4E binding proteins (4E-BPs) which act as the suppressors of cap-dependent translation of RNA via competitively associating with cap-bound eIF4E. cap 105-108 eukaryotic translation initiation factor 4E Homo sapiens 41-46 28539821-1 2017 Objectives: 4E-BP1 is a family member of eIF4E binding proteins (4E-BPs) which act as the suppressors of cap-dependent translation of RNA via competitively associating with cap-bound eIF4E. cap 105-108 eukaryotic translation initiation factor 4E Homo sapiens 183-188 28364098-9 2017 Delphinidin inhibited the expression of proteins in mTOR signaling pathway, including AKT, mTOR, eIF4E and p70s6k. delphinidin 0-11 eukaryotic translation initiation factor 4E Homo sapiens 97-102 28386346-5 2017 Upregulation of phosphorylated eIF4E (p-eIF4E) levels has also been shown in cisplatin-resistant HeLa cells and has been observed to be a common response of cervical cancer patients undergoing chemotherapy. Cisplatin 77-86 eukaryotic translation initiation factor 4E Homo sapiens 31-36 28095120-4 2017 We found that the bent structure of PABP/poly(A) complex is required for PABP"s efficient interaction with eIF4G and eIF4G/eIF4E complex. Poly A 41-48 eukaryotic translation initiation factor 4E Homo sapiens 123-128 28095120-6 2017 These results suggest that the bent conformation of PABP, which is induced by the interaction with 3" poly(A) tail, mediates poly(A)-dependent translation by facilitating the interaction with eIF4G and the eIF4G/eIF4E complex. Poly A 102-109 eukaryotic translation initiation factor 4E Homo sapiens 212-217 28095120-7 2017 The preferential binding of the eIF4G/eIF4E complex to the bent PABP/poly(A) complex seems to be a mechanism discriminating the mRNA-bound PABPs participating in translation from the idling mRNA-unbound PABPs. Poly A 69-76 eukaryotic translation initiation factor 4E Homo sapiens 38-43 27785922-4 2017 Mechanistically, cisplatin increases eIF4E phosphorylation in a dose- and time-dependent manner in ATC cells. Cisplatin 17-26 eukaryotic translation initiation factor 4E Homo sapiens 37-42 27785922-5 2017 Mnk inhibitors sensitize the efficacy of cisplatin by inhibiting cisplatin-induced eIF4E phosphorylation. Cisplatin 41-50 eukaryotic translation initiation factor 4E Homo sapiens 83-88 27785922-5 2017 Mnk inhibitors sensitize the efficacy of cisplatin by inhibiting cisplatin-induced eIF4E phosphorylation. Cisplatin 65-74 eukaryotic translation initiation factor 4E Homo sapiens 83-88 28386346-5 2017 Upregulation of phosphorylated eIF4E (p-eIF4E) levels has also been shown in cisplatin-resistant HeLa cells and has been observed to be a common response of cervical cancer patients undergoing chemotherapy. Cisplatin 77-86 eukaryotic translation initiation factor 4E Homo sapiens 40-45 28386346-7 2017 Inhibiting eIF4E via siRNA knockdown or Wnt/beta-catenin using the Wnt inhibitor pyrvinium effectively enhanced the anti-proliferative and pro-apoptotic effects of cisplatin in cervical cancer cells both in vitro and in vivo. pyrvinium 81-90 eukaryotic translation initiation factor 4E Homo sapiens 11-16 28386346-7 2017 Inhibiting eIF4E via siRNA knockdown or Wnt/beta-catenin using the Wnt inhibitor pyrvinium effectively enhanced the anti-proliferative and pro-apoptotic effects of cisplatin in cervical cancer cells both in vitro and in vivo. Cisplatin 164-173 eukaryotic translation initiation factor 4E Homo sapiens 11-16 27879264-1 2017 Small molecules and antisense oligonucleotides that inhibit the translation initiation factors eIF4A1 and eIF4E have been explored as broad-based therapeutic agents for cancer treatment, based on the frequent upregulation of these two subunits of the eIF4F cap-binding complex in many cancer cells. Oligonucleotides 30-46 eukaryotic translation initiation factor 4E Homo sapiens 106-111 27879264-1 2017 Small molecules and antisense oligonucleotides that inhibit the translation initiation factors eIF4A1 and eIF4E have been explored as broad-based therapeutic agents for cancer treatment, based on the frequent upregulation of these two subunits of the eIF4F cap-binding complex in many cancer cells. Oligonucleotides 30-46 eukaryotic translation initiation factor 4E Homo sapiens 251-256 27900644-3 2017 Deregulation of eukaryotic translation initiation factor 4E (eIF4E) by MAP kinase-interacting kinases (Mnk) on Ser-209 directly or PI3K/mTOR/S6K pathway indirectly has a critical effect on promoting cellular proliferation, malignant transformation and metastasis. Serine 111-114 eukaryotic translation initiation factor 4E Homo sapiens 16-59 27900644-3 2017 Deregulation of eukaryotic translation initiation factor 4E (eIF4E) by MAP kinase-interacting kinases (Mnk) on Ser-209 directly or PI3K/mTOR/S6K pathway indirectly has a critical effect on promoting cellular proliferation, malignant transformation and metastasis. Serine 111-114 eukaryotic translation initiation factor 4E Homo sapiens 61-66 27932243-0 2017 Inhibition of mTOR/eIF4E by anti-viral drug ribavirin effectively enhances the effects of paclitaxel in oral tongue squamous cell carcinoma. Ribavirin 44-53 eukaryotic translation initiation factor 4E Homo sapiens 19-24 27932243-0 2017 Inhibition of mTOR/eIF4E by anti-viral drug ribavirin effectively enhances the effects of paclitaxel in oral tongue squamous cell carcinoma. Paclitaxel 90-100 eukaryotic translation initiation factor 4E Homo sapiens 19-24 27932243-3 2017 In this work, we show that ribavirin, an anti-viral drug, effectively augments sensitivity of OTSCC cells to paclitaxel via inhibiting mTOR/eIF4E signaling pathway. Ribavirin 27-36 eukaryotic translation initiation factor 4E Homo sapiens 140-145 27932243-3 2017 In this work, we show that ribavirin, an anti-viral drug, effectively augments sensitivity of OTSCC cells to paclitaxel via inhibiting mTOR/eIF4E signaling pathway. Paclitaxel 109-119 eukaryotic translation initiation factor 4E Homo sapiens 140-145 27932243-7 2017 Mechanistically, ribavirin significantly decreases mTOR/eIF4E signaling pathway in OTSCC cells via suppressing phosphorylation of Akt, mTOR, 4EBP1 and eIF4E. Ribavirin 17-26 eukaryotic translation initiation factor 4E Homo sapiens 56-61 27932243-7 2017 Mechanistically, ribavirin significantly decreases mTOR/eIF4E signaling pathway in OTSCC cells via suppressing phosphorylation of Akt, mTOR, 4EBP1 and eIF4E. Ribavirin 17-26 eukaryotic translation initiation factor 4E Homo sapiens 151-156 27932243-8 2017 Overexpression of the phosphor-mimetic form of eIF4E (eIF4E S209D) but not the nonphosphorylatable form (eIF4E S209A) reverses the effects of ribavirin, confirming that eIF4E inhibition is the mechanism of action of ribavirin in OTSCC cells. Ribavirin 142-151 eukaryotic translation initiation factor 4E Homo sapiens 47-52 27932243-8 2017 Overexpression of the phosphor-mimetic form of eIF4E (eIF4E S209D) but not the nonphosphorylatable form (eIF4E S209A) reverses the effects of ribavirin, confirming that eIF4E inhibition is the mechanism of action of ribavirin in OTSCC cells. Ribavirin 142-151 eukaryotic translation initiation factor 4E Homo sapiens 54-59 27932243-8 2017 Overexpression of the phosphor-mimetic form of eIF4E (eIF4E S209D) but not the nonphosphorylatable form (eIF4E S209A) reverses the effects of ribavirin, confirming that eIF4E inhibition is the mechanism of action of ribavirin in OTSCC cells. Ribavirin 142-151 eukaryotic translation initiation factor 4E Homo sapiens 54-59 27932243-8 2017 Overexpression of the phosphor-mimetic form of eIF4E (eIF4E S209D) but not the nonphosphorylatable form (eIF4E S209A) reverses the effects of ribavirin, confirming that eIF4E inhibition is the mechanism of action of ribavirin in OTSCC cells. Ribavirin 142-151 eukaryotic translation initiation factor 4E Homo sapiens 54-59 27932243-8 2017 Overexpression of the phosphor-mimetic form of eIF4E (eIF4E S209D) but not the nonphosphorylatable form (eIF4E S209A) reverses the effects of ribavirin, confirming that eIF4E inhibition is the mechanism of action of ribavirin in OTSCC cells. Ribavirin 216-225 eukaryotic translation initiation factor 4E Homo sapiens 47-52 27932243-8 2017 Overexpression of the phosphor-mimetic form of eIF4E (eIF4E S209D) but not the nonphosphorylatable form (eIF4E S209A) reverses the effects of ribavirin, confirming that eIF4E inhibition is the mechanism of action of ribavirin in OTSCC cells. Ribavirin 216-225 eukaryotic translation initiation factor 4E Homo sapiens 54-59 27932243-8 2017 Overexpression of the phosphor-mimetic form of eIF4E (eIF4E S209D) but not the nonphosphorylatable form (eIF4E S209A) reverses the effects of ribavirin, confirming that eIF4E inhibition is the mechanism of action of ribavirin in OTSCC cells. Ribavirin 216-225 eukaryotic translation initiation factor 4E Homo sapiens 54-59 27932243-8 2017 Overexpression of the phosphor-mimetic form of eIF4E (eIF4E S209D) but not the nonphosphorylatable form (eIF4E S209A) reverses the effects of ribavirin, confirming that eIF4E inhibition is the mechanism of action of ribavirin in OTSCC cells. Ribavirin 216-225 eukaryotic translation initiation factor 4E Homo sapiens 54-59 27932243-9 2017 In addition, eIF4E depletion significantly enhances the anti-proliferative and pro-apoptotic effects of paclitaxel, demonstrating the critical role of eIF4E in OTSCC cell response to paclitaxel. Paclitaxel 104-114 eukaryotic translation initiation factor 4E Homo sapiens 13-18 27932243-9 2017 In addition, eIF4E depletion significantly enhances the anti-proliferative and pro-apoptotic effects of paclitaxel, demonstrating the critical role of eIF4E in OTSCC cell response to paclitaxel. Paclitaxel 104-114 eukaryotic translation initiation factor 4E Homo sapiens 151-156 27932243-9 2017 In addition, eIF4E depletion significantly enhances the anti-proliferative and pro-apoptotic effects of paclitaxel, demonstrating the critical role of eIF4E in OTSCC cell response to paclitaxel. Paclitaxel 183-193 eukaryotic translation initiation factor 4E Homo sapiens 13-18 27932243-9 2017 In addition, eIF4E depletion significantly enhances the anti-proliferative and pro-apoptotic effects of paclitaxel, demonstrating the critical role of eIF4E in OTSCC cell response to paclitaxel. Paclitaxel 183-193 eukaryotic translation initiation factor 4E Homo sapiens 151-156 27926520-4 2017 We showed that eIF4E is highly phosphorylated at serine 209 in breast cancer patients in response to chemotherapy, which significantly correlated with poorer clinical responses and outcomes. Serine 49-55 eukaryotic translation initiation factor 4E Homo sapiens 15-20 32263549-0 2017 Upconversion nanoparticles loaded with eIF4E siRNA and platinum(iv) prodrug to sensitize platinum based chemotherapy for laryngeal cancer and bioimaging. Platinum 89-97 eukaryotic translation initiation factor 4E Homo sapiens 39-44 27662474-0 2016 Inhibition of eukaryotic initiation factor 4E phosphorylation by cercosporamide selectively suppresses angiogenesis, growth and survival of human hepatocellular carcinoma. cercosporamide 65-79 eukaryotic translation initiation factor 4E Homo sapiens 14-45 27916520-0 2017 Water-Bridge Mediates Recognition of mRNA Cap in eIF4E. Water 0-5 eukaryotic translation initiation factor 4E Homo sapiens 49-54 27840955-0 2017 miR-141 regulation of EIF4E expression affects docetaxel chemoresistance of non-small cell lung cancer. Docetaxel 47-56 eukaryotic translation initiation factor 4E Homo sapiens 22-27 27840955-1 2017 The present study investigated the role of miR-141 regulation of eukaryotic initiation factor-4E (EIF4E) expression in docetaxel chemoresistance of human non-small cell lung cancer (NSCLC). Docetaxel 119-128 eukaryotic translation initiation factor 4E Homo sapiens 65-96 27840955-1 2017 The present study investigated the role of miR-141 regulation of eukaryotic initiation factor-4E (EIF4E) expression in docetaxel chemoresistance of human non-small cell lung cancer (NSCLC). Docetaxel 119-128 eukaryotic translation initiation factor 4E Homo sapiens 98-103 27840955-3 2017 The expression of EIF4E in docetaxel chemoresistant patients with NSCLCs was markedly lower than those of non-docetaxel chemoresistant patients with NSCLCs. Docetaxel 27-36 eukaryotic translation initiation factor 4E Homo sapiens 18-23 27840955-3 2017 The expression of EIF4E in docetaxel chemoresistant patients with NSCLCs was markedly lower than those of non-docetaxel chemoresistant patients with NSCLCs. Docetaxel 110-119 eukaryotic translation initiation factor 4E Homo sapiens 18-23 27840955-8 2017 Thus, the present study is the first to show the induction of miR-141/EIF4E expression in an acquired model of docetaxel chemoresistant patients with NSCLCs. Docetaxel 111-120 eukaryotic translation initiation factor 4E Homo sapiens 70-75 27840964-0 2017 miR-503 inhibits proliferation making human hepatocellular carcinoma cells susceptible to 5-fluorouracil by targeting EIF4E. Fluorouracil 90-104 eukaryotic translation initiation factor 4E Homo sapiens 118-123 27836976-9 2016 Finally, pharmacological protection of CA1 ischemic neurons with cycloheximide decreased the formation of SGs and restored eIF4E and eIF4B levels in CA1. Cycloheximide 65-78 eukaryotic translation initiation factor 4E Homo sapiens 123-128 27662474-6 2016 Cercosporamide blocked the phosphorylation of eIF4E but not Erk or p38 in a dose- and time-dependent manner in HCC and HCC-EC cells, suggesting that suppression of eIF4E phosphorylation was the result of inhibition of Mnk but not Mnk upstream pathways. cercosporamide 0-14 eukaryotic translation initiation factor 4E Homo sapiens 46-51 27662474-6 2016 Cercosporamide blocked the phosphorylation of eIF4E but not Erk or p38 in a dose- and time-dependent manner in HCC and HCC-EC cells, suggesting that suppression of eIF4E phosphorylation was the result of inhibition of Mnk but not Mnk upstream pathways. cercosporamide 0-14 eukaryotic translation initiation factor 4E Homo sapiens 164-169 27662474-7 2016 Overexpression of constitutively active eIF4E (S209D) but not the nonphosphorylatable eIF4E (S209A) abolished the inhibitory effects of cercosporamide in HepG2 cells. cercosporamide 136-150 eukaryotic translation initiation factor 4E Homo sapiens 40-45 27662474-8 2016 Altogether, our work demonstrates that cercosporamide acts as a Mnk inhibitor through blockage of eIF4E phosphorylation and selectively exhibits anti-HCC activities. cercosporamide 39-53 eukaryotic translation initiation factor 4E Homo sapiens 98-103 27592390-4 2016 We have used two approaches to design cap-binding inhibitors of eIF4E by modifying the N7-substituent of m7GMP and replacing the phosphate group with isosteres such as squaramides, sulfonamides, and tetrazoles, as well as by structure-based virtual screening aimed at identifying non-nucleotide cap-binding antagonists. m(7)GMP 105-110 eukaryotic translation initiation factor 4E Homo sapiens 64-69 27592390-4 2016 We have used two approaches to design cap-binding inhibitors of eIF4E by modifying the N7-substituent of m7GMP and replacing the phosphate group with isosteres such as squaramides, sulfonamides, and tetrazoles, as well as by structure-based virtual screening aimed at identifying non-nucleotide cap-binding antagonists. Phosphates 129-138 eukaryotic translation initiation factor 4E Homo sapiens 64-69 27592390-4 2016 We have used two approaches to design cap-binding inhibitors of eIF4E by modifying the N7-substituent of m7GMP and replacing the phosphate group with isosteres such as squaramides, sulfonamides, and tetrazoles, as well as by structure-based virtual screening aimed at identifying non-nucleotide cap-binding antagonists. squaramide 168-179 eukaryotic translation initiation factor 4E Homo sapiens 64-69 27592390-4 2016 We have used two approaches to design cap-binding inhibitors of eIF4E by modifying the N7-substituent of m7GMP and replacing the phosphate group with isosteres such as squaramides, sulfonamides, and tetrazoles, as well as by structure-based virtual screening aimed at identifying non-nucleotide cap-binding antagonists. Tetrazoles 199-209 eukaryotic translation initiation factor 4E Homo sapiens 64-69 27588477-0 2016 eIF4E promotes tumorigenesis and modulates chemosensitivity to cisplatin in esophageal squamous cell carcinoma. Cisplatin 63-72 eukaryotic translation initiation factor 4E Homo sapiens 0-5 27588477-3 2016 We hypothesized that eIF4E promoted ESCC tumorigenesis and facilitated the development of acquired resistance to the cisplatin-based chemotherapy. Cisplatin 117-126 eukaryotic translation initiation factor 4E Homo sapiens 21-26 27588477-7 2016 Overexpression of eIF4E decreased the efficacy of cisplatin-induced cell growth inhibition in ESCC cell line and xenograft model (P < 0.05). Cisplatin 50-59 eukaryotic translation initiation factor 4E Homo sapiens 18-23 27588477-8 2016 eIF4E knockdown by shRNA increased cisplatin-induced cytotoxicity in ESCC cell lines, and enhanced chemosensitivity to cisplatin in xenograft tumor models. Cisplatin 35-44 eukaryotic translation initiation factor 4E Homo sapiens 0-5 27588477-8 2016 eIF4E knockdown by shRNA increased cisplatin-induced cytotoxicity in ESCC cell lines, and enhanced chemosensitivity to cisplatin in xenograft tumor models. Cisplatin 119-128 eukaryotic translation initiation factor 4E Homo sapiens 0-5 27588477-9 2016 Furthermore, we found that the PI3K/AKT pathway and Bcl-2/Bax ratio might be responsible for the eIF4E-induced cisplatin resistance in ESCC. Cisplatin 111-120 eukaryotic translation initiation factor 4E Homo sapiens 97-102 27194579-2 2016 ISIS 183750 is a second-generation antisense oligonucleotide (ASO) designed to inhibit the production of the eIF4E protein. LY 2275796 0-11 eukaryotic translation initiation factor 4E Homo sapiens 109-114 27418099-10 2016 EIF4E activity was inhibited by CGP57380 dose-dependently. CGP 57380 32-40 eukaryotic translation initiation factor 4E Homo sapiens 0-5 27194579-2 2016 ISIS 183750 is a second-generation antisense oligonucleotide (ASO) designed to inhibit the production of the eIF4E protein. Oligonucleotides 45-60 eukaryotic translation initiation factor 4E Homo sapiens 109-114 27194579-2 2016 ISIS 183750 is a second-generation antisense oligonucleotide (ASO) designed to inhibit the production of the eIF4E protein. Oligonucleotides, Antisense 62-65 eukaryotic translation initiation factor 4E Homo sapiens 109-114 27364770-5 2016 In established and patient-derived cell lines, pharmacologic MNK inhibition using LY2801653 (merestinib) inhibited phosphorylation of the eukaryotic translation initiation factor 4E, a crucial effector for MNK-induced mRNA translation in cancer cells and a marker of transformation. merestinib 82-91 eukaryotic translation initiation factor 4E Homo sapiens 138-181 27364770-5 2016 In established and patient-derived cell lines, pharmacologic MNK inhibition using LY2801653 (merestinib) inhibited phosphorylation of the eukaryotic translation initiation factor 4E, a crucial effector for MNK-induced mRNA translation in cancer cells and a marker of transformation. merestinib 93-103 eukaryotic translation initiation factor 4E Homo sapiens 138-181 27379616-3 2016 Ribavirin and Indinavir are known inhibitors of eIF4E activity. Ribavirin 0-9 eukaryotic translation initiation factor 4E Homo sapiens 48-53 27379616-3 2016 Ribavirin and Indinavir are known inhibitors of eIF4E activity. Indinavir 14-23 eukaryotic translation initiation factor 4E Homo sapiens 48-53 27527252-1 2016 The eukaryotic translation initiation factor (eIF) 4E, which binds to the 5"-cap of mRNA, undergoes phosphorylation on a single conserved serine, executed by the mitogen-activated protein kinase (MAPK)-interacting kinases (MNKs). Serine 138-144 eukaryotic translation initiation factor 4E Homo sapiens 46-53 27520370-0 2016 Anthelmintic drug niclosamide enhances the sensitivity of chronic myeloid leukemia cells to dasatinib through inhibiting Erk/Mnk1/eIF4E pathway. Niclosamide 18-29 eukaryotic translation initiation factor 4E Homo sapiens 130-135 27520370-0 2016 Anthelmintic drug niclosamide enhances the sensitivity of chronic myeloid leukemia cells to dasatinib through inhibiting Erk/Mnk1/eIF4E pathway. Dasatinib 92-101 eukaryotic translation initiation factor 4E Homo sapiens 130-135 27520370-2 2016 Here we show that niclosamide, a FDA-approved anthelmintic drug, enhances the sensitivity of BP-CML cells to dasatinib (2nd generation of BCR-ABL TKI) through inhibiting Erk/Mnk1/eIF4E signaling pathway. Niclosamide 18-29 eukaryotic translation initiation factor 4E Homo sapiens 179-184 27520370-2 2016 Here we show that niclosamide, a FDA-approved anthelmintic drug, enhances the sensitivity of BP-CML cells to dasatinib (2nd generation of BCR-ABL TKI) through inhibiting Erk/Mnk1/eIF4E signaling pathway. Dasatinib 109-118 eukaryotic translation initiation factor 4E Homo sapiens 179-184 27520370-6 2016 Importantly, niclosamide inhibits phosphorylation of Erk, Mnk1 and eIF4E in CML cells. Niclosamide 13-24 eukaryotic translation initiation factor 4E Homo sapiens 67-72 27520370-7 2016 Overexpression of phosphomimetic but not nonphosphorylatable form of eIF4E reverses the inhibitory effects of niclosamide, suggesting that eIF4E inhibition is required for the action of niclosamide in CML. Niclosamide 110-121 eukaryotic translation initiation factor 4E Homo sapiens 139-144 27520370-7 2016 Overexpression of phosphomimetic but not nonphosphorylatable form of eIF4E reverses the inhibitory effects of niclosamide, suggesting that eIF4E inhibition is required for the action of niclosamide in CML. Niclosamide 186-197 eukaryotic translation initiation factor 4E Homo sapiens 139-144 27520370-8 2016 Compared to NBM, the increased levels of eIF4E and its activity in CML CD34 cells might explain the selective toxicity of niclosamide in CML versus NBM. Niclosamide 122-133 eukaryotic translation initiation factor 4E Homo sapiens 41-46 27520370-8 2016 Compared to NBM, the increased levels of eIF4E and its activity in CML CD34 cells might explain the selective toxicity of niclosamide in CML versus NBM. 4-nitrobenzylthioinosine 148-151 eukaryotic translation initiation factor 4E Homo sapiens 41-46 27520370-9 2016 We further show that dasatinib time-dependently induces eIF4E phosphorylation. Dasatinib 21-30 eukaryotic translation initiation factor 4E Homo sapiens 56-61 27520370-10 2016 The combination of eIF4E depletion and dasatinib results in similar effects as the combination of niclosamide and dasatinib, suggesting that niclosamide enhances dasatinib through targeting eIF4E. Niclosamide 141-152 eukaryotic translation initiation factor 4E Homo sapiens 19-24 27520370-10 2016 The combination of eIF4E depletion and dasatinib results in similar effects as the combination of niclosamide and dasatinib, suggesting that niclosamide enhances dasatinib through targeting eIF4E. Niclosamide 141-152 eukaryotic translation initiation factor 4E Homo sapiens 190-195 26829052-3 2016 mTORC1 is critical to link protein synthesis activity to nutrient and oxygen levels, in part by controlling the 4E-BP1-eIF4E axis. Oxygen 70-76 eukaryotic translation initiation factor 4E Homo sapiens 119-124 27289018-2 2016 Here, we report increased MAP kinase-interacting kinase (MNK)-regulated phosphorylation of translation initiation factor 4E (eIF4E) in glioma cells upon temozolomide (TMZ) treatment and in medullary thyroid carcinoma (MTC) cells in response to targeted radionuclide therapy. Temozolomide 153-165 eukaryotic translation initiation factor 4E Homo sapiens 125-130 27289018-2 2016 Here, we report increased MAP kinase-interacting kinase (MNK)-regulated phosphorylation of translation initiation factor 4E (eIF4E) in glioma cells upon temozolomide (TMZ) treatment and in medullary thyroid carcinoma (MTC) cells in response to targeted radionuclide therapy. Temozolomide 167-170 eukaryotic translation initiation factor 4E Homo sapiens 125-130 27289018-2 2016 Here, we report increased MAP kinase-interacting kinase (MNK)-regulated phosphorylation of translation initiation factor 4E (eIF4E) in glioma cells upon temozolomide (TMZ) treatment and in medullary thyroid carcinoma (MTC) cells in response to targeted radionuclide therapy. Radioisotopes 253-265 eukaryotic translation initiation factor 4E Homo sapiens 125-130 27289018-7 2016 Pharmacological inhibition of overexpressed MNK1 by CGP57380 reduced eIF4E phosphorylation and induced association of inactive MNK1 with eIF4G1. CGP 57380 52-60 eukaryotic translation initiation factor 4E Homo sapiens 69-74 27632912-8 2016 Similarly, apple extract-induced phosphorylation of the mTOR/p70S6K/S6RP/eIF4B/eIF4E pathway was blocked by pretreatment with PD98059, a specific ERK inhibitor. 2-(2-amino-3-methoxyphenyl)-4H-1-benzopyran-4-one 126-133 eukaryotic translation initiation factor 4E Homo sapiens 79-84 27501049-10 2016 The importance of eIF4E KD to NSCLC phenotype was further corroborated with its inhibitor, ribavirin. Ribavirin 91-100 eukaryotic translation initiation factor 4E Homo sapiens 18-23 27501049-12 2016 In summary, targeting eIF4E/eIF4GI reduces migration and EMT, both essential for metastasis, thereby underscoring the potential of TI targeting in NSCLC therapy, especially the already clinically employed agents (ribavirin/4EGI). Ribavirin 213-222 eukaryotic translation initiation factor 4E Homo sapiens 22-27 27578149-1 2016 BACKGROUND: Eukaryotic translation initiation factor 4E (eIF4E) plays a pivotal role in the control of cap-dependent translation initiation, modulates the fate of specific mRNAs, occurs in processing bodies (PBs) and is required for formation of stress granules (SGs). pbs 208-211 eukaryotic translation initiation factor 4E Homo sapiens 12-55 27578149-1 2016 BACKGROUND: Eukaryotic translation initiation factor 4E (eIF4E) plays a pivotal role in the control of cap-dependent translation initiation, modulates the fate of specific mRNAs, occurs in processing bodies (PBs) and is required for formation of stress granules (SGs). pbs 208-211 eukaryotic translation initiation factor 4E Homo sapiens 57-62 27462781-7 2016 We found that Ara-C increased the phosphorylation of Erk1/2, p38 and eIF4E, which correlated with an enhanced level of anti-apoptotic Mcl-1 protein. Cytarabine 14-19 eukaryotic translation initiation factor 4E Homo sapiens 69-74 27462781-9 2016 Taken together, our study suggests that MAPK-Mnk-eIF4E pathway plays a critical role in Ara-C-treated MV4-11 cells and targeting Mnk may be a promising therapeutic strategy for sensitizing leukemic cells to Ara-C therapy. Cytarabine 88-93 eukaryotic translation initiation factor 4E Homo sapiens 49-54 27462781-9 2016 Taken together, our study suggests that MAPK-Mnk-eIF4E pathway plays a critical role in Ara-C-treated MV4-11 cells and targeting Mnk may be a promising therapeutic strategy for sensitizing leukemic cells to Ara-C therapy. Cytarabine 207-212 eukaryotic translation initiation factor 4E Homo sapiens 49-54 27413184-6 2016 Our data suggest a physiological role for MNK1a-Ser(353) phosphorylation in regulation of the MNK1a kinase, which correlates with increased eIF4E phosphorylation in vitro and in vivo. Serine 48-51 eukaryotic translation initiation factor 4E Homo sapiens 140-145 27431506-5 2016 We applied this method to functionalize oligonucleotides with biotin and an orthosteric inhibitor of the eukaryotic initiation factor 4E (eIF4E), an enzyme involved in mRNA recognition. Oligonucleotides 40-56 eukaryotic translation initiation factor 4E Homo sapiens 105-136 27431506-5 2016 We applied this method to functionalize oligonucleotides with biotin and an orthosteric inhibitor of the eukaryotic initiation factor 4E (eIF4E), an enzyme involved in mRNA recognition. Oligonucleotides 40-56 eukaryotic translation initiation factor 4E Homo sapiens 138-143 28090419-5 2016 The common biochemical thread for these activities is the ability of eIF4E to bind the 7-methylguanosine cap on the 5" end of mRNAs. 7-methylguanosine 87-104 eukaryotic translation initiation factor 4E Homo sapiens 69-74 27307295-4 2016 Our studies show that merestinib effectively blocks eIF4E phosphorylation in AML cells and suppresses primitive leukemic progenitors from AML patients in vitro and in an AML xenograft model in vivo. merestinib 22-32 eukaryotic translation initiation factor 4E Homo sapiens 52-57 28881582-3 2017 Here, we investigate whether metformin-induced apoptosis in HCC is mediated by the downstream mTORC1 effectors eukaryotic initiation factor 4E and (eIF4E)-binding proteins (4E-BPs). Metformin 29-38 eukaryotic translation initiation factor 4E Homo sapiens 111-142 27313212-3 2016 This step is initiated by eukaryotic initiation factor 4E (eIF4E) (the m7GTP cap-binding protein), whose binding to eIF4G (a scaffolding subunit) and eIF4A (an ATP-dependent RNA helicase) leads to assembly of active eIF4F complex. Adenosine Triphosphate 160-163 eukaryotic translation initiation factor 4E Homo sapiens 26-57 27313212-3 2016 This step is initiated by eukaryotic initiation factor 4E (eIF4E) (the m7GTP cap-binding protein), whose binding to eIF4G (a scaffolding subunit) and eIF4A (an ATP-dependent RNA helicase) leads to assembly of active eIF4F complex. Adenosine Triphosphate 160-163 eukaryotic translation initiation factor 4E Homo sapiens 59-64 30258883-0 2016 The estrogen metabolite 2-methoxyestradiol regulates eukaryotic initiation factor 4E (eIF4E) and inhibits protein synthesis in MG63 osteosarcoma cells. 2-Methoxyestradiol 24-42 eukaryotic translation initiation factor 4E Homo sapiens 53-84 27196780-5 2016 Platinum resistance is shown to be associated with activating phosphorylation of AKT and CHK1, inactivating phosphorylation of 4E-BP1, the negative regulator of eIF4E, which promotes increased cap-dependent mRNA translation and increased levels of CHK1 and BRCA1 proteins. Platinum 0-8 eukaryotic translation initiation factor 4E Homo sapiens 161-166 27053525-8 2016 At this same time point, phosphorylation of eukaryotic translation initiation factor 4E (eIF4E)-binding protein 1 (4E-BP1) at Thr(37/46) was unaffected by supplementation, while that of Thr(46) alone exhibited a pattern similar to that of S6K1, being 18% higher with EAA than BCAA. Threonine 126-129 eukaryotic translation initiation factor 4E Homo sapiens 44-87 27245614-5 2016 Furthermore, rapamycin disrupted eIF4E function selectively in lymphocytes, which was due to the increased abundance of 4E-BP2 relative to that of 4E-BP1 in these cells and the greater sensitivity of 4E-BP2 to rapamycin. Sirolimus 13-22 eukaryotic translation initiation factor 4E Homo sapiens 33-38 26945967-6 2016 Furthermore, we identified activated eIF4E, which is phosphorylated by MNK1, as a regulator of Sox2 expression after irradiation, and pharmacologic inhibition of eIF4E with CGP57380 and Ribavirin significantly weakened Sox2-mediated tumor cell repopulation. CGP 57380 173-181 eukaryotic translation initiation factor 4E Homo sapiens 162-167 26945967-6 2016 Furthermore, we identified activated eIF4E, which is phosphorylated by MNK1, as a regulator of Sox2 expression after irradiation, and pharmacologic inhibition of eIF4E with CGP57380 and Ribavirin significantly weakened Sox2-mediated tumor cell repopulation. Ribavirin 186-195 eukaryotic translation initiation factor 4E Homo sapiens 162-167 27105488-4 2016 We found that sorafenib downregulated AIB1 protein expression by inhibiting AIB1 mRNA translation through simultaneously blocking eIF4E and mTOR/p70S6K/RP-S6 signaling. Sorafenib 14-23 eukaryotic translation initiation factor 4E Homo sapiens 130-135 27002144-2 2016 Under conditions of extreme oxygen depletion (hypoxia), human cells repress eIF4E and switch to an alternative cap-dependent translation mediated by a homolog of eIF4E, eIF4E2. Oxygen 28-34 eukaryotic translation initiation factor 4E Homo sapiens 76-81 27002144-2 2016 Under conditions of extreme oxygen depletion (hypoxia), human cells repress eIF4E and switch to an alternative cap-dependent translation mediated by a homolog of eIF4E, eIF4E2. Oxygen 28-34 eukaryotic translation initiation factor 4E Homo sapiens 162-167 27002144-2 2016 Under conditions of extreme oxygen depletion (hypoxia), human cells repress eIF4E and switch to an alternative cap-dependent translation mediated by a homolog of eIF4E, eIF4E2. cap 111-114 eukaryotic translation initiation factor 4E Homo sapiens 162-167 27002144-4 2016 This complex mediates cap-dependent translation under cell culture conditions of 1% oxygen (to mimic tumor microenvironments), whereas eIF4E mediates cap-dependent translation at 21% oxygen (ambient air). Oxygen 183-189 eukaryotic translation initiation factor 4E Homo sapiens 135-140 27002144-8 2016 The oxygen-dependent activities of eIF4E and eIF4E2 are elucidated by observing their polysome association and the status of mammalian target of rapamycin complex 1 (eIF4E-dependent) or hypoxia-inducible factor 2alpha expression (eIF4E2-dependent). Oxygen 4-10 eukaryotic translation initiation factor 4E Homo sapiens 35-40 27002144-8 2016 The oxygen-dependent activities of eIF4E and eIF4E2 are elucidated by observing their polysome association and the status of mammalian target of rapamycin complex 1 (eIF4E-dependent) or hypoxia-inducible factor 2alpha expression (eIF4E2-dependent). Oxygen 4-10 eukaryotic translation initiation factor 4E Homo sapiens 45-50 27002144-9 2016 We have identified oxygen conditions where eIF4E is the dominant cap-binding protein (21% normoxia or standard cell culture conditions), where eIF4E2 is the dominant cap-binding protein (1% hypoxia or ischemic diseases and cancerous tumors), and where both cap-binding proteins act simultaneously to initiate the translation of distinct mRNAs (1-11% physioxia or during development and stem cell differentiation). Oxygen 19-25 eukaryotic translation initiation factor 4E Homo sapiens 43-48 27050281-0 2016 CGP57380 enhances efficacy of RAD001 in non-small cell lung cancer through abrogating mTOR inhibition-induced phosphorylation of eIF4E and activating mitochondrial apoptotic pathway. CGP 57380 0-8 eukaryotic translation initiation factor 4E Homo sapiens 129-134 27050281-3 2016 Rapamycin induces eIF4E phosphorylation by activating MAPK-interacting kinases (Mnks), and therefore targeting Mnk/eIF4E pathway represents a potential therapeutic strategy for the treatment of NSCLC. Sirolimus 0-9 eukaryotic translation initiation factor 4E Homo sapiens 18-23 27050281-3 2016 Rapamycin induces eIF4E phosphorylation by activating MAPK-interacting kinases (Mnks), and therefore targeting Mnk/eIF4E pathway represents a potential therapeutic strategy for the treatment of NSCLC. Sirolimus 0-9 eukaryotic translation initiation factor 4E Homo sapiens 115-120 27050281-5 2016 Meanwhile, inhibiting Mnk1 expression by Mnk inhibitor (CGP57380) could abrogate rapalogs (RAD001)-induced eIF4E phosphorylation and Akt activation. CGP 57380 56-64 eukaryotic translation initiation factor 4E Homo sapiens 107-112 27114554-12 2016 Cap-dependent changes to the structure of eIF4E underpin this selectivity. cap 0-3 eukaryotic translation initiation factor 4E Homo sapiens 42-47 27114554-4 2016 Typically, eIF4E is localized to both the nucleus and cytoplasm, where it acts in export and translation of specific methyl 7-guanosine (m(7)G)-capped mRNAs, respectively. 7-guanosine 124-135 eukaryotic translation initiation factor 4E Homo sapiens 11-16 27114554-7 2016 During clinical responses to the m(7)G-cap competitor ribavirin, eIF4E is mainly cytoplasmic. Ribavirin 54-63 eukaryotic translation initiation factor 4E Homo sapiens 65-70 27114554-13 2016 Indeed, m(7)G cap analogs or ribavirin prevents nuclear entry of eIF4E, which mirrors the trafficking phenotypes observed in patients with AML. Ribavirin 29-38 eukaryotic translation initiation factor 4E Homo sapiens 65-70 30258883-0 2016 The estrogen metabolite 2-methoxyestradiol regulates eukaryotic initiation factor 4E (eIF4E) and inhibits protein synthesis in MG63 osteosarcoma cells. 2-Methoxyestradiol 24-42 eukaryotic translation initiation factor 4E Homo sapiens 86-91 30258883-4 2016 Our results show that 2-ME treatment increases the association of eIF4E with 4E-BP1 in osteosarcoma cells. 2-Methoxyestradiol 22-26 eukaryotic translation initiation factor 4E Homo sapiens 66-71 30258883-5 2016 Also, 2-ME decreases the binding of eIF4E protein to 7-methyl-guanosine cap structure, indicating that 2-ME treatment results in the inhibition of translational initiation. 2-Methoxyestradiol 6-10 eukaryotic translation initiation factor 4E Homo sapiens 36-41 30258883-5 2016 Also, 2-ME decreases the binding of eIF4E protein to 7-methyl-guanosine cap structure, indicating that 2-ME treatment results in the inhibition of translational initiation. 7-methylguanosine 53-71 eukaryotic translation initiation factor 4E Homo sapiens 36-41 30258883-5 2016 Also, 2-ME decreases the binding of eIF4E protein to 7-methyl-guanosine cap structure, indicating that 2-ME treatment results in the inhibition of translational initiation. 2-Methoxyestradiol 103-107 eukaryotic translation initiation factor 4E Homo sapiens 36-41 26944016-7 2016 Depletion of eIF4E abolishes the inhibitory effects of rifabutin on beta-catenin activities and overexpression of beta-catenin reverses the inhibitory effects of rifabutin on cell growth and survival, further confirming that rifabutin acts on lung cancer cells via targeting eIF4E- beta-catenin axis. Rifabutin 55-64 eukaryotic translation initiation factor 4E Homo sapiens 13-18 26939700-6 2016 Using a tet-on-inducible eIF4E-knockdown system, eIF4E downregulation blocks multiple myeloma tumor growth in vivo, correlating with decreased eIF4E expression. tetramethylenedisulfotetramine 8-11 eukaryotic translation initiation factor 4E Homo sapiens 25-30 26939700-6 2016 Using a tet-on-inducible eIF4E-knockdown system, eIF4E downregulation blocks multiple myeloma tumor growth in vivo, correlating with decreased eIF4E expression. tetramethylenedisulfotetramine 8-11 eukaryotic translation initiation factor 4E Homo sapiens 49-54 26939700-6 2016 Using a tet-on-inducible eIF4E-knockdown system, eIF4E downregulation blocks multiple myeloma tumor growth in vivo, correlating with decreased eIF4E expression. tetramethylenedisulfotetramine 8-11 eukaryotic translation initiation factor 4E Homo sapiens 49-54 26668315-7 2016 Analysis of proteins bound to m(7)GTP-Sepharose reveals that both CGP and eIF4G(1357-1600) decrease binding of eIF4E to eIF4G. (7)gtp 31-37 eukaryotic translation initiation factor 4E Homo sapiens 111-116 27025252-3 2016 Se inhibits translation initiation by altering the cap-binding activity of eukaryotic translation initiation factor 4E (eIF4E)-binding protein 1 (4EBP1). Selenious Acid 0-2 eukaryotic translation initiation factor 4E Homo sapiens 75-118 27025252-8 2016 Selenite induces a block in translation and leads to stress granule assembly through the sequestration of eIF4E by binding hypophosphorylated 4EBP1. Selenious Acid 0-8 eukaryotic translation initiation factor 4E Homo sapiens 106-111 26603836-7 2016 Indeed, eIF4E inhibition induces tumor regression in cell line and patient-derived tumorgrafts of TH-DLBCL, even in the presence of elevated Hsp90 activity. th-dlbcl 98-106 eukaryotic translation initiation factor 4E Homo sapiens 8-13 26882068-0 2016 Phosphorylation of eIF4E serine 209 is associated with tumour progression and reduced survival in malignant melanoma. Serine 25-31 eukaryotic translation initiation factor 4E Homo sapiens 19-24 26668315-7 2016 Analysis of proteins bound to m(7)GTP-Sepharose reveals that both CGP and eIF4G(1357-1600) decrease binding of eIF4E to eIF4G. Sepharose 38-47 eukaryotic translation initiation factor 4E Homo sapiens 111-116 26811205-5 2016 Immunoprecipitation assays using anti-eIF4E antibodies revealed that the binding affinity of eIF4E to the cap structure of mRNA in the PIC was sensitive to the number of charged aminoethylene repeats in the polyamine side chain and was strongly correlated with their translational efficiency. aziridine 178-191 eukaryotic translation initiation factor 4E Homo sapiens 38-43 26811205-5 2016 Immunoprecipitation assays using anti-eIF4E antibodies revealed that the binding affinity of eIF4E to the cap structure of mRNA in the PIC was sensitive to the number of charged aminoethylene repeats in the polyamine side chain and was strongly correlated with their translational efficiency. aziridine 178-191 eukaryotic translation initiation factor 4E Homo sapiens 93-98 26811205-5 2016 Immunoprecipitation assays using anti-eIF4E antibodies revealed that the binding affinity of eIF4E to the cap structure of mRNA in the PIC was sensitive to the number of charged aminoethylene repeats in the polyamine side chain and was strongly correlated with their translational efficiency. Polyamines 207-216 eukaryotic translation initiation factor 4E Homo sapiens 38-43 26811205-5 2016 Immunoprecipitation assays using anti-eIF4E antibodies revealed that the binding affinity of eIF4E to the cap structure of mRNA in the PIC was sensitive to the number of charged aminoethylene repeats in the polyamine side chain and was strongly correlated with their translational efficiency. Polyamines 207-216 eukaryotic translation initiation factor 4E Homo sapiens 93-98 26861281-0 2016 Isolation of Flavonoids from Deguelia duckeana and Their Effect on Cellular Viability, AMPK, eEF2, eIF2 and eIF4E. Flavonoids 13-23 eukaryotic translation initiation factor 4E Homo sapiens 108-113 26542945-3 2015 RESULTS: We show that FK866 induces a translational arrest in leukemia cells through inhibition of MTOR/4EBP1 signaling and of the initiation factors EIF4E and EIF2A. N-(4-(1-benzoylpiperidin-4-yl)butyl)-3-(pyridin-3-yl)acrylamide 22-27 eukaryotic translation initiation factor 4E Homo sapiens 150-155 27941351-2 2016 The small molecule 4EG-I, a potent inhibitor of translation initiation through disrupting eIF4E/eIF4G interaction, has been shown to exert anticancer effects in animal models of human cancers. 4eg-i 19-24 eukaryotic translation initiation factor 4E Homo sapiens 90-95 26498997-0 2015 Knockdown of eIF4E suppresses cell proliferation, invasion and enhances cisplatin cytotoxicity in human ovarian cancer cells. Cisplatin 72-81 eukaryotic translation initiation factor 4E Homo sapiens 13-18 26498997-4 2015 First the activation of eIF4E protein was detected with m7-GTP cap binding assays in ovarian cancer and control cells. 7-methylguanosine triphosphate 56-62 eukaryotic translation initiation factor 4E Homo sapiens 24-29 26498997-8 2015 Finally, we investigated the effect of knockdown of eIF4E on the chemosensitivity of ovarian cancer cells to cisplatin in vitro. Cisplatin 109-118 eukaryotic translation initiation factor 4E Homo sapiens 52-57 26498997-10 2015 The results of BrdU incorporation and FCM assay indicate that knockdown of eIF4E efficiently suppressed cell growth and induce cell cycle arrest in G1 phase and subsequent apoptosis in ovarian cancer cells. Fosfomycin 38-41 eukaryotic translation initiation factor 4E Homo sapiens 75-80 26498997-12 2015 We also confirmed that knockdown eIF4E could synergistically enhance the cytotoxicity effects of cisplatin to cancer cells and sensitized cisplatin-resistant C200 cells in vitro. Cisplatin 97-106 eukaryotic translation initiation factor 4E Homo sapiens 33-38 26498997-12 2015 We also confirmed that knockdown eIF4E could synergistically enhance the cytotoxicity effects of cisplatin to cancer cells and sensitized cisplatin-resistant C200 cells in vitro. Cisplatin 138-147 eukaryotic translation initiation factor 4E Homo sapiens 33-38 26498997-13 2015 This study demonstrates that the activation of eIF4E gene is an essential component of the malignant phenotype in ovarian cancer, and aberration of eIF4E expression is associated with proliferation, migration, invasion and chemosensitivity to cisplatin in ovarian cancer cells. Cisplatin 243-252 eukaryotic translation initiation factor 4E Homo sapiens 148-153 26427906-0 2015 Gating by tryptophan 73 exposes a cryptic pocket at the protein-binding interface of the oncogenic eIF4E protein. Tryptophan 10-20 eukaryotic translation initiation factor 4E Homo sapiens 99-104 26427906-3 2015 We report here the presence of a cryptic pocket at the protein-binding interface of eIF4E, which opens transiently during molecular dynamics simulations of the protein in solvent water and is observed to be stable when solvent water is mixed with benzene molecules. Water 179-184 eukaryotic translation initiation factor 4E Homo sapiens 84-89 26427906-3 2015 We report here the presence of a cryptic pocket at the protein-binding interface of eIF4E, which opens transiently during molecular dynamics simulations of the protein in solvent water and is observed to be stable when solvent water is mixed with benzene molecules. Water 227-232 eukaryotic translation initiation factor 4E Homo sapiens 84-89 26427906-3 2015 We report here the presence of a cryptic pocket at the protein-binding interface of eIF4E, which opens transiently during molecular dynamics simulations of the protein in solvent water and is observed to be stable when solvent water is mixed with benzene molecules. Benzene 247-254 eukaryotic translation initiation factor 4E Homo sapiens 84-89 26078354-0 2015 Targeting protein arginine methyltransferase 5 inhibits colorectal cancer growth by decreasing arginine methylation of eIF4E and FGFR3. Arginine 18-26 eukaryotic translation initiation factor 4E Homo sapiens 119-124 26078354-11 2015 Collectively, our findings provide new evidence that PRMT5 plays an important role in CRC pathogenesis through epigenetically regulating arginine methylation of oncogenes such as eIF4E and FGFR3. Arginine 137-145 eukaryotic translation initiation factor 4E Homo sapiens 179-184 26317515-0 2015 Ribavirin Inhibits the Activity of mTOR/eIF4E, ERK/Mnk1/eIF4E Signaling Pathway and Synergizes with Tyrosine Kinase Inhibitor Imatinib to Impair Bcr-Abl Mediated Proliferation and Apoptosis in Ph+ Leukemia. Ribavirin 0-9 eukaryotic translation initiation factor 4E Homo sapiens 40-45 26317515-0 2015 Ribavirin Inhibits the Activity of mTOR/eIF4E, ERK/Mnk1/eIF4E Signaling Pathway and Synergizes with Tyrosine Kinase Inhibitor Imatinib to Impair Bcr-Abl Mediated Proliferation and Apoptosis in Ph+ Leukemia. Ribavirin 0-9 eukaryotic translation initiation factor 4E Homo sapiens 56-61 26317515-2 2015 Previous studies reported that ribavirin could suppress eIF4E-controlled translation and reduce the synthesis of onco-proteins. Ribavirin 31-40 eukaryotic translation initiation factor 4E Homo sapiens 56-61 26317515-5 2015 7-Methyl-guanosine cap affinity assay further demonstrated that ribavirin remarkably increased the eIF4E binding to 4EBP1 and decreased the combination of eIF4E with eIF4G, consequently resulting in a major inhibition of eIF4F complex assembly. 7-methylguanosine 0-18 eukaryotic translation initiation factor 4E Homo sapiens 99-104 26317515-5 2015 7-Methyl-guanosine cap affinity assay further demonstrated that ribavirin remarkably increased the eIF4E binding to 4EBP1 and decreased the combination of eIF4E with eIF4G, consequently resulting in a major inhibition of eIF4F complex assembly. 7-methylguanosine 0-18 eukaryotic translation initiation factor 4E Homo sapiens 155-160 26317515-5 2015 7-Methyl-guanosine cap affinity assay further demonstrated that ribavirin remarkably increased the eIF4E binding to 4EBP1 and decreased the combination of eIF4E with eIF4G, consequently resulting in a major inhibition of eIF4F complex assembly. 7-methylguanosine 0-18 eukaryotic translation initiation factor 4E Homo sapiens 221-226 26317515-5 2015 7-Methyl-guanosine cap affinity assay further demonstrated that ribavirin remarkably increased the eIF4E binding to 4EBP1 and decreased the combination of eIF4E with eIF4G, consequently resulting in a major inhibition of eIF4F complex assembly. Ribavirin 64-73 eukaryotic translation initiation factor 4E Homo sapiens 99-104 26317515-5 2015 7-Methyl-guanosine cap affinity assay further demonstrated that ribavirin remarkably increased the eIF4E binding to 4EBP1 and decreased the combination of eIF4E with eIF4G, consequently resulting in a major inhibition of eIF4F complex assembly. Ribavirin 64-73 eukaryotic translation initiation factor 4E Homo sapiens 155-160 26317515-5 2015 7-Methyl-guanosine cap affinity assay further demonstrated that ribavirin remarkably increased the eIF4E binding to 4EBP1 and decreased the combination of eIF4E with eIF4G, consequently resulting in a major inhibition of eIF4F complex assembly. Ribavirin 64-73 eukaryotic translation initiation factor 4E Homo sapiens 221-226 26044548-8 2015 However, MNKI-85, a first-in-class inhibitor of Mnk2, can be used as a powerful pharmacologic tool in studying the Mnk2/eIF4E-mediated tumorigenic mechanism. 4-((4-fluoro-2-isopropoxyphenyl)amino)-N-(2-methoxyethyl)-5-methylthieno(2,3-d)pyrimidine-6-carboxamide 9-16 eukaryotic translation initiation factor 4E Homo sapiens 120-125 25982998-10 2015 More importantly, after treated with eIF4E siRNA, cellular migratory capacity on fibronectin of HT-29 and beta6-transfected SW480 as well as their survival to 5-FU was decreased distinctly. Fluorouracil 159-163 eukaryotic translation initiation factor 4E Homo sapiens 37-42 26002467-7 2015 In addition, depletion of eIF4E attenuated thioacetamide (TAA)-induced liver fibrosis in vivo. Thioacetamide 43-56 eukaryotic translation initiation factor 4E Homo sapiens 26-31 26095252-5 2015 In particular, we demonstrate that the dose of eIF4E is essential for translating mRNAs that regulate reactive oxygen species, fueling transformation and cancer cell survival in vivo. Reactive Oxygen Species 102-125 eukaryotic translation initiation factor 4E Homo sapiens 47-52 25850883-0 2015 Dehydrocostus lactone suppressed the proliferation, migration, and invasion of colorectal carcinoma through the downregulation of eIF4E expression. Lactones 14-21 eukaryotic translation initiation factor 4E Homo sapiens 130-135 25850883-7 2015 The expression of eukaryotic translation initiation factor 4E (eIF4E), which was originally highly expressed in both cells, was significantly decreased by DHC. dehydrocostus lactone 155-158 eukaryotic translation initiation factor 4E Homo sapiens 18-61 25850883-7 2015 The expression of eukaryotic translation initiation factor 4E (eIF4E), which was originally highly expressed in both cells, was significantly decreased by DHC. dehydrocostus lactone 155-158 eukaryotic translation initiation factor 4E Homo sapiens 63-68 25850883-9 2015 To the best of our knowledge, this is the first time it has been shown that DHC suppressed the proliferation, cell cycle progression, antiapoptosis, and migration and invasion capabilities of CRC cells by the downregulation of eIF4E expression. dehydrocostus lactone 76-79 eukaryotic translation initiation factor 4E Homo sapiens 227-232 25850883-10 2015 In terms of the overexpression of eIF4E in many cancers, it was speculated that DHC might also play an anticancerous role by suppressing eIF4E expression. dehydrocostus lactone 80-83 eukaryotic translation initiation factor 4E Homo sapiens 34-39 25850883-10 2015 In terms of the overexpression of eIF4E in many cancers, it was speculated that DHC might also play an anticancerous role by suppressing eIF4E expression. dehydrocostus lactone 80-83 eukaryotic translation initiation factor 4E Homo sapiens 137-142 25915158-0 2015 Small-molecule induction of phospho-eIF4E sumoylation and degradation via targeting its phosphorylated serine 209 residue. Serine 103-109 eukaryotic translation initiation factor 4E Homo sapiens 36-41 25915158-2 2015 Here we identify a small molecule, homoharringtonine (HHT), that antagonizes p-eIF4E function and eradicates acute myeloid leukemia (AML) expressing high level of p-eIF4E in vitro and in vivo. Homoharringtonine 35-52 eukaryotic translation initiation factor 4E Homo sapiens 79-84 25915158-2 2015 Here we identify a small molecule, homoharringtonine (HHT), that antagonizes p-eIF4E function and eradicates acute myeloid leukemia (AML) expressing high level of p-eIF4E in vitro and in vivo. Homoharringtonine 35-52 eukaryotic translation initiation factor 4E Homo sapiens 165-170 25915158-4 2015 HHT targets the phosphorylated serine 209 residue of p-eIF4E and induces p-eIF4E oligomerization, which enhances its interaction with the small ubiquitin-like protein modifier (SUMO)-conjugating enzyme UBC9, resulting in proteasome-dependent degradation of p-eIF4E via SUMO2/3-mediated SUMOylation. Serine 31-37 eukaryotic translation initiation factor 4E Homo sapiens 55-60 25915158-5 2015 These results suggest that the phosphorylated serine 209 residue of p-eIF4E might be a potential target for developing small molecule-based new therapies for leukemia. Serine 46-52 eukaryotic translation initiation factor 4E Homo sapiens 70-75 25615552-0 2015 The role of eIF4E in response and acquired resistance to vemurafenib in melanoma. Vemurafenib 57-68 eukaryotic translation initiation factor 4E Homo sapiens 12-17 25659819-4 2015 Rapamycin inhibits the phosphorylation of S6K at nano-molar concentrations in MDA-MB-231 cells; however, micro-molar concentrations of rapamycin are required to inhibit phosphorylation of 4E-BP1 - the phosphorylation of which liberates eIF4E to initiate translation. Sirolimus 0-9 eukaryotic translation initiation factor 4E Homo sapiens 236-241 25659819-4 2015 Rapamycin inhibits the phosphorylation of S6K at nano-molar concentrations in MDA-MB-231 cells; however, micro-molar concentrations of rapamycin are required to inhibit phosphorylation of 4E-BP1 - the phosphorylation of which liberates eIF4E to initiate translation. Sirolimus 135-144 eukaryotic translation initiation factor 4E Homo sapiens 236-241 25615552-3 2015 We hypothesized that eIF4E promotes melanoma cell proliferation and facilitates the development of acquired resistance to the BRAF inhibitor vemurafenib. Vemurafenib 141-152 eukaryotic translation initiation factor 4E Homo sapiens 21-26 25615552-6 2015 Moreover, in BRAF(V600E) melanoma cell lines, vemurafenib inhibits 4E-BP1 phosphorylation, thus promoting its binding to eIF4E. Vemurafenib 46-57 eukaryotic translation initiation factor 4E Homo sapiens 121-126 25615552-7 2015 Cap-binding and polysome profiling analysis confirmed that vemurafenib stabilizes the eIF4E-4E-BP1 association and blocks mRNA translation, respectively. Vemurafenib 59-70 eukaryotic translation initiation factor 4E Homo sapiens 86-91 25615552-8 2015 Conversely, in cells with acquired resistance to vemurafenib, there is an increased dependence on eIF4E for survival; 4E-BP1 is highly phosphorylated and thus eIF4E-4E-BP1 associations are impeded. Vemurafenib 49-60 eukaryotic translation initiation factor 4E Homo sapiens 98-103 25615552-8 2015 Conversely, in cells with acquired resistance to vemurafenib, there is an increased dependence on eIF4E for survival; 4E-BP1 is highly phosphorylated and thus eIF4E-4E-BP1 associations are impeded. Vemurafenib 49-60 eukaryotic translation initiation factor 4E Homo sapiens 159-164 25615552-9 2015 Moreover, increasing eIF4E activity by silencing 4E-BP1/2 renders vemurafenib-responsive cells more resistant to BRAF inhibition. Vemurafenib 66-77 eukaryotic translation initiation factor 4E Homo sapiens 21-26 25615552-10 2015 In conclusion, these data suggest that therapeutically targeting eIF4E may be a viable means of inhibiting melanoma cell proliferation and overcoming vemurafenib resistance. Vemurafenib 150-161 eukaryotic translation initiation factor 4E Homo sapiens 65-70 25738706-1 2015 The aim of the present study was to demonstrate that ribavirin, a known inhibitor of eIF4E and inosine 5"-phosphate dehydrogenase (IMPDH), also inhibits histone methyltransferase zeste homolog 2 (EZH2). Ribavirin 53-62 eukaryotic translation initiation factor 4E Homo sapiens 85-90 25738706-6 2015 Ribavirin induced variable growth inhibition in a number of cell lines and downregulation of the targets, EZH2, eIF4E and IMPDH1 and 2 by siRNA led to comparable growth inhibition while no significant further reduction in viability was observed when siRNA transfected cells were treated with ribavirin. Ribavirin 0-9 eukaryotic translation initiation factor 4E Homo sapiens 112-117 25813250-0 2015 miR-141 confers docetaxel chemoresistance of breast cancer cells via regulation of EIF4E expression. Docetaxel 16-25 eukaryotic translation initiation factor 4E Homo sapiens 83-88 25813250-8 2015 This serves as a mechanism of acquired docetaxel resistance in BC cells, possibly through direct interactions with EIF4E, therefore presenting a potential therapeutic target for the treatment of docetaxel resistant BC. Docetaxel 39-48 eukaryotic translation initiation factor 4E Homo sapiens 115-120 25813250-8 2015 This serves as a mechanism of acquired docetaxel resistance in BC cells, possibly through direct interactions with EIF4E, therefore presenting a potential therapeutic target for the treatment of docetaxel resistant BC. Docetaxel 195-204 eukaryotic translation initiation factor 4E Homo sapiens 115-120 25839159-2 2015 We demonstrate here that the cap bound fraction from lymphoma cells was enriched with eIF4G and eIF4E indicating that lymphoma cells exist in an activated translational state. cap 29-32 eukaryotic translation initiation factor 4E Homo sapiens 96-101 25816092-6 2015 The compounds can also serve as reporter ligands for protein binding studies, as exemplified by studying interaction of fluorophosphate mRNA cap analogues with eukaryotic translation initiation factor (eIF4E). fluorophosphate 120-135 eukaryotic translation initiation factor 4E Homo sapiens 202-207 25884680-8 2015 High expression levels of eukaryotic translation initiation factor 4E (eIF4E) were observed in 5 everolimus-resistant SCLC cells and SBC5 R10 cells by Western blotting. Everolimus 97-107 eukaryotic translation initiation factor 4E Homo sapiens 26-69 25884680-8 2015 High expression levels of eukaryotic translation initiation factor 4E (eIF4E) were observed in 5 everolimus-resistant SCLC cells and SBC5 R10 cells by Western blotting. Everolimus 97-107 eukaryotic translation initiation factor 4E Homo sapiens 71-76 25884680-10 2015 Importantly, after reduction of MYC or eIF4E by siRNAs, the SBC5 parent and two SBC5-resistant cells displayed increased sensitivity to everolimus relative to the siRNA controls. Everolimus 136-146 eukaryotic translation initiation factor 4E Homo sapiens 39-44 25884680-11 2015 CONCLUSION: These findings suggest that eIF4E has been shown to be an important factor in the resistance to everolimus in SCLC cells. Everolimus 108-118 eukaryotic translation initiation factor 4E Homo sapiens 40-45 25884680-12 2015 Furthermore, a link between MYC and mTOR-independent eIF4E contribute to the resistance to everolimus in SCLC cells. Everolimus 91-101 eukaryotic translation initiation factor 4E Homo sapiens 53-58 25535978-5 2015 The assembly of the eIF4F translation initiation complex was examined using a 7-methyl-guanosine cap affinity assay. 7-methylguanosine 78-96 eukaryotic translation initiation factor 4E Homo sapiens 20-25 25535978-7 2015 The phosphorylation levels of eIF4E (p-eIF4E) at Ser209 influence the antileukemia roles of PP242. PP242 92-97 eukaryotic translation initiation factor 4E Homo sapiens 30-35 25535978-7 2015 The phosphorylation levels of eIF4E (p-eIF4E) at Ser209 influence the antileukemia roles of PP242. PP242 92-97 eukaryotic translation initiation factor 4E Homo sapiens 37-44 25535978-9 2015 Surprisingly, the effects of PP242 in leukemia cells with high p-eIF4E expression, such as the acute myelomonocytic leukemia THP-1 cell line and M4-M5 primary blasts, were also weak. PP242 29-34 eukaryotic translation initiation factor 4E Homo sapiens 63-70 25535978-10 2015 In contrast, PP242 exerted a significant antiproliferative effect in the Ph+ acute lymphoblastic leukemia SUP-B15 cell line and the mantle cell lymphoma JEKO-1 cell line, which had intermediate p-eIF4E levels. PP242 13-18 eukaryotic translation initiation factor 4E Homo sapiens 194-201 25535978-11 2015 PP242 inhibited the translation of the antiapoptotic protein Mcl-1 by downregulating the Akt/mTORC1/eIF4E signaling pathway. PP242 0-5 eukaryotic translation initiation factor 4E Homo sapiens 100-105 24047601-7 2015 U0126 abolished ODP consolidation and reduced both phosphorylation of eukaryotic initiation factor 4E (eIF4E) and levels of the synaptic marker PSD-95. U 0126 0-5 eukaryotic translation initiation factor 4E Homo sapiens 70-101 25624349-6 2015 Accumulated ARIH1 associated with 4EHP, and in turn, this competitive inhibitor of the eukaryotic translation initiation factor 4E (eIF4E) underwent increased nondegradative ubiquitination upon DNA damage. 4ehp 34-38 eukaryotic translation initiation factor 4E Homo sapiens 87-130 25624349-6 2015 Accumulated ARIH1 associated with 4EHP, and in turn, this competitive inhibitor of the eukaryotic translation initiation factor 4E (eIF4E) underwent increased nondegradative ubiquitination upon DNA damage. 4ehp 34-38 eukaryotic translation initiation factor 4E Homo sapiens 132-137 25608710-2 2015 In this article, we report that a pharmacologic inhibitor of eIF4E function, ribavirin, safely and potently suppresses breast tumor formation. Ribavirin 77-86 eukaryotic translation initiation factor 4E Homo sapiens 61-66 25608710-6 2015 Our findings offer a preclinical rationale to explore broadening the clinical evaluation of ribavirin, currently being tested in patients with eIF4E-overexpressing leukemia, as a strategy to treat solid tumors such as metastatic breast cancer. Ribavirin 92-101 eukaryotic translation initiation factor 4E Homo sapiens 143-148 25634130-1 2015 The synthesis and in vitro and in vivo antibreast and antiprostate cancers activities of novel C-4 heteroaryl 13-cis-retinamides that modulate Mnk-eIF4E and AR signaling are discussed. 13-cis-retinamides 110-128 eukaryotic translation initiation factor 4E Homo sapiens 147-152 24047601-7 2015 U0126 abolished ODP consolidation and reduced both phosphorylation of eukaryotic initiation factor 4E (eIF4E) and levels of the synaptic marker PSD-95. U 0126 0-5 eukaryotic translation initiation factor 4E Homo sapiens 103-108 25742094-5 2015 Furthermore, pull-down assays with 7-methyl- GTP Sepharose 4B beads indicate that Ligustrazine reduces the available eIF4E for translation initiation. 7-methylguanosine triphosphate 35-48 eukaryotic translation initiation factor 4E Homo sapiens 117-122 25422161-5 2015 eIF4E inhibition in MM cells [bone marrow (BM), lines] by siRNA and/or the anti-viral drug and competitive eIF4E inhibitor ribavirin (RBV) deleteriously affected MM cells in a similar manner to the overexpression of tetraspanins. Ribavirin 123-132 eukaryotic translation initiation factor 4E Homo sapiens 0-5 25422161-5 2015 eIF4E inhibition in MM cells [bone marrow (BM), lines] by siRNA and/or the anti-viral drug and competitive eIF4E inhibitor ribavirin (RBV) deleteriously affected MM cells in a similar manner to the overexpression of tetraspanins. Ribavirin 123-132 eukaryotic translation initiation factor 4E Homo sapiens 107-112 25422161-5 2015 eIF4E inhibition in MM cells [bone marrow (BM), lines] by siRNA and/or the anti-viral drug and competitive eIF4E inhibitor ribavirin (RBV) deleteriously affected MM cells in a similar manner to the overexpression of tetraspanins. Ribavirin 134-137 eukaryotic translation initiation factor 4E Homo sapiens 0-5 25422161-5 2015 eIF4E inhibition in MM cells [bone marrow (BM), lines] by siRNA and/or the anti-viral drug and competitive eIF4E inhibitor ribavirin (RBV) deleteriously affected MM cells in a similar manner to the overexpression of tetraspanins. Ribavirin 134-137 eukaryotic translation initiation factor 4E Homo sapiens 107-112 25422161-7 2015 Our results demonstrate that breach of proteostasis via eIF4E inhibition is an attractive therapeutic approach that may be relatively easily achieved by employing RBV, making this strategy readily translatable into the clinic. Ribavirin 163-166 eukaryotic translation initiation factor 4E Homo sapiens 56-61 25742094-5 2015 Furthermore, pull-down assays with 7-methyl- GTP Sepharose 4B beads indicate that Ligustrazine reduces the available eIF4E for translation initiation. Sepharose 49-61 eukaryotic translation initiation factor 4E Homo sapiens 117-122 25742094-5 2015 Furthermore, pull-down assays with 7-methyl- GTP Sepharose 4B beads indicate that Ligustrazine reduces the available eIF4E for translation initiation. tetramethylpyrazine 82-94 eukaryotic translation initiation factor 4E Homo sapiens 117-122 25742094-7 2015 In addition, the transient overexpression of eIF4E or MNK1 prevents the Ligustrazine-induced inhibition of proliferation and confers significant protection against Ligustrazine-induced apoptosis. tetramethylpyrazine 72-84 eukaryotic translation initiation factor 4E Homo sapiens 45-50 25742094-7 2015 In addition, the transient overexpression of eIF4E or MNK1 prevents the Ligustrazine-induced inhibition of proliferation and confers significant protection against Ligustrazine-induced apoptosis. tetramethylpyrazine 164-176 eukaryotic translation initiation factor 4E Homo sapiens 45-50 25742094-8 2015 Therefore, the present study provides evidences that Ligustrazine may be a candidate for therapeutic reagent for the treatment of HRPC and certifies that Ligustrazine modulates the availability of eIF4E mainly through the mTOR and MEK/ERK signaling pathways to inhibit cap-dependent translation. tetramethylpyrazine 53-65 eukaryotic translation initiation factor 4E Homo sapiens 197-202 25742094-8 2015 Therefore, the present study provides evidences that Ligustrazine may be a candidate for therapeutic reagent for the treatment of HRPC and certifies that Ligustrazine modulates the availability of eIF4E mainly through the mTOR and MEK/ERK signaling pathways to inhibit cap-dependent translation. tetramethylpyrazine 154-166 eukaryotic translation initiation factor 4E Homo sapiens 197-202 25743822-5 2015 Three key proteins (GAPDH, HSPB1 and EIF4E) changed in pemetrexed treated A549 cells were validated by Western blotting. Pemetrexed 55-65 eukaryotic translation initiation factor 4E Homo sapiens 37-42 25425688-0 2015 A phase I trial of ribavirin and low-dose cytarabine for the treatment of relapsed and refractory acute myeloid leukemia with elevated eIF4E. Ribavirin 19-28 eukaryotic translation initiation factor 4E Homo sapiens 135-140 25425688-0 2015 A phase I trial of ribavirin and low-dose cytarabine for the treatment of relapsed and refractory acute myeloid leukemia with elevated eIF4E. Cytarabine 42-52 eukaryotic translation initiation factor 4E Homo sapiens 135-140 25439783-7 2015 TE2 cells are sensitized to rapamycin treatment after overexpression of 4E-BP1 or knockdown of eIF4E; TE1 cells become resistant to rapamycin after knockdown of 4E-BP1 or overexpression of eIF4E. Sirolimus 28-37 eukaryotic translation initiation factor 4E Homo sapiens 95-100 25510279-7 2015 Finally, recent clinical work targeting eIF4E in acute myeloid leukemia patients with ribavirin is discussed. Ribavirin 86-95 eukaryotic translation initiation factor 4E Homo sapiens 40-45 25439783-7 2015 TE2 cells are sensitized to rapamycin treatment after overexpression of 4E-BP1 or knockdown of eIF4E; TE1 cells become resistant to rapamycin after knockdown of 4E-BP1 or overexpression of eIF4E. Sirolimus 28-37 eukaryotic translation initiation factor 4E Homo sapiens 189-194 25439783-8 2015 These data suggest that the 4E-BP1/eIF4E ratio is a determinant for the response of TE1 and TE2 cells to rapamycin treatment. Sirolimus 105-114 eukaryotic translation initiation factor 4E Homo sapiens 35-40 25439783-12 2015 Thus, the 4E-BP1/eIF4E ratio may represent a therapeutic index for the prediction of clinical outcome of rapamycin treatment in patients with esophageal squamous cell carcinoma. Sirolimus 105-114 eukaryotic translation initiation factor 4E Homo sapiens 17-22 25514650-5 2014 When transfected into cells, eIF4e aptamers cause a dramatic loss of cell proliferation in tumor cells as seen with eIF4e knockdown with antisense oligonucleotides, shRNAs, and siRNAs, hinting at therapeutic possibilities. Oligonucleotides 147-163 eukaryotic translation initiation factor 4E Homo sapiens 29-34 25514650-5 2014 When transfected into cells, eIF4e aptamers cause a dramatic loss of cell proliferation in tumor cells as seen with eIF4e knockdown with antisense oligonucleotides, shRNAs, and siRNAs, hinting at therapeutic possibilities. Oligonucleotides 147-163 eukaryotic translation initiation factor 4E Homo sapiens 116-121 25477336-5 2014 This form was discovered while developing means to target a specific oncogene, the eukaryotic translation initiation factor 4E (eIF4E), with its inhibitor ribavirin. Ribavirin 155-164 eukaryotic translation initiation factor 4E Homo sapiens 83-126 25477336-5 2014 This form was discovered while developing means to target a specific oncogene, the eukaryotic translation initiation factor 4E (eIF4E), with its inhibitor ribavirin. Ribavirin 155-164 eukaryotic translation initiation factor 4E Homo sapiens 128-133 25356869-1 2014 The eukaryotic initiation factor eIF4E is essential for cap-dependent initiation of translation in eukaryotes. cap 56-59 eukaryotic translation initiation factor 4E Homo sapiens 33-38 25403230-1 2014 The phosphorylation of eIF4E1 at serine 209 by MNK1 or MNK2 has been shown to initiate oncogenic mRNA translation, a process that favours cancer development and maintenance. Serine 33-39 eukaryotic translation initiation factor 4E Homo sapiens 23-29 25100829-7 2014 Furthermore, by knocking down 4EBP1 in combination with the new mTOR inhibitor INK-128 treatment, we discovered that LMP2A expression activates the 4EBP1-eIF4E axis and increases the expression of MTA1 at the translational level partially independent of c-myc. INK128 79-86 eukaryotic translation initiation factor 4E Homo sapiens 154-159 24711125-3 2014 Mesothelioma cells were treated with 4Ei-1, a membrane permeable prodrug that when converted to the active drug, 7-benzyl guanosine monophosphate (7Bn-GMP) displaces capped mRNAs from the eIF4F complex. SCHEMBL5367406 113-145 eukaryotic translation initiation factor 4E Homo sapiens 188-193 25193863-3 2014 We provide evidence that mTORC1 inhibition by rapamycin results in engagement of a negative feedback regulatory loop in malignant medulloblastoma cells, involving phosphorylation of the eukaryotic translation-initiation factor eIF4E. Sirolimus 46-55 eukaryotic translation initiation factor 4E Homo sapiens 227-232 25197055-0 2014 Translation initiation factor eIF4F modifies the dexamethasone response in multiple myeloma. Dexamethasone 49-62 eukaryotic translation initiation factor 4E Homo sapiens 30-35 25197055-5 2014 We find that suppression of all three subunits of the eIF4F cap-binding complex synergizes with DEX in MM to induce cell death. Dexamethasone 96-99 eukaryotic translation initiation factor 4E Homo sapiens 54-59 25197055-6 2014 Using a suite of small molecules that target various activities of eIF4F, we observed that cell survival and DEX resistance are attenuated upon eIF4F inhibition in MM cell lines and primary human samples. Dexamethasone 109-112 eukaryotic translation initiation factor 4E Homo sapiens 67-72 25197055-6 2014 Using a suite of small molecules that target various activities of eIF4F, we observed that cell survival and DEX resistance are attenuated upon eIF4F inhibition in MM cell lines and primary human samples. Dexamethasone 109-112 eukaryotic translation initiation factor 4E Homo sapiens 144-149 25197055-7 2014 Levels of MYC and myeloid cell leukemia 1, two known eIF4F-responsive transcripts and key survival factors in MM, were reduced upon eIF4F inhibition, and their independent suppression also synergized with DEX. Dexamethasone 205-208 eukaryotic translation initiation factor 4E Homo sapiens 132-137 24894874-3 2014 Recruitment of NS5A and eIF4E to 40S ribosome was confirmed by polysome fractionation, subcellular fractionation and high-salt-wash immunoprecipitation. Salts 122-126 eukaryotic translation initiation factor 4E Homo sapiens 24-29 25115391-4 2014 Here we report that 4EGI-1, an inhibitor of the interaction between translation initiation factors eIF4E1 and eIF4G1 effectively inhibits breast CSCs through selectively reducing translation persistent in breast CSCs. 4egi-1 20-26 eukaryotic translation initiation factor 4E Homo sapiens 99-105 24711125-3 2014 Mesothelioma cells were treated with 4Ei-1, a membrane permeable prodrug that when converted to the active drug, 7-benzyl guanosine monophosphate (7Bn-GMP) displaces capped mRNAs from the eIF4F complex. 7bn-gmp 147-154 eukaryotic translation initiation factor 4E Homo sapiens 188-193 24763507-4 2014 The effect of the 6-thioguanosine moiety on binding to the translation factor eIF4E and the efficiency of mRNA translation was determined. 6-thioguanosine 18-33 eukaryotic translation initiation factor 4E Homo sapiens 78-83 24970821-6 2014 These effects on expression of eIF4E-dependent proteins and ribosome assembly were mimicked by 2-24 h treatment with the pan-HDACi, trichostatin A (TSA), which induced acetylation of 15 different polysome-associated proteins including RPL24. trichostatin A 132-146 eukaryotic translation initiation factor 4E Homo sapiens 31-36 24970821-6 2014 These effects on expression of eIF4E-dependent proteins and ribosome assembly were mimicked by 2-24 h treatment with the pan-HDACi, trichostatin A (TSA), which induced acetylation of 15 different polysome-associated proteins including RPL24. trichostatin A 148-151 eukaryotic translation initiation factor 4E Homo sapiens 31-36 24345331-7 2014 The association between Ouabain and eIF4E not only raises the hope of using cardiac glycosides for cancer therapeutics more rational, but also offers a pharmacologic means for developing novel anti-cancer HIF-1alpha antagonists. Glycosides 84-94 eukaryotic translation initiation factor 4E Homo sapiens 36-41 24870236-3 2014 Therapies are under development to improve outcomes and include targeting the eukaryotic translation initiation factor (eIF4E) with its inhibitor ribavirin. Ribavirin 146-155 eukaryotic translation initiation factor 4E Homo sapiens 120-125 24859482-0 2014 Celastrol inhibits the HIF-1alpha pathway by inhibition of mTOR/p70S6K/eIF4E and ERK1/2 phosphorylation in human hepatoma cells. celastrol 0-9 eukaryotic translation initiation factor 4E Homo sapiens 71-76 24859482-8 2014 Markedly, we found that suppression of HIF-1alpha accumulation by celastrol correlated with strong dephosphorylation of mammalian target of rapamycin (mTOR) and its effectors, ribosomal protein S6 kinase (p70S6K) and eukaryotic initiation factor 4E (eIF4E) and extracellular signal-regulated kinase (ERK), pathways known to regulate HIF-1alpha expression at the translational level. celastrol 66-75 eukaryotic translation initiation factor 4E Homo sapiens 217-248 24859482-8 2014 Markedly, we found that suppression of HIF-1alpha accumulation by celastrol correlated with strong dephosphorylation of mammalian target of rapamycin (mTOR) and its effectors, ribosomal protein S6 kinase (p70S6K) and eukaryotic initiation factor 4E (eIF4E) and extracellular signal-regulated kinase (ERK), pathways known to regulate HIF-1alpha expression at the translational level. celastrol 66-75 eukaryotic translation initiation factor 4E Homo sapiens 250-255 24675136-2 2014 4EGI-1, (E/Z)-2-(2-(4-(3,4-dichlorophenyl)thiazol-2-yl)hydrazono)-3-(2-nitrophenyl)propanoic acid, is a hit compound discovered in a screening campaign of small molecule libraries as an inhibitor of translation initiation factors eIF4E and eIF4G protein-protein interaction; it inhibits translation initiation in vitro and in vivo. 4-amino-6-methyl-1,3,5-triazine-2-thiol 0-4 eukaryotic translation initiation factor 4E Homo sapiens 230-235 24675136-2 2014 4EGI-1, (E/Z)-2-(2-(4-(3,4-dichlorophenyl)thiazol-2-yl)hydrazono)-3-(2-nitrophenyl)propanoic acid, is a hit compound discovered in a screening campaign of small molecule libraries as an inhibitor of translation initiation factors eIF4E and eIF4G protein-protein interaction; it inhibits translation initiation in vitro and in vivo. 4EGI-1 compound 12-97 eukaryotic translation initiation factor 4E Homo sapiens 230-235 24675136-3 2014 A series of 4EGI-1-derived thiazol-2-yl hydrazones have been designed and synthesized in order to delineate the structural latitude and improve its binding affinity to eIF4E, and increase its potency in inhibiting the eIF4E/eIF4G interaction. 4egi-1-derived thiazol-2-yl hydrazones 12-50 eukaryotic translation initiation factor 4E Homo sapiens 168-173 24675136-3 2014 A series of 4EGI-1-derived thiazol-2-yl hydrazones have been designed and synthesized in order to delineate the structural latitude and improve its binding affinity to eIF4E, and increase its potency in inhibiting the eIF4E/eIF4G interaction. 4egi-1-derived thiazol-2-yl hydrazones 12-50 eukaryotic translation initiation factor 4E Homo sapiens 218-223 23624914-3 2014 Our recent study showed that both ERK and AKT signaling are required to activate eukaryotic translation initiation factor 4E (eIF4E)-initiated cap-dependent translation via convergent regulation of the translational repressor 4E-binding protein 1 (4E-BP1) for maintaining CRC transformation. cap 143-146 eukaryotic translation initiation factor 4E Homo sapiens 81-124 23624914-3 2014 Our recent study showed that both ERK and AKT signaling are required to activate eukaryotic translation initiation factor 4E (eIF4E)-initiated cap-dependent translation via convergent regulation of the translational repressor 4E-binding protein 1 (4E-BP1) for maintaining CRC transformation. cap 143-146 eukaryotic translation initiation factor 4E Homo sapiens 126-131 24363449-6 2014 RNAi-mediated knockdown of eIF4E reversed acquired resistance to AZD8055 in SW620:8055R cells; furthermore, increased expression of eIF4E was sufficient to reduce sensitivity to AZD8055 in a heterologous cell system. (5-(2,4-bis((3S)-3-methylmorpholin-4-yl)pyrido(2,3-d)pyrimidin-7-yl)-2-methoxyphenyl)methanol 65-72 eukaryotic translation initiation factor 4E Homo sapiens 27-32 23325513-3 2014 The eukaryotic translation initiation factor 4G (eIF4G) plays an important role in the formation of the translation initiation complex eIF4F consisting of eIF4G, the ATP dependent RNA helicase eIF4A and the cap binding protein eIF4E. Adenosine Triphosphate 166-169 eukaryotic translation initiation factor 4E Homo sapiens 135-140 23325513-3 2014 The eukaryotic translation initiation factor 4G (eIF4G) plays an important role in the formation of the translation initiation complex eIF4F consisting of eIF4G, the ATP dependent RNA helicase eIF4A and the cap binding protein eIF4E. Adenosine Triphosphate 166-169 eukaryotic translation initiation factor 4E Homo sapiens 227-232 24458973-0 2014 3-substituted indazoles as configurationally locked 4EGI-1 mimetics and inhibitors of the eIF4E/eIF4G interaction. 3-substituted indazoles 0-23 eukaryotic translation initiation factor 4E Homo sapiens 90-95 24458973-5 2014 In a structure-activity relationship study directed towards probing the structural latitude of this new chemotype as an inhibitor of eIF4E/eIF4G interaction and translation initiation we identified 1 d, an indazole-based 4EGI-1 mimetic, as a new and improved lead inhibitor of eIF4E/eIF4G interaction and a promising molecular probe candidate for elucidation of the role of cap-dependent translation initiation in a host of pathophysiological states. Indazoles 206-214 eukaryotic translation initiation factor 4E Homo sapiens 133-138 24363449-6 2014 RNAi-mediated knockdown of eIF4E reversed acquired resistance to AZD8055 in SW620:8055R cells; furthermore, increased expression of eIF4E was sufficient to reduce sensitivity to AZD8055 in a heterologous cell system. (5-(2,4-bis((3S)-3-methylmorpholin-4-yl)pyrido(2,3-d)pyrimidin-7-yl)-2-methoxyphenyl)methanol 178-185 eukaryotic translation initiation factor 4E Homo sapiens 27-32 24363449-6 2014 RNAi-mediated knockdown of eIF4E reversed acquired resistance to AZD8055 in SW620:8055R cells; furthermore, increased expression of eIF4E was sufficient to reduce sensitivity to AZD8055 in a heterologous cell system. (5-(2,4-bis((3S)-3-methylmorpholin-4-yl)pyrido(2,3-d)pyrimidin-7-yl)-2-methoxyphenyl)methanol 178-185 eukaryotic translation initiation factor 4E Homo sapiens 132-137 24551240-2 2014 The phosphorylation of eukaryotic translation initiation factor 4E (eIF4E) by MAP kinase-interacting kinases (Mnk) on Ser-209 promotes cellular proliferation, survival, malignant transformation and metastasis. Serine 118-121 eukaryotic translation initiation factor 4E Homo sapiens 23-66 24551240-2 2014 The phosphorylation of eukaryotic translation initiation factor 4E (eIF4E) by MAP kinase-interacting kinases (Mnk) on Ser-209 promotes cellular proliferation, survival, malignant transformation and metastasis. Serine 118-121 eukaryotic translation initiation factor 4E Homo sapiens 68-73 25150148-4 2014 The BH3-analogs were tested as substrates and binding partners for two major cytoplasmic cap-binding proteins, DcpS, a decapping pyrophosphatase, and eIF4E, a translation initiation factor. BH 3 4-7 eukaryotic translation initiation factor 4E Homo sapiens 150-155 24504069-5 2014 The oncogenic potential of eIF4E is strictly dependent on serine209 phosphorylation by upstream MAPK-interacting kinases (Mnks). serine209 58-67 eukaryotic translation initiation factor 4E Homo sapiens 27-32 24052408-0 2014 Superoxide activates mTOR-eIF4E-Bax route to induce enhanced apoptosis in leukemic cells. Superoxides 0-10 eukaryotic translation initiation factor 4E Homo sapiens 26-31 26097864-5 2014 We have recently reported that selective inhibition of mTORC1 by rapamycin or its analogs in medulloblastoma cells results in phosphorylation of eukaryotic translation initiation factor 4E (eIF4E) on serine-209, an event known to be associated with induction of protein translation and cell transformation. Sirolimus 65-74 eukaryotic translation initiation factor 4E Homo sapiens 145-188 26097864-5 2014 We have recently reported that selective inhibition of mTORC1 by rapamycin or its analogs in medulloblastoma cells results in phosphorylation of eukaryotic translation initiation factor 4E (eIF4E) on serine-209, an event known to be associated with induction of protein translation and cell transformation. Sirolimus 65-74 eukaryotic translation initiation factor 4E Homo sapiens 190-195 26097864-5 2014 We have recently reported that selective inhibition of mTORC1 by rapamycin or its analogs in medulloblastoma cells results in phosphorylation of eukaryotic translation initiation factor 4E (eIF4E) on serine-209, an event known to be associated with induction of protein translation and cell transformation. Serine 200-206 eukaryotic translation initiation factor 4E Homo sapiens 145-188 26097864-5 2014 We have recently reported that selective inhibition of mTORC1 by rapamycin or its analogs in medulloblastoma cells results in phosphorylation of eukaryotic translation initiation factor 4E (eIF4E) on serine-209, an event known to be associated with induction of protein translation and cell transformation. Serine 200-206 eukaryotic translation initiation factor 4E Homo sapiens 190-195 25150148-6 2014 Depending on its placement, the boranophosphate group weakened the interaction with DcpS but stabilized the interaction with eIF4E. boranophosphate 32-47 eukaryotic translation initiation factor 4E Homo sapiens 125-130 23934262-9 2013 RESULTS: Two compounds, 1,4-O-diferuloylsecoisolariciresinol (IM-1) and Pierreione B (IM-2), were identified which induced significant nuclear translocation of eIF4E in a panel of cancer cells. 1,4-O-diferuloylsecoisolariciresinol 24-60 eukaryotic translation initiation factor 4E Homo sapiens 160-165 24260583-0 2013 Targeting eukaryotic translation in mesothelioma cells with an eIF4E-specific antisense oligonucleotide. Oligonucleotides 88-103 eukaryotic translation initiation factor 4E Homo sapiens 63-68 24260583-2 2013 In this study, disabling the eIF4F complex by targeting eIF4E with eIF4E-specific antisense oligonucleotide (4EASO) is assessed as a therapy for mesothelioma. Oligonucleotides 92-107 eukaryotic translation initiation factor 4E Homo sapiens 29-34 24260583-2 2013 In this study, disabling the eIF4F complex by targeting eIF4E with eIF4E-specific antisense oligonucleotide (4EASO) is assessed as a therapy for mesothelioma. Oligonucleotides 92-107 eukaryotic translation initiation factor 4E Homo sapiens 56-61 24260583-2 2013 In this study, disabling the eIF4F complex by targeting eIF4E with eIF4E-specific antisense oligonucleotide (4EASO) is assessed as a therapy for mesothelioma. Oligonucleotides 92-107 eukaryotic translation initiation factor 4E Homo sapiens 67-72 24260583-2 2013 In this study, disabling the eIF4F complex by targeting eIF4E with eIF4E-specific antisense oligonucleotide (4EASO) is assessed as a therapy for mesothelioma. 4easo 109-114 eukaryotic translation initiation factor 4E Homo sapiens 29-34 24260583-2 2013 In this study, disabling the eIF4F complex by targeting eIF4E with eIF4E-specific antisense oligonucleotide (4EASO) is assessed as a therapy for mesothelioma. 4easo 109-114 eukaryotic translation initiation factor 4E Homo sapiens 56-61 24260583-2 2013 In this study, disabling the eIF4F complex by targeting eIF4E with eIF4E-specific antisense oligonucleotide (4EASO) is assessed as a therapy for mesothelioma. 4easo 109-114 eukaryotic translation initiation factor 4E Homo sapiens 67-72 24260583-8 2013 4EASO treatment resulted in dose dependent decrease in eIF4E levels, which corresponded to cytotoxicity of mesothelioma cells. 4easo 0-5 eukaryotic translation initiation factor 4E Homo sapiens 55-60 24260583-9 2013 4EASO resulted in decreased levels of eIF4E in non-malignant LP9 cells, but this did not correspond to increased cytotoxicity. 4easo 0-5 eukaryotic translation initiation factor 4E Homo sapiens 38-43 24219888-7 2013 RESULTS: Our results demonstrate that transient inhibition of eIF4E protects against cyclophosphamide-induced alopecia at the organismal level. Cyclophosphamide 85-101 eukaryotic translation initiation factor 4E Homo sapiens 62-67 23934262-9 2013 RESULTS: Two compounds, 1,4-O-diferuloylsecoisolariciresinol (IM-1) and Pierreione B (IM-2), were identified which induced significant nuclear translocation of eIF4E in a panel of cancer cells. pierreione B 72-84 eukaryotic translation initiation factor 4E Homo sapiens 160-165 23601822-10 2013 Finally, the nucleoproteins of JUNV, TCRV and PICV were able to interact with 7 methyl-guanosine (cap), suggesting that the independence of JUNV multiplication on eIF4E, the cap-binding protein, may be due to the replacement of this factor by N protein. 7-methylguanosine 78-96 eukaryotic translation initiation factor 4E Homo sapiens 163-168 23831578-0 2013 Rapamycin enhances eIF4E phosphorylation by activating MAP kinase-interacting kinase 2a (Mnk2a). Sirolimus 0-9 eukaryotic translation initiation factor 4E Homo sapiens 19-24 24086504-8 2013 For instance, our results indicate that the N7-methyl group of the classical N7-methyl guanosine cap is not always indispensable for binding to eIF4E and subsequently for translation when compensatory modifications are present on the capped residue. Guanosine 87-96 eukaryotic translation initiation factor 4E Homo sapiens 144-149 23829765-10 2013 The bis-MTX-ASO was shown to undergo endosomal escape resulting in the knock down of eIF4E with at least the same efficiency as ASO delivered by oligofectamine. bis-mtx-aso 4-15 eukaryotic translation initiation factor 4E Homo sapiens 85-90 23831578-3 2013 Rapamycin increases eIF4E phosphorylation in cancer cells, potentially limiting their anti-cancer effects. Sirolimus 0-9 eukaryotic translation initiation factor 4E Homo sapiens 20-25 23831578-4 2013 Here we show that the rapamycin-induced increase in eIF4E phosphorylation reflects increased activity of Mnk2 but not Mnk1. Sirolimus 22-31 eukaryotic translation initiation factor 4E Homo sapiens 52-57 23901100-8 2013 Finally, we have successfully separated the two functions of eIF4E to show that its helicase promoting activity increases the rate of translation by a mechanism that is distinct from its cap-binding function. cap 187-190 eukaryotic translation initiation factor 4E Homo sapiens 61-66 23974830-0 2013 Eukaryotic translation initiation factor 4E (eIF4E) expression is associated with breast cancer tumor phenotype and predicts survival after anthracycline chemotherapy treatment. Anthracyclines 140-153 eukaryotic translation initiation factor 4E Homo sapiens 0-43 23974830-0 2013 Eukaryotic translation initiation factor 4E (eIF4E) expression is associated with breast cancer tumor phenotype and predicts survival after anthracycline chemotherapy treatment. Anthracyclines 140-153 eukaryotic translation initiation factor 4E Homo sapiens 45-50 22797067-0 2013 Gemcitabine triggers a pro-survival response in pancreatic cancer cells through activation of the MNK2/eIF4E pathway. gemcitabine 0-11 eukaryotic translation initiation factor 4E Homo sapiens 103-108 23883783-9 2013 Erlotinib inhibits EGFR phosphorylation in EGFR-TKI resistant cells, however, results in activation of downstream signaling molecules including Akt and extracellular regulated kinase, ERK 1/2, resulting in maintenance of eukaryotic initiation factor 4F (eIF4F) activation. Erlotinib Hydrochloride 0-9 eukaryotic translation initiation factor 4E Homo sapiens 221-252 23883783-9 2013 Erlotinib inhibits EGFR phosphorylation in EGFR-TKI resistant cells, however, results in activation of downstream signaling molecules including Akt and extracellular regulated kinase, ERK 1/2, resulting in maintenance of eukaryotic initiation factor 4F (eIF4F) activation. Erlotinib Hydrochloride 0-9 eukaryotic translation initiation factor 4E Homo sapiens 254-259 23883783-10 2013 eIF4F cap-complex formation is maintained in erlotinib-resistant cells, but not in erlotinib-sensitive cells. Erlotinib Hydrochloride 45-54 eukaryotic translation initiation factor 4E Homo sapiens 0-5 23883783-11 2013 Finally, using an antisense oligonucleotide against eukaryotic translation initiation factor 4E and a small-molecule inhibitor to disrupt eIF4F formation, we show that cap-dependent translation inhibition can enhance sensitivity to erlotinib. Oligonucleotides 28-43 eukaryotic translation initiation factor 4E Homo sapiens 52-95 23883783-11 2013 Finally, using an antisense oligonucleotide against eukaryotic translation initiation factor 4E and a small-molecule inhibitor to disrupt eIF4F formation, we show that cap-dependent translation inhibition can enhance sensitivity to erlotinib. Erlotinib Hydrochloride 232-241 eukaryotic translation initiation factor 4E Homo sapiens 52-95 23883783-11 2013 Finally, using an antisense oligonucleotide against eukaryotic translation initiation factor 4E and a small-molecule inhibitor to disrupt eIF4F formation, we show that cap-dependent translation inhibition can enhance sensitivity to erlotinib. Erlotinib Hydrochloride 232-241 eukaryotic translation initiation factor 4E Homo sapiens 138-143 23872707-4 2013 We report here that hippuristanol (Hipp), a translation initiation inhibitor that selectively inhibits the eIF4F RNA helicase subunit, eIF4A, resensitizes Emu-Myc lymphomas to DNA damaging agents, including those that overexpress eIF4E-a modifier of rapamycin responsiveness. hippuristanol 20-33 eukaryotic translation initiation factor 4E Homo sapiens 107-112 23872707-4 2013 We report here that hippuristanol (Hipp), a translation initiation inhibitor that selectively inhibits the eIF4F RNA helicase subunit, eIF4A, resensitizes Emu-Myc lymphomas to DNA damaging agents, including those that overexpress eIF4E-a modifier of rapamycin responsiveness. hippuristanol 20-33 eukaryotic translation initiation factor 4E Homo sapiens 230-235 23872707-4 2013 We report here that hippuristanol (Hipp), a translation initiation inhibitor that selectively inhibits the eIF4F RNA helicase subunit, eIF4A, resensitizes Emu-Myc lymphomas to DNA damaging agents, including those that overexpress eIF4E-a modifier of rapamycin responsiveness. hippuristanol 35-39 eukaryotic translation initiation factor 4E Homo sapiens 107-112 23872707-4 2013 We report here that hippuristanol (Hipp), a translation initiation inhibitor that selectively inhibits the eIF4F RNA helicase subunit, eIF4A, resensitizes Emu-Myc lymphomas to DNA damaging agents, including those that overexpress eIF4E-a modifier of rapamycin responsiveness. hippuristanol 35-39 eukaryotic translation initiation factor 4E Homo sapiens 230-235 23872707-4 2013 We report here that hippuristanol (Hipp), a translation initiation inhibitor that selectively inhibits the eIF4F RNA helicase subunit, eIF4A, resensitizes Emu-Myc lymphomas to DNA damaging agents, including those that overexpress eIF4E-a modifier of rapamycin responsiveness. Sirolimus 250-259 eukaryotic translation initiation factor 4E Homo sapiens 107-112 23359369-0 2013 TGFbeta-induced PI 3 kinase-dependent Mnk-1 activation is necessary for Ser-209 phosphorylation of eIF4E and mesangial cell hypertrophy. Serine 72-75 eukaryotic translation initiation factor 4E Homo sapiens 99-104 23359369-2 2013 TGFbeta time-dependently stimulated eIF4E phosphorylation at Ser-209 concomitant with enhanced phosphorylation of Erk1/2 (extracellular signal regulated kinase1/2) and MEK (mitogen-activated and extracellular signal-regulated kinase kinase) in mesangial cells. Serine 61-64 eukaryotic translation initiation factor 4E Homo sapiens 36-41 23359369-5 2013 Pharmacological or dominant negative inhibition of phosphatidylinositol (PI) 3 kinase decreased MEK/Erk1/2 phosphorylation leading to suppression of eIF4E phosphorylation. Phosphatidylinositols 51-71 eukaryotic translation initiation factor 4E Homo sapiens 149-154 23359369-6 2013 Inducible phosphorylation of eIF4E at Ser-209 is mediated by Mnk-1 (mitogen-activated protein kinase signal-integrating kinase-1). Serine 38-41 eukaryotic translation initiation factor 4E Homo sapiens 29-34 23359369-13 2013 Moreover, we conclude that TGFbeta-induced noncanonical signaling circuit involving PI 3 kinase-dependent Mnk-1-mediated phosphorylation of eIF4E at Ser-209 is required to facilitate mesangial cell hypertrophy. Serine 149-152 eukaryotic translation initiation factor 4E Homo sapiens 140-145 23667251-0 2013 Hypoxia-inducible factor-1alpha (HIF-1alpha) promotes cap-dependent translation of selective mRNAs through up-regulating initiation factor eIF4E1 in breast cancer cells under hypoxia conditions. cap 54-57 eukaryotic translation initiation factor 4E Homo sapiens 139-145 23737503-4 2013 Here, we show that the MAP kinase interacting serine/threonine kinase (MNK)-eukaryotic translation initiation factor 4E (eIF4E) axis is overexpressed in BC GMPs but not normal HSCs, and that MNK kinase-dependent eIF4E phosphorylation at serine 209 activates beta-catenin signaling in BC GMPs. Serine 46-52 eukaryotic translation initiation factor 4E Homo sapiens 121-126 23737503-4 2013 Here, we show that the MAP kinase interacting serine/threonine kinase (MNK)-eukaryotic translation initiation factor 4E (eIF4E) axis is overexpressed in BC GMPs but not normal HSCs, and that MNK kinase-dependent eIF4E phosphorylation at serine 209 activates beta-catenin signaling in BC GMPs. Serine 46-52 eukaryotic translation initiation factor 4E Homo sapiens 212-217 23376634-3 2013 This was indicated by treatment with the mTORC1 inhibitor rapamycin, which suppressed both S6 kinase and 4E-BP1 phosphorylation (dephosphorylated 4E-BP1 binds and inactivates eIF4E), or by knockdown of eIF4E. Sirolimus 58-67 eukaryotic translation initiation factor 4E Homo sapiens 175-180 23376634-3 2013 This was indicated by treatment with the mTORC1 inhibitor rapamycin, which suppressed both S6 kinase and 4E-BP1 phosphorylation (dephosphorylated 4E-BP1 binds and inactivates eIF4E), or by knockdown of eIF4E. Sirolimus 58-67 eukaryotic translation initiation factor 4E Homo sapiens 202-207 23376634-9 2013 These data indicate that the cytostatic effect of rapamycin is suppression of both S6 kinase and eIF4E, while the cytotoxic effects are due suppression of eIF4E in the absence of S6 kinase-dependent activation of TGF-beta signals. Sirolimus 50-59 eukaryotic translation initiation factor 4E Homo sapiens 97-102 22797067-9 2013 Silencing of SRSF1 by RNAi abolished this splicing event and recapitulated the effects of MNK pharmacological or genetic inhibition on eIF4E phosphorylation and apoptosis in gemcitabine-treated cells. gemcitabine 174-185 eukaryotic translation initiation factor 4E Homo sapiens 135-140 22797067-10 2013 Our results highlight a novel pro-survival pathway triggered by gemcitabine in PDAC cells, which leads to MNK2-dependent phosphorylation of eIF4E, suggesting that the MNK/eIF4E pathway represents an escape route utilized by PDAC cells to withstand chemotherapeutic treatments. gemcitabine 64-75 eukaryotic translation initiation factor 4E Homo sapiens 140-145 22797067-10 2013 Our results highlight a novel pro-survival pathway triggered by gemcitabine in PDAC cells, which leads to MNK2-dependent phosphorylation of eIF4E, suggesting that the MNK/eIF4E pathway represents an escape route utilized by PDAC cells to withstand chemotherapeutic treatments. gemcitabine 64-75 eukaryotic translation initiation factor 4E Homo sapiens 171-176 23547259-5 2013 Here, we report a novel role of the mTORC1-eukaryotic translation initiation factor 4E (eIF4E) pathway, a key regulator of cap-dependent translation initiation of oncogenic factors, in SG formation. cap 123-126 eukaryotic translation initiation factor 4E Homo sapiens 88-93 23588929-0 2013 Upregulation of the eIF4E signaling pathway contributes to the progression of gastric cancer, and targeting eIF4E by perifosine inhibits cell growth. perifosine 117-127 eukaryotic translation initiation factor 4E Homo sapiens 108-113 23588929-12 2013 Perifosine downregulated the T-eIF4E and p-eIF4E levels in a dose- and time-dependent manner; it also inhibited the growth of gastric cancer cells. perifosine 0-10 eukaryotic translation initiation factor 4E Homo sapiens 31-36 23588929-12 2013 Perifosine downregulated the T-eIF4E and p-eIF4E levels in a dose- and time-dependent manner; it also inhibited the growth of gastric cancer cells. perifosine 0-10 eukaryotic translation initiation factor 4E Homo sapiens 43-48 23462168-4 2013 Cellular abundance of the mTORC1 components mTOR and (phosphorylated) mTOR(Ser2448) increased, as did complex eukaryotic initiation factor 4E:eukaryotic initiation factor 4E binding protein 1 (eIF4E:4EBP1), whereas no change was observed for mTORC1-downstream targets 4EBP1, 4EBP1(Ser65), p70/p85(S6K) and p70(S6K)Thre389/p85(S6K)Thre412. thre389 314-321 eukaryotic translation initiation factor 4E Homo sapiens 193-198 23583375-0 2013 Conformational changes induced in the eukaryotic translation initiation factor eIF4E by a clinically relevant inhibitor, ribavirin triphosphate. ribavirin 5'-triphosphate 121-143 eukaryotic translation initiation factor 4E Homo sapiens 79-84 23583375-2 2013 A potential anticancer agent, ribavirin, targets eIF4E activity in AML patients corresponding to clinical responses. Ribavirin 30-39 eukaryotic translation initiation factor 4E Homo sapiens 49-54 23583375-3 2013 To date, ribavirin is the only direct inhibitor of eIF4E to reach clinical trials. Ribavirin 9-18 eukaryotic translation initiation factor 4E Homo sapiens 51-56 23583375-4 2013 We showed that ribavirin acts as a competitive inhibitor of the methyl 7-guanosine (m(7)G) cap, the natural ligand of eIF4E. Ribavirin 15-24 eukaryotic translation initiation factor 4E Homo sapiens 118-123 23583375-4 2013 We showed that ribavirin acts as a competitive inhibitor of the methyl 7-guanosine (m(7)G) cap, the natural ligand of eIF4E. methyl 7-guanosine 64-82 eukaryotic translation initiation factor 4E Homo sapiens 118-123 23583375-5 2013 Here we examine the conformational changes occurring in human eIF4E upon binding the active metabolite of ribavirin, ribavirin triphosphate (RTP). Ribavirin 106-115 eukaryotic translation initiation factor 4E Homo sapiens 62-67 23583375-5 2013 Here we examine the conformational changes occurring in human eIF4E upon binding the active metabolite of ribavirin, ribavirin triphosphate (RTP). ribavirin 5'-triphosphate 117-139 eukaryotic translation initiation factor 4E Homo sapiens 62-67 23583375-5 2013 Here we examine the conformational changes occurring in human eIF4E upon binding the active metabolite of ribavirin, ribavirin triphosphate (RTP). ribavirin 5'-triphosphate 141-144 eukaryotic translation initiation factor 4E Homo sapiens 62-67 23509154-4 2013 Treatment of AML cells with cercosporamide resulted in a dose-dependent suppression of eIF4E phosphorylation. cercosporamide 28-42 eukaryotic translation initiation factor 4E Homo sapiens 87-92 23509154-5 2013 Such suppression of Mnk kinase activity and eIF4E phosphorylation by cercosporamide resulted in dose-dependent suppressive effects on primitive leukemic progenitors (CFU-L) from AML patients and enhanced the antileukemic properties of cytarabine (Ara-C) or mammalian target of rapamycin (mTOR) complex 1 inhibition. cercosporamide 69-83 eukaryotic translation initiation factor 4E Homo sapiens 44-49 23509154-5 2013 Such suppression of Mnk kinase activity and eIF4E phosphorylation by cercosporamide resulted in dose-dependent suppressive effects on primitive leukemic progenitors (CFU-L) from AML patients and enhanced the antileukemic properties of cytarabine (Ara-C) or mammalian target of rapamycin (mTOR) complex 1 inhibition. Cytarabine 235-245 eukaryotic translation initiation factor 4E Homo sapiens 44-49 23509154-7 2013 Altogether, this work demonstrates that the unique Mnk inhibitor cercosporamide suppresses phosphorylation of eIF4E and exhibits antileukemic effects, in support of future clinical-translational efforts involving combinations of Mnk inhibitors with cytarabine and/or mTOR inhibitors for the treatment of AML. cercosporamide 65-79 eukaryotic translation initiation factor 4E Homo sapiens 110-115 23462168-4 2013 Cellular abundance of the mTORC1 components mTOR and (phosphorylated) mTOR(Ser2448) increased, as did complex eukaryotic initiation factor 4E:eukaryotic initiation factor 4E binding protein 1 (eIF4E:4EBP1), whereas no change was observed for mTORC1-downstream targets 4EBP1, 4EBP1(Ser65), p70/p85(S6K) and p70(S6K)Thre389/p85(S6K)Thre412. thre412 330-337 eukaryotic translation initiation factor 4E Homo sapiens 193-198 23471078-8 2013 Western blot experiments showed that the eukaryotic translation initiation factor eIF4E is retained in the nucleus after LMB treatment. leptomycin B 121-124 eukaryotic translation initiation factor 4E Homo sapiens 82-87 23471078-9 2013 Blockade of eIF4E by ribavirin or overexpression of the promyelocytic leukemia protein (PML) decreased iNOS expression due to reduced iNOS mRNA export from the nucleus. Ribavirin 21-30 eukaryotic translation initiation factor 4E Homo sapiens 12-17 23628019-2 2013 SYBR Green I RT-PCR was used to assay the expression level of eIF4E mRNA extracted from bone marrow mononuclear cells in 30 patients with AML (6 in M2, 5 in M3, 8 in M4, 10 in M5, 1 in M6) and 20 patients with non-malignant hematologic diseases. sybr 0-4 eukaryotic translation initiation factor 4E Homo sapiens 62-67 23219983-4 2013 The structure of eIF4E bound to the cap mimic 7-methyl-GDP revealed that two tryptophans from different loops in eIF4E sandwiched the 7-methylguanine group between them. 7-methylguanosine 5'-diphosphate 46-58 eukaryotic translation initiation factor 4E Homo sapiens 17-22 23219983-4 2013 The structure of eIF4E bound to the cap mimic 7-methyl-GDP revealed that two tryptophans from different loops in eIF4E sandwiched the 7-methylguanine group between them. 7-methylguanosine 5'-diphosphate 46-58 eukaryotic translation initiation factor 4E Homo sapiens 113-118 23219983-4 2013 The structure of eIF4E bound to the cap mimic 7-methyl-GDP revealed that two tryptophans from different loops in eIF4E sandwiched the 7-methylguanine group between them. Tryptophan 77-88 eukaryotic translation initiation factor 4E Homo sapiens 17-22 23219983-4 2013 The structure of eIF4E bound to the cap mimic 7-methyl-GDP revealed that two tryptophans from different loops in eIF4E sandwiched the 7-methylguanine group between them. Tryptophan 77-88 eukaryotic translation initiation factor 4E Homo sapiens 113-118 23219983-4 2013 The structure of eIF4E bound to the cap mimic 7-methyl-GDP revealed that two tryptophans from different loops in eIF4E sandwiched the 7-methylguanine group between them. 7-methylguanine 134-149 eukaryotic translation initiation factor 4E Homo sapiens 17-22 23219983-4 2013 The structure of eIF4E bound to the cap mimic 7-methyl-GDP revealed that two tryptophans from different loops in eIF4E sandwiched the 7-methylguanine group between them. 7-methylguanine 134-149 eukaryotic translation initiation factor 4E Homo sapiens 113-118 23840271-8 2013 In addition, butein concentration-dependently repressed the phosphorylation of Akt, mTOR, and the major downstream effectors, p70S6K, 4E-BP1, and eIF4E in EPCs. butein 13-19 eukaryotic translation initiation factor 4E Homo sapiens 146-151 23289910-0 2013 Treatment of breast and lung cancer cells with a N-7 benzyl guanosine monophosphate tryptamine phosphoramidate pronucleotide (4Ei-1) results in chemosensitization to gemcitabine and induced eIF4E proteasomal degradation. n-7 benzyl guanosine monophosphate tryptamine phosphoramidate pronucleotide 49-124 eukaryotic translation initiation factor 4E Homo sapiens 190-195 23289910-2 2013 Binding protein eIF4E to N(7)-methylated guanosine capped mRNA has been found to be the rate-limiting step governing translation initiation, and therefore represents an attractive target for drug discovery. 4-(4-fluorophenyl)-2-methyl-6-(5-piperidinopentyloxy)pyrimidine hydrochloride 25-29 eukaryotic translation initiation factor 4E Homo sapiens 16-21 23289910-3 2013 Our group has found that 7-benzyl guanosine monophosphate (7Bn-GMP) is a potent antagonist of eIF4E cap binding (K(d) = 0.8 muM). SCHEMBL5367406 25-57 eukaryotic translation initiation factor 4E Homo sapiens 94-99 23289910-6 2013 Recently, we have prepared a tryptamine phosphoramidate prodrug of 7Bn-GMP, 4Ei-1, and shown that it is a substrate for human histidine triad nucleotide binding protein (hHINT1) and inhibits eIF4E initiated epithelial-mesenchymal transition (EMT) by Zebra fish embryo cells. tryptamine phosphoramidate 29-55 eukaryotic translation initiation factor 4E Homo sapiens 191-196 23085065-3 2012 Here, we show that translation of the mRNA with the Apaf-1 5" UTR is relatively resistant to apoptosis induced by etoposide when eIF4E is sequestered by 4E-BP and eIF4G is partially cleaved. Etoposide 114-123 eukaryotic translation initiation factor 4E Homo sapiens 129-134 22767218-8 2012 Moreover, direct targeting of eIF4F with constitutively active 4E-BP1 is significantly more potent in collaboration with bortezomib than rapamycin. Bortezomib 121-131 eukaryotic translation initiation factor 4E Homo sapiens 30-35 22968905-7 2012 Detailed protein interaction studies with immobilized anti-eIF4E and m(7) GTP-Sepharose showed a differential binding of the 4E-BP2 isoforms to the eIF4E variants and to the cap structure. (7) gtp-sepharose 70-87 eukaryotic translation initiation factor 4E Homo sapiens 148-153 22929805-10 2012 Moreover, the phosphorylation levels of mTOR, extracellular signal-regulated kinase (ERK), p70S6K, RP-S6, 4E-BP1, and eIF4E were significantly suppressed by sorafenib. Sorafenib 157-166 eukaryotic translation initiation factor 4E Homo sapiens 118-123 22985415-7 2012 Our data have important implications for the regulatory role of m(7)GDP in mRNA metabolic pathways due to its possible interactions with different cap-binding proteins, such as DcpS or eIF4E. Guanosine Diphosphate 68-71 eukaryotic translation initiation factor 4E Homo sapiens 185-190 22217516-5 2012 Similarly, soy peptide-induced phosphorylation of the ERK/mTOR/S6RP/eIF4E pathway was blocked in response to pretreatment with PD98059, a specific ERK inhibitor. 2-(2-amino-3-methoxyphenyl)-4H-1-benzopyran-4-one 127-134 eukaryotic translation initiation factor 4E Homo sapiens 68-73 22217516-6 2012 Moreover, inhibition of TGF-beta1 through PD98059 pretreatment and a consecutive decrease in ADSC proliferation revealed that TGF-beta1 induces the phosphorylation of mTOR/S6RP/eIF4E. 2-(2-amino-3-methoxyphenyl)-4H-1-benzopyran-4-one 42-49 eukaryotic translation initiation factor 4E Homo sapiens 177-182 22827930-4 2012 Treatment with LH/hCG increased the expression of downstream targets of mTORC1, ribosomal protein S6 kinase 1, and eukaryotic initiation factor 4E as well as steroidogenic enzymes. Luteinizing Hormone 15-17 eukaryotic translation initiation factor 4E Homo sapiens 80-146 22767218-8 2012 Moreover, direct targeting of eIF4F with constitutively active 4E-BP1 is significantly more potent in collaboration with bortezomib than rapamycin. Sirolimus 137-146 eukaryotic translation initiation factor 4E Homo sapiens 30-35 22614784-0 2012 Cryptotanshinone induces cell cycle arrest and apoptosis of multidrug resistant human chronic myeloid leukemia cells by inhibiting the activity of eukaryotic initiation factor 4E. cryptotanshinone 0-16 eukaryotic translation initiation factor 4E Homo sapiens 147-178 22748716-7 2012 OBJECTIVE: Analyze eIF4E involvement in EVT differentiation and function. EVT 40-43 eukaryotic translation initiation factor 4E Homo sapiens 19-24 22748716-14 2012 CONCLUSIONS: Our results suggest that eIF4E prevents final EVT differentiation and supports placental cell proliferation and survival. EVT 59-62 eukaryotic translation initiation factor 4E Homo sapiens 38-43 23259313-1 2012 OBJECTIVE: To study the expression of eIF4E, p-eIF4E (Ser 209) and Mcl-1 gene in the pathological scars and to investigate its role and its probable mechanism in the pathogenesis of abnormal scar. Serine 54-57 eukaryotic translation initiation factor 4E Homo sapiens 47-52 22556409-10 2012 Furthermore, ectopic expression of eIF-4E blunted pp242-induced ERK phosphorylation. PP242 50-55 eukaryotic translation initiation factor 4E Homo sapiens 35-41 22705549-7 2012 Moreover, H(2)O(2)-induced SGs are compositionally distinct from canonical SGs, and targeted knockdown of eIF4E, a protein required for canonical translation initiation, inhibits H(2)O(2)-induced SG assembly. Hydrogen Peroxide 179-187 eukaryotic translation initiation factor 4E Homo sapiens 106-111 22495651-0 2012 Cap-dependent translation initiation factor eIF4E: an emerging anticancer drug target. cap 0-3 eukaryotic translation initiation factor 4E Homo sapiens 44-49 22556409-11 2012 Since pp242 was more potent than rapamycin in causing sequestering of eIF-4E, a TORC1/4E-BP1/eIF-4E-mediated mechanism of ERK activation could explain the greater effectiveness of pp242. PP242 6-11 eukaryotic translation initiation factor 4E Homo sapiens 70-76 22556409-11 2012 Since pp242 was more potent than rapamycin in causing sequestering of eIF-4E, a TORC1/4E-BP1/eIF-4E-mediated mechanism of ERK activation could explain the greater effectiveness of pp242. Sirolimus 33-42 eukaryotic translation initiation factor 4E Homo sapiens 70-76 22556409-11 2012 Since pp242 was more potent than rapamycin in causing sequestering of eIF-4E, a TORC1/4E-BP1/eIF-4E-mediated mechanism of ERK activation could explain the greater effectiveness of pp242. PP242 180-185 eukaryotic translation initiation factor 4E Homo sapiens 70-76 22556409-11 2012 Since pp242 was more potent than rapamycin in causing sequestering of eIF-4E, a TORC1/4E-BP1/eIF-4E-mediated mechanism of ERK activation could explain the greater effectiveness of pp242. PP242 180-185 eukaryotic translation initiation factor 4E Homo sapiens 93-99 22231280-5 2012 Here we show that single-agent bortezomib treatment of MCL cell lines leads to G2/M arrest and induction of apoptosis accompanied by downregulation of EIF4E and CCND1 mRNA but upregulation of p15(INK4B) and p21 mRNA. Bortezomib 31-41 eukaryotic translation initiation factor 4E Homo sapiens 151-156 22392810-5 2012 Targeting the cap-binding pocket of eIF4E should represent a way to inhibit all the eIF4E cellular functions. cap 14-17 eukaryotic translation initiation factor 4E Homo sapiens 36-41 22392810-5 2012 Targeting the cap-binding pocket of eIF4E should represent a way to inhibit all the eIF4E cellular functions. cap 14-17 eukaryotic translation initiation factor 4E Homo sapiens 84-89 22678294-2 2012 The initial step of protein synthesis is the binding of the eukaryotic translation initiation factor 4E (eIF4E) to the 7-methylguanosine (m(7)-GpppG) 5" cap of messenger RNAs. 7-methylguanosine 119-136 eukaryotic translation initiation factor 4E Homo sapiens 60-103 22678294-2 2012 The initial step of protein synthesis is the binding of the eukaryotic translation initiation factor 4E (eIF4E) to the 7-methylguanosine (m(7)-GpppG) 5" cap of messenger RNAs. 7-methylguanosine 119-136 eukaryotic translation initiation factor 4E Homo sapiens 105-110 22678294-2 2012 The initial step of protein synthesis is the binding of the eukaryotic translation initiation factor 4E (eIF4E) to the 7-methylguanosine (m(7)-GpppG) 5" cap of messenger RNAs. 7-methyl-diguanosine triphosphate 138-148 eukaryotic translation initiation factor 4E Homo sapiens 60-103 22678294-2 2012 The initial step of protein synthesis is the binding of the eukaryotic translation initiation factor 4E (eIF4E) to the 7-methylguanosine (m(7)-GpppG) 5" cap of messenger RNAs. 7-methyl-diguanosine triphosphate 138-148 eukaryotic translation initiation factor 4E Homo sapiens 105-110 22678294-3 2012 Low oxygen tension (hypoxia) represses cap-mediated translation by sequestering eIF4E through mammalian target of rapamycin (mTOR)-dependent mechanisms. Oxygen 4-10 eukaryotic translation initiation factor 4E Homo sapiens 80-85 22678294-7 2012 We show that hypoxia stimulates the formation of a complex that includes the oxygen-regulated hypoxia-inducible factor 2alpha (HIF-2alpha), the RNA-binding protein RBM4 and the cap-binding eIF4E2, an eIF4E homologue. Oxygen 77-83 eukaryotic translation initiation factor 4E Homo sapiens 189-194 22397984-4 2012 Similarly, pharmacologic inhibition of eIF4E with ribavirin also enhanced tumor cell radiosensitivity. Ribavirin 50-59 eukaryotic translation initiation factor 4E Homo sapiens 39-44 21618507-7 2012 Treatment of cells with fisetin caused decrease in the protein expression of PI3K (p85 and p110), inhibition of phosphorylation of Akt, mTOR, p70S6K1, eIF-4E and 4E-BP1. fisetin 24-31 eukaryotic translation initiation factor 4E Homo sapiens 151-168 21876152-3 2011 Using genetically defined human mammary epithelial cells, we evolved resistance to the PI3K/mammalian target of rapamycin (mTOR) inhibitor BEZ235, and by genome-wide copy number analyses, we identified MYC and eIF4E amplification within the resistant cells. dactolisib 139-145 eukaryotic translation initiation factor 4E Homo sapiens 210-215 22236867-0 2012 Elevated expression of eukaryotic translation initiation factor 4E is associated with proliferation, invasion and acquired resistance to erlotinib in lung cancer. Erlotinib Hydrochloride 137-146 eukaryotic translation initiation factor 4E Homo sapiens 23-66 22236867-8 2012 By proteomics, we found that eIF4E levels were elevated in erlotinib-resistant cell lines compared with the sensitive parental cell line. Erlotinib Hydrochloride 59-68 eukaryotic translation initiation factor 4E Homo sapiens 29-34 22236867-9 2012 In agreement, assembly of the eIF4F cap complex and several oncogenic proteins regulated by the cap-dependent translation mechanism, were also increased in erlotinib-resistant cells. Erlotinib Hydrochloride 156-165 eukaryotic translation initiation factor 4E Homo sapiens 30-35 22236867-10 2012 Thus, erlotinib-resistant cells exhibit elevated eIF4E expression and cap-dependent translation. Erlotinib Hydrochloride 6-15 eukaryotic translation initiation factor 4E Homo sapiens 49-54 22236867-11 2012 Inhibition of eIF4F with different means (e.g., gene knockdown) downregulated c-Met expression and partially restored cell sensitivity to erlotinib, suggesting that elevated eIF4E contributes to development of erlotinib resistance, likely through positive regulation of c-Met expression. Erlotinib Hydrochloride 138-147 eukaryotic translation initiation factor 4E Homo sapiens 14-19 22236867-11 2012 Inhibition of eIF4F with different means (e.g., gene knockdown) downregulated c-Met expression and partially restored cell sensitivity to erlotinib, suggesting that elevated eIF4E contributes to development of erlotinib resistance, likely through positive regulation of c-Met expression. Erlotinib Hydrochloride 210-219 eukaryotic translation initiation factor 4E Homo sapiens 14-19 22236867-11 2012 Inhibition of eIF4F with different means (e.g., gene knockdown) downregulated c-Met expression and partially restored cell sensitivity to erlotinib, suggesting that elevated eIF4E contributes to development of erlotinib resistance, likely through positive regulation of c-Met expression. Erlotinib Hydrochloride 210-219 eukaryotic translation initiation factor 4E Homo sapiens 174-179 22236867-12 2012 Taken together, we suggest that elevated eIF4E in NSCLC cells is associated with proliferation, invasion and acquired erlotinib resistance. Erlotinib Hydrochloride 118-127 eukaryotic translation initiation factor 4E Homo sapiens 41-46 22392765-4 2012 The function of eIF4E is modulated through phosphorylation of a conserved serine (Ser209) by Mnk1 and Mnk2 downstream of ERK. Serine 74-80 eukaryotic translation initiation factor 4E Homo sapiens 16-21 21913890-6 2012 Molecular dynamics simulation suggested that the conserved PGVTS/T region functions as a kind of paste, adhering the root of both the eIF4E N-terminal and 4E-BP C-terminal flexible regions through a hydrophobic interaction, where valine is located at the crossing position of both flexible regions. Valine 230-236 eukaryotic translation initiation factor 4E Homo sapiens 134-139 21796793-6 2012 Recently, specific targeting of the eIF4E-dependent mRNA export pathway in a phase II proof-of-principle trial with ribavirin led to impaired eIF4E-dependent mRNA export correlating with clinical responses including remissions in leukemia patients. Ribavirin 116-125 eukaryotic translation initiation factor 4E Homo sapiens 36-41 21796793-6 2012 Recently, specific targeting of the eIF4E-dependent mRNA export pathway in a phase II proof-of-principle trial with ribavirin led to impaired eIF4E-dependent mRNA export correlating with clinical responses including remissions in leukemia patients. Ribavirin 116-125 eukaryotic translation initiation factor 4E Homo sapiens 142-147 22129918-3 2011 The role of eIF4E in oncogenic transformation and the development of a means to directly target its activity with ribavirin are discussed here. Ribavirin 114-123 eukaryotic translation initiation factor 4E Homo sapiens 12-17 20652449-4 2011 Importantly, we showed that silencing of eIF4E sensitized MDA-MB-231 cells to chemotherapeutic drugs of cisplatin, adriamycin, paclitaxel and docetaxel as assessed by MTT assay. Cisplatin 104-113 eukaryotic translation initiation factor 4E Homo sapiens 41-46 20652449-4 2011 Importantly, we showed that silencing of eIF4E sensitized MDA-MB-231 cells to chemotherapeutic drugs of cisplatin, adriamycin, paclitaxel and docetaxel as assessed by MTT assay. Doxorubicin 115-125 eukaryotic translation initiation factor 4E Homo sapiens 41-46 20652449-4 2011 Importantly, we showed that silencing of eIF4E sensitized MDA-MB-231 cells to chemotherapeutic drugs of cisplatin, adriamycin, paclitaxel and docetaxel as assessed by MTT assay. Paclitaxel 127-137 eukaryotic translation initiation factor 4E Homo sapiens 41-46 20652449-4 2011 Importantly, we showed that silencing of eIF4E sensitized MDA-MB-231 cells to chemotherapeutic drugs of cisplatin, adriamycin, paclitaxel and docetaxel as assessed by MTT assay. Docetaxel 142-151 eukaryotic translation initiation factor 4E Homo sapiens 41-46 20652449-4 2011 Importantly, we showed that silencing of eIF4E sensitized MDA-MB-231 cells to chemotherapeutic drugs of cisplatin, adriamycin, paclitaxel and docetaxel as assessed by MTT assay. monooxyethylene trimethylolpropane tristearate 167-170 eukaryotic translation initiation factor 4E Homo sapiens 41-46 22071574-5 2011 We report here that the apoptotic effects of high-dose rapamycin treatment correlate with suppressing phosphorylation of the mTOR complex 1 substrate, eukaryotic initiation factor 4E (eIF4E) binding protein-1 (4E-BP1). Sirolimus 55-64 eukaryotic translation initiation factor 4E Homo sapiens 151-182 22071574-10 2011 This study reveals that the apoptotic effect of rapamycin requires doses that completely dissociate Raptor from mTORC1 and suppress that phosphorylation of 4E-BP1 and inhibit eIF4E. Sirolimus 48-57 eukaryotic translation initiation factor 4E Homo sapiens 175-180 21750861-8 2011 After treatment with CGP57380, the MAP kinase-interacting kinase (MNK) inhibitor, downregulation of p-eIF4E levels was associated with an increase of E-cadherin and beta-catenin protein expression. CGP 57380 21-29 eukaryotic translation initiation factor 4E Homo sapiens 102-107 21965542-4 2011 These structures and Nuclear Magnetic Resonance (NMR) data indicate that the nematode Ascaris suum eIF4E binds the two different caps in a similar manner except for the loss of a single hydrogen bond on binding the m(2,2,7)G-cap. Hydrogen 186-194 eukaryotic translation initiation factor 4E Homo sapiens 99-104 21831956-0 2011 A phase 1 dose escalation, pharmacokinetic, and pharmacodynamic evaluation of eIF-4E antisense oligonucleotide LY2275796 in patients with advanced cancer. Oligonucleotides 95-110 eukaryotic translation initiation factor 4E Homo sapiens 78-84 21831956-0 2011 A phase 1 dose escalation, pharmacokinetic, and pharmacodynamic evaluation of eIF-4E antisense oligonucleotide LY2275796 in patients with advanced cancer. LY 2275796 111-120 eukaryotic translation initiation factor 4E Homo sapiens 78-84 21831956-1 2011 PURPOSE: The antisense oligonucleotide LY2275796 blocks expression of cap-binding protein eukaryotic initiation factor 4E (eIF-4E), an mRNA translation regulator upregulated in tumors. Oligonucleotides 23-38 eukaryotic translation initiation factor 4E Homo sapiens 123-129 21831956-1 2011 PURPOSE: The antisense oligonucleotide LY2275796 blocks expression of cap-binding protein eukaryotic initiation factor 4E (eIF-4E), an mRNA translation regulator upregulated in tumors. LY 2275796 39-48 eukaryotic translation initiation factor 4E Homo sapiens 123-129 21834756-7 2011 Sorafenib inhibited p-eIF4E Ser209, p-p38 Thr180/Tyr182 and reduced survivin expression. Sorafenib 0-9 eukaryotic translation initiation factor 4E Homo sapiens 22-27 21661078-1 2011 To clarify the higher eukaryotic initiation factor 4E (eIF4E) binding selectivity of 4E-binding protein 2 (4E-BP2) than of 4E-BP1, as determined by Trp fluorescence analysis, the crystal structure of the eIF4E binding region of 4E-BP2 in complex with m(7) GTP-bound human eIF4E has been determined by X-ray diffraction analysis and compared with that of 4E-BP1. (7) gtp 252-259 eukaryotic translation initiation factor 4E Homo sapiens 55-60 21661078-2 2011 The crystal structure revealed that the Pro47-Ser65 moiety of 4E-BP2 adopts a L-shaped conformation involving extended and alpha-helical structures and extends over the N-terminal loop and two different helix regions of eIF4E through hydrogen bonds, and electrostatic and hydrophobic interactions; these features were similarly observed for 4E-BP1. Hydrogen 234-242 eukaryotic translation initiation factor 4E Homo sapiens 220-225 21635931-7 2011 Levels of eIF4E phosphorylated at serine 209 (p-eIF4E-Ser209) and eIF4B phosphorylated at serine 504 (p-eIF4B-Ser504) were also examined. Serine 34-40 eukaryotic translation initiation factor 4E Homo sapiens 10-15 21717584-6 2011 Mammalian target of rapamycin complex 1 (mTORC1), which is negatively regulated by AMPK and plays a central role in cell growth and proliferation, was inhibited by metformin, as manifested by dephosphorylation of its downstream targets 40S ribosomal S6 kinase 1 (S6K1) (T389), the eukaryotic translation initiation factor 4E (eIF4E)-binding protein 1 (4E-BP1) (T37/46) and S6 (S235/236) in C666-1 cells. Metformin 164-173 eukaryotic translation initiation factor 4E Homo sapiens 281-324 21455212-0 2011 Inhibition of eIF4E with ribavirin cooperates with common chemotherapies in primary acute myeloid leukemia specimens. Ribavirin 25-34 eukaryotic translation initiation factor 4E Homo sapiens 14-19 21576371-6 2011 Using small interfering RNA (siRNA), we find that knockdown of raptor relieves autophagy and the eIF4E effector pathway from rapamycin resistance. Sirolimus 125-134 eukaryotic translation initiation factor 4E Homo sapiens 97-102 21645857-4 2011 To understand how this uncapped RNA is bound tightly by eIF4E, we employ SHAPE probing, phylogenetic comparisons with new PTEs discovered in panico- and carmoviruses, footprinting of the eIF4E binding site, and 3D RNA modeling using NAST, MC-Fold, and MC-Sym to predict a compact, 3D structure of the RNA. Methylcholanthrene 239-241 eukaryotic translation initiation factor 4E Homo sapiens 56-61 21645857-4 2011 To understand how this uncapped RNA is bound tightly by eIF4E, we employ SHAPE probing, phylogenetic comparisons with new PTEs discovered in panico- and carmoviruses, footprinting of the eIF4E binding site, and 3D RNA modeling using NAST, MC-Fold, and MC-Sym to predict a compact, 3D structure of the RNA. Methylcholanthrene 252-254 eukaryotic translation initiation factor 4E Homo sapiens 56-61 21645857-5 2011 We propose that the cap-binding pocket of eIF4E clamps around a pseudoknot, placing a highly SHAPE-reactive guanosine in the pocket in place of the normal m7GpppN cap. Guanosine 108-117 eukaryotic translation initiation factor 4E Homo sapiens 42-47 21389327-9 2011 Furthermore, inhibition of the eIF4E-C/EBPbeta axis by IMiD compounds was not observed in IMiD-resistant MM cells. imid 55-59 eukaryotic translation initiation factor 4E Homo sapiens 31-36 21364523-5 2011 The first inhibitors of translation, drugs designed to target eIF4E, have been trialed in hematologic malignancies, while antisense oligonucleotides against eIF4E are also due to enter clinical trials. Oligonucleotides 132-148 eukaryotic translation initiation factor 4E Homo sapiens 157-162 21415224-0 2011 Ribavirin treatment effects on breast cancers overexpressing eIF4E, a biomarker with prognostic specificity for luminal B-type breast cancer. Ribavirin 0-9 eukaryotic translation initiation factor 4E Homo sapiens 61-66 21415224-3 2011 EXPERIMENTAL DESIGN: Breast cancer cells were treated with ribavirin, an inhibitor of eIF4E, and effects on cell proliferation and on known mRNA targets of eIF4E were determined. Ribavirin 59-68 eukaryotic translation initiation factor 4E Homo sapiens 86-91 21415224-3 2011 EXPERIMENTAL DESIGN: Breast cancer cells were treated with ribavirin, an inhibitor of eIF4E, and effects on cell proliferation and on known mRNA targets of eIF4E were determined. Ribavirin 59-68 eukaryotic translation initiation factor 4E Homo sapiens 156-161 21415224-6 2011 RESULTS: At clinically relevant concentrations, ribavirin reduced cell proliferation and suppressed clonogenic potential, correlating with reduced mRNA export and protein expression of important eIF4E targets. Ribavirin 48-57 eukaryotic translation initiation factor 4E Homo sapiens 195-200 21406405-4 2011 Inhibition of MNK1 activity in GBM cells by the small molecule CGP57380 suppressed eIF4E phosphorylation, proliferation, and colony formation whereas concomitant treatment with CGP57380 and the mTOR inhibitor rapamycin accentuated growth inhibition and cell-cycle arrest. CGP 57380 63-71 eukaryotic translation initiation factor 4E Homo sapiens 83-88 21233335-4 2011 eIF4E can then be phosphorylated at serine 209 by the MAPK-interacting kinases (Mnk), which also interact with eIF4G. Serine 36-42 eukaryotic translation initiation factor 4E Homo sapiens 0-5 20499137-8 2011 Our data suggest that in PCNSL cells eIF4E phosphorylation plays an important role in proliferation and our results identify inhibition of the MNK1/eIF4E pathway as a potential therapeutic target in patients with PCNSL. pcnsl 25-30 eukaryotic translation initiation factor 4E Homo sapiens 37-42 21149447-4 2011 Our data demonstrate that IFNgamma treatment of sensitive cells results in engagement of Mnk1, activation of its kinase domain, and downstream phosphorylation of the cap-binding protein eIF4E on Ser-209. Serine 195-198 eukaryotic translation initiation factor 4E Homo sapiens 186-191 20706274-6 2011 Investigation of the molecular mechanism of Roc-mediated downregulation of c-FLIP revealed that it inhibits phosphorylation of the translation initiation factor 4E (eIF4E), a key factor that controls the rate-limiting step of translation, through inhibition of the MEK-ERK-MNK1 signaling pathway. rocaglamide 44-47 eukaryotic translation initiation factor 4E Homo sapiens 165-170 21283665-3 2011 METHODOLOGY/PRINCIPAL FINDINGS: To study structure-function relationships between pea eIF4E and PSbMV VPg, we obtained an X-ray structure for eIF4E(S) bound to m(7)GTP. (7)gtp 161-167 eukaryotic translation initiation factor 4E Homo sapiens 142-147 21283665-7 2011 The data showed that essential resistance determinants in eIF4E differed for different viruses although the critical region involved (possibly in VPg-binding) was conserved and partially overlapped with the m(7)GTP-binding region. Guanosine Triphosphate 211-214 eukaryotic translation initiation factor 4E Homo sapiens 58-63 21094167-4 2011 A novel peptide based on the eIF4E-binding peptide eIF4G1, where the alpha-helix was stabilized by the inclusion of alpha-helix inducers as shown by CD measurements, was synthesized. Cadmium 149-151 eukaryotic translation initiation factor 4E Homo sapiens 29-34 21075852-4 2011 IFNlambda-inducible phosphorylation/activation of RSK1 results in its dissociation from 4E-BP1 at the same time that 4E-BP1 dissociates from eIF4E to allow formation of eIF4F and initiation of cap-dependent translation. ifnlambda 0-9 eukaryotic translation initiation factor 4E Homo sapiens 141-146 21075852-4 2011 IFNlambda-inducible phosphorylation/activation of RSK1 results in its dissociation from 4E-BP1 at the same time that 4E-BP1 dissociates from eIF4E to allow formation of eIF4F and initiation of cap-dependent translation. ifnlambda 0-9 eukaryotic translation initiation factor 4E Homo sapiens 169-174 21949767-12 2011 MNK kinase mediated the eIF4E phosphorylation and inhibition or depletion of MNK markedly suppressed proliferation of the CTCL cells when combined with the rapamycin-mediated inhibition of mTORC1. Sirolimus 156-165 eukaryotic translation initiation factor 4E Homo sapiens 24-29 20854261-7 2010 Steroid replacements indicated that progesterone in combination with 17beta-oestradiol induced the formation of the 23 kDa eIF4E. Steroids 0-7 eukaryotic translation initiation factor 4E Homo sapiens 123-128 20854261-7 2010 Steroid replacements indicated that progesterone in combination with 17beta-oestradiol induced the formation of the 23 kDa eIF4E. Progesterone 36-48 eukaryotic translation initiation factor 4E Homo sapiens 123-128 20854261-7 2010 Steroid replacements indicated that progesterone in combination with 17beta-oestradiol induced the formation of the 23 kDa eIF4E. Estradiol 69-86 eukaryotic translation initiation factor 4E Homo sapiens 123-128 21799944-8 2010 The antitumor activity of CDDO-Me was associated with the inhibition of prosurvival p-Akt, NF-kappaB and mammalian target of rapamycin (mTOR) signaling proteins and the downstream targets of Akt and mTOR, such as p-Foxo3a (Akt) and p-S6K1, p-eIF-4E and p-4E-BP1 (mTOR). bardoxolone methyl 26-33 eukaryotic translation initiation factor 4E Homo sapiens 242-248 20971826-6 2010 Accordingly, enzastaurin treatment increases the amount of eIF4E bound to 4E-BP1 and decreases association of eIF4E with eIF4G, thereby reducing eIF4F translation initiation complex levels. enzastaurin 13-24 eukaryotic translation initiation factor 4E Homo sapiens 59-64 20971826-6 2010 Accordingly, enzastaurin treatment increases the amount of eIF4E bound to 4E-BP1 and decreases association of eIF4E with eIF4G, thereby reducing eIF4F translation initiation complex levels. enzastaurin 13-24 eukaryotic translation initiation factor 4E Homo sapiens 110-115 20971826-6 2010 Accordingly, enzastaurin treatment increases the amount of eIF4E bound to 4E-BP1 and decreases association of eIF4E with eIF4G, thereby reducing eIF4F translation initiation complex levels. enzastaurin 13-24 eukaryotic translation initiation factor 4E Homo sapiens 145-150 20971826-9 2010 Furthermore, eIF4E expression was increased and 4E-BP1 expression was decreased in cancer cells selected for reduced sensitivity to enzastaurin-induced apoptosis. enzastaurin 132-143 eukaryotic translation initiation factor 4E Homo sapiens 13-18 20971826-10 2010 These data highlight the importance of modulating 4E-BP1 function, and eIF4F complex levels, in the direct antitumor effect of enzastaurin and suggest that 4E-BP1 function may serve as a promising determinant of enzastaurin activity. enzastaurin 127-138 eukaryotic translation initiation factor 4E Homo sapiens 71-76 20686366-3 2010 MNKs phosphorylate eIF4E on serine 209, a modification that can be required for eIF4E-dependent cell transformation. Serine 28-34 eukaryotic translation initiation factor 4E Homo sapiens 19-24 20736160-10 2010 Thr(69) phosphorylation alone allows binding to eIF4E, and subsequent Thr(36)/Thr(45) phosphorylation was sufficient to dissociate 4E-BP1 from eIF4E, which led to eIF4E-4G interaction. Threonine 0-3 eukaryotic translation initiation factor 4E Homo sapiens 48-53 20686366-3 2010 MNKs phosphorylate eIF4E on serine 209, a modification that can be required for eIF4E-dependent cell transformation. Serine 28-34 eukaryotic translation initiation factor 4E Homo sapiens 80-85 20616046-4 2010 Furthermore, we reveal that LIMD1, Ajuba, and WTIP bind to Ago1/2, RCK, Dcp2, and eIF4E in vivo, that they are required for miRNA-mediated, but not siRNA-mediated gene silencing and that all three proteins bind to the mRNA 5" m(7)GTP cap-protein complex. (7)gtp 227-233 eukaryotic translation initiation factor 4E Homo sapiens 82-87 20629523-3 2010 In this case, ribavirin targets an oncogene, the eukaryotic translation initiation factor eIF4E, elevated in approximately 30% of cancers including many leukemias and lymphomas. Ribavirin 14-23 eukaryotic translation initiation factor 4E Homo sapiens 90-95 20629523-4 2010 Specifically, ribavirin impedes eIF4E mediated oncogenic transformation by acting as an inhibitor of eIF4E. Ribavirin 14-23 eukaryotic translation initiation factor 4E Homo sapiens 32-37 20629523-4 2010 Specifically, ribavirin impedes eIF4E mediated oncogenic transformation by acting as an inhibitor of eIF4E. Ribavirin 14-23 eukaryotic translation initiation factor 4E Homo sapiens 101-106 19826913-4 2010 The objective of this study was to exam the curcumin cytotoxic effect and modulation of two major rate-limiting translation initiation factors, including eIF2alpha and eIF4E protein expression levels in lung adenocarcinoma epithelial cell line A549. Curcumin 44-52 eukaryotic translation initiation factor 4E Homo sapiens 168-173 19826913-9 2010 These findings suggest that curcumin could reduce cell viability through prohibiting the initiation of protein synthesis by modulating eIF2alpha and eIF4E. Curcumin 28-36 eukaryotic translation initiation factor 4E Homo sapiens 149-154 20664001-4 2010 Cytarabine induced phosphorylation/activation of Mnk and Mnk-mediated phosphorylation of eIF4E on Ser209, as evidenced by studies involving pharmacological inhibition of Mnk or experiments using cells with targeted disruption of Mnk1 and Mnk2 genes. Cytarabine 0-10 eukaryotic translation initiation factor 4E Homo sapiens 89-94 20664001-7 2010 It is noteworthy that the mammalian target of rapamycin (mTOR) inhibitor rapamycin also induced phosphorylation of eIF4E in a Mnk-dependent manner, whereas inhibition strongly enhanced its antileukemic effects. Sirolimus 46-55 eukaryotic translation initiation factor 4E Homo sapiens 115-120 20927323-6 2010 Inhibition of PP2A using either okadaic acid or PP2A small interfering RNA (siRNA) increased eIF4E phosphorylation, which could be abolished by the presence of the Mnk inhibitor CGP57380 or deficiency of Mnk genes. Okadaic Acid 32-44 eukaryotic translation initiation factor 4E Homo sapiens 93-98 20927323-9 2010 m(7)GTP pull-down assay detected more eIF4G and phospho-eIF4E and less 4EBP-1 in PP2A siRNA-transfected cells than in control siRNA-transfected cells, indicating an increased cap binding of eIF4F complex. (7)gtp 1-7 eukaryotic translation initiation factor 4E Homo sapiens 56-61 20818934-6 2010 Ex vivo incubation of adult muscles with hydrogen peroxide mimicked the age-related decreases seen in eIF4E and 4EBP1 phosphorylation, whereas the inclusion of acetaminophen in the muscle bath attenuated this effect. Hydrogen Peroxide 41-58 eukaryotic translation initiation factor 4E Homo sapiens 102-117 20722422-1 2010 Mitogen-activated protein kinase-interacting kinases 1 and 2 (MNK1 and MNK2) phosphorylate the oncogene eIF4E on serine 209. Serine 113-119 eukaryotic translation initiation factor 4E Homo sapiens 104-109 20557982-0 2010 Synthesis and evaluation of quinazolinone derivatives as inhibitors of NF-kappaB, AP-1 mediated transcription and eIF-4E mediated translational activation: inhibitors of multi-pathways involve in cancer. Quinazolinones 28-41 eukaryotic translation initiation factor 4E Homo sapiens 114-120 20359850-5 2010 We demonstrated that transfection with PDCD4 or inhibition of JNK by SP600125 alters the expression and phosphorylation of eIF4E in the presence of H(2)O(2). pyrazolanthrone 69-77 eukaryotic translation initiation factor 4E Homo sapiens 123-128 20177775-5 2010 Rapamycin and its analogues are known to inhibit mTOR pathway; however, they also show simultaneous upregulation of Akt and eIF4E survival pathways on inhibition of mTOR, rendering cells more resistant to rapamycin treatment. Sirolimus 0-9 eukaryotic translation initiation factor 4E Homo sapiens 124-129 20177775-5 2010 Rapamycin and its analogues are known to inhibit mTOR pathway; however, they also show simultaneous upregulation of Akt and eIF4E survival pathways on inhibition of mTOR, rendering cells more resistant to rapamycin treatment. Sirolimus 205-214 eukaryotic translation initiation factor 4E Homo sapiens 124-129 20177775-6 2010 In this study we investigated the effect of combination treatment of rapamycin with isoflavones such as genistein and biochanin A on mTOR pathway and activation of Akt and eIF4E in human glioblastoma (U87) cells. Sirolimus 69-78 eukaryotic translation initiation factor 4E Homo sapiens 172-177 20177775-6 2010 In this study we investigated the effect of combination treatment of rapamycin with isoflavones such as genistein and biochanin A on mTOR pathway and activation of Akt and eIF4E in human glioblastoma (U87) cells. Isoflavones 84-95 eukaryotic translation initiation factor 4E Homo sapiens 172-177 20177775-6 2010 In this study we investigated the effect of combination treatment of rapamycin with isoflavones such as genistein and biochanin A on mTOR pathway and activation of Akt and eIF4E in human glioblastoma (U87) cells. Genistein 104-113 eukaryotic translation initiation factor 4E Homo sapiens 172-177 20177775-7 2010 Our results show that combination treatment of rapamycin with isoflavones, especially biochanin A at 50 muM, decreased the phosphorylation of Akt and eIF4E proteins and rendered U87 cells more sensitive to rapamycin treatment when compared to cells treated with rapamycin alone. Sirolimus 47-56 eukaryotic translation initiation factor 4E Homo sapiens 150-155 20177775-7 2010 Our results show that combination treatment of rapamycin with isoflavones, especially biochanin A at 50 muM, decreased the phosphorylation of Akt and eIF4E proteins and rendered U87 cells more sensitive to rapamycin treatment when compared to cells treated with rapamycin alone. Isoflavones 62-73 eukaryotic translation initiation factor 4E Homo sapiens 150-155 20616046-5 2010 Mechanistically, we propose the Ajuba LIM proteins interact with the m(7)GTP cap structure via a specific interaction with eIF4E that prevents 4EBP1 and eIF4G interaction. (7)gtp 70-76 eukaryotic translation initiation factor 4E Homo sapiens 123-128 20142804-3 2010 Here, we show that hydrogen peroxide (H(2)O(2)), a major oxidant generated when oxidative stress occurs, induced apoptosis of neuronal cells (PC12 cells and primary murine neurons), by inhibiting the mammalian target of rapamycin (mTOR)-mediated phosphorylation of ribosomal p70 S6 kinase (S6K1) and eukaryotic initiation factor 4E (eIF4E)-binding protein 1 (4E-BP1). Hydrogen Peroxide 19-36 eukaryotic translation initiation factor 4E Homo sapiens 300-331 20142804-3 2010 Here, we show that hydrogen peroxide (H(2)O(2)), a major oxidant generated when oxidative stress occurs, induced apoptosis of neuronal cells (PC12 cells and primary murine neurons), by inhibiting the mammalian target of rapamycin (mTOR)-mediated phosphorylation of ribosomal p70 S6 kinase (S6K1) and eukaryotic initiation factor 4E (eIF4E)-binding protein 1 (4E-BP1). Hydrogen Peroxide 38-46 eukaryotic translation initiation factor 4E Homo sapiens 300-331 20354178-5 2010 The inhibition in translation caused by sertraline is associated with decreased levels of the eukaryotic initiation factor (eIF) 4F complex, altered localization of eIF4E, and increased eIF2alpha phosphorylation. Sertraline 40-50 eukaryotic translation initiation factor 4E Homo sapiens 165-170 19220580-5 2009 Sorafenib-induced growth suppression and apoptosis were associated with inhibition of angiogenesis, down-regulation of phospho-platelet-derived growth factor receptor beta Tyr1021, phospho-eIF4E Ser209, phospho-c-Raf Ser259, c-Raf, Mcl-1, Bcl-2, Bcl-x and positive cell cycle regulators, up-regulation of apoptosis signalling kinase-1, p27 and p21. Sorafenib 0-9 eukaryotic translation initiation factor 4E Homo sapiens 189-194 20060622-2 2010 Association of the cap-binding protein eIF4E with N(7)-methylated guanosine capped mRNA is the rate limiting step governing translation initiation; and therefore represents an attractive process for cancer drug discovery. 4-(4-fluorophenyl)-2-methyl-6-(5-piperidinopentyloxy)pyrimidine hydrochloride 50-54 eukaryotic translation initiation factor 4E Homo sapiens 39-44 20060622-2 2010 Association of the cap-binding protein eIF4E with N(7)-methylated guanosine capped mRNA is the rate limiting step governing translation initiation; and therefore represents an attractive process for cancer drug discovery. Guanosine 66-75 eukaryotic translation initiation factor 4E Homo sapiens 39-44 20060622-3 2010 Previously, replacement of the 7-Me group of the Me(7)-guanosine monophosphate with a benzyl group has been found to increase binding affinity to eIF4E. 7-me 31-35 eukaryotic translation initiation factor 4E Homo sapiens 146-151 20060622-3 2010 Previously, replacement of the 7-Me group of the Me(7)-guanosine monophosphate with a benzyl group has been found to increase binding affinity to eIF4E. me(7)-guanosine monophosphate 49-78 eukaryotic translation initiation factor 4E Homo sapiens 146-151 20060622-5 2010 To explore the structure-activity relationships governing the affinity of N(7)-benzylated guanosine monophosphate (Bn(7)-GMP) for eIF4E, we virtually screened a library of 80 Bn(7)-GMP analogs utilizing CombiGlide as implemented in Schrodinger. 4-(4-fluorophenyl)-2-methyl-6-(5-piperidinopentyloxy)pyrimidine hydrochloride 74-78 eukaryotic translation initiation factor 4E Homo sapiens 130-135 20060622-5 2010 To explore the structure-activity relationships governing the affinity of N(7)-benzylated guanosine monophosphate (Bn(7)-GMP) for eIF4E, we virtually screened a library of 80 Bn(7)-GMP analogs utilizing CombiGlide as implemented in Schrodinger. Guanosine Monophosphate 90-113 eukaryotic translation initiation factor 4E Homo sapiens 130-135 20060622-5 2010 To explore the structure-activity relationships governing the affinity of N(7)-benzylated guanosine monophosphate (Bn(7)-GMP) for eIF4E, we virtually screened a library of 80 Bn(7)-GMP analogs utilizing CombiGlide as implemented in Schrodinger. 6-bromo-2-naphthyl sulfate 115-117 eukaryotic translation initiation factor 4E Homo sapiens 130-135 20154140-0 2010 The nematode eukaryotic translation initiation factor 4E/G complex works with a trans-spliced leader stem-loop to enable efficient translation of trimethylguanosine-capped RNAs. trimethylguanosine 146-164 eukaryotic translation initiation factor 4E Homo sapiens 13-56 20101233-12 2010 Forced overexpression of eIF4E induces resistance to androgen-withdrawal and paclitaxel treatment in the prostate LNCaP cells in vitro. Paclitaxel 77-87 eukaryotic translation initiation factor 4E Homo sapiens 25-30 20227039-2 2010 While phosphorylation of rpS6 is dispensable for cancer formation, 4EBP-eIF4E exerts significant control over cap-dependent translation, cell growth, cancer initiation, and progression. cap 110-113 eukaryotic translation initiation factor 4E Homo sapiens 72-77 20227039-5 2010 The therapeutic benefit of PP242 is mediated through inhibition of mTORC1-dependent 4EBP-eIF4E hyperactivation. PP242 27-32 eukaryotic translation initiation factor 4E Homo sapiens 89-94 20145189-7 2010 In the immortalized, leukoplakia, and cancer cells, curcumin inhibited cap-dependent translation by suppressing the phosphorylation of 4E-BP1, eIF4G, eIF4B, and Mnk1, and also reduced the total levels of eIF4E and Mnk1. Curcumin 52-60 eukaryotic translation initiation factor 4E Homo sapiens 204-209 19765649-6 2010 Resveratrol inhibited high glucose-induced changes in association of eIF4E with eIF4G, phosphorylation of eIF4E, eEF2, eEF2 kinase and, p70S6 kinase, indicating that it affects important events in both initiation and elongation phases of mRNA translation. Resveratrol 0-11 eukaryotic translation initiation factor 4E Homo sapiens 69-74 19765649-6 2010 Resveratrol inhibited high glucose-induced changes in association of eIF4E with eIF4G, phosphorylation of eIF4E, eEF2, eEF2 kinase and, p70S6 kinase, indicating that it affects important events in both initiation and elongation phases of mRNA translation. Resveratrol 0-11 eukaryotic translation initiation factor 4E Homo sapiens 106-111 19765649-6 2010 Resveratrol inhibited high glucose-induced changes in association of eIF4E with eIF4G, phosphorylation of eIF4E, eEF2, eEF2 kinase and, p70S6 kinase, indicating that it affects important events in both initiation and elongation phases of mRNA translation. Glucose 27-34 eukaryotic translation initiation factor 4E Homo sapiens 69-74 19765649-6 2010 Resveratrol inhibited high glucose-induced changes in association of eIF4E with eIF4G, phosphorylation of eIF4E, eEF2, eEF2 kinase and, p70S6 kinase, indicating that it affects important events in both initiation and elongation phases of mRNA translation. Glucose 27-34 eukaryotic translation initiation factor 4E Homo sapiens 106-111 19934253-5 2010 Here we show that anisomycin-induced CHOP expression depends on phosphorylated eIF4E/S209 and eIF2alpha/S51. Anisomycin 18-28 eukaryotic translation initiation factor 4E Homo sapiens 79-84 19934253-8 2010 We also demonstrated that anisomycin-induced translation is tightly regulated by partner binding preference of eIF4E. Anisomycin 26-36 eukaryotic translation initiation factor 4E Homo sapiens 111-116 19934253-9 2010 Furthermore, mutating the uORF sequence abolished the anisomycin-induced association of chop mRNA with phospho-eIF4E and polysomes, thus demonstrating the significance of this cis-regulatory element in conferring on the transcript a stress-responsive translational inducibility. Anisomycin 54-64 eukaryotic translation initiation factor 4E Homo sapiens 111-116 19924990-3 2009 Biophysical studies of the association between eIF4E and various cap analogs have demonstrated that m(7)GTP binds to the protein ca. (7)gtp 101-107 eukaryotic translation initiation factor 4E Homo sapiens 47-52 19924990-6 2009 To address the role of the 7-methyl group in the eIF4E/m7GpppX cap interaction, binding free energies have been computed for m(7)GTP, GTP, protonated GTP at N(7), the 7-methyldeazaguanosine 5"-triphosphate (m(7)DTP), and 7-deazaguanosine 5"-triphosphate (DTP) cap analogs. (7)gtp 126-132 eukaryotic translation initiation factor 4E Homo sapiens 49-54 19850929-0 2009 The Hsp90 inhibitor geldanamycin abrogates colocalization of eIF4E and eIF4E-transporter into stress granules and association of eIF4E with eIF4G. geldanamycin 20-32 eukaryotic translation initiation factor 4E Homo sapiens 61-66 19850929-0 2009 The Hsp90 inhibitor geldanamycin abrogates colocalization of eIF4E and eIF4E-transporter into stress granules and association of eIF4E with eIF4G. geldanamycin 20-32 eukaryotic translation initiation factor 4E Homo sapiens 71-76 19850929-6 2009 Furthermore, the amount of eIF4G that is associated with the cap via eIF4E is reduced by geldanamycin treatment. geldanamycin 89-101 eukaryotic translation initiation factor 4E Homo sapiens 69-74 19858189-0 2009 Kinetic mechanism for the binding of eIF4F and tobacco Etch virus internal ribosome entry site rna: effects of eIF4B and poly(A)-binding protein. Poly A 121-128 eukaryotic translation initiation factor 4E Homo sapiens 37-42 19858189-10 2009 Poly(A)-binding protein and eIF4B mainly affect the eIF4F/TEV association rate. Poly A 0-7 eukaryotic translation initiation factor 4E Homo sapiens 52-57 19710013-7 2009 The structure suggests an alternate orientation of a conserved, key Glu-90 in the cap-binding pocket that may contribute to dual binding specificity and a position for mRNA bound to eIF4E consistent with biochemical data. Glutamic Acid 68-71 eukaryotic translation initiation factor 4E Homo sapiens 182-187 19708031-0 2009 Expression of eukaryotic initiation factor 4E predicts clinical outcome in patients with mantle cell lymphoma treated with hyper-CVAD and rituximab, alternating with rituximab, high-dose methotrexate, and cytarabine. Methotrexate 187-199 eukaryotic translation initiation factor 4E Homo sapiens 14-45 19708031-0 2009 Expression of eukaryotic initiation factor 4E predicts clinical outcome in patients with mantle cell lymphoma treated with hyper-CVAD and rituximab, alternating with rituximab, high-dose methotrexate, and cytarabine. Cytarabine 205-215 eukaryotic translation initiation factor 4E Homo sapiens 14-45 19641186-4 2009 Subsequent investigations revealed that rapamycin also activated eIF4E and the mTORC2 target Akt, suggesting a potential mechanism of rapamycin resistance. Sirolimus 40-49 eukaryotic translation initiation factor 4E Homo sapiens 65-70 19714237-5 2009 Nevertheless, eIF4F components are indispensable for ASFV protein synthesis and virus spread, since eIF4E or eIF4G depletion in COS-7 or Vero cells strongly prevents accumulation of viral proteins and decreases virus titre. carbonyl sulfide 128-131 eukaryotic translation initiation factor 4E Homo sapiens 14-19 19714237-5 2009 Nevertheless, eIF4F components are indispensable for ASFV protein synthesis and virus spread, since eIF4E or eIF4G depletion in COS-7 or Vero cells strongly prevents accumulation of viral proteins and decreases virus titre. carbonyl sulfide 128-131 eukaryotic translation initiation factor 4E Homo sapiens 100-105 19628077-3 2009 High eukaryotic Initiation Factor 4E (eIF4E) overexpression in tumor specimens is an independent predictor for relapse in breast cancer, perhaps secondary to tousled-like kinase 1B upregulation and subsequent doxorubicin resistance. Doxorubicin 209-220 eukaryotic translation initiation factor 4E Homo sapiens 5-36 19628077-3 2009 High eukaryotic Initiation Factor 4E (eIF4E) overexpression in tumor specimens is an independent predictor for relapse in breast cancer, perhaps secondary to tousled-like kinase 1B upregulation and subsequent doxorubicin resistance. Doxorubicin 209-220 eukaryotic translation initiation factor 4E Homo sapiens 38-43 19433856-0 2009 Molecular targeting of the oncogene eIF4E in acute myeloid leukemia (AML): a proof-of-principle clinical trial with ribavirin. Ribavirin 116-125 eukaryotic translation initiation factor 4E Homo sapiens 36-41 19440045-0 2009 Crystallization of eIF4E complexed with eIF4GI peptide and glycerol reveals distinct structural differences around the cap-binding site. Glycerol 59-67 eukaryotic translation initiation factor 4E Homo sapiens 19-24 19440045-2 2009 One of these complexes has m(7)GTP bound in a conformation which has been observed in several eIF4E crystal structures, whilst the other complex is free of m(7)GTP and contains a unique glycerol. (7)gtp 28-34 eukaryotic translation initiation factor 4E Homo sapiens 94-99 19440045-2 2009 One of these complexes has m(7)GTP bound in a conformation which has been observed in several eIF4E crystal structures, whilst the other complex is free of m(7)GTP and contains a unique glycerol. Glycerol 186-194 eukaryotic translation initiation factor 4E Homo sapiens 94-99 19440045-7 2009 This novel conformation of eIF4E with glycerol bound is hypothesized to be an intermediate state between the apo and m(7)GTP bound forms of eIF4E. Glycerol 38-46 eukaryotic translation initiation factor 4E Homo sapiens 27-32 19440045-7 2009 This novel conformation of eIF4E with glycerol bound is hypothesized to be an intermediate state between the apo and m(7)GTP bound forms of eIF4E. Glycerol 38-46 eukaryotic translation initiation factor 4E Homo sapiens 140-145 19440045-7 2009 This novel conformation of eIF4E with glycerol bound is hypothesized to be an intermediate state between the apo and m(7)GTP bound forms of eIF4E. (7)gtp 118-124 eukaryotic translation initiation factor 4E Homo sapiens 27-32 19440045-7 2009 This novel conformation of eIF4E with glycerol bound is hypothesized to be an intermediate state between the apo and m(7)GTP bound forms of eIF4E. (7)gtp 118-124 eukaryotic translation initiation factor 4E Homo sapiens 140-145 19189297-5 2009 The antitumor activity of CDDO-Me was associated with the inhibition of p-Akt, mammalian target of rapamycin (mTOR), and nuclear factor kappa B (NF-kappaB) signaling proteins and their downstream targets such as p-Bad and p-Foxo3a (Akt); p-S6K1, p-eIF-4E and p-4E-BP1 (mTOR); and COX-2, VEGF and cyclin D1(NF-kappaB). bardoxolone methyl 26-33 eukaryotic translation initiation factor 4E Homo sapiens 248-254 19383915-7 2009 In these prostate cancer cells, reducing eIF4E expression with an eIF4E-specific antisense oligonucleotide currently in phase I clinical trials robustly induces apoptosis, regardless of cell cycle phase, and reduces expression of the eIF4E-regulated proteins BCL-2 and c-myc. Oligonucleotides 91-106 eukaryotic translation initiation factor 4E Homo sapiens 41-46 19383915-7 2009 In these prostate cancer cells, reducing eIF4E expression with an eIF4E-specific antisense oligonucleotide currently in phase I clinical trials robustly induces apoptosis, regardless of cell cycle phase, and reduces expression of the eIF4E-regulated proteins BCL-2 and c-myc. Oligonucleotides 91-106 eukaryotic translation initiation factor 4E Homo sapiens 66-71 19383915-7 2009 In these prostate cancer cells, reducing eIF4E expression with an eIF4E-specific antisense oligonucleotide currently in phase I clinical trials robustly induces apoptosis, regardless of cell cycle phase, and reduces expression of the eIF4E-regulated proteins BCL-2 and c-myc. Oligonucleotides 91-106 eukaryotic translation initiation factor 4E Homo sapiens 66-71 19433856-2 2009 The oncogenic potential of eIF4E arises from its ability to bind the 7-methyl guanosine (m(7)G) cap on mRNAs, thereby selectively enhancing eIF4E-dependent nuclear mRNA export and translation. 7-methylguanosine 69-87 eukaryotic translation initiation factor 4E Homo sapiens 27-32 19433856-3 2009 We tested the clinical efficacy of targeting eIF4E in M4/M5 AML patients with a physical mimic of the m(7)G cap, ribavirin. Ribavirin 113-122 eukaryotic translation initiation factor 4E Homo sapiens 45-50 19433856-5 2009 Ribavirin-induced relocalization of nuclear eIF4E to the cytoplasm and reduction of eIF4E levels were associated with clinical response. Ribavirin 0-9 eukaryotic translation initiation factor 4E Homo sapiens 44-49 19433856-5 2009 Ribavirin-induced relocalization of nuclear eIF4E to the cytoplasm and reduction of eIF4E levels were associated with clinical response. Ribavirin 0-9 eukaryotic translation initiation factor 4E Homo sapiens 84-89 19159466-3 2009 1 describes an MC sequence region identified in Ago2 that displays similarity to the cap-binding motif in translation initiation factor 4E (eIF4E). cap 85-88 eukaryotic translation initiation factor 4E Homo sapiens 140-145 19122207-3 2009 Surprisingly, the effect of m(7)GTP on both the rate constants and equilibrium binding constants for the interactions of VPg differed for the four eIF4E orthologues. 7-methylguanosine triphosphate 28-35 eukaryotic translation initiation factor 4E Homo sapiens 147-152 18327707-0 2009 Tumor-specific RNAi targeting eIF4E suppresses tumor growth, induces apoptosis and enhances cisplatin cytotoxicity in human breast carcinoma cells. Cisplatin 92-101 eukaryotic translation initiation factor 4E Homo sapiens 30-35 18327707-16 2009 Furthermore, we also testified that eIF4E-shRNA could synergistically enhance the cytotoxicity effects of cisplatin to MCF-7 cells both in vitro and in vivo. Cisplatin 106-115 eukaryotic translation initiation factor 4E Homo sapiens 36-41 18327707-18 2009 Thus, eIF4E might play an important role in chemosensitivity to cisplatin, and survivin promoter-driven RNAi targeting eIF4E can be used as adjuvant therapy for human breast carcinomas with tumor specificity and high efficacy. Cisplatin 64-73 eukaryotic translation initiation factor 4E Homo sapiens 6-11 19176385-3 2009 Recently, we have shown that curcumin inhibits phosphorylation of p70 S6 kinase 1 (S6K1) and eukaryotic initiation factor 4E (eIF4E) binding protein 1 (4E-BP1), two downstream effector molecules of the mammalian target of rapamycin complex 1 (mTORC1) in numerous cancer cell lines. Curcumin 29-37 eukaryotic translation initiation factor 4E Homo sapiens 93-124 19159466-4 2009 In a cap-bound eIF4E structure, two important aromatic residues of the motif stack on either side of a 7-methylguanosine 5"-triphosphate (m7Gppp) base. 7-methylguanosine triphosphate 103-136 eukaryotic translation initiation factor 4E Homo sapiens 15-20 19159466-4 2009 In a cap-bound eIF4E structure, two important aromatic residues of the motif stack on either side of a 7-methylguanosine 5"-triphosphate (m7Gppp) base. m7gppp 138-144 eukaryotic translation initiation factor 4E Homo sapiens 15-20 19159466-7 2009 RESULTS: A number of sequence-based and structure-based bioinformatics methods reveal the reported similarity between the Ago2 MC sequence region and the eIF4E cap-binding motif to be spurious. Methylcholanthrene 127-129 eukaryotic translation initiation factor 4E Homo sapiens 154-159 19134194-6 2009 In the TMAs, eIF4E levels correlated strongly with c-Myc, cyclin D1, TLK1B, VEGF, and ODC. 4,4-dimethylcholesta-8,14-dien-3-ol 7-11 eukaryotic translation initiation factor 4E Homo sapiens 13-18 19159466-12 2009 Mapping of the MC sequence to the mid domain structure reveals Ago2 aromatics that are incompatible with eIF4E-like mRNA cap-binding, yet display some limited local structure similarities that cause the chance sequence match to eIF4E. Methylcholanthrene 15-17 eukaryotic translation initiation factor 4E Homo sapiens 105-110 19159466-12 2009 Mapping of the MC sequence to the mid domain structure reveals Ago2 aromatics that are incompatible with eIF4E-like mRNA cap-binding, yet display some limited local structure similarities that cause the chance sequence match to eIF4E. Methylcholanthrene 15-17 eukaryotic translation initiation factor 4E Homo sapiens 228-233 20049173-4 2009 We describe several strategies that have been suggested for eIF4E targeting in the clinic: the use of a small molecule antagonist of eIF4E (ribavirin), siRNA or antisense oligonucleotide strategies, suicide gene therapy, and the use of a tissue-targeting 4EBP fusion peptide. Ribavirin 140-149 eukaryotic translation initiation factor 4E Homo sapiens 60-65 20049173-4 2009 We describe several strategies that have been suggested for eIF4E targeting in the clinic: the use of a small molecule antagonist of eIF4E (ribavirin), siRNA or antisense oligonucleotide strategies, suicide gene therapy, and the use of a tissue-targeting 4EBP fusion peptide. Oligonucleotides 171-186 eukaryotic translation initiation factor 4E Homo sapiens 60-65 20049173-5 2009 The first clinical trial targeting eIF4E indicates that ribavirin effectively targets eIF4E in poor prognosis leukemia patients and more importantly leads to striking clinical responses including complete and partial remissions. Ribavirin 56-65 eukaryotic translation initiation factor 4E Homo sapiens 35-40 20049173-5 2009 The first clinical trial targeting eIF4E indicates that ribavirin effectively targets eIF4E in poor prognosis leukemia patients and more importantly leads to striking clinical responses including complete and partial remissions. Ribavirin 56-65 eukaryotic translation initiation factor 4E Homo sapiens 86-91 18639543-9 2008 Our data suggested that TCN may exhibit anticancer activity by inhibiting HIF-1alpha translation through the inhibition of eIF4E phosphorylation pathway and thus provide a novel mechanism for the anticancer activity of quassinoids. 6 alpha-tigloyloxychaparrinone 24-27 eukaryotic translation initiation factor 4E Homo sapiens 123-128 18809972-4 2008 In contrast, eIF4E phosphorylation is low in PC3 and LNCaP cells with mutated PTEN and constitutively active AKT/mTOR pathway, but it can be strongly induced through inhibition of mTOR activity by rapamycin or serum depletion. Sirolimus 197-206 eukaryotic translation initiation factor 4E Homo sapiens 13-18 18981735-9 2008 Moreover, the presence of erlotinib suppressed rapamycin-induced phosphorylation of Akt, ERK and eIF4E as well, implying that erlotinib can suppress mTOR inhibition-induced feedback activation of several survival signaling pathways including Akt, ERK and eIF4E. Sirolimus 47-56 eukaryotic translation initiation factor 4E Homo sapiens 97-102 18981735-9 2008 Moreover, the presence of erlotinib suppressed rapamycin-induced phosphorylation of Akt, ERK and eIF4E as well, implying that erlotinib can suppress mTOR inhibition-induced feedback activation of several survival signaling pathways including Akt, ERK and eIF4E. Erlotinib Hydrochloride 26-35 eukaryotic translation initiation factor 4E Homo sapiens 97-102 18981735-9 2008 Moreover, the presence of erlotinib suppressed rapamycin-induced phosphorylation of Akt, ERK and eIF4E as well, implying that erlotinib can suppress mTOR inhibition-induced feedback activation of several survival signaling pathways including Akt, ERK and eIF4E. Erlotinib Hydrochloride 26-35 eukaryotic translation initiation factor 4E Homo sapiens 255-260 18981735-9 2008 Moreover, the presence of erlotinib suppressed rapamycin-induced phosphorylation of Akt, ERK and eIF4E as well, implying that erlotinib can suppress mTOR inhibition-induced feedback activation of several survival signaling pathways including Akt, ERK and eIF4E. Sirolimus 47-56 eukaryotic translation initiation factor 4E Homo sapiens 255-260 18981735-9 2008 Moreover, the presence of erlotinib suppressed rapamycin-induced phosphorylation of Akt, ERK and eIF4E as well, implying that erlotinib can suppress mTOR inhibition-induced feedback activation of several survival signaling pathways including Akt, ERK and eIF4E. Erlotinib Hydrochloride 126-135 eukaryotic translation initiation factor 4E Homo sapiens 97-102 18981735-9 2008 Moreover, the presence of erlotinib suppressed rapamycin-induced phosphorylation of Akt, ERK and eIF4E as well, implying that erlotinib can suppress mTOR inhibition-induced feedback activation of several survival signaling pathways including Akt, ERK and eIF4E. Erlotinib Hydrochloride 126-135 eukaryotic translation initiation factor 4E Homo sapiens 255-260 18386287-4 2008 EIF4E binding to mRNA and to other initiation factors is regulated on several levels, including its phosphorylation on Ser-209, and association with its regulatory protein 4E-binding protein (4E-BP1). Serine 119-122 eukaryotic translation initiation factor 4E Homo sapiens 0-5 18361417-5 2008 Rapamycin was found to prevent dissociation of 4E-BP from the initiation factor eIF4E and to suppress correlatively a burst of global protein synthesis occurring at the G2/M transition. Sirolimus 0-9 eukaryotic translation initiation factor 4E Homo sapiens 80-85 18706892-0 2008 Ribavirin targets eIF4E dependent Akt survival signaling. Ribavirin 0-9 eukaryotic translation initiation factor 4E Homo sapiens 18-23 18706892-4 2008 We demonstrate that a physical mimic of the m(7)G cap, ribavirin, inhibits eIF4E dependent Akt survival signaling. Ribavirin 55-64 eukaryotic translation initiation factor 4E Homo sapiens 75-80 18706892-5 2008 Specifically, ribavirin impairs eIF4E mediated Akt activation via inhibiting the production of an upstream activator of Akt, NBS1. Ribavirin 14-23 eukaryotic translation initiation factor 4E Homo sapiens 32-37 18706892-6 2008 Consequently, ribavirin impairs eIF4E dependent apoptotic rescue. Ribavirin 14-23 eukaryotic translation initiation factor 4E Homo sapiens 32-37 18706892-8 2008 Ribavirin represents a first-in-class strategy to inhibit eIF4E dependent cancers, through competition for m(7)G cap binding. Ribavirin 0-9 eukaryotic translation initiation factor 4E Homo sapiens 58-63 18706892-9 2008 Thus, ribavirin coordinately impairs eIF4E dependent pathways and thereby, potently inhibits its biological effects. Ribavirin 6-15 eukaryotic translation initiation factor 4E Homo sapiens 37-42 18639543-10 2008 TCN could be a new HIF-1-targeted anticancer agent and be effective on mammalian target of rapamycin (mTOR)-targeted cancer therapy, in which mTOR inhibition increases eIF4E phosphorylation. 6 alpha-tigloyloxychaparrinone 0-3 eukaryotic translation initiation factor 4E Homo sapiens 168-173 18701474-6 2008 Expression of wild-type eIF4E in rapamycin-treated E6/E7/hTert/HRas(V12) and U373 cells failed to rescue colony formation, although expression of wild-type S6K1 or rapamycin-resistant S6K1 in rapamycin-treated U373 and U251 provided partial rescue. Sirolimus 33-42 eukaryotic translation initiation factor 4E Homo sapiens 24-29 18644990-3 2008 Rapamycin inhibits translation initiation by decreasing the phosphorylation of 4E-BP1, increasing eIF4E/4E-BP1 interaction. Sirolimus 0-9 eukaryotic translation initiation factor 4E Homo sapiens 98-103 18628479-6 2008 In addition, fluvastatin blocks the mTOR-dependent phosphorylation/deactivation of the translational repressor eukaryotic initiation factor 4E (eIF4E)-binding protein, leading to the formation of eIF4E-binding protein-eIF4E complexes that suppress initiation of cap-dependent mRNA translation. Fluvastatin 13-24 eukaryotic translation initiation factor 4E Homo sapiens 111-142 18628479-6 2008 In addition, fluvastatin blocks the mTOR-dependent phosphorylation/deactivation of the translational repressor eukaryotic initiation factor 4E (eIF4E)-binding protein, leading to the formation of eIF4E-binding protein-eIF4E complexes that suppress initiation of cap-dependent mRNA translation. Fluvastatin 13-24 eukaryotic translation initiation factor 4E Homo sapiens 144-149 18628479-6 2008 In addition, fluvastatin blocks the mTOR-dependent phosphorylation/deactivation of the translational repressor eukaryotic initiation factor 4E (eIF4E)-binding protein, leading to the formation of eIF4E-binding protein-eIF4E complexes that suppress initiation of cap-dependent mRNA translation. Fluvastatin 13-24 eukaryotic translation initiation factor 4E Homo sapiens 196-201 18628479-6 2008 In addition, fluvastatin blocks the mTOR-dependent phosphorylation/deactivation of the translational repressor eukaryotic initiation factor 4E (eIF4E)-binding protein, leading to the formation of eIF4E-binding protein-eIF4E complexes that suppress initiation of cap-dependent mRNA translation. Fluvastatin 13-24 eukaryotic translation initiation factor 4E Homo sapiens 196-201 18625073-8 2008 During the 8 hour period following NAC, loratadine and the CBP both reduced NSS compared with placebo (P = 0.034 and P = 0.029, respectively). nac 35-38 eukaryotic translation initiation factor 4E Homo sapiens 59-62 18625073-9 2008 Analysis of nasal lavage fluid demonstrated that the CBP prevented the increase in prostaglandin D2 release following NAC, while neither loratadine nor placebo had this effect. Prostaglandin D2 83-99 eukaryotic translation initiation factor 4E Homo sapiens 53-56 18625073-9 2008 Analysis of nasal lavage fluid demonstrated that the CBP prevented the increase in prostaglandin D2 release following NAC, while neither loratadine nor placebo had this effect. nac 118-121 eukaryotic translation initiation factor 4E Homo sapiens 53-56 18625073-11 2008 CONCLUSION: The CBP significantly reduced NSS during the 8 hours following NAC and marginally inhibited the release of prostaglandin D2 into nasal lavage fluid, suggesting potential clinical utility in patients with allergic rhinitis. nac 75-78 eukaryotic translation initiation factor 4E Homo sapiens 16-19 18625073-11 2008 CONCLUSION: The CBP significantly reduced NSS during the 8 hours following NAC and marginally inhibited the release of prostaglandin D2 into nasal lavage fluid, suggesting potential clinical utility in patients with allergic rhinitis. Prostaglandin D2 119-135 eukaryotic translation initiation factor 4E Homo sapiens 16-19 18644990-8 2008 eIF4E knockdown inhibited the growth of cells with varying total and phosphorylated 4E-BP1 levels and inhibited rapamycin-insensitive as well as rapamycin-sensitive cell lines. Sirolimus 112-121 eukaryotic translation initiation factor 4E Homo sapiens 0-5 18644990-8 2008 eIF4E knockdown inhibited the growth of cells with varying total and phosphorylated 4E-BP1 levels and inhibited rapamycin-insensitive as well as rapamycin-sensitive cell lines. Sirolimus 145-154 eukaryotic translation initiation factor 4E Homo sapiens 0-5 18081851-3 2008 In this study, we demonstrate that in cultured normal human keratinocytes Mnk1 and its downstream target eukaryotic initiation factor 4E (eIF4E) are phosphorylated in a time-dependent manner in response to stimulation with anisomycin or interleukin (IL)-1beta. Anisomycin 223-233 eukaryotic translation initiation factor 4E Homo sapiens 105-136 18460902-3 2008 A speculative extension of the above finding is that the cap contributes to encapsidation via its interaction with the poly(A) tail, possibly involving eIF4E-eIF4G-PABP interaction. Poly A 119-126 eukaryotic translation initiation factor 4E Homo sapiens 152-157 18081851-3 2008 In this study, we demonstrate that in cultured normal human keratinocytes Mnk1 and its downstream target eukaryotic initiation factor 4E (eIF4E) are phosphorylated in a time-dependent manner in response to stimulation with anisomycin or interleukin (IL)-1beta. Anisomycin 223-233 eukaryotic translation initiation factor 4E Homo sapiens 138-143 18081851-5 2008 Furthermore, we show that the Mnk inhibitor CGP57380 is capable of inhibiting the phosphorylation of eIF4E in keratinocytes, and that the abolishment of eIF4E phosphorylation dramatically decreases the anisomycin-induced protein release of the pro-inflammatory cytokines tumor necrosis factor-alpha (TNF-alpha), IL-1beta and IL-6 as well as the IL-1beta-induced protein release of TNF-alpha. CGP 57380 44-52 eukaryotic translation initiation factor 4E Homo sapiens 101-106 18081851-5 2008 Furthermore, we show that the Mnk inhibitor CGP57380 is capable of inhibiting the phosphorylation of eIF4E in keratinocytes, and that the abolishment of eIF4E phosphorylation dramatically decreases the anisomycin-induced protein release of the pro-inflammatory cytokines tumor necrosis factor-alpha (TNF-alpha), IL-1beta and IL-6 as well as the IL-1beta-induced protein release of TNF-alpha. Anisomycin 202-212 eukaryotic translation initiation factor 4E Homo sapiens 153-158 18430890-0 2008 Synthesis and characterization of mRNA cap analogs containing phosphorothioate substitutions that bind tightly to eIF4E and are resistant to the decapping pyrophosphatase DcpS. Parathion 62-78 eukaryotic translation initiation factor 4E Homo sapiens 114-119 18430890-7 2008 We found that phosphorothioate modifications generally stabilized the complex between eIF4E and the cap analog. Parathion 14-30 eukaryotic translation initiation factor 4E Homo sapiens 86-91 18343217-4 2008 Here, we show that overexpression of eIF4E-T preferentially inhibits cap-dependent steady-state translation, but not the pioneer round of translation. cap 69-72 eukaryotic translation initiation factor 4E Homo sapiens 37-42 18377870-6 2008 Expression of a constitutively active form of the mTOR target ribosomal protein S6 kinase (S6K) or of translation factor eIF4E reduced apoptosis by glucose limitation, and co-expression of S6K and eIF4E protected beta cells to the same extent as active Akt. Glucose 148-155 eukaryotic translation initiation factor 4E Homo sapiens 121-126 18215131-7 2008 Treatments with NMDA or NO promoted calpain-dependent eIF4G cleavage and 4E-BP1 (eIF4E-binding protein 1) dephosphorylation and also abolished the formation of eIF4E-eIF4G complexes; however, they did not induce eIF2alpha phosphorylation. N-Methylaspartate 16-20 eukaryotic translation initiation factor 4E Homo sapiens 81-86 18215131-9 2008 NOS inhibitors also prevented NMDA-induced eIF4G degradation, 4E-BP1 dephosphorylation, decreased eIF4E-eIF4G-binding and cell death. N-Methylaspartate 30-34 eukaryotic translation initiation factor 4E Homo sapiens 98-103 18220364-4 2008 We have investigated conformational changes of eIF4E induced by interaction with two cap analogues, 7-methyl-GTP and N (2), N (2),7-trimethyl-GTP. 7-methylguanosine triphosphate 100-112 eukaryotic translation initiation factor 4E Homo sapiens 47-52 18367715-2 2008 eIF4F is a heterotrimeric complex composed of three subunits: eIF4E, a 7-methyl guanosine cap binding protein; eIF4A, a DEAD-box RNA helicase; and eIF4G. Guanosine 80-89 eukaryotic translation initiation factor 4E Homo sapiens 62-67 18367715-4 2008 These studies have led to a model whereby eIF4E interacts with the 7-methyl guanosine cap structure in an ATP-independent manner, followed by an ATP-dependent interaction of eIF4A and eIF4B. 7-methylguanosine 67-85 eukaryotic translation initiation factor 4E Homo sapiens 42-47 18367715-4 2008 These studies have led to a model whereby eIF4E interacts with the 7-methyl guanosine cap structure in an ATP-independent manner, followed by an ATP-dependent interaction of eIF4A and eIF4B. Adenosine Triphosphate 106-109 eukaryotic translation initiation factor 4E Homo sapiens 42-47 18367715-4 2008 These studies have led to a model whereby eIF4E interacts with the 7-methyl guanosine cap structure in an ATP-independent manner, followed by an ATP-dependent interaction of eIF4A and eIF4B. Adenosine Triphosphate 145-148 eukaryotic translation initiation factor 4E Homo sapiens 42-47 18280804-3 2008 We now demonstrate that treatment of acute promyelocytic leukemia (APL)-derived NB4 cells with ATRA results in dissociation of the translational repressor 4E-BP1 from the eukaryotic initiation factor eIF4E, and subsequent formation of eIF4G-eIF4E complexes. Tretinoin 95-99 eukaryotic translation initiation factor 4E Homo sapiens 200-205 18280804-3 2008 We now demonstrate that treatment of acute promyelocytic leukemia (APL)-derived NB4 cells with ATRA results in dissociation of the translational repressor 4E-BP1 from the eukaryotic initiation factor eIF4E, and subsequent formation of eIF4G-eIF4E complexes. Tretinoin 95-99 eukaryotic translation initiation factor 4E Homo sapiens 241-246 18220364-4 2008 We have investigated conformational changes of eIF4E induced by interaction with two cap analogues, 7-methyl-GTP and N (2), N (2),7-trimethyl-GTP. n (2), n (2),7-trimethyl-gtp 117-145 eukaryotic translation initiation factor 4E Homo sapiens 47-52 18220364-7 2008 Formation of the complex with 7-methyl-GTP makes the eIF4E structure more compact, while binding of N (2), N (2),7-trimethyl-GTP leads to higher solvent accessibility of the protein backbone in comparison with the apo form. 7-methylguanosine triphosphate 30-42 eukaryotic translation initiation factor 4E Homo sapiens 53-58 18220364-7 2008 Formation of the complex with 7-methyl-GTP makes the eIF4E structure more compact, while binding of N (2), N (2),7-trimethyl-GTP leads to higher solvent accessibility of the protein backbone in comparison with the apo form. Nitrogen 100-105 eukaryotic translation initiation factor 4E Homo sapiens 53-58 18164262-4 2008 Our results show that etoposide treatment caused a rapid increase in eIF-4E phosphorylation. Etoposide 22-31 eukaryotic translation initiation factor 4E Homo sapiens 69-75 18164262-5 2008 The addition of CGP57380, a specific inhibitor of the eIF-4E kinase Mnk, not only inhibited eIF-4E phosphorylation but also resulted in reduced interaction between eIF-4E and eIF-4G. CGP 57380 16-24 eukaryotic translation initiation factor 4E Homo sapiens 54-60 18164262-5 2008 The addition of CGP57380, a specific inhibitor of the eIF-4E kinase Mnk, not only inhibited eIF-4E phosphorylation but also resulted in reduced interaction between eIF-4E and eIF-4G. CGP 57380 16-24 eukaryotic translation initiation factor 4E Homo sapiens 92-98 18164262-5 2008 The addition of CGP57380, a specific inhibitor of the eIF-4E kinase Mnk, not only inhibited eIF-4E phosphorylation but also resulted in reduced interaction between eIF-4E and eIF-4G. CGP 57380 16-24 eukaryotic translation initiation factor 4E Homo sapiens 92-98 18164262-7 2008 However, a JNK-specific inhibitor, SP600125, strongly suppressed etoposide-induced eIF-4E phosphorylation. pyrazolanthrone 35-43 eukaryotic translation initiation factor 4E Homo sapiens 83-89 18164262-7 2008 However, a JNK-specific inhibitor, SP600125, strongly suppressed etoposide-induced eIF-4E phosphorylation. Etoposide 65-74 eukaryotic translation initiation factor 4E Homo sapiens 83-89 17971516-9 2008 PD-98059 pretreatment abolished TNF-alpha-induced phosphorylation of ERK1/2 and eIF4E, whereas PS was only partially inhibited. 2-(2-amino-3-methoxyphenyl)-4H-1-benzopyran-4-one 0-8 eukaryotic translation initiation factor 4E Homo sapiens 80-85 19111193-4 2008 PBs also contain mRNA and eIF4E but lack other preinitiation factors and contain instead a number of proteins associated with mRNA decay such as DCP1a, DCP2, hedls/GE-1, p54/RCK. pbs 0-3 eukaryotic translation initiation factor 4E Homo sapiens 26-31 17601486-0 2007 Perillyl alcohol and genistein differentially regulate PKB/Akt and 4E-BP1 phosphorylation as well as eIF4E/eIF4G interactions in human tumor cells. perillyl alcohol 0-16 eukaryotic translation initiation factor 4E Homo sapiens 101-106 18082048-1 2007 OBJECTIVE: This study examined the effect of rapamycin, an inhibitor of mammalian target of rapamycin (mTOR), on eukaryotic initiation factor (eIF- 4E) expression in rat myocardial fibroblasts infected by Coxsackievirus B3 (CVB3) in order to identify the drug target for treatment of viral myocarditis. Sirolimus 45-54 eukaryotic translation initiation factor 4E Homo sapiens 143-150 17671235-6 2007 Moreover, CDDO increases the ratio of transcriptionally active p42 and the inactive p30 CEBPA isoform, which, in turn, leads to transcriptional activation of CEBPA-regulated genes (eg, GSCFR) and is associated with dephosphorylation of eIF2alpha and phosphorylation of eIF4E. 2-cyano-3,12-dioxoolean-1,9-dien-28-oic acid 10-14 eukaryotic translation initiation factor 4E Homo sapiens 269-274 17707924-4 2007 Preincubation with glutathione also prevented 4E-BP1, eIF4E and Mnk-1 phosphorylation induced by leucine, as well as enhancement of procollagen alpha1(I) protein levels. Glutathione 19-30 eukaryotic translation initiation factor 4E Homo sapiens 54-59 17707924-4 2007 Preincubation with glutathione also prevented 4E-BP1, eIF4E and Mnk-1 phosphorylation induced by leucine, as well as enhancement of procollagen alpha1(I) protein levels. Leucine 97-104 eukaryotic translation initiation factor 4E Homo sapiens 54-59 17556672-0 2007 Steroid and oxygen effects on eIF4F complex, mTOR, and ENaC translation in fetal lung epithelia. Steroids 0-7 eukaryotic translation initiation factor 4E Homo sapiens 30-35 17556672-0 2007 Steroid and oxygen effects on eIF4F complex, mTOR, and ENaC translation in fetal lung epithelia. Oxygen 12-18 eukaryotic translation initiation factor 4E Homo sapiens 30-35 17556672-4 2007 We now show, by Western blotting and m(7)GTP-Sepharose pull-down experiments, that in FDLE cultured under 3% O(2), DEX decreases formation of eIF4F and increases association of eIF4E with its inhibitor 4E-BP by changing 4E-BP phosphorylation. Dexamethasone 115-118 eukaryotic translation initiation factor 4E Homo sapiens 142-147 17556672-4 2007 We now show, by Western blotting and m(7)GTP-Sepharose pull-down experiments, that in FDLE cultured under 3% O(2), DEX decreases formation of eIF4F and increases association of eIF4E with its inhibitor 4E-BP by changing 4E-BP phosphorylation. Dexamethasone 115-118 eukaryotic translation initiation factor 4E Homo sapiens 177-182 17556672-5 2007 Conversely, FDLE cultured at 21% O(2) expressed lower levels of 4E-BP and maintained eIF4E-eIF4G association independent of DEX. Oxygen 33-37 eukaryotic translation initiation factor 4E Homo sapiens 85-90 17606765-7 2007 Taken together, SAHA caused a rapid decrease of cyclin D1 in MCL by blocking the translation of cyclin D1 by inhibiting the phosphatidylinositol 3-kinase (PI3K)/Akt/mTOR/eIF4E-BP pathway, probably by PI3K inhibition. Vorinostat 16-20 eukaryotic translation initiation factor 4E Homo sapiens 170-175 17909059-9 2007 Sorafenib also down-regulated cFLIP(L), most likely through a translational mechanism, in association with diminished eIF4E phosphorylation, whereas ectopic expression of cFLIP(L) significantly reduced sorafenib/TRAIL lethality. Sorafenib 0-9 eukaryotic translation initiation factor 4E Homo sapiens 118-123 17601486-0 2007 Perillyl alcohol and genistein differentially regulate PKB/Akt and 4E-BP1 phosphorylation as well as eIF4E/eIF4G interactions in human tumor cells. Genistein 21-30 eukaryotic translation initiation factor 4E Homo sapiens 101-106 17601486-9 2007 Importantly, perillyl alcohol disrupted interactions between eIF4E and eIF4G, key components of eIF4F (m(7)GpppX) cap binding complex. perillyl alcohol 13-29 eukaryotic translation initiation factor 4E Homo sapiens 61-66 17786234-3 2007 In this issue of the JCI, Graff and colleagues describe potent antitumor effects using second-generation antisense oligonucleotides for eIF4E (see the related article beginning on page 2638). Oligonucleotides 115-131 eukaryotic translation initiation factor 4E Homo sapiens 136-141 17786246-4 2007 Herein we report development of eIF4E-specific antisense oligonucleotides (ASOs) designed to have the necessary tissue stability and nuclease resistance required for systemic anticancer therapy. Oligonucleotides 57-73 eukaryotic translation initiation factor 4E Homo sapiens 32-37 17786246-4 2007 Herein we report development of eIF4E-specific antisense oligonucleotides (ASOs) designed to have the necessary tissue stability and nuclease resistance required for systemic anticancer therapy. Oligonucleotides, Antisense 75-79 eukaryotic translation initiation factor 4E Homo sapiens 32-37 17786246-6 2007 Most importantly, intravenous ASO administration selectively and significantly reduced eIF4E expression in human tumor xenografts, significantly suppressing tumor growth. Oligonucleotides, Antisense 30-33 eukaryotic translation initiation factor 4E Homo sapiens 87-92 17786246-9 2007 These data have prompted eIF4E-specific ASO clinical trials for the treatment of human cancers. Oligonucleotides, Antisense 40-43 eukaryotic translation initiation factor 4E Homo sapiens 25-30 17823871-5 2007 Immunoblots showed that matrine inhibited the activity of eIF4E through dephosphorylation of 4E-BP1 in a dose- and time-dependent manner. matrine 24-31 eukaryotic translation initiation factor 4E Homo sapiens 58-63 17823871-8 2007 These findings suggested that matrine inhibits the activity of eIF4E by dephosphorylating 4E-BP1, which partly counts for the growth inhibition in gastric MKN45 cells. matrine 30-37 eukaryotic translation initiation factor 4E Homo sapiens 63-68 17524464-3 2007 Here we identify a motif (MC) within the Mid domain of Ago proteins, which bears significant similarity to the m(7)G cap-binding domain of eIF4E, an essential translation initiation factor. Methylcholanthrene 26-28 eukaryotic translation initiation factor 4E Homo sapiens 139-144 17638893-1 2007 Pathologic redirection of translational control by constitutive activation of eukaryotic translation initiation factor 4F (eIF4F), the cap-dependent translation initiation apparatus, is an obligatory step in oncogenesis; however, its mechanism remains undefined. cap 135-138 eukaryotic translation initiation factor 4E Homo sapiens 78-121 17638893-1 2007 Pathologic redirection of translational control by constitutive activation of eukaryotic translation initiation factor 4F (eIF4F), the cap-dependent translation initiation apparatus, is an obligatory step in oncogenesis; however, its mechanism remains undefined. cap 135-138 eukaryotic translation initiation factor 4E Homo sapiens 123-128 17584618-1 2007 Central to cap-dependent eukaryotic translation initiation is the eIF4F complex, which is composed of the three eukaryotic initiation factors eIF4E, eIF4G, and eIF4A. cap 11-14 eukaryotic translation initiation factor 4E Homo sapiens 142-147 17802829-2 2007 METHOD: Thiosthorothioate 10-23DNAzyme specific to eIF4E gene mRNA 1059 was designed and synthesized, and its inhibition effects on the expression of eIF4E gene in Hep-2 cells were observed. thiosthorothioate 8-25 eukaryotic translation initiation factor 4E Homo sapiens 51-56 17368478-0 2007 Structures of the human eIF4E homologous protein, h4EHP, in its m7GTP-bound and unliganded forms. 7-methylguanosine triphosphate 64-69 eukaryotic translation initiation factor 4E Homo sapiens 24-29 17368478-7 2007 m(7)GTP binds to 4EHP 200-fold more weakly than it does to eIF4E with the guanine base sandwiched by a tyrosine and a tryptophan instead of two tryptophan residues as seen in eIF4E. (7)gtp 1-7 eukaryotic translation initiation factor 4E Homo sapiens 59-64 17368478-7 2007 m(7)GTP binds to 4EHP 200-fold more weakly than it does to eIF4E with the guanine base sandwiched by a tyrosine and a tryptophan instead of two tryptophan residues as seen in eIF4E. (7)gtp 1-7 eukaryotic translation initiation factor 4E Homo sapiens 175-180 17368478-7 2007 m(7)GTP binds to 4EHP 200-fold more weakly than it does to eIF4E with the guanine base sandwiched by a tyrosine and a tryptophan instead of two tryptophan residues as seen in eIF4E. Guanine 74-81 eukaryotic translation initiation factor 4E Homo sapiens 59-64 17368478-7 2007 m(7)GTP binds to 4EHP 200-fold more weakly than it does to eIF4E with the guanine base sandwiched by a tyrosine and a tryptophan instead of two tryptophan residues as seen in eIF4E. Guanine 74-81 eukaryotic translation initiation factor 4E Homo sapiens 175-180 17368478-8 2007 The tyrosine resides on a loop that is longer in h4EHP than in eIF4E. Tyrosine 4-12 eukaryotic translation initiation factor 4E Homo sapiens 63-68 17368478-9 2007 The consequent conformational difference between the proteins allows the tyrosine to mimic the six-membered ring of the tryptophan in eIF4E and adopt an orientation that is similar to that seen for equivalent residues in other non-homologous cap-binding proteins. Tyrosine 73-81 eukaryotic translation initiation factor 4E Homo sapiens 134-139 17368478-9 2007 The consequent conformational difference between the proteins allows the tyrosine to mimic the six-membered ring of the tryptophan in eIF4E and adopt an orientation that is similar to that seen for equivalent residues in other non-homologous cap-binding proteins. Tryptophan 120-130 eukaryotic translation initiation factor 4E Homo sapiens 134-139 17368478-11 2007 A peptide derived from the eIF4E inhibitory protein, 4E-BP1 binds h4EHP 100-fold less strongly than eIF4E but in a similar manner. h4ehp 66-71 eukaryotic translation initiation factor 4E Homo sapiens 27-32 17802829-2 2007 METHOD: Thiosthorothioate 10-23DNAzyme specific to eIF4E gene mRNA 1059 was designed and synthesized, and its inhibition effects on the expression of eIF4E gene in Hep-2 cells were observed. thiosthorothioate 8-25 eukaryotic translation initiation factor 4E Homo sapiens 150-155 17802829-4 2007 The level of inhibiting eIF4E in hep-2 cells transfected by DNAzyme was lower than that by only lipofectamine 2000 transfected and Hep-2. Lipofectamine 96-114 eukaryotic translation initiation factor 4E Homo sapiens 24-29 17369309-5 2007 We show that 4EHP binds cap analogs m(7)GpppG and m(7)GTP with 30 and 100 lower affinity than eIF4E. cap 24-27 eukaryotic translation initiation factor 4E Homo sapiens 94-99 17440067-3 2007 Treatment of human colorectal cancer HCT-116 cells and human prostate cancer PC-3 cells, but not a normal prostate epithelial cell line (PrEC), with PEITC caused an increase in expression of the eukaryotic translation initiation factor 4E (eIF4E) binding protein (4E-BP1) and inhibition of 4E-BP1 phosphorylation. phenethyl isothiocyanate 149-154 eukaryotic translation initiation factor 4E Homo sapiens 195-238 17440067-4 2007 Results from pull-down assay using 7-methyl-GTP Sepharose 4B beads indicated that PEITC treatment reduced cap-bound eIF4E, confirming that increased 4E-BP1 expression and inhibition of 4E-BP1 phosphorylation indeed reduced the availability of eIF4E for translation initiation. phenethyl isothiocyanate 82-87 eukaryotic translation initiation factor 4E Homo sapiens 116-121 17440067-4 2007 Results from pull-down assay using 7-methyl-GTP Sepharose 4B beads indicated that PEITC treatment reduced cap-bound eIF4E, confirming that increased 4E-BP1 expression and inhibition of 4E-BP1 phosphorylation indeed reduced the availability of eIF4E for translation initiation. phenethyl isothiocyanate 82-87 eukaryotic translation initiation factor 4E Homo sapiens 243-248 17440067-6 2007 Ectopic expression of eIF4E prevented PEITC-induced translation inhibition and conferred significant protection against PEITC-induced apoptosis. phenethyl isothiocyanate 38-43 eukaryotic translation initiation factor 4E Homo sapiens 22-27 17440067-6 2007 Ectopic expression of eIF4E prevented PEITC-induced translation inhibition and conferred significant protection against PEITC-induced apoptosis. phenethyl isothiocyanate 120-125 eukaryotic translation initiation factor 4E Homo sapiens 22-27 17440067-7 2007 These results indicate that PEITC modulates availability of eIF4E for translation initiation leading to inhibition of cap-dependent translation. phenethyl isothiocyanate 28-33 eukaryotic translation initiation factor 4E Homo sapiens 60-65 17440067-7 2007 These results indicate that PEITC modulates availability of eIF4E for translation initiation leading to inhibition of cap-dependent translation. cap 118-121 eukaryotic translation initiation factor 4E Homo sapiens 60-65 17220299-7 2007 Trx1 facilitated synthesis of HIF-1alpha by activating Akt, p70S6K, and eIF-4E, known to control cap-dependent translation. cap 97-100 eukaryotic translation initiation factor 4E Homo sapiens 72-78 17481512-0 2007 Correlation of TLK1B in elevation and recurrence in doxorubicin-treated breast cancer patients with high eIF4E overexpression. Doxorubicin 52-63 eukaryotic translation initiation factor 4E Homo sapiens 105-110 17481512-4 2007 We hypothesized that the degree of TLK1B elevation is correlated with eIF4E overexpression and translates clinically to an increased risk for recurrence in breast cancer patients treated with doxorubicin-based adjuvant chemotherapy. Doxorubicin 192-203 eukaryotic translation initiation factor 4E Homo sapiens 70-75 17385562-6 2007 Whereas beta-ZOL mainly had an impact on the biological activity of the extracellular signal-regulated protein kinases 1 and 2 (ERK1/2), protein kinase B (Akt), eukaryotic initiation factor 4E (eIF4E) and its repressor 4E binding protein 1 (4E-BP1), DON reduced the abundance of p38 MAPk, Akt and specific 4E-BP1 bands. zearalenol 8-16 eukaryotic translation initiation factor 4E Homo sapiens 161-192 17385562-6 2007 Whereas beta-ZOL mainly had an impact on the biological activity of the extracellular signal-regulated protein kinases 1 and 2 (ERK1/2), protein kinase B (Akt), eukaryotic initiation factor 4E (eIF4E) and its repressor 4E binding protein 1 (4E-BP1), DON reduced the abundance of p38 MAPk, Akt and specific 4E-BP1 bands. zearalenol 8-16 eukaryotic translation initiation factor 4E Homo sapiens 194-199 17332346-4 2007 CCI-779, an mTOR inhibitor, arrested growth of a phosphatase and tensin homologue deleted on chromosome 10 (PTEN) abnormal HNSCC cell line FaDu, inhibiting phosphorylation of 4E-binding protein 1, resulting in increased association with eIF4E and inhibition of basic fibroblast growth factor and vascular endothelial growth factor. temsirolimus 0-7 eukaryotic translation initiation factor 4E Homo sapiens 237-242 17178882-5 2006 Sorafenib also reduced the phosphorylation level of eIF4E and down-regulated the antiapoptotic protein Mcl-1 in a MEK/ERK-independent manner. Sorafenib 0-9 eukaryotic translation initiation factor 4E Homo sapiens 52-57 17425063-2 2007 The effect of leucine on protein synthesis appears to be closely associated with eIF4G phosphorylation and its association with eIF4E, but whether eIF4G phosphorylation actually mediates the effects of leucine or is merely associated with these events has not been elucidated. Leucine 14-21 eukaryotic translation initiation factor 4E Homo sapiens 128-133 17382186-8 2007 Although eIF4E overexpression has been suggested to make cells resistant to rapamycin, we observed marked growth inhibition with rapamycin as a single agent in SKRC39, which has marked overexpression of eIF4E. Sirolimus 76-85 eukaryotic translation initiation factor 4E Homo sapiens 9-14 17382186-8 2007 Although eIF4E overexpression has been suggested to make cells resistant to rapamycin, we observed marked growth inhibition with rapamycin as a single agent in SKRC39, which has marked overexpression of eIF4E. Sirolimus 129-138 eukaryotic translation initiation factor 4E Homo sapiens 203-208 16936779-4 2007 Experiments with rapamycin and the Bcr-Abl inhibitor, imatinib mesylate, in Bcr-Abl-expressing cell lines and primary CML cells indicated that Bcr-Abl and mTORC1 induced formation of the translation initiation complex, eIF4F. Imatinib Mesylate 54-71 eukaryotic translation initiation factor 4E Homo sapiens 219-224 17259394-5 2007 High glucose, high insulin, and high glucose+high insulin stimulated phosphorylation of 4E-BP1, a repressor binding protein for eukaryotic initiation factor 4E (eIF4E), that was dependent on activation of phosphatidylinositol 3-kinase, Akt, and mammalian target of rapamycin. Glucose 5-12 eukaryotic translation initiation factor 4E Homo sapiens 128-159 17259394-5 2007 High glucose, high insulin, and high glucose+high insulin stimulated phosphorylation of 4E-BP1, a repressor binding protein for eukaryotic initiation factor 4E (eIF4E), that was dependent on activation of phosphatidylinositol 3-kinase, Akt, and mammalian target of rapamycin. Glucose 5-12 eukaryotic translation initiation factor 4E Homo sapiens 161-166 17259394-5 2007 High glucose, high insulin, and high glucose+high insulin stimulated phosphorylation of 4E-BP1, a repressor binding protein for eukaryotic initiation factor 4E (eIF4E), that was dependent on activation of phosphatidylinositol 3-kinase, Akt, and mammalian target of rapamycin. Glucose 37-44 eukaryotic translation initiation factor 4E Homo sapiens 128-159 17259394-5 2007 High glucose, high insulin, and high glucose+high insulin stimulated phosphorylation of 4E-BP1, a repressor binding protein for eukaryotic initiation factor 4E (eIF4E), that was dependent on activation of phosphatidylinositol 3-kinase, Akt, and mammalian target of rapamycin. Glucose 37-44 eukaryotic translation initiation factor 4E Homo sapiens 161-166 17259394-6 2007 High glucose, high insulin, and high glucose+high insulin also promoted release of eIF4E from 4E-BP1, phosphorylation of eIF4E, and increase in eIF4E association with eIF4G, critical events in the initiation phase of mRNA translation. Glucose 5-12 eukaryotic translation initiation factor 4E Homo sapiens 83-88 17259394-6 2007 High glucose, high insulin, and high glucose+high insulin also promoted release of eIF4E from 4E-BP1, phosphorylation of eIF4E, and increase in eIF4E association with eIF4G, critical events in the initiation phase of mRNA translation. Glucose 5-12 eukaryotic translation initiation factor 4E Homo sapiens 121-126 17259394-6 2007 High glucose, high insulin, and high glucose+high insulin also promoted release of eIF4E from 4E-BP1, phosphorylation of eIF4E, and increase in eIF4E association with eIF4G, critical events in the initiation phase of mRNA translation. Glucose 5-12 eukaryotic translation initiation factor 4E Homo sapiens 121-126 17259394-6 2007 High glucose, high insulin, and high glucose+high insulin also promoted release of eIF4E from 4E-BP1, phosphorylation of eIF4E, and increase in eIF4E association with eIF4G, critical events in the initiation phase of mRNA translation. Glucose 37-44 eukaryotic translation initiation factor 4E Homo sapiens 83-88 17259394-6 2007 High glucose, high insulin, and high glucose+high insulin also promoted release of eIF4E from 4E-BP1, phosphorylation of eIF4E, and increase in eIF4E association with eIF4G, critical events in the initiation phase of mRNA translation. Glucose 37-44 eukaryotic translation initiation factor 4E Homo sapiens 121-126 17259394-6 2007 High glucose, high insulin, and high glucose+high insulin also promoted release of eIF4E from 4E-BP1, phosphorylation of eIF4E, and increase in eIF4E association with eIF4G, critical events in the initiation phase of mRNA translation. Glucose 37-44 eukaryotic translation initiation factor 4E Homo sapiens 121-126 17259394-7 2007 High glucose, high insulin, and high glucose+high insulin increased Erk phosphorylation, which is an upstream regulator of eIF4E phosphorylation, and PD098059, which is a MEK inhibitor that blocks Erk activation, abolished laminin-beta1 synthesis. Glucose 37-44 eukaryotic translation initiation factor 4E Homo sapiens 123-128 17237311-6 2007 Likewise, compared with EC, both ES and EW increased formation of the mRNA cap binding complex eIF4F and stimulated phosphorylation of the translational repressor, 4E-BP1, the 70kD ribosomal protein S6 kinase (S6K1), and the mammalian target of rapamycin (mTOR) kinase at serine 2448. Einsteinium 33-35 eukaryotic translation initiation factor 4E Homo sapiens 95-100 17237311-6 2007 Likewise, compared with EC, both ES and EW increased formation of the mRNA cap binding complex eIF4F and stimulated phosphorylation of the translational repressor, 4E-BP1, the 70kD ribosomal protein S6 kinase (S6K1), and the mammalian target of rapamycin (mTOR) kinase at serine 2448. NSC334073 40-42 eukaryotic translation initiation factor 4E Homo sapiens 95-100 17210710-0 2007 Nitric oxide in physiologic concentrations targets the translational machinery to increase the proliferation of human breast cancer cells: involvement of mammalian target of rapamycin/eIF4E pathway. Nitric Oxide 0-12 eukaryotic translation initiation factor 4E Homo sapiens 184-189 17091471-5 2007 Cells expressing variant eIF4E did not form foci in culture and produced smaller colonies in soft agar compared to cells expressing wild-type eIF4E. Agar 98-102 eukaryotic translation initiation factor 4E Homo sapiens 25-30 17178882-10 2006 In mechanism of action studies, sorafenib inhibited the phosphorylation of both ERK and eIF4E, reduced the microvessel area (assessed by CD34 immunohistochemistry), and induced tumor cell apoptosis (assessed by terminal deoxynucleotidyl transferase-mediated nick end labeling) in PLC/PRF/5 tumor xenografts. Sorafenib 32-41 eukaryotic translation initiation factor 4E Homo sapiens 88-93 16982703-6 2006 Preincubation of KMCH cells with pifithrin-alpha enhanced gemcitabine-induced cytotoxicity in an eIF-4E-dependent manner. pifithrin 33-42 eukaryotic translation initiation factor 4E Homo sapiens 97-103 16715128-13 2006 Rapamycin inhibits IGF-I-stimulated cell motility, through suppression of both S6K1 and 4E-BP1/eIF4E-signaling pathways, as a consequence of inhibition of mTOR kinase activity. Sirolimus 0-9 eukaryotic translation initiation factor 4E Homo sapiens 95-100 17036047-2 2006 For example, eIF4G and eIF4E-binding proteins (4E-BPs) modulate cap affinity, and thus physiological activity of eIF4E, by binding a site distal to the 7-methylguanosine cap-binding site. 7-methylguanosine 152-169 eukaryotic translation initiation factor 4E Homo sapiens 23-28 17036047-2 2006 For example, eIF4G and eIF4E-binding proteins (4E-BPs) modulate cap affinity, and thus physiological activity of eIF4E, by binding a site distal to the 7-methylguanosine cap-binding site. 7-methylguanosine 152-169 eukaryotic translation initiation factor 4E Homo sapiens 113-118 17036047-3 2006 Further, cap binding substantially modulates eIF4E"s affinity for eIF4G and the 4E-BPs. cap 9-12 eukaryotic translation initiation factor 4E Homo sapiens 45-50 16550606-5 2006 At physiological concentrations (2.5 microM), curcumin rapidly inhibited phosphorylation of the mammalian target of rapamycin (mTOR) and its downstream effector molecules, p70 S6 kinase 1 (S6K1) and eukaryotic initiation factor 4E (eIF4E) binding protein 1 (4E-BP1), in a panel of cell lines (Rh1, Rh30, DU145, MCF-7 and Hela). Curcumin 46-54 eukaryotic translation initiation factor 4E Homo sapiens 199-230 16982703-5 2006 Modulation of eIF-4E expression by RNA interference enhanced the efficacy of gemcitabine in KMCH cholangiocarcinoma cells. gemcitabine 77-88 eukaryotic translation initiation factor 4E Homo sapiens 14-20 16982703-6 2006 Preincubation of KMCH cells with pifithrin-alpha enhanced gemcitabine-induced cytotoxicity in an eIF-4E-dependent manner. gemcitabine 58-69 eukaryotic translation initiation factor 4E Homo sapiens 97-103 16982703-7 2006 Furthermore, pifithrin-alpha increased eIF-4E phosphorylation at serine 209 via activation of p38 mitogen-activated protein kinase (MAPK). Serine 65-71 eukaryotic translation initiation factor 4E Homo sapiens 39-45 16982703-10 2006 Pifithrin-alpha enhanced chemosensitivity by a mechanism independent of p53 and involving AhR and p38 MAPK deregulation of eIF-4E phosphorylation. pifithrin 0-9 eukaryotic translation initiation factor 4E Homo sapiens 123-129 16897753-4 2006 Treatment of HSC with 5 mM leucine did not alter half-life or steady state levels of procollagen alpha1(I) mRNA, but caused an increase in procollagen alpha1(I) protein that correlated with changes of components involved in translational regulation, like enhanced 4E-BP1, Mnk-1, and eIF4E phosphorylation. Leucine 27-34 eukaryotic translation initiation factor 4E Homo sapiens 283-288 16835235-7 2006 We also demonstrate that both FCV and MNV RNA translation require the RNA helicase component of the eIF4F complex, namely eIF4A, because translation was sensitive (albeit to different degrees) to a dominant negative form and to a small molecule inhibitor of eIF4A (hippuristanol). hippuristanol 265-278 eukaryotic translation initiation factor 4E Homo sapiens 100-105 16777406-7 2006 The mTOR pathway regulates mRNA translation; exposure of MCF-7 cells to Gemini-23-yne-26,27-hexafluoro-D3 decreased their rate of protein synthesis and increased the association of 4EBP-1 with the translation initiation factor, eIF4E. 1,25-dihydroxy-20S-21(3-hydroxy-3-methyl-butyl)-23-yne-26,27-hexafluoro-vitamin D3 72-105 eukaryotic translation initiation factor 4E Homo sapiens 228-233 16720573-2 2006 Here, we have shown that eIF4E is ubiquitinated primarily at Lys-159 and incubation of cells with a proteasome inhibitor leads to increased eIF4E levels, suggesting the proteasome-dependent proteolysis of ubiquitinated eIF4E. Lysine 61-64 eukaryotic translation initiation factor 4E Homo sapiens 25-30 16626853-4 2006 VPg/eIF4E interaction results in the inhibition of cell-free protein synthesis, and we show that it stems from the liberation of the cap moiety from the complex with eIF4E. cap 133-136 eukaryotic translation initiation factor 4E Homo sapiens 4-9 16626853-4 2006 VPg/eIF4E interaction results in the inhibition of cell-free protein synthesis, and we show that it stems from the liberation of the cap moiety from the complex with eIF4E. cap 133-136 eukaryotic translation initiation factor 4E Homo sapiens 166-171 16531451-7 2006 Looking for an upstream determinant of translational deregulation, we found an increase in the hyperphosphorylated form of the 4E-BP1 protein in the metastatic cell line, possibly resulting in an increased activation of cap-dependent translation due to increased activity of the eIF4E protein. cap 220-223 eukaryotic translation initiation factor 4E Homo sapiens 279-284 16249273-8 2006 NAC and DPI also inhibited phosphorylation of 4E-BP1 on Thr46 and association of eIF4E with eIF4G, steps that are important in the initiation phase of mRNA translation. Acetylcysteine 0-3 eukaryotic translation initiation factor 4E Homo sapiens 81-86 16434554-9 2006 After extended exposure to 6% halothane, alterations in two separate responses regulated by the target of rapamycin pathway occur: 1) redistribution of eIF4E from its translation-stimulatory association with eIF4G to its translation-inactive complex with eIF4E-binding protein-1; and 2) decreased phosphorylation of ribosomal protein S6 (rpS6) with a corresponding decrease in active forms of a kinase that phosphorylates rpS6 (p70(S6K1)). Halothane 30-39 eukaryotic translation initiation factor 4E Homo sapiens 152-157 16739988-4 2006 Site-specific phosphorylation of eIF4E and eIF4G and elevated levels of eIF4G:eIF4E complexes in phorbol ester treated HEK293 cells, and in serum-starved tumorigenic human mesenchymal stromal cells, attested to their activated translational states. Phorbol Esters 97-110 eukaryotic translation initiation factor 4E Homo sapiens 33-38 16739988-4 2006 Site-specific phosphorylation of eIF4E and eIF4G and elevated levels of eIF4G:eIF4E complexes in phorbol ester treated HEK293 cells, and in serum-starved tumorigenic human mesenchymal stromal cells, attested to their activated translational states. Phorbol Esters 97-110 eukaryotic translation initiation factor 4E Homo sapiens 78-83 16739988-6 2006 Elevated levels of Gemin5:eIF4E complexes were found in phorbol ester treated HEK293 cells. Phorbol Esters 56-69 eukaryotic translation initiation factor 4E Homo sapiens 26-31 16540463-0 2006 Stopped-flow kinetic analysis of eIF4E and phosphorylated eIF4E binding to cap analogs and capped oligoribonucleotides: evidence for a one-step binding mechanism. Oligoribonucleotides 98-118 eukaryotic translation initiation factor 4E Homo sapiens 33-38 16540463-0 2006 Stopped-flow kinetic analysis of eIF4E and phosphorylated eIF4E binding to cap analogs and capped oligoribonucleotides: evidence for a one-step binding mechanism. Oligoribonucleotides 98-118 eukaryotic translation initiation factor 4E Homo sapiens 58-63 16540463-3 2006 Mammalian eIF4E is phosphorylated at Ser-209 by Mnk1 and Mnk2 kinases. Serine 37-40 eukaryotic translation initiation factor 4E Homo sapiens 10-15 16540463-6 2006 Phosphorylation of eIF4E decreased k(on) by 2.1-2.3-fold at 50-100 mm KCl but had progressively less effect at higher ionic strengths, being negligible at 350 mm. Potassium Chloride 70-73 eukaryotic translation initiation factor 4E Homo sapiens 19-24 16540463-10 2006 However, measuring k(off) for dissociation of a pre-formed eIF4E.m(7)GpppG complex suggested that the double-exponential kinetics were caused by dissociation of eIF4E dimers, not a two-step mechanism. (7)gpppg 66-74 eukaryotic translation initiation factor 4E Homo sapiens 59-64 16540463-10 2006 However, measuring k(off) for dissociation of a pre-formed eIF4E.m(7)GpppG complex suggested that the double-exponential kinetics were caused by dissociation of eIF4E dimers, not a two-step mechanism. (7)gpppg 66-74 eukaryotic translation initiation factor 4E Homo sapiens 161-166 16540463-11 2006 Addition of a 12-nucleotide chain to the cap structure increased affinity at high ionic strength for both eIF4E (24-fold) and eIF4E(P) (7-fold), primarily due to a decrease in k(off). 12-nucleotide 14-27 eukaryotic translation initiation factor 4E Homo sapiens 106-111 16540463-11 2006 Addition of a 12-nucleotide chain to the cap structure increased affinity at high ionic strength for both eIF4E (24-fold) and eIF4E(P) (7-fold), primarily due to a decrease in k(off). 12-nucleotide 14-27 eukaryotic translation initiation factor 4E Homo sapiens 126-134 16375881-5 2006 eIF4E was purified by affinity chromatography using m(7)GTP-sepharose, and the levels of 4E-BP1 bound to eIF4E were determined. (7)gtp 53-59 eukaryotic translation initiation factor 4E Homo sapiens 0-5 16375881-5 2006 eIF4E was purified by affinity chromatography using m(7)GTP-sepharose, and the levels of 4E-BP1 bound to eIF4E were determined. Sepharose 60-69 eukaryotic translation initiation factor 4E Homo sapiens 0-5 16515558-3 2006 As expected, purified Aplysia Mnk phosphorylated Aplysia eIF4E at a conserved carboxy-terminal serine and over-expression of Aplysia Mnk in sensory neurons led to increased phosphorylation of endogenous eIF4E. Serine 95-101 eukaryotic translation initiation factor 4E Homo sapiens 57-62 16515558-8 2006 We propose that changes in eIF4E phosphorylation in Aplysia neurons are a consequence of changes in cap-dependent translation that are independent of regulation of Aplysia Mnk. cap 100-103 eukaryotic translation initiation factor 4E Homo sapiens 27-32 16249273-8 2006 NAC and DPI also inhibited phosphorylation of 4E-BP1 on Thr46 and association of eIF4E with eIF4G, steps that are important in the initiation phase of mRNA translation. diphenyleneiodonium 8-11 eukaryotic translation initiation factor 4E Homo sapiens 81-86 16628088-7 2006 Treatment of mice with the calcineurin inhibitor FK506 totally blocked c-Jun NH2-terminal kinase activation, partially blocked the mammalian target of rapamycin pathway, and had no effect on extracellular signal-regulated kinase activation or the phosphorylation of eukaryotic initiation factor 4E. Tacrolimus 49-54 eukaryotic translation initiation factor 4E Homo sapiens 266-297 16495443-7 2006 Our results provide direct evidence that cap-dependent translation is engaged during mGluR-LTD and demonstrate that the MEK-ERK and PI3K-mTOR signaling pathways converge to regulate eIF4E activity after induction of DHPG-LTD. dhpg 216-220 eukaryotic translation initiation factor 4E Homo sapiens 182-187 16405910-5 2006 Binding of eIF4G to apo-eIF4E likewise induces folding of the protein into a state that is similar to, but not identical with, that of cap-bound eIF4E. cap 135-138 eukaryotic translation initiation factor 4E Homo sapiens 24-29 16405910-5 2006 Binding of eIF4G to apo-eIF4E likewise induces folding of the protein into a state that is similar to, but not identical with, that of cap-bound eIF4E. cap 135-138 eukaryotic translation initiation factor 4E Homo sapiens 145-150 16138385-2 2006 cis 5-tert-butyl-L-proline (Cbp) was prepared rapidly and efficiently by the addition of low-valent tert-butyl cuprate to an aminal derived from proline. 4,4'-Bis(N-carbazolyl)-1,1'-biphenyl 28-31 eukaryotic translation initiation factor 4E Homo sapiens 0-26 16138385-2 2006 cis 5-tert-butyl-L-proline (Cbp) was prepared rapidly and efficiently by the addition of low-valent tert-butyl cuprate to an aminal derived from proline. tert-butyl cuprate 100-118 eukaryotic translation initiation factor 4E Homo sapiens 0-26 15907373-1 2006 During the oxidative stress generated by hydrogen peroxide (H2O2) in nerve growth factor (NGF)-differentiated PC12 cells, eIF4E binding protein (4E-BP1) and initiation factor 4E (eIF4E) phosphorylated levels decrease significantly, and an enhancement of the association of 4E-BP1 to eIF4E, which in turn decreases eIF4F formation is observed. Hydrogen Peroxide 41-58 eukaryotic translation initiation factor 4E Homo sapiens 122-127 15907373-1 2006 During the oxidative stress generated by hydrogen peroxide (H2O2) in nerve growth factor (NGF)-differentiated PC12 cells, eIF4E binding protein (4E-BP1) and initiation factor 4E (eIF4E) phosphorylated levels decrease significantly, and an enhancement of the association of 4E-BP1 to eIF4E, which in turn decreases eIF4F formation is observed. Hydrogen Peroxide 60-64 eukaryotic translation initiation factor 4E Homo sapiens 122-127 15907373-2 2006 The treatment with N-acetyl-cysteine (NAC) completely abolishes the H2O2-induced decrease in eIF4E phosphorylated levels, whereas the decrease in 4E-BP1 phosphorylated levels and eIF4F activity inhibition are significantly but not fully reversed. Acetylcysteine 19-36 eukaryotic translation initiation factor 4E Homo sapiens 93-98 15907373-2 2006 The treatment with N-acetyl-cysteine (NAC) completely abolishes the H2O2-induced decrease in eIF4E phosphorylated levels, whereas the decrease in 4E-BP1 phosphorylated levels and eIF4F activity inhibition are significantly but not fully reversed. Acetylcysteine 38-41 eukaryotic translation initiation factor 4E Homo sapiens 93-98 15907373-2 2006 The treatment with N-acetyl-cysteine (NAC) completely abolishes the H2O2-induced decrease in eIF4E phosphorylated levels, whereas the decrease in 4E-BP1 phosphorylated levels and eIF4F activity inhibition are significantly but not fully reversed. Hydrogen Peroxide 68-72 eukaryotic translation initiation factor 4E Homo sapiens 93-98 16242075-7 2005 Individually, EKI-785 diminishes while rapamycin promotes the binding of the translation inhibitor eukaryotic initiation factor 4E binding protein (4EBP1) to the eukaryotic translation initiation factor 4E (eIF4E). Sirolimus 39-48 eukaryotic translation initiation factor 4E Homo sapiens 162-205 16099139-9 2006 In contrast, the eIF4E phosphorylation was strongly reduced in DNV treated cells. deoxynivalenol 63-66 eukaryotic translation initiation factor 4E Homo sapiens 17-22 16281055-4 2005 Pak2 binds to and phosphorylates initiation factor (eIF)4G, which inhibits association of eIF4E with m(7)GTP, reducing initiation. 7-methylguanosine triphosphate 101-108 eukaryotic translation initiation factor 4E Homo sapiens 90-95 16271312-1 2005 Taking advantage of the Trp73 residue located close to the 4E-BP binding site of eIF4E, the interaction between the 4E-BP isoform and eIF4E was investigated by the Trp fluorescence titration method. Tryptophan 24-27 eukaryotic translation initiation factor 4E Homo sapiens 81-86 16271312-1 2005 Taking advantage of the Trp73 residue located close to the 4E-BP binding site of eIF4E, the interaction between the 4E-BP isoform and eIF4E was investigated by the Trp fluorescence titration method. Tryptophan 24-27 eukaryotic translation initiation factor 4E Homo sapiens 134-139 16271312-6 2005 Crystal structure analysis at 2.1 A resolution revealed that the 4E-BP1 fragment, assigned to the Pro47-Pro66 peptide moiety, adopted a reverse L-shaped conformation involving the beta sheet and alpha-helical structures and was located at the root of the handle of the temple-bell-shaped eIF4E through hydrophilic and hydrophobic interactions. Peptides 110-117 eukaryotic translation initiation factor 4E Homo sapiens 288-293 16251386-0 2005 Further evidence that ribavirin interacts with eIF4E. Ribavirin 22-31 eukaryotic translation initiation factor 4E Homo sapiens 47-52 16251386-1 2005 This commentary discusses the recent reports in RNA by Yan and colleagues and Westman and colleagues of the apparent failure of ribavirin to bind to recombinant eIF4E and inhibit 7-methyl guanosine cap-dependent exogenous mRNA translation of cell extracts in vitro. Ribavirin 128-137 eukaryotic translation initiation factor 4E Homo sapiens 161-166 16251386-3 2005 Possible reasons for the discordant findings of Yan and colleagues and Westman and colleagues are suggested, and direct observation of the specific binding of ribavirin to eIF4E by using mass spectrometry is presented. Ribavirin 159-168 eukaryotic translation initiation factor 4E Homo sapiens 172-177 16260273-4 2005 eIF-4E expression was evaluated by immunohistochemistry in 88 formalin-fixed, paraffin-embedded cervical tissues; 10 normal cervical specimens; 19 low-grade cervical intraepithelial neoplasias (CINs); 19 high-grade CINs; and 40 invasive squamous cell carcinomas (ISCCs). Formaldehyde 62-70 eukaryotic translation initiation factor 4E Homo sapiens 0-6 16260273-4 2005 eIF-4E expression was evaluated by immunohistochemistry in 88 formalin-fixed, paraffin-embedded cervical tissues; 10 normal cervical specimens; 19 low-grade cervical intraepithelial neoplasias (CINs); 19 high-grade CINs; and 40 invasive squamous cell carcinomas (ISCCs). Paraffin 78-86 eukaryotic translation initiation factor 4E Homo sapiens 0-6 16283521-0 2005 Sodium arsenite-induced inhibition of eukaryotic translation initiation factor 4E (eIF4E) results in cytotoxicity and cell death. sodium arsenite 0-15 eukaryotic translation initiation factor 4E Homo sapiens 38-81 16283521-0 2005 Sodium arsenite-induced inhibition of eukaryotic translation initiation factor 4E (eIF4E) results in cytotoxicity and cell death. sodium arsenite 0-15 eukaryotic translation initiation factor 4E Homo sapiens 83-88 16283521-3 2005 Currently, we have investigated whether the eukaryotic translation initiation factor 4E (eIF4E), the mRNA cap binding and rate limiting factor required for translation, is a target for As-induced cytotoxicity and cell death. Arsenic 185-187 eukaryotic translation initiation factor 4E Homo sapiens 44-87 16283521-3 2005 Currently, we have investigated whether the eukaryotic translation initiation factor 4E (eIF4E), the mRNA cap binding and rate limiting factor required for translation, is a target for As-induced cytotoxicity and cell death. Arsenic 185-187 eukaryotic translation initiation factor 4E Homo sapiens 89-94 16283521-4 2005 We have also investigated the potential cellular mechanisms underlying the As-induced de-regulation of expression of eIF4E that are most likely responsible for the cytotoxicity and cell death induced by As. Arsenic 75-77 eukaryotic translation initiation factor 4E Homo sapiens 117-122 16283521-4 2005 We have also investigated the potential cellular mechanisms underlying the As-induced de-regulation of expression of eIF4E that are most likely responsible for the cytotoxicity and cell death induced by As. Arsenic 203-205 eukaryotic translation initiation factor 4E Homo sapiens 117-122 16283521-6 2005 All the NaAsO2-treated cells exhibited significant inhibition of eIF4E gene (protein). sodium arsenite 8-14 eukaryotic translation initiation factor 4E Homo sapiens 65-70 16283521-7 2005 The potential involvement of eIF4E gene expression in the NaAsO2-induced cytotoxicity and cell death was investigated by silencing the cellular expression of the eIF4E gene by employing a small interfering RNA (SiRNA) specifically targeting the eIF4E gene"s expression. sodium arsenite 58-64 eukaryotic translation initiation factor 4E Homo sapiens 29-34 16283521-7 2005 The potential involvement of eIF4E gene expression in the NaAsO2-induced cytotoxicity and cell death was investigated by silencing the cellular expression of the eIF4E gene by employing a small interfering RNA (SiRNA) specifically targeting the eIF4E gene"s expression. sodium arsenite 58-64 eukaryotic translation initiation factor 4E Homo sapiens 162-167 16283521-7 2005 The potential involvement of eIF4E gene expression in the NaAsO2-induced cytotoxicity and cell death was investigated by silencing the cellular expression of the eIF4E gene by employing a small interfering RNA (SiRNA) specifically targeting the eIF4E gene"s expression. sodium arsenite 58-64 eukaryotic translation initiation factor 4E Homo sapiens 162-167 16283521-8 2005 The SiRNA-mediated silencing of eIF4E gene expression also resulted in significant cytotoxicity and cell death suggesting that the toxicity noticed among the NaAsO2-treated cells was probably due to the chemically induced inhibition of eIF4E gene expression. sodium arsenite 158-164 eukaryotic translation initiation factor 4E Homo sapiens 32-37 16283521-8 2005 The SiRNA-mediated silencing of eIF4E gene expression also resulted in significant cytotoxicity and cell death suggesting that the toxicity noticed among the NaAsO2-treated cells was probably due to the chemically induced inhibition of eIF4E gene expression. sodium arsenite 158-164 eukaryotic translation initiation factor 4E Homo sapiens 236-241 16283521-9 2005 The potential involvement of inhibition of eIF4E gene expression in the NaAsO2-induced cytotoxicity and cell death was further investigated by employing transgenic cell lines overexpressing the eIF4E gene. sodium arsenite 72-78 eukaryotic translation initiation factor 4E Homo sapiens 43-48 16283521-9 2005 The potential involvement of inhibition of eIF4E gene expression in the NaAsO2-induced cytotoxicity and cell death was further investigated by employing transgenic cell lines overexpressing the eIF4E gene. sodium arsenite 72-78 eukaryotic translation initiation factor 4E Homo sapiens 194-199 16283521-11 2005 Additional studies conducted to understand the potential mechanisms responsible for NaAsO2-induced inhibition of eIF4E gene expression demonstrated that exposure to NaAsO2 resulted in transcriptional down-regulation of the eIF4E gene only in HCT-15 and HeLa cells, while in the NaAsO2-treated and PLC/PR/5 and Chang cells, the eIF4E mRNA expression level was comparable to those of the corresponding control cells. sodium arsenite 84-90 eukaryotic translation initiation factor 4E Homo sapiens 113-118 16283521-11 2005 Additional studies conducted to understand the potential mechanisms responsible for NaAsO2-induced inhibition of eIF4E gene expression demonstrated that exposure to NaAsO2 resulted in transcriptional down-regulation of the eIF4E gene only in HCT-15 and HeLa cells, while in the NaAsO2-treated and PLC/PR/5 and Chang cells, the eIF4E mRNA expression level was comparable to those of the corresponding control cells. sodium arsenite 84-90 eukaryotic translation initiation factor 4E Homo sapiens 223-228 16283521-11 2005 Additional studies conducted to understand the potential mechanisms responsible for NaAsO2-induced inhibition of eIF4E gene expression demonstrated that exposure to NaAsO2 resulted in transcriptional down-regulation of the eIF4E gene only in HCT-15 and HeLa cells, while in the NaAsO2-treated and PLC/PR/5 and Chang cells, the eIF4E mRNA expression level was comparable to those of the corresponding control cells. sodium arsenite 165-171 eukaryotic translation initiation factor 4E Homo sapiens 113-118 16283521-11 2005 Additional studies conducted to understand the potential mechanisms responsible for NaAsO2-induced inhibition of eIF4E gene expression demonstrated that exposure to NaAsO2 resulted in transcriptional down-regulation of the eIF4E gene only in HCT-15 and HeLa cells, while in the NaAsO2-treated and PLC/PR/5 and Chang cells, the eIF4E mRNA expression level was comparable to those of the corresponding control cells. sodium arsenite 165-171 eukaryotic translation initiation factor 4E Homo sapiens 223-228 16283521-11 2005 Additional studies conducted to understand the potential mechanisms responsible for NaAsO2-induced inhibition of eIF4E gene expression demonstrated that exposure to NaAsO2 resulted in transcriptional down-regulation of the eIF4E gene only in HCT-15 and HeLa cells, while in the NaAsO2-treated and PLC/PR/5 and Chang cells, the eIF4E mRNA expression level was comparable to those of the corresponding control cells. sodium arsenite 165-171 eukaryotic translation initiation factor 4E Homo sapiens 113-118 16283521-11 2005 Additional studies conducted to understand the potential mechanisms responsible for NaAsO2-induced inhibition of eIF4E gene expression demonstrated that exposure to NaAsO2 resulted in transcriptional down-regulation of the eIF4E gene only in HCT-15 and HeLa cells, while in the NaAsO2-treated and PLC/PR/5 and Chang cells, the eIF4E mRNA expression level was comparable to those of the corresponding control cells. sodium arsenite 165-171 eukaryotic translation initiation factor 4E Homo sapiens 223-228 16283521-13 2005 Immunoprecipitation of lysates obtained from the NaAsO2-treated cells and the subsequent western blot analysis of the immunoprecipitated protein(s) using the eIF4E antibody detected the presence of eIF4E protein in the immunoprecipitate suggesting possible ubiquitination of eIF4E protein in the NaAsO2-treated cells. sodium arsenite 49-55 eukaryotic translation initiation factor 4E Homo sapiens 158-163 16283521-13 2005 Immunoprecipitation of lysates obtained from the NaAsO2-treated cells and the subsequent western blot analysis of the immunoprecipitated protein(s) using the eIF4E antibody detected the presence of eIF4E protein in the immunoprecipitate suggesting possible ubiquitination of eIF4E protein in the NaAsO2-treated cells. sodium arsenite 49-55 eukaryotic translation initiation factor 4E Homo sapiens 198-203 16283521-13 2005 Immunoprecipitation of lysates obtained from the NaAsO2-treated cells and the subsequent western blot analysis of the immunoprecipitated protein(s) using the eIF4E antibody detected the presence of eIF4E protein in the immunoprecipitate suggesting possible ubiquitination of eIF4E protein in the NaAsO2-treated cells. sodium arsenite 49-55 eukaryotic translation initiation factor 4E Homo sapiens 198-203 16283521-13 2005 Immunoprecipitation of lysates obtained from the NaAsO2-treated cells and the subsequent western blot analysis of the immunoprecipitated protein(s) using the eIF4E antibody detected the presence of eIF4E protein in the immunoprecipitate suggesting possible ubiquitination of eIF4E protein in the NaAsO2-treated cells. sodium arsenite 296-302 eukaryotic translation initiation factor 4E Homo sapiens 198-203 16283521-13 2005 Immunoprecipitation of lysates obtained from the NaAsO2-treated cells and the subsequent western blot analysis of the immunoprecipitated protein(s) using the eIF4E antibody detected the presence of eIF4E protein in the immunoprecipitate suggesting possible ubiquitination of eIF4E protein in the NaAsO2-treated cells. sodium arsenite 296-302 eukaryotic translation initiation factor 4E Homo sapiens 198-203 16283521-14 2005 Pre-exposure of the NaAsO2-treated cells to proteasome inhibitors blocked the inhibition of eIF4E gene expression as well as the resulting cytotoxicity and cell death. sodium arsenite 20-26 eukaryotic translation initiation factor 4E Homo sapiens 92-97 16283521-17 2005 Transfection of cells with SiRNA specifically targeting eIF4E gene expression resulted in a significant inhibition of cyclin D1 gene suggesting that the observed inhibition of cyclin D1 gene in the NaAsO2-treated cells is most likely mediated through inhibition of eIF4E gene. sodium arsenite 198-204 eukaryotic translation initiation factor 4E Homo sapiens 56-61 16283521-17 2005 Transfection of cells with SiRNA specifically targeting eIF4E gene expression resulted in a significant inhibition of cyclin D1 gene suggesting that the observed inhibition of cyclin D1 gene in the NaAsO2-treated cells is most likely mediated through inhibition of eIF4E gene. sodium arsenite 198-204 eukaryotic translation initiation factor 4E Homo sapiens 265-270 16283521-18 2005 Taken together, our results indicate that the exposure of cells to NaAsO2 resulted in cytotoxicity and cell death, at least in part, due to the inhibition of eIF4E gene expression leading to diminished cellular levels of critical genes such as cyclin D1. sodium arsenite 67-73 eukaryotic translation initiation factor 4E Homo sapiens 158-163 16408751-9 2005 Compared with control groups the protein expression of eIF4E, eIF4G, bFGF and VEGF were significantly inhibited by elemene (P < 0.05), and the microvessel density in elemene treated groups decreased (P < 0.05). elemene 115-122 eukaryotic translation initiation factor 4E Homo sapiens 55-60 16408751-9 2005 Compared with control groups the protein expression of eIF4E, eIF4G, bFGF and VEGF were significantly inhibited by elemene (P < 0.05), and the microvessel density in elemene treated groups decreased (P < 0.05). elemene 169-176 eukaryotic translation initiation factor 4E Homo sapiens 55-60 16166632-7 2005 Overexpression of eIF4E rendered polysome recruitment of mRNAs with structured 5" untranslated regions largely independent of growth factor and resistant to the PI3K inhibitor LY294002. 2-(4-morpholinyl)-8-phenyl-4H-1-benzopyran-4-one 176-184 eukaryotic translation initiation factor 4E Homo sapiens 18-23 16131589-4 2005 2004) presented evidence that the antiviral nucleoside ribavirin and its phosphorylated derivatives were structural mimics of the mRNA cap, high-affinity ligands for eIF4E, and potent repressors of eIF4E-mediated cell transformation and tumor growth. Ribavirin 55-64 eukaryotic translation initiation factor 4E Homo sapiens 166-171 16131589-4 2005 2004) presented evidence that the antiviral nucleoside ribavirin and its phosphorylated derivatives were structural mimics of the mRNA cap, high-affinity ligands for eIF4E, and potent repressors of eIF4E-mediated cell transformation and tumor growth. Ribavirin 55-64 eukaryotic translation initiation factor 4E Homo sapiens 198-203 16131589-7 2005 Using a set of reporter mRNAs that are translated via either cap-dependent or viral internal ribosome entry sites (IRES)-dependent initiation, we found that these ribavirin-containing compounds did inhibit translation at high (millimolar) concentrations, but there was no correlation of this inhibition with an eIF4E requirement for translation. Ribavirin 163-172 eukaryotic translation initiation factor 4E Homo sapiens 311-316 16191198-3 2005 Three dimensional structures of eIF4Es bound to cap-analogues resemble "cupped-hands" in which the cap-structure is sandwiched between two conserved Trp residues (Trp-56 and Trp-102 of H. sapiens eIF4E). Tryptophan 149-152 eukaryotic translation initiation factor 4E Homo sapiens 32-37 16191198-3 2005 Three dimensional structures of eIF4Es bound to cap-analogues resemble "cupped-hands" in which the cap-structure is sandwiched between two conserved Trp residues (Trp-56 and Trp-102 of H. sapiens eIF4E). Tryptophan 163-166 eukaryotic translation initiation factor 4E Homo sapiens 32-37 16191198-3 2005 Three dimensional structures of eIF4Es bound to cap-analogues resemble "cupped-hands" in which the cap-structure is sandwiched between two conserved Trp residues (Trp-56 and Trp-102 of H. sapiens eIF4E). Tryptophan 163-166 eukaryotic translation initiation factor 4E Homo sapiens 32-37 16191198-4 2005 A third conserved Trp residue (Trp-166 of H. sapiens eIF4E) recognizes the 7-methyl moiety of the cap-structure. Tryptophan 18-21 eukaryotic translation initiation factor 4E Homo sapiens 53-58 16191198-4 2005 A third conserved Trp residue (Trp-166 of H. sapiens eIF4E) recognizes the 7-methyl moiety of the cap-structure. Tryptophan 31-34 eukaryotic translation initiation factor 4E Homo sapiens 53-58 16191198-10 2005 Class I members carry Trp residues equivalent to Trp-43 and Trp-56 of H. sapiens eIF4E and appear to be present in all eukaryotes. Tryptophan 22-25 eukaryotic translation initiation factor 4E Homo sapiens 81-86 16191198-10 2005 Class I members carry Trp residues equivalent to Trp-43 and Trp-56 of H. sapiens eIF4E and appear to be present in all eukaryotes. Tryptophan 49-52 eukaryotic translation initiation factor 4E Homo sapiens 81-86 16191198-10 2005 Class I members carry Trp residues equivalent to Trp-43 and Trp-56 of H. sapiens eIF4E and appear to be present in all eukaryotes. Tryptophan 49-52 eukaryotic translation initiation factor 4E Homo sapiens 81-86 16242075-7 2005 Individually, EKI-785 diminishes while rapamycin promotes the binding of the translation inhibitor eukaryotic initiation factor 4E binding protein (4EBP1) to the eukaryotic translation initiation factor 4E (eIF4E). Sirolimus 39-48 eukaryotic translation initiation factor 4E Homo sapiens 207-212 16103051-9 2005 The rapamycin-induced phosphorylation of Akt and eIF4E was suppressed by the phosphatidylinositol-3 kinase (PI3K) inhibitor LY294002, suggesting the requirement of PI3K in this process. 2-(4-morpholinyl)-8-phenyl-4H-1-benzopyran-4-one 124-132 eukaryotic translation initiation factor 4E Homo sapiens 49-54 15901615-4 2005 In the present study, we hypothesized that phosphorylation of eukaryotic initiation factor-4E (eIF4E)-binding protein (4E-BP), which subsequently releases eIF4E and initiates cap-dependent mRNA translation, was required for airway smooth muscle hypertrophy. cap 175-178 eukaryotic translation initiation factor 4E Homo sapiens 62-93 16103051-8 2005 Paradoxically, rapamycin also concurrently increased the phosphorylation of both Akt and eIF4E. Sirolimus 15-24 eukaryotic translation initiation factor 4E Homo sapiens 89-94 16103051-9 2005 The rapamycin-induced phosphorylation of Akt and eIF4E was suppressed by the phosphatidylinositol-3 kinase (PI3K) inhibitor LY294002, suggesting the requirement of PI3K in this process. Sirolimus 4-13 eukaryotic translation initiation factor 4E Homo sapiens 49-54 15901615-4 2005 In the present study, we hypothesized that phosphorylation of eukaryotic initiation factor-4E (eIF4E)-binding protein (4E-BP), which subsequently releases eIF4E and initiates cap-dependent mRNA translation, was required for airway smooth muscle hypertrophy. cap 175-178 eukaryotic translation initiation factor 4E Homo sapiens 95-100 15901615-4 2005 In the present study, we hypothesized that phosphorylation of eukaryotic initiation factor-4E (eIF4E)-binding protein (4E-BP), which subsequently releases eIF4E and initiates cap-dependent mRNA translation, was required for airway smooth muscle hypertrophy. cap 175-178 eukaryotic translation initiation factor 4E Homo sapiens 155-160 16043507-3 2005 To obtain supporting functional data for this hypothesis, we assessed the ability of ribavirin triphosphate to interfere with the interaction between eIF4E and 7-methyl guanosine capped mRNA. ribavirin 5'-triphosphate 85-107 eukaryotic translation initiation factor 4E Homo sapiens 150-155 16024782-0 2005 hnRNP K binds a core polypyrimidine element in the eukaryotic translation initiation factor 4E (eIF4E) promoter, and its regulation of eIF4E contributes to neoplastic transformation. polypyrimidine 21-35 eukaryotic translation initiation factor 4E Homo sapiens 51-94 16024782-0 2005 hnRNP K binds a core polypyrimidine element in the eukaryotic translation initiation factor 4E (eIF4E) promoter, and its regulation of eIF4E contributes to neoplastic transformation. polypyrimidine 21-35 eukaryotic translation initiation factor 4E Homo sapiens 96-101 15701678-5 2005 INS also promoted phosphorylation of ERK1/2, S6K1, and 4E-BP1 and dephosphorylation of eIF4E. Insulin 0-3 eukaryotic translation initiation factor 4E Homo sapiens 87-92 15897904-2 2005 In this study we examine whether paclitaxel (PTX) alters the expression and/or phosphorylation of the translation initiation proteins, eukaryotic initiation factor 4E (eIF-4E) and 4E-binding protein (4E-BP1), a suppressor of eIF-4E in the dephosphorylated state. Paclitaxel 33-43 eukaryotic translation initiation factor 4E Homo sapiens 135-166 15897904-2 2005 In this study we examine whether paclitaxel (PTX) alters the expression and/or phosphorylation of the translation initiation proteins, eukaryotic initiation factor 4E (eIF-4E) and 4E-binding protein (4E-BP1), a suppressor of eIF-4E in the dephosphorylated state. Paclitaxel 33-43 eukaryotic translation initiation factor 4E Homo sapiens 168-174 15897904-2 2005 In this study we examine whether paclitaxel (PTX) alters the expression and/or phosphorylation of the translation initiation proteins, eukaryotic initiation factor 4E (eIF-4E) and 4E-binding protein (4E-BP1), a suppressor of eIF-4E in the dephosphorylated state. Paclitaxel 33-43 eukaryotic translation initiation factor 4E Homo sapiens 225-231 15897904-2 2005 In this study we examine whether paclitaxel (PTX) alters the expression and/or phosphorylation of the translation initiation proteins, eukaryotic initiation factor 4E (eIF-4E) and 4E-binding protein (4E-BP1), a suppressor of eIF-4E in the dephosphorylated state. Paclitaxel 45-48 eukaryotic translation initiation factor 4E Homo sapiens 135-166 15897904-2 2005 In this study we examine whether paclitaxel (PTX) alters the expression and/or phosphorylation of the translation initiation proteins, eukaryotic initiation factor 4E (eIF-4E) and 4E-binding protein (4E-BP1), a suppressor of eIF-4E in the dephosphorylated state. Paclitaxel 45-48 eukaryotic translation initiation factor 4E Homo sapiens 168-174 15897904-2 2005 In this study we examine whether paclitaxel (PTX) alters the expression and/or phosphorylation of the translation initiation proteins, eukaryotic initiation factor 4E (eIF-4E) and 4E-binding protein (4E-BP1), a suppressor of eIF-4E in the dephosphorylated state. Paclitaxel 45-48 eukaryotic translation initiation factor 4E Homo sapiens 225-231 15897904-3 2005 We found that PTX induced the hyperphosphorylation of 4E-BP1 in the breast cancer cell line, MDA MB 231, which reduced its association with eIF-4E, but did not alter the expression and phosphorylation of eIF-4E. Paclitaxel 14-17 eukaryotic translation initiation factor 4E Homo sapiens 140-146 15897904-6 2005 The hyperphosphorylation of 4E-BP1 by PTX increased the association of eIF-4E with eIF-4G, whereas cotreatment with purvalanol A inhibited the association of eIF-4E with eIF-4G in PTX treated cells. Paclitaxel 38-41 eukaryotic translation initiation factor 4E Homo sapiens 71-77 15897904-6 2005 The hyperphosphorylation of 4E-BP1 by PTX increased the association of eIF-4E with eIF-4G, whereas cotreatment with purvalanol A inhibited the association of eIF-4E with eIF-4G in PTX treated cells. 6-((3-chloro)anilino)-2-(isopropyl-2-hydroxyethylamino)-9-isopropylpurine 116-128 eukaryotic translation initiation factor 4E Homo sapiens 158-164 15897904-7 2005 Taken together, our data suggest that PTX-increases the functional level of eIF-4E by promoting the hyperphosphorylation and release of 4E-BP1 through a cdk1-dependent mechanism. Paclitaxel 38-41 eukaryotic translation initiation factor 4E Homo sapiens 76-82 15701678-9 2005 Finally, treatment of myotubes with PD-98059 or dnMEK1 adenovirus before TNF + INS addition resulted in a derepression of protein synthesis and the association of eIF4G with eIF4E. 2-(2-amino-3-methoxyphenyl)-4H-1-benzopyran-4-one 36-44 eukaryotic translation initiation factor 4E Homo sapiens 174-179 15763431-7 2005 Treatment with the p38 inhibitor, SB202190, or either of the ERK1/2 inhibitors, PD98059 and U0126, partially blocked Stx1-induced eIF4E phosphorylation. 4-(4-fluorophenyl)-2-(4-hydroxyphenyl)-5-(4-pyridyl)imidazole 34-42 eukaryotic translation initiation factor 4E Homo sapiens 130-135 15763431-7 2005 Treatment with the p38 inhibitor, SB202190, or either of the ERK1/2 inhibitors, PD98059 and U0126, partially blocked Stx1-induced eIF4E phosphorylation. 2-(2-amino-3-methoxyphenyl)-4H-1-benzopyran-4-one 80-87 eukaryotic translation initiation factor 4E Homo sapiens 130-135 15763431-7 2005 Treatment with the p38 inhibitor, SB202190, or either of the ERK1/2 inhibitors, PD98059 and U0126, partially blocked Stx1-induced eIF4E phosphorylation. U 0126 92-97 eukaryotic translation initiation factor 4E Homo sapiens 130-135 15763431-8 2005 The Mnk1 inhibitor, CGP57380, blocked both basal and Stx-induced eIF4E phosphorylation. CGP 57380 20-28 eukaryotic translation initiation factor 4E Homo sapiens 65-70 15878868-0 2005 Eukaryotic translation initiation factor 4E is a cellular target for toxicity and death due to exposure to cadmium chloride. Cadmium Chloride 107-123 eukaryotic translation initiation factor 4E Homo sapiens 0-43 15878868-1 2005 Whether translation initiation factor 4E (eIF4E), the mRNA cap binding and rate-limiting factor required for translation, is a target for cytotoxicity and cell death induced by cadmium, a human carcinogen, was investigated. Cadmium 177-184 eukaryotic translation initiation factor 4E Homo sapiens 42-47 15878868-2 2005 Exposure of human cell lines, HCT15, PLC/PR/5, HeLa, and Chang, to cadmium chloride resulted in cytotoxicity and cell death, and this was associated with a significant decrease in eIF4E protein levels. Cadmium Chloride 67-83 eukaryotic translation initiation factor 4E Homo sapiens 180-185 15878868-4 2005 On the other hand, overexpression of the eIF4E gene was protective against the cadmium-induced cytotoxicity and cell death. Cadmium 79-86 eukaryotic translation initiation factor 4E Homo sapiens 41-46 15878868-6 2005 In addition, exposure of cells to cadmium resulted in enhanced ubiquitination of eIF4E protein while inhibitors of proteasome activity reversed the cadmium-induced decrease of eIF4E protein. Cadmium 34-41 eukaryotic translation initiation factor 4E Homo sapiens 81-86 15878868-6 2005 In addition, exposure of cells to cadmium resulted in enhanced ubiquitination of eIF4E protein while inhibitors of proteasome activity reversed the cadmium-induced decrease of eIF4E protein. Cadmium 148-155 eukaryotic translation initiation factor 4E Homo sapiens 176-181 15878868-7 2005 Exposure of cells to cadmium, as well as the specific silencing of eIF4E gene, also resulted in decreased cellular levels of cyclin D1, a critical cell cycle and growth regulating gene, suggesting that the observed inhibition of cyclin D1 gene expression in the cadmium-treated cells is most likely due to decreased cellular level of eIF4E. Cadmium 21-28 eukaryotic translation initiation factor 4E Homo sapiens 334-339 15878868-7 2005 Exposure of cells to cadmium, as well as the specific silencing of eIF4E gene, also resulted in decreased cellular levels of cyclin D1, a critical cell cycle and growth regulating gene, suggesting that the observed inhibition of cyclin D1 gene expression in the cadmium-treated cells is most likely due to decreased cellular level of eIF4E. Cadmium 262-269 eukaryotic translation initiation factor 4E Homo sapiens 67-72 15878868-8 2005 Taken together, our results demonstrate that the exposure of cells to cadmium chloride resulted in cytotoxicity and cell death due to enhanced ubiquitination and consequent proteolysis of eIF4E protein, which in turn diminished cellular levels of critical genes such as cyclin D1. Cadmium Chloride 70-86 eukaryotic translation initiation factor 4E Homo sapiens 188-193 15542544-3 2005 In this report, exposure of human lung fibroblasts to 95% O2 decreased the incorporation of thymidine into DNA at 6 h and the incorporation of leucine into protein beginning at 12 h. The reductions in DNA and protein synthesis were accompanied by increased phosphorylation of eIF4E protein and reduced phosphorylation of 4E-BP1. Oxygen 58-60 eukaryotic translation initiation factor 4E Homo sapiens 276-281 15757502-11 2005 Inhibition of the MAPK-interacting kinases by CGP57380 decreases the phosphorylation of eIF4E and PE-induced protein synthesis. CGP 57380 46-54 eukaryotic translation initiation factor 4E Homo sapiens 88-93 15766285-4 2005 The temperature-dependent K(d) values for cap analogues were markedly lower, indicating tighter binding, with the eIF4E(K119A) mutant compared with wild-type eIF4E. cap 42-45 eukaryotic translation initiation factor 4E Homo sapiens 114-119 15766285-4 2005 The temperature-dependent K(d) values for cap analogues were markedly lower, indicating tighter binding, with the eIF4E(K119A) mutant compared with wild-type eIF4E. cap 42-45 eukaryotic translation initiation factor 4E Homo sapiens 158-163 15611226-7 2005 Moreover, we demonstrate that chemotherapeutic agents that suppress protein synthesis and reverse the CD40-mediated dissociation of the translational repressor eukaryotic initiation factor 4E-binding protein from the initiation factor eukaryotic initiation factor 4E, such as 5-fluorouracil, etoposide, and quercetin, dramatically increase the susceptibility of cervical carcinoma cells to CD40L-induced apoptosis. Fluorouracil 276-290 eukaryotic translation initiation factor 4E Homo sapiens 160-191 15471950-6 2005 RA treatment of leukemia cells also resulted in an mTOR-mediated phosphorylation of the 4E-BP1 repressor of mRNA translation, to induce its deactivation and dissociation from the eukaryotic initiation factor-4E (eIF-4E) complex. Tretinoin 0-2 eukaryotic translation initiation factor 4E Homo sapiens 179-210 15471950-6 2005 RA treatment of leukemia cells also resulted in an mTOR-mediated phosphorylation of the 4E-BP1 repressor of mRNA translation, to induce its deactivation and dissociation from the eukaryotic initiation factor-4E (eIF-4E) complex. Tretinoin 0-2 eukaryotic translation initiation factor 4E Homo sapiens 212-218 15657436-8 2005 At the biochemical level, HOXA9 mediates these effects by competing with factors that repress eIF4E function, in particular the proline-rich homeodomain PRH/Hex. Proline 128-135 eukaryotic translation initiation factor 4E Homo sapiens 94-99 15388509-3 2005 The purpose of the present set of experiments was to determine whether acute alcohol intoxication alters the phosphorylation state of eukaryotic initiation factor (eIF) 4G, eIF4G.eIF4E complex formation, and the mammalian target of rapamycin (mTOR) signaling pathway in the heart. Alcohols 77-84 eukaryotic translation initiation factor 4E Homo sapiens 179-184 15388509-7 2005 Alcohol administration lowered formation of the active eIF4G.eIF4E complex by >90%, whereas it increased the abundance of the inactive 4E-binding protein 1 (4E-BP1).eIF4E complex by approximately 160%. Alcohols 0-7 eukaryotic translation initiation factor 4E Homo sapiens 61-66 15388509-7 2005 Alcohol administration lowered formation of the active eIF4G.eIF4E complex by >90%, whereas it increased the abundance of the inactive 4E-binding protein 1 (4E-BP1).eIF4E complex by approximately 160%. Alcohols 0-7 eukaryotic translation initiation factor 4E Homo sapiens 168-173 15388509-11 2005 These data suggest that acute alcohol-induced impairments in myocardial mRNA translation initiation result, in part, from marked decreases in eIF4G.eIF4E complex formation, which appear to be independent of changes in phosphorylation of eIF4G but dependent on mTOR. Alcohols 30-37 eukaryotic translation initiation factor 4E Homo sapiens 148-153 15611226-7 2005 Moreover, we demonstrate that chemotherapeutic agents that suppress protein synthesis and reverse the CD40-mediated dissociation of the translational repressor eukaryotic initiation factor 4E-binding protein from the initiation factor eukaryotic initiation factor 4E, such as 5-fluorouracil, etoposide, and quercetin, dramatically increase the susceptibility of cervical carcinoma cells to CD40L-induced apoptosis. Etoposide 292-301 eukaryotic translation initiation factor 4E Homo sapiens 160-191 15611226-7 2005 Moreover, we demonstrate that chemotherapeutic agents that suppress protein synthesis and reverse the CD40-mediated dissociation of the translational repressor eukaryotic initiation factor 4E-binding protein from the initiation factor eukaryotic initiation factor 4E, such as 5-fluorouracil, etoposide, and quercetin, dramatically increase the susceptibility of cervical carcinoma cells to CD40L-induced apoptosis. Etoposide 292-301 eukaryotic translation initiation factor 4E Homo sapiens 235-266 15611226-7 2005 Moreover, we demonstrate that chemotherapeutic agents that suppress protein synthesis and reverse the CD40-mediated dissociation of the translational repressor eukaryotic initiation factor 4E-binding protein from the initiation factor eukaryotic initiation factor 4E, such as 5-fluorouracil, etoposide, and quercetin, dramatically increase the susceptibility of cervical carcinoma cells to CD40L-induced apoptosis. Quercetin 307-316 eukaryotic translation initiation factor 4E Homo sapiens 160-191 15611226-7 2005 Moreover, we demonstrate that chemotherapeutic agents that suppress protein synthesis and reverse the CD40-mediated dissociation of the translational repressor eukaryotic initiation factor 4E-binding protein from the initiation factor eukaryotic initiation factor 4E, such as 5-fluorouracil, etoposide, and quercetin, dramatically increase the susceptibility of cervical carcinoma cells to CD40L-induced apoptosis. Quercetin 307-316 eukaryotic translation initiation factor 4E Homo sapiens 235-266 15611226-7 2005 Moreover, we demonstrate that chemotherapeutic agents that suppress protein synthesis and reverse the CD40-mediated dissociation of the translational repressor eukaryotic initiation factor 4E-binding protein from the initiation factor eukaryotic initiation factor 4E, such as 5-fluorouracil, etoposide, and quercetin, dramatically increase the susceptibility of cervical carcinoma cells to CD40L-induced apoptosis. Fluorouracil 276-290 eukaryotic translation initiation factor 4E Homo sapiens 235-266 15611299-6 2005 Aptamer 1 inhibits the cap binding to eIF4E more efficiently than the cap analog m7GpppN or aptamer 2. m7gpppn 81-88 eukaryotic translation initiation factor 4E Homo sapiens 38-43 15601771-0 2004 Ribavirin suppresses eIF4E-mediated oncogenic transformation by physical mimicry of the 7-methyl guanosine mRNA cap. Ribavirin 0-9 eukaryotic translation initiation factor 4E Homo sapiens 21-26 15601771-2 2004 Oncogenic properties of eIF4E are directly linked to its ability to bind 7-methyl guanosine of the 5" mRNA. 7-methylguanosine 73-91 eukaryotic translation initiation factor 4E Homo sapiens 24-29 15601771-3 2004 Here, we observe that the antiviral guanosine analogue ribavirin binds to eIF4E with micromolar affinity at the functional site used by 7-methyl guanosine mRNA cap, competes with eIF4E:mRNA binding, and, at low micromolar concentrations, selectively disrupts eIF4E subcellular organization and transport and translation of mRNAs posttranscriptionally regulated by eIF4E, thereby reducing levels of oncogenes such as cyclin D1. Guanosine 36-45 eukaryotic translation initiation factor 4E Homo sapiens 74-79 15601771-3 2004 Here, we observe that the antiviral guanosine analogue ribavirin binds to eIF4E with micromolar affinity at the functional site used by 7-methyl guanosine mRNA cap, competes with eIF4E:mRNA binding, and, at low micromolar concentrations, selectively disrupts eIF4E subcellular organization and transport and translation of mRNAs posttranscriptionally regulated by eIF4E, thereby reducing levels of oncogenes such as cyclin D1. Guanosine 36-45 eukaryotic translation initiation factor 4E Homo sapiens 179-184 15601771-3 2004 Here, we observe that the antiviral guanosine analogue ribavirin binds to eIF4E with micromolar affinity at the functional site used by 7-methyl guanosine mRNA cap, competes with eIF4E:mRNA binding, and, at low micromolar concentrations, selectively disrupts eIF4E subcellular organization and transport and translation of mRNAs posttranscriptionally regulated by eIF4E, thereby reducing levels of oncogenes such as cyclin D1. Guanosine 36-45 eukaryotic translation initiation factor 4E Homo sapiens 179-184 15601771-3 2004 Here, we observe that the antiviral guanosine analogue ribavirin binds to eIF4E with micromolar affinity at the functional site used by 7-methyl guanosine mRNA cap, competes with eIF4E:mRNA binding, and, at low micromolar concentrations, selectively disrupts eIF4E subcellular organization and transport and translation of mRNAs posttranscriptionally regulated by eIF4E, thereby reducing levels of oncogenes such as cyclin D1. Guanosine 36-45 eukaryotic translation initiation factor 4E Homo sapiens 179-184 15292274-5 2004 Surprisingly, although rapamycin, RAD001, wortmannin, and LY294002 inhibited the phosphorylation of 4E-BP1 and its release from eIF4E, they did not prevent the recovery of translation rates. Sirolimus 23-32 eukaryotic translation initiation factor 4E Homo sapiens 128-133 15601771-3 2004 Here, we observe that the antiviral guanosine analogue ribavirin binds to eIF4E with micromolar affinity at the functional site used by 7-methyl guanosine mRNA cap, competes with eIF4E:mRNA binding, and, at low micromolar concentrations, selectively disrupts eIF4E subcellular organization and transport and translation of mRNAs posttranscriptionally regulated by eIF4E, thereby reducing levels of oncogenes such as cyclin D1. Ribavirin 55-64 eukaryotic translation initiation factor 4E Homo sapiens 74-79 15601771-3 2004 Here, we observe that the antiviral guanosine analogue ribavirin binds to eIF4E with micromolar affinity at the functional site used by 7-methyl guanosine mRNA cap, competes with eIF4E:mRNA binding, and, at low micromolar concentrations, selectively disrupts eIF4E subcellular organization and transport and translation of mRNAs posttranscriptionally regulated by eIF4E, thereby reducing levels of oncogenes such as cyclin D1. Ribavirin 55-64 eukaryotic translation initiation factor 4E Homo sapiens 179-184 15601771-3 2004 Here, we observe that the antiviral guanosine analogue ribavirin binds to eIF4E with micromolar affinity at the functional site used by 7-methyl guanosine mRNA cap, competes with eIF4E:mRNA binding, and, at low micromolar concentrations, selectively disrupts eIF4E subcellular organization and transport and translation of mRNAs posttranscriptionally regulated by eIF4E, thereby reducing levels of oncogenes such as cyclin D1. Ribavirin 55-64 eukaryotic translation initiation factor 4E Homo sapiens 179-184 15601771-3 2004 Here, we observe that the antiviral guanosine analogue ribavirin binds to eIF4E with micromolar affinity at the functional site used by 7-methyl guanosine mRNA cap, competes with eIF4E:mRNA binding, and, at low micromolar concentrations, selectively disrupts eIF4E subcellular organization and transport and translation of mRNAs posttranscriptionally regulated by eIF4E, thereby reducing levels of oncogenes such as cyclin D1. Ribavirin 55-64 eukaryotic translation initiation factor 4E Homo sapiens 179-184 15601771-3 2004 Here, we observe that the antiviral guanosine analogue ribavirin binds to eIF4E with micromolar affinity at the functional site used by 7-methyl guanosine mRNA cap, competes with eIF4E:mRNA binding, and, at low micromolar concentrations, selectively disrupts eIF4E subcellular organization and transport and translation of mRNAs posttranscriptionally regulated by eIF4E, thereby reducing levels of oncogenes such as cyclin D1. 7-methylguanosine 136-154 eukaryotic translation initiation factor 4E Homo sapiens 74-79 15601771-4 2004 Ribavirin potently suppresses eIF4E-mediated oncogenic transformation of murine cells in vitro, of tumor growth of a mouse model of eIF4E-dependent human squamous cell carcinoma in vivo, and of colony formation of eIF4E-dependent acute myelogenous leukemia cells derived from human patients. Ribavirin 0-9 eukaryotic translation initiation factor 4E Homo sapiens 132-137 15601771-7 2004 In all, ribavirin"s association with eIF4E may provide a pharmacologic means for the interruption of posttranscriptional networks of oncogenes that maintain and enhance neoplasia and malignancy in human cancer. Ribavirin 8-17 eukaryotic translation initiation factor 4E Homo sapiens 37-42 15292274-5 2004 Surprisingly, although rapamycin, RAD001, wortmannin, and LY294002 inhibited the phosphorylation of 4E-BP1 and its release from eIF4E, they did not prevent the recovery of translation rates. Wortmannin 42-52 eukaryotic translation initiation factor 4E Homo sapiens 128-133 15292274-5 2004 Surprisingly, although rapamycin, RAD001, wortmannin, and LY294002 inhibited the phosphorylation of 4E-BP1 and its release from eIF4E, they did not prevent the recovery of translation rates. 2-(4-morpholinyl)-8-phenyl-4H-1-benzopyran-4-one 58-66 eukaryotic translation initiation factor 4E Homo sapiens 128-133 15491137-4 2004 A nontrivial, statistically important isothermal enthalpy-entropy compensation has been detected (T(c) = 399 +/- 24 K), which points to significant fluctuations of apo-eIF4E and indicates that the cap-binding microstate lies 9.66 +/- 1.7 kJ mol(-1) below the mean energy of all available conformational states. cap 197-200 eukaryotic translation initiation factor 4E Homo sapiens 168-173 15491137-8 2004 Thermodynamic coupling of cap-eIF4E association to intramolecular self-stacking of dinucleotide cap analogues strongly influences the enthalpies and entropies of the binding, but has a negligible effect on the resultant DeltaG degrees and DeltaC(p) degrees values. Dinucleoside Phosphates 83-95 eukaryotic translation initiation factor 4E Homo sapiens 30-35 15355912-10 2004 Rapamycin analogs can potentially be used as adjuvant therapy for patients with eIF4E-positive margins. Sirolimus 0-9 eukaryotic translation initiation factor 4E Homo sapiens 80-85 15317596-4 2004 Inhibition of eIF4E phosphorylation with CGP57380 failed to prevent translational reprogramming or the moderate decrease in eIF4F complexes at later times. CGP 57380 41-49 eukaryotic translation initiation factor 4E Homo sapiens 14-19 15248766-4 2004 Phosphorylation of eIF(iso)4E has effects on m(7)G cap-binding affinity similar to those of phosphorylation of mammalian eIF4E even though eIF(iso)4E lacks an amino acid that can be phosphorylated at the residue corresponding to Ser-209, the phosphorylation site in mammalian eIF4E. Serine 229-232 eukaryotic translation initiation factor 4E Homo sapiens 121-126 15273325-6 2004 The interactions between cap analogs and eIF4E, a cap-binding protein that plays a key role in initiation of translation, can be monitored by measuring intrinsic fluorescence quenching of the tryptophan residues. Tryptophan 192-202 eukaryotic translation initiation factor 4E Homo sapiens 41-46 15220445-3 2004 Cap-dependent mRNA translation generally correlates with Mnk1 phosphorylation of eIF4E when both are bound to eIF4G. cap 0-3 eukaryotic translation initiation factor 4E Homo sapiens 81-86 15194498-10 2004 The p38 MAPK inhibitor, SB203580, inhibited effectively phosphorylation of HSP-27, CREB, and eIF4E in SARS-CoV-infected cells. SB 203580 24-32 eukaryotic translation initiation factor 4E Homo sapiens 93-98 15190216-3 2004 Interestingly, lymphomas expressing Akt, but not those expressing Bcl-2 are sensitized to chemotherapy-induced apoptosis by the mTOR inhibitor rapamycin, an effect that is countered by eIF4E. Sirolimus 143-152 eukaryotic translation initiation factor 4E Homo sapiens 185-190 15220445-6 2004 The eIF4G-binding site is located in an N-terminal 66-amino-acid peptide of 100K which is sufficient to bind eIF4G, displace Mnk1, block eIF4E phosphorylation, and inhibit eIF4F (cap)-dependent cellular mRNA translation. cap 179-182 eukaryotic translation initiation factor 4E Homo sapiens 137-142 15220445-6 2004 The eIF4G-binding site is located in an N-terminal 66-amino-acid peptide of 100K which is sufficient to bind eIF4G, displace Mnk1, block eIF4E phosphorylation, and inhibit eIF4F (cap)-dependent cellular mRNA translation. cap 179-182 eukaryotic translation initiation factor 4E Homo sapiens 172-177 15051500-6 2004 In addition to phosphorylation of 40S ribosomal protein, IFNgamma also induces phosphorylation of the 4E-BP1 repressor of mRNA translation on threonines 37/46, threonine 70, and serine 65, sites whose phosphorylation is required for the inactivation of 4E-BP1 and its dissociation from the eukaryotic initiation factor-4E (eIF4E) complex. Threonine 142-152 eukaryotic translation initiation factor 4E Homo sapiens 290-321 15354786-5 2004 The protein expression of eIF4E, eIF4G, bFGF and VEGF were significantly inhibited by elemene; and the mRNA expression of bFGF and VEGF were inhibited either. elemene 86-93 eukaryotic translation initiation factor 4E Homo sapiens 26-31 15109672-3 2004 This preliminary communication describes the synthesis of a fluorescein labeled 7-methylguanosinemonophosphate, and its dose dependent binding to purified human eIF4E as demonstrated by the fluorescence polarization assay. Fluorescein 60-71 eukaryotic translation initiation factor 4E Homo sapiens 161-166 15109672-3 2004 This preliminary communication describes the synthesis of a fluorescein labeled 7-methylguanosinemonophosphate, and its dose dependent binding to purified human eIF4E as demonstrated by the fluorescence polarization assay. 7-methylguanosinemonophosphate 80-110 eukaryotic translation initiation factor 4E Homo sapiens 161-166 14990584-6 2004 Here we show that eIF4E rescued cells from the ER stressors brefeldin A, tunicamycin, thapsigargin, and the Ca(2+) ionophore A23187. Brefeldin A 60-71 eukaryotic translation initiation factor 4E Homo sapiens 18-23 14990584-6 2004 Here we show that eIF4E rescued cells from the ER stressors brefeldin A, tunicamycin, thapsigargin, and the Ca(2+) ionophore A23187. Tunicamycin 73-84 eukaryotic translation initiation factor 4E Homo sapiens 18-23 14990584-6 2004 Here we show that eIF4E rescued cells from the ER stressors brefeldin A, tunicamycin, thapsigargin, and the Ca(2+) ionophore A23187. Thapsigargin 86-98 eukaryotic translation initiation factor 4E Homo sapiens 18-23 14990584-6 2004 Here we show that eIF4E rescued cells from the ER stressors brefeldin A, tunicamycin, thapsigargin, and the Ca(2+) ionophore A23187. Calcimycin 125-131 eukaryotic translation initiation factor 4E Homo sapiens 18-23 15122903-5 2004 To address this problem, we have determined the binding affinities of eIF4E specifically mutated at position 209 or 159 for a series of novel mono- and dinucleotide cap analogues by a fluorometric time-synchronized titration method. mono- and dinucleotide 142-164 eukaryotic translation initiation factor 4E Homo sapiens 70-75 15051500-6 2004 In addition to phosphorylation of 40S ribosomal protein, IFNgamma also induces phosphorylation of the 4E-BP1 repressor of mRNA translation on threonines 37/46, threonine 70, and serine 65, sites whose phosphorylation is required for the inactivation of 4E-BP1 and its dissociation from the eukaryotic initiation factor-4E (eIF4E) complex. Threonine 142-152 eukaryotic translation initiation factor 4E Homo sapiens 323-328 15051500-6 2004 In addition to phosphorylation of 40S ribosomal protein, IFNgamma also induces phosphorylation of the 4E-BP1 repressor of mRNA translation on threonines 37/46, threonine 70, and serine 65, sites whose phosphorylation is required for the inactivation of 4E-BP1 and its dissociation from the eukaryotic initiation factor-4E (eIF4E) complex. Threonine 142-151 eukaryotic translation initiation factor 4E Homo sapiens 290-321 15051500-6 2004 In addition to phosphorylation of 40S ribosomal protein, IFNgamma also induces phosphorylation of the 4E-BP1 repressor of mRNA translation on threonines 37/46, threonine 70, and serine 65, sites whose phosphorylation is required for the inactivation of 4E-BP1 and its dissociation from the eukaryotic initiation factor-4E (eIF4E) complex. Threonine 142-151 eukaryotic translation initiation factor 4E Homo sapiens 323-328 14675529-1 2003 The structure of the eukaryotic initiation factor eIF4E bound to a cognate domain of eIF4G and m(7)GDP in this issue of Cell shows that these factors undergo coupled folding to form a stable complex with high cap binding activity that promotes efficient ribosomal attachment to mRNA during translation initiation. Guanosine Diphosphate 99-102 eukaryotic translation initiation factor 4E Homo sapiens 50-55 15094766-7 2004 eIF4E controls the translation of various malignancy-associated mRNAs which are involved in polyamine synthesis, cell cycle progression, activation of proto-oncogenes, angiogenesis, autocrine growth stimulation, cell survival, invasion and communication with the extracellular environment. Polyamines 92-101 eukaryotic translation initiation factor 4E Homo sapiens 0-5 14701818-13 2004 The ability of these two zebrafish proteins to bind m(7)GTP, eIF4G, and 4E-BP, as well as to complement yeast conditionally deficient in functional eIF4E, show that eIF4E-1A is a functional equivalent of human eIF4E-1. (7)gtp 53-59 eukaryotic translation initiation factor 4E Homo sapiens 165-172 14607835-7 2004 To overcome this protective mechanism, we introduced alanine substitutions at four phosphorylation/inactivation sites in 4EBP1 to constitutively activate a 4EBP mu to block eIF4E. Alanine 53-60 eukaryotic translation initiation factor 4E Homo sapiens 173-178 12975586-0 2003 Backbone resonance assignment of human eukaryotic translation initiation factor 4E (eIF4E) in complex with 7-methylguanosine diphosphate (m7GDP) and a 17-amino acid peptide derived from human eIF4GII. 7-methylguanosine 5'-diphosphate 107-136 eukaryotic translation initiation factor 4E Homo sapiens 39-82 12890645-7 2003 Downregulation of proline-rich tyrosine kinase 2 (PYK2) by antisense oligonucleotides led to a near-complete inhibition of PHAS-1 and eIF4E phosphorylation in response to ANG II. Oligonucleotides 69-85 eukaryotic translation initiation factor 4E Homo sapiens 134-139 14645512-8 2003 The aberrant nuclear function of eIF4E is due to abnormally large eIF4E bodies and the loss of regulation by the proline-rich homeodomain PRH. Proline 113-120 eukaryotic translation initiation factor 4E Homo sapiens 33-38 14507920-1 2003 Insulin stimulates phosphorylation of multiple sites in the eIF4E-binding protein, PHAS-I, leading to dissociation of the PHAS-I.eIF4E complex and to an increase in cap-dependent translation. cap 165-168 eukaryotic translation initiation factor 4E Homo sapiens 60-65 14507920-2 2003 The Ser-64 and Ser-111 sites have been proposed to have key roles in controlling the association of PHAS-I and eIF4E. Serine 4-7 eukaryotic translation initiation factor 4E Homo sapiens 111-116 14507920-2 2003 The Ser-64 and Ser-111 sites have been proposed to have key roles in controlling the association of PHAS-I and eIF4E. Serine 15-18 eukaryotic translation initiation factor 4E Homo sapiens 111-116 14507920-6 2003 Insulin promoted the release of eIF4E from PHAS-II, a PHAS isoform that lacks the Ser-111 site, but it was without effect on the amount of eIF4E bound to the third isoform, PHAS-III. Serine 82-85 eukaryotic translation initiation factor 4E Homo sapiens 32-37 12975586-0 2003 Backbone resonance assignment of human eukaryotic translation initiation factor 4E (eIF4E) in complex with 7-methylguanosine diphosphate (m7GDP) and a 17-amino acid peptide derived from human eIF4GII. 7-methylguanosine 5'-diphosphate 107-136 eukaryotic translation initiation factor 4E Homo sapiens 84-89 14690557-1 2003 OBJECTIVE: To determine whether the eukaryotic initiation factor-4E (eIF-4E) is involved in the cap-dependent translational regulation of heparanase and study the correlation between heparanase expression and metastatic potential of LS-174T cells. cap 96-99 eukaryotic translation initiation factor 4E Homo sapiens 36-67 14690557-1 2003 OBJECTIVE: To determine whether the eukaryotic initiation factor-4E (eIF-4E) is involved in the cap-dependent translational regulation of heparanase and study the correlation between heparanase expression and metastatic potential of LS-174T cells. cap 96-99 eukaryotic translation initiation factor 4E Homo sapiens 69-75 14690557-5 2003 RESULTS: The 20-mer antisense oligonucleotide (asODN) against eIF-4E specifically and significantly inhibited eIF-4E expression at both transcriptional and translational levels. Oligonucleotides 30-45 eukaryotic translation initiation factor 4E Homo sapiens 62-68 14690557-5 2003 RESULTS: The 20-mer antisense oligonucleotide (asODN) against eIF-4E specifically and significantly inhibited eIF-4E expression at both transcriptional and translational levels. Oligonucleotides 30-45 eukaryotic translation initiation factor 4E Homo sapiens 110-116 14690557-5 2003 RESULTS: The 20-mer antisense oligonucleotide (asODN) against eIF-4E specifically and significantly inhibited eIF-4E expression at both transcriptional and translational levels. asodn 47-52 eukaryotic translation initiation factor 4E Homo sapiens 62-68 14690557-5 2003 RESULTS: The 20-mer antisense oligonucleotide (asODN) against eIF-4E specifically and significantly inhibited eIF-4E expression at both transcriptional and translational levels. asodn 47-52 eukaryotic translation initiation factor 4E Homo sapiens 110-116 13679036-2 2003 Arachidonic acid stimulated phosphorylation of Akt, S6K1, ribosomal protein S6, 4EBP1, and eIF4E in a time-dependent manner in VSMC. Arachidonic Acid 0-16 eukaryotic translation initiation factor 4E Homo sapiens 91-96 13679036-2 2003 Arachidonic acid stimulated phosphorylation of Akt, S6K1, ribosomal protein S6, 4EBP1, and eIF4E in a time-dependent manner in VSMC. vsmc 127-131 eukaryotic translation initiation factor 4E Homo sapiens 91-96 13679036-6 2003 LY294002, an inhibitor of PI3K, completely blocked AA-induced phosphorylation of Akt, S6K1, ribosomal protein S6, 4EBP1, and eIF4E, suggesting a role for PI3K in these effects. 2-(4-morpholinyl)-8-phenyl-4H-1-benzopyran-4-one 0-8 eukaryotic translation initiation factor 4E Homo sapiens 125-130 14558943-1 2003 BACKGROUND & OBJECTIVE: Recent studies have revealed that some transcription factors may be translationally regulated by eukaryotic initiation factor-4E (eIF-4E) in human cancer. Adenosine Monophosphate 12-15 eukaryotic translation initiation factor 4E Homo sapiens 125-156 14558943-1 2003 BACKGROUND & OBJECTIVE: Recent studies have revealed that some transcription factors may be translationally regulated by eukaryotic initiation factor-4E (eIF-4E) in human cancer. Adenosine Monophosphate 12-15 eukaryotic translation initiation factor 4E Homo sapiens 158-164 14558943-4 2003 METHODS: In order to repress the expression of eIF-4E, a 20-mer antisense oligodeoxynucleotide (ASODN) targeted against the translation start site of eIF-4E mRNA was transfected into human colorectal cancer cell line LS-174T via liposome reagent, followed by assessment of the activity and the protein expression of NF-kappaB by an electrophoretic gel mobility shift assay (EMSA) and Western blot analysis respectively. Oligodeoxyribonucleotides 74-94 eukaryotic translation initiation factor 4E Homo sapiens 47-53 14558943-4 2003 METHODS: In order to repress the expression of eIF-4E, a 20-mer antisense oligodeoxynucleotide (ASODN) targeted against the translation start site of eIF-4E mRNA was transfected into human colorectal cancer cell line LS-174T via liposome reagent, followed by assessment of the activity and the protein expression of NF-kappaB by an electrophoretic gel mobility shift assay (EMSA) and Western blot analysis respectively. Oligodeoxyribonucleotides 74-94 eukaryotic translation initiation factor 4E Homo sapiens 150-156 14558943-4 2003 METHODS: In order to repress the expression of eIF-4E, a 20-mer antisense oligodeoxynucleotide (ASODN) targeted against the translation start site of eIF-4E mRNA was transfected into human colorectal cancer cell line LS-174T via liposome reagent, followed by assessment of the activity and the protein expression of NF-kappaB by an electrophoretic gel mobility shift assay (EMSA) and Western blot analysis respectively. asodn 96-101 eukaryotic translation initiation factor 4E Homo sapiens 47-53 14558943-4 2003 METHODS: In order to repress the expression of eIF-4E, a 20-mer antisense oligodeoxynucleotide (ASODN) targeted against the translation start site of eIF-4E mRNA was transfected into human colorectal cancer cell line LS-174T via liposome reagent, followed by assessment of the activity and the protein expression of NF-kappaB by an electrophoretic gel mobility shift assay (EMSA) and Western blot analysis respectively. asodn 96-101 eukaryotic translation initiation factor 4E Homo sapiens 150-156 14558943-6 2003 RESULTS: The 20-mer ASODN against eIF-4E specifically and significantly inhibited eIF-4E expression at both transcriptional and translational levels, and the repression of eIF-4E gene expression was correlated with decreased expression levels and activity of NF-kappaB protein. asodn 20-25 eukaryotic translation initiation factor 4E Homo sapiens 34-40 14558943-6 2003 RESULTS: The 20-mer ASODN against eIF-4E specifically and significantly inhibited eIF-4E expression at both transcriptional and translational levels, and the repression of eIF-4E gene expression was correlated with decreased expression levels and activity of NF-kappaB protein. asodn 20-25 eukaryotic translation initiation factor 4E Homo sapiens 82-88 14558943-6 2003 RESULTS: The 20-mer ASODN against eIF-4E specifically and significantly inhibited eIF-4E expression at both transcriptional and translational levels, and the repression of eIF-4E gene expression was correlated with decreased expression levels and activity of NF-kappaB protein. asodn 20-25 eukaryotic translation initiation factor 4E Homo sapiens 82-88 12860993-4 2003 Here, we investigated the role of ROS in the regulation of PHAS-I phosphorylation on Thr-70 and Ser-65, an event required for the release of eIF4E from PHAS-I. Reactive Oxygen Species 34-37 eukaryotic translation initiation factor 4E Homo sapiens 141-146 12860993-4 2003 Here, we investigated the role of ROS in the regulation of PHAS-I phosphorylation on Thr-70 and Ser-65, an event required for the release of eIF4E from PHAS-I. Threonine 85-88 eukaryotic translation initiation factor 4E Homo sapiens 141-146 12860993-4 2003 Here, we investigated the role of ROS in the regulation of PHAS-I phosphorylation on Thr-70 and Ser-65, an event required for the release of eIF4E from PHAS-I. Serine 96-99 eukaryotic translation initiation factor 4E Homo sapiens 141-146 12944262-0 2003 Charge distribution in 7-methylguanine regarding cation-pi interaction with protein factor eIF4E. 7-methylguanine 23-38 eukaryotic translation initiation factor 4E Homo sapiens 91-96 12944262-2 2003 Formation of the stacked configuration of positively charged 7-methylguanine in between two aromatic amino acid rings, known as sandwich cation-pi stacking, is thought to be prerequisite for the specific recognition of the cap by eukaryotic initiation factor eIF4E; i.e., discrimination between the cap and nucleotides without the methyl group at N(7). 7-methylguanine 61-76 eukaryotic translation initiation factor 4E Homo sapiens 259-264 12944262-2 2003 Formation of the stacked configuration of positively charged 7-methylguanine in between two aromatic amino acid rings, known as sandwich cation-pi stacking, is thought to be prerequisite for the specific recognition of the cap by eukaryotic initiation factor eIF4E; i.e., discrimination between the cap and nucleotides without the methyl group at N(7). Amino Acids, Aromatic 92-111 eukaryotic translation initiation factor 4E Homo sapiens 259-264 12781867-4 2003 These data show that while the arsenite-induced increase in the phosphorylation of eIF4E and hsp25 was sensitive to SB203580 in cells expressing WT-SAPK2a, these responses to SB203580 were abrogated in cells expressing DR-SAPK2a. arsenite 31-39 eukaryotic translation initiation factor 4E Homo sapiens 83-88 12781867-4 2003 These data show that while the arsenite-induced increase in the phosphorylation of eIF4E and hsp25 was sensitive to SB203580 in cells expressing WT-SAPK2a, these responses to SB203580 were abrogated in cells expressing DR-SAPK2a. SB 203580 116-124 eukaryotic translation initiation factor 4E Homo sapiens 83-88 12781867-6 2003 However, a cell-permeable, specific inhibitor of Mnk1, CGP57380 and the phosphatidylinositol-3-kinase (PI3-K) inhibitor, LY294002, prevented eIF4E phosphorylation in 293 cells irrespective of SAPK2a expression. CGP 57380 55-63 eukaryotic translation initiation factor 4E Homo sapiens 141-146 12781867-6 2003 However, a cell-permeable, specific inhibitor of Mnk1, CGP57380 and the phosphatidylinositol-3-kinase (PI3-K) inhibitor, LY294002, prevented eIF4E phosphorylation in 293 cells irrespective of SAPK2a expression. 2-(4-morpholinyl)-8-phenyl-4H-1-benzopyran-4-one 121-129 eukaryotic translation initiation factor 4E Homo sapiens 141-146 12781867-7 2003 Therefore, this study validates the use of SB203580 for investigating signalling pathways modulating the phosphorylation of eIF4E in cultured cells. SB 203580 43-51 eukaryotic translation initiation factor 4E Homo sapiens 124-129 12918105-5 2003 METHODS: A 20-mer antisense s-oligodeoxynucleotide (asODN) targeted against the translation start site of eIF-4E mRNA was introduced into LS-174T cells by lipid-mediated DNA-transfection. Oligodeoxyribonucleotides 28-50 eukaryotic translation initiation factor 4E Homo sapiens 106-112 12918105-5 2003 METHODS: A 20-mer antisense s-oligodeoxynucleotide (asODN) targeted against the translation start site of eIF-4E mRNA was introduced into LS-174T cells by lipid-mediated DNA-transfection. asodn 52-57 eukaryotic translation initiation factor 4E Homo sapiens 106-112 12918105-9 2003 RESULTS: The 20-mer asODN against eIF-4E specifically and significantly inhibited eIF-4E expression at both transcriptional and translational levels. asodn 20-25 eukaryotic translation initiation factor 4E Homo sapiens 34-40 12918105-9 2003 RESULTS: The 20-mer asODN against eIF-4E specifically and significantly inhibited eIF-4E expression at both transcriptional and translational levels. asodn 20-25 eukaryotic translation initiation factor 4E Homo sapiens 82-88 12865212-2 2003 METHODS: A 20-mer antisense s-oligodeoxynucleotide (asODN) targeted against the translation start site of eIF-4E mRNA was introduced into LS-174T cells by means of lipid-mediated DNA-transfection, followed by Western blotting analysis and reverse transcription-PCR to determine eIF-4E protein and mRNA levels, respectively. Oligodeoxyribonucleotides 28-50 eukaryotic translation initiation factor 4E Homo sapiens 106-112 12865212-2 2003 METHODS: A 20-mer antisense s-oligodeoxynucleotide (asODN) targeted against the translation start site of eIF-4E mRNA was introduced into LS-174T cells by means of lipid-mediated DNA-transfection, followed by Western blotting analysis and reverse transcription-PCR to determine eIF-4E protein and mRNA levels, respectively. Oligodeoxyribonucleotides 28-50 eukaryotic translation initiation factor 4E Homo sapiens 278-284 12865212-2 2003 METHODS: A 20-mer antisense s-oligodeoxynucleotide (asODN) targeted against the translation start site of eIF-4E mRNA was introduced into LS-174T cells by means of lipid-mediated DNA-transfection, followed by Western blotting analysis and reverse transcription-PCR to determine eIF-4E protein and mRNA levels, respectively. asodn 52-57 eukaryotic translation initiation factor 4E Homo sapiens 106-112 12865212-2 2003 METHODS: A 20-mer antisense s-oligodeoxynucleotide (asODN) targeted against the translation start site of eIF-4E mRNA was introduced into LS-174T cells by means of lipid-mediated DNA-transfection, followed by Western blotting analysis and reverse transcription-PCR to determine eIF-4E protein and mRNA levels, respectively. asodn 52-57 eukaryotic translation initiation factor 4E Homo sapiens 278-284 12865212-4 2003 RESULTS: The 20-mer asODN against eIF-4E specifically and significantly inhibited eIF-4E protein expression, and as a result, a significant reduction in heparanase mRNA level was observed by Northern blotting in conjunction with significantly decreased heparanase protein expression. asodn 20-25 eukaryotic translation initiation factor 4E Homo sapiens 34-40 12865212-4 2003 RESULTS: The 20-mer asODN against eIF-4E specifically and significantly inhibited eIF-4E protein expression, and as a result, a significant reduction in heparanase mRNA level was observed by Northern blotting in conjunction with significantly decreased heparanase protein expression. asodn 20-25 eukaryotic translation initiation factor 4E Homo sapiens 82-88 12838026-6 2003 RESULTS: The overexpression of eIF4E was observed in all 37 paraffin-embedded samples of laryngeal squamous cell carcinoma, whereas no staining was noticed in vocal cords polyps samples. Paraffin 60-68 eukaryotic translation initiation factor 4E Homo sapiens 31-36 12777618-3 2003 To circumvent this limitation, we have developed a procedure for the purification of eukaryotic mRNAs using a mutant version of the mRNA 5" cap-binding protein (eIF4E) with increased affinity for the m7GTP moiety of the cap. 7-methylguanosine triphosphate 200-205 eukaryotic translation initiation factor 4E Homo sapiens 161-166 12641566-6 2003 Here, we demonstrate that these BrdU-treated lung cells express elevated levels of eIF4E protein and enhanced phosphorylation of eIF4E. Bromodeoxyuridine 32-36 eukaryotic translation initiation factor 4E Homo sapiens 83-88 12921974-6 2003 Finally, our studies showed that high concentrations of troglitazone inhibited the translation initiation factor 4E (eIF4E), but not eIF4G. Troglitazone 56-68 eukaryotic translation initiation factor 4E Homo sapiens 117-122 12755627-9 2003 A similar mode of interaction with 7-methyl-GTP was found for human cap binding protein eIF4E. 7-methylguanosine triphosphate 35-47 eukaryotic translation initiation factor 4E Homo sapiens 88-93 12755627-10 2003 However, the potency of 7-methyl-GTP for cap binding inhibition was 200-fold stronger with eIF4E and had a higher contribution from the triphosphate moiety as compared to influenza RNP. 7-methylguanosine triphosphate 24-36 eukaryotic translation initiation factor 4E Homo sapiens 91-96 12747827-7 2003 CONCLUSIONS: Our data demonstrate that the TOS motif functions as a docking site for the mTOR/raptor complex, which is required for multisite phosphorylation of 4E-BP1, eIF4E release from 4E-BP1, and cell growth. tos 43-46 eukaryotic translation initiation factor 4E Homo sapiens 169-174 14565465-0 2003 Thermodynamics of 7-methylguanosine cation stacking with tryptophan upon mRNA 5" cap binding to translation factor eIF4E. 7-methylguanosine 18-35 eukaryotic translation initiation factor 4E Homo sapiens 115-120 14565465-0 2003 Thermodynamics of 7-methylguanosine cation stacking with tryptophan upon mRNA 5" cap binding to translation factor eIF4E. Tryptophan 57-67 eukaryotic translation initiation factor 4E Homo sapiens 115-120 14565465-2 2003 The goal of the present study is to dissect the enthalpy and entropy changes of association of the mRNA 5" cap with eIF4E into contributions originating from the interaction of 7-methylguanosine with tryptophan. 7-methylguanosine 177-194 eukaryotic translation initiation factor 4E Homo sapiens 116-121 14565465-2 2003 The goal of the present study is to dissect the enthalpy and entropy changes of association of the mRNA 5" cap with eIF4E into contributions originating from the interaction of 7-methylguanosine with tryptophan. Tryptophan 200-210 eukaryotic translation initiation factor 4E Homo sapiens 116-121 14565501-2 2003 In the present study we have shown two opposing roles of the cap phosphate chain in the specific eIF4E-cap interaction. Phosphates 65-74 eukaryotic translation initiation factor 4E Homo sapiens 97-102 14565501-3 2003 The extension of the phosphate chain enhances the binding of the cap to the unphosphorylated eIF4E but destabilises the eIF4E-cap complex in case of the phosphorylated protein. Phosphates 21-30 eukaryotic translation initiation factor 4E Homo sapiens 93-98 14565501-3 2003 The extension of the phosphate chain enhances the binding of the cap to the unphosphorylated eIF4E but destabilises the eIF4E-cap complex in case of the phosphorylated protein. Phosphates 21-30 eukaryotic translation initiation factor 4E Homo sapiens 120-125 12691746-1 2003 The structural features of human eIF4E were investigated by X-ray crystal analyses of its cap analog (m(7)GTP and m(7)GpppA) complexes and molecular dynamics (MD) simulations of cap-free and cap-bound eIF4Es, as well as the cap-bound Ser209-phosphorylated eIF4E. (7)gtp 103-109 eukaryotic translation initiation factor 4E Homo sapiens 33-38 12691746-9 2003 SDS-PAGE analyses showed that this structural instability is highly related to the fast degradation of cap-free eIF4E, compared with cap-bound or 4E-BP/cap-bound eIF4E, indicating the conferment of structural stability of eIF4E by the binary or ternary complex formation. Sodium Dodecyl Sulfate 0-3 eukaryotic translation initiation factor 4E Homo sapiens 112-117 12691746-9 2003 SDS-PAGE analyses showed that this structural instability is highly related to the fast degradation of cap-free eIF4E, compared with cap-bound or 4E-BP/cap-bound eIF4E, indicating the conferment of structural stability of eIF4E by the binary or ternary complex formation. cap 103-106 eukaryotic translation initiation factor 4E Homo sapiens 112-117 12641566-6 2003 Here, we demonstrate that these BrdU-treated lung cells express elevated levels of eIF4E protein and enhanced phosphorylation of eIF4E. Bromodeoxyuridine 32-36 eukaryotic translation initiation factor 4E Homo sapiens 129-134 12554669-3 2003 Surprisingly, we found that a trans cription factor, the proline-rich homeodomain protein PRH, is a negative regulator of eIF4E in myeloid cells, interacting with eIF4E through a conserved binding site typically found in translational regulators. Proline 57-64 eukaryotic translation initiation factor 4E Homo sapiens 122-127 12554669-3 2003 Surprisingly, we found that a trans cription factor, the proline-rich homeodomain protein PRH, is a negative regulator of eIF4E in myeloid cells, interacting with eIF4E through a conserved binding site typically found in translational regulators. Proline 57-64 eukaryotic translation initiation factor 4E Homo sapiens 163-168 12193593-5 2002 In addition, 5(S)-HETE stimulated phosphatidylinositol 3-kinase (PI3-kinase) activity and phosphorylation of its downstream targets Akt, p70S6K, and 4E-BP1 and their effector molecules ribosomal protein S6 and eIF4E. 5-hydroxy-6,8,11,14-eicosatetraenoic acid 13-22 eukaryotic translation initiation factor 4E Homo sapiens 210-215 12554876-3 2003 To address this problem, we applied a unique technique in protein engineering, intein-mediated protein ligation, to synthesize eIF4E, which is selectively phosphorylated at Ser 209. Serine 173-176 eukaryotic translation initiation factor 4E Homo sapiens 127-132 12554876-5 2003 A 1.5- to 4.5-fold reduction of the cap affinity for phosphorylated eIF4E was observed, depending on the negative charge of the 5"-to-5" phosphate chains as well as the presence of a longer tetraribonucleotide strand. Phosphates 137-146 eukaryotic translation initiation factor 4E Homo sapiens 68-73 12554876-5 2003 A 1.5- to 4.5-fold reduction of the cap affinity for phosphorylated eIF4E was observed, depending on the negative charge of the 5"-to-5" phosphate chains as well as the presence of a longer tetraribonucleotide strand. tetraribonucleotide 190-209 eukaryotic translation initiation factor 4E Homo sapiens 68-73 12171932-6 2002 On the other hand, LY294002 and wortmannin, specific inhibitors of PI3K, prevented PDGF-BB-induced phosphorylation of Akt and its downstream effector molecules, p70S6K, ribosomal protein S6, 4E-BP1, and eIF4E. 2-(4-morpholinyl)-8-phenyl-4H-1-benzopyran-4-one 19-27 eukaryotic translation initiation factor 4E Homo sapiens 203-208 12171932-6 2002 On the other hand, LY294002 and wortmannin, specific inhibitors of PI3K, prevented PDGF-BB-induced phosphorylation of Akt and its downstream effector molecules, p70S6K, ribosomal protein S6, 4E-BP1, and eIF4E. Wortmannin 32-42 eukaryotic translation initiation factor 4E Homo sapiens 203-208 12171932-7 2002 NEM also abrogated the phosphorylation of p70S6K, ribosomal protein S6, 4E-BP1, and eIF4E induced by PDGF-BB, suggesting that thiol alkylation interferes with the PI3K/Akt pathway at the level of Akt. Sulfhydryl Compounds 126-131 eukaryotic translation initiation factor 4E Homo sapiens 84-89 12374755-5 2002 Although the structure is very different from that of other known cap-binding proteins, such as the cytoplasmic cap-binding protein eIF4E, specificity for the methylated guanosine again is achieved by sandwiching the base between two aromatic residues, in this case two conserved tyrosines. Guanosine 170-179 eukaryotic translation initiation factor 4E Homo sapiens 132-137 12374755-5 2002 Although the structure is very different from that of other known cap-binding proteins, such as the cytoplasmic cap-binding protein eIF4E, specificity for the methylated guanosine again is achieved by sandwiching the base between two aromatic residues, in this case two conserved tyrosines. Tyrosine 280-289 eukaryotic translation initiation factor 4E Homo sapiens 132-137 12167712-0 2002 Gamma interferon and cadmium treatments modulate eukaryotic initiation factor 4E-dependent mRNA transport of cyclin D1 in a PML-dependent manner. Cadmium 21-28 eukaryotic translation initiation factor 4E Homo sapiens 49-80 12356315-7 2002 Intramolecular self-stacking of the dinucleotide cap-analogue was analyzed to reveal the influence of this coupled process on the thermodynamic parameters of the eIF4E-mRNA 5" cap interaction. Dinucleoside Phosphates 36-48 eukaryotic translation initiation factor 4E Homo sapiens 162-167 12239292-7 2002 VSV infection of HeLa cells resulted in the dephosphorylation of eIF4E at serine 209 between 3 and 6 h postinfection. Serine 74-80 eukaryotic translation initiation factor 4E Homo sapiens 65-70 12138083-1 2002 Previous work has suggested that increased phosphorylation of eukaryotic initiation factor (eIF) 4E at Ser-209 in the C-terminal loop of the protein often correlates with increased translation rates. Serine 103-106 eukaryotic translation initiation factor 4E Homo sapiens 62-99 12167712-6 2002 Here we report that cadmium treatment, which disperses PML nuclear bodies, leaves eIF4E bodies intact, leading to increased transport of cyclin D1 mRNA and increased cyclin D1 protein levels. Cadmium 20-27 eukaryotic translation initiation factor 4E Homo sapiens 82-87 12167712-7 2002 Removal of cadmium allows PML to reassociate with eIF4E nuclear bodies, leading to decreased cyclin D1 transport and reduced cyclin D1 protein levels. Cadmium 11-18 eukaryotic translation initiation factor 4E Homo sapiens 50-55 12167712-10 2002 Consistently, overexpression of a series of PML and eIF4E mutant proteins established that PML eIF4E interaction is required for the observed effects of cadmium and interferon treatment. Cadmium 153-160 eukaryotic translation initiation factor 4E Homo sapiens 52-57 12167712-10 2002 Consistently, overexpression of a series of PML and eIF4E mutant proteins established that PML eIF4E interaction is required for the observed effects of cadmium and interferon treatment. Cadmium 153-160 eukaryotic translation initiation factor 4E Homo sapiens 95-100 12151318-5 2002 Although time had little effect on eIF4E and 4E-BP1 expression and phosphorylation state of control cells, H2O2 induced a 2- to 3-fold increase in eIF4E and 4E-BP1 expression, a 5-fold increase in eIF4E phosphorylation, and a shift in the distribution of 4E-BP1 phosphorylation favoring lesser phosphorylated forms. Hydrogen Peroxide 107-111 eukaryotic translation initiation factor 4E Homo sapiens 147-163 12082457-6 2002 By altering the expression of eIF4E, it was possible to modulate the sensitivity of various cell lines to ganciclovir. Ganciclovir 106-117 eukaryotic translation initiation factor 4E Homo sapiens 30-35 12054859-2 2002 The association constant values of recombinant eIF4E for 20 different cap analogues cover six orders of magnitude; with the highest affinity observed for m(7)GTP (approximately 1.1 x 10(8) M(-1)). (7)gtp 155-161 eukaryotic translation initiation factor 4E Homo sapiens 47-52 12151318-4 2002 Cells were exposed to 200 or 400 microM H2O2 for 4 h and then assessed for changes in proliferation, protein synthesis, and eIF4E and 4E-BP1 status over 72 h. We found that both concentrations of H2O2 inhibited [3H]thymidine incorporation and cell division while inducing a G2/M-predominant growth arrest within 24 h. In addition, H2O2 increased cell size, [3H]leucine incorporation/cell, and total cell protein. Hydrogen Peroxide 196-200 eukaryotic translation initiation factor 4E Homo sapiens 124-140 12151318-4 2002 Cells were exposed to 200 or 400 microM H2O2 for 4 h and then assessed for changes in proliferation, protein synthesis, and eIF4E and 4E-BP1 status over 72 h. We found that both concentrations of H2O2 inhibited [3H]thymidine incorporation and cell division while inducing a G2/M-predominant growth arrest within 24 h. In addition, H2O2 increased cell size, [3H]leucine incorporation/cell, and total cell protein. Hydrogen Peroxide 196-200 eukaryotic translation initiation factor 4E Homo sapiens 124-140 12056899-4 2002 Whereas eIF4E employs two tryptophans, VP39 uses a tyrosine and a phenylalanine. Tryptophan 26-37 eukaryotic translation initiation factor 4E Homo sapiens 8-13 12054859-8 2002 Electrostatically steered eIF4E-cap association is accompanied by additional hydration of the complex by approximately 65 water molecules, and by ionic equilibria shift. Water 122-127 eukaryotic translation initiation factor 4E Homo sapiens 26-31 12054859-9 2002 Temperature dependence reveals the enthalpy-driven and entropy-opposed character of the m(7)GTP-eIF4E binding, which results from dominant charge-related interactions (DeltaH degrees =-17.8 kcal/mol, DeltaS degrees= -23.6 cal/mol K). (7)gtp 89-95 eukaryotic translation initiation factor 4E Homo sapiens 96-101 11847216-0 2002 4E-binding proteins, the suppressors of eukaryotic initiation factor 4E, are down-regulated in cells with acquired or intrinsic resistance to rapamycin. Sirolimus 142-151 eukaryotic translation initiation factor 4E Homo sapiens 40-71 11956083-8 2002 Surprisingly, the ability of etoposide to cause increased association of eIF4E with 4E-BP1 does require PKR activity. Etoposide 29-38 eukaryotic translation initiation factor 4E Homo sapiens 73-78 11959093-0 2002 Mutations in the S4-H2 loop of eIF4E which increase the affinity for m7GTP. 7-methylguanosine triphosphate 69-74 eukaryotic translation initiation factor 4E Homo sapiens 31-36 11959093-2 2002 Photolabeling of eIF4E with [gamma-32P]8-azidoguanosine 5"-triphosphate (8-N3GTP) demonstrated cross-linking at Lys-119 in the S4-H2 loop which is distant from the m7GTP binding site [Marcotrigiano et al. [gamma-32p]8-azidoguanosine 5"-triphosphate 28-71 eukaryotic translation initiation factor 4E Homo sapiens 17-22 11959093-2 2002 Photolabeling of eIF4E with [gamma-32P]8-azidoguanosine 5"-triphosphate (8-N3GTP) demonstrated cross-linking at Lys-119 in the S4-H2 loop which is distant from the m7GTP binding site [Marcotrigiano et al. 8-azidoguanosine triphosphate 73-80 eukaryotic translation initiation factor 4E Homo sapiens 17-22 11959093-2 2002 Photolabeling of eIF4E with [gamma-32P]8-azidoguanosine 5"-triphosphate (8-N3GTP) demonstrated cross-linking at Lys-119 in the S4-H2 loop which is distant from the m7GTP binding site [Marcotrigiano et al. Lysine 112-115 eukaryotic translation initiation factor 4E Homo sapiens 17-22 11723111-3 2002 Mitogens and cytokines stimulate the phosphorylation of eIF4E at Ser(209), but the functional consequences of this modification have remained a major unresolved question. Serine 65-68 eukaryotic translation initiation factor 4E Homo sapiens 56-61 11799119-1 2002 The phorbol ester, 12-O-tetradecanoylphorbol 13-acetate (TPA), a potent stimulator of Erk, leads to the phosphorylation of 4E-BP1 and its dissociation from eIF4E. Phorbol Esters 4-17 eukaryotic translation initiation factor 4E Homo sapiens 156-161 11799119-1 2002 The phorbol ester, 12-O-tetradecanoylphorbol 13-acetate (TPA), a potent stimulator of Erk, leads to the phosphorylation of 4E-BP1 and its dissociation from eIF4E. Tetradecanoylphorbol Acetate 19-55 eukaryotic translation initiation factor 4E Homo sapiens 156-161 11799119-1 2002 The phorbol ester, 12-O-tetradecanoylphorbol 13-acetate (TPA), a potent stimulator of Erk, leads to the phosphorylation of 4E-BP1 and its dissociation from eIF4E. Tetradecanoylphorbol Acetate 57-60 eukaryotic translation initiation factor 4E Homo sapiens 156-161 11879179-0 2002 Crystal structures of 7-methylguanosine 5"-triphosphate (m(7)GTP)- and P(1)-7-methylguanosine-P(3)-adenosine-5",5"-triphosphate (m(7)GpppA)-bound human full-length eukaryotic initiation factor 4E: biological importance of the C-terminal flexible region. 7-methylguanosine triphosphate 22-55 eukaryotic translation initiation factor 4E Homo sapiens 164-195 11879179-0 2002 Crystal structures of 7-methylguanosine 5"-triphosphate (m(7)GTP)- and P(1)-7-methylguanosine-P(3)-adenosine-5",5"-triphosphate (m(7)GpppA)-bound human full-length eukaryotic initiation factor 4E: biological importance of the C-terminal flexible region. m7GpppA 71-127 eukaryotic translation initiation factor 4E Homo sapiens 164-195 11879179-1 2002 The crystal structures of the full-length human eukaryotic initiation factor (eIF) 4E complexed with two mRNA cap analogues [7-methylguanosine 5"-triphosphate (m(7)GTP) and P(1)-7-methylguanosine-P(3)-adenosine-5",5"-triphosphate (m(7)GpppA)] were determined at 2.0 A resolution (where 1 A=0.1 nm). 7-methylguanosine triphosphate 125-158 eukaryotic translation initiation factor 4E Homo sapiens 48-85 11879179-1 2002 The crystal structures of the full-length human eukaryotic initiation factor (eIF) 4E complexed with two mRNA cap analogues [7-methylguanosine 5"-triphosphate (m(7)GTP) and P(1)-7-methylguanosine-P(3)-adenosine-5",5"-triphosphate (m(7)GpppA)] were determined at 2.0 A resolution (where 1 A=0.1 nm). (7)gtp 161-167 eukaryotic translation initiation factor 4E Homo sapiens 48-85 11879179-1 2002 The crystal structures of the full-length human eukaryotic initiation factor (eIF) 4E complexed with two mRNA cap analogues [7-methylguanosine 5"-triphosphate (m(7)GTP) and P(1)-7-methylguanosine-P(3)-adenosine-5",5"-triphosphate (m(7)GpppA)] were determined at 2.0 A resolution (where 1 A=0.1 nm). )-7-methylguanosine-p(3)-adenosine-5",5"-triphosphate 176-229 eukaryotic translation initiation factor 4E Homo sapiens 48-85 11879179-2 2002 The flexibility of the C-terminal loop region of eIF4E complexed with m(7)GTP was significantly reduced when complexed with m(7)GpppA, suggesting the importance of the second nucleotide in the mRNA cap structure for the biological function of eIF4E, especially the fixation and orientation of the C-terminal loop region, including the eIF4E phosphorylation residue. (7)gtp 71-77 eukaryotic translation initiation factor 4E Homo sapiens 49-54 11879179-2 2002 The flexibility of the C-terminal loop region of eIF4E complexed with m(7)GTP was significantly reduced when complexed with m(7)GpppA, suggesting the importance of the second nucleotide in the mRNA cap structure for the biological function of eIF4E, especially the fixation and orientation of the C-terminal loop region, including the eIF4E phosphorylation residue. (7)gtp 71-77 eukaryotic translation initiation factor 4E Homo sapiens 243-248 11879179-2 2002 The flexibility of the C-terminal loop region of eIF4E complexed with m(7)GTP was significantly reduced when complexed with m(7)GpppA, suggesting the importance of the second nucleotide in the mRNA cap structure for the biological function of eIF4E, especially the fixation and orientation of the C-terminal loop region, including the eIF4E phosphorylation residue. (7)gtp 71-77 eukaryotic translation initiation factor 4E Homo sapiens 243-248 11278829-6 2001 We find that modifications at the two sites immediately flanking the eIF4E-binding domain, Thr(46) and Ser(65), consistently have the most significant effects, and that phosphorylation of Ser(65) causes the greatest reduction in binding affinity. Threonine 91-94 eukaryotic translation initiation factor 4E Homo sapiens 69-74 11606200-1 2001 Eukaryotic translation initiation factor 4E (eIF4E) is essential for efficient translation of the vast majority of capped cellular mRNAs; it binds the 5"-methylated guanosine cap of mRNA and serves as a nucleation point for the assembly of the 48S preinitiation complex. Guanosine 165-174 eukaryotic translation initiation factor 4E Homo sapiens 0-43 11606200-1 2001 Eukaryotic translation initiation factor 4E (eIF4E) is essential for efficient translation of the vast majority of capped cellular mRNAs; it binds the 5"-methylated guanosine cap of mRNA and serves as a nucleation point for the assembly of the 48S preinitiation complex. Guanosine 165-174 eukaryotic translation initiation factor 4E Homo sapiens 45-50 11606200-6 2001 eIF4E that is modified such that it cannot be phosphorylated (Ser209-->Ala), is unimpaired in its ability to restore translation to an eIF4E-dependent in vitro translation system. Alanine 74-77 eukaryotic translation initiation factor 4E Homo sapiens 0-5 11514293-6 2001 Chronic ethanol administration decreased the abundance of eukaryotic initiation factor (eIF)4G associated with eIF4E in the myocardium by 36% and increased the abundance of the translation response protein (4E-BP1) associated with eIF4E. Ethanol 8-15 eukaryotic translation initiation factor 4E Homo sapiens 111-116 11514293-6 2001 Chronic ethanol administration decreased the abundance of eukaryotic initiation factor (eIF)4G associated with eIF4E in the myocardium by 36% and increased the abundance of the translation response protein (4E-BP1) associated with eIF4E. Ethanol 8-15 eukaryotic translation initiation factor 4E Homo sapiens 231-236 11514293-9 2001 These data suggest that a chronic alcohol-induced impairment in myocardial protein synthesis results in part from inhibition in peptide chain initiation secondary to marked changes in eIF4E availability and p70(S6K) phosphorylation. Alcohols 34-41 eukaryotic translation initiation factor 4E Homo sapiens 184-189 11513750-1 2001 The eukaryotic initiation factor 4E (eIF4E) binding protein (4E-BP1) interacts directly with eIF4E and prevents it from forming initiation factor (eIF4F) complexes required for the initiation of cap-dependent mRNA translation. cap 195-198 eukaryotic translation initiation factor 4E Homo sapiens 4-35 11513750-1 2001 The eukaryotic initiation factor 4E (eIF4E) binding protein (4E-BP1) interacts directly with eIF4E and prevents it from forming initiation factor (eIF4F) complexes required for the initiation of cap-dependent mRNA translation. cap 195-198 eukaryotic translation initiation factor 4E Homo sapiens 37-42 11513750-1 2001 The eukaryotic initiation factor 4E (eIF4E) binding protein (4E-BP1) interacts directly with eIF4E and prevents it from forming initiation factor (eIF4F) complexes required for the initiation of cap-dependent mRNA translation. cap 195-198 eukaryotic translation initiation factor 4E Homo sapiens 147-152 11513750-3 2001 Here we show that D-glucose promotes the ability of insulin to bring about the phosphorylation of 4E-BP1 and the formation of eIF4F complexes. Glucose 18-27 eukaryotic translation initiation factor 4E Homo sapiens 126-131 11483729-5 2001 Thus, initiation on the HAV IRES requires that eIF4E be associated with eIF4G and that the cap-binding pocket of eIF4E be empty and unoccupied. cap 91-94 eukaryotic translation initiation factor 4E Homo sapiens 113-118 11498025-9 2001 In contrast, insulin-stimulation of the formation of eIF4F complexes requires glucose but not amino acids. Glucose 78-85 eukaryotic translation initiation factor 4E Homo sapiens 53-58 11463832-9 2001 Instead, we propose that the kinase activity of MNKs, eventually through phosphorylation of eIF4E, may serve to limit cap-dependent translation under physiological conditions. cap 118-121 eukaryotic translation initiation factor 4E Homo sapiens 92-97 11278829-6 2001 We find that modifications at the two sites immediately flanking the eIF4E-binding domain, Thr(46) and Ser(65), consistently have the most significant effects, and that phosphorylation of Ser(65) causes the greatest reduction in binding affinity. Serine 103-106 eukaryotic translation initiation factor 4E Homo sapiens 69-74 11278829-6 2001 We find that modifications at the two sites immediately flanking the eIF4E-binding domain, Thr(46) and Ser(65), consistently have the most significant effects, and that phosphorylation of Ser(65) causes the greatest reduction in binding affinity. Serine 188-191 eukaryotic translation initiation factor 4E Homo sapiens 69-74 11368785-2 2001 Adenoviral gene transfer was employed to increase either eIF4F complex formation or the phosphorylation of eIF4E on Ser-209. Serine 116-119 eukaryotic translation initiation factor 4E Homo sapiens 107-112 11368785-9 2001 We conclude the following: (1) eIF4F assembly is increased by raising eIF4E levels via adenoviral gene transfer; (2) the capbinding affinity of eIF4F is a rate-limiting determinant for total protein synthesis rates; and (3) increases in the quantity of eIF4Falone or in eIF4E phosphorylation are not sufficient to accelerate total protein synthesis rates. eif4falone 253-263 eukaryotic translation initiation factor 4E Homo sapiens 31-36 11368785-9 2001 We conclude the following: (1) eIF4F assembly is increased by raising eIF4E levels via adenoviral gene transfer; (2) the capbinding affinity of eIF4F is a rate-limiting determinant for total protein synthesis rates; and (3) increases in the quantity of eIF4Falone or in eIF4E phosphorylation are not sufficient to accelerate total protein synthesis rates. eif4falone 253-263 eukaryotic translation initiation factor 4E Homo sapiens 144-149 11437917-2 2001 Eight tryptophan residues, typical for eIF4E, are strictly conserved in the encoded 210 amino acid protein. Tryptophan 6-16 eukaryotic translation initiation factor 4E Homo sapiens 39-44 11230136-3 2001 Decapping is activated in extracts by the addition of (7me)GpppG, which specifically sequesters cap-binding proteins such as eIF4E and the deadenylase DAN/PARN. (7me)gpppg 54-64 eukaryotic translation initiation factor 4E Homo sapiens 125-130 11331201-6 2001 Moreover, this alcohol-induced impairment in initiation is associated with a decreased availability of eukaryotic initiation factor (eIF) 4E in striated muscle, as evidenced by an increase in the amount of the inactive eIF4E.4E-BP1 complex and decrease in the active eIF4E.eIF4G complex. Alcohols 15-22 eukaryotic translation initiation factor 4E Homo sapiens 103-140 11238774-2 2001 Oral administration of leucine stimulates protein synthesis in association with hyperphosphorylation of the translational repressor, eukaryotic initiation factor (eIF) 4E binding protein 1 (4E-BP1), resulting in enhanced availability of the mRNA cap-binding protein eIF4E, for binding eIF4G and forming the active eIF4F complex. Leucine 23-30 eukaryotic translation initiation factor 4E Homo sapiens 266-271 10898981-7 2000 Single alanine substitutions at key positions in the peptides impair their binding to eIF4E and markedly reduce their ability to induce apoptosis. Alanine 7-14 eukaryotic translation initiation factor 4E Homo sapiens 86-91 11204566-6 2001 We confirm that expression of eIF-4E and eIF-2alpha is biologically relevant in that platelets continue protein synthesis, albeit at a 16 times lower rate than WBC (as determined by 35S-labeled amino acid incorporation, SDS-PAGE and scintillation counting). Sulfur-35 182-185 eukaryotic translation initiation factor 4E Homo sapiens 30-36 11204566-6 2001 We confirm that expression of eIF-4E and eIF-2alpha is biologically relevant in that platelets continue protein synthesis, albeit at a 16 times lower rate than WBC (as determined by 35S-labeled amino acid incorporation, SDS-PAGE and scintillation counting). Sodium Dodecyl Sulfate 220-223 eukaryotic translation initiation factor 4E Homo sapiens 30-36 11112322-6 2000 A 3.5-kb eIF4E clone isolated from starfish cDNA is 57% identical to human eIF4E and contains the putative phosphorylation site serine-209. Serine 128-134 eukaryotic translation initiation factor 4E Homo sapiens 9-14 11112322-8 2000 A starfish eIF4E fusion protein (GST-4E) was phosphorylated in vitro by PRK2 in the presence of 1,2-diolyl-sn-glycerol 3-phosphate. 1,2-diolyl-sn-glycerol 3-phosphate 96-130 eukaryotic translation initiation factor 4E Homo sapiens 11-16 11112322-12 2000 Thus, PRK2 may regulate translation initiation during oocyte maturation by phosphorylating the serine-209 residue of eIF4E in starfish. Serine 95-101 eukaryotic translation initiation factor 4E Homo sapiens 117-122 11112322-13 2000 We also demonstrate that high levels of cAMP inhibit the activation of PRK2, eIF4E, and the eIF4E binding protein during starfish oocyte maturation, while PI3 kinase activates these proteins. Cyclic AMP 40-44 eukaryotic translation initiation factor 4E Homo sapiens 77-82 11114520-1 2000 A rate-limiting step during translation initiation in eukaryotic cells involves binding of the initiation factor eIF4E to the 7-methylguanosine-containing cap of mRNAs. 7-methylguanosine 126-143 eukaryotic translation initiation factor 4E Homo sapiens 113-118 11114520-12 2000 Our findings suggest that Eap1p carries out an eIF4E-independent function to maintain genetic stability, most likely involving SPBs. sleep-promoting factor B 127-131 eukaryotic translation initiation factor 4E Homo sapiens 47-52 11076512-5 2000 To further understand the structural requirements for the specific recognition of an m(7)G mRNA cap, we determined the effects of amino acid substitutions in eIF4E and VP39 cap-binding sites on their affinity for m(7)GDP. Guanosine Diphosphate 217-220 eukaryotic translation initiation factor 4E Homo sapiens 158-163 11076512-7 2000 The results suggest that both eIF4E and VP39 require a complicated pattern of both orientation and identity of the stacking aromatic residues to permit the selective binding of m(7)GDP. Guanosine Diphosphate 181-184 eukaryotic translation initiation factor 4E Homo sapiens 30-35 10942774-4 2000 A portion of PHAS-I that copurified with eIF4E reacted with Thr(P)-36/45 and Thr(P)-69 antibodies but not with Ser(P)-64 antibodies. Threonine 60-63 eukaryotic translation initiation factor 4E Homo sapiens 41-46 10942774-4 2000 A portion of PHAS-I that copurified with eIF4E reacted with Thr(P)-36/45 and Thr(P)-69 antibodies but not with Ser(P)-64 antibodies. Threonine 77-80 eukaryotic translation initiation factor 4E Homo sapiens 41-46 10898981-8 2000 A triple alanine substitution, which abolishes binding to eIF4E, renders the peptide unable to induce apoptosis. Alanine 9-16 eukaryotic translation initiation factor 4E Homo sapiens 58-63 10856257-7 2000 Overexpression of wild-type 4E-T, but not of a mutant defective for eIF4E binding, causes the nuclear accumulation of HA-eIF4E in cells treated with leptomycin B. leptomycin B 149-161 eukaryotic translation initiation factor 4E Homo sapiens 121-126 10820006-2 2000 eIF4E is a 25 kDa translation initiation protein, whose solution structure was previously solved in a 3-[(3-cholamidopropyl)dimethylammonio]-1-propanesulfonate hydrate (CHAPS) micelle of total molecular mass approximately 45-50 kDa. 3-[(3-Cholamidopropyl)dimethylammonio]-1-propanesulfonate hydrate 102-167 eukaryotic translation initiation factor 4E Homo sapiens 0-5 10828072-4 2000 To gain insight into molecular mechanisms by which ROS influence the pathogenesis of these diseases, I have studied the effect of H(2)O(2), a ROS, on eIF4E phosphorylation. Reactive Oxygen Species 142-145 eukaryotic translation initiation factor 4E Homo sapiens 150-155 10828072-5 2000 H(2)O(2) induced eIF4E phosphorylation in a dose- and time-dependent manner in growth-arrested smooth muscle cells (SMC). Hydrogen Peroxide 0-8 eukaryotic translation initiation factor 4E Homo sapiens 17-22 10828072-6 2000 H(2)O(2)-induced eIF4E phosphorylation occurred on serine residues. Hydrogen Peroxide 0-8 eukaryotic translation initiation factor 4E Homo sapiens 17-22 10828072-6 2000 H(2)O(2)-induced eIF4E phosphorylation occurred on serine residues. Serine 51-57 eukaryotic translation initiation factor 4E Homo sapiens 17-22 10828072-10 2000 In contrast, trifluoperazine, an antagonist of calcium/calmodulin kinases, completely blocked H(2)O(2)-induced eIF4E phosphorylation. Trifluoperazine 13-28 eukaryotic translation initiation factor 4E Homo sapiens 111-116 10828072-10 2000 In contrast, trifluoperazine, an antagonist of calcium/calmodulin kinases, completely blocked H(2)O(2)-induced eIF4E phosphorylation. Hydrogen Peroxide 94-102 eukaryotic translation initiation factor 4E Homo sapiens 111-116 10828072-11 2000 In addition, intracellular and extracellular Ca(2+) chelators significantly inhibited H(2)O(2)-induced eIF4E phosphorylation. Hydrogen Peroxide 86-94 eukaryotic translation initiation factor 4E Homo sapiens 103-108 10753934-1 2000 Stimulation of serum-starved human embryonic kidney (HEK) 293 cells with either the phorbol ester, 12-O-tetradecanoylphorbol-13-acetate (TPA), or insulin resulted in increases in the phosphorylation of 4E-BP1 and p70 S6 kinase, eIF4F assembly, and protein synthesis. Phorbol Esters 84-97 eukaryotic translation initiation factor 4E Homo sapiens 228-233 10753934-1 2000 Stimulation of serum-starved human embryonic kidney (HEK) 293 cells with either the phorbol ester, 12-O-tetradecanoylphorbol-13-acetate (TPA), or insulin resulted in increases in the phosphorylation of 4E-BP1 and p70 S6 kinase, eIF4F assembly, and protein synthesis. Tetradecanoylphorbol Acetate 99-135 eukaryotic translation initiation factor 4E Homo sapiens 228-233 10753934-1 2000 Stimulation of serum-starved human embryonic kidney (HEK) 293 cells with either the phorbol ester, 12-O-tetradecanoylphorbol-13-acetate (TPA), or insulin resulted in increases in the phosphorylation of 4E-BP1 and p70 S6 kinase, eIF4F assembly, and protein synthesis. Tetradecanoylphorbol Acetate 137-140 eukaryotic translation initiation factor 4E Homo sapiens 228-233 10753934-6 2000 Transient transfection of constitutively active mitogen-activated protein kinase interacting kinase 1 (the eIF4E kinase) indicated that inhibition of protein synthesis and eIF4F assembly by PD098059 is not through inhibition of eIF4E phosphorylation but of other signals emanating from MEK. 2-(2-amino-3-methoxyphenyl)-4H-1-benzopyran-4-one 190-198 eukaryotic translation initiation factor 4E Homo sapiens 107-112 10753934-6 2000 Transient transfection of constitutively active mitogen-activated protein kinase interacting kinase 1 (the eIF4E kinase) indicated that inhibition of protein synthesis and eIF4F assembly by PD098059 is not through inhibition of eIF4E phosphorylation but of other signals emanating from MEK. 2-(2-amino-3-methoxyphenyl)-4H-1-benzopyran-4-one 190-198 eukaryotic translation initiation factor 4E Homo sapiens 172-177 10744754-6 2000 IFE-3, the most closely related to mammalian eIF4E-1, binds only 7-methylguanosine caps and is essential for viability. 7-methylguanosine 65-82 eukaryotic translation initiation factor 4E Homo sapiens 45-52 10820006-2 2000 eIF4E is a 25 kDa translation initiation protein, whose solution structure was previously solved in a 3-[(3-cholamidopropyl)dimethylammonio]-1-propanesulfonate hydrate (CHAPS) micelle of total molecular mass approximately 45-50 kDa. 3-((3-cholamidopropyl)dimethylammonium)-1-propanesulfonate 169-174 eukaryotic translation initiation factor 4E Homo sapiens 0-5 10891393-0 2000 Phosphorylation of eIF-4E on Ser 209 in response to mitogenic and inflammatory stimuli is faithfully detected by specific antibodies. Serine 29-32 eukaryotic translation initiation factor 4E Homo sapiens 19-25 10891393-1 2000 Phosphorylation of Ser 209 is thought to modulate the activity of the cap-binding factor eIF-4E which is a crucial component in the initiation complex for cap-dependent translation of mRNA. Serine 19-22 eukaryotic translation initiation factor 4E Homo sapiens 89-95 10891393-2 2000 We report here the full reconstitution of the p38 Map kinase cascade leading to phosphorylation of eIF-4E in vitro and the generation of antibodies specific for phospho-serine 209 in eIF-4E. Serine 169-175 eukaryotic translation initiation factor 4E Homo sapiens 99-105 10891393-2 2000 We report here the full reconstitution of the p38 Map kinase cascade leading to phosphorylation of eIF-4E in vitro and the generation of antibodies specific for phospho-serine 209 in eIF-4E. Serine 169-175 eukaryotic translation initiation factor 4E Homo sapiens 183-189 10891393-5 2000 By using a potent small molecular weight inhibitor of Mnk1, the upstream kinase for eIF-4E, we observed a rapid dephosphorylation of eIF-4E within 45 min after addition of the inhibitor, suggesting a high turnover of phosphate on eIF-4E mediated by Mnk1 and a yet unidentified phosphatase. Phosphates 217-226 eukaryotic translation initiation factor 4E Homo sapiens 84-90 10891393-5 2000 By using a potent small molecular weight inhibitor of Mnk1, the upstream kinase for eIF-4E, we observed a rapid dephosphorylation of eIF-4E within 45 min after addition of the inhibitor, suggesting a high turnover of phosphate on eIF-4E mediated by Mnk1 and a yet unidentified phosphatase. Phosphates 217-226 eukaryotic translation initiation factor 4E Homo sapiens 133-139 10891393-5 2000 By using a potent small molecular weight inhibitor of Mnk1, the upstream kinase for eIF-4E, we observed a rapid dephosphorylation of eIF-4E within 45 min after addition of the inhibitor, suggesting a high turnover of phosphate on eIF-4E mediated by Mnk1 and a yet unidentified phosphatase. Phosphates 217-226 eukaryotic translation initiation factor 4E Homo sapiens 133-139 10454551-6 1999 Moreover, despite rapamycin-induced dephosphorylation of 4BP-1, eIF-4E-eIF-4G complexes (eIF-4F) were still detected. Sirolimus 18-27 eukaryotic translation initiation factor 4E Homo sapiens 64-70 10882133-6 2000 Third, the addition of cap binding protein eIF4E inhibits deadenylation in vitro. cap 23-26 eukaryotic translation initiation factor 4E Homo sapiens 43-48 10648556-13 2000 We also demonstrate that eIF4E is specifically released from the speckles by the cap analogue m(7)GpppG in a cell permeabilization assay. (7)gpppg 95-103 eukaryotic translation initiation factor 4E Homo sapiens 25-30 10648556-15 2000 5,6-dichloro-1-beta-d-ribofuranosylbenzimidazole (DRB) treatment of cells causes the condensation of eIF4E nuclear speckles. Dichlororibofuranosylbenzimidazole 0-48 eukaryotic translation initiation factor 4E Homo sapiens 101-106 10648556-15 2000 5,6-dichloro-1-beta-d-ribofuranosylbenzimidazole (DRB) treatment of cells causes the condensation of eIF4E nuclear speckles. Dichlororibofuranosylbenzimidazole 50-53 eukaryotic translation initiation factor 4E Homo sapiens 101-106 11156290-0 2000 Stopped-flow and Brownian dynamics studies of electrostatic effects in the kinetics of binding of 7-methyl-GpppG to the protein eIF4E. 7-methyl-diguanosine triphosphate 98-112 eukaryotic translation initiation factor 4E Homo sapiens 128-133 11156290-1 2000 The kinetics of binding 7-methyl-GpppG, an analogue of the 5"-mRNA cap, to the cap-binding protein eIF4E, at 20 degrees C, in 50 mM Hepes-KOH buffer, pH 7.2, and 50, 150 and 350 mM KCl, was measured using a stopped-flow spectrofluorometer, and was simulated by means of a Brownian dynamics method. 7-methyl-diguanosine triphosphate 24-38 eukaryotic translation initiation factor 4E Homo sapiens 99-104 10772338-2 2000 The association rate of 4E-BP1 with eIF4E increased by about two orders of magnitude in the presence of m7GTP (a model compound of mRNA cap structure), but the dissociation rate was scarcely affected, indicating the cap-dependent binding of 4E-BP1 to eIF4E. 7-methylguanosine triphosphate 104-109 eukaryotic translation initiation factor 4E Homo sapiens 36-41 10772338-3 2000 On the other hand, phosphorylation of 4E-BP1 weakened its interaction with eIF4E whether m7GTP was present or not. 7-methylguanosine triphosphate 89-94 eukaryotic translation initiation factor 4E Homo sapiens 75-80 10611225-0 2000 Eukaryotic translation initiation factor 4E (eIF4E) binding site and the middle one-third of eIF4GI constitute the core domain for cap-dependent translation, and the C-terminal one-third functions as a modulatory region. cap 131-134 eukaryotic translation initiation factor 4E Homo sapiens 0-43 10611225-0 2000 Eukaryotic translation initiation factor 4E (eIF4E) binding site and the middle one-third of eIF4GI constitute the core domain for cap-dependent translation, and the C-terminal one-third functions as a modulatory region. cap 131-134 eukaryotic translation initiation factor 4E Homo sapiens 45-50 10504405-8 1999 However, eIF4E-BP1 and eIF4E kinases remain highly active during heat shock, as okadaic acid treatment restores phosphorylation of both factors in heat shocked cells. Okadaic Acid 80-92 eukaryotic translation initiation factor 4E Homo sapiens 9-14 10477262-5 1999 The stress-induced changes in eIF4E phosphorylation were totally abrogated by the p38 mitogen-activated protein (MAP) kinase inhibitor SB203580, and were partly inhibited by the phosphoinositide 3-kinase inhibitor LY294002 and the mammalian target of rapamycin (mTOR) inhibitor rapamycin. SB 203580 135-143 eukaryotic translation initiation factor 4E Homo sapiens 30-35 10477262-5 1999 The stress-induced changes in eIF4E phosphorylation were totally abrogated by the p38 mitogen-activated protein (MAP) kinase inhibitor SB203580, and were partly inhibited by the phosphoinositide 3-kinase inhibitor LY294002 and the mammalian target of rapamycin (mTOR) inhibitor rapamycin. 2-(4-morpholinyl)-8-phenyl-4H-1-benzopyran-4-one 214-222 eukaryotic translation initiation factor 4E Homo sapiens 30-35 10454551-6 1999 Moreover, despite rapamycin-induced dephosphorylation of 4BP-1, eIF-4E-eIF-4G complexes (eIF-4F) were still detected. Sirolimus 18-27 eukaryotic translation initiation factor 4E Homo sapiens 89-95 10439040-5 1999 In cells overexpressing eIF4E, c-myc is overexpressed and particularly the larger, CUG-initiated form (Myc1). 3-Carboxyumbelliferyl beta-D-galactopyranoside 83-86 eukaryotic translation initiation factor 4E Homo sapiens 24-29 10364159-12 1999 Thr-37 and Thr-46 are efficiently phosphorylated in vitro by FRAP/mTOR when 4E-BP1 is bound to eIF4E. Threonine 0-3 eukaryotic translation initiation factor 4E Homo sapiens 95-100 10364159-12 1999 Thr-37 and Thr-46 are efficiently phosphorylated in vitro by FRAP/mTOR when 4E-BP1 is bound to eIF4E. Threonine 11-14 eukaryotic translation initiation factor 4E Homo sapiens 95-100 10364159-14 1999 Phosphorylated Thr-37 and Thr-46 are detected in all phosphorylated in vivo 4E-BP1 isoforms, including those that interact with eIF4E. Threonine 15-18 eukaryotic translation initiation factor 4E Homo sapiens 128-133 10364159-14 1999 Phosphorylated Thr-37 and Thr-46 are detected in all phosphorylated in vivo 4E-BP1 isoforms, including those that interact with eIF4E. Threonine 26-29 eukaryotic translation initiation factor 4E Homo sapiens 128-133 10330171-8 1999 To test this model, we have employed the tetracycline-inducible system to increase eIF4E expression. Tetracycline 41-53 eukaryotic translation initiation factor 4E Homo sapiens 83-88 10330171-9 1999 Removal of tetracycline induced eIF4E expression up to fivefold over endogenous levels. Tetracycline 11-23 eukaryotic translation initiation factor 4E Homo sapiens 32-37 10216941-1 1999 Translation initiation factor 4E (eIF4E) binds the 7-methylguanosine cap structure of mRNA and mediates recruitment of mRNA to ribosomes, with the potential of regulating the overall rate of translation and discriminating between different RNAs. 7-methylguanosine 51-68 eukaryotic translation initiation factor 4E Homo sapiens 34-39 10394359-1 1999 eIF4G uses a conserved Tyr-X-X-X-X-Leu-phi segment (where X is variable and phi is hydrophobic) to recognize eIF4E during cap-dependent translation initiation in eukaryotes. Tyrosine 23-26 eukaryotic translation initiation factor 4E Homo sapiens 109-114 10212283-1 1999 To understand the mechanisms of prostaglandin F2alpha (PGF2alpha)-induced protein synthesis in vascular smooth muscle cells (VSMC), we have studied its effect on two major signal transduction pathways: mitogen-activated protein kinases and phosphatidylinositol 3-kinase (PI3-kinase) and their downstream targets ribosomal protein S6 kinase (p70(S6k)) and eukaryotic initiation factor eIF4E and its regulator 4E-BP1. Dinoprost 32-53 eukaryotic translation initiation factor 4E Homo sapiens 384-389 10212283-1 1999 To understand the mechanisms of prostaglandin F2alpha (PGF2alpha)-induced protein synthesis in vascular smooth muscle cells (VSMC), we have studied its effect on two major signal transduction pathways: mitogen-activated protein kinases and phosphatidylinositol 3-kinase (PI3-kinase) and their downstream targets ribosomal protein S6 kinase (p70(S6k)) and eukaryotic initiation factor eIF4E and its regulator 4E-BP1. Dinoprost 55-64 eukaryotic translation initiation factor 4E Homo sapiens 384-389 10212283-3 1999 PGF2alpha also induced eIF4E and 4E-BP1 phosphorylation, global protein synthesis, and basic fibroblast growth factor-2 (bFGF-2) expression in VSMC. Dinoprost 0-9 eukaryotic translation initiation factor 4E Homo sapiens 23-39 10212283-7 1999 PGF2alpha-induced phosphorylation of eIF4E and 4E-BP1 was also found to be sensitive to inhibition by both wortmannin and rapamycin. Dinoprost 0-9 eukaryotic translation initiation factor 4E Homo sapiens 37-53 10212283-7 1999 PGF2alpha-induced phosphorylation of eIF4E and 4E-BP1 was also found to be sensitive to inhibition by both wortmannin and rapamycin. Wortmannin 107-117 eukaryotic translation initiation factor 4E Homo sapiens 37-53 10212283-7 1999 PGF2alpha-induced phosphorylation of eIF4E and 4E-BP1 was also found to be sensitive to inhibition by both wortmannin and rapamycin. Sirolimus 122-131 eukaryotic translation initiation factor 4E Homo sapiens 37-53 10206976-5 1999 In the present study, leucine stimulated phosphorylation of the eIF4E-binding protein, 4E-BP1, in L6 myoblasts, resulting in dissociation of eIF4E from the inactive eIF4E.4E-BP1 complex. Leucine 22-29 eukaryotic translation initiation factor 4E Homo sapiens 64-69 10206976-5 1999 In the present study, leucine stimulated phosphorylation of the eIF4E-binding protein, 4E-BP1, in L6 myoblasts, resulting in dissociation of eIF4E from the inactive eIF4E.4E-BP1 complex. Leucine 22-29 eukaryotic translation initiation factor 4E Homo sapiens 141-146 10206976-5 1999 In the present study, leucine stimulated phosphorylation of the eIF4E-binding protein, 4E-BP1, in L6 myoblasts, resulting in dissociation of eIF4E from the inactive eIF4E.4E-BP1 complex. Leucine 22-29 eukaryotic translation initiation factor 4E Homo sapiens 141-146 10022874-5 1999 Second, mitogens and stresses induce the phosphorylation of eIF4E at Ser 209, increasing the affinity of eIF4E for capped mRNA and for an associated scaffolding protein, eIF4G. Serine 69-72 eukaryotic translation initiation factor 4E Homo sapiens 60-65 10022874-5 1999 Second, mitogens and stresses induce the phosphorylation of eIF4E at Ser 209, increasing the affinity of eIF4E for capped mRNA and for an associated scaffolding protein, eIF4G. Serine 69-72 eukaryotic translation initiation factor 4E Homo sapiens 105-110 10349744-1 1999 Binding of a long series of mono- and dinucleotide analogues of the 7-methylguanosine containing 5"-mRNA-cap to human protein translation initiation factor eIF4E has been investigated by means of fluorescence. mono- and dinucleotide 28-50 eukaryotic translation initiation factor 4E Homo sapiens 156-161 10349744-1 1999 Binding of a long series of mono- and dinucleotide analogues of the 7-methylguanosine containing 5"-mRNA-cap to human protein translation initiation factor eIF4E has been investigated by means of fluorescence. 7-methylguanosine 68-85 eukaryotic translation initiation factor 4E Homo sapiens 156-161 10349744-3 1999 The results confirm participation of at least two conserved tryptophan residues of eIF4E in interaction with 7-methylguanine, as has been described recently for murine eIF4E, complexed with 7-methyl-GDP in crystal (Marcotrigiano et al., 1997, Cell 89, 951), and for yeast eIF4E, complexed with the same ligand in solution (Matsuo et al., 1997, Nature Struct. Tryptophan 60-70 eukaryotic translation initiation factor 4E Homo sapiens 168-173 10349744-3 1999 The results confirm participation of at least two conserved tryptophan residues of eIF4E in interaction with 7-methylguanine, as has been described recently for murine eIF4E, complexed with 7-methyl-GDP in crystal (Marcotrigiano et al., 1997, Cell 89, 951), and for yeast eIF4E, complexed with the same ligand in solution (Matsuo et al., 1997, Nature Struct. 7-methylguanine 109-124 eukaryotic translation initiation factor 4E Homo sapiens 168-173 10349744-3 1999 The results confirm participation of at least two conserved tryptophan residues of eIF4E in interaction with 7-methylguanine, as has been described recently for murine eIF4E, complexed with 7-methyl-GDP in crystal (Marcotrigiano et al., 1997, Cell 89, 951), and for yeast eIF4E, complexed with the same ligand in solution (Matsuo et al., 1997, Nature Struct. 7-methylguanosine 5'-diphosphate 190-202 eukaryotic translation initiation factor 4E Homo sapiens 168-173 10349744-6 1999 On the other hand binding by eIF4E of unmethylated guanine nucleotides and N2,N2,7-trimethylguanine containing nucleotides differ substantially from the way of binding of the regular mRNA-cap. Guanine Nucleotides 51-70 eukaryotic translation initiation factor 4E Homo sapiens 29-34 10349744-7 1999 Influence of the structural features of the cap-analogues, especially the type of the second nucleoside in the dinucleotide caps, on their association with eIF4E and biological activities in in vitro protein translation systems has been discussed in light of the known structures of the eIF4E-7-methyl-GDP complexes in crystal and solution. Nucleosides 93-103 eukaryotic translation initiation factor 4E Homo sapiens 156-161 10349744-7 1999 Influence of the structural features of the cap-analogues, especially the type of the second nucleoside in the dinucleotide caps, on their association with eIF4E and biological activities in in vitro protein translation systems has been discussed in light of the known structures of the eIF4E-7-methyl-GDP complexes in crystal and solution. Dinucleoside Phosphates 111-123 eukaryotic translation initiation factor 4E Homo sapiens 156-161 10349744-7 1999 Influence of the structural features of the cap-analogues, especially the type of the second nucleoside in the dinucleotide caps, on their association with eIF4E and biological activities in in vitro protein translation systems has been discussed in light of the known structures of the eIF4E-7-methyl-GDP complexes in crystal and solution. Guanosine Diphosphate 302-305 eukaryotic translation initiation factor 4E Homo sapiens 156-161 10037284-5 1999 Immunohistochemical analysis was used to detect eIF4E on paraffin embedded sections of the tumor and the histologically negative surgical margins. Paraffin 57-65 eukaryotic translation initiation factor 4E Homo sapiens 48-53 10216947-8 1999 However, an increase in active eIF-4E may allow for the synthesis of ODC even in the presence of polyamine levels that repress ODC translation in cells with lower levels of the initiation factor. Polyamines 97-106 eukaryotic translation initiation factor 4E Homo sapiens 31-37 9812990-5 1998 Leucine, but not histidine, additionally caused a redistribution of eIF4E from the inactive eIF4E.4E-BP1 complex to the active eIF4E.eIF4G complex. Leucine 0-7 eukaryotic translation initiation factor 4E Homo sapiens 68-73 9812990-5 1998 Leucine, but not histidine, additionally caused a redistribution of eIF4E from the inactive eIF4E.4E-BP1 complex to the active eIF4E.eIF4G complex. Leucine 0-7 eukaryotic translation initiation factor 4E Homo sapiens 92-97 9812990-5 1998 Leucine, but not histidine, additionally caused a redistribution of eIF4E from the inactive eIF4E.4E-BP1 complex to the active eIF4E.eIF4G complex. Leucine 0-7 eukaryotic translation initiation factor 4E Homo sapiens 92-97 9812990-7 1998 The changes in 4E-BP1 phosphorylation and eIF4E redistribution associated with leucine deprivation were not observed in the presence of insulin. Leucine 79-86 eukaryotic translation initiation factor 4E Homo sapiens 42-47 9605667-6 1998 Quantification for eIF4E protein level was accomplished using a rabbit anti-eIF4E antibody and colorimetric development of Western blots using nitro blue tetrazolium and 5-bromo-4-chloro-3-indolyl phosphate. Nitroblue Tetrazolium 143-165 eukaryotic translation initiation factor 4E Homo sapiens 19-24 9722592-10 1998 Consistent with these findings, DAMGO-stimulated phosphorylation of 4E-BP1 impairs its ability to bind the translation initiation factor eIF-4E. Enkephalin, Ala(2)-MePhe(4)-Gly(5)- 32-37 eukaryotic translation initiation factor 4E Homo sapiens 137-143 9729789-2 1998 15N relaxation studies have been used to characterize the backbone dynamics of deuterated eIF4E in a CHAPS micelle for the apoprotein, the m7GDP-bound form, and the dinucleotide (m7GpppA)-bound form, as well as for CHAPS-free eIF4E. 15n 0-3 eukaryotic translation initiation factor 4E Homo sapiens 90-95 9729789-2 1998 15N relaxation studies have been used to characterize the backbone dynamics of deuterated eIF4E in a CHAPS micelle for the apoprotein, the m7GDP-bound form, and the dinucleotide (m7GpppA)-bound form, as well as for CHAPS-free eIF4E. 3-((3-cholamidopropyl)dimethylammonium)-1-propanesulfonate 101-106 eukaryotic translation initiation factor 4E Homo sapiens 90-95 9729789-2 1998 15N relaxation studies have been used to characterize the backbone dynamics of deuterated eIF4E in a CHAPS micelle for the apoprotein, the m7GDP-bound form, and the dinucleotide (m7GpppA)-bound form, as well as for CHAPS-free eIF4E. Dinucleoside Phosphates 165-177 eukaryotic translation initiation factor 4E Homo sapiens 90-95 9729789-2 1998 15N relaxation studies have been used to characterize the backbone dynamics of deuterated eIF4E in a CHAPS micelle for the apoprotein, the m7GDP-bound form, and the dinucleotide (m7GpppA)-bound form, as well as for CHAPS-free eIF4E. m7GpppA 179-186 eukaryotic translation initiation factor 4E Homo sapiens 90-95 9729789-2 1998 15N relaxation studies have been used to characterize the backbone dynamics of deuterated eIF4E in a CHAPS micelle for the apoprotein, the m7GDP-bound form, and the dinucleotide (m7GpppA)-bound form, as well as for CHAPS-free eIF4E. 3-((3-cholamidopropyl)dimethylammonium)-1-propanesulfonate 215-220 eukaryotic translation initiation factor 4E Homo sapiens 90-95 9729789-3 1998 Large differences in overall correlation time between the CHAPS-free form (11.8 ns) and samples containing different concentrations of CHAPS (15.9-19.4 ns) indicate that eIF4E is embedded in a large micelle in the presence of CHAPS, with a total molecular weight in the range of 40-60 kDa. 3-((3-cholamidopropyl)dimethylammonium)-1-propanesulfonate 58-63 eukaryotic translation initiation factor 4E Homo sapiens 170-175 9729789-3 1998 Large differences in overall correlation time between the CHAPS-free form (11.8 ns) and samples containing different concentrations of CHAPS (15.9-19.4 ns) indicate that eIF4E is embedded in a large micelle in the presence of CHAPS, with a total molecular weight in the range of 40-60 kDa. 3-((3-cholamidopropyl)dimethylammonium)-1-propanesulfonate 135-140 eukaryotic translation initiation factor 4E Homo sapiens 170-175 9729789-3 1998 Large differences in overall correlation time between the CHAPS-free form (11.8 ns) and samples containing different concentrations of CHAPS (15.9-19.4 ns) indicate that eIF4E is embedded in a large micelle in the presence of CHAPS, with a total molecular weight in the range of 40-60 kDa. 3-((3-cholamidopropyl)dimethylammonium)-1-propanesulfonate 135-140 eukaryotic translation initiation factor 4E Homo sapiens 170-175 9582349-6 1998 The three-dimensional structure of 4EHP, as predicted by homology modeling, closely resembles that of eIF4E and site-directed mutagenesis analysis of 4EHP strongly suggests that it shares with eIF4E a common mechanism for cap binding. cap 222-225 eukaryotic translation initiation factor 4E Homo sapiens 102-107 9582349-6 1998 The three-dimensional structure of 4EHP, as predicted by homology modeling, closely resembles that of eIF4E and site-directed mutagenesis analysis of 4EHP strongly suggests that it shares with eIF4E a common mechanism for cap binding. cap 222-225 eukaryotic translation initiation factor 4E Homo sapiens 193-198 9605667-6 1998 Quantification for eIF4E protein level was accomplished using a rabbit anti-eIF4E antibody and colorimetric development of Western blots using nitro blue tetrazolium and 5-bromo-4-chloro-3-indolyl phosphate. 5-bromo-4-chloro-3-indoxyl phosphate 170-206 eukaryotic translation initiation factor 4E Homo sapiens 19-24 9545260-0 1998 The phosphorylation of eukaryotic initiation factor eIF4E in response to phorbol esters, cell stresses, and cytokines is mediated by distinct MAP kinase pathways. Phorbol Esters 73-87 eukaryotic translation initiation factor 4E Homo sapiens 52-57 9545260-3 1998 eIF4E phosphorylation is enhanced by phorbol esters. Phorbol Esters 37-51 eukaryotic translation initiation factor 4E Homo sapiens 0-5 9545260-5 1998 Cell stresses such as arsenite and anisomycin and the cytokines tumor necrosis factor-alpha and interleukin-1beta also cause increased phosphorylation of eIF4E, which is abolished by the specific p38 MAP kinase inhibitor, SB203580. arsenite 22-30 eukaryotic translation initiation factor 4E Homo sapiens 154-159 9545260-5 1998 Cell stresses such as arsenite and anisomycin and the cytokines tumor necrosis factor-alpha and interleukin-1beta also cause increased phosphorylation of eIF4E, which is abolished by the specific p38 MAP kinase inhibitor, SB203580. Anisomycin 35-45 eukaryotic translation initiation factor 4E Homo sapiens 154-159 9545260-5 1998 Cell stresses such as arsenite and anisomycin and the cytokines tumor necrosis factor-alpha and interleukin-1beta also cause increased phosphorylation of eIF4E, which is abolished by the specific p38 MAP kinase inhibitor, SB203580. SB 203580 222-230 eukaryotic translation initiation factor 4E Homo sapiens 154-159 9548260-2 1998 eIF4F is itself a three-subunit complex comprising the cap-binding protein eIF4E, eIF4A, an ATP-dependent RNA helicase, and eIF4G, which interacts with both eIF4A and eIF4E and enhances cap binding by eIF4E. Adenosine Triphosphate 92-95 eukaryotic translation initiation factor 4E Homo sapiens 75-80 9548260-2 1998 eIF4F is itself a three-subunit complex comprising the cap-binding protein eIF4E, eIF4A, an ATP-dependent RNA helicase, and eIF4G, which interacts with both eIF4A and eIF4E and enhances cap binding by eIF4E. Adenosine Triphosphate 92-95 eukaryotic translation initiation factor 4E Homo sapiens 167-172 9548260-2 1998 eIF4F is itself a three-subunit complex comprising the cap-binding protein eIF4E, eIF4A, an ATP-dependent RNA helicase, and eIF4G, which interacts with both eIF4A and eIF4E and enhances cap binding by eIF4E. Adenosine Triphosphate 92-95 eukaryotic translation initiation factor 4E Homo sapiens 167-172 9531283-8 1998 The expression of 4E-BP2, a specific repressor of eIF4E function, is high in DP cells but decreases during maturation, raising the possibility of a role for 4E-BP2 in repressing eIF4E phosphorylation. dp 77-79 eukaryotic translation initiation factor 4E Homo sapiens 50-55 9468502-3 1998 We demonstrate that incubation of pancreatic islets with elevated glucose levels results in rapid and concentration-dependent phosphorylation of PHAS-I, an inhibitor of mRNA cap-binding protein, eukaryotic initiation factor (eIF)-4E. Glucose 66-73 eukaryotic translation initiation factor 4E Homo sapiens 195-232 9465032-5 1998 RAFT1 phosphorylation of 4E-BP1 on Thr-36 and Thr-45 blocks its association with the cap-binding protein, eIF-4E, in vitro, and phosphorylation of Thr-45 seems to be the major regulator of the 4E-BP1-eIF-4E interaction in vivo. Threonine 46-49 eukaryotic translation initiation factor 4E Homo sapiens 200-206 9465032-5 1998 RAFT1 phosphorylation of 4E-BP1 on Thr-36 and Thr-45 blocks its association with the cap-binding protein, eIF-4E, in vitro, and phosphorylation of Thr-45 seems to be the major regulator of the 4E-BP1-eIF-4E interaction in vivo. Threonine 35-38 eukaryotic translation initiation factor 4E Homo sapiens 106-112 9465032-5 1998 RAFT1 phosphorylation of 4E-BP1 on Thr-36 and Thr-45 blocks its association with the cap-binding protein, eIF-4E, in vitro, and phosphorylation of Thr-45 seems to be the major regulator of the 4E-BP1-eIF-4E interaction in vivo. Threonine 35-38 eukaryotic translation initiation factor 4E Homo sapiens 200-206 9465032-5 1998 RAFT1 phosphorylation of 4E-BP1 on Thr-36 and Thr-45 blocks its association with the cap-binding protein, eIF-4E, in vitro, and phosphorylation of Thr-45 seems to be the major regulator of the 4E-BP1-eIF-4E interaction in vivo. Threonine 46-49 eukaryotic translation initiation factor 4E Homo sapiens 106-112 9465032-5 1998 RAFT1 phosphorylation of 4E-BP1 on Thr-36 and Thr-45 blocks its association with the cap-binding protein, eIF-4E, in vitro, and phosphorylation of Thr-45 seems to be the major regulator of the 4E-BP1-eIF-4E interaction in vivo. Threonine 46-49 eukaryotic translation initiation factor 4E Homo sapiens 106-112 9465032-5 1998 RAFT1 phosphorylation of 4E-BP1 on Thr-36 and Thr-45 blocks its association with the cap-binding protein, eIF-4E, in vitro, and phosphorylation of Thr-45 seems to be the major regulator of the 4E-BP1-eIF-4E interaction in vivo. Threonine 46-49 eukaryotic translation initiation factor 4E Homo sapiens 200-206 9428738-0 1997 Signalling through either the p38 or ERK mitogen-activated protein (MAP) kinase pathway is obligatory for phorbol ester and T cell receptor complex (TCR-CD3)-stimulated phosphorylation of initiation factor (eIF) 4E in Jurkat T cells. Phorbol Esters 106-119 eukaryotic translation initiation factor 4E Homo sapiens 207-214 9458731-6 1998 Both rapamycin and wortmannin completely blocked the insulin-induced changes in 4E-BP1 phosphorylation and association of 4E-BP1 and eIF-4E; PD-98059 had no effect on either parameter. Sirolimus 5-14 eukaryotic translation initiation factor 4E Homo sapiens 133-139 9458731-6 1998 Both rapamycin and wortmannin completely blocked the insulin-induced changes in 4E-BP1 phosphorylation and association of 4E-BP1 and eIF-4E; PD-98059 had no effect on either parameter. Wortmannin 19-29 eukaryotic translation initiation factor 4E Homo sapiens 133-139 9405468-1 1997 The eukaryotic initiation factor 4E (eIF4E)-binding protein, PHAS-I, was phosphorylated rapidly and stoichiometrically when incubated with [gamma-32P]ATP and the mammalian target of rapamycin (mTOR) that had been immunoprecipitated with an antibody, mTAb1, directed against a region near the COOH terminus of mTOR. Phosphorus-32 146-149 eukaryotic translation initiation factor 4E Homo sapiens 4-35 9405468-1 1997 The eukaryotic initiation factor 4E (eIF4E)-binding protein, PHAS-I, was phosphorylated rapidly and stoichiometrically when incubated with [gamma-32P]ATP and the mammalian target of rapamycin (mTOR) that had been immunoprecipitated with an antibody, mTAb1, directed against a region near the COOH terminus of mTOR. Adenosine Triphosphate 150-153 eukaryotic translation initiation factor 4E Homo sapiens 4-35 9428738-5 1997 In these studies, I show that activation of protein kinase C with phorbol ester, stimulation via the T cell receptor complex with the monoclonal antibody OKT3 and cellular stresses increase the phosphorylation of eIF4E in Jurkat T cells. Phorbol Esters 66-79 eukaryotic translation initiation factor 4E Homo sapiens 213-218 9160663-6 1997 Growth factor-induced phosphorylation of 4E-BP1 and dissociation of 4E-BP1 from eIF-4E was blocked in cells treated with rapamycin, wortmannin, or PD098059. Sirolimus 121-130 eukaryotic translation initiation factor 4E Homo sapiens 80-86 9160663-6 1997 Growth factor-induced phosphorylation of 4E-BP1 and dissociation of 4E-BP1 from eIF-4E was blocked in cells treated with rapamycin, wortmannin, or PD098059. Wortmannin 132-142 eukaryotic translation initiation factor 4E Homo sapiens 80-86 8774702-2 1996 By the direct expression of a synthetic gene encoding human eIF-4E as the soluble form in Escherichia coli and the application on a 7-methylguanosine-5"-triphosphate-Sepharose 4B cap affinity column, pure recombinant eIF-4E was prepared; the optimum pH for the binding of the mRNA cap was 7.5. 7-methylguanosine triphosphate 132-165 eukaryotic translation initiation factor 4E Homo sapiens 60-66 9020107-4 1997 Results from affinity chromatography on m7GTP-agarose demonstrated that AII-induced phosphorylation of 4E-BP1 promotes its dissociation from eIF4E in target cells. Sepharose 46-53 eukaryotic translation initiation factor 4E Homo sapiens 141-146 9116502-9 1997 To isolate eIF-4E binding proteins, recombinant eIF-4E was linked to agarose beads and incubated with cell lysates. Sepharose 69-76 eukaryotic translation initiation factor 4E Homo sapiens 48-54 9007984-2 1997 In order to investigate the molecular basis for this recognition, photoaffinity labeling with [gamma-32P]8-N3GTP was used in binding site studies of human recombinant cap binding protein eIF-4E. [gamma-32p]8-n3gtp 94-112 eukaryotic translation initiation factor 4E Homo sapiens 187-193 9007984-5 1997 Aluminum (III)-chelate chromatography and reverse-phase HPLC were used to isolate the binding site peptide resulting from digestion of photolabeled eIF-4E with modified trypsin. aluminum (iii) 0-14 eukaryotic translation initiation factor 4E Homo sapiens 148-154 8971030-3 1996 This inhibition is causally related to reduced phosphorylation and consequent activation of 4E-BP1, a repressor of the function of the cap-binding protein, eIF4E. cap 135-138 eukaryotic translation initiation factor 4E Homo sapiens 156-161 8774702-2 1996 By the direct expression of a synthetic gene encoding human eIF-4E as the soluble form in Escherichia coli and the application on a 7-methylguanosine-5"-triphosphate-Sepharose 4B cap affinity column, pure recombinant eIF-4E was prepared; the optimum pH for the binding of the mRNA cap was 7.5. 7-methylguanosine triphosphate 132-165 eukaryotic translation initiation factor 4E Homo sapiens 217-223 8774702-2 1996 By the direct expression of a synthetic gene encoding human eIF-4E as the soluble form in Escherichia coli and the application on a 7-methylguanosine-5"-triphosphate-Sepharose 4B cap affinity column, pure recombinant eIF-4E was prepared; the optimum pH for the binding of the mRNA cap was 7.5. Sepharose 166-178 eukaryotic translation initiation factor 4E Homo sapiens 60-66 8774702-3 1996 Among the amino acid residues conserved among various eIF-4E species, each of 14 functional residues was replaced with a nonpolar amino acid (alanine or leucine). Alanine 142-149 eukaryotic translation initiation factor 4E Homo sapiens 54-60 8774702-3 1996 Among the amino acid residues conserved among various eIF-4E species, each of 14 functional residues was replaced with a nonpolar amino acid (alanine or leucine). Leucine 153-160 eukaryotic translation initiation factor 4E Homo sapiens 54-60 8774702-6 1996 Glu103, and two histidine residues at positions 37 and 200 in human recombinant eIF-4E were suggested to be important for the recognition of the mRNA cap structure through direct interaction and/or indirect contributions. Histidine 16-25 eukaryotic translation initiation factor 4E Homo sapiens 80-86 8766822-3 1996 Since PD098059, an inhibitor of MAP kinase activation, also blocks insulin-induced phosphorylation of eIF4E, the MAP kinase pathway seems to mediate this effect. 2-(2-amino-3-methoxyphenyl)-4H-1-benzopyran-4-one 6-14 eukaryotic translation initiation factor 4E Homo sapiens 102-107 8662663-0 1996 Phosphorylation of eIF-4E on serine 209 by protein kinase C is inhibited by the translational repressors, 4E-binding proteins. Serine 29-35 eukaryotic translation initiation factor 4E Homo sapiens 19-25 8610440-6 1996 An artificial increase of the level of phosphorylated eIF4E by treating the cells with the phosphatase inhibitor okadaic acid changed neither the kinetics of EMCV and poliovirus infection, nor that of host shut-off. Okadaic Acid 113-125 eukaryotic translation initiation factor 4E Homo sapiens 54-59 8610440-8 1996 Besides this entry-induced eIF4E dephosphorylation, dephosphorylation was also induced by blocking protein synthesis with the initiation inhibitor pactamycin, or with the elongation inhibitor cycloheximide. Pactamycin 147-157 eukaryotic translation initiation factor 4E Homo sapiens 27-32 8610440-8 1996 Besides this entry-induced eIF4E dephosphorylation, dephosphorylation was also induced by blocking protein synthesis with the initiation inhibitor pactamycin, or with the elongation inhibitor cycloheximide. Cycloheximide 192-205 eukaryotic translation initiation factor 4E Homo sapiens 27-32 8610440-9 1996 We conclude that eIF4E is dephosphorylated by entry of EMCV, and the effect is strengthened by the decrease in cap-dependent translation. cap 111-114 eukaryotic translation initiation factor 4E Homo sapiens 17-22 7590282-0 1995 Role of Ser-53 phosphorylation in the activity of human translation initiation factor eIF-4E in mammalian and yeast cells. Serine 8-11 eukaryotic translation initiation factor 4E Homo sapiens 86-92 8652634-1 1996 1H-NMR spectroscopy was applied to a study of the mode of interaction, in aqueous medium in the pH range 5.2-8.5 and at low and high temperatures, between several mono- and dinucleotide analogues of the mRNA cap m7GpppG and a selected tripeptide Trp-Leu-Glu, and a tetrapeptide Trp-Glu-Asp-Glu, the sequence of which corresponds to one of the suspected binding sites in the mRNA cap-binding protein (CBP). Hydrogen 0-2 eukaryotic translation initiation factor 4E Homo sapiens 400-403 8599949-7 1996 Thus, inactivation of eIF-4E is, at least in part, responsible for inhibition of cap-dependent translation in rapamycin-treated cells. Sirolimus 110-119 eukaryotic translation initiation factor 4E Homo sapiens 22-28 8882708-1 1996 Recombinant human eukaryotic initiation factor-4E (eIF-4E), purified by m7GTP-Sepharose 4B affinity chromatography, was used for crystallization. Sepharose 78-87 eukaryotic translation initiation factor 4E Homo sapiens 18-49 8882708-1 1996 Recombinant human eukaryotic initiation factor-4E (eIF-4E), purified by m7GTP-Sepharose 4B affinity chromatography, was used for crystallization. Sepharose 78-87 eukaryotic translation initiation factor 4E Homo sapiens 51-57 8749714-4 1995 However, the phosphorylation state, as well as the turnover of phosphate on eIF-4E, remained unchanged. Phosphates 63-72 eukaryotic translation initiation factor 4E Homo sapiens 76-82 8749714-5 1995 Apparently, the change in protein synthesis after RA addition is regulated by another mechanism than eIF-4E phosphorylation. Radium 50-52 eukaryotic translation initiation factor 4E Homo sapiens 101-107 7782349-1 1995 Insulin-stimulated protamine kinase (cPK) and protein kinase C (PKC) phosphorylated eukaryotic protein synthesis initiation factor 4E (eIF-4E) on serine and threonine residues located on an identical tryptic fragment as judged by two-dimensional phosphopeptide mapping. Serine 146-152 eukaryotic translation initiation factor 4E Homo sapiens 84-133 7629182-7 1995 Moreover, rapamycin attenuated the stimulation of PHAS-I phosphorylation by insulin and markedly inhibited dissociation of PHAS-I.eIF-4E, without decreasing MAP kinase activity. Sirolimus 10-19 eukaryotic translation initiation factor 4E Homo sapiens 130-136 7629182-11 1995 Rapamycin may inhibit translation initiation by increasing PHAS-I binding to eIF-4E. Sirolimus 0-9 eukaryotic translation initiation factor 4E Homo sapiens 77-83 7782349-1 1995 Insulin-stimulated protamine kinase (cPK) and protein kinase C (PKC) phosphorylated eukaryotic protein synthesis initiation factor 4E (eIF-4E) on serine and threonine residues located on an identical tryptic fragment as judged by two-dimensional phosphopeptide mapping. Serine 146-152 eukaryotic translation initiation factor 4E Homo sapiens 135-141 7782349-1 1995 Insulin-stimulated protamine kinase (cPK) and protein kinase C (PKC) phosphorylated eukaryotic protein synthesis initiation factor 4E (eIF-4E) on serine and threonine residues located on an identical tryptic fragment as judged by two-dimensional phosphopeptide mapping. Threonine 157-166 eukaryotic translation initiation factor 4E Homo sapiens 135-141 7782349-6 1995 Compared to the dephosphorylation of the cPK-modified serine on eIF-4E, reticulocyte lysates and highly purified protein phosphatase 2A exhibited marked preference for the cPK-modified threonine. Serine 54-60 eukaryotic translation initiation factor 4E Homo sapiens 64-70 7782349-6 1995 Compared to the dephosphorylation of the cPK-modified serine on eIF-4E, reticulocyte lysates and highly purified protein phosphatase 2A exhibited marked preference for the cPK-modified threonine. Threonine 185-194 eukaryotic translation initiation factor 4E Homo sapiens 64-70 7883007-0 1995 Inhibition of protein synthesis by the heme-controlled eIF-2 alpha kinase leads to the appearance of mRNA-containing 48S complexes that contain eIF-4E but lack methionyl-tRNA(f). Heme 39-43 eukaryotic translation initiation factor 4E Homo sapiens 144-150 7666354-4 1995 The isolation of eIF-4E and its purification procedure using the m7GTP affinity chromatography were accomplished. 7-methylguanosine triphosphate 65-70 eukaryotic translation initiation factor 4E Homo sapiens 17-23 7742816-4 1995 The soluble human eIF-4E digested from the fusion protein showed binding specificity for the m7GTP affinity column. 7-methylguanosine triphosphate 93-98 eukaryotic translation initiation factor 4E Homo sapiens 18-24 8505316-1 1993 Eukaryotic translation initiation factor 4E (eIF-4E) is one component of the m7G-cap-binding protein complex eIF-4F and is required for cap-dependent translation initiation. cap 81-84 eukaryotic translation initiation factor 4E Homo sapiens 0-43 7933086-4 1994 First it is shown that adenovirus blocks the addition of phosphate to eIF-4E rather than enhancing its removal, establishing that the virus impairs a signalling pathway or protein kinase activity involved in eIF-4E phosphorylation. Phosphates 57-66 eukaryotic translation initiation factor 4E Homo sapiens 70-76 8125929-3 1994 Angiotensin II induced a 2-3-fold increase in the phosphorylation of eIF-4E in VSMC. vsmc 79-83 eukaryotic translation initiation factor 4E Homo sapiens 69-75 8125929-4 1994 The stimulation of phosphorylation was apparent at 20 min and persisted for at least 12 h. Phosphoamino acid analysis revealed that serine is the major residue of eIF-4E phosphorylated by angiotensin II. Phosphoamino Acids 91-108 eukaryotic translation initiation factor 4E Homo sapiens 163-169 8125929-4 1994 The stimulation of phosphorylation was apparent at 20 min and persisted for at least 12 h. Phosphoamino acid analysis revealed that serine is the major residue of eIF-4E phosphorylated by angiotensin II. Serine 132-138 eukaryotic translation initiation factor 4E Homo sapiens 163-169 8125929-5 1994 Staurosporine and calphostin C, two potent inhibitors of the serine/threonine protein kinase, protein kinase C, significantly attenuated the angiotensin II-induced eIF-4E phosphorylation. Staurosporine 0-13 eukaryotic translation initiation factor 4E Homo sapiens 164-170 8125929-5 1994 Staurosporine and calphostin C, two potent inhibitors of the serine/threonine protein kinase, protein kinase C, significantly attenuated the angiotensin II-induced eIF-4E phosphorylation. calphostin C 18-30 eukaryotic translation initiation factor 4E Homo sapiens 164-170 8125929-7 1994 Together, these observations indicate that angiotensin II induces phosphorylation of eIF-4E in a protein kinase C-dependent manner and suggest that this pathway may play an important role in the mechanism by which angiotensin II causes hypertrophy of VSMC. vsmc 251-255 eukaryotic translation initiation factor 4E Homo sapiens 85-91 8294456-6 1994 The in vitro product also formed a complex with eIF-4E, as judged by its ability to bind to m7GTP-Sepharose. 7-methylguanosine triphosphate 92-97 eukaryotic translation initiation factor 4E Homo sapiens 48-54 8294456-6 1994 The in vitro product also formed a complex with eIF-4E, as judged by its ability to bind to m7GTP-Sepharose. Sepharose 98-107 eukaryotic translation initiation factor 4E Homo sapiens 48-54 8505316-1 1993 Eukaryotic translation initiation factor 4E (eIF-4E) is one component of the m7G-cap-binding protein complex eIF-4F and is required for cap-dependent translation initiation. cap 81-84 eukaryotic translation initiation factor 4E Homo sapiens 45-51 8505316-1 1993 Eukaryotic translation initiation factor 4E (eIF-4E) is one component of the m7G-cap-binding protein complex eIF-4F and is required for cap-dependent translation initiation. cap 81-84 eukaryotic translation initiation factor 4E Homo sapiens 109-115 8505316-2 1993 The phosphorylation state of eIF-4E correlates with increased activity and a major phosphorylation site resides at serine 53. Serine 115-121 eukaryotic translation initiation factor 4E Homo sapiens 29-35 8111971-9 1993 Treatment of oocytes with phorbol 12-myristate 13-acetate, an activator of protein kinase C, for 30 min prior to the addition of 1-MA resulted in the inhibition of 1-MA-induced phosphorylation of eIF-4E, translational activation, and germinal vesicle breakdown. Tetradecanoylphorbol Acetate 26-57 eukaryotic translation initiation factor 4E Homo sapiens 196-202 8444875-1 1993 Only serine phosphorylation of eukaryotic initiation factor-4E (eIF-4E) has been previously reported in intact cells. Serine 5-11 eukaryotic translation initiation factor 4E Homo sapiens 31-62 8444875-1 1993 Only serine phosphorylation of eukaryotic initiation factor-4E (eIF-4E) has been previously reported in intact cells. Serine 5-11 eukaryotic translation initiation factor 4E Homo sapiens 64-70 8444875-2 1993 We found that treatment of HepG2 cells with okadaic acid resulted in as much as 20% of eukaryotic initiation factor (eIF)-4E phosphorylation occurring on threonine residues and that tryptic phosphopeptide maps showed several previously unrecognized phosphopeptides. Okadaic Acid 44-56 eukaryotic translation initiation factor 4E Homo sapiens 87-124 8444875-2 1993 We found that treatment of HepG2 cells with okadaic acid resulted in as much as 20% of eukaryotic initiation factor (eIF)-4E phosphorylation occurring on threonine residues and that tryptic phosphopeptide maps showed several previously unrecognized phosphopeptides. Threonine 154-163 eukaryotic translation initiation factor 4E Homo sapiens 87-124 8444875-5 1993 The most notable finding was that hyperphosphorylation of eIF-4E and p220 increased binding of p220 but not eIF-4E to the m7GTP cap structure. 7-methylguanosine triphosphate 122-127 eukaryotic translation initiation factor 4E Homo sapiens 58-64 8111971-9 1993 Treatment of oocytes with phorbol 12-myristate 13-acetate, an activator of protein kinase C, for 30 min prior to the addition of 1-MA resulted in the inhibition of 1-MA-induced phosphorylation of eIF-4E, translational activation, and germinal vesicle breakdown. 1-methyladenine 129-133 eukaryotic translation initiation factor 4E Homo sapiens 196-202 8111971-9 1993 Treatment of oocytes with phorbol 12-myristate 13-acetate, an activator of protein kinase C, for 30 min prior to the addition of 1-MA resulted in the inhibition of 1-MA-induced phosphorylation of eIF-4E, translational activation, and germinal vesicle breakdown. 1-methyladenine 164-168 eukaryotic translation initiation factor 4E Homo sapiens 196-202 8111971-11 1993 Another possibility is that eIF-4E is phosphorylated by an unknown kinase that is activated by the cascade of reactions stimulated by 1-MA. 1-methyladenine 134-138 eukaryotic translation initiation factor 4E Homo sapiens 28-34 1587843-7 1992 Phosphopeptide mapping of eIF-4E from transformed cells indicated a single site of phosphorylation at Ser-53, which is the same as that identified previously in eIF-4E from reticulocytes and HeLa cells. Serine 102-105 eukaryotic translation initiation factor 4E Homo sapiens 26-32 1587843-7 1992 Phosphopeptide mapping of eIF-4E from transformed cells indicated a single site of phosphorylation at Ser-53, which is the same as that identified previously in eIF-4E from reticulocytes and HeLa cells. Serine 102-105 eukaryotic translation initiation factor 4E Homo sapiens 161-167 1333409-2 1992 We have found that okadaic acid is much more effective in increasing the phosphorylated fraction of eIF-4E than phorbol 12-myristate 13-acetate in Hep G2 cells. Okadaic Acid 19-31 eukaryotic translation initiation factor 4E Homo sapiens 100-106 1333409-3 1992 Phosphoprotein phosphatase 2A dephosphorylated eIF-4E isolated from both phorbol 12-myristate 13-acetate- or okadaic acid-treated cells, whereas alkaline and acid phosphatase were relatively ineffective. Tetradecanoylphorbol Acetate 73-104 eukaryotic translation initiation factor 4E Homo sapiens 47-53 1333409-3 1992 Phosphoprotein phosphatase 2A dephosphorylated eIF-4E isolated from both phorbol 12-myristate 13-acetate- or okadaic acid-treated cells, whereas alkaline and acid phosphatase were relatively ineffective. Okadaic Acid 109-121 eukaryotic translation initiation factor 4E Homo sapiens 47-53 1333409-4 1992 The ability of purified [35S]eIF-4E isolated from okadaic acid-treated cells to bind mRNA caps was compared to phosphoprotein phosphatase 2A-treated [35S]eIF-4E and found to be no different. Sulfur-35 25-28 eukaryotic translation initiation factor 4E Homo sapiens 29-35 1333409-4 1992 The ability of purified [35S]eIF-4E isolated from okadaic acid-treated cells to bind mRNA caps was compared to phosphoprotein phosphatase 2A-treated [35S]eIF-4E and found to be no different. Okadaic Acid 50-62 eukaryotic translation initiation factor 4E Homo sapiens 29-35 1403850-0 1992 Protein kinase C phosphorylates both serine and threonine residues of the mRNA cap binding protein eIF-4E. Serine 37-43 eukaryotic translation initiation factor 4E Homo sapiens 99-105 1403850-0 1992 Protein kinase C phosphorylates both serine and threonine residues of the mRNA cap binding protein eIF-4E. Threonine 48-57 eukaryotic translation initiation factor 4E Homo sapiens 99-105 1403850-2 1992 While the protein kinases which catalyze this reaction in intact cells have not been completely identified, evidence suggests that protein kinase C phosphorylates serine residues of eIF-4E in intact cells. Serine 163-169 eukaryotic translation initiation factor 4E Homo sapiens 182-188 1403850-3 1992 In this study we demonstrate that protein kinase C also phosphorylates threonine residues of recombinant human eIF-4E in vitro. Threonine 71-80 eukaryotic translation initiation factor 4E Homo sapiens 111-117 1403850-4 1992 Phosphorylation of threonine and serine was observed over a range of eIF-4E and salt concentrations. Threonine 19-28 eukaryotic translation initiation factor 4E Homo sapiens 69-75 1403850-4 1992 Phosphorylation of threonine and serine was observed over a range of eIF-4E and salt concentrations. Serine 33-39 eukaryotic translation initiation factor 4E Homo sapiens 69-75 1403850-7 1992 These findings demonstrate that protein kinase C can phosphorylate both serine and threonine residues of eIF-4E in vitro, but suggest that protein kinase C may not be the primary enzyme that phosphorylates eIF-4E in vivo. Serine 72-78 eukaryotic translation initiation factor 4E Homo sapiens 105-111 1403850-7 1992 These findings demonstrate that protein kinase C can phosphorylate both serine and threonine residues of eIF-4E in vitro, but suggest that protein kinase C may not be the primary enzyme that phosphorylates eIF-4E in vivo. Threonine 83-92 eukaryotic translation initiation factor 4E Homo sapiens 105-111 2207140-6 1990 Furthermore, the relative affinities of mRNA analogs (capped oligonucleotides) for these initiation factors indicate that the cap is the predominant feature recognized for binding, but other features also contribute to the eIF-4E:mRNA interaction. Oligonucleotides 61-77 eukaryotic translation initiation factor 4E Homo sapiens 223-229 2122455-1 1990 Eukaryotic protein synthesis initiation factor 4E (eIF-4E) is a 25-kDa polypeptide that binds to the 7-methylguanosine-containing cap of mRNA and participates in the transfer of mRNA to the 40S ribosomal subunit, a step that is rate-limiting for protein synthesis under most cellular conditions. 7-methylguanosine 101-118 eukaryotic translation initiation factor 4E Homo sapiens 0-49 2122455-1 1990 Eukaryotic protein synthesis initiation factor 4E (eIF-4E) is a 25-kDa polypeptide that binds to the 7-methylguanosine-containing cap of mRNA and participates in the transfer of mRNA to the 40S ribosomal subunit, a step that is rate-limiting for protein synthesis under most cellular conditions. 7-methylguanosine 101-118 eukaryotic translation initiation factor 4E Homo sapiens 51-57 2122455-3 1990 Previous studies have indicated that phosphorylation of eIF-4E at Ser-53 is correlated with an increased rate of protein synthesis in a variety of systems in vivo and is required for eIF-4E to become bound to the 48S initiation complex. Serine 66-69 eukaryotic translation initiation factor 4E Homo sapiens 56-62 2122455-3 1990 Previous studies have indicated that phosphorylation of eIF-4E at Ser-53 is correlated with an increased rate of protein synthesis in a variety of systems in vivo and is required for eIF-4E to become bound to the 48S initiation complex. Serine 66-69 eukaryotic translation initiation factor 4E Homo sapiens 183-189 2122455-7 1990 Cells transfected with the identical vector expressing a variant of eIF-4E, which contains alanine at position 53 and thus cannot be phosphorylated at the major in vivo site, grow normally. Alanine 91-98 eukaryotic translation initiation factor 4E Homo sapiens 68-74 2122455-8 1990 Estimations using the Ala-53 variant or a bacterial chloramphenicol acetyltransferase reporter gene in the same vector indicate that the degree of eIF-4E overexpression is 3- to 9-fold more than the endogenous level. Alanine 22-25 eukaryotic translation initiation factor 4E Homo sapiens 147-153 2355012-1 1990 Significant phosphorylation (up to 1 mol of phosphate/mol of p25 subunit) occurs only when the protein is part of the eIF-4F complex. Phosphates 44-53 eukaryotic translation initiation factor 4E Homo sapiens 118-124 2355012-2 1990 With purified eIF-4E, using the same conditions, up to 0.1 mol of phosphate can be incorporated. Phosphates 66-75 eukaryotic translation initiation factor 4E Homo sapiens 14-20 2386781-0 1990 Phenyl azide substituted and benzophenone-substituted phosphonamides of 7-methylguanosine 5"-triphosphate as photoaffinity probes for protein synthesis initiation factor eIF-4E and a proteolytic fragment containing the cap-binding site. phenylazide 0-12 eukaryotic translation initiation factor 4E Homo sapiens 170-176 2386781-0 1990 Phenyl azide substituted and benzophenone-substituted phosphonamides of 7-methylguanosine 5"-triphosphate as photoaffinity probes for protein synthesis initiation factor eIF-4E and a proteolytic fragment containing the cap-binding site. benzophenone 29-41 eukaryotic translation initiation factor 4E Homo sapiens 170-176 2386781-0 1990 Phenyl azide substituted and benzophenone-substituted phosphonamides of 7-methylguanosine 5"-triphosphate as photoaffinity probes for protein synthesis initiation factor eIF-4E and a proteolytic fragment containing the cap-binding site. phosphonamides 54-68 eukaryotic translation initiation factor 4E Homo sapiens 170-176 2386781-0 1990 Phenyl azide substituted and benzophenone-substituted phosphonamides of 7-methylguanosine 5"-triphosphate as photoaffinity probes for protein synthesis initiation factor eIF-4E and a proteolytic fragment containing the cap-binding site. 7-methylguanosine triphosphate 72-105 eukaryotic translation initiation factor 4E Homo sapiens 170-176 2386781-1 1990 Three photoactive derivatives of the 7-methylguanosine-containing cap of eukaryotic mRNA were used to investigate protein synthesis initiation factor eIF-4E from human erythrocytes and rabbit reticulocytes. 7-methylguanosine 37-54 eukaryotic translation initiation factor 4E Homo sapiens 150-156 2386781-2 1990 Sensitive and specific labeling of eIF-4E was observed with the previously described probe, [gamma-32P]-gamma-[[(4-benzoylphenyl)methyl]amido]-7-methyl-GTP [Blaas et al. [gamma-32p]-gamma-[[(4-benzoylphenyl)methyl]amido]-7-methyl-gtp 92-155 eukaryotic translation initiation factor 4E Homo sapiens 35-41 2386781-9 1990 A third probe, an azidophenylglycine derivative of m7GTP [( 32P]APGM), the monoanhydride of m7GDP with [32P]-N-(4-azidophenyl)-2-(phosphoramido)acetamide, was also synthesized and shown to label eIF-4E specifically. azidophenylglycine 18-36 eukaryotic translation initiation factor 4E Homo sapiens 195-201 2386781-9 1990 A third probe, an azidophenylglycine derivative of m7GTP [( 32P]APGM), the monoanhydride of m7GDP with [32P]-N-(4-azidophenyl)-2-(phosphoramido)acetamide, was also synthesized and shown to label eIF-4E specifically. 7-methylguanosine triphosphate 51-56 eukaryotic translation initiation factor 4E Homo sapiens 195-201 2386781-9 1990 A third probe, an azidophenylglycine derivative of m7GTP [( 32P]APGM), the monoanhydride of m7GDP with [32P]-N-(4-azidophenyl)-2-(phosphoramido)acetamide, was also synthesized and shown to label eIF-4E specifically. ( 32p]apgm 58-68 eukaryotic translation initiation factor 4E Homo sapiens 195-201 2386781-9 1990 A third probe, an azidophenylglycine derivative of m7GTP [( 32P]APGM), the monoanhydride of m7GDP with [32P]-N-(4-azidophenyl)-2-(phosphoramido)acetamide, was also synthesized and shown to label eIF-4E specifically. monoanhydride 75-88 eukaryotic translation initiation factor 4E Homo sapiens 195-201 2386781-9 1990 A third probe, an azidophenylglycine derivative of m7GTP [( 32P]APGM), the monoanhydride of m7GDP with [32P]-N-(4-azidophenyl)-2-(phosphoramido)acetamide, was also synthesized and shown to label eIF-4E specifically. [32p]-n-(4-azidophenyl)-2-(phosphoramido)acetamide 103-153 eukaryotic translation initiation factor 4E Homo sapiens 195-201 2386781-10 1990 Unlike [32P]BPM and [125I]APTM, however, [32P]APGM labeled eIF-4E* approximately 4-fold more readily than intact eIF-4E. Phosphorus-32 42-45 eukaryotic translation initiation factor 4E Homo sapiens 59-65 2386781-11 1990 Tryptic and CNBr cleavage suggested that eIF-4E* consists of a protease-resistant core of eIF-4E that retains the cap-binding site and consists of approximately residues 47-182. cap 114-117 eukaryotic translation initiation factor 4E Homo sapiens 41-47 2386781-11 1990 Tryptic and CNBr cleavage suggested that eIF-4E* consists of a protease-resistant core of eIF-4E that retains the cap-binding site and consists of approximately residues 47-182. cap 114-117 eukaryotic translation initiation factor 4E Homo sapiens 90-96 2334695-1 1990 The binding of N-7-substituted cap analogues to eIF-4E from human erythrocytes is described. 4-(4-fluorophenyl)-2-methyl-6-(5-piperidinopentyloxy)pyrimidine hydrochloride 15-18 eukaryotic translation initiation factor 4E Homo sapiens 48-54 2334695-4 1990 The pH dependence of binding of the cap analogues to eIF-4E indicates that the enolate form of the cap is preferred, as originally postulated by Rhoads et al. enolate 79-86 eukaryotic translation initiation factor 4E Homo sapiens 53-59 2334695-6 1990 Data indicate that there are differences in the mode of binding of alkyl-substituted and aryl-substituted cap analogues to eIF-4E arising from favorable interactions of the phenyl ring with the guanosine moiety. Guanosine 194-203 eukaryotic translation initiation factor 4E Homo sapiens 123-129 2303467-5 1990 eIF-4E phosphorylation was elevated by 1 h following serum activation and reached a peak by 3-5 h. Treatment of resting cells with phorbol ester also simultaneously stimulated eIF-4E phosphorylation and the movement of L32 mRNA into polysomes. Phorbol Esters 131-144 eukaryotic translation initiation factor 4E Homo sapiens 0-6 2105935-1 1990 Site-directed mutagenesis was used to replace the serine residue at the primary phosphorylation site of human eukaryotic initiation factor (eIF) 4E with an alanine residue. Serine 50-56 eukaryotic translation initiation factor 4E Homo sapiens 110-147 2105935-1 1990 Site-directed mutagenesis was used to replace the serine residue at the primary phosphorylation site of human eukaryotic initiation factor (eIF) 4E with an alanine residue. Alanine 156-163 eukaryotic translation initiation factor 4E Homo sapiens 110-147 2105935-8 1990 When translation reaction mixtures were resolved on sucrose density gradients, the 35S-labeled eIF-4ESer was found on the 48 S initiation complex in the presence of guanylyl imidodiphosphate, as reported earlier (Hiremath, L.S., Hiremath, S.T., Rychlik, W., Joshi, S., Domier, L.L., and Rhoads, R.E. Sucrose 52-59 eukaryotic translation initiation factor 4E Homo sapiens 95-104 2105935-8 1990 When translation reaction mixtures were resolved on sucrose density gradients, the 35S-labeled eIF-4ESer was found on the 48 S initiation complex in the presence of guanylyl imidodiphosphate, as reported earlier (Hiremath, L.S., Hiremath, S.T., Rychlik, W., Joshi, S., Domier, L.L., and Rhoads, R.E. Sulfur-35 83-86 eukaryotic translation initiation factor 4E Homo sapiens 95-104 2105935-8 1990 When translation reaction mixtures were resolved on sucrose density gradients, the 35S-labeled eIF-4ESer was found on the 48 S initiation complex in the presence of guanylyl imidodiphosphate, as reported earlier (Hiremath, L.S., Hiremath, S.T., Rychlik, W., Joshi, S., Domier, L.L., and Rhoads, R.E. Guanylyl Imidodiphosphate 165-190 eukaryotic translation initiation factor 4E Homo sapiens 95-104 17631896-1 2007 Structural complexes of the eukaryotic translation initiation factor 4E (eIF4E) with a series of N(7)-alkylated guanosine derivative mRNA cap analogue structures have been characterised. 4-(4-fluorophenyl)-2-methyl-6-(5-piperidinopentyloxy)pyrimidine hydrochloride 97-101 eukaryotic translation initiation factor 4E Homo sapiens 28-71 33971490-1 2021 Mitogen-activated protein kinase (MAPK)-interacting kinases (MNKs) are located at the meeting-point of ERK and p38 MAPK signaling pathways, which can phosphorylate eukaryotic translation initiation factor 4E (eIF4E) at the conserved serine 209 exclusively. Serine 233-239 eukaryotic translation initiation factor 4E Homo sapiens 164-207 33971490-1 2021 Mitogen-activated protein kinase (MAPK)-interacting kinases (MNKs) are located at the meeting-point of ERK and p38 MAPK signaling pathways, which can phosphorylate eukaryotic translation initiation factor 4E (eIF4E) at the conserved serine 209 exclusively. Serine 233-239 eukaryotic translation initiation factor 4E Homo sapiens 209-214 33812053-0 2021 Propofol inhibits tumor angiogenesis through targeting VEGF/VEGFR and mTOR/eIF4E signaling. Propofol 0-8 eukaryotic translation initiation factor 4E Homo sapiens 75-80 33812053-8 2021 Propofol also inhibited VEGF/VEGFR2-and mTOR/eIF4E-mediated signaling pathways in endothelial cells. Propofol 0-8 eukaryotic translation initiation factor 4E Homo sapiens 45-50 28766096-4 2018 RESULTS: Increased phosphorylation levels of ERK, Mnk1, and eIF4E were observed in ovarian cancer cell exposed to chemotherapeutic agents, and paclitaxel-resistant SK-OV-3-r cells, and is a common response of ovarian cancer patients undergoing chemotherapy. Paclitaxel 143-153 eukaryotic translation initiation factor 4E Homo sapiens 60-65 28766096-5 2018 MEK inhibitor U0126 inhibits basal and chemodrug-induced phosphorylation of ERK as well as Mnk1 and eIF4E, suggesting that Mnk1/eIF4E are the downstream signaling of ERK pathway and chemotherapy agents activate ERK/MNK/eIF4E in a MEK-dependent manner. U 0126 14-19 eukaryotic translation initiation factor 4E Homo sapiens 100-105 28766096-5 2018 MEK inhibitor U0126 inhibits basal and chemodrug-induced phosphorylation of ERK as well as Mnk1 and eIF4E, suggesting that Mnk1/eIF4E are the downstream signaling of ERK pathway and chemotherapy agents activate ERK/MNK/eIF4E in a MEK-dependent manner. U 0126 14-19 eukaryotic translation initiation factor 4E Homo sapiens 128-133 28766096-5 2018 MEK inhibitor U0126 inhibits basal and chemodrug-induced phosphorylation of ERK as well as Mnk1 and eIF4E, suggesting that Mnk1/eIF4E are the downstream signaling of ERK pathway and chemotherapy agents activate ERK/MNK/eIF4E in a MEK-dependent manner. U 0126 14-19 eukaryotic translation initiation factor 4E Homo sapiens 128-133 17631896-1 2007 Structural complexes of the eukaryotic translation initiation factor 4E (eIF4E) with a series of N(7)-alkylated guanosine derivative mRNA cap analogue structures have been characterised. 4-(4-fluorophenyl)-2-methyl-6-(5-piperidinopentyloxy)pyrimidine hydrochloride 97-101 eukaryotic translation initiation factor 4E Homo sapiens 73-78 17631896-1 2007 Structural complexes of the eukaryotic translation initiation factor 4E (eIF4E) with a series of N(7)-alkylated guanosine derivative mRNA cap analogue structures have been characterised. Guanosine 112-121 eukaryotic translation initiation factor 4E Homo sapiens 28-71 17631896-1 2007 Structural complexes of the eukaryotic translation initiation factor 4E (eIF4E) with a series of N(7)-alkylated guanosine derivative mRNA cap analogue structures have been characterised. Guanosine 112-121 eukaryotic translation initiation factor 4E Homo sapiens 73-78 17631896-2 2007 Mass spectrometry was used to determine apparent gas-phase equilibrium dissociation constants (K(d)) values of 0.15 microM, 13.6 microM, and 55.7 microM for eIF4E with 7-methyl-GTP (m(7)GTP), GTP, and GMP, respectively. 7-methylguanosine triphosphate 168-180 eukaryotic translation initiation factor 4E Homo sapiens 157-162 17631896-2 2007 Mass spectrometry was used to determine apparent gas-phase equilibrium dissociation constants (K(d)) values of 0.15 microM, 13.6 microM, and 55.7 microM for eIF4E with 7-methyl-GTP (m(7)GTP), GTP, and GMP, respectively. (7)gtp 183-189 eukaryotic translation initiation factor 4E Homo sapiens 157-162 17631896-2 2007 Mass spectrometry was used to determine apparent gas-phase equilibrium dissociation constants (K(d)) values of 0.15 microM, 13.6 microM, and 55.7 microM for eIF4E with 7-methyl-GTP (m(7)GTP), GTP, and GMP, respectively. Guanosine Triphosphate 177-180 eukaryotic translation initiation factor 4E Homo sapiens 157-162 17631896-3 2007 For tight and specific binding to the eIF4E mononucleotide binding site, there seems to be a clear requirement for guanosine derivatives to possess both the delocalised positive charge of the N(7)-methylated guanine system and at least one phosphate group. mononucleotide 44-58 eukaryotic translation initiation factor 4E Homo sapiens 38-43 17631896-3 2007 For tight and specific binding to the eIF4E mononucleotide binding site, there seems to be a clear requirement for guanosine derivatives to possess both the delocalised positive charge of the N(7)-methylated guanine system and at least one phosphate group. Guanosine 115-124 eukaryotic translation initiation factor 4E Homo sapiens 38-43 17631896-3 2007 For tight and specific binding to the eIF4E mononucleotide binding site, there seems to be a clear requirement for guanosine derivatives to possess both the delocalised positive charge of the N(7)-methylated guanine system and at least one phosphate group. 4-(4-fluorophenyl)-2-methyl-6-(5-piperidinopentyloxy)pyrimidine hydrochloride 192-196 eukaryotic translation initiation factor 4E Homo sapiens 38-43 17631896-3 2007 For tight and specific binding to the eIF4E mononucleotide binding site, there seems to be a clear requirement for guanosine derivatives to possess both the delocalised positive charge of the N(7)-methylated guanine system and at least one phosphate group. Guanine 208-215 eukaryotic translation initiation factor 4E Homo sapiens 38-43 17631896-3 2007 For tight and specific binding to the eIF4E mononucleotide binding site, there seems to be a clear requirement for guanosine derivatives to possess both the delocalised positive charge of the N(7)-methylated guanine system and at least one phosphate group. Phosphates 240-249 eukaryotic translation initiation factor 4E Homo sapiens 38-43 17631896-4 2007 We show that the N(7)-benzylated monophosphates 7-benzyl-GMP (Bn(7)GMP) and 7-(p-fluorobenzyl)-GMP (FBn(7)GMP) bind eIF4E substantially more tightly than non-N(7)-alkylated guanosine derivatives (K(d) values of 7.0 microM and 2.0 microM, respectively). n(7)-benzylated monophosphates 17-47 eukaryotic translation initiation factor 4E Homo sapiens 116-121 17631896-4 2007 We show that the N(7)-benzylated monophosphates 7-benzyl-GMP (Bn(7)GMP) and 7-(p-fluorobenzyl)-GMP (FBn(7)GMP) bind eIF4E substantially more tightly than non-N(7)-alkylated guanosine derivatives (K(d) values of 7.0 microM and 2.0 microM, respectively). -n(7)-alkylated guanosine 157-182 eukaryotic translation initiation factor 4E Homo sapiens 116-121 17631896-5 2007 The eIF4E complex crystal structures with Bn(7)GMP and FBn(7)GMP show that additional favourable contacts of the benzyl groups with eIF4E contribute binding energy that compensates for loss of the beta and gamma-phosphates. (2-benzoylethyl)trimethylammonium 197-201 eukaryotic translation initiation factor 4E Homo sapiens 4-9 17631896-5 2007 The eIF4E complex crystal structures with Bn(7)GMP and FBn(7)GMP show that additional favourable contacts of the benzyl groups with eIF4E contribute binding energy that compensates for loss of the beta and gamma-phosphates. (2-benzoylethyl)trimethylammonium 197-201 eukaryotic translation initiation factor 4E Homo sapiens 132-137 17631896-5 2007 The eIF4E complex crystal structures with Bn(7)GMP and FBn(7)GMP show that additional favourable contacts of the benzyl groups with eIF4E contribute binding energy that compensates for loss of the beta and gamma-phosphates. gamma-phosphates 206-222 eukaryotic translation initiation factor 4E Homo sapiens 4-9 17631896-5 2007 The eIF4E complex crystal structures with Bn(7)GMP and FBn(7)GMP show that additional favourable contacts of the benzyl groups with eIF4E contribute binding energy that compensates for loss of the beta and gamma-phosphates. gamma-phosphates 206-222 eukaryotic translation initiation factor 4E Homo sapiens 132-137 17631896-6 2007 The N(7)-benzyl groups pack into a hydrophobic pocket behind the two tryptophan side-chains that are involved in the cation-pi stacking interaction between the cap and the eIF4E mononucleotide binding site. Tryptophan 69-79 eukaryotic translation initiation factor 4E Homo sapiens 172-177 17631896-6 2007 The N(7)-benzyl groups pack into a hydrophobic pocket behind the two tryptophan side-chains that are involved in the cation-pi stacking interaction between the cap and the eIF4E mononucleotide binding site. mononucleotide 178-192 eukaryotic translation initiation factor 4E Homo sapiens 172-177 34965440-5 2021 Thus, KSHV regulation of the oxygen-sensing machinery allows virally infected cells to initiate translation via the mTOR-dependent eIF4E1 or the HIF2alpha-dependent, mTOR-independent, eIF4E2. Oxygen 29-35 eukaryotic translation initiation factor 4E Homo sapiens 131-137 34944712-9 2021 GSEA indicated that individuals with the increased levels of miR-154 had upregulated AKT-MTOR, CYCLIN D1, KRAS, EIF4E, RB, ATM, and EMT gene sets. gsea 0-4 eukaryotic translation initiation factor 4E Homo sapiens 112-117 34944630-8 2021 The metabolic shift by steviol was mediated through the repression of the phosphorylation of mTOR and translation initiation proteins (4E-BP1, eIF4e, eIF4B, and eIF4G). steviol 23-30 eukaryotic translation initiation factor 4E Homo sapiens 143-148 34214017-0 2021 Cryptotanshinone enhances the efficacy of Bcr-Abl tyrosine kinase inhibitors via inhibiting STAT3 and eIF4E signalling pathways in chronic myeloid leukaemia. cryptotanshinone 0-16 eukaryotic translation initiation factor 4E Homo sapiens 102-107 34214017-9 2021 Furthermore, CPT and imatinib increased the apoptotic rates and markedly decreased the phosphorylation levels of STAT3 and eIF4E. Imatinib Mesylate 21-29 eukaryotic translation initiation factor 4E Homo sapiens 123-128 34917504-6 2021 And the combination of borneol and radiation exposure significantly decreased the expression levels of HIF-1alpha, mTORC1 and eIF4E. isoborneol 23-30 eukaryotic translation initiation factor 4E Homo sapiens 126-131 34841476-5 2021 Exportin-1 is known to regulate nuclear to cytoplasmic trafficking of 5"-7-methylguanosine (m7G)-modified microRNAs and mRNAs that interact with its cargo protein EIF4E. 5"-7-methylguanosine 70-90 eukaryotic translation initiation factor 4E Homo sapiens 163-168 34869595-7 2021 Subsequently, the upstream signal of autophagy was analyzed and it was found that Ad-VT reduced the resistance of cells to doxorubicin by reducing the level of mTOR, and then the analysis of the upstream and downstream proteins of mTOR found that Ad-VT increased the sensitivity of MCF-7/ADR cells to adriamycin by activating AMPK-mTOR-eIF4F signaling axis. Doxorubicin 301-311 eukaryotic translation initiation factor 4E Homo sapiens 336-341 34812269-0 2021 Inhibition of miR-15a-5p Promotes the Chemoresistance to Pirarubicin in Hepatocellular Carcinoma via Targeting eIF4E. mir-15a-5p 14-24 eukaryotic translation initiation factor 4E Homo sapiens 111-116 34812269-0 2021 Inhibition of miR-15a-5p Promotes the Chemoresistance to Pirarubicin in Hepatocellular Carcinoma via Targeting eIF4E. pirarubicin 57-68 eukaryotic translation initiation factor 4E Homo sapiens 111-116 34812269-3 2021 Our investigation is aimed at testifying the influence of microRNA-15a-5p (miR-15a-5p)/eukaryotic translation initiation factor 4E (eIF4E) on hepatocellular carcinoma resistance to pirarubicin (THP). pirarubicin 181-192 eukaryotic translation initiation factor 4E Homo sapiens 87-130 34812269-3 2021 Our investigation is aimed at testifying the influence of microRNA-15a-5p (miR-15a-5p)/eukaryotic translation initiation factor 4E (eIF4E) on hepatocellular carcinoma resistance to pirarubicin (THP). pirarubicin 181-192 eukaryotic translation initiation factor 4E Homo sapiens 132-137 34812269-3 2021 Our investigation is aimed at testifying the influence of microRNA-15a-5p (miR-15a-5p)/eukaryotic translation initiation factor 4E (eIF4E) on hepatocellular carcinoma resistance to pirarubicin (THP). pirarubicin 194-197 eukaryotic translation initiation factor 4E Homo sapiens 87-130 34812269-3 2021 Our investigation is aimed at testifying the influence of microRNA-15a-5p (miR-15a-5p)/eukaryotic translation initiation factor 4E (eIF4E) on hepatocellular carcinoma resistance to pirarubicin (THP). pirarubicin 194-197 eukaryotic translation initiation factor 4E Homo sapiens 132-137 34812269-6 2021 Moreover, eIF4E was verified as a direct target of miR-15a-5p by binding its 3"-UTR, which was confirmed by luciferase report experiment. mir-15a-5p 51-61 eukaryotic translation initiation factor 4E Homo sapiens 10-15 34812269-8 2021 Mechanically, eIF4E was proven as a specific downstream of miR-15a-5p and mediated the effects of miR-15a-5p on cell viability and apoptosis of HepG2 cells treated with THP. mir-15a-5p 59-69 eukaryotic translation initiation factor 4E Homo sapiens 14-19 34812269-8 2021 Mechanically, eIF4E was proven as a specific downstream of miR-15a-5p and mediated the effects of miR-15a-5p on cell viability and apoptosis of HepG2 cells treated with THP. mir-15a-5p 98-108 eukaryotic translation initiation factor 4E Homo sapiens 14-19 34812269-8 2021 Mechanically, eIF4E was proven as a specific downstream of miR-15a-5p and mediated the effects of miR-15a-5p on cell viability and apoptosis of HepG2 cells treated with THP. pirarubicin 169-172 eukaryotic translation initiation factor 4E Homo sapiens 14-19 34812269-9 2021 These findings supported that miR-15a-5p facilitated THP resistance of hepatocellular carcinoma cells by modulating eIF4E, thus providing an experimental basis that miR-15a-5p might act as a novel diagnostic target in hepatocellular carcinoma resistance to THP. pirarubicin 53-56 eukaryotic translation initiation factor 4E Homo sapiens 116-121 34812269-9 2021 These findings supported that miR-15a-5p facilitated THP resistance of hepatocellular carcinoma cells by modulating eIF4E, thus providing an experimental basis that miR-15a-5p might act as a novel diagnostic target in hepatocellular carcinoma resistance to THP. pirarubicin 257-260 eukaryotic translation initiation factor 4E Homo sapiens 116-121 34255842-3 2021 First, we use capCLIP to identify the eIF4E cap-omes in human cells with/without the mTORC1 (mechanistic target of rapamycin, complex 1) inhibitor rapamycin, there being an emerging consensus that rapamycin inhibits translation of TOP (terminal oligopyrimidine) mRNAs by displacing eIF4E from their caps. Sirolimus 197-206 eukaryotic translation initiation factor 4E Homo sapiens 282-287 34255842-3 2021 First, we use capCLIP to identify the eIF4E cap-omes in human cells with/without the mTORC1 (mechanistic target of rapamycin, complex 1) inhibitor rapamycin, there being an emerging consensus that rapamycin inhibits translation of TOP (terminal oligopyrimidine) mRNAs by displacing eIF4E from their caps. oligopyrimidine 245-260 eukaryotic translation initiation factor 4E Homo sapiens 38-43 34255842-3 2021 First, we use capCLIP to identify the eIF4E cap-omes in human cells with/without the mTORC1 (mechanistic target of rapamycin, complex 1) inhibitor rapamycin, there being an emerging consensus that rapamycin inhibits translation of TOP (terminal oligopyrimidine) mRNAs by displacing eIF4E from their caps. oligopyrimidine 245-260 eukaryotic translation initiation factor 4E Homo sapiens 282-287 34565342-12 2021 Mechanistically, the co-treatment of JQ1 or OTX-015 with temsirolimus significantly downregulated the expression levels of phosphorylated 4EBP1/p70-S6K/eIF4E (mTOR components) and BRD4 (BET protein)/MYCN proteins. temsirolimus 57-69 eukaryotic translation initiation factor 4E Homo sapiens 152-157 34344911-4 2021 Using this strategy we obtained AuNPs decorated with 7-methylguanosine mRNA 5" cap analogs and showed that they bind cap-specific protein, eIF4E. 7-methylguanosine 53-70 eukaryotic translation initiation factor 4E Homo sapiens 139-144 34565316-7 2021 Based on the VPg, eIF4E1, and eIF4E2 models and data on the natural polymorphism of VPg amino acid sequence, we suggested that the key role in the recognition of potato cap-binding factors belongs to the R104 residue of VPg. vpg 220-223 eukaryotic translation initiation factor 4E Homo sapiens 18-24 34344911-7 2021 Tris-Lipo-diluted cap-AuNPs conjugates interacted with eIF4E in fully specific manner, enabling design of functional tools. Tromethamine 0-4 eukaryotic translation initiation factor 4E Homo sapiens 55-60 34122630-13 2021 In addition, eukaryotic translation initiation factor 4E (eIF4E) was the target gene of miR-768-3p in breast cancer. mir-768-3p 88-98 eukaryotic translation initiation factor 4E Homo sapiens 13-56 34122630-13 2021 In addition, eukaryotic translation initiation factor 4E (eIF4E) was the target gene of miR-768-3p in breast cancer. mir-768-3p 88-98 eukaryotic translation initiation factor 4E Homo sapiens 58-63 34122630-14 2021 All experiments confirmed that miR-768-3p, a tumor suppressor, inhibited the viability, migration and invasion of breast cancer cells through eIF4E. mir-768-3p 31-41 eukaryotic translation initiation factor 4E Homo sapiens 142-147 34277430-8 2021 Furthermore, we found that ouabain inhibited protein synthesis through regulation of the eukaryotic initiation factor 4E (eIF4E) and eIF4E binding protein 1 (4EBP1). Ouabain 27-34 eukaryotic translation initiation factor 4E Homo sapiens 89-120 34277430-8 2021 Furthermore, we found that ouabain inhibited protein synthesis through regulation of the eukaryotic initiation factor 4E (eIF4E) and eIF4E binding protein 1 (4EBP1). Ouabain 27-34 eukaryotic translation initiation factor 4E Homo sapiens 122-127 34188131-6 2021 Caf20 binding to eIF4E is entirely dependent on a canonical motif shared with other 4E-BPs. caf20 0-5 eukaryotic translation initiation factor 4E Homo sapiens 17-22 35628412-5 2022 Although mammalian NaN3-induced SGs are very small, they still contain the canonical SG proteins Caprin 1, eIF4A, eIF4E, eIF4G and eIF3B. Sodium Azide 19-23 eukaryotic translation initiation factor 4E Homo sapiens 114-119 35136028-0 2022 Exosome-mediated miR-7-5p delivery enhances the anticancer effect of Everolimus via blocking MNK/eIF4E axis in non-small cell lung cancer. Everolimus 69-79 eukaryotic translation initiation factor 4E Homo sapiens 97-102 35339025-1 2022 OBJECTIVES: Ribavirin inhibits eukaryotic translation initiation factor 4E (eIF4E), thereby decreasing cap-dependent translation. Ribavirin 12-21 eukaryotic translation initiation factor 4E Homo sapiens 31-74 35339025-1 2022 OBJECTIVES: Ribavirin inhibits eukaryotic translation initiation factor 4E (eIF4E), thereby decreasing cap-dependent translation. Ribavirin 12-21 eukaryotic translation initiation factor 4E Homo sapiens 76-81 35339025-3 2022 METHODS: In the pharmacodynamic study, ribavirin (400 mg BID for 14 days) was evaluated in 8 patients with HPV-positive localized oropharyngeal carcinoma with phosphorylated-eIF4E (p-eIF4E) >= 30%. Ribavirin 39-48 eukaryotic translation initiation factor 4E Homo sapiens 174-179 35339025-3 2022 METHODS: In the pharmacodynamic study, ribavirin (400 mg BID for 14 days) was evaluated in 8 patients with HPV-positive localized oropharyngeal carcinoma with phosphorylated-eIF4E (p-eIF4E) >= 30%. Ribavirin 39-48 eukaryotic translation initiation factor 4E Homo sapiens 183-188 35339025-8 2022 RESULTS: Six patients were evaluable in the pharmacodynamic study: 4 had decreased p-eIF4E after 14 days of ribavirin. Ribavirin 108-117 eukaryotic translation initiation factor 4E Homo sapiens 85-90 35339025-14 2022 CONCLUSION: Oral ribavirin decreases p-eIF4E levels and is well-tolerated. Ribavirin 17-26 eukaryotic translation initiation factor 4E Homo sapiens 39-44 35574389-6 2022 We found that peptide cyclization enhances Pep8 affinity for eIF4E, induction of p53 and tumor cell growth suppression. pep8 43-47 eukaryotic translation initiation factor 4E Homo sapiens 61-66 35349401-11 2022 Also, it is demonstrated that Vpg interacts with eIF4E and that rapamycin treatment partially diminishes the viral protein synthesis. Sirolimus 64-73 eukaryotic translation initiation factor 4E Homo sapiens 49-54 35267559-7 2022 c-MYC overexpression can induce the expression of eIF4E that favours the translation of structured mRNA to produce oncogenic factors that promote cell proliferation and confer tamoxifen resistance. Tamoxifen 176-185 eukaryotic translation initiation factor 4E Homo sapiens 50-55 35104872-6 2022 PKs found in both subclasses of PTE assume a specific conformation with a hyperreactive guanylate (G*) in SHAPE structure probing, previously found critical for binding eIF4E. guanosine 5'-monophosphorothioate 88-97 eukaryotic translation initiation factor 4E Homo sapiens 169-174 35136028-2 2022 Activated mitogen-activated protein kinase interacting kinases/eukaryotic translation initiation factor 4E (MNK/eIF4E) axis plays a crucial role in resistance to Everolimus in non-small cell lung cancer (NSCLC). Everolimus 162-172 eukaryotic translation initiation factor 4E Homo sapiens 112-117 35136028-13 2022 The combination of miR-7-5p with Everolimus induced apoptosis to exhibit a synergistic anticancer therapeutic efficacy through dual abrogation of MNK/eIF4E and mTOR in NSCLC. Everolimus 33-43 eukaryotic translation initiation factor 4E Homo sapiens 150-155 35136028-15 2022 Either endogenous miR-7-5p or exo-miR-7-5p combined with Everolimus can enhance the anticancer efficacy by targeting MNK/eIF4E axis and mTOR. exo-mir-7-5p 30-42 eukaryotic translation initiation factor 4E Homo sapiens 121-126 35136028-15 2022 Either endogenous miR-7-5p or exo-miR-7-5p combined with Everolimus can enhance the anticancer efficacy by targeting MNK/eIF4E axis and mTOR. Everolimus 57-67 eukaryotic translation initiation factor 4E Homo sapiens 121-126 2605173-1 1989 The binding of analogues of the 7-methylguanosine-containing cap, m7GTP and m7GpppG, to eIF-4E from human erythrocytes as a function of pH, temperature, and ionic strength is described. 7-methylguanosine 32-49 eukaryotic translation initiation factor 4E Homo sapiens 88-94 34949712-5 2022 Down-regulation of RHA or the anomalous shape of the PBS segment abrogated hypermethylated caps and derepressed eIF4E binding for virion protein translation during global down-regulation of host translation. pbs 53-56 eukaryotic translation initiation factor 4E Homo sapiens 112-117 2605173-1 1989 The binding of analogues of the 7-methylguanosine-containing cap, m7GTP and m7GpppG, to eIF-4E from human erythrocytes as a function of pH, temperature, and ionic strength is described. 7-methylguanosine triphosphate 66-71 eukaryotic translation initiation factor 4E Homo sapiens 88-94 2605173-1 1989 The binding of analogues of the 7-methylguanosine-containing cap, m7GTP and m7GpppG, to eIF-4E from human erythrocytes as a function of pH, temperature, and ionic strength is described. 7-methyl-diguanosine triphosphate 76-83 eukaryotic translation initiation factor 4E Homo sapiens 88-94 2605173-2 1989 From the pH-dependent binding of m7GTP and m7GpppG to eIF-4E, a new model describing the nature of the cap.eIF-4E interaction is proposed. 7-methylguanosine triphosphate 33-38 eukaryotic translation initiation factor 4E Homo sapiens 54-60 2605173-2 1989 From the pH-dependent binding of m7GTP and m7GpppG to eIF-4E, a new model describing the nature of the cap.eIF-4E interaction is proposed. 7-methylguanosine triphosphate 33-38 eukaryotic translation initiation factor 4E Homo sapiens 107-113 3038908-6 1987 In addition, we found that the 24-kDa CBP from mitotic cells was metabolically labeled with 32P to a lesser extent than the protein purified from interphase cells. Phosphorus-32 92-95 eukaryotic translation initiation factor 4E Homo sapiens 38-41 2910847-5 1989 When translation reactions were resolved on sucrose density gradients, the 35S-labeled eIF-4E sedimented predominantly at 3-4 S. However, in the presence of edeine or guanylyl imidodiphosphate, both of which cause accumulation of 48 S initiation complexes, eIF-4E was detected in the 48 S region. Sucrose 44-51 eukaryotic translation initiation factor 4E Homo sapiens 87-93 2910847-5 1989 When translation reactions were resolved on sucrose density gradients, the 35S-labeled eIF-4E sedimented predominantly at 3-4 S. However, in the presence of edeine or guanylyl imidodiphosphate, both of which cause accumulation of 48 S initiation complexes, eIF-4E was detected in the 48 S region. Sulfur-35 75-78 eukaryotic translation initiation factor 4E Homo sapiens 87-93 2910847-5 1989 When translation reactions were resolved on sucrose density gradients, the 35S-labeled eIF-4E sedimented predominantly at 3-4 S. However, in the presence of edeine or guanylyl imidodiphosphate, both of which cause accumulation of 48 S initiation complexes, eIF-4E was detected in the 48 S region. Sulfur-35 75-78 eukaryotic translation initiation factor 4E Homo sapiens 257-263 2910847-5 1989 When translation reactions were resolved on sucrose density gradients, the 35S-labeled eIF-4E sedimented predominantly at 3-4 S. However, in the presence of edeine or guanylyl imidodiphosphate, both of which cause accumulation of 48 S initiation complexes, eIF-4E was detected in the 48 S region. Edeine 157-163 eukaryotic translation initiation factor 4E Homo sapiens 87-93 2910847-5 1989 When translation reactions were resolved on sucrose density gradients, the 35S-labeled eIF-4E sedimented predominantly at 3-4 S. However, in the presence of edeine or guanylyl imidodiphosphate, both of which cause accumulation of 48 S initiation complexes, eIF-4E was detected in the 48 S region. Edeine 157-163 eukaryotic translation initiation factor 4E Homo sapiens 257-263 2910847-5 1989 When translation reactions were resolved on sucrose density gradients, the 35S-labeled eIF-4E sedimented predominantly at 3-4 S. However, in the presence of edeine or guanylyl imidodiphosphate, both of which cause accumulation of 48 S initiation complexes, eIF-4E was detected in the 48 S region. Guanylyl Imidodiphosphate 167-192 eukaryotic translation initiation factor 4E Homo sapiens 87-93 2910847-5 1989 When translation reactions were resolved on sucrose density gradients, the 35S-labeled eIF-4E sedimented predominantly at 3-4 S. However, in the presence of edeine or guanylyl imidodiphosphate, both of which cause accumulation of 48 S initiation complexes, eIF-4E was detected in the 48 S region. Guanylyl Imidodiphosphate 167-192 eukaryotic translation initiation factor 4E Homo sapiens 257-263 3941087-2 1986 The messenger RNA cap-binding protein (CBP) was isolated from human erythrocyte, rabbit erythrocyte, and rabbit reticulocyte lysate by affinity chromatography on 7-methylguanosine 5"-triphosphate-Sepharose. 7-methylguanosine triphosphate 162-195 eukaryotic translation initiation factor 4E Homo sapiens 18-37 3112145-1 1987 Eukaryotic protein synthesis initiation factor 4E (eIF-4E) was labeled in situ with [32P]orthophosphate in cultured HeLa cells and rabbit reticulocytes and purified by affinity chromatography. Phosphate-32P 84-103 eukaryotic translation initiation factor 4E Homo sapiens 0-49 3112145-1 1987 Eukaryotic protein synthesis initiation factor 4E (eIF-4E) was labeled in situ with [32P]orthophosphate in cultured HeLa cells and rabbit reticulocytes and purified by affinity chromatography. Phosphate-32P 84-103 eukaryotic translation initiation factor 4E Homo sapiens 51-57 3112145-3 1987 After treatment of the protein with citraconic anhydride to block epsilon-amino groups of lysyl residues, tryptic digestion yielded a labeled peptide whose composition was consistent with the structure Trp-Ala-Leu-Trp-Phe-Phe-Lys-Asn-Asp-Lys-Ser(P)-Lys-Thr-Trp-Gln-Ala-Asn-L eu-Arg, one of the arginyl peptides predicted from the human eIF-4E cDNA sequence. citraconic anhydride 36-56 eukaryotic translation initiation factor 4E Homo sapiens 336-342 3112145-3 1987 After treatment of the protein with citraconic anhydride to block epsilon-amino groups of lysyl residues, tryptic digestion yielded a labeled peptide whose composition was consistent with the structure Trp-Ala-Leu-Trp-Phe-Phe-Lys-Asn-Asp-Lys-Ser(P)-Lys-Thr-Trp-Gln-Ala-Asn-L eu-Arg, one of the arginyl peptides predicted from the human eIF-4E cDNA sequence. Tryptophan 214-217 eukaryotic translation initiation factor 4E Homo sapiens 336-342 3112145-4 1987 The only serine in this peptide is located at position 53 of eIF-4E. Serine 9-15 eukaryotic translation initiation factor 4E Homo sapiens 61-67 3112145-5 1987 Thus, it is concluded that eIF-4E contains a single site of phosphorylation for an endogenous protein kinase, which is Ser-53 in the human eIF-4E sequence. Serine 119-122 eukaryotic translation initiation factor 4E Homo sapiens 27-33 3112145-5 1987 Thus, it is concluded that eIF-4E contains a single site of phosphorylation for an endogenous protein kinase, which is Ser-53 in the human eIF-4E sequence. Serine 119-122 eukaryotic translation initiation factor 4E Homo sapiens 139-145 3793730-2 1987 Initiation factor eIF-4F, a multiprotein cap binding protein complex, was purified from HeLa cells by m7G affinity chromatography and independently by phosphocellulose column chromatography. phosphocellulose 151-167 eukaryotic translation initiation factor 4E Homo sapiens 18-24 3793730-5 1987 Two-dimensional isoelectric focusing/sodium dodecyl sulfate-polyacrylamide gel electrophoresis of the eIF-4F samples shows that p28 comprises two isoelectric variants, one of which labels with phosphate and disappears when samples are treated with alkaline phosphatase. Phosphates 193-202 eukaryotic translation initiation factor 4E Homo sapiens 102-108 3793730-8 1987 eIF-4F fractionated by phosphocellulose chromatography separates into forms containing either phosphorylated or unphosphorylated p28. phosphocellulose 23-39 eukaryotic translation initiation factor 4E Homo sapiens 0-6 3941087-2 1986 The messenger RNA cap-binding protein (CBP) was isolated from human erythrocyte, rabbit erythrocyte, and rabbit reticulocyte lysate by affinity chromatography on 7-methylguanosine 5"-triphosphate-Sepharose. 7-methylguanosine triphosphate 162-195 eukaryotic translation initiation factor 4E Homo sapiens 39-42 3941087-2 1986 The messenger RNA cap-binding protein (CBP) was isolated from human erythrocyte, rabbit erythrocyte, and rabbit reticulocyte lysate by affinity chromatography on 7-methylguanosine 5"-triphosphate-Sepharose. Sepharose 196-205 eukaryotic translation initiation factor 4E Homo sapiens 18-37 3941087-2 1986 The messenger RNA cap-binding protein (CBP) was isolated from human erythrocyte, rabbit erythrocyte, and rabbit reticulocyte lysate by affinity chromatography on 7-methylguanosine 5"-triphosphate-Sepharose. Sepharose 196-205 eukaryotic translation initiation factor 4E Homo sapiens 39-42 3941087-12 1986 Species of CBP with faster or slower electrophoretic mobilities could be generated by treatment of the protein either with O2 in the presence of a catalyst or with dithiothreitol. Oxygen 123-125 eukaryotic translation initiation factor 4E Homo sapiens 11-14 3941087-12 1986 Species of CBP with faster or slower electrophoretic mobilities could be generated by treatment of the protein either with O2 in the presence of a catalyst or with dithiothreitol. Dithiothreitol 164-178 eukaryotic translation initiation factor 4E Homo sapiens 11-14 3910088-1 1985 A 24 000-dalton protein [yeast eukaryotic initiation factor 4E (eIF-4E)] was purified from yeast Saccharomyces cerevisiae postribosomal supernatant by m7GDP-agarose affinity chromatography. Sepharose 157-164 eukaryotic translation initiation factor 4E Homo sapiens 64-70 3910088-2 1985 The protein behaves very similarly to mammalian protein synthesis initiation factor eIF-4E with respect to binding to and elution from m7GDP-agarose columns and cross-linking to oxidized reovirus mRNA cap structures. Sepharose 141-148 eukaryotic translation initiation factor 4E Homo sapiens 84-90 6088805-4 1984 eIF3 activity, when determined in the presence of purified CBP complex, is present in sucrose gradients of factors from both infected and uninfected cells. Sucrose 86-93 eukaryotic translation initiation factor 4E Homo sapiens 59-62 3891747-1 1985 The 24-kilodalton messenger RNA cap-binding protein (CBP) was purified from the rabbit reticulocyte postribosomal supernatant fraction using an affinity resin consisting of the p-aminophenyl gamma-ester of m7GTP coupled to Sepharose. p-aminophenyl gamma-ester 177-202 eukaryotic translation initiation factor 4E Homo sapiens 32-51 3891747-1 1985 The 24-kilodalton messenger RNA cap-binding protein (CBP) was purified from the rabbit reticulocyte postribosomal supernatant fraction using an affinity resin consisting of the p-aminophenyl gamma-ester of m7GTP coupled to Sepharose. p-aminophenyl gamma-ester 177-202 eukaryotic translation initiation factor 4E Homo sapiens 53-56 3891747-1 1985 The 24-kilodalton messenger RNA cap-binding protein (CBP) was purified from the rabbit reticulocyte postribosomal supernatant fraction using an affinity resin consisting of the p-aminophenyl gamma-ester of m7GTP coupled to Sepharose. 7-methylguanosine triphosphate 206-211 eukaryotic translation initiation factor 4E Homo sapiens 32-51 3891747-1 1985 The 24-kilodalton messenger RNA cap-binding protein (CBP) was purified from the rabbit reticulocyte postribosomal supernatant fraction using an affinity resin consisting of the p-aminophenyl gamma-ester of m7GTP coupled to Sepharose. 7-methylguanosine triphosphate 206-211 eukaryotic translation initiation factor 4E Homo sapiens 53-56 3891747-1 1985 The 24-kilodalton messenger RNA cap-binding protein (CBP) was purified from the rabbit reticulocyte postribosomal supernatant fraction using an affinity resin consisting of the p-aminophenyl gamma-ester of m7GTP coupled to Sepharose. Sepharose 223-232 eukaryotic translation initiation factor 4E Homo sapiens 32-51 3891747-1 1985 The 24-kilodalton messenger RNA cap-binding protein (CBP) was purified from the rabbit reticulocyte postribosomal supernatant fraction using an affinity resin consisting of the p-aminophenyl gamma-ester of m7GTP coupled to Sepharose. Sepharose 223-232 eukaryotic translation initiation factor 4E Homo sapiens 53-56 3891747-5 1985 During a conventional (nonaffinity) purification of CBP from a high salt extract of the ribosomal pellet, immunological reactivity paralleled the ability to reverse cap analogue inhibition of translation, indicating that the 24-kilodalton polypeptide present in the postribosomal supernatant fraction is immunologically cross-reactive with the CBP purified from ribosomes. Salts 68-72 eukaryotic translation initiation factor 4E Homo sapiens 52-55 3891747-6 1985 Fractionation of whole reticulocyte lysate by sucrose gradient sedimentation followed by immunoblotting revealed that CBP was present in the supernatant fraction and the region of the gradient corresponding to ribosomal subunits but not in mono- or polysomes. Sucrose 46-53 eukaryotic translation initiation factor 4E Homo sapiens 118-121 3891747-7 1985 The CBP to ribosome ratio was found to be approximately 0.02, assuming that the m7GTP-Sepharose retains all of the protein. 7-methylguanosine triphosphate 80-85 eukaryotic translation initiation factor 4E Homo sapiens 4-7 3891747-7 1985 The CBP to ribosome ratio was found to be approximately 0.02, assuming that the m7GTP-Sepharose retains all of the protein. Sepharose 86-95 eukaryotic translation initiation factor 4E Homo sapiens 4-7 6088805-5 1984 CBP complex activity, determined in the presence of eIF3 from poliovirus-infected cells, is present in uninfected cells only and comigrates on sucrose gradient with an activity which restores the ability of crude initiation factors from infected cells to translate capped globin mRNA. Sucrose 143-150 eukaryotic translation initiation factor 4E Homo sapiens 0-3 6283140-5 1982 The 0 to 40% ammonium sulfate precipitates from both uninfected and infected cells contain eucaryotic initiation factor 3 (eIF-3), eIf-4B, and the cap-binding protein (CBP), which is detected by means of a cross-linking assay, as well as other proteins. Ammonium Sulfate 13-29 eukaryotic translation initiation factor 4E Homo sapiens 147-166 6089873-9 1984 Furthermore, the CBP complex reverses the high salt induced inhibition of translation of the former mRNAs. Salts 47-51 eukaryotic translation initiation factor 4E Homo sapiens 17-20 6283140-5 1982 The 0 to 40% ammonium sulfate precipitates from both uninfected and infected cells contain eucaryotic initiation factor 3 (eIF-3), eIf-4B, and the cap-binding protein (CBP), which is detected by means of a cross-linking assay, as well as other proteins. Ammonium Sulfate 13-29 eukaryotic translation initiation factor 4E Homo sapiens 168-171 33975880-9 2021 These findings implicate the involvement of the MNK1/2-eIF4E axis during PPBC metastasis and suggest a promising immunomodulatory route to enhance the efficacy of immunotherapy by blocking phospho-eIF4E. ppbc 73-77 eukaryotic translation initiation factor 4E Homo sapiens 55-60 7306524-4 1981 The 24K CBPs released from both columns were found to be active, both as judged by a cross-linking assay that utilized 10(4)-oxidized methyl-3H-labeled reovirus mRNA as a substrate for the protein and also by the ability of the isolated 24K CBP to stimulate the translocation of capped Sindbis virus mRNA in HeLa cell extracts. Tritium 141-143 eukaryotic translation initiation factor 4E Homo sapiens 8-11 33647641-8 2021 Once this loop is activated by BaP or BPDE exposure, both pathways in this loop would be up-regulated, promote EIF4E transcription, inhibit trophoblast cell proliferation, and further induce miscarriage. Benzo(a)pyrene 31-34 eukaryotic translation initiation factor 4E Homo sapiens 111-116 33647641-8 2021 Once this loop is activated by BaP or BPDE exposure, both pathways in this loop would be up-regulated, promote EIF4E transcription, inhibit trophoblast cell proliferation, and further induce miscarriage. 7,8-Dihydro-7,8-dihydroxybenzo(a)pyrene 9,10-oxide 38-42 eukaryotic translation initiation factor 4E Homo sapiens 111-116 33230623-2 2021 4Ei-10 is a member of the class of ProTide compounds and has elevated membrane permeability and is a strong active chemical antagonist for eIF4E. 4ei-10 0-6 eukaryotic translation initiation factor 4E Homo sapiens 139-144 33783376-0 2021 eIF4E-eIF4G complex inhibition synergistically enhances the effect of sorafenib in hepatocellular carcinoma. Sorafenib 70-79 eukaryotic translation initiation factor 4E Homo sapiens 0-5 33783376-3 2021 Herein, we aimed to demonstrate that eIF4E-eIF4G complex inhibition enhanced the effect of sorafenib. Sorafenib 91-100 eukaryotic translation initiation factor 4E Homo sapiens 37-42 33783376-9 2021 Besides, the coadministration of sorafenib and 4E1RCat or 4EGI-1 synergistically inhibited the expressions of eIF4E, eIF4G and phospho-4E-BP1 in HCC cells while blocking the phosphorylation of 4E-BP1 with lentiviral transfection failed to increase the sensitivity of HCC cells to sorafenib treatment. Sorafenib 33-42 eukaryotic translation initiation factor 4E Homo sapiens 110-115 33783376-11 2021 CONCLUSION: In a word, eIF4E-eIF4G complex inhibition synergistically enhances the effect of sorafenib in HCC treatment. Sorafenib 93-102 eukaryotic translation initiation factor 4E Homo sapiens 23-28 34012509-3 2021 Tomivosertib was highly effective at blocking eIF4E phosphorylation on serine 209 in AML cells. Serine 71-77 eukaryotic translation initiation factor 4E Homo sapiens 46-51 33837631-8 2021 ISRIB restores partly, inhibition in eIF4E-BP1 phosphorylation, promotes eIF2alpha phosphorylation, albeit slowly, and mitigates suppression of translation accordingly, in CCCP-treated cells. Carbonyl Cyanide m-Chlorophenyl Hydrazone 172-176 eukaryotic translation initiation factor 4E Homo sapiens 37-42 33711336-0 2021 Emetine suppresses SARS-CoV-2 replication by inhibiting interaction of viral mRNA with eIF4E. Emetine 0-7 eukaryotic translation initiation factor 4E Homo sapiens 87-92 33711336-6 2021 In a chromatin immunoprecipitation (CHIP) assay, emetine was shown to disrupt the binding of SARS-CoV-2 mRNA with eIF4E (eukaryotic translation initiation factor 4E, a cellular cap-binding protein required for initiation of protein translation). Emetine 49-56 eukaryotic translation initiation factor 4E Homo sapiens 114-119 33711336-6 2021 In a chromatin immunoprecipitation (CHIP) assay, emetine was shown to disrupt the binding of SARS-CoV-2 mRNA with eIF4E (eukaryotic translation initiation factor 4E, a cellular cap-binding protein required for initiation of protein translation). Emetine 49-56 eukaryotic translation initiation factor 4E Homo sapiens 121-164 33711336-7 2021 Further, molecular docking and molecular dynamics simulation studies suggested that emetine may bind to the cap-binding pocket of eIF4E, in a similar conformation as m7-GTP binds. Emetine 84-91 eukaryotic translation initiation factor 4E Homo sapiens 130-135 33711336-7 2021 Further, molecular docking and molecular dynamics simulation studies suggested that emetine may bind to the cap-binding pocket of eIF4E, in a similar conformation as m7-GTP binds. 7-methylguanosine triphosphate 166-172 eukaryotic translation initiation factor 4E Homo sapiens 130-135 33417999-7 2021 In vivo, RNAi-mediated dip3 silencing decreased eIF4E levels and was accompanied by an immunosuppressive phenotype in S. litura. dip3 23-27 eukaryotic translation initiation factor 4E Homo sapiens 48-53 33837631-9 2021 These findings are consistent with the idea that CCCP-induced oxidative stress leading to eIF2alpha phosphorylation and ATF4 expression, which is known to stimulate genes involved in autophagy, play a pro-survival role together with AKT activation and regulate mTOR-mediated eIF4E-BP1 phosphorylation. Carbonyl Cyanide m-Chlorophenyl Hydrazone 49-53 eukaryotic translation initiation factor 4E Homo sapiens 275-280 33165737-5 2021 Beyond early findings on induced activation of PI3K/Akt, MEK/ERK, and Mnk/eIF4E survival signaling pathways that compromise the efficacy of rapalog-based cancer therapy, recent findings on the essential role of GSK3 in mediating cancer cell response to mTOR inhibitors and mTORC1 inhibition-induced upregulation of PD-L1 in cancer cells may provide some explanations. rapalog 140-147 eukaryotic translation initiation factor 4E Homo sapiens 74-79