PMID-sentid Pub_year Sent_text compound_name comp_offset prot_official_name organism prot_offset 32698250-3 2021 CYP27A1 and CYP46A1 are the major oxysterol-producing enzymes in the retina that convert cholesterol to 27- and 24-hydroxycholesterol, respectively. Oxysterols 34-43 cytochrome P450, family 27, subfamily a, polypeptide 1 Mus musculus 0-7 32698250-3 2021 CYP27A1 and CYP46A1 are the major oxysterol-producing enzymes in the retina that convert cholesterol to 27- and 24-hydroxycholesterol, respectively. Oxysterols 34-43 cytochrome P450, family 46, subfamily a, polypeptide 1 Mus musculus 12-19 32616181-2 2020 HMGCR is subject to layers of negative feedback loops; excess cholesterol inhibits transcription of the gene, and lanosterols and oxysterols accelerate degradation of HMGCR. Oxysterols 130-140 3-hydroxy-3-methylglutaryl-CoA reductase Homo sapiens 0-5 32616181-2 2020 HMGCR is subject to layers of negative feedback loops; excess cholesterol inhibits transcription of the gene, and lanosterols and oxysterols accelerate degradation of HMGCR. Oxysterols 130-140 3-hydroxy-3-methylglutaryl-CoA reductase Homo sapiens 167-172 32616181-4 2020 Although genetic and biochemical studies revealed that the accelerated degradation requires the membrane domain of HMGCR and Insig, an oxysterol sensor on the endoplasmic reticulum membrane, the direct target of the bisphosphonate esters remains unclear. Oxysterols 135-144 3-hydroxy-3-methylglutaryl-CoA reductase Homo sapiens 115-120 32587660-9 2020 Results: Serum nitrotyrosine, IL-1beta, and TNF-alpha concentrations as well as TNF-alpha content in the liver were significantly higher in both groups exposed to oxysterols (ECh and ES groups) as compared to the C group. Oxysterols 163-173 tumor necrosis factor Rattus norvegicus 80-89 32640529-2 2020 Cholesterol-25-hydroxylase (CH25H) and its enzymatic products 25-hydroxycholesterol (25HC), a well-known oxysterol that regulates lipid metabolism, have been reported to play multiple functions in modulating cholesterol homeostasis, inflammation, and immune responses. Oxysterols 105-114 cholesterol 25-hydroxylase Homo sapiens 0-26 32640529-2 2020 Cholesterol-25-hydroxylase (CH25H) and its enzymatic products 25-hydroxycholesterol (25HC), a well-known oxysterol that regulates lipid metabolism, have been reported to play multiple functions in modulating cholesterol homeostasis, inflammation, and immune responses. Oxysterols 105-114 cholesterol 25-hydroxylase Homo sapiens 28-33 32621622-4 2021 During both development and in later life, oxysterols and other sterols interact with a variety of different receptors, including nuclear receptors, membrane bound G protein-coupled receptors, the oxysterol/sterol sensing proteins INSIG and SCAP, and the ligand-gated ion channel N-methyl-D-aspartate receptors found in nerve cells. Oxysterols 43-53 SREBF chaperone Homo sapiens 241-245 32621622-4 2021 During both development and in later life, oxysterols and other sterols interact with a variety of different receptors, including nuclear receptors, membrane bound G protein-coupled receptors, the oxysterol/sterol sensing proteins INSIG and SCAP, and the ligand-gated ion channel N-methyl-D-aspartate receptors found in nerve cells. Oxysterols 43-52 SREBF chaperone Homo sapiens 241-245 32570981-1 2020 Oxysterol binding related proteins 5 and 8 (ORP5 and ORP8) are two close homologs of the larger oxysterol binding protein (OSBP) family of sterol sensors and lipid transfer proteins (LTP). Oxysterols 0-9 oxysterol binding protein like 5 Homo sapiens 44-48 32570981-1 2020 Oxysterol binding related proteins 5 and 8 (ORP5 and ORP8) are two close homologs of the larger oxysterol binding protein (OSBP) family of sterol sensors and lipid transfer proteins (LTP). Oxysterols 0-9 oxysterol binding protein like 8 Homo sapiens 53-57 32570981-1 2020 Oxysterol binding related proteins 5 and 8 (ORP5 and ORP8) are two close homologs of the larger oxysterol binding protein (OSBP) family of sterol sensors and lipid transfer proteins (LTP). Oxysterols 0-9 oxysterol binding protein Homo sapiens 96-121 32570981-1 2020 Oxysterol binding related proteins 5 and 8 (ORP5 and ORP8) are two close homologs of the larger oxysterol binding protein (OSBP) family of sterol sensors and lipid transfer proteins (LTP). Oxysterols 0-9 oxysterol binding protein Homo sapiens 123-127 31427180-1 2020 BACKGROUND: The present study has the objective to assess the zinc (Zn), copper (Cu), and oxysterols plasma levels in type 1 (DM1) (n = 26) and type 2 (DM2) (n = 80) diabetes patients, as compared to healthy controls (n = 71), in order to testify whether metal levels may have a significant impact on the association between oxysterols and diabetes. Oxysterols 90-100 immunoglobulin heavy diversity 1-7 Homo sapiens 126-129 32432943-2 2021 However, the current known SCAP inhibitors, such as oxysterols, induce endoplasmic reticulum (ER) stress and NR1H3/LXRalpha (nuclear receptor subfamily 1 group H member 3)-SREBF1/SREBP-1 c-mediated hepatic steatosis, which severely limited the clinical application of this inhibitor. Oxysterols 52-62 SREBF chaperone Mus musculus 27-31 32432943-2 2021 However, the current known SCAP inhibitors, such as oxysterols, induce endoplasmic reticulum (ER) stress and NR1H3/LXRalpha (nuclear receptor subfamily 1 group H member 3)-SREBF1/SREBP-1 c-mediated hepatic steatosis, which severely limited the clinical application of this inhibitor. Oxysterols 52-62 nuclear receptor subfamily 1, group H, member 3 Mus musculus 109-114 32432943-2 2021 However, the current known SCAP inhibitors, such as oxysterols, induce endoplasmic reticulum (ER) stress and NR1H3/LXRalpha (nuclear receptor subfamily 1 group H member 3)-SREBF1/SREBP-1 c-mediated hepatic steatosis, which severely limited the clinical application of this inhibitor. Oxysterols 52-62 nuclear receptor subfamily 1, group H, member 3 Mus musculus 115-123 32432943-2 2021 However, the current known SCAP inhibitors, such as oxysterols, induce endoplasmic reticulum (ER) stress and NR1H3/LXRalpha (nuclear receptor subfamily 1 group H member 3)-SREBF1/SREBP-1 c-mediated hepatic steatosis, which severely limited the clinical application of this inhibitor. Oxysterols 52-62 nuclear receptor subfamily 1, group H, member 3 Mus musculus 125-170 32432943-2 2021 However, the current known SCAP inhibitors, such as oxysterols, induce endoplasmic reticulum (ER) stress and NR1H3/LXRalpha (nuclear receptor subfamily 1 group H member 3)-SREBF1/SREBP-1 c-mediated hepatic steatosis, which severely limited the clinical application of this inhibitor. Oxysterols 52-62 sterol regulatory element binding transcription factor 1 Mus musculus 172-178 32432943-2 2021 However, the current known SCAP inhibitors, such as oxysterols, induce endoplasmic reticulum (ER) stress and NR1H3/LXRalpha (nuclear receptor subfamily 1 group H member 3)-SREBF1/SREBP-1 c-mediated hepatic steatosis, which severely limited the clinical application of this inhibitor. Oxysterols 52-62 sterol regulatory element binding transcription factor 1 Mus musculus 179-188 32443626-7 2020 We also demonstrate that the role of liver NAPE-PLD goes beyond the mere synthesis of NAEs, since the deletion of NAPE-PLD is associated with a marked modification of various bioactive lipids involved in host homeostasis such as oxysterols and bile acids. Oxysterols 229-239 N-acyl phosphatidylethanolamine phospholipase D Mus musculus 43-51 32443626-7 2020 We also demonstrate that the role of liver NAPE-PLD goes beyond the mere synthesis of NAEs, since the deletion of NAPE-PLD is associated with a marked modification of various bioactive lipids involved in host homeostasis such as oxysterols and bile acids. Oxysterols 229-239 N-acyl phosphatidylethanolamine phospholipase D Mus musculus 114-122 32292343-4 2020 We measured oxysterols in serum of volunteers dosed with PXR agonist rifampicin 600 mg/day versus placebo for a week and analyzed the expression of cholesterol transporters in mononuclear cells. Oxysterols 12-22 nuclear receptor subfamily 1 group I member 2 Homo sapiens 57-60 31541728-0 2019 Formation and metabolism of oxysterols and cholestenoic acids found in the mouse circulation: Lessons learnt from deuterium-enrichment experiments and the CYP46A1 transgenic mouse. Oxysterols 28-38 cytochrome P450, family 46, subfamily a, polypeptide 1 Mus musculus 155-162 31386594-2 2020 Various endogenous and synthetic RORgamma (inverse) agonists have been identified that regulate RORgamma transcriptional activity, including many cholesterol intermediates and oxysterols. Oxysterols 176-186 RAR-related orphan receptor gamma Mus musculus 33-41 30716465-5 2019 Its OSBP-related domain binds cholesterol, oxysterols, and phosphoinositides, and its overexpression enhances cellular cholesterol efflux. Oxysterols 43-53 oxysterol binding protein Homo sapiens 4-8 31580889-0 2019 Side-chain oxysterols suppress the transcription of CTP: Phosphoethanolamine cytidylyltransferase and 3-hydroxy-3-methylglutaryl-CoA reductase by inhibiting the interaction of p300 and NF-Y, and H3K27 acetylation. Oxysterols 11-21 solute carrier family 25 member 1 Homo sapiens 52-103 31580889-0 2019 Side-chain oxysterols suppress the transcription of CTP: Phosphoethanolamine cytidylyltransferase and 3-hydroxy-3-methylglutaryl-CoA reductase by inhibiting the interaction of p300 and NF-Y, and H3K27 acetylation. Oxysterols 11-21 E1A binding protein p300 Homo sapiens 176-180 31580889-11 2019 Based on these results, we concluded that 25-HC (and other side-chain oxysterols) in the medium was easily transferred into cells, suppressed H3K27 acetylation via p300 recruitment on the NF-Y complex in the Pcyt2 and Hmgcr promoters, and then suppressed transcription of these genes although LXR is not involved. Oxysterols 70-80 E1A binding protein p300 Homo sapiens 164-168 31580889-11 2019 Based on these results, we concluded that 25-HC (and other side-chain oxysterols) in the medium was easily transferred into cells, suppressed H3K27 acetylation via p300 recruitment on the NF-Y complex in the Pcyt2 and Hmgcr promoters, and then suppressed transcription of these genes although LXR is not involved. Oxysterols 70-80 phosphate cytidylyltransferase 2, ethanolamine Homo sapiens 208-213 31580889-11 2019 Based on these results, we concluded that 25-HC (and other side-chain oxysterols) in the medium was easily transferred into cells, suppressed H3K27 acetylation via p300 recruitment on the NF-Y complex in the Pcyt2 and Hmgcr promoters, and then suppressed transcription of these genes although LXR is not involved. Oxysterols 70-80 3-hydroxy-3-methylglutaryl-CoA reductase Homo sapiens 218-223 31400393-3 2019 In a previous publication we reported that oxysterols with a shorter side chain (C24) modulate the DAF-12 receptor activity either as partial agonists or, in the case of the C24 alcohol 24-hydroxy-4-cholen-3-one, as an antagonist both in vitro and in vivo. Oxysterols 43-53 Nuclear hormone receptor family member daf-12 Caenorhabditis elegans 99-105 31220227-0 2019 The Oxysterol Synthesising Enzyme CH25H Contributes to the Development of Intestinal Fibrosis. Oxysterols 4-13 cholesterol 25-hydroxylase Homo sapiens 34-39 31382484-7 2019 Lipid subclass analyses revealed various oxysterols, sphingomyelins, and ceramides, species uniquely enriched in human plaques were significantly reduced by cholesterol acceptors, especially by apoA-I. Oxysterols 41-51 apolipoprotein A1 Homo sapiens 194-200 31451509-4 2019 Oxysterol-related binding proteins ORP5 and ORP8 exchange PtdSer synthesized in the ER for phosphatidyl-4-phosphate synthesized in the PM. Oxysterols 0-9 oxysterol binding protein like 5 Homo sapiens 35-39 31451509-4 2019 Oxysterol-related binding proteins ORP5 and ORP8 exchange PtdSer synthesized in the ER for phosphatidyl-4-phosphate synthesized in the PM. Oxysterols 0-9 oxysterol binding protein like 8 Homo sapiens 44-48 31039009-0 2019 Hepatic MyD88 regulates liver inflammation by altering synthesis of oxysterols. Oxysterols 68-78 myeloid differentiation primary response gene 88 Mus musculus 8-13 31239294-7 2019 The quantification of oxysterols, performed by liquid chromatography-(atmospheric pressure chemical ionization (APCI))-mass spectrometry, showed that levels of 7-KC were significantly higher while those of 7alpha-hydroxycholesterol (HC), 24-HC and 27-HC were lower in AAA patients compared with healthy donors. Oxysterols 22-32 AAA1 Homo sapiens 268-271 31379749-4 2019 Oxysterol concentrations, the expression of key regulators liver X receptors (LXR), farnesoid X receptor (FXR), and oxysterol-binding proteins (OSBP) family are modulated in tumors and plasma of cancer patients, exposing these proteins and selected oxysterols as new potential biomarkers and drug targets. Oxysterols 0-9 xenotropic and polytropic retrovirus receptor 1 Homo sapiens 65-75 31379749-4 2019 Oxysterol concentrations, the expression of key regulators liver X receptors (LXR), farnesoid X receptor (FXR), and oxysterol-binding proteins (OSBP) family are modulated in tumors and plasma of cancer patients, exposing these proteins and selected oxysterols as new potential biomarkers and drug targets. Oxysterols 0-9 nuclear receptor subfamily 1 group H member 4 Homo sapiens 106-109 31379749-4 2019 Oxysterol concentrations, the expression of key regulators liver X receptors (LXR), farnesoid X receptor (FXR), and oxysterol-binding proteins (OSBP) family are modulated in tumors and plasma of cancer patients, exposing these proteins and selected oxysterols as new potential biomarkers and drug targets. Oxysterols 249-259 xenotropic and polytropic retrovirus receptor 1 Homo sapiens 65-75 31379749-5 2019 Evidence about how cholesterol/oxysterol pathways are intertwined with circadian clock is building. Oxysterols 31-40 clock circadian regulator Homo sapiens 81-86 31039009-8 2019 Moreover, we found that bile acid and oxysterol metabolism were deeply affected by the absence of hepatic MyD88. Oxysterols 38-47 myeloid differentiation primary response gene 88 Mus musculus 106-111 31039009-10 2019 Finally, the predisposition to inflammation sensitivity displayed by Myd88DeltaHep mice may be caused by the accumulation of 25-hydroxycholesterol, an oxysterol linked to inflammatory response and metabolic disorders. Oxysterols 151-160 myeloid differentiation primary response gene 88 Mus musculus 69-82 30910555-5 2019 Relatively high concentrations of this oxysterol markedly increased the release of pro-inflammatory interleukins 6 and 8, monocyte chemoattractant protein-1, vascular endothelial growth factor, as well as matrix metalloproteinases 2 and 9. Oxysterols 39-48 C-C motif chemokine ligand 2 Homo sapiens 122-156 31085627-3 2019 Oxysterols [24-hydroxycholesterol (24HC), 25-hydroxycholesterol (25HC), 27-hydroxycholesterol (27HC), 7alpha-hydroxycholesterol (7alphaHC), and 7-ketocholesterol (7KC)] were measured at baseline and 5 years using a novel mass spectrometric method, and apolipoproteins were measured using immunoturbidometric diagnostic kits. Oxysterols 0-10 apolipoprotein E Homo sapiens 252-267 31085627-6 2019 In MS patients, ApoC-II (all P <= 0.01) and ApoE (all P <= 0.01) changes were positively associated with all oxysterol levels. Oxysterols 109-118 apolipoprotein C2 Homo sapiens 16-23 31085627-6 2019 In MS patients, ApoC-II (all P <= 0.01) and ApoE (all P <= 0.01) changes were positively associated with all oxysterol levels. Oxysterols 109-118 apolipoprotein E Homo sapiens 44-48 31168089-0 2019 Cryo-EM structure of oxysterol-bound human Smoothened coupled to a heterotrimeric Gi. Oxysterols 21-30 smoothened, frizzled class receptor Homo sapiens 43-53 31137846-5 2019 In this study, we report on the biological and pharmacological evaluation of Oxy186, a semisynthetic oxysterol analogue, as a novel inhibitor of Hh signaling acting downstream of Smo, with encouraging drug-like properties. Oxysterols 101-110 smoothened, frizzled class receptor Homo sapiens 179-182 30910555-5 2019 Relatively high concentrations of this oxysterol markedly increased the release of pro-inflammatory interleukins 6 and 8, monocyte chemoattractant protein-1, vascular endothelial growth factor, as well as matrix metalloproteinases 2 and 9. Oxysterols 39-48 vascular endothelial growth factor A Homo sapiens 158-192 30471425-8 2019 This can explain the formation of (25R)26,7alpha- and (25S)26,7alpha-dihydroxy epimers of oxysterols and cholestenoic acids; the acid with the former stereochemistry is a liver X receptor (LXR) ligand that increases the number of oculomotor neurons in primary brain cultures. Oxysterols 90-100 nuclear receptor subfamily 1, group H, member 3 Mus musculus 171-187 30710743-0 2019 Mitochondrial oxysterol biosynthetic pathway gives evidence for CYP7B1 as controller of regulatory oxysterols. Oxysterols 14-23 cytochrome P450 family 7 subfamily B member 1 Homo sapiens 64-70 30710743-0 2019 Mitochondrial oxysterol biosynthetic pathway gives evidence for CYP7B1 as controller of regulatory oxysterols. Oxysterols 99-109 cytochrome P450 family 7 subfamily B member 1 Homo sapiens 64-70 30660701-4 2019 Here, we review recent developments in oxysterol research, highlighting the biological functions that oxysterols exert through their target nuclear receptors: the liver X receptors, estrogen receptors, RAR-related orphan receptors and the glucocorticoid receptor. Oxysterols 39-48 nuclear receptor subfamily 3 group C member 1 Homo sapiens 239-262 30710743-6 2019 StarD1 overexpression led to an unanticipated marked down-regulation of oxysterol 7alpha-hydroxylase (Cyp7b1), a marked increase in 26HC, and the formation of a third vital regulatory oxysterol, 24(S)-hydroxycholesterol (24HC), in B6/129 mice livers. Oxysterols 72-81 steroidogenic acute regulatory protein Mus musculus 0-6 30710743-9 2019 Just as importantly, it provides evidence for CYP7B1 as a key regulator of three vital intracellular regulatory oxysterol levels. Oxysterols 112-121 cytochrome P450 family 7 subfamily B member 1 Homo sapiens 46-52 30478861-7 2019 We discovered that oxysterol sensing through the G protein-coupled receptor 183 (GPR183) directs the migration of innate lymphoid cells, which is essential for the formation of lymphoid tissue in the colon. Oxysterols 19-28 G protein-coupled receptor 183 Homo sapiens 49-79 30478861-7 2019 We discovered that oxysterol sensing through the G protein-coupled receptor 183 (GPR183) directs the migration of innate lymphoid cells, which is essential for the formation of lymphoid tissue in the colon. Oxysterols 19-28 G protein-coupled receptor 183 Homo sapiens 81-87 30471425-8 2019 This can explain the formation of (25R)26,7alpha- and (25S)26,7alpha-dihydroxy epimers of oxysterols and cholestenoic acids; the acid with the former stereochemistry is a liver X receptor (LXR) ligand that increases the number of oculomotor neurons in primary brain cultures. Oxysterols 90-100 nuclear receptor subfamily 1, group H, member 3 Mus musculus 189-192 29704538-0 2018 In vitro oxidized HDL and HDL from type 2 diabetes patients have reduced ability to efflux oxysterols from THP-1 macrophages. Oxysterols 91-101 GLI family zinc finger 2 Homo sapiens 107-112 30459596-0 2018 Heme Oxygenase-1 and Brain Oxysterols Metabolism Are Linked to Egr-1 Expression in Aged Mice Cortex, but Not in Hippocampus. Oxysterols 27-37 early growth response 1 Mus musculus 63-68 30459596-5 2018 Several in vitro and in vivo studies reported that HO-1 could regulate the metabolism of oxysterols, oxidation products of cholesterol that include markers of oxidative stress. Oxysterols 89-99 heme oxygenase 1 Mus musculus 51-55 30459596-7 2018 In view of these data, we wanted to investigate whether Egr-1 can be implicated also in the oxysterol metabolism during brain aging. Oxysterols 92-101 early growth response 1 Mus musculus 56-61 30459596-11 2018 These results are further strenghtened by our observations made with Egr-1 KO mice, confirming our hypothesis concerning the influence of Egr-1 on oxysterol production and accumulation via regulation of the expression of HO-1 in the cortex, but not the hippocampus, of old mice. Oxysterols 147-156 early growth response 1 Mus musculus 138-143 30459596-11 2018 These results are further strenghtened by our observations made with Egr-1 KO mice, confirming our hypothesis concerning the influence of Egr-1 on oxysterol production and accumulation via regulation of the expression of HO-1 in the cortex, but not the hippocampus, of old mice. Oxysterols 147-156 heme oxygenase 1 Mus musculus 221-225 29654865-5 2018 Studies performed in cancer cells showed that CT was additionally metabolized into an oxysterol identified as the 6-oxo-cholestan-3beta,5alpha-diol (OCDO), by the 11beta-hydroxysteroid dehydrogenase of type 2 (HSD2), the enzyme which inactivates cortisol into cortisone. Oxysterols 86-95 hydroxysteroid 11-beta dehydrogenase 2 Homo sapiens 210-214 30197642-5 2018 Silencing ALOX15B reduced cellular cholesterol and the cholesterol intermediates desmosterol, lanosterol, 24,25-dihydrolanosterol, and lathosterol as well as oxysterols in IL-4-stimulated macrophages. Oxysterols 158-168 arachidonate 15-lipoxygenase type B Homo sapiens 10-17 29536114-2 2018 The original classification of the family based on oxysterol-binding activity belies the complex dual lipid-binding specificity of the conserved OSBP homology domain (OHD). Oxysterols 51-60 oxysterol binding protein Homo sapiens 145-149 30197642-5 2018 Silencing ALOX15B reduced cellular cholesterol and the cholesterol intermediates desmosterol, lanosterol, 24,25-dihydrolanosterol, and lathosterol as well as oxysterols in IL-4-stimulated macrophages. Oxysterols 158-168 interleukin 4 Homo sapiens 172-176 29793168-5 2018 Oxysterols treatment significantly altered differentiated Caco-2 cells redox status, leading to oxidant species production and a decrease of GSH levels, after 1 h exposure, followed by an increase of cytokines production, IL-6 and IL-8, after 24 h. Oxysterol cell treatment also induced after 48 h an increase of NO release, due to the induction of iNOS. Oxysterols 0-10 interleukin 6 Homo sapiens 222-226 29793168-5 2018 Oxysterols treatment significantly altered differentiated Caco-2 cells redox status, leading to oxidant species production and a decrease of GSH levels, after 1 h exposure, followed by an increase of cytokines production, IL-6 and IL-8, after 24 h. Oxysterol cell treatment also induced after 48 h an increase of NO release, due to the induction of iNOS. Oxysterols 0-10 C-X-C motif chemokine ligand 8 Homo sapiens 231-235 29793168-5 2018 Oxysterols treatment significantly altered differentiated Caco-2 cells redox status, leading to oxidant species production and a decrease of GSH levels, after 1 h exposure, followed by an increase of cytokines production, IL-6 and IL-8, after 24 h. Oxysterol cell treatment also induced after 48 h an increase of NO release, due to the induction of iNOS. Oxysterols 0-9 interleukin 6 Homo sapiens 222-226 29793168-5 2018 Oxysterols treatment significantly altered differentiated Caco-2 cells redox status, leading to oxidant species production and a decrease of GSH levels, after 1 h exposure, followed by an increase of cytokines production, IL-6 and IL-8, after 24 h. Oxysterol cell treatment also induced after 48 h an increase of NO release, due to the induction of iNOS. Oxysterols 0-9 C-X-C motif chemokine ligand 8 Homo sapiens 231-235 29352199-2 2018 Formation and abnormal accumulation of 7DHC and 7DHC-derived oxysterols occur in SLOS patients and in rats treated with the DHCR7 inhibitor AY9944. Oxysterols 61-71 7-dehydrocholesterol reductase Rattus norvegicus 124-129 29298812-1 2018 Cholesterol 25-hydroxylase (CH25H) catalyzes the production of 25-hydroxycholesterol (25-HC), an oxysterol that can play an important role in different biological processes. Oxysterols 97-106 cholesterol 25-hydroxylase Homo sapiens 0-26 29298812-1 2018 Cholesterol 25-hydroxylase (CH25H) catalyzes the production of 25-hydroxycholesterol (25-HC), an oxysterol that can play an important role in different biological processes. Oxysterols 97-106 cholesterol 25-hydroxylase Homo sapiens 28-33 29331507-14 2018 Sensing of fatty acids, cholesterol and oxysterols by the RORalpha/gamma ligand-binding domain suggests a plausible functional link between adropin expression and cellular lipid metabolism. Oxysterols 40-50 energy homeostasis associated Homo sapiens 140-147 29343433-0 2018 Oxysterol Sensing through the Receptor GPR183 Promotes the Lymphoid-Tissue-Inducing Function of Innate Lymphoid Cells and Colonic Inflammation. Oxysterols 0-9 G protein-coupled receptor 183 Mus musculus 39-45 29343433-6 2018 Localized oxysterol production by fibroblastic stromal cells provided an essential signal for colonic lymphoid tissue development, and inflammation-induced increased oxysterol production caused colitis through GPR183-mediated cell recruitment. Oxysterols 166-175 G protein-coupled receptor 183 Mus musculus 210-216 29343433-7 2018 Our findings show that GPR183 promotes lymphoid organ development and indicate that oxysterol-GPR183-dependent positioning within tissues controls ILC3 activity and intestinal homeostasis. Oxysterols 84-93 G protein-coupled receptor 183 Mus musculus 23-29 29523207-5 2018 Using the BV2 microglial cell line, we explored the effect of lipopolysaccharide (LPS)-induced (M1-type) and IL-4-induced (M2-type) cell activation on oxysterol levels. Oxysterols 151-160 interleukin 4 Mus musculus 109-113 29343433-7 2018 Our findings show that GPR183 promotes lymphoid organ development and indicate that oxysterol-GPR183-dependent positioning within tissues controls ILC3 activity and intestinal homeostasis. Oxysterols 84-93 G protein-coupled receptor 183 Mus musculus 94-100 27401614-2 2018 OBJECTIVES: In this study, we analyzed the prognostic value of the liver X receptor-alpha (LXR-alpha), a nuclear receptor of a family of cholesterol derivatives called oxysterols, in patients with radically resected NSCLC. Oxysterols 168-178 nuclear receptor subfamily 1 group H member 3 Homo sapiens 91-100 29126212-4 2017 CYP7B1 deficiency has been shown to lead to accumulation of neurotoxic oxysterols. Oxysterols 71-81 cytochrome P450 family 7 subfamily B member 1 Homo sapiens 0-6 29177442-13 2018 Pharmacologic inhibition of steroidogenesis by aminoglutethimide significantly induced LXR and inhibited SREBP2 target gene mRNA expression, indicating that increased oxysterol production occurs when steroidogenesis is suppressed. Oxysterols 167-176 sterol regulatory element binding transcription factor 2 Homo sapiens 105-111 29236764-2 2017 We investigated the possibility that dexamethasone could affect activation of monocytic cells induced by oxygenated derivatives of cholesterol (oxysterols) using THP-1 monocyte/macrophage cells. Oxysterols 144-154 GLI family zinc finger 2 Homo sapiens 162-167 29102636-8 2017 Cell monolayer pre-treatment with the selective inhibitor of MMPs ARP100 or polyphenol (-)-epicathechin, previously shown to inhibit NADPH oxidase in the same model system, demonstrated that the decrease of the three tight junction proteins was mainly a consequence of MMPs induction, which was in turn dependent on the pro-oxidant property of the oxysterols investigated. Oxysterols 348-358 matrix metallopeptidase 2 Homo sapiens 61-65 28928671-16 2017 In addition, the increase and reduction of Cyp27a1 and Cyp7b1 in trained mice may contribute to enhance levels of 27-OH C. Both oxysterols may act as an alternative pathway for the RCT contributing to the reduction of cholesterol in the aortic arch preventing atherogenesis. Oxysterols 128-138 cytochrome P450, family 27, subfamily a, polypeptide 1 Mus musculus 43-50 28807695-0 2017 Doxorubicin enhances oxysterol levels resulting in a LXR-mediated upregulation of cardiac cholesterol transporters. Oxysterols 21-30 nuclear receptor subfamily 1, group H, member 3 Mus musculus 53-56 28807695-11 2017 Taken together, our data demonstrate enhanced cholesterol and oxysterol levels by doxorubicin, resulting in a LXR-dependent upregulation of abca1 and abcg1. Oxysterols 62-71 nuclear receptor subfamily 1, group H, member 3 Mus musculus 110-113 28807695-11 2017 Taken together, our data demonstrate enhanced cholesterol and oxysterol levels by doxorubicin, resulting in a LXR-dependent upregulation of abca1 and abcg1. Oxysterols 62-71 ATP-binding cassette, sub-family A (ABC1), member 1 Mus musculus 140-145 28807695-11 2017 Taken together, our data demonstrate enhanced cholesterol and oxysterol levels by doxorubicin, resulting in a LXR-dependent upregulation of abca1 and abcg1. Oxysterols 62-71 ATP binding cassette subfamily G member 1 Mus musculus 150-155 28993775-0 2017 IL-27-Induced Type 1 Regulatory T-Cells Produce Oxysterols that Constrain IL-10 Production. Oxysterols 48-58 interleukin 27 Homo sapiens 0-5 28993775-0 2017 IL-27-Induced Type 1 Regulatory T-Cells Produce Oxysterols that Constrain IL-10 Production. Oxysterols 48-58 interleukin 10 Homo sapiens 74-79 28993775-7 2017 Here, we assessed oxysterol levels in subset of CD4+ T cells and demonstrated that 25-OHC and transcript levels of its synthesizing enzyme, cholesterol 25-hydroxylase, were specifically increased in IL-27-induced type 1 regulatory T (TR1) cells. Oxysterols 18-27 cholesterol 25-hydroxylase Homo sapiens 140-166 28993775-7 2017 Here, we assessed oxysterol levels in subset of CD4+ T cells and demonstrated that 25-OHC and transcript levels of its synthesizing enzyme, cholesterol 25-hydroxylase, were specifically increased in IL-27-induced type 1 regulatory T (TR1) cells. Oxysterols 18-27 interleukin 27 Homo sapiens 199-204 28993775-9 2017 Not only do these findings unravel molecular mechanisms accounting for IL-27 signaling but also they highlight oxysterols as pro-inflammatory mediators that dampens regulatory T cell responses and thus unleash a pro-inflammatory response. Oxysterols 111-121 interleukin 27 Homo sapiens 71-76 28815947-0 2017 Olive Oil Phenolics Prevent Oxysterol-Induced Proinflammatory Cytokine Secretion and Reactive Oxygen Species Production in Human Peripheral Blood Mononuclear Cells, Through Modulation of p38 and JNK Pathways. Oxysterols 28-37 mitogen-activated protein kinase 14 Homo sapiens 187-190 28815947-0 2017 Olive Oil Phenolics Prevent Oxysterol-Induced Proinflammatory Cytokine Secretion and Reactive Oxygen Species Production in Human Peripheral Blood Mononuclear Cells, Through Modulation of p38 and JNK Pathways. Oxysterols 28-37 mitogen-activated protein kinase 8 Homo sapiens 195-198 29033131-0 2017 Oxysterol Restraint of Cholesterol Synthesis Prevents AIM2 Inflammasome Activation. Oxysterols 0-9 absent in melanoma 2 Homo sapiens 54-58 28888956-0 2017 Oxysterol, 5alpha-cholestan-3-one, modulates a contractile response to beta2-adrenoceptor stimulation in the mouse atria: Involvement of NO signaling. Oxysterols 0-9 adrenergic receptor, beta 2 Mus musculus 71-89 28928671-16 2017 In addition, the increase and reduction of Cyp27a1 and Cyp7b1 in trained mice may contribute to enhance levels of 27-OH C. Both oxysterols may act as an alternative pathway for the RCT contributing to the reduction of cholesterol in the aortic arch preventing atherogenesis. Oxysterols 128-138 cytochrome P450, family 7, subfamily b, polypeptide 1 Mus musculus 55-61 28125291-4 2017 OBJECTIVES: To determine whether oxysterol ligands for EBI2 are increased in asthma exacerbation, and if or how they promote Eos pulmonary migration. Oxysterols 33-42 G protein-coupled receptor 183 Homo sapiens 55-59 28869506-2 2017 It is now well established that ABCG1 promotes the export of lipids, including cholesterol, phospholipids, sphingomyelin and oxysterols, and plays a key role in the maintenance of tissue lipid homeostasis. Oxysterols 125-135 ATP binding cassette subfamily G member 1 Homo sapiens 32-37 29029490-3 2017 When cells were exposed to oxysterols in fetal bovine serum-supplemented medium, 7-ketocholesterol (7-KC), but not 27-hydroxycholesterol (27-HC), decreased the cytotoxicity of doxorubicin in MCF-7 (high estrogen receptor (ER)alpha/ERbeta ratio) cells and the decreased cytotoxicity was restored by the P-glycoprotein inhibitor verapamil. Oxysterols 27-37 estrogen receptor 2 Homo sapiens 231-237 28576574-9 2017 In summary, the present study revealed a novel mechanism of human LPL gene induction by oxysterols in the liver with is based on physical and functional interactions between transcription factors LXRalpha and FOXA2. Oxysterols 88-98 lipoprotein lipase Homo sapiens 66-69 28576574-9 2017 In summary, the present study revealed a novel mechanism of human LPL gene induction by oxysterols in the liver with is based on physical and functional interactions between transcription factors LXRalpha and FOXA2. Oxysterols 88-98 nuclear receptor subfamily 1 group H member 3 Homo sapiens 196-204 28576574-9 2017 In summary, the present study revealed a novel mechanism of human LPL gene induction by oxysterols in the liver with is based on physical and functional interactions between transcription factors LXRalpha and FOXA2. Oxysterols 88-98 forkhead box A2 Homo sapiens 209-214 28442559-2 2017 27HC is an oxysterol produced from cholesterol by the monooxygenase CYP27A1, which regulates intracellular cholesterol homeostasis. Oxysterols 11-20 cytochrome P450 family 27 subfamily A member 1 Homo sapiens 68-75 29130021-3 2017 Oxygenated cholesterol derivative oxysterols are known to be endogenous ligands of the liver X receptor (LXR), a nuclear receptor with anti-cholestasis activity, whereas the sulfated oxysterols antagonize LXR signaling. Oxysterols 34-44 nuclear receptor subfamily 1, group H, member 3 Mus musculus 87-103 29130021-3 2017 Oxygenated cholesterol derivative oxysterols are known to be endogenous ligands of the liver X receptor (LXR), a nuclear receptor with anti-cholestasis activity, whereas the sulfated oxysterols antagonize LXR signaling. Oxysterols 34-44 nuclear receptor subfamily 1, group H, member 3 Mus musculus 105-108 29130021-3 2017 Oxygenated cholesterol derivative oxysterols are known to be endogenous ligands of the liver X receptor (LXR), a nuclear receptor with anti-cholestasis activity, whereas the sulfated oxysterols antagonize LXR signaling. Oxysterols 34-44 nuclear receptor subfamily 1, group H, member 3 Mus musculus 205-208 29130021-3 2017 Oxygenated cholesterol derivative oxysterols are known to be endogenous ligands of the liver X receptor (LXR), a nuclear receptor with anti-cholestasis activity, whereas the sulfated oxysterols antagonize LXR signaling. Oxysterols 183-193 nuclear receptor subfamily 1, group H, member 3 Mus musculus 205-208 29130021-8 2017 The protective effect of the STS transgene was associated with the activation of LXR and induction of LXR target genes, likely because of the increased conversion of the antagonistic oxysterol sulfates to the agonistic oxysterols. Oxysterols 219-229 nuclear receptor subfamily 1, group H, member 3 Mus musculus 102-105 27589058-6 2017 TC, LDL-C, and ApoB were associated with higher levels of all oxysterols (all p < 0.05) in HC. Oxysterols 62-72 apolipoprotein B Homo sapiens 15-19 28356389-5 2017 Mechanistically, c-Fos decreases expression and activity of the nuclear receptor LXRalpha, leading to increased hepatic cholesterol and accumulation of toxic oxysterols and bile acids. Oxysterols 158-168 Fos proto-oncogene, AP-1 transcription factor subunit Homo sapiens 17-22 28356389-5 2017 Mechanistically, c-Fos decreases expression and activity of the nuclear receptor LXRalpha, leading to increased hepatic cholesterol and accumulation of toxic oxysterols and bile acids. Oxysterols 158-168 nuclear receptor subfamily 1 group H member 3 Homo sapiens 81-89 28738017-8 2017 Last, we provide evidence that oxysterol metabolism by Batf3-dependent DCs is important for EBI2-dependent positioning of activated DCIR2+ DCs. Oxysterols 31-40 basic leucine zipper ATF-like transcription factor 3 Homo sapiens 55-60 28738017-8 2017 Last, we provide evidence that oxysterol metabolism by Batf3-dependent DCs is important for EBI2-dependent positioning of activated DCIR2+ DCs. Oxysterols 31-40 G protein-coupled receptor 183 Homo sapiens 92-96 28011707-2 2017 LXRalpha binds to and is regulated by synthetic (T-0901317, GW3695) and endogenous (oxysterols) ligands. Oxysterols 84-94 nuclear receptor subfamily 1 group H member 3 Homo sapiens 0-8 27490478-9 2017 Furthermore, the present study adds a new facet to the spectrum of Hh pathway modulation that naturally occurring oxysterol derivatives are capable of, ranging from allosteric activation of the pathway via Smo binding to inhibition of the pathway downstream of Smo. Oxysterols 114-123 smoothened, frizzled class receptor Homo sapiens 206-209 27490478-9 2017 Furthermore, the present study adds a new facet to the spectrum of Hh pathway modulation that naturally occurring oxysterol derivatives are capable of, ranging from allosteric activation of the pathway via Smo binding to inhibition of the pathway downstream of Smo. Oxysterols 114-123 smoothened, frizzled class receptor Homo sapiens 261-264 27687218-5 2016 The oxysterols potentially most closely involved in the pathogenesis of AD are 24-hydroxycholesterol and 27-hydroxycholesterol, respectively deriving from cholesterol oxidation by the enzymes CYP46A1 and CYP27A1. Oxysterols 4-14 cytochrome P450 family 46 subfamily A member 1 Homo sapiens 192-199 28052250-1 2017 The interaction between oxysterols and the G protein-coupled receptor Epstein-Barr virus-induced gene 2 (EBI2) fine-tunes immune cell migration, a mechanism efficiently targeted by several disease-modifying treatments developed to treat multiple sclerosis (MS), such as natalizumab. Oxysterols 24-34 G protein-coupled receptor 183 Homo sapiens 105-109 27729467-7 2016 Excessive stimulation with the oxysterol 25-hydroxycholesterol disassembles the ORP4L/Galphaq/11/PLCbeta3 complexes, resulting in reduced PLCbeta3 activity, IP3 production, and Ca2+ release, as well as decreased Bcl-XL expression and increased apoptosis. Oxysterols 31-40 guanine nucleotide binding protein, alpha q polypeptide Mus musculus 86-93 27729467-7 2016 Excessive stimulation with the oxysterol 25-hydroxycholesterol disassembles the ORP4L/Galphaq/11/PLCbeta3 complexes, resulting in reduced PLCbeta3 activity, IP3 production, and Ca2+ release, as well as decreased Bcl-XL expression and increased apoptosis. Oxysterols 31-40 phospholipase C, beta 3 Mus musculus 97-105 27729467-7 2016 Excessive stimulation with the oxysterol 25-hydroxycholesterol disassembles the ORP4L/Galphaq/11/PLCbeta3 complexes, resulting in reduced PLCbeta3 activity, IP3 production, and Ca2+ release, as well as decreased Bcl-XL expression and increased apoptosis. Oxysterols 31-40 phospholipase C, beta 3 Mus musculus 138-146 27729467-7 2016 Excessive stimulation with the oxysterol 25-hydroxycholesterol disassembles the ORP4L/Galphaq/11/PLCbeta3 complexes, resulting in reduced PLCbeta3 activity, IP3 production, and Ca2+ release, as well as decreased Bcl-XL expression and increased apoptosis. Oxysterols 31-40 BCL2-like 1 Mus musculus 212-218 27052460-0 2017 Upregulation of hydroxysteroid sulfotransferase 2B1b promotes hepatic oval cell proliferation by modulating oxysterol-induced LXR activation in a mouse model of liver injury. Oxysterols 108-117 nuclear receptor subfamily 1, group H, member 3 Mus musculus 126-129 27052460-10 2017 The above oxysterols are physiological ligands of liver X receptors (LXRs), and SULT2B1b suppressed oxysterol-induced LXR activation. Oxysterols 10-20 nuclear receptor subfamily 1, group H, member 3 Mus musculus 69-72 27052460-10 2017 The above oxysterols are physiological ligands of liver X receptors (LXRs), and SULT2B1b suppressed oxysterol-induced LXR activation. Oxysterols 10-19 nuclear receptor subfamily 1, group H, member 3 Mus musculus 69-72 27052460-12 2017 Our data indicate that upregulation of SULT2B1b might promote HOC proliferation and aggravate liver injury via the suppression of oxysterol-induced LXR activation in chemically induced mouse liver injury. Oxysterols 130-139 nuclear receptor subfamily 1, group H, member 3 Mus musculus 148-151 27687218-5 2016 The oxysterols potentially most closely involved in the pathogenesis of AD are 24-hydroxycholesterol and 27-hydroxycholesterol, respectively deriving from cholesterol oxidation by the enzymes CYP46A1 and CYP27A1. Oxysterols 4-14 cytochrome P450 family 27 subfamily A member 1 Homo sapiens 204-211 27658369-0 2016 Fluoro analogs of bioactive oxy-sterols: Synthesis of an EBI2 agonist with enhanced metabolic stability. Oxysterols 28-39 G protein-coupled receptor 183 Homo sapiens 57-61 27688150-6 2016 These data demonstrate that the ACAT2 expression of human leukocytes is responsible for the excretion of lipoproteins containing cholesteryl/steryl esters (CE/SE), and suggest that the excretion of lipoproteins containing the ACAT2-catalyzed CS/SE may avoid cytotoxicity through decreasing the excess intracellular cholesterols/sterols (especially various oxysterols), which is essential for the action of the human leukocytes. Oxysterols 356-366 sterol O-acyltransferase 2 Homo sapiens 32-37 26971834-1 2016 Recent data and publications suggest a promiscuous behaviour for GPR17, a class-A GPCR operated by different classes of ligands, such as uracil nucleotides, cysteinyl-leukotrienes and oxysterols. Oxysterols 184-194 G protein-coupled receptor 17 Homo sapiens 65-70 27653972-1 2016 In the central nervous system, 24(S)-hydroxycholesterol (24(S)-HC) is an oxysterol synthesized from cholesterol by cholesterol 24-hydroxylase (CYP46A1) encoded by the cyp46a1 gene. Oxysterols 73-82 cytochrome P450, family 46, subfamily a, polypeptide 1 Rattus norvegicus 115-141 27653972-1 2016 In the central nervous system, 24(S)-hydroxycholesterol (24(S)-HC) is an oxysterol synthesized from cholesterol by cholesterol 24-hydroxylase (CYP46A1) encoded by the cyp46a1 gene. Oxysterols 73-82 cytochrome P450, family 46, subfamily a, polypeptide 1 Rattus norvegicus 143-150 27653972-1 2016 In the central nervous system, 24(S)-hydroxycholesterol (24(S)-HC) is an oxysterol synthesized from cholesterol by cholesterol 24-hydroxylase (CYP46A1) encoded by the cyp46a1 gene. Oxysterols 73-82 cytochrome P450, family 46, subfamily a, polypeptide 1 Rattus norvegicus 167-174 27079462-8 2016 Finally, CysC treatment minimized oxysterol-mediated cellular lipid accumulation. Oxysterols 34-43 cystatin C Mus musculus 9-13 26370385-10 2016 Reduced cytochrome P450-7B1 enzymatic activity could alter the balance among neurotoxic and neuroprotective oxysterols promoting motor neuron degeneration and/or immune response. Oxysterols 108-118 cytochrome P450 family 7 subfamily B member 1 Homo sapiens 8-27 27109381-7 2016 We showed that oxysterol toxicity is mediated by P2X7 receptor activation. Oxysterols 15-24 purinergic receptor P2X 7 Homo sapiens 49-62 27109381-9 2016 Taken together our data suggest a pivotal role of P2X7 receptor-pannexin-1 in oxysterols toxicity in retinal cells which could be an important target to develop new treatments for AMD. Oxysterols 78-88 purinergic receptor P2X 7 Homo sapiens 50-63 27109381-9 2016 Taken together our data suggest a pivotal role of P2X7 receptor-pannexin-1 in oxysterols toxicity in retinal cells which could be an important target to develop new treatments for AMD. Oxysterols 78-88 pannexin 1 Homo sapiens 64-74 26971834-1 2016 Recent data and publications suggest a promiscuous behaviour for GPR17, a class-A GPCR operated by different classes of ligands, such as uracil nucleotides, cysteinyl-leukotrienes and oxysterols. Oxysterols 184-194 G protein-coupled receptor 166 pseudogene Homo sapiens 82-86 26733147-7 2016 Interestingly, in NP-C alone, we observed that plasma oxysterols correlate negatively with patient"s age and positively with serum total bilirubin, suggesting the potential relationship between oxysterol levels and hepatic disease status. Oxysterols 54-63 NPC intracellular cholesterol transporter 1 Homo sapiens 18-22 26992564-0 2016 Oxysterol-related-binding-protein related Protein-2 (ORP2) regulates cortisol biosynthesis and cholesterol homeostasis. Oxysterols 0-9 oxysterol binding protein like 2 Homo sapiens 53-57 26893256-6 2016 Immunoblotting showed that the oxysterol activated the ER transmembrane resident kinases of IRE1alpha, PERK and ATF4 and triggered caspase-12 signaling cascades, which was reversed by alpha-asarone. Oxysterols 31-40 endoplasmic reticulum (ER) to nucleus signalling 1 Mus musculus 92-101 26893256-6 2016 Immunoblotting showed that the oxysterol activated the ER transmembrane resident kinases of IRE1alpha, PERK and ATF4 and triggered caspase-12 signaling cascades, which was reversed by alpha-asarone. Oxysterols 31-40 eukaryotic translation initiation factor 2 alpha kinase 3 Mus musculus 103-107 26893256-6 2016 Immunoblotting showed that the oxysterol activated the ER transmembrane resident kinases of IRE1alpha, PERK and ATF4 and triggered caspase-12 signaling cascades, which was reversed by alpha-asarone. Oxysterols 31-40 activating transcription factor 4 Mus musculus 112-116 26893256-6 2016 Immunoblotting showed that the oxysterol activated the ER transmembrane resident kinases of IRE1alpha, PERK and ATF4 and triggered caspase-12 signaling cascades, which was reversed by alpha-asarone. Oxysterols 31-40 caspase 12 Mus musculus 131-141 26893256-9 2016 Finally, alpha-asarone disturbed oxysterol-elicited signaling of PERK and ATF4 responsible for CHOP induction. Oxysterols 33-42 eukaryotic translation initiation factor 2 alpha kinase 3 Mus musculus 65-69 26893256-9 2016 Finally, alpha-asarone disturbed oxysterol-elicited signaling of PERK and ATF4 responsible for CHOP induction. Oxysterols 33-42 activating transcription factor 4 Mus musculus 74-78 26893256-9 2016 Finally, alpha-asarone disturbed oxysterol-elicited signaling of PERK and ATF4 responsible for CHOP induction. Oxysterols 33-42 DNA-damage inducible transcript 3 Mus musculus 95-99 27147587-4 2016 The bile acids most elevated in the NPC subjects were identified as 3beta,5alpha,6beta-trihydroxycholanic acid and its glycine conjugate, which were shown to be metabolites of cholestane-3beta,5alpha,6beta-triol, an oxysterol elevated in NPC. Oxysterols 216-225 NPC intracellular cholesterol transporter 1 Homo sapiens 36-39 26689473-4 2016 It remains to identify the link between ERK/Akt up-regulation and the consequent quenching effect on ROS intracellular level that efficiently and markedly delay the pro-apoptotic effect of the oxysterol. Oxysterols 193-202 mitogen-activated protein kinase 1 Homo sapiens 40-43 26689473-4 2016 It remains to identify the link between ERK/Akt up-regulation and the consequent quenching effect on ROS intracellular level that efficiently and markedly delay the pro-apoptotic effect of the oxysterol. Oxysterols 193-202 AKT serine/threonine kinase 1 Homo sapiens 44-47 26689473-6 2016 The 27-OH-exerted induction of Nrf2 and subsequently of the target genes, HO-1 and NQO-1, was proved to be: (i) dependent upon the activation of ERK and Akt pathways, (ii) directly responsible for the quenching of intracellular oxidative stress and by this way (iii) ultimately responsible for the observed oxysterol-induced pro-survival response. Oxysterols 307-316 NFE2 like bZIP transcription factor 2 Homo sapiens 31-35 26689473-6 2016 The 27-OH-exerted induction of Nrf2 and subsequently of the target genes, HO-1 and NQO-1, was proved to be: (i) dependent upon the activation of ERK and Akt pathways, (ii) directly responsible for the quenching of intracellular oxidative stress and by this way (iii) ultimately responsible for the observed oxysterol-induced pro-survival response. Oxysterols 307-316 heme oxygenase 1 Homo sapiens 74-78 26689473-6 2016 The 27-OH-exerted induction of Nrf2 and subsequently of the target genes, HO-1 and NQO-1, was proved to be: (i) dependent upon the activation of ERK and Akt pathways, (ii) directly responsible for the quenching of intracellular oxidative stress and by this way (iii) ultimately responsible for the observed oxysterol-induced pro-survival response. Oxysterols 307-316 NAD(P)H quinone dehydrogenase 1 Homo sapiens 83-88 26689473-6 2016 The 27-OH-exerted induction of Nrf2 and subsequently of the target genes, HO-1 and NQO-1, was proved to be: (i) dependent upon the activation of ERK and Akt pathways, (ii) directly responsible for the quenching of intracellular oxidative stress and by this way (iii) ultimately responsible for the observed oxysterol-induced pro-survival response. Oxysterols 307-316 mitogen-activated protein kinase 1 Homo sapiens 145-148 26689473-6 2016 The 27-OH-exerted induction of Nrf2 and subsequently of the target genes, HO-1 and NQO-1, was proved to be: (i) dependent upon the activation of ERK and Akt pathways, (ii) directly responsible for the quenching of intracellular oxidative stress and by this way (iii) ultimately responsible for the observed oxysterol-induced pro-survival response. Oxysterols 307-316 AKT serine/threonine kinase 1 Homo sapiens 153-156 26082378-1 2015 Cytochrome P450 CYP27A1 is the only enzyme in humans converting cholesterol to 27-hydroxycholesterol, an oxysterol of multiple functions, including tissue-specific modulation of estrogen and liver X receptors. Oxysterols 105-114 cytochrome P450, family 27, subfamily a, polypeptide 1 Mus musculus 16-23 26898310-4 2016 We also discuss expression and signalling of oxysterol-producing enzymes such as CH25H and CYP7B1 in the CNS and the immune system. Oxysterols 45-54 cholesterol 25-hydroxylase Homo sapiens 81-86 26898310-4 2016 We also discuss expression and signalling of oxysterol-producing enzymes such as CH25H and CYP7B1 in the CNS and the immune system. Oxysterols 45-54 cytochrome P450 family 7 subfamily B member 1 Homo sapiens 91-97 27033215-3 2016 Indeed, oxysterols inhibit the expression of the chemokine receptor CCR7 on dendritic cells (DC) in an LXR-dependent manner, thus impairing DC migration to secondary lymphoid organs, and therefore dampening the induction of successful antitumor responses.We have resorted to direct (i.e., luciferase-based LXR activation assay) and indirect (i.e., activation of LXR target genes in dendritic cells) methods in order to assess the presence of LXR ligands (oxysterols) in tumor-conditioned media.These two methods are also suitable to study strategies to block oxysterol release by tumor cells. Oxysterols 8-17 C-C motif chemokine receptor 7 Homo sapiens 68-72 26232622-4 2015 In this regard, oxysterols are particular in causing alpha-synuclein aggregation and destruction of dopamine containing neurons in in vitro models, which is linked to their direct influence on oxidative stress provoking potency. Oxysterols 16-26 synuclein alpha Homo sapiens 53-68 25998247-1 2015 Lysophosphatidylcholine (LPC) and oxysterols which are major components in oxidized low-density lipoprotein have been shown to possess an opposite effect on the expression of sterol regulatory element-binding protein-2 (SREBP-2) target genes in endothelial cells. Oxysterols 34-44 sterol regulatory element binding transcription factor 2 Homo sapiens 175-218 25998247-1 2015 Lysophosphatidylcholine (LPC) and oxysterols which are major components in oxidized low-density lipoprotein have been shown to possess an opposite effect on the expression of sterol regulatory element-binding protein-2 (SREBP-2) target genes in endothelial cells. Oxysterols 34-44 sterol regulatory element binding transcription factor 2 Homo sapiens 220-227 26812621-4 2016 We have previously shown that BMMs from sg/sg mice have significantly decreased expression of cholesterol 25-hydroxylase (Ch25h) mRNA, the enzyme that produces the oxysterol, 25-hydroxycholesterol (25HC), and now confirm this at the protein level. Oxysterols 164-173 cholesterol 25-hydroxylase Mus musculus 94-120 26812621-4 2016 We have previously shown that BMMs from sg/sg mice have significantly decreased expression of cholesterol 25-hydroxylase (Ch25h) mRNA, the enzyme that produces the oxysterol, 25-hydroxycholesterol (25HC), and now confirm this at the protein level. Oxysterols 164-173 cholesterol 25-hydroxylase Mus musculus 122-127 26577244-5 2015 The promoter region of CH25H was originally hypermethylated in HL-60 and MDS-L cells, but DAC treatment induced their hypomethylation together with increased CH25H mRNA expression, activation of CH25H-oxysterol pathway, 25-OHC production and apoptotic cell death. Oxysterols 201-210 cholesterol 25-hydroxylase Homo sapiens 23-28 26577244-9 2015 The present study raises a possibility that DNMT inhibitors activate CH25H-oxysterol pathway by their hypomethylating mechanism and induce leukemic cell death. Oxysterols 75-84 DNA methyltransferase 1 Homo sapiens 44-48 26577244-9 2015 The present study raises a possibility that DNMT inhibitors activate CH25H-oxysterol pathway by their hypomethylating mechanism and induce leukemic cell death. Oxysterols 75-84 cholesterol 25-hydroxylase Homo sapiens 69-74 26239048-3 2015 We aimed to know the sensitivity and specificity of these biomarkers for the diagnosis of NPC compared with other diseases that can potentially lead to oxysterol alterations. Oxysterols 152-161 NPC intracellular cholesterol transporter 1 Homo sapiens 90-93 26344074-2 2015 We recently reported that 25-hydroxycholesterol, a representative LXR-activating oxysterol, suppresses IL-6 production in mouse mast cells (MCs) following its engagement of the high-affinity IgE receptor (FcepsilonRI). Oxysterols 81-90 nuclear receptor subfamily 1, group H, member 2 Mus musculus 66-69 26344074-2 2015 We recently reported that 25-hydroxycholesterol, a representative LXR-activating oxysterol, suppresses IL-6 production in mouse mast cells (MCs) following its engagement of the high-affinity IgE receptor (FcepsilonRI). Oxysterols 81-90 interleukin 6 Mus musculus 103-107 26344074-2 2015 We recently reported that 25-hydroxycholesterol, a representative LXR-activating oxysterol, suppresses IL-6 production in mouse mast cells (MCs) following its engagement of the high-affinity IgE receptor (FcepsilonRI). Oxysterols 81-90 Fc receptor, IgE, high affinity I, alpha polypeptide Mus musculus 205-216 25742736-0 2015 THP1 macrophages oxidized cholesterol, generating 7-derivative oxysterols specifically released by HDL. Oxysterols 63-73 GLI family zinc finger 2 Homo sapiens 0-4 25151952-6 2015 Recent observations from experiments using selective inhibitors and studies with transgenic mice indicated a role for 11beta-HSD1 in oxysterol metabolism and in bile acid homeostasis, with evidence for glucocorticoid-independent effects on gene expression. Oxysterols 133-142 hydroxysteroid 11-beta dehydrogenase 1 Mus musculus 118-129 25218443-11 2015 All sterols that possess the iso-octyl side chain including cholesterol, oxysterols, various plant sterols could all be activators of ACAT. Oxysterols 73-83 acetyl-CoA acetyltransferase 1 Homo sapiens 134-138 25757594-3 2015 This study aimed to determine the effects on TLR4 activation of two reactive oxidized lipids carried by oxidized low-density lipoproteins, the oxysterol 27-hydroxycholesterol (27-OH) and the aldehyde 4-hydroxynonenal (HNE), both of which accumulate in atherosclerotic plaques and play a key role in the pathogenesis of atherosclerosis. Oxysterols 143-152 toll like receptor 4 Homo sapiens 45-49 25681634-1 2015 Oxysterol-binding protein (OSBP) and its homologues (ORPs) are lipid-binding/transfer proteins with affinity for oxysterols, cholesterol and glycerophospholipids. Oxysterols 113-123 oxysterol binding protein Homo sapiens 0-25 25681634-1 2015 Oxysterol-binding protein (OSBP) and its homologues (ORPs) are lipid-binding/transfer proteins with affinity for oxysterols, cholesterol and glycerophospholipids. Oxysterols 113-123 oxysterol binding protein Homo sapiens 27-31 25681634-9 2015 In conclusion, treatment with statin or oxysterol ligands modify the subcellular targeting of ORP-VAPA complexes, consistent with the notion that this machinery controls lipid homeostasis and signaling at organelle interfaces. Oxysterols 40-49 VAMP associated protein A Homo sapiens 98-102 25742736-8 2015 Incubation of THP1 macrophages with nLDL or oxLDL, induced a 2- and 100-fold increase in oxysterol production, respectively. Oxysterols 89-98 GLI family zinc finger 2 Homo sapiens 14-18 25742736-9 2015 Both oxysterols derived from LDL cholesterol and cellular cholesterol were readily exported to HDL whereas apoA1 was inefficient, showing that HDL plays a major role in the removal of excess oxysterols in THP1 macrophages. Oxysterols 5-15 GLI family zinc finger 2 Homo sapiens 205-209 25630716-0 2015 The oxysterol 27-hydroxycholesterol increases oxidative stress and regulate Nrf2 signaling pathway in astrocyte cells. Oxysterols 4-13 NFE2 like bZIP transcription factor 2 Homo sapiens 76-80 25736858-0 2015 The role of p38 MAPK in the induction of intestinal inflammation by dietary oxysterols: modulation by wine phenolics. Oxysterols 76-86 mitogen-activated protein kinase 14 Homo sapiens 12-15 25736858-4 2015 p38 MAPK activation plays a major role, while other signal branches, i.e. the JNK and ERK pathways, make minor contributions to the intestinal inflammation induced by dietary oxysterols. Oxysterols 175-185 mitogen-activated protein kinase 8 Homo sapiens 78-81 25736858-4 2015 p38 MAPK activation plays a major role, while other signal branches, i.e. the JNK and ERK pathways, make minor contributions to the intestinal inflammation induced by dietary oxysterols. Oxysterols 175-185 mitogen-activated protein kinase 1 Homo sapiens 86-89 25736858-11 2015 These findings show a major role of the NOX1/p38 MAPK/NF-kappaB signaling axis in the activation of oxysterol-dependent intestinal inflammation, and confirm the concept that phenolics act as modulators at different sites of pro-oxidant and pro-inflammatory cell signals. Oxysterols 100-109 NADPH oxidase 1 Homo sapiens 40-44 25736858-11 2015 These findings show a major role of the NOX1/p38 MAPK/NF-kappaB signaling axis in the activation of oxysterol-dependent intestinal inflammation, and confirm the concept that phenolics act as modulators at different sites of pro-oxidant and pro-inflammatory cell signals. Oxysterols 100-109 mitogen-activated protein kinase 14 Homo sapiens 45-48 26015858-2 2015 Macrophage generation of oxysterol activators of liver X receptors (LXRs), via sterol 27-hydroxylase, is regulated by the rate of flux of cholesterol to the inner mitochondrial membrane, via a complex of cholesterol trafficking proteins. Oxysterols 25-34 cytochrome P450 family 27 subfamily A member 1 Homo sapiens 79-100 25736222-3 2015 Our study shows that LXR ligands such as oxysterols, GW3965 or TO901317, as well as RXR ligands like 9cis retinoic acid or SR11237, decreased LPS-induced expression of COX-2 and mPGES-1. Oxysterols 41-51 prostaglandin-endoperoxide synthase 2 Homo sapiens 168-173 25736222-3 2015 Our study shows that LXR ligands such as oxysterols, GW3965 or TO901317, as well as RXR ligands like 9cis retinoic acid or SR11237, decreased LPS-induced expression of COX-2 and mPGES-1. Oxysterols 41-51 prostaglandin E synthase Mus musculus 178-185 26598835-5 2015 Cholesterol metabolites such as oxysterols are involved in regulating sterol metabolism by binding to the nuclear receptor, liver X receptor (LXR). Oxysterols 32-42 xenotropic and polytropic retrovirus receptor 1 Homo sapiens 130-140 25852561-3 2015 In 2011 we and another group reported the identification of 7alpha, 25-dihydroxyxcholesterol (7alpha, 25-OHC), an oxysterol, as the likely physiological ligand of EBI2. Oxysterols 114-123 G protein-coupled receptor 183 Homo sapiens 163-167 25523141-8 2015 Oxysterol combinations also increased protein levels of mitochondrial respiratory complexes I-V. We also found that SS treatment increased hedgehog signaling target genes, Smo and Gli1 expression. Oxysterols 0-9 smoothened, frizzled class receptor Mus musculus 172-175 25523141-8 2015 Oxysterol combinations also increased protein levels of mitochondrial respiratory complexes I-V. We also found that SS treatment increased hedgehog signaling target genes, Smo and Gli1 expression. Oxysterols 0-9 GLI-Kruppel family member GLI1 Mus musculus 180-184 25523141-10 2015 Subsequently, oxysterol-induced Wnt/beta-catenin pathways were inhibited by repression of Hh signaling and mitochondrial biogenesis. Oxysterols 14-23 catenin (cadherin associated protein), beta 1 Mus musculus 36-48 25600868-5 2015 Conversely, FMO3 knockdown exacerbates hepatic endoplasmic reticulum (ER) stress and inflammation in part by decreasing hepatic oxysterol levels and subsequent LXR activation. Oxysterols 128-137 flavin containing monooxygenase 3 Mus musculus 12-16 25618030-13 2015 CONCLUSIONS: CD1d acts as a cell surface receptor that recognizes and binds oxysterols and initializes a pathway connecting oxysterol binding to PPARgamma activation. Oxysterols 76-86 CD1d molecule Homo sapiens 13-17 25618030-13 2015 CONCLUSIONS: CD1d acts as a cell surface receptor that recognizes and binds oxysterols and initializes a pathway connecting oxysterol binding to PPARgamma activation. Oxysterols 76-86 peroxisome proliferator activated receptor gamma Homo sapiens 145-154 25618030-13 2015 CONCLUSIONS: CD1d acts as a cell surface receptor that recognizes and binds oxysterols and initializes a pathway connecting oxysterol binding to PPARgamma activation. Oxysterols 76-85 CD1d molecule Homo sapiens 13-17 25618030-13 2015 CONCLUSIONS: CD1d acts as a cell surface receptor that recognizes and binds oxysterols and initializes a pathway connecting oxysterol binding to PPARgamma activation. Oxysterols 76-85 peroxisome proliferator activated receptor gamma Homo sapiens 145-154 25095726-12 2015 CONCLUSION: Whilst acknowledging the limitations of this study, we conclude that screening ID children and adolescents with oxysterol tests compared to current practice for the diagnosis of NP-C is a dominant strategy with clinical and economic benefits. Oxysterols 124-133 NPC intracellular cholesterol transporter 1 Homo sapiens 190-194 25834900-3 2010 An exciting new development in the field is the revelation of a novel chemotactic axis involving the recognition of oxysterol compounds by the orphan G-protein-coupled receptor (GPCR), Epstein-Barr virus-induced gene 2 (EBI2). Oxysterols 116-125 G protein-coupled receptor 183 Homo sapiens 220-224 25834900-6 2010 Most recently, two research teams made the unlikely discovery that oxysterol compounds, previously known to bind nuclear receptors, are the physiologic ligands for EBI2. Oxysterols 67-76 G protein-coupled receptor 183 Homo sapiens 164-168 25165144-4 2014 We show here that in yeast the oxysterol-binding proteins Osh1-Osh7 are collectively needed to maintain the normal distribution of PI4P and that Osh4p is critical in this function. Oxysterols 31-40 oxysterol-binding protein related protein SWH1 Saccharomyces cerevisiae S288C 58-62 25266234-9 2014 While oxysterol treatment increased caspase 3 activity, cell death was not rescued in its absence. Oxysterols 6-15 caspase 3 Homo sapiens 36-45 25218961-7 2014 Total oxysterols significantly decreased as HO-1 expression increased in GFAP.HMOX1 mice expressing high levels of HO-1, whereas total oxysterols increased as HO-1 expression increased in aged 3xTg-AD mice. Oxysterols 6-16 glial fibrillary acidic protein Mus musculus 73-77 25772320-9 2015 In two of these patients, the positive oxysterol result led to a rapid diagnosis of NPC2 by genetic analysis. Oxysterols 39-48 NPC intracellular cholesterol transporter 2 Homo sapiens 84-88 25152366-4 2014 Similarly, oxysterols promiscuously operate CXCR2, a chemokine receptor participating to immune reactions and cancer development. Oxysterols 11-21 C-X-C motif chemokine receptor 2 Homo sapiens 44-49 25110320-3 2014 A net up-regulation of survival signaling, involving the extracellular signal-regulated kinase (ERK) and phosphoinositide 3-kinase (PI3K)/Akt phosphorylation pathways, was observed in U937 promonocytic cells cultivated over time in the presence of a low micromolar concentration of the oxysterol. Oxysterols 286-295 mitogen-activated protein kinase 1 Homo sapiens 57-94 25110320-5 2014 In turn, stimulation of ERK and PI3K/Akt both significantly quenched ROS steady state and markedly phosphorylated Bad, thereby determining a marked delay of the oxysterol s proapoptotic action. Oxysterols 161-170 mitogen-activated protein kinase 1 Homo sapiens 24-27 25110320-5 2014 In turn, stimulation of ERK and PI3K/Akt both significantly quenched ROS steady state and markedly phosphorylated Bad, thereby determining a marked delay of the oxysterol s proapoptotic action. Oxysterols 161-170 AKT serine/threonine kinase 1 Homo sapiens 37-40 25339664-4 2014 Loss of ABCG1 results in increased levels of specific oxysterols, phosphatidylcholines, and oxidized phospholipids, including 1-palmitoyl-2-(5"-oxovaleroyl)-sn-glycero-3-phosphocholine, in the lungs. Oxysterols 54-64 ATP binding cassette subfamily G member 1 Mus musculus 8-13 25134999-0 2014 Oxysterols synergize with statins by inhibiting SREBP-2 in ovarian cancer cells. Oxysterols 0-10 sterol regulatory element binding transcription factor 2 Homo sapiens 48-55 25134999-6 2014 siRNA-mediated gene silencing was used to test the involvement of oxysterol-mediated repression of SREBP-2 in STOX synergy. Oxysterols 66-75 sterol regulatory element binding transcription factor 2 Homo sapiens 99-106 25165144-4 2014 We show here that in yeast the oxysterol-binding proteins Osh1-Osh7 are collectively needed to maintain the normal distribution of PI4P and that Osh4p is critical in this function. Oxysterols 31-40 oxysterol-binding protein related protein OSH7 Saccharomyces cerevisiae S288C 63-67 25165144-4 2014 We show here that in yeast the oxysterol-binding proteins Osh1-Osh7 are collectively needed to maintain the normal distribution of PI4P and that Osh4p is critical in this function. Oxysterols 31-40 oxysterol-binding protein KES1 Saccharomyces cerevisiae S288C 145-150 24891333-8 2014 In addition to reducing the cholesteryl ester content of foam cells, Nceh1 may protect against the pro-apoptotic effect of oxysterols and modulate the development of atherosclerosis. Oxysterols 123-133 neutral cholesterol ester hydrolase 1 Mus musculus 69-74 25255963-3 2014 Oxysterols are products of cholesterol oxidation that accumulate in conditions associated with increased cellular levels of reactive oxygen species, such as hypoxia and oxidative stress, activating LXR and inhibiting SREBP2. Oxysterols 0-10 sterol regulatory element binding transcription factor 2 Homo sapiens 217-223 26461396-4 2014 Regarding atherosclerosis, we have observed that oxysterols can contribute to plaque instability and rupture by enhancing inflammatory responses and matrix turnover through an unbalanced up-regulation of MMP-9. Oxysterols 49-59 matrix metallopeptidase 9 Homo sapiens 204-209 26461396-5 2014 Concerning AD, we have demonstrated that oxysterols may promote neuroinflammatory changes and accelerate APP processing toward beta-amyloid production by up-regulating APP and BACE1 protein levels. Oxysterols 41-51 beta-secretase 1 Homo sapiens 176-181 25255026-1 2014 Oxysterol binding protein (OSBP) and OSBP-related proteins (ORPS) have a conserved lipid-binding fold that accommodates cholesterol, oxysterols and/or phospholipids. Oxysterols 133-143 oxysterol binding protein Homo sapiens 0-25 25255026-1 2014 Oxysterol binding protein (OSBP) and OSBP-related proteins (ORPS) have a conserved lipid-binding fold that accommodates cholesterol, oxysterols and/or phospholipids. Oxysterols 133-143 oxysterol binding protein Homo sapiens 27-31 25255026-1 2014 Oxysterol binding protein (OSBP) and OSBP-related proteins (ORPS) have a conserved lipid-binding fold that accommodates cholesterol, oxysterols and/or phospholipids. Oxysterols 133-143 oxysterol binding protein Homo sapiens 37-41 24881998-7 2014 Next, Bmi1 function was replaced with Shh activators (oxysterol and purmorphamine), which demonstrating that combinations of small molecules can compensate for reprogramming factors and are sufficient to directly reprogram mouse somatic cells into iPSLCs. Oxysterols 54-63 sonic hedgehog Mus musculus 38-41 25201972-7 2014 Resequencing, expression analysis, and biochemical experiments focused on one such locus (CYP39A1), revealed multiple loss-of-function alleles with additive effects on serum levels of the oxysterol, 24S-hydroxycholesterol, a substrate of the encoded enzyme. Oxysterols 188-197 cytochrome P450 family 39 subfamily A member 1 Homo sapiens 90-97 25043692-3 2014 Recently oxysterols, which activate the Liver X Receptor (LXR), have been implicated in producing sEng, by upregulating matrix metalloproteinase-14 (MMP14; cleaves endoglin to produce sEng) and down-regulating tissue inhibitor of metalloproteinase-3 (TIMP-3; inhibitor of MMP14). Oxysterols 9-19 matrix metallopeptidase 14 Homo sapiens 120-147 25043692-3 2014 Recently oxysterols, which activate the Liver X Receptor (LXR), have been implicated in producing sEng, by upregulating matrix metalloproteinase-14 (MMP14; cleaves endoglin to produce sEng) and down-regulating tissue inhibitor of metalloproteinase-3 (TIMP-3; inhibitor of MMP14). Oxysterols 9-19 matrix metallopeptidase 14 Homo sapiens 149-154 25043692-3 2014 Recently oxysterols, which activate the Liver X Receptor (LXR), have been implicated in producing sEng, by upregulating matrix metalloproteinase-14 (MMP14; cleaves endoglin to produce sEng) and down-regulating tissue inhibitor of metalloproteinase-3 (TIMP-3; inhibitor of MMP14). Oxysterols 9-19 endoglin Homo sapiens 164-172 25043692-3 2014 Recently oxysterols, which activate the Liver X Receptor (LXR), have been implicated in producing sEng, by upregulating matrix metalloproteinase-14 (MMP14; cleaves endoglin to produce sEng) and down-regulating tissue inhibitor of metalloproteinase-3 (TIMP-3; inhibitor of MMP14). Oxysterols 9-19 TIMP metallopeptidase inhibitor 3 Homo sapiens 210-249 25043692-3 2014 Recently oxysterols, which activate the Liver X Receptor (LXR), have been implicated in producing sEng, by upregulating matrix metalloproteinase-14 (MMP14; cleaves endoglin to produce sEng) and down-regulating tissue inhibitor of metalloproteinase-3 (TIMP-3; inhibitor of MMP14). Oxysterols 9-19 TIMP metallopeptidase inhibitor 3 Homo sapiens 251-257 25043692-3 2014 Recently oxysterols, which activate the Liver X Receptor (LXR), have been implicated in producing sEng, by upregulating matrix metalloproteinase-14 (MMP14; cleaves endoglin to produce sEng) and down-regulating tissue inhibitor of metalloproteinase-3 (TIMP-3; inhibitor of MMP14). Oxysterols 9-19 matrix metallopeptidase 14 Homo sapiens 272-277 24928400-5 2014 Here, we disclose detailed structure-activity relationships of oxysterol derivatives as pharmacological chaperones for NPC1(I1061T) mutant. Oxysterols 63-72 NPC intracellular cholesterol transporter 1 Homo sapiens 119-123 24833118-2 2014 Efficient oxysterol removal by the sub-family G member 1 of the ATP-binding cassette transporters (ABCG1) is essential for cell survival and control of cellular processes. Oxysterols 10-19 ATP binding cassette subfamily G member 1 Mus musculus 99-104 25072708-2 2014 In the present study, we report the discovery of a novel regulatory sulfated oxysterol in nuclei of primary rat hepatocytes after overexpression of the gene encoding mitochondrial cholesterol delivery protein (StarD1). Oxysterols 77-86 steroidogenic acute regulatory protein Rattus norvegicus 210-216 25072708-3 2014 Forty-eight hours after infection of the hepatocytes with recombinant StarD1 adenovirus, a water-soluble oxysterol product was isolated and purified by chemical extraction and reverse-phase HPLC. Oxysterols 105-114 steroidogenic acute regulatory protein Homo sapiens 70-76 24906511-4 2014 As an extension of that work, we aimed here to find non-steroidal NPC1L1 ligands, which may be better candidates for clinical application than steroidal ligands, by using the same assay to screen our focused library of ligands for liver X receptor (LXR), a nuclear receptor that recognizes oxysterols as endogenous ligands. Oxysterols 290-300 NPC1 like intracellular cholesterol transporter 1 Homo sapiens 66-72 24833118-4 2014 Here, we examined the involvement of ABCG1 in the oxysterol metabolism by studying oxysterol tissue levels in a mouse model of Abcg1-deficiency. Oxysterols 50-59 ATP binding cassette subfamily G member 1 Mus musculus 37-42 24777958-4 2014 LXR-dependent oxysterol effects can be ascribed to the activation of LXRalpha, LXRbeta or LXRalphabeta isoforms, which induces transcriptional activation or trans-repression of target genes. Oxysterols 14-23 nuclear receptor subfamily 1 group H member 3 Homo sapiens 69-77 24954418-2 2014 27-hydroxycholesterol (27HC) is an abundant oxysterol metabolized by CYP7B1. Oxysterols 44-53 cytochrome P450, family 7, subfamily b, polypeptide 1 Mus musculus 69-75 24954418-1 2014 Oxysterols are cholesterol metabolites that serve multiple functions in lipid metabolism, including as liver X receptor (LXR) ligands. Oxysterols 0-10 nuclear receptor subfamily 1, group H, member 3 Mus musculus 103-119 24954418-1 2014 Oxysterols are cholesterol metabolites that serve multiple functions in lipid metabolism, including as liver X receptor (LXR) ligands. Oxysterols 0-10 nuclear receptor subfamily 1, group H, member 3 Mus musculus 121-124 24810762-9 2014 We also summarize the structural and functional properties of EBI2 interaction with oxysterol agonists and small molecule antagonists and discuss EBI2 as therapeutic target for diseases of the immune system. Oxysterols 84-93 G protein-coupled receptor 183 Homo sapiens 62-66 24777958-4 2014 LXR-dependent oxysterol effects can be ascribed to the activation of LXRalpha, LXRbeta or LXRalphabeta isoforms, which induces transcriptional activation or trans-repression of target genes. Oxysterols 14-23 nuclear receptor subfamily 1 group H member 2 Homo sapiens 79-86 24620755-0 2014 The enzyme lecithin-cholesterol acyltransferase esterifies cerebrosterol and limits the toxic effect of this oxysterol on SH-SY5Y cells. Oxysterols 109-118 lecithin-cholesterol acyltransferase Homo sapiens 11-47 24620755-9 2014 These results suggest that the enzyme, in the presence of the apolipoproteins, converts 24(S)OH-C into esters restricted to the extracellular environment, thus preventing or limiting oxysterol-induced neurotoxic injuries to neurons in culture. Oxysterols 183-192 apolipoprotein E Homo sapiens 62-77 25228229-9 2014 Either in the presence or absence of calcium i) oxysterols inhibited APLT, ii) staurosporin, calphostin C, Z-DEVD-FMK blunted and iii) antioxidants fully prevented the oxysterol-induced PS externalization. Oxysterols 48-58 ATPase phospholipid transporting 8A1 Homo sapiens 69-73 24612036-3 2014 The challenge of differentiated SK-N-BE human neuroblastoma cells with patho-physiologically relevant amounts of 27-OH and 24-OH showed that both oxysterols induce a net synthesis of Abeta1-42 by up-regulating expression levels of amyloid precursor protein and beta-secretase, as well as the beta-secretase activity. Oxysterols 146-156 amyloid beta precursor protein Homo sapiens 231-256 24612036-5 2014 The reported findings link an impaired cholesterol oxidative metabolism to an excessive beta-amyloidogenesis and point to NAC as an efficient inhibitor of oxysterols-induced Abeta toxic peptide accumulation in the brain. Oxysterols 155-165 amyloid beta precursor protein Homo sapiens 174-179 24480442-1 2014 Oxysterols such as 7 alpha, 25-dihydroxycholesterol (7alpha,25-OHC) are natural ligands for the Epstein-Barr virus (EBV)-induced gene 2 (EBI2, aka GPR183), a G protein-coupled receptor (GPCR) highly expressed in immune cells and required for adaptive immune responses. Oxysterols 0-10 G protein-coupled receptor 183 Homo sapiens 137-141 24480442-7 2014 Supernatants of LPS-stimulated macrophages are able to stimulate EBI2 signaling indicating that an induction of CH25H, CYP27A1, and CYP7B1 results in an enhanced production and release of oxysterols into the cellular environment. Oxysterols 188-198 G protein-coupled receptor 183 Homo sapiens 65-69 24480442-7 2014 Supernatants of LPS-stimulated macrophages are able to stimulate EBI2 signaling indicating that an induction of CH25H, CYP27A1, and CYP7B1 results in an enhanced production and release of oxysterols into the cellular environment. Oxysterols 188-198 cholesterol 25-hydroxylase Homo sapiens 112-117 24480442-7 2014 Supernatants of LPS-stimulated macrophages are able to stimulate EBI2 signaling indicating that an induction of CH25H, CYP27A1, and CYP7B1 results in an enhanced production and release of oxysterols into the cellular environment. Oxysterols 188-198 cytochrome P450 family 27 subfamily A member 1 Homo sapiens 119-126 24480442-7 2014 Supernatants of LPS-stimulated macrophages are able to stimulate EBI2 signaling indicating that an induction of CH25H, CYP27A1, and CYP7B1 results in an enhanced production and release of oxysterols into the cellular environment. Oxysterols 188-198 cytochrome P450 family 7 subfamily B member 1 Homo sapiens 132-138 24491562-0 2014 Oxysterols in the brain of the cholesterol 24-hydroxylase knockout mouse. Oxysterols 0-10 cytochrome P450, family 46, subfamily a, polypeptide 1 Mus musculus 31-57 24424245-0 2014 OSBP-related protein 8 (ORP8) interacts with Homo sapiens sperm associated antigen 5 (SPAG5) and mediates oxysterol interference of HepG2 cell cycle. Oxysterols 106-115 oxysterol binding protein like 8 Homo sapiens 0-22 24424245-0 2014 OSBP-related protein 8 (ORP8) interacts with Homo sapiens sperm associated antigen 5 (SPAG5) and mediates oxysterol interference of HepG2 cell cycle. Oxysterols 106-115 oxysterol binding protein like 8 Homo sapiens 24-28 24424245-0 2014 OSBP-related protein 8 (ORP8) interacts with Homo sapiens sperm associated antigen 5 (SPAG5) and mediates oxysterol interference of HepG2 cell cycle. Oxysterols 106-115 sperm associated antigen 5 Homo sapiens 58-84 24491228-2 2014 CYP7B1 catalyzes the 6- or 7-hydroxylation of both steroids and oxysterols and thus is involved in the metabolism of neurosteroids and bile acid synthesis, respectively. Oxysterols 64-74 cytochrome P450 family 7 subfamily B member 1 Homo sapiens 0-6 23896203-10 2014 In addition, analyzing a mouse SLOS model revealed that feeding a vitamin E enriched diet to pregnant female mice led to a decrease in oxysterol formation in brain and liver tissues of the newborn Dhcr7-knockout pups. Oxysterols 135-144 7-dehydrocholesterol reductase Mus musculus 197-202 24370436-5 2014 27-Hydroxycholesterol and 7alpha-hydroxycholesterol, cholesterol oxides (oxysterols) detected in abundance in atherosclerotic lesions, greatly induced the transcription of CCL3 and CCL4 genes in addition to enhancing secretion of corresponding proteins by THP-1 monocytic cells. Oxysterols 73-83 chemokine (C-C motif) ligand 3 Mus musculus 172-176 24370436-5 2014 27-Hydroxycholesterol and 7alpha-hydroxycholesterol, cholesterol oxides (oxysterols) detected in abundance in atherosclerotic lesions, greatly induced the transcription of CCL3 and CCL4 genes in addition to enhancing secretion of corresponding proteins by THP-1 monocytic cells. Oxysterols 73-83 chemokine (C-C motif) ligand 4 Mus musculus 181-185 24963104-5 2014 The objective of the present study was to determine the contribution of the oxysterol-induced pro-apoptotic transcription factor CCAAT/enhancer-binding protein homologous protein (CHOP) on the pathogenesis of CKD-dependent cardiovascular diseases through endoplasmic reticulum stress signaling. Oxysterols 76-85 DNA damage inducible transcript 3 Homo sapiens 129-178 24963104-5 2014 The objective of the present study was to determine the contribution of the oxysterol-induced pro-apoptotic transcription factor CCAAT/enhancer-binding protein homologous protein (CHOP) on the pathogenesis of CKD-dependent cardiovascular diseases through endoplasmic reticulum stress signaling. Oxysterols 76-85 DNA damage inducible transcript 3 Homo sapiens 180-184 24963104-9 2014 The short hairpin RNA-mediated knockdown of CHOP and activating transcription factor-4 in vascular smooth muscle cells attenuated oxysterol-induced mineralization, osteogenic differentiation, and endoplasmic reticulum stress. Oxysterols 130-139 DNA damage inducible transcript 3 Homo sapiens 44-48 24963104-9 2014 The short hairpin RNA-mediated knockdown of CHOP and activating transcription factor-4 in vascular smooth muscle cells attenuated oxysterol-induced mineralization, osteogenic differentiation, and endoplasmic reticulum stress. Oxysterols 130-139 activating transcription factor 4 Homo sapiens 53-86 24671012-5 2014 Treatment of macrophages with oxysterols or loading with modified LDL induces LBP in an LXR-dependent manner, suggesting a potential role for LBP in the cellular response to cholesterol overload. Oxysterols 30-40 lipopolysaccharide binding protein Homo sapiens 78-81 24671012-5 2014 Treatment of macrophages with oxysterols or loading with modified LDL induces LBP in an LXR-dependent manner, suggesting a potential role for LBP in the cellular response to cholesterol overload. Oxysterols 30-40 lipopolysaccharide binding protein Homo sapiens 142-145 24491562-3 2014 Despite a great reduction in the abundance of 24S-hydroxycholesterol, the dominant metabolite of cholesterol in wild type brain, no other cholesterol metabolite was found to quantitatively replace this oxysterol in the Cyp46a1-/- mouse. Oxysterols 202-211 cytochrome P450, family 46, subfamily a, polypeptide 1 Mus musculus 219-226 24625033-6 2014 By comparing the oxysterol profile formed from 7-DHC and those formed from 8-DHC and 5,8(14)-dienol, products formed from abstraction of the hydrogen atoms at C-9 and C-14 (H-9 or H-14 mechanism) were clearly differentiated. Oxysterols 17-26 complement C9 Homo sapiens 159-162 24491228-7 2014 Metabolic conversion (deactivation) of oxysterols by CYP7B1 in a reconstituted system proceeds via two sequential hydroxylations. Oxysterols 39-49 cytochrome P450 family 7 subfamily B member 1 Homo sapiens 53-59 24280213-5 2014 The oxysterol 27-hydroxycholesterol (27HC), synthesized by the mitochondrial enzyme CYP27A1, was identified as one of the major de novo adipocyte products from cholesterol and its precursor mevalonate. Oxysterols 4-13 cytochrome P450 family 27 subfamily A member 1 Homo sapiens 84-91 25228229-9 2014 Either in the presence or absence of calcium i) oxysterols inhibited APLT, ii) staurosporin, calphostin C, Z-DEVD-FMK blunted and iii) antioxidants fully prevented the oxysterol-induced PS externalization. Oxysterols 48-57 ATPase phospholipid transporting 8A1 Homo sapiens 69-73 24320932-1 2013 ATP-binding cassette transporter G1 (ABCG1) mediates cholesterol and oxysterol efflux onto lipidated lipoproteins and plays an important role in macrophage reverse cholesterol transport. Oxysterols 69-78 ATP binding cassette subfamily G member 1 Homo sapiens 0-35 24672716-8 2014 Interestingly, the appearance of the large HDL1 lipoprotein was observed with increased oxysterol synthesis during obesity. Oxysterols 88-97 high density lipoprotein (HDL) level 1 Mus musculus 43-47 24320932-1 2013 ATP-binding cassette transporter G1 (ABCG1) mediates cholesterol and oxysterol efflux onto lipidated lipoproteins and plays an important role in macrophage reverse cholesterol transport. Oxysterols 69-78 ATP binding cassette subfamily G member 1 Homo sapiens 37-42 24163426-8 2013 Inhibiting ACAT2 leads to the intracellular accumulation of unesterified oxysterols and suppresses the growth of both HCC cell lines and their xenograft tumors. Oxysterols 73-83 acetyl-CoA acetyltransferase 2 Homo sapiens 11-16 24171105-2 2013 We present the 2.3 A crystal structure of the extracellular cysteine rich domain (CRD) of vertebrate Smo and show that it binds to oxysterols, endogenous lipids that activate Hh signaling. Oxysterols 131-141 smoothened, frizzled class receptor Homo sapiens 101-104 23800382-0 2013 The effect of oxysterols on the interaction of Alzheimer"s amyloid beta with model membranes. Oxysterols 14-24 amyloid beta precursor protein Homo sapiens 59-71 23800382-2 2013 However, the effect of cholesterol and its oxidized derivatives, oxysterols, on Abeta-induced neurotoxicity to membranes is not fully understood. Oxysterols 65-75 amyloid beta precursor protein Homo sapiens 80-85 23800382-4 2013 Our results have indicated that oxysterols rendered membranes more sensitive to Abeta, in contrast to role of cholesterol in inhibiting Abeta/membrane interaction. Oxysterols 32-42 amyloid beta precursor protein Homo sapiens 80-85 23800382-8 2013 These findings suggest the enhancing effect of oxysterols on interaction of Abeta with membranes and contribute to clarify the harmful impact of cholesterol on Abeta-induced neurotoxicity by means of its oxidation. Oxysterols 47-57 amyloid beta precursor protein Homo sapiens 76-81 24171105-3 2013 The oxysterol-binding groove in the Smo CRD is analogous to that used by Frizzled 8 to bind to the palmitoleyl group of Wnt ligands and to similar pockets used by other Frizzled-like CRDs to bind hydrophobic ligands. Oxysterols 4-13 smoothened, frizzled class receptor Homo sapiens 36-39 24171105-5 2013 Indeed, targeting of the Smo CRD by oxysterol-inspired small molecules can block signaling by all known classes of Hh activators and by clinically relevant Smo mutants. Oxysterols 36-45 smoothened, frizzled class receptor Homo sapiens 25-28 24171105-5 2013 Indeed, targeting of the Smo CRD by oxysterol-inspired small molecules can block signaling by all known classes of Hh activators and by clinically relevant Smo mutants. Oxysterols 36-45 smoothened, frizzled class receptor Homo sapiens 156-159 23729662-0 2013 Oxysterol-induced apoptosis of smooth muscle cells is under the control of a soluble adenylyl cyclase. Oxysterols 0-9 adenylate cyclase 10 Rattus norvegicus 77-101 23979132-10 2013 Nevertheless, cholesterol-free oxLDL and unmodified cholesterol (20 mug/ml) induce only HAS3 transcription, whereas 22,oxysterol affects both HAS2 and HAS3. Oxysterols 119-128 hyaluronan synthase 2 Homo sapiens 142-146 23979132-10 2013 Nevertheless, cholesterol-free oxLDL and unmodified cholesterol (20 mug/ml) induce only HAS3 transcription, whereas 22,oxysterol affects both HAS2 and HAS3. Oxysterols 119-128 hyaluronan synthase 3 Homo sapiens 151-155 23831332-3 2013 Prolonged application of oxysterol significantly enhanced LPS-stimulated association of cytosolic NADPH-oxidase factor p47[phox] with detergent-resistant microdomains (DRMs) in BV-2 cells. Oxysterols 25-34 NSFL1 (p97) cofactor (p47) Mus musculus 119-122 24069433-7 2013 Expression of ORP4S, an ORP4 variant that lacked the N-terminal pleckstrin-homology domain but contained the C-terminal oxysterol-binding domain also inhibited HCV replication, pointing to an important role of the oxysterol-binding domain in ORP4-mediated inhibition of HCV replication. Oxysterols 120-129 oxysterol binding protein 2 Homo sapiens 14-18 24069433-7 2013 Expression of ORP4S, an ORP4 variant that lacked the N-terminal pleckstrin-homology domain but contained the C-terminal oxysterol-binding domain also inhibited HCV replication, pointing to an important role of the oxysterol-binding domain in ORP4-mediated inhibition of HCV replication. Oxysterols 214-223 oxysterol binding protein 2 Homo sapiens 14-18 23729662-9 2013 sAC expression in the cytosol, but not in mitochondria, significantly promoted apoptosis and ROS formation during oxysterol treatment. Oxysterols 114-123 adenylate cyclase 10 Rattus norvegicus 0-3 23729662-10 2013 CONCLUSION: These results suggest that the sAC/PKA axis plays a key role in the oxysterol-induced apoptosis of VSMC by controlling mitochondrial Bax translocation and ROS formation and that cytosolic sAC, rather than the mitochondrial pool, is involved in the apoptotic mechanism. Oxysterols 80-89 adenylate cyclase 10 Rattus norvegicus 43-46 23729662-10 2013 CONCLUSION: These results suggest that the sAC/PKA axis plays a key role in the oxysterol-induced apoptosis of VSMC by controlling mitochondrial Bax translocation and ROS formation and that cytosolic sAC, rather than the mitochondrial pool, is involved in the apoptotic mechanism. Oxysterols 80-89 protein kinase cAMP-activated catalytic subunit alpha Rattus norvegicus 47-50 23729662-10 2013 CONCLUSION: These results suggest that the sAC/PKA axis plays a key role in the oxysterol-induced apoptosis of VSMC by controlling mitochondrial Bax translocation and ROS formation and that cytosolic sAC, rather than the mitochondrial pool, is involved in the apoptotic mechanism. Oxysterols 80-89 BCL2 associated X, apoptosis regulator Rattus norvegicus 145-148 23729662-5 2013 Oxysterols treatment led to the activation of the mitochondrial pathway of apoptosis (cytochrome c release and caspase-9 cleavage) and mitochondrial ROS formation, which were suppressed by the pharmacological inhibition or knockdown of sAC. Oxysterols 0-10 caspase 9 Rattus norvegicus 111-120 23729662-5 2013 Oxysterols treatment led to the activation of the mitochondrial pathway of apoptosis (cytochrome c release and caspase-9 cleavage) and mitochondrial ROS formation, which were suppressed by the pharmacological inhibition or knockdown of sAC. Oxysterols 0-10 adenylate cyclase 10 Rattus norvegicus 236-239 23729662-7 2013 Analyses of the downstream pathway suggest that protein kinase A (PKA)-dependent phosphorylation and the mitochondrial translocation of the pro-apoptotic protein Bax is a key link between sAC and oxysterol-induced ROS formation and apoptosis. Oxysterols 196-205 protein kinase cAMP-activated catalytic subunit alpha Rattus norvegicus 48-64 23729662-7 2013 Analyses of the downstream pathway suggest that protein kinase A (PKA)-dependent phosphorylation and the mitochondrial translocation of the pro-apoptotic protein Bax is a key link between sAC and oxysterol-induced ROS formation and apoptosis. Oxysterols 196-205 protein kinase cAMP-activated catalytic subunit alpha Rattus norvegicus 66-69 23729662-7 2013 Analyses of the downstream pathway suggest that protein kinase A (PKA)-dependent phosphorylation and the mitochondrial translocation of the pro-apoptotic protein Bax is a key link between sAC and oxysterol-induced ROS formation and apoptosis. Oxysterols 196-205 BCL2 associated X, apoptosis regulator Rattus norvegicus 162-165 23729662-7 2013 Analyses of the downstream pathway suggest that protein kinase A (PKA)-dependent phosphorylation and the mitochondrial translocation of the pro-apoptotic protein Bax is a key link between sAC and oxysterol-induced ROS formation and apoptosis. Oxysterols 196-205 adenylate cyclase 10 Rattus norvegicus 188-191 23665353-8 2013 The rapid inhibition of platelet reactivity to collagen by natural and pharmacologic LXR agonists offers a mechanism that could attenuate platelet activation by denuded plaques that expose collagen and LXR agonistic oxysterols. Oxysterols 216-226 nuclear receptor subfamily 1, group H, member 3 Mus musculus 85-88 23831757-3 2013 We developed azasterols that block Hh signaling by binding the oxysterol-binding site of Smo. Oxysterols 63-72 smoothened, frizzled class receptor Homo sapiens 89-92 23831757-4 2013 We show that the binding site for oxysterols and azasterols maps to the extracellular, cysteine-rich domain of Smo and is completely separable from the site bound by other small-molecule modulators, located within the heptahelical bundle of Smo. Oxysterols 34-44 smoothened, frizzled class receptor Homo sapiens 111-114 23831757-4 2013 We show that the binding site for oxysterols and azasterols maps to the extracellular, cysteine-rich domain of Smo and is completely separable from the site bound by other small-molecule modulators, located within the heptahelical bundle of Smo. Oxysterols 34-44 smoothened, frizzled class receptor Homo sapiens 241-244 23831757-5 2013 Smo mutants in which oxysterol binding is abolished no longer respond to oxysterols and cannot be maximally activated by the Hh ligand. Oxysterols 21-30 smoothened, frizzled class receptor Homo sapiens 0-3 23831757-5 2013 Smo mutants in which oxysterol binding is abolished no longer respond to oxysterols and cannot be maximally activated by the Hh ligand. Oxysterols 73-83 smoothened, frizzled class receptor Homo sapiens 0-3 23831757-6 2013 Our results show that oxysterol binding to vertebrate Smo is required for normal Hh signaling and that targeting the oxysterol-binding site is an effective strategy to inhibit Smo. Oxysterols 22-31 smoothened, frizzled class receptor Homo sapiens 54-57 23831757-6 2013 Our results show that oxysterol binding to vertebrate Smo is required for normal Hh signaling and that targeting the oxysterol-binding site is an effective strategy to inhibit Smo. Oxysterols 22-31 smoothened, frizzled class receptor Homo sapiens 176-179 23831757-6 2013 Our results show that oxysterol binding to vertebrate Smo is required for normal Hh signaling and that targeting the oxysterol-binding site is an effective strategy to inhibit Smo. Oxysterols 117-126 smoothened, frizzled class receptor Homo sapiens 176-179 23954590-2 2013 Exogenous Smo ligands previously identified include the plant sterol cyclopamine (and its therapeutically useful synthetic mimics) and hydroxylated cholesterol derivatives (oxysterols); Smo is also highly sensitive to cellular sterol levels. Oxysterols 173-183 smoothened, frizzled class receptor Homo sapiens 10-13 23954590-2 2013 Exogenous Smo ligands previously identified include the plant sterol cyclopamine (and its therapeutically useful synthetic mimics) and hydroxylated cholesterol derivatives (oxysterols); Smo is also highly sensitive to cellular sterol levels. Oxysterols 173-183 smoothened, frizzled class receptor Homo sapiens 186-189 23954590-4 2013 We identify the conserved extracellular cysteine-rich domain (CRD) as the site of action for oxysterols on Smo, involving residues structurally analogous to those contacting the Wnt lipid adduct in the homologous Frizzled CRD; this modulatory effect is distinct from that of cyclopamine mimics, from Hh-mediated regulation, and from the permissive action of cellular sterol pools. Oxysterols 93-103 smoothened, frizzled class receptor Homo sapiens 107-110 23665353-8 2013 The rapid inhibition of platelet reactivity to collagen by natural and pharmacologic LXR agonists offers a mechanism that could attenuate platelet activation by denuded plaques that expose collagen and LXR agonistic oxysterols. Oxysterols 216-226 nuclear receptor subfamily 1, group H, member 3 Mus musculus 202-205 23524238-6 2013 For example, ABC transporters have been shown to protect against the harmful effects of hypoxia and oxidative stress through increased expression and efflux of oxysterols and glutathione conjugated xenobiotics. Oxysterols 160-170 ATP binding cassette subfamily B member 6 (Langereis blood group) Homo sapiens 13-16 23791945-0 2013 Structure of Osh3 reveals a conserved mode of phosphoinositide binding in oxysterol-binding proteins. Oxysterols 74-83 oxysterol-binding protein related protein OSH3 Saccharomyces cerevisiae S288C 13-17 23583258-3 2013 This report concerns the marked up-regulation in differentiated CaCo-2 colonic epithelial cells of two key inflammatory interleukins, IL-6 and IL-8, caused by a mixture of oxysterols representative of a high cholesterol diet. Oxysterols 172-182 interleukin 6 Homo sapiens 134-138 23583258-3 2013 This report concerns the marked up-regulation in differentiated CaCo-2 colonic epithelial cells of two key inflammatory interleukins, IL-6 and IL-8, caused by a mixture of oxysterols representative of a high cholesterol diet. Oxysterols 172-182 C-X-C motif chemokine ligand 8 Homo sapiens 143-147 23583258-6 2013 Oxysterol-dependent NOX1 activation, as well as interleukin synthesis, were completely prevented by Cannonau red wine extract that contains an abundant phenolic fraction, in particular phenolic acids and flavonoids. Oxysterols 0-9 NADPH oxidase 1 Homo sapiens 20-24 23583258-9 2013 Besides this direct activity, an excess of phenolic compounds detectable in red wine, may exert an additional indirect action by blocking oxysterol-related NOX1 induction, thus totally preventing the pro-oxidant and pro-inflammatory events triggered by dietary oxysterols. Oxysterols 138-147 NADPH oxidase 1 Homo sapiens 156-160 24069554-6 2013 STAT1 was shown to be the most essential transcriptional factor involved in the induction of cholesterol 25-hydroxylase (Ch25h), the enzyme required to produce 25HC, indicating the importance of STAT1 in oxysterol-mediated innate immunity. Oxysterols 204-213 signal transducer and activator of transcription 1 Homo sapiens 0-5 24069554-6 2013 STAT1 was shown to be the most essential transcriptional factor involved in the induction of cholesterol 25-hydroxylase (Ch25h), the enzyme required to produce 25HC, indicating the importance of STAT1 in oxysterol-mediated innate immunity. Oxysterols 204-213 cholesterol 25-hydroxylase Homo sapiens 93-119 24069554-6 2013 STAT1 was shown to be the most essential transcriptional factor involved in the induction of cholesterol 25-hydroxylase (Ch25h), the enzyme required to produce 25HC, indicating the importance of STAT1 in oxysterol-mediated innate immunity. Oxysterols 204-213 cholesterol 25-hydroxylase Homo sapiens 121-126 24069554-6 2013 STAT1 was shown to be the most essential transcriptional factor involved in the induction of cholesterol 25-hydroxylase (Ch25h), the enzyme required to produce 25HC, indicating the importance of STAT1 in oxysterol-mediated innate immunity. Oxysterols 204-213 signal transducer and activator of transcription 1 Homo sapiens 195-200 23806956-8 2013 Expression of osteocalcin and osteopontin in cells treated with oxysterol 49 and BMP-2 was equivalent. Oxysterols 64-73 osteocalcin Oryctolagus cuniculus 14-25 23806956-8 2013 Expression of osteocalcin and osteopontin in cells treated with oxysterol 49 and BMP-2 was equivalent. Oxysterols 64-73 osteopontin Oryctolagus cuniculus 30-41 23579488-2 2013 Sulfotransferase 2B1b (SULT2B1b) (in short, SULT2B) is a prostate-expressed hydroxysteroid SULT that converts cholesterol, oxysterols, and DHEA to 3beta-sulfates. Oxysterols 123-133 sulfotransferase family, cytosolic, 2B, member 1 Mus musculus 23-29 23682316-3 2013 Here we show that CD4(+) DCs highly express EBI2 and migrate to its oxysterol ligand, 7alpha,25-OHC. Oxysterols 68-77 CD4 antigen Mus musculus 18-21 23682316-3 2013 Here we show that CD4(+) DCs highly express EBI2 and migrate to its oxysterol ligand, 7alpha,25-OHC. Oxysterols 68-77 G protein-coupled receptor 183 Mus musculus 44-48 23473804-9 2013 Thus, in 158N cells, the ability of oxysterols to trigger a mode of cell death by apoptosis involving GSK-3 and caspase-3 activation is independent of the increase in the Ca(2+) level and of their accumulation in lipid raft microdomains. Oxysterols 36-46 glycogen synthase kinase 3 beta Mus musculus 102-107 23473804-9 2013 Thus, in 158N cells, the ability of oxysterols to trigger a mode of cell death by apoptosis involving GSK-3 and caspase-3 activation is independent of the increase in the Ca(2+) level and of their accumulation in lipid raft microdomains. Oxysterols 36-46 caspase 3 Mus musculus 112-121 23554458-7 2013 Administration of the selective TSPO ligand 4"-chlorodiazepam inhibited oxidative stress, improved mitochondrial function, and abolished both mitochondrial cholesterol accumulation and oxysterol production. Oxysterols 185-194 translocator protein Rattus norvegicus 32-36 23298226-2 2013 Mitochondrial cholesterol transport is rate-limiting in the CYP27A1 (sterol 27-hydroxylase)-dependent generation of oxysterol ligands for LXR (liver X receptor) transcription factors that regulate the expression of genes encoding proteins in the cholesterol efflux pathway, such as ABC transporters (ATP-binding cassette transporters) ABCA1 and ABCG1. Oxysterols 116-125 cytochrome P450 family 27 subfamily A member 1 Homo sapiens 60-67 22884520-3 2013 Defects resulting in slowed release of cholesterol from late endosomes and lysosomes or reduction in sterol-27-hydroxylase activity lead to specific blocks in oxysterol production and impaired LXR-dependent gene activation. Oxysterols 159-168 cytochrome P450 family 27 subfamily A member 1 Homo sapiens 101-122 23298226-2 2013 Mitochondrial cholesterol transport is rate-limiting in the CYP27A1 (sterol 27-hydroxylase)-dependent generation of oxysterol ligands for LXR (liver X receptor) transcription factors that regulate the expression of genes encoding proteins in the cholesterol efflux pathway, such as ABC transporters (ATP-binding cassette transporters) ABCA1 and ABCG1. Oxysterols 116-125 cytochrome P450 family 27 subfamily A member 1 Homo sapiens 69-90 23298226-2 2013 Mitochondrial cholesterol transport is rate-limiting in the CYP27A1 (sterol 27-hydroxylase)-dependent generation of oxysterol ligands for LXR (liver X receptor) transcription factors that regulate the expression of genes encoding proteins in the cholesterol efflux pathway, such as ABC transporters (ATP-binding cassette transporters) ABCA1 and ABCG1. Oxysterols 116-125 ATP binding cassette subfamily A member 1 Homo sapiens 335-340 23298226-2 2013 Mitochondrial cholesterol transport is rate-limiting in the CYP27A1 (sterol 27-hydroxylase)-dependent generation of oxysterol ligands for LXR (liver X receptor) transcription factors that regulate the expression of genes encoding proteins in the cholesterol efflux pathway, such as ABC transporters (ATP-binding cassette transporters) ABCA1 and ABCG1. Oxysterols 116-125 ATP binding cassette subfamily G member 1 Homo sapiens 345-350 23298226-5 2013 In turn, this will trigger opening of the permeability transition pore, allowing unregulated production of oxysterols via CYP27A1, allowing the accumulation of esterified forms of this oxysterol within human atherosclerotic lesions. Oxysterols 107-117 cytochrome P450 family 27 subfamily A member 1 Homo sapiens 122-129 23298226-5 2013 In turn, this will trigger opening of the permeability transition pore, allowing unregulated production of oxysterols via CYP27A1, allowing the accumulation of esterified forms of this oxysterol within human atherosclerotic lesions. Oxysterols 107-116 cytochrome P450 family 27 subfamily A member 1 Homo sapiens 122-129 23284090-2 2013 The two oxysterols, 27-hydroxycholesterol (27OH) and 24S-hydroxycholesterol (24OH), are both inhibitors of cholesterol synthesis and activators of the liver X receptor (LXR) in vitro. Oxysterols 8-18 nuclear receptor subfamily 1, group H, member 3 Mus musculus 151-167 23381570-1 2013 Recent studies suggest that 7-dehydrocholesterol (7-DHC)-derived oxysterols play important roles in the pathophysiology of Smith-Lemli-Opitz syndrome (SLOS), a metabolic disorder that is caused by defective 3beta-hydroxysterol-Delta(7)-reductase (DHCR7). Oxysterols 65-75 7-dehydrocholesterol reductase Mus musculus 247-252 23284090-2 2013 The two oxysterols, 27-hydroxycholesterol (27OH) and 24S-hydroxycholesterol (24OH), are both inhibitors of cholesterol synthesis and activators of the liver X receptor (LXR) in vitro. Oxysterols 8-18 nuclear receptor subfamily 1, group H, member 3 Mus musculus 169-172 23063693-3 2013 LXRs and PPARalpha are regulated by endogenous ligands, oxysterols and fatty acid derived molecules, respectively. Oxysterols 56-66 peroxisome proliferator activated receptor alpha Mus musculus 9-18 23521797-0 2013 Discovery of oxysterol-derived pharmacological chaperones for NPC1: implication for the existence of second sterol-binding site. Oxysterols 13-22 NPC intracellular cholesterol transporter 1 Homo sapiens 62-66 23521797-5 2013 These oxysterol derivatives bind to a domain of NPC1 that is different from the known N-terminal sterol-binding domain; i.e., there is an additional sterol-binding site on NPC1. Oxysterols 6-15 NPC intracellular cholesterol transporter 1 Homo sapiens 48-52 23521797-5 2013 These oxysterol derivatives bind to a domain of NPC1 that is different from the known N-terminal sterol-binding domain; i.e., there is an additional sterol-binding site on NPC1. Oxysterols 6-15 NPC intracellular cholesterol transporter 1 Homo sapiens 172-176 22940536-8 2013 This activity was lost in aorta from 11beta-HSD1(-/-) mice, which had low oxysterol levels. Oxysterols 74-83 hydroxysteroid 11-beta dehydrogenase 1 Mus musculus 37-48 23362264-9 2013 Cells overexpressing HSL increased the efficacy of liver X receptor (LXR) ligands on StAR expression and steroid synthesis, suggesting HSL-mediated steroidogenesis entails enhanced oxysterol production. Oxysterols 181-190 lipase, hormone sensitive Mus musculus 21-24 23362264-9 2013 Cells overexpressing HSL increased the efficacy of liver X receptor (LXR) ligands on StAR expression and steroid synthesis, suggesting HSL-mediated steroidogenesis entails enhanced oxysterol production. Oxysterols 181-190 nuclear receptor subfamily 1, group H, member 3 Mus musculus 51-67 23362264-9 2013 Cells overexpressing HSL increased the efficacy of liver X receptor (LXR) ligands on StAR expression and steroid synthesis, suggesting HSL-mediated steroidogenesis entails enhanced oxysterol production. Oxysterols 181-190 nuclear receptor subfamily 1, group H, member 3 Mus musculus 69-72 23362264-9 2013 Cells overexpressing HSL increased the efficacy of liver X receptor (LXR) ligands on StAR expression and steroid synthesis, suggesting HSL-mediated steroidogenesis entails enhanced oxysterol production. Oxysterols 181-190 lipase, hormone sensitive Mus musculus 135-138 22960205-6 2013 The effects of long-term exposure to the oxysterol congener 7beta-hydroxycholesterol on arginine vasopressin stimulated Ca(2+) signals were mainly at the level of Ca(2+) release from intracellular stores rather than on Ca(2+) influx mechanisms. Oxysterols 41-50 arginine vasopressin Rattus norvegicus 97-108 22960205-7 2013 Of the calcium signalling proteins tested, only the type 1 ryanodine receptor and the type 1 inositol 1,4,5-trisphosphate receptor (IP(3)R1) were significantly downregulated by 24 h exposure to oxysterols. Oxysterols 194-204 inositol 1,4,5-trisphosphate receptor, type 1 Rattus norvegicus 132-139 23092829-4 2013 Sixty muM oxysterol mixture showed a slight pro-apoptotic effect on human colon cancer CaCo-2 cell line, evaluated in terms of caspase-3 and caspase-7 activation; conversely, 7alpha-hydroxycholesterol, 7beta-hydroxycholesterol and 5alpha,6alpha-epoxycholesterol were identified to be able to induce a significant pro-apoptotic effect if added to cell culture singly; 7beta-hydroxycholesterol had stronger action than other compounds. Oxysterols 10-19 latexin Homo sapiens 6-9 23092829-4 2013 Sixty muM oxysterol mixture showed a slight pro-apoptotic effect on human colon cancer CaCo-2 cell line, evaluated in terms of caspase-3 and caspase-7 activation; conversely, 7alpha-hydroxycholesterol, 7beta-hydroxycholesterol and 5alpha,6alpha-epoxycholesterol were identified to be able to induce a significant pro-apoptotic effect if added to cell culture singly; 7beta-hydroxycholesterol had stronger action than other compounds. Oxysterols 10-19 caspase 3 Homo sapiens 127-136 23092829-4 2013 Sixty muM oxysterol mixture showed a slight pro-apoptotic effect on human colon cancer CaCo-2 cell line, evaluated in terms of caspase-3 and caspase-7 activation; conversely, 7alpha-hydroxycholesterol, 7beta-hydroxycholesterol and 5alpha,6alpha-epoxycholesterol were identified to be able to induce a significant pro-apoptotic effect if added to cell culture singly; 7beta-hydroxycholesterol had stronger action than other compounds. Oxysterols 10-19 caspase 7 Homo sapiens 141-150 23092829-5 2013 The enhanced production of reactive oxygen species through up-regulation of the colonic NADPH-oxidase isoform NOX1 appeared to be the key event in oxysterol-induced apoptosis in these colon cancer cells. Oxysterols 147-156 NADPH oxidase 1 Homo sapiens 110-114 23092829-7 2013 Only MCP-1 production was significantly induced by 7beta-hydroxycholesterol, as well as by cholesterol and oxysterol mixture. Oxysterols 107-116 C-C motif chemokine ligand 2 Homo sapiens 5-10 23092829-8 2013 However, oxysterol-induced inflammation appeared to be NOX1-independent, suggesting a secondary role of this enzyme in inducing inflammation in colon cancer cells. Oxysterols 9-18 NADPH oxidase 1 Homo sapiens 55-59 22569763-7 2012 Serum proportions of liver X receptor alpha (LXRalpha) ligand oxysterols (ratios to cholesterol) were significantly elevated in the NAFLD patients compared to the controls. Oxysterols 62-72 nuclear receptor subfamily 1 group H member 3 Homo sapiens 45-53 23203064-0 2012 Molecular signaling involved in oxysterol-induced beta1-integrin over-expression in human macrophages. Oxysterols 32-41 integrin subunit beta 1 Homo sapiens 50-64 23203064-4 2012 This study demonstrates the effect of an oxysterol mixture, compatible with that detectable in human hypercholesterolemic plasma, on the expression and synthesis of beta(1)-integrin in cells of the macrophage lineage. Oxysterols 41-50 integrin subunit beta 1 Homo sapiens 165-181 23772388-0 2013 Small molecule antagonism of oxysterol-induced Epstein-Barr virus induced gene 2 (EBI2) activation. Oxysterols 29-38 G protein-coupled receptor 183 Homo sapiens 82-86 23333380-4 2013 Furthermore, we show that in the presence of shh agonists (oxysterol and purmophamine), which replaces the function of Bmi1, a single transcription factor, Nanog is sufficient to reprogram mouse fibroblasts into iPSCs. Oxysterols 59-68 Bmi1 polycomb ring finger oncogene Mus musculus 119-123 23333380-4 2013 Furthermore, we show that in the presence of shh agonists (oxysterol and purmophamine), which replaces the function of Bmi1, a single transcription factor, Nanog is sufficient to reprogram mouse fibroblasts into iPSCs. Oxysterols 59-68 Nanog homeobox Mus musculus 156-161 23115269-4 2013 Incubation of bicarbonate treated sperm with oxysterol-binding proteins (ORP-1 or ORP-2) caused a reduction of >70% of the formed oxysterols in the sperm pellet but no free sterol depletion. Oxysterols 133-143 oxysterol binding protein like 1A Homo sapiens 73-78 23115269-4 2013 Incubation of bicarbonate treated sperm with oxysterol-binding proteins (ORP-1 or ORP-2) caused a reduction of >70% of the formed oxysterols in the sperm pellet but no free sterol depletion. Oxysterols 133-143 oxysterol binding protein like 2 Homo sapiens 82-87 23246833-7 2013 This is the first report demonstrating enhanced production of TNF-alpha in macrophages by treatment with oxysterols which are detected in abundance in atheromatous lesions; in addition, results of the current study provide evidence indicating that certain types of oxysterols contribute to development of atherosclerosis by promoting production of proinflammatory cytokines. Oxysterols 105-115 tumor necrosis factor Homo sapiens 62-71 23246833-7 2013 This is the first report demonstrating enhanced production of TNF-alpha in macrophages by treatment with oxysterols which are detected in abundance in atheromatous lesions; in addition, results of the current study provide evidence indicating that certain types of oxysterols contribute to development of atherosclerosis by promoting production of proinflammatory cytokines. Oxysterols 265-275 tumor necrosis factor Homo sapiens 62-71 23239817-7 2013 Notably, we identified decreased expression of the mRNA encoding cholesterol 25-hydroxylase (Ch25h), an enzyme that converts cholesterol to 25-hydroxycholesterol (25HC), an oxysterol with emerging roles in immunity. Oxysterols 173-182 cholesterol 25-hydroxylase Mus musculus 65-91 23239817-7 2013 Notably, we identified decreased expression of the mRNA encoding cholesterol 25-hydroxylase (Ch25h), an enzyme that converts cholesterol to 25-hydroxycholesterol (25HC), an oxysterol with emerging roles in immunity. Oxysterols 173-182 cholesterol 25-hydroxylase Mus musculus 93-98 23211426-4 2013 Liver X Receptor (LXR) alpha and LXR beta are nuclear receptors activated by oxysterols, oxidized derivatives of cholesterol. Oxysterols 77-87 nuclear receptor subfamily 1 group H member 2 Homo sapiens 33-41 22985798-9 2012 Subsequent p53 nuclear translocation and induction of wild-type and phosphorylated p53 are early steps in oxysterol-induced lysosomal-mitochondrial pathways involved in cell death. Oxysterols 106-115 tumor protein p53 Homo sapiens 11-14 22985798-9 2012 Subsequent p53 nuclear translocation and induction of wild-type and phosphorylated p53 are early steps in oxysterol-induced lysosomal-mitochondrial pathways involved in cell death. Oxysterols 106-115 tumor protein p53 Homo sapiens 83-86 23110859-0 2012 Oxysterol-induced soluble endoglin release and its involvement in hypertension. Oxysterols 0-9 endoglin Mus musculus 26-34 23110859-9 2012 Finally, administration of an endoglin peptide containing the consensus matrix metalloproteinase-14 cleavage site G-L prevented the oxysterol-dependent increase in arterial pressure and sEng levels in mice. Oxysterols 132-141 endoglin Mus musculus 30-38 22569763-12 2012 CONCLUSIONS: We speculate that serum LXRalpha ligand oxysterol levels (relative to cholesterol) could be surrogate markers of insulin resistance, and that high oxysterol levels in the circulation may play an important role in the development of hepatic and peripheral insulin resistance followed by NAFLD. Oxysterols 53-62 nuclear receptor subfamily 1 group H member 3 Homo sapiens 37-45 22999953-7 2012 These findings establish that CYP7B1 and HSD3B7, as well as CH25H, have essential roles in controlling oxysterol production in lymphoid tissues, and they suggest that differential enzyme expression in stromal cell subsets establishes 7alpha,25-OHC gradients required for B cell responses. Oxysterols 103-112 cytochrome P450 family 7 subfamily B member 1 Homo sapiens 30-36 22732306-9 2012 CONCLUSIONS: 25HC3S may be a potent regulator of hepatocyte proliferation and oxysterol sulfation may represent a novel regulatory pathway in liver proliferation via inactivating LXR signaling. Oxysterols 78-87 nuclear receptor subfamily 1, group H, member 3 Mus musculus 179-182 22875855-12 2012 In conclusion, we present the first molecular characterization of oxysterol binding to a 7TM receptor and identify position II:20/2.60 as a generally important residue for ligand binding in certain 7TM receptors. Oxysterols 66-75 cholinergic receptor muscarinic 2 Homo sapiens 89-101 22751695-2 2012 Primary macrophages from insulin-resistant ob/ob and insulin receptor (Insr)(-/-) mice display increased apoptosis in response to loading with free cholesterol or oxysterol, but underlying mechanisms have not been elucidated. Oxysterols 163-172 insulin receptor Mus musculus 53-69 22751695-2 2012 Primary macrophages from insulin-resistant ob/ob and insulin receptor (Insr)(-/-) mice display increased apoptosis in response to loading with free cholesterol or oxysterol, but underlying mechanisms have not been elucidated. Oxysterols 163-172 insulin receptor Mus musculus 71-75 22914792-5 2012 Sterol and oxysterol enhance endothelial cav-1/eNOS interaction and suppress NO production, but these effects are reversed by apoE. Oxysterols 11-20 caveolin 1 Homo sapiens 41-46 22914792-5 2012 Sterol and oxysterol enhance endothelial cav-1/eNOS interaction and suppress NO production, but these effects are reversed by apoE. Oxysterols 11-20 apolipoprotein E Homo sapiens 126-130 22999953-1 2012 7alpha,25-dihydroxycholesterol (7alpha,25-OHC) is a ligand for the G protein-coupled receptor EBI2; however, the cellular sources of this oxysterol are undefined. Oxysterols 138-147 G protein-coupled receptor 183 Homo sapiens 94-98 22999953-7 2012 These findings establish that CYP7B1 and HSD3B7, as well as CH25H, have essential roles in controlling oxysterol production in lymphoid tissues, and they suggest that differential enzyme expression in stromal cell subsets establishes 7alpha,25-OHC gradients required for B cell responses. Oxysterols 103-112 hydroxy-delta-5-steroid dehydrogenase, 3 beta- and steroid delta-isomerase 7 Homo sapiens 41-47 22999953-7 2012 These findings establish that CYP7B1 and HSD3B7, as well as CH25H, have essential roles in controlling oxysterol production in lymphoid tissues, and they suggest that differential enzyme expression in stromal cell subsets establishes 7alpha,25-OHC gradients required for B cell responses. Oxysterols 103-112 cholesterol 25-hydroxylase Homo sapiens 60-65 22617754-6 2012 This new study, in combination with important prior work, provides clues to several long-standing mysteries, such as how AKT might regulate lipid-lowering and glucose-lowering pathways that become insulin-resistant but also lipogenic pathways that remain insulin-responsive, as well as a potential role for NOX4 in insulin-stimulated generation of oxysterol ligands for LXR, a key lipogenic factor. Oxysterols 348-357 AKT serine/threonine kinase 1 Homo sapiens 121-124 22683860-1 2012 ORP8 is an oxysterol/cholesterol binding protein anchored to the endoplasmic reticulum and the nuclear envelope, and is abundantly expressed in the macrophage. Oxysterols 11-20 oxysterol binding protein-like 8 Mus musculus 0-4 22657538-4 2012 Using these drugs and oxysterols, we have determined which aspects of cholesterol homoeostasis should be targeted in prostate cancer, e.g. cellular cholesterol levels are increased by the transcription factor SREBP-2 (sterol-regulatory-element-binding protein isoform 2), whereas LXR (liver X receptor) promotes cholesterol efflux. Oxysterols 22-32 sterol regulatory element binding transcription factor 2 Homo sapiens 209-216 22496390-10 2012 We find significant accumulation of three oxysterols, 7alpha-hydroxycholesterol, 7beta-hydroxycholesterol, and 7-ketocholesterol, in mouse aortas of dyslipidemic ApoE-/- mice at the early stage of atherosclerosis. Oxysterols 42-52 apolipoprotein E Mus musculus 162-166 22238372-5 2012 Inhibition of TLR4 activation using selective inhibitors of TLR4 complex formation (OxPAPC) or signalling transmission (CLI095) prevented lipopolysaccharide (LPS)- and oxysterol-induced inflammatory cytokine production. Oxysterols 168-177 toll like receptor 4 Homo sapiens 14-18 22238372-5 2012 Inhibition of TLR4 activation using selective inhibitors of TLR4 complex formation (OxPAPC) or signalling transmission (CLI095) prevented lipopolysaccharide (LPS)- and oxysterol-induced inflammatory cytokine production. Oxysterols 168-177 toll like receptor 4 Homo sapiens 60-64 22238372-11 2012 Together, these findings indicate that although oxysterols likely activate both pro- and anti-inflammatory pathways in the placenta, the predominant effect is the promotion of placental inflammation via TLR4-dependent activation of NF-kappaB. Oxysterols 48-58 toll like receptor 4 Homo sapiens 203-207 22238372-11 2012 Together, these findings indicate that although oxysterols likely activate both pro- and anti-inflammatory pathways in the placenta, the predominant effect is the promotion of placental inflammation via TLR4-dependent activation of NF-kappaB. Oxysterols 48-58 nuclear factor kappa B subunit 1 Homo sapiens 232-241 22236548-0 2012 side-chain-oxidized oxysterols upregulate ACE2 and Mas receptor in rat primary neurons. Oxysterols 20-30 angiotensin I converting enzyme 2 Rattus norvegicus 42-46 22313893-4 2012 PI3K-, MEK1/2-, ERK1/2- and NF-kappaB-specific inhibitors were used to assess the specific role of the several players on the regulation of IL-8 production by oxysterols. Oxysterols 159-169 C-X-C motif chemokine ligand 8 Homo sapiens 140-144 22488423-5 2012 The ATP-binding cassette (ABC) transporters ABCA1 and ABCG1, and the scavenger receptor B type 1 mediate multiple intracellular signaling pathways as well as the efflux of cholesterol and/or oxysterols in response to apoA-I/HDL. Oxysterols 191-201 ATP binding cassette subfamily A member 1 Homo sapiens 44-49 22488423-5 2012 The ATP-binding cassette (ABC) transporters ABCA1 and ABCG1, and the scavenger receptor B type 1 mediate multiple intracellular signaling pathways as well as the efflux of cholesterol and/or oxysterols in response to apoA-I/HDL. Oxysterols 191-201 ATP binding cassette subfamily G member 1 Homo sapiens 54-59 22488423-5 2012 The ATP-binding cassette (ABC) transporters ABCA1 and ABCG1, and the scavenger receptor B type 1 mediate multiple intracellular signaling pathways as well as the efflux of cholesterol and/or oxysterols in response to apoA-I/HDL. Oxysterols 191-201 apolipoprotein A1 Homo sapiens 217-223 22488423-7 2012 SUMMARY: Current data suggest that in endothelial cells ABCA1 and ABCG1 mediate the activation of intracellular signaling pathways primarily through the efflux of cholesterol and oxysterols to apoA-I/HDL. Oxysterols 179-189 ATP binding cassette subfamily A member 1 Homo sapiens 56-61 22488423-7 2012 SUMMARY: Current data suggest that in endothelial cells ABCA1 and ABCG1 mediate the activation of intracellular signaling pathways primarily through the efflux of cholesterol and oxysterols to apoA-I/HDL. Oxysterols 179-189 ATP binding cassette subfamily G member 1 Homo sapiens 66-71 23130136-8 2012 CONCLUSIONS: The oxysterol 24(S),25-EC prevented foam cell formation in human SMCs by attenuation of LDL receptor-mediated LDL uptake and stimulation of cholesterol efflux, restoring the elaboration of extracellular matrix. Oxysterols 17-26 low density lipoprotein receptor Homo sapiens 101-113 21983012-0 2012 Endoplasmic reticulum stress-induced CHOP activation mediates the down-regulation of leptin in human neuroblastoma SH-SY5Y cells treated with the oxysterol 27-hydroxycholesterol. Oxysterols 146-155 DNA damage inducible transcript 3 Homo sapiens 37-41 21983012-0 2012 Endoplasmic reticulum stress-induced CHOP activation mediates the down-regulation of leptin in human neuroblastoma SH-SY5Y cells treated with the oxysterol 27-hydroxycholesterol. Oxysterols 146-155 leptin Homo sapiens 85-91 21258856-2 2012 We have previously demonstrated that adenosine A(2A) receptors inhibit foam cell formation and stimulate production of cholesterol 27-hydroxylase (CYP27A1), an enzyme involved in the conversion of cholesterol to oxysterols. Oxysterols 212-222 cytochrome P450 family 27 subfamily A member 1 Homo sapiens 147-154 22488423-7 2012 SUMMARY: Current data suggest that in endothelial cells ABCA1 and ABCG1 mediate the activation of intracellular signaling pathways primarily through the efflux of cholesterol and oxysterols to apoA-I/HDL. Oxysterols 179-189 apolipoprotein A1 Homo sapiens 193-199 24970128-7 2012 The cytoplasmic oxysterol-binding protein (OSBP) homologues form a group of oxysterol/cholesterol sensors that has recently attracted a lot of attention. Oxysterols 16-25 oxysterol binding protein Homo sapiens 43-47 22785139-4 2012 Compared with HFD, oxysterol-HFD did not affect plasma lipid levels but did accelerate plaque destabilization and rupture, which was associated with increased monocyte infiltration/activation, monocyte chemoattractant protein-1 (MCP-1) expression, and matrix metalloproteinase (MMP) activity. Oxysterols 19-28 chemokine (C-C motif) ligand 2 Mus musculus 193-227 22785139-4 2012 Compared with HFD, oxysterol-HFD did not affect plasma lipid levels but did accelerate plaque destabilization and rupture, which was associated with increased monocyte infiltration/activation, monocyte chemoattractant protein-1 (MCP-1) expression, and matrix metalloproteinase (MMP) activity. Oxysterols 19-28 chemokine (C-C motif) ligand 2 Mus musculus 229-234 22785139-5 2012 Dietary oxysterol-induced plaque destabilization and rupture were blunted in ApoE(-/-) CCR2(-/-) mice. Oxysterols 8-17 apolipoprotein E Mus musculus 77-81 22785139-5 2012 Dietary oxysterol-induced plaque destabilization and rupture were blunted in ApoE(-/-) CCR2(-/-) mice. Oxysterols 8-17 chemokine (C-C motif) receptor 2 Mus musculus 87-91 22785139-7 2012 These data indicate a primary role for monocyte-mediated inflammation via the MCP-1-CCR2 pathway and the resultant increase in MMP activity in plaque destabilization and rupture induced by dietary oxysterols in ApoE(-/-) mice. Oxysterols 197-207 apolipoprotein E Mus musculus 211-215 22236548-3 2012 ACE activity positively correlated with plasma and CSF 27-hydroxycholesterol (27-OH) levels, an oxysterol that passes to the brain from the blood. Oxysterols 96-105 angiotensin I converting enzyme Rattus norvegicus 0-3 22236548-7 2012 RESULTS: The levels of ACE2 and MasR were increased by a physiological concentration (1 muM) of these oxysterols after 24 h. CONCLUSIONS: 24S-OH and 27-OH enhance the brain RAS by acting on different levels, from the precursor to several downstream enzymes. Oxysterols 102-112 angiotensin I converting enzyme 2 Rattus norvegicus 23-27 21912524-2 2011 Rudolph is an allele of the cholesterol biosynthetic enzyme, hydroxysteroid (17-beta) dehydrogenase 7, which is an intriguing finding given the recent implication of oxysterols in mediating intracellular Hedgehog (Hh) signaling. Oxysterols 166-176 hydroxysteroid (17-beta) dehydrogenase 7 Mus musculus 61-101 22095132-8 2011 Mutagenesis studies identify critical residues in the TM domains that are important for ABCG1 to alter sterol efflux, induce sterol regulatory element binding protein-2 (SREBP-2) processing, and selectively attenuate the oxysterol-mediated repression of SREBP-2 processing. Oxysterols 221-230 ATP binding cassette subfamily G member 1 Homo sapiens 88-93 22095132-8 2011 Mutagenesis studies identify critical residues in the TM domains that are important for ABCG1 to alter sterol efflux, induce sterol regulatory element binding protein-2 (SREBP-2) processing, and selectively attenuate the oxysterol-mediated repression of SREBP-2 processing. Oxysterols 221-230 sterol regulatory element binding transcription factor 2 Homo sapiens 125-168 22095132-8 2011 Mutagenesis studies identify critical residues in the TM domains that are important for ABCG1 to alter sterol efflux, induce sterol regulatory element binding protein-2 (SREBP-2) processing, and selectively attenuate the oxysterol-mediated repression of SREBP-2 processing. Oxysterols 221-230 sterol regulatory element binding transcription factor 2 Homo sapiens 170-177 22095132-8 2011 Mutagenesis studies identify critical residues in the TM domains that are important for ABCG1 to alter sterol efflux, induce sterol regulatory element binding protein-2 (SREBP-2) processing, and selectively attenuate the oxysterol-mediated repression of SREBP-2 processing. Oxysterols 221-230 sterol regulatory element binding transcription factor 2 Homo sapiens 254-261 21951066-0 2011 The oxysterol 27-hydroxycholesterol regulates alpha-synuclein and tyrosine hydroxylase expression levels in human neuroblastoma cells through modulation of liver X receptors and estrogen receptors--relevance to Parkinson"s disease. Oxysterols 4-13 synuclein alpha Homo sapiens 46-61 21951066-3 2011 We showed that the oxysterol 27-hydroxycholesterol (27-OHC) reduces the expression of tyrosine hydroxylase (TH), the rate-limiting enzyme in dopamine synthesis, and increases alpha-synuclein levels in SH-SY5Y cells. Oxysterols 19-28 synuclein alpha Homo sapiens 175-190 21797280-0 2011 Selective cytotoxicity of oxysterols through structural modulation on rings A and B. Synthesis, in vitro evaluation, and SAR. Oxysterols 26-36 sarcosine dehydrogenase Homo sapiens 121-124 21757691-1 2011 ATP-binding cassette transporter A1 (ABCA1) mediates the rate-limiting step in high density lipoprotein (HDL) particle formation, and its expression is regulated primarily by oxysterol-dependent activation of liver X receptors. Oxysterols 175-184 ATP binding cassette subfamily A member 1 Homo sapiens 0-35 21757691-1 2011 ATP-binding cassette transporter A1 (ABCA1) mediates the rate-limiting step in high density lipoprotein (HDL) particle formation, and its expression is regulated primarily by oxysterol-dependent activation of liver X receptors. Oxysterols 175-184 ATP binding cassette subfamily A member 1 Homo sapiens 37-42 21514284-3 2011 Here we present a mini-review of our lab findings on oxysterols formation in vitro and in vivo, including: the effects of different reactive species and availability of endogenous compounds on the type of oxysterol generated, the effects of enhanced activity of paraoxonase 1 or hemeoxygenase on oxysterol level, the correlation between human diseases such as diabetes and oxysterol accumulation, and the correlation between oxidative stress in neurons pre-Parkinsonian conditions in an animal model and intracellular oxidative stress. Oxysterols 53-63 paraoxonase 1 Homo sapiens 262-275 21514284-3 2011 Here we present a mini-review of our lab findings on oxysterols formation in vitro and in vivo, including: the effects of different reactive species and availability of endogenous compounds on the type of oxysterol generated, the effects of enhanced activity of paraoxonase 1 or hemeoxygenase on oxysterol level, the correlation between human diseases such as diabetes and oxysterol accumulation, and the correlation between oxidative stress in neurons pre-Parkinsonian conditions in an animal model and intracellular oxidative stress. Oxysterols 53-62 paraoxonase 1 Homo sapiens 262-275 21875689-8 2011 High cholesterol (HC) diet-feeding, which is thought to provide oxysterols as the natural agonists, could also increase expression of CETP and other LXR target genes. Oxysterols 64-74 nuclear receptor subfamily 1, group H, member 3 Mus musculus 149-152 21774076-4 2011 In addition, cyclopamine is able to modulate, along with oxysterols and other products, the ABCG2 transporter by increasing Ho342 and mitoxantrone uptake. Oxysterols 57-67 ATP binding cassette subfamily G member 2 (Junior blood group) Homo sapiens 92-97 21503957-5 2011 Treatment with oxysterols together with PPARgamma activator, troglitazone (Tro), inhibited mRNA expression for adipogenic genes PPARgamma, LPL, and aP2, and inhibited the formation of adipocytes. Oxysterols 15-25 peroxisome proliferator-activated receptor gamma Rattus norvegicus 40-49 21664966-3 2011 In human promonocytic U937 cells, we investigated the effects of an oxysterol mixture of composition similar to that in advanced human carotid plaques on the expression and synthesis of MMP-9 and its endogenous inhibitors TIMP-1 and TIMP-2. Oxysterols 68-77 matrix metallopeptidase 9 Homo sapiens 186-191 21664966-6 2011 Using antioxidants or specific inhibitors or siRNAs, we demonstrated that the oxysterol mixture induces MMP-9 expression through: (i) overproduction of reactive oxygen species, probably by NADPH-oxidase and mitochondria; (ii) up-regulation of mitogen-activated protein kinase signaling pathways via protein kinase C; and (iii) up-regulation of activator protein-1- and nuclear factor-kappaB-DNA binding. Oxysterols 78-87 matrix metallopeptidase 9 Homo sapiens 104-109 21664966-7 2011 These results suggest, for the first time, that oxysterols accumulating in advanced atherosclerotic lesions significantly contribute to plaque vulnerability by promoting MMP-9/TIMP-1/2 imbalance in phagocytic cells. Oxysterols 48-58 matrix metallopeptidase 9 Homo sapiens 170-175 21664966-7 2011 These results suggest, for the first time, that oxysterols accumulating in advanced atherosclerotic lesions significantly contribute to plaque vulnerability by promoting MMP-9/TIMP-1/2 imbalance in phagocytic cells. Oxysterols 48-58 TIMP metallopeptidase inhibitor 1 Homo sapiens 176-182 21576599-4 2011 This oxysterol is also synthesized by sterol 27-hydroxylase (CYP27A1) and cholesterol 24-hydroxylase(CYP46A1), but it is only a minor product of these enzymes. Oxysterols 5-14 cytochrome P450 family 27 subfamily A member 1 Homo sapiens 38-59 21576599-4 2011 This oxysterol is also synthesized by sterol 27-hydroxylase (CYP27A1) and cholesterol 24-hydroxylase(CYP46A1), but it is only a minor product of these enzymes. Oxysterols 5-14 cytochrome P450 family 27 subfamily A member 1 Homo sapiens 61-68 21576599-4 2011 This oxysterol is also synthesized by sterol 27-hydroxylase (CYP27A1) and cholesterol 24-hydroxylase(CYP46A1), but it is only a minor product of these enzymes. Oxysterols 5-14 cytochrome P450 family 46 subfamily A member 1 Homo sapiens 101-108 21796211-5 2011 Here we isolate oxysterols from porcine spleen extracts and show that they are endogenous ligands for EBI2. Oxysterols 16-26 G protein-coupled receptor 183 Mus musculus 102-106 21796212-4 2011 Functional activation of human EBI2 by 7alpha,25-OHC and closely related oxysterols was verified by monitoring second messenger readouts and saturable, high-affinity radioligand binding. Oxysterols 73-83 G protein-coupled receptor 183 Homo sapiens 31-35 21796212-5 2011 Furthermore, we find that 7alpha,25-OHC and closely related oxysterols act as chemoattractants for immune cells expressing EBI2 by directing cell migration in vitro and in vivo. Oxysterols 60-70 G protein-coupled receptor 183 Homo sapiens 123-127 21359969-0 2011 Lanthanum chloride suppresses oxysterol-induced ECV-304 cell apoptosis via inhibition of intracellular Ca(2+) concentration elevation, oxidative stress, and activation of ERK and NF-kappaB signaling pathways. Oxysterols 30-39 mitogen-activated protein kinase 1 Homo sapiens 171-174 21359969-0 2011 Lanthanum chloride suppresses oxysterol-induced ECV-304 cell apoptosis via inhibition of intracellular Ca(2+) concentration elevation, oxidative stress, and activation of ERK and NF-kappaB signaling pathways. Oxysterols 30-39 nuclear factor kappa B subunit 1 Homo sapiens 179-188 21334438-3 2011 In the last decade, the LXR natural ligands have been shown to be oxysterols, molecules derived from cholesterol. Oxysterols 66-76 nuclear receptor subfamily 1, group H, member 2 Mus musculus 24-27 21628456-8 2011 Our results indicated that the SSD was required for sterol pathway signals to stimulate Hmg2 ER-associated degradation and was employed for detection of both geranylgeranyl pyrophosphate and a secondary oxysterol signal. Oxysterols 203-212 high mobility group box 2 Homo sapiens 88-92 21715627-5 2011 We demonstrate that oxysterols inhibit peripheral myelin gene expression [myelin protein zero (MPZ) and peripheral myelin protein-22 (PMP22)] in a Schwann cell line. Oxysterols 20-30 myelin protein zero Mus musculus 95-98 21715627-5 2011 We demonstrate that oxysterols inhibit peripheral myelin gene expression [myelin protein zero (MPZ) and peripheral myelin protein-22 (PMP22)] in a Schwann cell line. Oxysterols 20-30 peripheral myelin protein 22 Mus musculus 104-132 21715627-5 2011 We demonstrate that oxysterols inhibit peripheral myelin gene expression [myelin protein zero (MPZ) and peripheral myelin protein-22 (PMP22)] in a Schwann cell line. Oxysterols 20-30 peripheral myelin protein 22 Mus musculus 134-139 21503957-5 2011 Treatment with oxysterols together with PPARgamma activator, troglitazone (Tro), inhibited mRNA expression for adipogenic genes PPARgamma, LPL, and aP2, and inhibited the formation of adipocytes. Oxysterols 15-25 peroxisome proliferator-activated receptor gamma Rattus norvegicus 128-137 21503957-5 2011 Treatment with oxysterols together with PPARgamma activator, troglitazone (Tro), inhibited mRNA expression for adipogenic genes PPARgamma, LPL, and aP2, and inhibited the formation of adipocytes. Oxysterols 15-25 lipoprotein lipase Rattus norvegicus 139-142 21503957-5 2011 Treatment with oxysterols together with PPARgamma activator, troglitazone (Tro), inhibited mRNA expression for adipogenic genes PPARgamma, LPL, and aP2, and inhibited the formation of adipocytes. Oxysterols 15-25 fatty acid binding protein 4 Rattus norvegicus 148-151 21411718-0 2011 Conversion of 7-ketocholesterol to oxysterol metabolites by recombinant CYP27A1 and retinal pigment epithelial cells. Oxysterols 35-44 cytochrome P450 family 27 subfamily A member 1 Homo sapiens 72-79 21035514-2 2011 However, it is still unknown whether oxysterol-induced apoptosis in neuronal cells is mediated by Akt and NF-kappaB pathways. Oxysterols 37-46 AKT serine/threonine kinase 1 Rattus norvegicus 98-101 21412171-9 2011 In htau-ApoE mice on the high cholesterol regimen, brain oxysterol levels were less than in htau-ApoE mice, and the numbers of neurons with pathologically altered tau were similar to those in htau-ApoE mice on the high-cholesterol diet. Oxysterols 57-66 apolipoprotein E Mus musculus 8-12 20563825-4 2011 Glial HO-1 expression may also impact cell survival and neuroplasticity in AD by modulating brain sterol/oxysterol metabolism and the degradation of tau by the proteasome. Oxysterols 105-114 heme oxygenase 1 Homo sapiens 6-10 20573495-9 2011 Such an effect was accompanied by an inhibition of oxysterol-induced ROS production, mitogen-activated protein kinase phosphorylation and NF-kappaB activation. Oxysterols 51-60 nuclear factor kappa B subunit 1 Homo sapiens 138-147 20573495-10 2011 The inhibition of oxysterol-induced cytokine stimulation was also mimicked by the specific NF-kappaB inhibitor pyrrolidine dithiocarbamate. Oxysterols 18-27 nuclear factor kappa B subunit 1 Homo sapiens 91-100 21388551-10 2011 Oxysterols can induce the production of inflammatory cytokines such as interleukin-8 and interleukin-1beta. Oxysterols 0-10 C-X-C motif chemokine ligand 8 Homo sapiens 71-84 21388551-10 2011 Oxysterols can induce the production of inflammatory cytokines such as interleukin-8 and interleukin-1beta. Oxysterols 0-10 interleukin 1 beta Homo sapiens 89-106 21295699-4 2011 We find that Sac1-mediated PI4P metabolism requires the oxysterol-binding homology (Osh) proteins. Oxysterols 56-65 phosphatidylinositol-3-phosphatase SAC1 Saccharomyces cerevisiae S288C 13-17 21395540-3 2011 These metabolites (oxysterols, bile acids, vitamin D3) act as activators of a battery of nuclear receptors, in particular liver X receptor (LXR), pregnane X receptor (PXR), constitutive androstane receptor (CAR), farnesoid X receptor (FXR) and vitamin D receptor (VDR). Oxysterols 19-29 xenotropic and polytropic retrovirus receptor 1 Homo sapiens 128-138 21395540-3 2011 These metabolites (oxysterols, bile acids, vitamin D3) act as activators of a battery of nuclear receptors, in particular liver X receptor (LXR), pregnane X receptor (PXR), constitutive androstane receptor (CAR), farnesoid X receptor (FXR) and vitamin D receptor (VDR). Oxysterols 19-29 nuclear receptor subfamily 1 group I member 2 Homo sapiens 146-165 21395540-3 2011 These metabolites (oxysterols, bile acids, vitamin D3) act as activators of a battery of nuclear receptors, in particular liver X receptor (LXR), pregnane X receptor (PXR), constitutive androstane receptor (CAR), farnesoid X receptor (FXR) and vitamin D receptor (VDR). Oxysterols 19-29 nuclear receptor subfamily 1 group I member 2 Homo sapiens 167-170 21395540-3 2011 These metabolites (oxysterols, bile acids, vitamin D3) act as activators of a battery of nuclear receptors, in particular liver X receptor (LXR), pregnane X receptor (PXR), constitutive androstane receptor (CAR), farnesoid X receptor (FXR) and vitamin D receptor (VDR). Oxysterols 19-29 nuclear receptor subfamily 1 group I member 3 Homo sapiens 173-205 21395540-3 2011 These metabolites (oxysterols, bile acids, vitamin D3) act as activators of a battery of nuclear receptors, in particular liver X receptor (LXR), pregnane X receptor (PXR), constitutive androstane receptor (CAR), farnesoid X receptor (FXR) and vitamin D receptor (VDR). Oxysterols 19-29 nuclear receptor subfamily 1 group I member 3 Homo sapiens 207-210 21395540-3 2011 These metabolites (oxysterols, bile acids, vitamin D3) act as activators of a battery of nuclear receptors, in particular liver X receptor (LXR), pregnane X receptor (PXR), constitutive androstane receptor (CAR), farnesoid X receptor (FXR) and vitamin D receptor (VDR). Oxysterols 19-29 xenotropic and polytropic retrovirus receptor 1 Homo sapiens 155-165 21395540-3 2011 These metabolites (oxysterols, bile acids, vitamin D3) act as activators of a battery of nuclear receptors, in particular liver X receptor (LXR), pregnane X receptor (PXR), constitutive androstane receptor (CAR), farnesoid X receptor (FXR) and vitamin D receptor (VDR). Oxysterols 19-29 nuclear receptor subfamily 1 group H member 4 Homo sapiens 235-238 21395540-3 2011 These metabolites (oxysterols, bile acids, vitamin D3) act as activators of a battery of nuclear receptors, in particular liver X receptor (LXR), pregnane X receptor (PXR), constitutive androstane receptor (CAR), farnesoid X receptor (FXR) and vitamin D receptor (VDR). Oxysterols 19-29 vitamin D receptor Homo sapiens 244-262 21395540-3 2011 These metabolites (oxysterols, bile acids, vitamin D3) act as activators of a battery of nuclear receptors, in particular liver X receptor (LXR), pregnane X receptor (PXR), constitutive androstane receptor (CAR), farnesoid X receptor (FXR) and vitamin D receptor (VDR). Oxysterols 19-29 vitamin D receptor Homo sapiens 264-267 20570635-0 2010 Placental ABCA1 and ABCG1 transporters efflux cholesterol and protect trophoblasts from oxysterol induced toxicity. Oxysterols 88-97 ATP binding cassette subfamily A member 1 Homo sapiens 10-15 20149624-6 2010 Tocopherols down-regulated (P<.05) up to half of the genes involved in the cholesterol synthesis pathway, together with CYP27A1, which is involved in oxysterol production. Oxysterols 153-162 cytochrome P450 family 27 subfamily A member 1 Homo sapiens 123-130 20149624-10 2010 This effect involves a down-regulation of genes involved in the cholesterol synthesis pathway, resulting in down-regulation of CYP27A1 which, in turn, diminishes oxysterol concentrations. Oxysterols 162-171 cytochrome P450 family 27 subfamily A member 1 Homo sapiens 127-134 20881054-8 2010 The presence of OSBP, CERT, and PI4KIIalpha in the TGN of oxysterol-stimulated cells suggests that OSBP couples sterol binding or transfer activity with regulation of PI4KIIalpha activity, leading to CERT recruitment to the TGN and increased SM synthesis. Oxysterols 58-67 LOW QUALITY PROTEIN: oxysterol-binding protein 1 Cricetulus griseus 16-20 20881054-8 2010 The presence of OSBP, CERT, and PI4KIIalpha in the TGN of oxysterol-stimulated cells suggests that OSBP couples sterol binding or transfer activity with regulation of PI4KIIalpha activity, leading to CERT recruitment to the TGN and increased SM synthesis. Oxysterols 58-67 ceramide transfer protein Cricetulus griseus 22-26 20881054-8 2010 The presence of OSBP, CERT, and PI4KIIalpha in the TGN of oxysterol-stimulated cells suggests that OSBP couples sterol binding or transfer activity with regulation of PI4KIIalpha activity, leading to CERT recruitment to the TGN and increased SM synthesis. Oxysterols 58-67 LOW QUALITY PROTEIN: oxysterol-binding protein 1 Cricetulus griseus 99-103 20881054-8 2010 The presence of OSBP, CERT, and PI4KIIalpha in the TGN of oxysterol-stimulated cells suggests that OSBP couples sterol binding or transfer activity with regulation of PI4KIIalpha activity, leading to CERT recruitment to the TGN and increased SM synthesis. Oxysterols 58-67 ceramide transfer protein Cricetulus griseus 200-204 20836858-12 2010 The deleterious effects of this oxysterol ranged from Abeta accumulation to oxidative cell damage. Oxysterols 32-41 amyloid beta precursor protein Homo sapiens 54-59 20923702-2 2010 This report concerns the strong proinflammatory action that a dietary oxysterol mixture and, to a lesser extent, an identical concentration of unoxidized cholesterol exert on CaCo-2 colonic epithelial cells by up-regulating both expression and synthesis of interleukin 8. Oxysterols 70-79 C-X-C motif chemokine ligand 8 Homo sapiens 257-270 20923702-5 2010 Importantly, NOX1 hyperactivation by the oxysterol mixture or cholesterol was fully prevented by CaCo-2 cell preincubation with epigallocatechin-3-gallate. Oxysterols 41-50 NADPH oxidase 1 Homo sapiens 13-17 20827719-9 2010 CONCLUSION: We note that OATP1B1 transcriptional regulation is under dual nuclear receptor control through the oxysterol sensing LXRalpha and the bile acid sensor FXR. Oxysterols 111-120 solute carrier organic anion transporter family member 1B1 Homo sapiens 25-32 20827719-9 2010 CONCLUSION: We note that OATP1B1 transcriptional regulation is under dual nuclear receptor control through the oxysterol sensing LXRalpha and the bile acid sensor FXR. Oxysterols 111-120 nuclear receptor subfamily 1 group H member 3 Homo sapiens 129-137 20838002-4 2010 These functions are mediated by specific oxysterol sensors, including liver X receptors (LXR), Insigs, and members of the oxysterol binding protein (OSBP) and OSBP-related protein family. Oxysterols 41-50 oxysterol binding protein Homo sapiens 122-147 20838002-4 2010 These functions are mediated by specific oxysterol sensors, including liver X receptors (LXR), Insigs, and members of the oxysterol binding protein (OSBP) and OSBP-related protein family. Oxysterols 41-50 oxysterol binding protein Homo sapiens 149-153 20838002-4 2010 These functions are mediated by specific oxysterol sensors, including liver X receptors (LXR), Insigs, and members of the oxysterol binding protein (OSBP) and OSBP-related protein family. Oxysterols 41-50 oxysterol binding protein Homo sapiens 159-163 20570635-0 2010 Placental ABCA1 and ABCG1 transporters efflux cholesterol and protect trophoblasts from oxysterol induced toxicity. Oxysterols 88-97 ATP binding cassette subfamily G member 1 Homo sapiens 20-25 20570635-7 2010 Trophoblasts transfected with ABCA1 or ABCG1 siRNA were more sensitive to toxic oxysterols substrates (25-hydroxycholesterol and 7-ketocholesterol) compared to mock-transfected cells, while prior treatment with T0901317 reduced oxysterol-mediated toxicity. Oxysterols 80-90 ATP binding cassette subfamily A member 1 Homo sapiens 30-35 20570635-7 2010 Trophoblasts transfected with ABCA1 or ABCG1 siRNA were more sensitive to toxic oxysterols substrates (25-hydroxycholesterol and 7-ketocholesterol) compared to mock-transfected cells, while prior treatment with T0901317 reduced oxysterol-mediated toxicity. Oxysterols 80-90 ATP binding cassette subfamily G member 1 Homo sapiens 39-44 20570635-7 2010 Trophoblasts transfected with ABCA1 or ABCG1 siRNA were more sensitive to toxic oxysterols substrates (25-hydroxycholesterol and 7-ketocholesterol) compared to mock-transfected cells, while prior treatment with T0901317 reduced oxysterol-mediated toxicity. Oxysterols 80-89 ATP binding cassette subfamily A member 1 Homo sapiens 30-35 20570635-7 2010 Trophoblasts transfected with ABCA1 or ABCG1 siRNA were more sensitive to toxic oxysterols substrates (25-hydroxycholesterol and 7-ketocholesterol) compared to mock-transfected cells, while prior treatment with T0901317 reduced oxysterol-mediated toxicity. Oxysterols 80-89 ATP binding cassette subfamily G member 1 Homo sapiens 39-44 20570635-8 2010 These results identify syncytial ABCA1 and ABCG1 as important, inducible cholesterol transporters which also prevent placental accumulation of cytotoxic oxysterols. Oxysterols 153-163 ATP binding cassette subfamily A member 1 Homo sapiens 33-38 20570635-8 2010 These results identify syncytial ABCA1 and ABCG1 as important, inducible cholesterol transporters which also prevent placental accumulation of cytotoxic oxysterols. Oxysterols 153-163 ATP binding cassette subfamily G member 1 Homo sapiens 43-48 20395595-0 2010 Adenosine monophosphate activated protein kinase regulates ABCG1-mediated oxysterol efflux from endothelial cells and protects against hypercholesterolemia-induced endothelial dysfunction. Oxysterols 74-83 protein kinase AMP-activated catalytic subunit alpha 2 Homo sapiens 0-48 20466046-5 2010 Specific inhibitors confirmed that MMPs, EGFR and PI3K are involved in oxysterol-induced SMC migration, while EGFR, ERK, Akt, and sphingomyelin/ceramide pathways might play a role in SMC proliferation. Oxysterols 71-80 matrix metallopeptidase 2 Homo sapiens 35-39 20466046-5 2010 Specific inhibitors confirmed that MMPs, EGFR and PI3K are involved in oxysterol-induced SMC migration, while EGFR, ERK, Akt, and sphingomyelin/ceramide pathways might play a role in SMC proliferation. Oxysterols 71-80 epidermal growth factor receptor Homo sapiens 41-45 20635334-3 2010 Patched 1 regulates the activity of Smoothened (1) via Vitamin D3, which inhibits Smoothened in the absence of hedgehog ligand or (2) via oxysterols, which activate Smoothened in the presence of hedgehog ligand. Oxysterols 138-148 smoothened Drosophila melanogaster 36-46 20211758-3 2010 We recently found that certain oxysterols, namely the 7-substituted oxysterols, bound to the ligand binding domains (LBDs) of RORalpha and RORgamma with high affinity, altered the LBD conformation and reduced coactivator binding resulting in suppression of the constitutive transcriptional activity of these two receptors. Oxysterols 31-41 RAR related orphan receptor A Homo sapiens 126-134 20211758-4 2010 Here, we show that another oxysterol, 24S-hydroxycholesterol (24S-OHC), is also a high affinity ligand for RORalpha and RORgamma (K(i) approximately 25 nM). Oxysterols 27-36 RAR related orphan receptor A Homo sapiens 107-128 20395595-0 2010 Adenosine monophosphate activated protein kinase regulates ABCG1-mediated oxysterol efflux from endothelial cells and protects against hypercholesterolemia-induced endothelial dysfunction. Oxysterols 74-83 ATP binding cassette subfamily G member 1 Homo sapiens 59-64 19937729-4 2010 The aim of this study was to examine the molecular basis of the biological effects of oxysterols on liver-derived cells, HepG2 and Huh7. Oxysterols 86-96 MIR7-3 host gene Homo sapiens 131-135 20673203-3 2010 Oxysterol sensors LXRs, oxysterol and cholesterol sensors INSIG and SCAP acting through controlled transcription factors SREBP, as well as sensors for oxidized fatty acids and their derivatives, PPAR, are the best studied. Oxysterols 0-9 peroxisome proliferator activated receptor alpha Homo sapiens 195-199 20045741-0 2010 Low-density lipoprotein and oxysterols suppress the transcription of CTP: Phosphoethanolamine cytidylyltransferase in vitro. Oxysterols 28-38 phosphate cytidylyltransferase 2, ethanolamine Mus musculus 69-114 20044803-3 2010 In physiological conditions, high intracellular cholesterol levels cause increased synthesis of oxysterols, which activate LXR, thus triggering a transcriptional response for cholesterol secretion and catabolism. Oxysterols 96-106 nuclear receptor subfamily 1, group H, member 3 Mus musculus 123-126 20044803-7 2010 The inactivation of LXR following PH is related to the reduced oxysterol availability by way of decreased synthesis, and increased sulfation and secretion. Oxysterols 63-72 nuclear receptor subfamily 1, group H, member 3 Mus musculus 20-23 20138879-3 2010 25-hydroxycholesterol, a representative LXR activating oxysterol, suppressed IL-6 production and degranulation response in BMMCs following engagement of high-affinity IgE receptor (FcepsilonRI). Oxysterols 55-64 nuclear receptor subfamily 1, group H, member 2 Mus musculus 40-43 20138879-3 2010 25-hydroxycholesterol, a representative LXR activating oxysterol, suppressed IL-6 production and degranulation response in BMMCs following engagement of high-affinity IgE receptor (FcepsilonRI). Oxysterols 55-64 Fc receptor, IgE, high affinity I, gamma polypeptide Mus musculus 181-192 20333725-0 2010 Molecular signaling operated by a diet-compatible mixture of oxysterols in up-regulating CD36 receptor in CD68 positive cells. Oxysterols 61-71 CD68 molecule Homo sapiens 106-110 18597895-2 2010 Heme oxygenase-1 (HO-1) stimulates oxidation of glial cholesterol to oxysterols, and increased oxysterol concentrations may protect neural tissues by activation of liver X receptor-beta (LXR-beta), which induces transcription of genes associated with reduction of cellular cholesterol concentrations and decrease of Abeta formation. Oxysterols 69-79 heme oxygenase 1 Homo sapiens 0-16 18597895-2 2010 Heme oxygenase-1 (HO-1) stimulates oxidation of glial cholesterol to oxysterols, and increased oxysterol concentrations may protect neural tissues by activation of liver X receptor-beta (LXR-beta), which induces transcription of genes associated with reduction of cellular cholesterol concentrations and decrease of Abeta formation. Oxysterols 69-79 heme oxygenase 1 Homo sapiens 18-22 18597895-2 2010 Heme oxygenase-1 (HO-1) stimulates oxidation of glial cholesterol to oxysterols, and increased oxysterol concentrations may protect neural tissues by activation of liver X receptor-beta (LXR-beta), which induces transcription of genes associated with reduction of cellular cholesterol concentrations and decrease of Abeta formation. Oxysterols 69-79 nuclear receptor subfamily 1 group H member 3 Homo sapiens 187-195 18597895-2 2010 Heme oxygenase-1 (HO-1) stimulates oxidation of glial cholesterol to oxysterols, and increased oxysterol concentrations may protect neural tissues by activation of liver X receptor-beta (LXR-beta), which induces transcription of genes associated with reduction of cellular cholesterol concentrations and decrease of Abeta formation. Oxysterols 69-78 heme oxygenase 1 Homo sapiens 0-16 18597895-2 2010 Heme oxygenase-1 (HO-1) stimulates oxidation of glial cholesterol to oxysterols, and increased oxysterol concentrations may protect neural tissues by activation of liver X receptor-beta (LXR-beta), which induces transcription of genes associated with reduction of cellular cholesterol concentrations and decrease of Abeta formation. Oxysterols 69-78 heme oxygenase 1 Homo sapiens 18-22 19937729-6 2010 FACS investigations, caspase-3 activation, and Sytox Green immunofluorescent assay showed that pathological concentrations of oxysterols induced necrosis (30-50%) after 48 h of treatment. Oxysterols 126-136 caspase 3 Homo sapiens 21-30 19761868-0 2010 Inhibition of carboxylesterase activity of THP1 monocytes/macrophages and recombinant human carboxylesterase 1 by oxysterols and fatty acids. Oxysterols 114-124 carboxylesterase 1 Homo sapiens 14-30 19761868-0 2010 Inhibition of carboxylesterase activity of THP1 monocytes/macrophages and recombinant human carboxylesterase 1 by oxysterols and fatty acids. Oxysterols 114-124 GLI family zinc finger 2 Homo sapiens 43-47 19761868-5 2010 Here, we report the direct inhibitory effects of several endogenous oxysterols and fatty acids on the CE activity of THP1 monocytes/macrophages and recombinant human CES1 and CES2. Oxysterols 68-78 GLI family zinc finger 2 Homo sapiens 117-121 19761868-0 2010 Inhibition of carboxylesterase activity of THP1 monocytes/macrophages and recombinant human carboxylesterase 1 by oxysterols and fatty acids. Oxysterols 114-124 carboxylesterase 1 Homo sapiens 92-110 19761868-5 2010 Here, we report the direct inhibitory effects of several endogenous oxysterols and fatty acids on the CE activity of THP1 monocytes/macrophages and recombinant human CES1 and CES2. Oxysterols 68-78 carboxylesterase 1 Homo sapiens 166-170 19654569-4 2010 The major exportable form of brain cholesterol is 24S-hydroxycholesterol, an oxysterol generated by the neuronal cholesterol 24-hydroxylase encoded by the CYP46A1 gene. Oxysterols 77-86 cytochrome P450, family 46, subfamily a, polypeptide 1 Mus musculus 113-139 19761868-5 2010 Here, we report the direct inhibitory effects of several endogenous oxysterols and fatty acids on the CE activity of THP1 monocytes/macrophages and recombinant human CES1 and CES2. Oxysterols 68-78 carboxylesterase 2 Homo sapiens 175-179 19761868-12 2010 In addition, oxysterol-mediated inhibition of CES1 activity was demonstrated by pretreatment of human liver homogenates or intact THP1 cells with exogenous 27-HC, which resulted in significantly reduced hydrolysis of the pyrethroid insecticide bioresmethrin, a CES1-specific xenobiotic substrate. Oxysterols 13-22 carboxylesterase 1 Homo sapiens 46-50 19761868-12 2010 In addition, oxysterol-mediated inhibition of CES1 activity was demonstrated by pretreatment of human liver homogenates or intact THP1 cells with exogenous 27-HC, which resulted in significantly reduced hydrolysis of the pyrethroid insecticide bioresmethrin, a CES1-specific xenobiotic substrate. Oxysterols 13-22 GLI family zinc finger 2 Homo sapiens 130-134 19761868-12 2010 In addition, oxysterol-mediated inhibition of CES1 activity was demonstrated by pretreatment of human liver homogenates or intact THP1 cells with exogenous 27-HC, which resulted in significantly reduced hydrolysis of the pyrethroid insecticide bioresmethrin, a CES1-specific xenobiotic substrate. Oxysterols 13-22 carboxylesterase 1 Homo sapiens 261-265 19157829-4 2010 Moreover, the carotenoid strongly prevented the increase of NOX-4, hsp70 and hsp90 expressions as well as the phosphorylation of the redox-sensitive p38, JNK and ERK1/2 induced by the oxysterol. Oxysterols 184-193 NADPH oxidase 4 Homo sapiens 60-65 19157829-4 2010 Moreover, the carotenoid strongly prevented the increase of NOX-4, hsp70 and hsp90 expressions as well as the phosphorylation of the redox-sensitive p38, JNK and ERK1/2 induced by the oxysterol. Oxysterols 184-193 heat shock protein family A (Hsp70) member 4 Homo sapiens 67-72 19157829-4 2010 Moreover, the carotenoid strongly prevented the increase of NOX-4, hsp70 and hsp90 expressions as well as the phosphorylation of the redox-sensitive p38, JNK and ERK1/2 induced by the oxysterol. Oxysterols 184-193 heat shock protein 90 alpha family class A member 1 Homo sapiens 77-82 19157829-4 2010 Moreover, the carotenoid strongly prevented the increase of NOX-4, hsp70 and hsp90 expressions as well as the phosphorylation of the redox-sensitive p38, JNK and ERK1/2 induced by the oxysterol. Oxysterols 184-193 mitogen-activated protein kinase 1 Homo sapiens 149-152 19157829-4 2010 Moreover, the carotenoid strongly prevented the increase of NOX-4, hsp70 and hsp90 expressions as well as the phosphorylation of the redox-sensitive p38, JNK and ERK1/2 induced by the oxysterol. Oxysterols 184-193 mitogen-activated protein kinase 8 Homo sapiens 154-157 19157829-4 2010 Moreover, the carotenoid strongly prevented the increase of NOX-4, hsp70 and hsp90 expressions as well as the phosphorylation of the redox-sensitive p38, JNK and ERK1/2 induced by the oxysterol. Oxysterols 184-193 mitogen-activated protein kinase 3 Homo sapiens 162-168 19654569-4 2010 The major exportable form of brain cholesterol is 24S-hydroxycholesterol, an oxysterol generated by the neuronal cholesterol 24-hydroxylase encoded by the CYP46A1 gene. Oxysterols 77-86 cytochrome P450, family 46, subfamily a, polypeptide 1 Mus musculus 155-162 19687010-1 2009 The CYP7B1 cytochrome P450 enzyme hydroxylates carbons 6 and 7 of the B ring of oxysterols and steroids. Oxysterols 80-90 cytochrome P450 family 7 subfamily B member 1 Homo sapiens 4-10 19895785-0 2009 ABCG1 mediated oxidized LDL-derived oxysterol efflux from macrophages. Oxysterols 36-45 ATP binding cassette subfamily G member 1 Homo sapiens 0-5 19895785-11 2009 CONCLUSIONS: ABCG1 mediates oxysterol efflux from oxLDL-loaded macrophages, and the exported oxysterol by ABCG1 pathway can be selectively taken up by hepatocytes. Oxysterols 28-37 ATP binding cassette subfamily G member 1 Homo sapiens 13-18 19687010-4 2009 Hepatic CYP7B1 activity is crucial for the inactivation of oxysterols and their subsequent conversion into bile salts. Oxysterols 59-69 cytochrome P450 family 7 subfamily B member 1 Homo sapiens 8-14 19811731-0 2009 [The apoptosis of mouse macrophage J774A.1 induced by oxysterol depend on NF-kappaB activation]. Oxysterols 54-63 nuclear factor of kappa light polypeptide gene enhancer in B cells 1, p105 Mus musculus 74-83 19250336-6 2009 Interestingly, sPLA2 type IIA (sPLA2-IIA) over-expression partially rescued 158N cells from oxysterol-induced apoptosis. Oxysterols 92-101 phospholipase A2, group IIA (platelets, synovial fluid) Mus musculus 15-20 19522732-3 2009 We recently determined that HO-1 over-expression suppresses total CH levels by augmenting liver X receptor-mediated CH efflux and enhances oxysterol formation in cultured astroglia. Oxysterols 139-148 heme oxygenase 1 Homo sapiens 28-32 19522732-6 2009 The relationships of sterol/oxysterol levels to HO-1 protein expression and clinical/demographic variables were determined by multivariable regression and non-parametric statistical analyses. Oxysterols 28-37 heme oxygenase 1 Homo sapiens 48-52 19464253-1 2009 Akt plays a role in protecting macrophages from apoptosis induced by some oxysterols. Oxysterols 74-84 thymoma viral proto-oncogene 1 Mus musculus 0-3 19464253-5 2009 Modification of Akt by the addition of a Gly-Ala repeat (GAr), a domain known to block ubiquitin-dependent targeting of proteins to the proteasome, resulted in a chimeric protein that is resistant to turn-over induced by 25-OH or 7-KC and provides protection from apoptosis induced by these oxysterols. Oxysterols 291-301 thymoma viral proto-oncogene 1 Mus musculus 16-19 19464253-6 2009 These results uncover a new aspect of oxysterol regulation of Akt in macrophages; oxysterol-stimulated poly-ubiquitination of Akt and degradation by the proteasomal pathway. Oxysterols 38-47 thymoma viral proto-oncogene 1 Mus musculus 62-65 19464253-6 2009 These results uncover a new aspect of oxysterol regulation of Akt in macrophages; oxysterol-stimulated poly-ubiquitination of Akt and degradation by the proteasomal pathway. Oxysterols 38-47 thymoma viral proto-oncogene 1 Mus musculus 126-129 19464253-6 2009 These results uncover a new aspect of oxysterol regulation of Akt in macrophages; oxysterol-stimulated poly-ubiquitination of Akt and degradation by the proteasomal pathway. Oxysterols 82-91 thymoma viral proto-oncogene 1 Mus musculus 62-65 19464253-6 2009 These results uncover a new aspect of oxysterol regulation of Akt in macrophages; oxysterol-stimulated poly-ubiquitination of Akt and degradation by the proteasomal pathway. Oxysterols 82-91 thymoma viral proto-oncogene 1 Mus musculus 126-129 19373502-1 2009 Cholesterol metabolism as initiated by mitochondrial sterol 27-hydroxylase (CYP27A1) is a ubiquitous pathway capable of synthesizing multiple key regulatory oxysterols involved in lipid homeostasis. Oxysterols 157-167 cytochrome P450, family 27, subfamily a, polypeptide 1 Mus musculus 53-74 19373502-1 2009 Cholesterol metabolism as initiated by mitochondrial sterol 27-hydroxylase (CYP27A1) is a ubiquitous pathway capable of synthesizing multiple key regulatory oxysterols involved in lipid homeostasis. Oxysterols 157-167 cytochrome P450, family 27, subfamily a, polypeptide 1 Mus musculus 76-83 26124677-1 2009 The gene for Rhotekin 2 (RTKN2) was originally identified in a promyelocytic cell line resistant to oxysterol-induced apoptosis. Oxysterols 100-109 rhotekin 2 Homo sapiens 13-23 26124677-1 2009 The gene for Rhotekin 2 (RTKN2) was originally identified in a promyelocytic cell line resistant to oxysterol-induced apoptosis. Oxysterols 100-109 rhotekin 2 Homo sapiens 25-30 19553242-6 2009 In fibroblasts from affected subjects, oxysterol stimulation resulted in increased ABCA1 protein expression and normalized their defective phospholipid efflux defect. Oxysterols 39-48 ATP binding cassette subfamily A member 1 Homo sapiens 83-88 19553242-9 2009 The defect in phospholipid efflux is due to defective ABCA1 protein regulation and can be corrected by treatment with physiological oxysterols, a current therapeutic target of interest, that may, with further studies, be used to raise HDL levels in patients with severe HDL deficiencies. Oxysterols 132-142 ATP binding cassette subfamily A member 1 Homo sapiens 54-59 20187291-7 2009 OxLDL-induced TRPC1 translocation was dependent on actin cytoskeleton and associated with a dramatic rise of 7-ketocholesterol (a major oxysterol in oxLDL) into caveolar membranes, whereas the caveolar content of cholesterol was unchanged. Oxysterols 136-145 transient receptor potential cation channel subfamily C member 1 Homo sapiens 14-19 18945429-8 2009 These results suggest that StAR delivers cholesterol to mitochondria where regulatory oxysterols are generated. Oxysterols 86-96 steroidogenic acute regulatory protein Homo sapiens 27-31 19250336-6 2009 Interestingly, sPLA2 type IIA (sPLA2-IIA) over-expression partially rescued 158N cells from oxysterol-induced apoptosis. Oxysterols 92-101 ATPase, class II, type 9A Mus musculus 26-29 19250336-6 2009 Interestingly, sPLA2 type IIA (sPLA2-IIA) over-expression partially rescued 158N cells from oxysterol-induced apoptosis. Oxysterols 92-101 phospholipase A2, group IIA (platelets, synovial fluid) Mus musculus 31-40 19250336-9 2009 Short interfering RNA strategy allowed to establish that stimulation of sPLA2-IIA is mediated by pregnane X receptor (PXR) at high oxysterol concentration (10 microM) and by LXR beta at basal oxysterol concentration. Oxysterols 131-140 phospholipase A2, group IIA (platelets, synovial fluid) Mus musculus 72-81 19250336-9 2009 Short interfering RNA strategy allowed to establish that stimulation of sPLA2-IIA is mediated by pregnane X receptor (PXR) at high oxysterol concentration (10 microM) and by LXR beta at basal oxysterol concentration. Oxysterols 131-140 nuclear receptor subfamily 1, group I, member 2 Mus musculus 97-116 19250336-9 2009 Short interfering RNA strategy allowed to establish that stimulation of sPLA2-IIA is mediated by pregnane X receptor (PXR) at high oxysterol concentration (10 microM) and by LXR beta at basal oxysterol concentration. Oxysterols 131-140 nuclear receptor subfamily 1, group I, member 2 Mus musculus 118-121 19250336-9 2009 Short interfering RNA strategy allowed to establish that stimulation of sPLA2-IIA is mediated by pregnane X receptor (PXR) at high oxysterol concentration (10 microM) and by LXR beta at basal oxysterol concentration. Oxysterols 192-201 phospholipase A2, group IIA (platelets, synovial fluid) Mus musculus 72-81 19250336-9 2009 Short interfering RNA strategy allowed to establish that stimulation of sPLA2-IIA is mediated by pregnane X receptor (PXR) at high oxysterol concentration (10 microM) and by LXR beta at basal oxysterol concentration. Oxysterols 192-201 nuclear receptor subfamily 1, group H, member 2 Mus musculus 174-182 18317936-2 2009 An oxysterol-induced interleukin-8 (IL-8) secretion in human monocytes/macrophages has been previously noticed, but the mechanisms remained unclear. Oxysterols 3-12 C-X-C motif chemokine ligand 8 Homo sapiens 21-34 19338772-5 2009 As oxysterol-induced macrophage apoptosis requires acyl-coenzymeA:cholesterol acyltransferase (ACAT) activity, we tested their affects on ACAT activity. Oxysterols 3-12 carboxylesterase 1G Mus musculus 51-93 19338772-5 2009 As oxysterol-induced macrophage apoptosis requires acyl-coenzymeA:cholesterol acyltransferase (ACAT) activity, we tested their affects on ACAT activity. Oxysterols 3-12 carboxylesterase 1G Mus musculus 95-99 19338772-5 2009 As oxysterol-induced macrophage apoptosis requires acyl-coenzymeA:cholesterol acyltransferase (ACAT) activity, we tested their affects on ACAT activity. Oxysterols 3-12 carboxylesterase 1G Mus musculus 138-142 18317936-8 2009 These results demonstrate that oxysterol-induced IL-8 secretion is a calcium-dependent phenomenon involving the MEK/ERK1/2 pathway leading to the activation of IL-8 gene via AP-1 (c-fos). Oxysterols 31-40 mitogen-activated protein kinase kinase 7 Homo sapiens 112-115 18317936-2 2009 An oxysterol-induced interleukin-8 (IL-8) secretion in human monocytes/macrophages has been previously noticed, but the mechanisms remained unclear. Oxysterols 3-12 C-X-C motif chemokine ligand 8 Homo sapiens 36-40 18317936-8 2009 These results demonstrate that oxysterol-induced IL-8 secretion is a calcium-dependent phenomenon involving the MEK/ERK1/2 pathway leading to the activation of IL-8 gene via AP-1 (c-fos). Oxysterols 31-40 mitogen-activated protein kinase 3 Homo sapiens 116-122 18317936-8 2009 These results demonstrate that oxysterol-induced IL-8 secretion is a calcium-dependent phenomenon involving the MEK/ERK1/2 pathway leading to the activation of IL-8 gene via AP-1 (c-fos). Oxysterols 31-40 C-X-C motif chemokine ligand 8 Homo sapiens 160-164 18317936-8 2009 These results demonstrate that oxysterol-induced IL-8 secretion is a calcium-dependent phenomenon involving the MEK/ERK1/2 pathway leading to the activation of IL-8 gene via AP-1 (c-fos). Oxysterols 31-40 Fos proto-oncogene, AP-1 transcription factor subunit Homo sapiens 174-178 18317936-8 2009 These results demonstrate that oxysterol-induced IL-8 secretion is a calcium-dependent phenomenon involving the MEK/ERK1/2 pathway leading to the activation of IL-8 gene via AP-1 (c-fos). Oxysterols 31-40 Fos proto-oncogene, AP-1 transcription factor subunit Homo sapiens 180-185 18317936-3 2009 In this paper, we investigated the signaling pathways leading to the induction of IL-8 secretion in monocytic THP-1 cells treated with 7beta-hydroxycholesterol, a cytototoxic oxysterol, or with 25-hydroxycholesterol, an oxysterol non-cytotoxic toward this cell line. Oxysterols 175-184 C-X-C motif chemokine ligand 8 Homo sapiens 82-86 18317936-3 2009 In this paper, we investigated the signaling pathways leading to the induction of IL-8 secretion in monocytic THP-1 cells treated with 7beta-hydroxycholesterol, a cytototoxic oxysterol, or with 25-hydroxycholesterol, an oxysterol non-cytotoxic toward this cell line. Oxysterols 220-229 C-X-C motif chemokine ligand 8 Homo sapiens 82-86 18317936-4 2009 The oxysterol-induced IL-8 secretion appears to be a calcium-dependent phenomenon as shown by the use of calcium channel blockers, which strongly decreased IL-8 secretion and IL-8 messenger RNA (mRNA) levels. Oxysterols 4-13 C-X-C motif chemokine ligand 8 Homo sapiens 22-26 18317936-4 2009 The oxysterol-induced IL-8 secretion appears to be a calcium-dependent phenomenon as shown by the use of calcium channel blockers, which strongly decreased IL-8 secretion and IL-8 messenger RNA (mRNA) levels. Oxysterols 4-13 C-X-C motif chemokine ligand 8 Homo sapiens 156-160 18317936-4 2009 The oxysterol-induced IL-8 secretion appears to be a calcium-dependent phenomenon as shown by the use of calcium channel blockers, which strongly decreased IL-8 secretion and IL-8 messenger RNA (mRNA) levels. Oxysterols 4-13 C-X-C motif chemokine ligand 8 Homo sapiens 156-160 18317936-5 2009 Fluo-3 staining used in flow cytometry and video microscopy revealed an oxysterol-induced Ca(2+) influx, varying according to the oxysterol studied, leading to the activation of the MEK/ERK1/2 pathway as demonstrated by Western blot analysis. Oxysterols 72-81 mitogen-activated protein kinase kinase 7 Homo sapiens 182-185 18317936-5 2009 Fluo-3 staining used in flow cytometry and video microscopy revealed an oxysterol-induced Ca(2+) influx, varying according to the oxysterol studied, leading to the activation of the MEK/ERK1/2 pathway as demonstrated by Western blot analysis. Oxysterols 72-81 mitogen-activated protein kinase 3 Homo sapiens 186-192 18317936-5 2009 Fluo-3 staining used in flow cytometry and video microscopy revealed an oxysterol-induced Ca(2+) influx, varying according to the oxysterol studied, leading to the activation of the MEK/ERK1/2 pathway as demonstrated by Western blot analysis. Oxysterols 130-139 mitogen-activated protein kinase kinase 7 Homo sapiens 182-185 18317936-5 2009 Fluo-3 staining used in flow cytometry and video microscopy revealed an oxysterol-induced Ca(2+) influx, varying according to the oxysterol studied, leading to the activation of the MEK/ERK1/2 pathway as demonstrated by Western blot analysis. Oxysterols 130-139 mitogen-activated protein kinase 3 Homo sapiens 186-192 18317936-8 2009 These results demonstrate that oxysterol-induced IL-8 secretion is a calcium-dependent phenomenon involving the MEK/ERK1/2 pathway leading to the activation of IL-8 gene via AP-1 (c-fos). Oxysterols 31-40 C-X-C motif chemokine ligand 8 Homo sapiens 49-53 19136384-10 2009 In hepatic stellate cells, oxysterols increased IL-8 secretion through a NF-kappaB-independent mechanism and upregulated TIMP-1 expression. Oxysterols 27-37 chemokine (C-X-C motif) ligand 15 Mus musculus 48-52 20126301-7 2009 We also suggest the potential for two p53 target genes, START domain-containing protein 4 (StARD4) and oxysterol-binding protein (OSBP), with the concomitant synthesis of the signaling molecule oxysterol, to participate in adipogenesis. Oxysterols 103-112 tumor protein p53 Homo sapiens 38-41 20126301-7 2009 We also suggest the potential for two p53 target genes, START domain-containing protein 4 (StARD4) and oxysterol-binding protein (OSBP), with the concomitant synthesis of the signaling molecule oxysterol, to participate in adipogenesis. Oxysterols 103-112 oxysterol binding protein Homo sapiens 130-134 18997165-13 2009 Activation of LXR by either endogenous oxysterols or synthetic agonists induces the expression of many genes, including those encoding ATP-binding cassette (ABC) transporters ABCA1, ABCG1, ABCG5, and ABCG8. Oxysterols 39-49 ATP binding cassette subfamily A member 1 Homo sapiens 175-180 18997165-13 2009 Activation of LXR by either endogenous oxysterols or synthetic agonists induces the expression of many genes, including those encoding ATP-binding cassette (ABC) transporters ABCA1, ABCG1, ABCG5, and ABCG8. Oxysterols 39-49 ATP binding cassette subfamily G member 1 Homo sapiens 182-187 18997165-13 2009 Activation of LXR by either endogenous oxysterols or synthetic agonists induces the expression of many genes, including those encoding ATP-binding cassette (ABC) transporters ABCA1, ABCG1, ABCG5, and ABCG8. Oxysterols 39-49 ATP binding cassette subfamily G member 5 Homo sapiens 189-194 18997165-13 2009 Activation of LXR by either endogenous oxysterols or synthetic agonists induces the expression of many genes, including those encoding ATP-binding cassette (ABC) transporters ABCA1, ABCG1, ABCG5, and ABCG8. Oxysterols 39-49 ATP binding cassette subfamily G member 8 Homo sapiens 200-205 19013211-1 2009 Two members of the human aldo-keto reductase (AKR) superfamily participate in the biosynthesis of bile acids by catalyzing the NADP(H) dependent reduction of 3-keto groups (AKR1C4) and Delta4 double bonds (AKR1D1) of oxysterol precursors. Oxysterols 217-226 aldo-keto reductase family 1 member C4 Homo sapiens 173-179 19013211-1 2009 Two members of the human aldo-keto reductase (AKR) superfamily participate in the biosynthesis of bile acids by catalyzing the NADP(H) dependent reduction of 3-keto groups (AKR1C4) and Delta4 double bonds (AKR1D1) of oxysterol precursors. Oxysterols 217-226 aldo-keto reductase family 1 member D1 Homo sapiens 206-212 19136384-10 2009 In hepatic stellate cells, oxysterols increased IL-8 secretion through a NF-kappaB-independent mechanism and upregulated TIMP-1 expression. Oxysterols 27-37 tissue inhibitor of metalloproteinase 1 Mus musculus 121-127 18996837-1 2009 Side chain oxysterols exert cholesterol homeostatic effects by suppression of sterol regulatory element-binding protein maturation and promoting degradation of hydroxymethylglutaryl-CoA reductase. Oxysterols 11-21 CCHC-type zinc finger nucleic acid binding protein Homo sapiens 78-119 18980580-0 2009 Oxysterol activation of phosphatidylcholine synthesis involves CTP:phosphocholine cytidylyltransferase alpha translocation to the nuclear envelope. Oxysterols 0-9 choline-phosphate cytidylyltransferase A Cricetulus griseus 63-108 18996837-1 2009 Side chain oxysterols exert cholesterol homeostatic effects by suppression of sterol regulatory element-binding protein maturation and promoting degradation of hydroxymethylglutaryl-CoA reductase. Oxysterols 11-21 3-hydroxy-3-methylglutaryl-CoA reductase Homo sapiens 160-195 19046352-3 2009 In the current study, we determined the effects of HO-1 over-expression and its byproducts iron (Fe(2+)), carbon monoxide (CO) and bilirubin on CH biosynthesis, CH efflux and oxysterol formation in cultured astroglia. Oxysterols 175-184 heme oxygenase 1 Homo sapiens 51-55 18495460-4 2009 This oxysterol also induces important changes in lipid content and/or organization of the cytoplasmic membrane demonstrated with merocyanine 540 and fluorescence anisotropy, a loss of PI3-K activity and dephosphorylation of PDK-1 and Akt. Oxysterols 5-14 pyruvate dehydrogenase kinase 1 Homo sapiens 224-229 18495460-4 2009 This oxysterol also induces important changes in lipid content and/or organization of the cytoplasmic membrane demonstrated with merocyanine 540 and fluorescence anisotropy, a loss of PI3-K activity and dephosphorylation of PDK-1 and Akt. Oxysterols 5-14 AKT serine/threonine kinase 1 Homo sapiens 234-237 18815215-1 2008 The nuclear hormone receptors liver X receptor alpha (LXRalpha) and LXRbeta function as physiological receptors for oxidized cholesterol metabolites (oxysterols) and regulate several aspects of cholesterol and lipid metabolism. Oxysterols 150-160 nuclear receptor subfamily 1 group H member 3 Homo sapiens 54-62 18515973-7 2009 Instead, this oxysterol slowed degradation of IL-6 mRNA and increased the amount of cytoplasmic HuR. Oxysterols 14-23 interleukin 6 Homo sapiens 46-50 18815215-1 2008 The nuclear hormone receptors liver X receptor alpha (LXRalpha) and LXRbeta function as physiological receptors for oxidized cholesterol metabolites (oxysterols) and regulate several aspects of cholesterol and lipid metabolism. Oxysterols 150-160 nuclear receptor subfamily 1 group H member 3 Homo sapiens 68-75 18713821-7 2008 RESULTS: Serum oxysterol concentrations in the adolescent cohort correlated positively with insulin (P<0.05), total cholesterol (P<0.05), non-high-density lipoprotein cholesterol (P<0.05), low-density lipoprotein cholesterol (P<0.05), and ApoB (P<0.01). Oxysterols 15-24 apolipoprotein B Homo sapiens 251-255 18713821-8 2008 ApoB and fasting insulin were found to be the major determinants of serum oxysterols after adjustment for body mass index. Oxysterols 74-84 apolipoprotein B Homo sapiens 0-4 18713821-10 2008 CONCLUSION: Serum oxysterol concentrations increase with obesity, insulin, and ApoB, which are established derangements associated with the metabolic syndrome. Oxysterols 18-27 apolipoprotein B Homo sapiens 79-83 18782758-3 2008 The transcription of ABCA1 is regulated by intracellular oxysterol concentration via the nuclear liver X receptor (LXR)/retinoid X receptor (RXR); once synthesized, ABCA1 protein turns over rapidly with a half-life of 1-2 h. Here, we show that the LXRbeta/RXR complex binds directly to ABCA1 on the plasma membrane of macrophages and modulates cholesterol secretion. Oxysterols 57-66 ATP binding cassette subfamily A member 1 Homo sapiens 21-26 18924609-3 2008 Whether the beneficial effects of HDL on ECs depend on its involvement in cholesterol efflux via the ATP-binding cassette transporters ABCA1 and ABCG1, which promote efflux of cholesterol and oxysterols from macrophages, has not been investigated. Oxysterols 192-202 ATP-binding cassette, sub-family A (ABC1), member 1 Mus musculus 135-140 18924609-3 2008 Whether the beneficial effects of HDL on ECs depend on its involvement in cholesterol efflux via the ATP-binding cassette transporters ABCA1 and ABCG1, which promote efflux of cholesterol and oxysterols from macrophages, has not been investigated. Oxysterols 192-202 ATP binding cassette subfamily G member 1 Mus musculus 145-150 18502209-6 2008 Some (oxy)sterols can accelerate the degradation of the key cholesterol biosynthetic enzyme, HMG-CoA reductase, and/or serve as natural ligand activators of a nuclear receptor (LXR) involved in coordinating many aspects of reverse cholesterol transport. Oxysterols 5-17 3-hydroxy-3-methylglutaryl-CoA reductase Homo sapiens 93-110 18782758-3 2008 The transcription of ABCA1 is regulated by intracellular oxysterol concentration via the nuclear liver X receptor (LXR)/retinoid X receptor (RXR); once synthesized, ABCA1 protein turns over rapidly with a half-life of 1-2 h. Here, we show that the LXRbeta/RXR complex binds directly to ABCA1 on the plasma membrane of macrophages and modulates cholesterol secretion. Oxysterols 57-66 retinoid X receptor alpha Homo sapiens 120-139 18782758-3 2008 The transcription of ABCA1 is regulated by intracellular oxysterol concentration via the nuclear liver X receptor (LXR)/retinoid X receptor (RXR); once synthesized, ABCA1 protein turns over rapidly with a half-life of 1-2 h. Here, we show that the LXRbeta/RXR complex binds directly to ABCA1 on the plasma membrane of macrophages and modulates cholesterol secretion. Oxysterols 57-66 retinoid X receptor alpha Homo sapiens 141-144 18782758-3 2008 The transcription of ABCA1 is regulated by intracellular oxysterol concentration via the nuclear liver X receptor (LXR)/retinoid X receptor (RXR); once synthesized, ABCA1 protein turns over rapidly with a half-life of 1-2 h. Here, we show that the LXRbeta/RXR complex binds directly to ABCA1 on the plasma membrane of macrophages and modulates cholesterol secretion. Oxysterols 57-66 ATP binding cassette subfamily A member 1 Homo sapiens 165-170 18782758-3 2008 The transcription of ABCA1 is regulated by intracellular oxysterol concentration via the nuclear liver X receptor (LXR)/retinoid X receptor (RXR); once synthesized, ABCA1 protein turns over rapidly with a half-life of 1-2 h. Here, we show that the LXRbeta/RXR complex binds directly to ABCA1 on the plasma membrane of macrophages and modulates cholesterol secretion. Oxysterols 57-66 nuclear receptor subfamily 1 group H member 2 Homo sapiens 248-255 18782758-3 2008 The transcription of ABCA1 is regulated by intracellular oxysterol concentration via the nuclear liver X receptor (LXR)/retinoid X receptor (RXR); once synthesized, ABCA1 protein turns over rapidly with a half-life of 1-2 h. Here, we show that the LXRbeta/RXR complex binds directly to ABCA1 on the plasma membrane of macrophages and modulates cholesterol secretion. Oxysterols 57-66 retinoid X receptor alpha Homo sapiens 256-259 18782758-3 2008 The transcription of ABCA1 is regulated by intracellular oxysterol concentration via the nuclear liver X receptor (LXR)/retinoid X receptor (RXR); once synthesized, ABCA1 protein turns over rapidly with a half-life of 1-2 h. Here, we show that the LXRbeta/RXR complex binds directly to ABCA1 on the plasma membrane of macrophages and modulates cholesterol secretion. Oxysterols 57-66 ATP binding cassette subfamily A member 1 Homo sapiens 165-170 18782758-5 2008 When cholesterol accumulates, oxysterols bind to LXRbeta, and the LXRbeta/RXR complex dissociates from ABCA1, restoring ABCA1 activity and allowing apoA-I-dependent cholesterol secretion. Oxysterols 30-40 nuclear receptor subfamily 1 group H member 2 Homo sapiens 49-56 18613030-0 2008 Oxysterol-induced osteogenic differentiation of marrow stromal cells is regulated by Dkk-1 inhibitable and PI3-kinase mediated signaling. Oxysterols 0-9 dickkopf WNT signaling pathway inhibitor 1 Homo sapiens 85-90 18613030-5 2008 In addition to activating the hedgehog signaling pathway, oxysterol-induced osteogenic differentiation is mediated through a Wnt signaling-related, Dkk-1-inhibitable mechanism. Oxysterols 58-67 dickkopf WNT signaling pathway inhibitor 1 Homo sapiens 148-153 18613030-7 2008 These oxysterol effects, which occurred in the absence of beta-catenin accumulation or TCF/Lef activation, were inhibited by the hedgehog pathway inhibitor, cyclopamine, and/or by the Wnt pathway inhibitor, Dkk-1. Oxysterols 6-15 dickkopf WNT signaling pathway inhibitor 1 Homo sapiens 207-212 18613030-9 2008 Finally, activators of canonical Wnt signaling, Wnt3a and Wnt1, inhibited spontaneous, oxysterol-, and Shh-induced osteogenic differentiation of bone marrow stromal cells, suggesting the involvement of a non-canonical Wnt pathway in pro-osteogenic differentiation events. Oxysterols 87-96 Wnt family member 3A Homo sapiens 48-53 18613030-9 2008 Finally, activators of canonical Wnt signaling, Wnt3a and Wnt1, inhibited spontaneous, oxysterol-, and Shh-induced osteogenic differentiation of bone marrow stromal cells, suggesting the involvement of a non-canonical Wnt pathway in pro-osteogenic differentiation events. Oxysterols 87-96 Wnt family member 1 Homo sapiens 58-62 18722677-3 2008 In support of this hypothesis is the recent demonstration that the oxysterol 27-hydroxycholesterol (27HC) interacts with and modulates the transcriptional activity of both estrogen receptor (ER) subtypes and that the relative agonist and antagonist activity of 27HC is influenced by both cell and promoter context. Oxysterols 67-76 estrogen receptor 1 Homo sapiens 172-189 18722677-3 2008 In support of this hypothesis is the recent demonstration that the oxysterol 27-hydroxycholesterol (27HC) interacts with and modulates the transcriptional activity of both estrogen receptor (ER) subtypes and that the relative agonist and antagonist activity of 27HC is influenced by both cell and promoter context. Oxysterols 67-76 estrogen receptor 1 Homo sapiens 191-193 18594022-4 2008 The cell-based high-throughput screen is conducted in a 96-well format using the human hepatoma HepG2 cells stably transfected with ABCA1 promoter-luciferase construct and calibrated with reference ABCA1 upregulators (oxysterols, 9-cis-retinoic acid, thiazolidinediones, cyclic adenosine monophosphate, verapamil, fenofibrate, and oncostatin M). Oxysterols 218-228 ATP binding cassette subfamily A member 1 Homo sapiens 198-203 18186953-2 2008 In particular, apoptosis induced by the oxysterol 7 beta-hydroxycholesterol (7 beta-OH) has been associated with the generation of oxidative stress, cytochrome c release and caspase activation. Oxysterols 40-49 cytochrome c, somatic Homo sapiens 149-161 18186953-8 2008 Akt activation was decreased in the oxysterol-treated cells compared with control cells; however, this did not attain significance. Oxysterols 36-45 AKT serine/threonine kinase 1 Homo sapiens 0-3 18676367-3 2008 Sterol regulatory element-binding protein-2 is responsive to both sterols and oxysterols and has been shown to mediate the transcriptional response of the cholesterologenic enzymes to these lipids. Oxysterols 78-88 sterol regulatory element binding transcription factor 2 Homo sapiens 0-43 18676367-5 2008 Examination of the CYP51A1 gene revealed that both the SRE and nLXRE are required for normal oxysterol-dependent repression of this gene. Oxysterols 93-102 cytochrome P450 family 51 subfamily A member 1 Homo sapiens 19-26 18390616-9 2008 We attribute these effects to the reduction in intermolecular cohesive interactions caused by the presence of the second dipole of oxysterols, which reduces the energetic barrier for Abeta insertion into the bilayer. Oxysterols 131-141 amyloid beta precursor protein Homo sapiens 183-188 18614014-3 2008 T cell activation triggers induction of the oxysterol-metabolizing enzyme SULT2B1, consequent suppression of the LXR pathway for cholesterol transport, and promotion of the SREBP pathway for cholesterol synthesis. Oxysterols 44-53 sulfotransferase family, cytosolic, 2B, member 1 Mus musculus 74-81 18614014-3 2008 T cell activation triggers induction of the oxysterol-metabolizing enzyme SULT2B1, consequent suppression of the LXR pathway for cholesterol transport, and promotion of the SREBP pathway for cholesterol synthesis. Oxysterols 44-53 nuclear receptor subfamily 1, group H, member 2 Mus musculus 113-116 18569012-9 2008 Pharmacological intervention of GSK-3beta-JNK-caspase signalling pathway may be useful for the reduction of cytotoxicity of oxysterols. Oxysterols 124-134 glycogen synthase kinase 3 beta Rattus norvegicus 32-41 19110552-6 2008 Cholesterol-induced potentiation of the fibrogenic response is probably associated with transforming growth factor-beta1 induction due to accumulation of lipids and oxysterols in the liver. Oxysterols 165-175 transforming growth factor, beta 1 Mus musculus 88-120 18450749-1 2008 Oxysterol binding to liver X receptors (LXR) increases the transcription of genes involved in cholesterol efflux and disposal, such as ABCA1 (ATP-binding cassette transporter A1). Oxysterols 0-9 phospholipid-transporting ATPase ABCA1 Cricetulus griseus 135-140 18450749-1 2008 Oxysterol binding to liver X receptors (LXR) increases the transcription of genes involved in cholesterol efflux and disposal, such as ABCA1 (ATP-binding cassette transporter A1). Oxysterols 0-9 phospholipid-transporting ATPase ABCA1 Cricetulus griseus 142-177 18450749-5 2008 Suppression of OSBP in Chinese hamster ovary cells by RNA interference resulted in increased ABCA1 protein expression and cholesterol efflux activity following induction with oxysterols or the synthetic LXR agonist TO901317. Oxysterols 175-185 LOW QUALITY PROTEIN: oxysterol-binding protein 1 Cricetulus griseus 15-19 18450749-5 2008 Suppression of OSBP in Chinese hamster ovary cells by RNA interference resulted in increased ABCA1 protein expression and cholesterol efflux activity following induction with oxysterols or the synthetic LXR agonist TO901317. Oxysterols 175-185 phospholipid-transporting ATPase ABCA1 Cricetulus griseus 93-98 18569012-9 2008 Pharmacological intervention of GSK-3beta-JNK-caspase signalling pathway may be useful for the reduction of cytotoxicity of oxysterols. Oxysterols 124-134 mitogen-activated protein kinase 8 Rattus norvegicus 42-45 18646550-5 2008 CYP isoenzymes participate in metabolic pathways important for proper physiological functioning of the human organism, i.e.: cholesterol, bile acid and oxysterol biosynthesis; metabolism of fatty acids, prostaglandins, prostacyclins, leukotrienes, steroid hormones, ketone bodies, vitamines A and D. CYP isoenzymes participate in the metabolism of over 80% of drugs and other xenobiotic substances which can be present in the human organism. Oxysterols 152-161 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 0-3 18646550-5 2008 CYP isoenzymes participate in metabolic pathways important for proper physiological functioning of the human organism, i.e.: cholesterol, bile acid and oxysterol biosynthesis; metabolism of fatty acids, prostaglandins, prostacyclins, leukotrienes, steroid hormones, ketone bodies, vitamines A and D. CYP isoenzymes participate in the metabolism of over 80% of drugs and other xenobiotic substances which can be present in the human organism. Oxysterols 152-161 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 300-303 18395439-7 2008 In contrast, Ciona LXR was not activated by T-0901317 or GW3965 but was activated by a limited number of oxysterols, as well as some androstane and pregnane steroids. Oxysterols 105-115 ecdysone receptor Ciona intestinalis 19-22 18453540-5 2008 However, no doubt that TGF-beta1 level and activity may be upregulated in cells of the macrophage lineage by animal fat oxidation products, such as oxysterols and aldehydes, as reviewed here. Oxysterols 148-158 transforming growth factor beta 1 Homo sapiens 23-32 18271871-5 2008 ABCA1 stimulates cholesterol efflux to lipid-poor apolipoproteins, whilst ABCG1 promotes efflux of cholesterol and oxysterols to HDL. Oxysterols 115-125 ATP binding cassette subfamily G member 1 Homo sapiens 74-79 17872378-4 2008 However, the recent observation that oxysterols bind ER and antagonize the actions of 17beta-estradiol (E2) on the vascular wall suggests that this class of ligands may possess SERM activity. Oxysterols 37-47 estrogen receptor 1 Homo sapiens 53-55 18055760-3 2008 In this study, we revealed a novel function of RORalpha (NR1F1) in regulating the oxysterol 7alpha-hydroxylase (Cyp7b1), an enzyme critical for the homeostasis of cholesterol, bile acids, and oxysterols. Oxysterols 192-202 RAR-related orphan receptor alpha Mus musculus 47-55 18055760-3 2008 In this study, we revealed a novel function of RORalpha (NR1F1) in regulating the oxysterol 7alpha-hydroxylase (Cyp7b1), an enzyme critical for the homeostasis of cholesterol, bile acids, and oxysterols. Oxysterols 192-202 RAR-related orphan receptor alpha Mus musculus 57-62 18055760-3 2008 In this study, we revealed a novel function of RORalpha (NR1F1) in regulating the oxysterol 7alpha-hydroxylase (Cyp7b1), an enzyme critical for the homeostasis of cholesterol, bile acids, and oxysterols. Oxysterols 192-202 cytochrome P450, family 7, subfamily b, polypeptide 1 Mus musculus 82-110 18055760-3 2008 In this study, we revealed a novel function of RORalpha (NR1F1) in regulating the oxysterol 7alpha-hydroxylase (Cyp7b1), an enzyme critical for the homeostasis of cholesterol, bile acids, and oxysterols. Oxysterols 192-202 cytochrome P450, family 7, subfamily b, polypeptide 1 Mus musculus 112-118 18029360-11 2008 Cholesterol or oxysterols induced ABCA1 expression in wild type macrophages but had little or inhibitory effects on ABCA1 expression in LDLR(-/-) macrophages. Oxysterols 15-25 ATP-binding cassette, sub-family A (ABC1), member 1 Mus musculus 34-39 18029360-15 2008 Oxysterol synergized with nonsteroid LXR ligand induced ABCA1 expression in wild type macrophages but blocked induction in LDLR(-/-) cells. Oxysterols 0-9 ATP-binding cassette, sub-family A (ABC1), member 1 Mus musculus 56-61 18029360-15 2008 Oxysterol synergized with nonsteroid LXR ligand induced ABCA1 expression in wild type macrophages but blocked induction in LDLR(-/-) cells. Oxysterols 0-9 low density lipoprotein receptor Mus musculus 123-127 17989072-5 2008 We showed earlier that NPC1 binds cholesterol and oxysterols. Oxysterols 50-60 NPC intracellular cholesterol transporter 1 Cricetulus griseus 23-27 17989073-5 2008 Unexpectedly, we encountered NPC1 in a search for a membrane protein that binds 25-hydroxycholesterol (25-HC) and other oxysterols. Oxysterols 120-130 NPC intracellular cholesterol transporter 1 Homo sapiens 29-33 17989073-7 2008 We prepared recombinant human NPC1 and confirmed its ability to bind oxysterols, including those with a hydroxyl group on the 24, 25, or 27 positions. Oxysterols 69-79 NPC intracellular cholesterol transporter 1 Homo sapiens 30-34 17989073-13 2008 The availability of assays to measure NPC1 binding in vitro may further the understanding of ways in which oxysterols regulate intracellular lipid transport. Oxysterols 107-117 NPC intracellular cholesterol transporter 1 Homo sapiens 38-42 17938859-1 2008 OSBP (oxysterol-binding protein) and ORPs (OSBP-related proteins) constitute an enigmatic eukaryotic protein family that is united by a signature domain that binds oxysterols, sterols, and possibly other hydrophobic ligands. Oxysterols 164-174 oxysterol binding protein Homo sapiens 0-4 17938859-1 2008 OSBP (oxysterol-binding protein) and ORPs (OSBP-related proteins) constitute an enigmatic eukaryotic protein family that is united by a signature domain that binds oxysterols, sterols, and possibly other hydrophobic ligands. Oxysterols 164-174 oxysterol binding protein Homo sapiens 43-47 18068744-9 2008 Perhaps surprisingly, the retina expresses CYP 27A1 and CYP 46A1, enzymes with broad substrate specificity for ring-modified sterols, implying that, in addition to a rich blood supply for disposing of potentially toxic oxysterols, they can be detoxified locally. Oxysterols 219-229 cytochrome P450, family 27, subfamily a, polypeptide 1 Mus musculus 43-51 18068744-9 2008 Perhaps surprisingly, the retina expresses CYP 27A1 and CYP 46A1, enzymes with broad substrate specificity for ring-modified sterols, implying that, in addition to a rich blood supply for disposing of potentially toxic oxysterols, they can be detoxified locally. Oxysterols 219-229 cytochrome P450, family 46, subfamily a, polypeptide 1 Mus musculus 56-64 17846428-6 2007 In transfected 293 cells, efflux of 7-ketocholesterol and related oxysterols was completely dependent on expression of ABCG1 and the presence of HDL in media. Oxysterols 66-76 ATP binding cassette subfamily G member 1 Homo sapiens 119-124 18056036-6 2007 The net mural response to these stimuli promotes osteogenic differentiation of calcifying vascular cells, moreover, oxidation of vascular LDL cholesterol generates oxysterols that trigger Runx2 activity via hedgehog pathways. Oxysterols 164-174 RUNX family transcription factor 2 Homo sapiens 188-193 17887732-4 2007 The response of the ABCA1 gene to oxysterols/retinoids as well as the ligand-inducible recruitment of Sp1 and RXRalpha/LXRalpha heterodimers to the ABCA1 promoter was blocked by mithramycin A, a well-known Sp1 inhibitor. Oxysterols 34-44 ATP binding cassette subfamily A member 1 Homo sapiens 20-25 17887732-8 2007 Overall, the present study revealed a novel mechanism of regulation of the human ABCA1 transporter which involves synergistic interactions between oxysterol/retinoid-inducible hormone nuclear receptors and the transcription factor Sp1. Oxysterols 147-156 ATP binding cassette subfamily A member 1 Homo sapiens 81-86 17846428-10 2007 These findings indicate a specific role for ABCG1 in promoting efflux of 7-ketocholesterol and related oxysterols from macrophages onto HDL and in protecting these cells from oxysterol-induced cytotoxicity. Oxysterols 103-112 ATP binding cassette subfamily G member 1 Homo sapiens 44-49 22820672-4 2008 The inhibitory effects of oxysterols and TO901317 on the Pcyt2 promoter function, mRNA and protein expression were conserved in the human breast cancer cells MCF-7. Oxysterols 26-36 phosphate cytidylyltransferase 2, ethanolamine Homo sapiens 57-62 17638575-12 2007 To elucidate the molecular mechanism(s) by which 20S inhibits PPARgamma expression and adipogenic differentiation, we focused on the hedgehog signaling pathway, which we previously showed to be the mediator of osteogenic responses to oxysterols. Oxysterols 234-244 DNA segment, 20S Mus musculus 49-52 17887732-0 2007 Physical and functional interactions between liver X receptor/retinoid X receptor and Sp1 modulate the transcriptional induction of the human ATP binding cassette transporter A1 gene by oxysterols and retinoids. Oxysterols 186-196 ATP binding cassette subfamily A member 1 Homo sapiens 142-177 17887732-3 2007 In the present study, we show that the oxysterol/retinoid-induced transcription of the ABCA1 gene is modulated by the ubiquitous transcription factor Sp1 that binds to the proximal ABCA1 promoter, adjacently to the LXR/RXR responsive element. Oxysterols 39-48 ATP binding cassette subfamily A member 1 Homo sapiens 87-92 17887732-3 2007 In the present study, we show that the oxysterol/retinoid-induced transcription of the ABCA1 gene is modulated by the ubiquitous transcription factor Sp1 that binds to the proximal ABCA1 promoter, adjacently to the LXR/RXR responsive element. Oxysterols 39-48 ATP binding cassette subfamily A member 1 Homo sapiens 181-186 17887732-3 2007 In the present study, we show that the oxysterol/retinoid-induced transcription of the ABCA1 gene is modulated by the ubiquitous transcription factor Sp1 that binds to the proximal ABCA1 promoter, adjacently to the LXR/RXR responsive element. Oxysterols 39-48 retinoid X receptor alpha Homo sapiens 219-222 17573819-4 2007 Following their interaction with oxysterols, activation of LXRs induces the expression of ATP-binding cassette, sub-family A member 1, a pivotal modulator of cholesterol efflux. Oxysterols 33-43 ATP binding cassette subfamily A member 1 Homo sapiens 90-133 17624300-1 2007 Recently, a novel oxysterol, 5-cholesten-3beta, 25-diol 3-sulfate (25HC3S) was identified in primary rat hepatocytes following overexpression of the cholesterol transport protein, StarD1. Oxysterols 18-27 steroidogenic acute regulatory protein Rattus norvegicus 180-186 17573819-6 2007 Oxysterol-mediated LXR activation induces local apoE biosynthesis (predominantly in astrocytes) further enhancing cholesterol re-distribution and removal. Oxysterols 0-9 apolipoprotein E Homo sapiens 48-52 17573819-9 2007 Stress-induced up-regulation of the heme-degrading enzyme, heme oxygenase-1 in AD-affected astroglia may impact central lipid homeostasis by promoting the oxidation of cholesterol to a host of oxysterol intermediates. Oxysterols 193-202 heme oxygenase 1 Homo sapiens 59-75 17408620-5 2007 In the current study, we investigated whether ABC transporter family member G1 (ABCG1) may be involved in oxysterol transport, since its gene expression is highly responsive to oxysterol loading. Oxysterols 106-115 ATP binding cassette subfamily G member 1 Homo sapiens 80-85 17550979-7 2007 Because Mvk expression is regulated by sterol response element-binding protein-1, which is sensitive to the cellular concentration of 25-hydroxycholesterol (25-OHC), cultured granulosa cells were treated with this oxysterol, and the expression of Mvk gene was examined. Oxysterols 214-223 mevalonate kinase Homo sapiens 8-11 17550979-7 2007 Because Mvk expression is regulated by sterol response element-binding protein-1, which is sensitive to the cellular concentration of 25-hydroxycholesterol (25-OHC), cultured granulosa cells were treated with this oxysterol, and the expression of Mvk gene was examined. Oxysterols 214-223 mevalonate kinase Homo sapiens 247-250 17550979-10 2007 The results showed that the decrease in Mvk expression by oxysterol treatment abrogated ligand-induced down-regulation of LHR mRNA. Oxysterols 58-67 mevalonate kinase Homo sapiens 40-43 17550979-10 2007 The results showed that the decrease in Mvk expression by oxysterol treatment abrogated ligand-induced down-regulation of LHR mRNA. Oxysterols 58-67 luteinizing hormone/choriogonadotropin receptor Homo sapiens 122-125 17296605-7 2007 These results indicate that LXRalpha is regulated not only by oxysterol derivatives but also by PKA-mediated phosphorylation, which suggests that nutritional regulation of SREBP-1c and lipogenesis could be regulated at least partially through modulation of LXR. Oxysterols 62-71 nuclear receptor subfamily 1, group H, member 3 Rattus norvegicus 28-36 17428919-1 2007 Two classes of sterols, cholesterol and oxysterols, block export of sterol regulatory element-binding proteins (SREBPs) from the endoplasmic reticulum (ER) to the Golgi by preventing the binding of COPII-coated proteins to a hexapeptide sorting signal (MELADL) in Scap, the SREBP-escort protein. Oxysterols 40-50 SREBF chaperone Homo sapiens 264-268 17428919-3 2007 Cholesterol and oxysterols block COPII binding to MELADL by binding to different intracellular receptors, cholesterol to Scap and oxysterols to Insig. Oxysterols 16-26 SREBF chaperone Homo sapiens 121-125 17428920-4 2007 Here, we show that oxysterols act by binding to Insigs, causing Insigs to bind to Scap. Oxysterols 19-29 SREBF chaperone Homo sapiens 82-86 17408620-5 2007 In the current study, we investigated whether ABC transporter family member G1 (ABCG1) may be involved in oxysterol transport, since its gene expression is highly responsive to oxysterol loading. Oxysterols 177-186 ATP binding cassette subfamily G member 1 Homo sapiens 80-85 17200122-5 2007 This was demonstrated by 1) oxysterol-induced expression of the Hh target genes Gli-1 and Patched, 2) oxysterol-induced activation of a luciferase reporter driven by a multimerized Gli-responsive element, 3) inhibition of oxysterol effects by the hedgehog pathway inhibitor, cyclopamine, and 4) unresponsiveness of Smoothened-/- mouse embryonic fibroblasts to oxysterols. Oxysterols 28-37 GLI-Kruppel family member GLI1 Mus musculus 80-100 17031848-5 2007 Furthermore, oxysterol-induced-osteoblastic differentiation is marked by the prolonged DNA-binding activity of Runx2 in M2-10B4 bone marrow stromal cells (MSCs) and C3H10T1/2 embryonic fibroblastic cells. Oxysterols 13-22 runt related transcription factor 2 Mus musculus 111-116 17031848-7 2007 PKC- and PKA-dependent mechanisms appear to also regulate other markers of osteoblastic differentiation including alkaline phosphatase (ALP) activity and osteocalcin mRNA expression in response to oxysterols. Oxysterols 197-207 bone gamma-carboxyglutamate protein 2 Mus musculus 154-165 17031848-9 2007 Since Runx2 is an indispensable factor that regulates the differentiation of osteoblastic cells and bone formation in vitro and in vivo, its increased activity in oxysterol-treated cells further validates the potential role of oxysterols in lineage-specific differentiation of pluripotent mesenchymal cells and their potential therapeutic use as bone anabolic factors. Oxysterols 163-172 runt related transcription factor 2 Mus musculus 6-11 17200122-5 2007 This was demonstrated by 1) oxysterol-induced expression of the Hh target genes Gli-1 and Patched, 2) oxysterol-induced activation of a luciferase reporter driven by a multimerized Gli-responsive element, 3) inhibition of oxysterol effects by the hedgehog pathway inhibitor, cyclopamine, and 4) unresponsiveness of Smoothened-/- mouse embryonic fibroblasts to oxysterols. Oxysterols 102-111 GLI-Kruppel family member GLI1 Mus musculus 80-100 17200122-5 2007 This was demonstrated by 1) oxysterol-induced expression of the Hh target genes Gli-1 and Patched, 2) oxysterol-induced activation of a luciferase reporter driven by a multimerized Gli-responsive element, 3) inhibition of oxysterol effects by the hedgehog pathway inhibitor, cyclopamine, and 4) unresponsiveness of Smoothened-/- mouse embryonic fibroblasts to oxysterols. Oxysterols 102-111 smoothened, frizzled class receptor Mus musculus 315-325 17200122-5 2007 This was demonstrated by 1) oxysterol-induced expression of the Hh target genes Gli-1 and Patched, 2) oxysterol-induced activation of a luciferase reporter driven by a multimerized Gli-responsive element, 3) inhibition of oxysterol effects by the hedgehog pathway inhibitor, cyclopamine, and 4) unresponsiveness of Smoothened-/- mouse embryonic fibroblasts to oxysterols. Oxysterols 102-111 GLI-Kruppel family member GLI1 Mus musculus 80-100 17200122-5 2007 This was demonstrated by 1) oxysterol-induced expression of the Hh target genes Gli-1 and Patched, 2) oxysterol-induced activation of a luciferase reporter driven by a multimerized Gli-responsive element, 3) inhibition of oxysterol effects by the hedgehog pathway inhibitor, cyclopamine, and 4) unresponsiveness of Smoothened-/- mouse embryonic fibroblasts to oxysterols. Oxysterols 102-111 smoothened, frizzled class receptor Mus musculus 315-325 17200122-5 2007 This was demonstrated by 1) oxysterol-induced expression of the Hh target genes Gli-1 and Patched, 2) oxysterol-induced activation of a luciferase reporter driven by a multimerized Gli-responsive element, 3) inhibition of oxysterol effects by the hedgehog pathway inhibitor, cyclopamine, and 4) unresponsiveness of Smoothened-/- mouse embryonic fibroblasts to oxysterols. Oxysterols 360-370 GLI-Kruppel family member GLI1 Mus musculus 80-100 17364953-3 2007 Each oxysterol stimulated secretion of the inflammatory chemokine interleukin-8 (IL-8), but not IkappaBalpha degradation or tumour necrosis factor-alpha release from monocytic THP-1 cells. Oxysterols 5-14 C-X-C motif chemokine ligand 8 Homo sapiens 66-79 16730733-2 2007 We previously demonstrated that unsaturated fatty acids suppress the stimulatory effects of oxysterols and retinoids on ABCA1 gene transcription. Oxysterols 92-102 ATP binding cassette subfamily A member 1 Homo sapiens 120-125 16730733-3 2007 We here demonstrate that unsaturated fatty acids significantly suppress the stimulatory effects of oxysterols and retinoids on the expression of ABCG1 mRNA and protein and the activity of the wild-type human ABCG1 promoter as well as ABCA1. Oxysterols 99-109 ATP binding cassette subfamily G member 1 Homo sapiens 145-150 16730733-3 2007 We here demonstrate that unsaturated fatty acids significantly suppress the stimulatory effects of oxysterols and retinoids on the expression of ABCG1 mRNA and protein and the activity of the wild-type human ABCG1 promoter as well as ABCA1. Oxysterols 99-109 ATP binding cassette subfamily G member 1 Homo sapiens 208-213 17320768-3 2007 In the current study, we demonstrated that transient transfection of rat astroglia with human (h)ho-1 cDNA for 3 days significantly decreased intracellular cholesterol concentrations and increased levels of four oxysterol species (measured by GC/MS) compared to untreated control cultures and HO-1-transfected cells exposed to the HO inhibitor, tin mesoporphyrin (SnMP). Oxysterols 212-221 heme oxygenase 1 Homo sapiens 97-101 17364953-3 2007 Each oxysterol stimulated secretion of the inflammatory chemokine interleukin-8 (IL-8), but not IkappaBalpha degradation or tumour necrosis factor-alpha release from monocytic THP-1 cells. Oxysterols 5-14 C-X-C motif chemokine ligand 8 Homo sapiens 81-85 16901265-13 2006 In addition, our results indicate a critical role of SREBP-2 as a positive regulator of ABCA1 gene expression by enabling the generation of oxysterol ligands for LXR. Oxysterols 140-149 sterol regulatory element binding transcription factor 2 Homo sapiens 53-60 17393208-1 2007 Oxygenated derivates of cholesterol and lanosterol, known as oxysterols, have consistently displayed significant activity as inhibitors of 3-hydroxy-3-methylglutaryl (HMG) CoA reductase, a key regulatory enzyme in sterol biosynthesis. Oxysterols 61-71 3-hydroxy-3-methylglutaryl-CoA reductase Homo sapiens 139-185 17189208-0 2007 Enzymatic reduction of oxysterols impairs LXR signaling in cultured cells and the livers of mice. Oxysterols 23-33 nuclear receptor subfamily 1, group H, member 3 Mus musculus 42-45 17189208-3 2007 Here we provide two lines of evidence that oxysterols are LXR ligands in vitro and in vivo. Oxysterols 43-53 nuclear receptor subfamily 1, group H, member 3 Mus musculus 58-61 17189208-4 2007 First, overexpression of an oxysterol catabolic enzyme, cholesterol sulfotransferase, inactivates LXR signaling in several cultured mammalian cell lines but does not alter receptor response to the nonsterol agonist T0901317. Oxysterols 28-37 nuclear receptor subfamily 1, group H, member 3 Mus musculus 98-101 17189208-6 2007 Second, triple-knockout mice deficient in the biosynthesis of three oxysterol ligands of LXRs, 24S-hydroxycholesterol, 25-hydroxycholesterol, and 27-hydroxycholesterol, respond to dietary T0901317 by inducing LXR target genes in liver but show impaired responses to dietary cholesterol. Oxysterols 68-77 nuclear receptor subfamily 1, group H, member 3 Mus musculus 89-92 17189208-7 2007 We conclude that oxysterols are in vivo ligands for LXR. Oxysterols 17-27 nuclear receptor subfamily 1, group H, member 3 Mus musculus 52-55 17164181-0 2007 Cytotoxic effects of oxysterols produced during ozonolysis of cholesterol in murine GT1-7 hypothalamic neurons. Oxysterols 21-31 retinoic acid induced 1 Mus musculus 84-87 16901265-0 2006 SREBP-2 positively regulates transcription of the cholesterol efflux gene, ABCA1, by generating oxysterol ligands for LXR. Oxysterols 96-105 sterol regulatory element binding transcription factor 2 Homo sapiens 0-7 16901265-0 2006 SREBP-2 positively regulates transcription of the cholesterol efflux gene, ABCA1, by generating oxysterol ligands for LXR. Oxysterols 96-105 ATP binding cassette subfamily A member 1 Homo sapiens 75-80 16901265-13 2006 In addition, our results indicate a critical role of SREBP-2 as a positive regulator of ABCA1 gene expression by enabling the generation of oxysterol ligands for LXR. Oxysterols 140-149 ATP binding cassette subfamily A member 1 Homo sapiens 88-93 17073762-1 2006 The LXRs (liver X receptors) (LXRalpha and LXRbeta) are nuclear hormone receptors that are activated by oxysterols, endogenous oxidative metabolites of cholesterol. Oxysterols 104-114 nuclear receptor subfamily 1, group H, member 3 Mus musculus 30-38 17073762-1 2006 The LXRs (liver X receptors) (LXRalpha and LXRbeta) are nuclear hormone receptors that are activated by oxysterols, endogenous oxidative metabolites of cholesterol. Oxysterols 104-114 nuclear receptor subfamily 1, group H, member 2 Mus musculus 43-50 17073762-4 2006 In the adrenal gland, oxysterols are formed as intermediates in the conversion of cholesterol into steroid hormones and can act as endogenous activators of LXR. Oxysterols 22-32 nuclear receptor subfamily 1, group H, member 2 Mus musculus 156-159 17018531-10 2006 In addition, we find that NPC2 binds a range of cholesterol-related molecules (cholesterol precursors, plant sterols, some oxysterols, cholesterol sulfate, cholesterol acetate, and 5-alpha-cholestan-3-one) and that 27-hydroxysterol accumulates in NPC2-deficient mouse liver. Oxysterols 123-133 NPC intracellular cholesterol transporter 2 Mus musculus 26-30 16825952-2 2006 Increased immunolabeling to cholesterol and the oxysterol biosynthetic enzyme, cholesterol 24-hydroxylase, was observed in the rat hippocampus after kainate lesions. Oxysterols 48-57 cytochrome P450, family 46, subfamily a, polypeptide 1 Rattus norvegicus 79-105 16983501-5 2006 The specific activities of antioxidant enzymes superoxide dismutase and catalase were increased to different extents (1.17- to 6.43-fold), relative to controls, by the administration of individual oxysterols and the oxysterol mixture. Oxysterols 197-207 catalase Bos taurus 72-80 16983501-5 2006 The specific activities of antioxidant enzymes superoxide dismutase and catalase were increased to different extents (1.17- to 6.43-fold), relative to controls, by the administration of individual oxysterols and the oxysterol mixture. Oxysterols 197-206 catalase Bos taurus 72-80 17082746-1 2006 OSH3 is one of the seven yeast homologues of the oxysterol binding proteins (OSBPs) which have the major binding affinity to the oxysterols and function as regulator of cholesterol biosynthesis in mammals. Oxysterols 129-139 oxysterol-binding protein related protein OSH3 Saccharomyces cerevisiae S288C 0-4 17082746-2 2006 Mutational analysis of OSH3 showed that OSH3 plays a regulatory role in the yeast-to-hyphal transition through its oxysterol-binding domain in Saccharomyces cerevisiae. Oxysterols 115-124 oxysterol-binding protein related protein OSH3 Saccharomyces cerevisiae S288C 23-27 17082746-2 2006 Mutational analysis of OSH3 showed that OSH3 plays a regulatory role in the yeast-to-hyphal transition through its oxysterol-binding domain in Saccharomyces cerevisiae. Oxysterols 115-124 oxysterol-binding protein related protein OSH3 Saccharomyces cerevisiae S288C 40-44 16940355-3 2006 We show that the neurosteroid allopregnanolone (ALLO) and T0901317, a synthetic oxysterol ligand, act in concert to delay onset of neurological symptoms and prolong the lifespan of npc1(-/-) mice. Oxysterols 80-89 NPC intracellular cholesterol transporter 1 Mus musculus 181-185 16871576-7 2006 In conclusion, these observations establish LXRalpha as a crucial regulator of bile acid glucuronidation in humans and suggest that accumulation of oxysterols in hepatocytes during cholestasis favors bile acid detoxification as glucuronide conjugates. Oxysterols 148-158 nuclear receptor subfamily 1 group H member 3 Homo sapiens 44-52 17053191-7 2006 Upregulation of ABCA1 with oxysterols increased apoA-I binding and internalization. Oxysterols 27-37 ATP binding cassette subfamily A member 1 Homo sapiens 16-21 17053191-7 2006 Upregulation of ABCA1 with oxysterols increased apoA-I binding and internalization. Oxysterols 27-37 apolipoprotein A1 Homo sapiens 48-54 16920108-1 2006 Liver X receptor alpha (LXRalpha) is a member of the nuclear receptor superfamily that is activated by oxysterols, and plays a pivotal role in regulating the metabolism, transport and uptake of cholesterol. Oxysterols 103-113 nuclear receptor subfamily 1 group H member 3 Homo sapiens 24-32 16611739-0 2006 ABCA1 mediates high-affinity uptake of 25-hydroxycholesterol by membrane vesicles and rapid efflux of oxysterol by intact cells. Oxysterols 102-111 ATP binding cassette subfamily A member 1 Homo sapiens 0-5 16611739-8 2006 Evidence from in vitro studies indicates that oxysterols are potent inducers of genes involved in cellular cholesterol efflux and metabolism, including the ABCA1 gene, and repressors of genes involved in cholesterol synthesis or uptake. Oxysterols 46-56 ATP binding cassette subfamily A member 1 Homo sapiens 156-161 16941710-6 2006 These increases were associated with activation of liver X receptor alpha (LXRalpha) as a result of the increased tissue oxysterol concentrations. Oxysterols 121-130 nuclear receptor subfamily 1, group H, member 3 Rattus norvegicus 51-73 16941710-6 2006 These increases were associated with activation of liver X receptor alpha (LXRalpha) as a result of the increased tissue oxysterol concentrations. Oxysterols 121-130 nuclear receptor subfamily 1, group H, member 3 Rattus norvegicus 75-83 16941710-9 2006 In addition, bile acid biosynthesis was inhibited despite the reduced expression of the small heterodimer partner (SHP) and activated LXRalpha, which also appeared to contribute to the accumulation of oxysterols followed by the acceleration of cholesterol efflux. Oxysterols 201-211 nuclear receptor subfamily 0, group B, member 2 Rattus norvegicus 115-118 16941710-9 2006 In addition, bile acid biosynthesis was inhibited despite the reduced expression of the small heterodimer partner (SHP) and activated LXRalpha, which also appeared to contribute to the accumulation of oxysterols followed by the acceleration of cholesterol efflux. Oxysterols 201-211 nuclear receptor subfamily 1, group H, member 3 Rattus norvegicus 134-142 16941710-11 2006 Overexpression of the SREBP processing system contributed to the activation of LXRalpha by maintaining high oxysterol levels in tissue. Oxysterols 108-117 nuclear receptor subfamily 1, group H, member 3 Rattus norvegicus 79-87 16604541-8 2006 RESULTS: All oxysterols investigated are potent in vitro inducers of MCP-1, MIP-1beta, TNF-alpha, and/or IL-8 secretion, the latter involving the MEK/ERK1/2 cell signaling pathway. Oxysterols 13-23 mitogen-activated protein kinase 3 Homo sapiens 150-156 16571669-2 2006 One mechanism for regulation of this metabolic interface involves oxysterol binding protein (OSBP) via high-affinity binding to oxysterol regulators of cholesterol homeostasis and activation of SM synthesis at the Golgi apparatus. Oxysterols 66-75 LOW QUALITY PROTEIN: oxysterol-binding protein 1 Cricetulus griseus 93-97 16571669-5 2006 Additional RNAi experiments in human embryonic kidney 293 cells supported OSBP involvement in oxysterol-activated SM synthesis and also revealed a role for OSBP in basal SM synthesis. Oxysterols 94-103 oxysterol binding protein Homo sapiens 74-78 16604541-8 2006 RESULTS: All oxysterols investigated are potent in vitro inducers of MCP-1, MIP-1beta, TNF-alpha, and/or IL-8 secretion, the latter involving the MEK/ERK1/2 cell signaling pathway. Oxysterols 13-23 C-C motif chemokine ligand 2 Homo sapiens 69-74 16707575-4 2006 Here we show that cholesterol or specific oxysterols are the critical products of sterol synthesis required for Shh pathway signal transduction in MB cells. Oxysterols 42-52 sonic hedgehog signaling molecule Homo sapiens 112-115 16707575-7 2006 We also show that certain oxysterols can maximally activate Shh target gene transcription through the Smoothened (Smo) protein as effectively as the known Smo full agonist, SAG. Oxysterols 26-36 sonic hedgehog signaling molecule Homo sapiens 60-63 16707575-7 2006 We also show that certain oxysterols can maximally activate Shh target gene transcription through the Smoothened (Smo) protein as effectively as the known Smo full agonist, SAG. Oxysterols 26-36 smoothened, frizzled class receptor Homo sapiens 102-112 16707575-7 2006 We also show that certain oxysterols can maximally activate Shh target gene transcription through the Smoothened (Smo) protein as effectively as the known Smo full agonist, SAG. Oxysterols 26-36 smoothened, frizzled class receptor Homo sapiens 102-105 16707575-7 2006 We also show that certain oxysterols can maximally activate Shh target gene transcription through the Smoothened (Smo) protein as effectively as the known Smo full agonist, SAG. Oxysterols 26-36 smoothened, frizzled class receptor Homo sapiens 114-117 16505492-1 2006 This study reports the discovery of a novel sulfonated oxysterol found at high levels in the mitochondria and nuclei of primary rat hepatocytes after overexpression of the gene encoding steroidogenic acute regulatory protein (StarD1). Oxysterols 55-64 steroidogenic acute regulatory protein Rattus norvegicus 186-224 16604541-8 2006 RESULTS: All oxysterols investigated are potent in vitro inducers of MCP-1, MIP-1beta, TNF-alpha, and/or IL-8 secretion, the latter involving the MEK/ERK1/2 cell signaling pathway. Oxysterols 13-23 C-C motif chemokine ligand 4 Homo sapiens 76-85 16604541-8 2006 RESULTS: All oxysterols investigated are potent in vitro inducers of MCP-1, MIP-1beta, TNF-alpha, and/or IL-8 secretion, the latter involving the MEK/ERK1/2 cell signaling pathway. Oxysterols 13-23 tumor necrosis factor Homo sapiens 87-96 16604541-8 2006 RESULTS: All oxysterols investigated are potent in vitro inducers of MCP-1, MIP-1beta, TNF-alpha, and/or IL-8 secretion, the latter involving the MEK/ERK1/2 cell signaling pathway. Oxysterols 13-23 C-X-C motif chemokine ligand 8 Homo sapiens 105-109 16604541-8 2006 RESULTS: All oxysterols investigated are potent in vitro inducers of MCP-1, MIP-1beta, TNF-alpha, and/or IL-8 secretion, the latter involving the MEK/ERK1/2 cell signaling pathway. Oxysterols 13-23 mitogen-activated protein kinase kinase 7 Homo sapiens 146-149 16505492-1 2006 This study reports the discovery of a novel sulfonated oxysterol found at high levels in the mitochondria and nuclei of primary rat hepatocytes after overexpression of the gene encoding steroidogenic acute regulatory protein (StarD1). Oxysterols 55-64 steroidogenic acute regulatory protein Rattus norvegicus 226-232 16371446-4 2006 We hypothesized that the expression of BSEP was induced by oxysterols through activation of LXR. Oxysterols 59-69 ATP binding cassette subfamily B member 11 Homo sapiens 39-43 16371446-6 2006 The level of BSEP mRNA was increased as much as 5-fold upon oxysterol induction. Oxysterols 60-69 ATP binding cassette subfamily B member 11 Homo sapiens 13-17 16371446-7 2006 In contrast to our hypothesis, the oxysterol-induced up-regulation of BSEP is mediated through FXR but not LXR. Oxysterols 35-44 ATP binding cassette subfamily B member 11 Homo sapiens 70-74 16371446-7 2006 In contrast to our hypothesis, the oxysterol-induced up-regulation of BSEP is mediated through FXR but not LXR. Oxysterols 35-44 nuclear receptor subfamily 1 group H member 4 Homo sapiens 95-98 16371446-9 2006 Mutation of the FXR element IR1 in the BSEP promoter significantly reduced its ability to respond to oxysterol induction. Oxysterols 101-110 nuclear receptor subfamily 1 group H member 4 Homo sapiens 16-19 16371446-9 2006 Mutation of the FXR element IR1 in the BSEP promoter significantly reduced its ability to respond to oxysterol induction. Oxysterols 101-110 nischarin Homo sapiens 28-31 16371446-9 2006 Mutation of the FXR element IR1 in the BSEP promoter significantly reduced its ability to respond to oxysterol induction. Oxysterols 101-110 ATP binding cassette subfamily B member 11 Homo sapiens 39-43 16303770-7 2006 Chromatin immunoprecipitation assay confirmed that KLF13 binds proximal LDLR DNA sequences in vivo and that exogenous oxysterol up-regulates such binding. Oxysterols 118-127 low density lipoprotein receptor Homo sapiens 72-76 17086498-4 2005 Thus, we investigated the effect of oxysterols, including 25-hydroxycholesterol and 7beta-hydroxycholesterol, on IL-1beta-induced IL-8 production in Caco-2 cells (a human colon carcinoma cell line). Oxysterols 36-46 interleukin 1 beta Homo sapiens 113-121 16408938-6 2006 Osh5p from yeast is the first oxysterol binding protein homologue for which oxysterol binding is shown with this new technique. Oxysterols 30-39 oxysterol-binding protein related protein HES1 Saccharomyces cerevisiae S288C 0-5 16099444-8 2005 Furthermore, oxLDL inhibited exogenous cholesterol- and oxysterol-induced endothelial ABCA1 induction. Oxysterols 56-65 ATP binding cassette subfamily A member 1 Homo sapiens 86-91 15993097-9 2005 This is the first report demonstrating induction of TNF-alpha-mediated death by oxysterol in cells. Oxysterols 80-89 tumor necrosis factor Homo sapiens 52-61 16245954-0 2005 Role of oxysterol structure on the microdomain-induced microsolubilization of phospholipid membranes by apolipoprotein A-I. Oxysterols 8-17 apolipoprotein A1 Homo sapiens 104-122 16245954-2 2005 The kinetics of microsolubilization of dimyristoylphosphatidylcholine (DMPC) multilamellar vesicles by apolipoprotein A-I (apoA-I) to form discoidal high-density lipoproteins (rHDL) was dramatically affected by oxysterol chemical structure. Oxysterols 211-220 apolipoprotein A1 Homo sapiens 103-121 16245954-2 2005 The kinetics of microsolubilization of dimyristoylphosphatidylcholine (DMPC) multilamellar vesicles by apolipoprotein A-I (apoA-I) to form discoidal high-density lipoproteins (rHDL) was dramatically affected by oxysterol chemical structure. Oxysterols 211-220 apolipoprotein A1 Homo sapiens 123-129 16214031-0 2005 Oxysterol-induced up-regulation of MCP-1 expression and synthesis in macrophage cells. Oxysterols 0-9 C-C motif chemokine ligand 2 Homo sapiens 35-40 16214031-5 2005 Up-regulated expression and synthesis of MCP-1 by the oxysterol mixture was clearly dependent on a net increment of phosphorylation of extracellular signal-regulated kinase 1/2 (ERK1/2) and nuclear factor kappaB (NF-kappaB) nuclear binding. Oxysterols 54-63 C-C motif chemokine ligand 2 Homo sapiens 41-46 16214031-5 2005 Up-regulated expression and synthesis of MCP-1 by the oxysterol mixture was clearly dependent on a net increment of phosphorylation of extracellular signal-regulated kinase 1/2 (ERK1/2) and nuclear factor kappaB (NF-kappaB) nuclear binding. Oxysterols 54-63 mitogen-activated protein kinase 1 Homo sapiens 135-176 16214031-5 2005 Up-regulated expression and synthesis of MCP-1 by the oxysterol mixture was clearly dependent on a net increment of phosphorylation of extracellular signal-regulated kinase 1/2 (ERK1/2) and nuclear factor kappaB (NF-kappaB) nuclear binding. Oxysterols 54-63 mitogen-activated protein kinase 3 Homo sapiens 178-184 16214031-5 2005 Up-regulated expression and synthesis of MCP-1 by the oxysterol mixture was clearly dependent on a net increment of phosphorylation of extracellular signal-regulated kinase 1/2 (ERK1/2) and nuclear factor kappaB (NF-kappaB) nuclear binding. Oxysterols 54-63 nuclear factor kappa B subunit 1 Homo sapiens 205-211 16214031-5 2005 Up-regulated expression and synthesis of MCP-1 by the oxysterol mixture was clearly dependent on a net increment of phosphorylation of extracellular signal-regulated kinase 1/2 (ERK1/2) and nuclear factor kappaB (NF-kappaB) nuclear binding. Oxysterols 54-63 nuclear factor kappa B subunit 1 Homo sapiens 213-222 15880703-9 2005 The protective effect of the oxysterols against oxidative stress was dependent on cyclooxygenase 1 and was associated with the osteogenic property of the oxysterols. Oxysterols 29-39 prostaglandin-endoperoxide synthase 1 Mus musculus 82-98 16270277-6 2005 As for HNE, the challenge of cells of the macrophage lineage with a mixture of oxysterols like that detectable in hypercholesterolemic individuals led to a marked overexpression of TGFbeta1 and MCP-1. Oxysterols 79-89 transforming growth factor beta 1 Homo sapiens 181-189 16270277-6 2005 As for HNE, the challenge of cells of the macrophage lineage with a mixture of oxysterols like that detectable in hypercholesterolemic individuals led to a marked overexpression of TGFbeta1 and MCP-1. Oxysterols 79-89 C-C motif chemokine ligand 2 Homo sapiens 194-199 15995174-0 2005 Acyl-coenzyme A:cholesterol acyltransferase promotes oxidized LDL/oxysterol-induced apoptosis in macrophages. Oxysterols 66-75 carboxylesterase 1G Mus musculus 0-43 15897605-7 2005 In contrast to selective cholesterol binding by StarD1, StarD5 bound the potent regulatory oxysterol, 25-hydroxycholesterol, in a concentration-dependent manner. Oxysterols 91-100 StAR related lipid transfer domain containing 5 Homo sapiens 56-62 15897605-9 2005 The ability of StarD5 to bind not only cholesterol but also 25-hydroxycholesterol, a potent inflammatory mediator and regulatory oxysterol, raises basic fundamental questions about StarD5"s role in the maintenance of cellular cholesterol homeostasis. Oxysterols 129-138 StAR related lipid transfer domain containing 5 Homo sapiens 15-21 15788406-0 2005 Oxysterols inhibit phosphatidylcholine synthesis via ERK docking and phosphorylation of CTP:phosphocholine cytidylyltransferase. Oxysterols 0-10 mitogen-activated protein kinase 1 Homo sapiens 53-56 15930522-5 2005 In particular, in vitro data suggest that oxysterols via the liver X receptor (LXR) inhibit phenobarbital (PB)-mediated induction of CYPs. Oxysterols 42-52 nuclear receptor subfamily 1, group H, member 2 Mus musculus 61-77 15930522-5 2005 In particular, in vitro data suggest that oxysterols via the liver X receptor (LXR) inhibit phenobarbital (PB)-mediated induction of CYPs. Oxysterols 42-52 nuclear receptor subfamily 1, group H, member 2 Mus musculus 79-82 15788406-2 2005 We observed that the oxysterol 22-hydroxycholesterol (22-HC) in combination with its obligate partner, 9-cis-retinoic acid (9-cis-RA), decreased surfactant phosphatidylcholine (PtdCho) synthesis by increasing phosphorylation of the regulatory enzyme CTP:phosphocholine cytidylyltransferase-alpha (CCTalpha). Oxysterols 21-30 phosphate cytidylyltransferase 1A, choline Homo sapiens 250-295 15788406-2 2005 We observed that the oxysterol 22-hydroxycholesterol (22-HC) in combination with its obligate partner, 9-cis-retinoic acid (9-cis-RA), decreased surfactant phosphatidylcholine (PtdCho) synthesis by increasing phosphorylation of the regulatory enzyme CTP:phosphocholine cytidylyltransferase-alpha (CCTalpha). Oxysterols 21-30 phosphate cytidylyltransferase 1A, choline Homo sapiens 297-305 15788406-6 2005 Expression of truncated CCTalpha mutants lacking proline-directed sites within the C-terminal phosphorylation domain partially blocked oxysterol-mediated inhibition of PtdCho synthesis. Oxysterols 135-144 phosphate cytidylyltransferase 1A, choline Homo sapiens 24-32 16403982-4 2005 As previously demonstrated for other lipid oxidation products present in LDL, namely a biologically representative mixture of oxysterols and the unesterified aldehyde 4-hydroxynonenal, these effects on TGFbeta1 by 9-ONC further points to LDL lipid oxidation as a powerful source of pro-fibrogenic stimuli. Oxysterols 126-136 transforming growth factor beta 1 Homo sapiens 202-210 16054077-2 2005 Liver X receptors (LXRs) are oxysterol sensors that are required for normal cholesterol and triglyceride homeostasis, yet synthetic LXR agonists produce undesirable hypertriglyceridemia. Oxysterols 29-38 nuclear receptor subfamily 1, group H, member 3 Mus musculus 19-22 15499039-4 2005 Activation of Bax also occurs in free cholesterol-loaded and oxysterol-treated mouse macrophages. Oxysterols 61-70 BCL2-associated X protein Mus musculus 14-17 15907394-6 2005 Similar Golgi-ER targeting motifs are also present in the oxysterol-binding protein (OSBP), which regulates ceramide transport and SM synthesis in an oxysterol-dependent manner. Oxysterols 58-67 oxysterol binding protein Homo sapiens 85-89 15649656-11 2005 Finally, both isoforms of oxysterols directly released cytochrome c only in conjunction with protein containing cytosol and endoplasmatic reticulum. Oxysterols 26-36 cytochrome c, somatic Homo sapiens 55-67 15509573-3 2005 Studies have shown that SREBP-1c expression is dependent on insulin but also on the availability of oxysterols, ligands of the nuclear liver X receptor (LXR). Oxysterols 100-110 sterol regulatory element binding transcription factor 1 Homo sapiens 24-32 15242983-8 2004 We demonstrated that only oxLDL containing a high proportion of oxysterols and phosphatidylcholine hydroperoxide derivatives that provide ligands for liver X receptor (LXR) and peroxisomal proliferator-activated receptor gamma (PPARgamma), respectively, reduced trophoblast invasion. Oxysterols 64-74 peroxisome proliferator activated receptor gamma Homo sapiens 228-237 15364622-10 2004 However, none of these cell death markers was rescued when the SMCs had been exposed to the oxysterol for 24 h. CONCLUSION: The results indicate that cytochrome c release during oxysterol-induced SMC apoptosis is not caspase-dependent and occurs as a result of a reversible mitochondrial conformational change rather than swelling and rupture of the outer membrane. Oxysterols 178-187 cytochrome c Oryctolagus cuniculus 150-162 15242983-8 2004 We demonstrated that only oxLDL containing a high proportion of oxysterols and phosphatidylcholine hydroperoxide derivatives that provide ligands for liver X receptor (LXR) and peroxisomal proliferator-activated receptor gamma (PPARgamma), respectively, reduced trophoblast invasion. Oxysterols 64-74 peroxisome proliferator activated receptor gamma Homo sapiens 177-226 15292374-4 2004 A newly characterized synthetic oxysterol, N,N-dimethyl-3beta-hydroxycholenamide (DMHCA), represents a gene-selective LXR modulator that mediates potent transcriptional activation of ABCA1 gene expression while exhibiting minimal effects on SREBP-1c both in vitro and in vivo in mice. Oxysterols 32-41 nuclear receptor subfamily 1, group H, member 3 Mus musculus 118-121 15292374-4 2004 A newly characterized synthetic oxysterol, N,N-dimethyl-3beta-hydroxycholenamide (DMHCA), represents a gene-selective LXR modulator that mediates potent transcriptional activation of ABCA1 gene expression while exhibiting minimal effects on SREBP-1c both in vitro and in vivo in mice. Oxysterols 32-41 ATP-binding cassette, sub-family A (ABC1), member 1 Mus musculus 183-188 15292374-4 2004 A newly characterized synthetic oxysterol, N,N-dimethyl-3beta-hydroxycholenamide (DMHCA), represents a gene-selective LXR modulator that mediates potent transcriptional activation of ABCA1 gene expression while exhibiting minimal effects on SREBP-1c both in vitro and in vivo in mice. Oxysterols 32-41 sterol regulatory element binding transcription factor 1 Mus musculus 241-249 15191540-5 2004 We identified Fra-1 within the AP-1 DNA binding complex by supershift analysis of nuclear extracts from oxysterol-treated, cultured keratinocytes and confirmed that oxysterol treatment increased the levels of Fra-1 by western blot analysis. Oxysterols 104-113 FOS like 1, AP-1 transcription factor subunit Homo sapiens 14-19 15148325-7 2004 Both oxysterols inhibited production of Abeta in neurons, but 24(S)-hydroxycholesterol was approximately 1000-fold more potent than 27-hydroxycholesterol. Oxysterols 5-15 amyloid beta precursor protein Homo sapiens 40-45 15148325-10 2004 Oxysterols also inhibited protein kinase C activity and APP secretion following stimulation of protein kinase C. The selective expression of CYP46A1 around neuritic plaques and the potent inhibition of APP processing in neurons by 24(S)-hydroxycholesterol suggests that CYP46A1 affects the pathophysiology of AD and provides insight into how polymorphisms in the CYP46A1 gene might influence the pathophysiology of this prevalent disease. Oxysterols 0-10 cytochrome P450 family 46 subfamily A member 1 Homo sapiens 141-148 15148325-10 2004 Oxysterols also inhibited protein kinase C activity and APP secretion following stimulation of protein kinase C. The selective expression of CYP46A1 around neuritic plaques and the potent inhibition of APP processing in neurons by 24(S)-hydroxycholesterol suggests that CYP46A1 affects the pathophysiology of AD and provides insight into how polymorphisms in the CYP46A1 gene might influence the pathophysiology of this prevalent disease. Oxysterols 0-10 cytochrome P450 family 46 subfamily A member 1 Homo sapiens 270-277 15148325-10 2004 Oxysterols also inhibited protein kinase C activity and APP secretion following stimulation of protein kinase C. The selective expression of CYP46A1 around neuritic plaques and the potent inhibition of APP processing in neurons by 24(S)-hydroxycholesterol suggests that CYP46A1 affects the pathophysiology of AD and provides insight into how polymorphisms in the CYP46A1 gene might influence the pathophysiology of this prevalent disease. Oxysterols 0-10 cytochrome P450 family 46 subfamily A member 1 Homo sapiens 270-277 15191540-5 2004 We identified Fra-1 within the AP-1 DNA binding complex by supershift analysis of nuclear extracts from oxysterol-treated, cultured keratinocytes and confirmed that oxysterol treatment increased the levels of Fra-1 by western blot analysis. Oxysterols 165-174 FOS like 1, AP-1 transcription factor subunit Homo sapiens 14-19 15191540-5 2004 We identified Fra-1 within the AP-1 DNA binding complex by supershift analysis of nuclear extracts from oxysterol-treated, cultured keratinocytes and confirmed that oxysterol treatment increased the levels of Fra-1 by western blot analysis. Oxysterols 165-174 FOS like 1, AP-1 transcription factor subunit Homo sapiens 209-214 15191540-6 2004 Additionally, on Western and Northern analysis, oxysterol treatment increased two other AP-1 proteins, Jun-D and c-Fos, whereas Fra-2, Jun-B, and c-Jun were not changed. Oxysterols 48-57 JunD proto-oncogene, AP-1 transcription factor subunit Homo sapiens 103-108 15191540-6 2004 Additionally, on Western and Northern analysis, oxysterol treatment increased two other AP-1 proteins, Jun-D and c-Fos, whereas Fra-2, Jun-B, and c-Jun were not changed. Oxysterols 48-57 Fos proto-oncogene, AP-1 transcription factor subunit Homo sapiens 113-118 14992685-10 2004 The oxysterol also inhibited (i) the histamine- and thapsigargin-induced arachidonic acid release, and (ii) the phosphorylation of both cPLA2 and ERK1/2 (extracellular-signal-regulated kinases 1/2). Oxysterols 4-13 phospholipase A2 group IVA Homo sapiens 136-141 14992685-10 2004 The oxysterol also inhibited (i) the histamine- and thapsigargin-induced arachidonic acid release, and (ii) the phosphorylation of both cPLA2 and ERK1/2 (extracellular-signal-regulated kinases 1/2). Oxysterols 4-13 mitogen-activated protein kinase 3 Homo sapiens 146-152 14992685-10 2004 The oxysterol also inhibited (i) the histamine- and thapsigargin-induced arachidonic acid release, and (ii) the phosphorylation of both cPLA2 and ERK1/2 (extracellular-signal-regulated kinases 1/2). Oxysterols 4-13 mitogen-activated protein kinase 1 Homo sapiens 154-196 14973125-3 2004 Here, we demonstrate a role of 11beta-HSD1 in the metabolism of 7-ketocholesterol (7KC), the major dietary oxysterol. Oxysterols 107-116 hydroxysteroid 11-beta dehydrogenase 1 Rattus norvegicus 31-42 14764421-5 2004 Under steady-state conditions, most of the de novo synthesis of cholesterol in the brain appears to be balanced by excretion of the cytochrome P-450-generated oxysterol 24S-hydroxycholesterol. Oxysterols 159-168 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 132-148 15171789-7 2004 The stability of Cx43 at the plasma membrane following incubation with oxysterols was evaluated by biotinylation of cell surface proteins. Oxysterols 71-81 gap junction protein alpha 1 Bos taurus 17-21 14684380-8 2004 When Ch or Ch + CA were fed, hepatic concentrations of oxysterols, ligands for LXR-alpha increased to activate LXR-alpha, as evidenced by increased mRNA levels of ABCA1 and LPL. Oxysterols 55-65 nuclear receptor subfamily 1, group H, member 3 Rattus norvegicus 79-88 14684380-8 2004 When Ch or Ch + CA were fed, hepatic concentrations of oxysterols, ligands for LXR-alpha increased to activate LXR-alpha, as evidenced by increased mRNA levels of ABCA1 and LPL. Oxysterols 55-65 nuclear receptor subfamily 1, group H, member 3 Rattus norvegicus 111-120 14684380-8 2004 When Ch or Ch + CA were fed, hepatic concentrations of oxysterols, ligands for LXR-alpha increased to activate LXR-alpha, as evidenced by increased mRNA levels of ABCA1 and LPL. Oxysterols 55-65 ATP binding cassette subfamily A member 1 Rattus norvegicus 163-168 14684380-8 2004 When Ch or Ch + CA were fed, hepatic concentrations of oxysterols, ligands for LXR-alpha increased to activate LXR-alpha, as evidenced by increased mRNA levels of ABCA1 and LPL. Oxysterols 55-65 lipoprotein lipase Rattus norvegicus 173-176 15095019-4 2004 We report here on the in vitro oxysterol-metabolizing properties of human and rodent 11beta-HSD1. Oxysterols 31-40 hydroxysteroid 11-beta dehydrogenase 1 Homo sapiens 85-96 15072555-4 2004 To investigate whether oxysterols can regulate StAR expression, two steroidogenic cell lines, mouse Y1 adrenocortical and MA-10 Leydig tumor cells, were treated with various oxysterols and steroids, including 25-hydroxycholesterol (25 OHC), 22(R)OHC and 20alphaOHC. Oxysterols 23-33 steroidogenic acute regulatory protein Mus musculus 47-51 15072555-5 2004 The majority of these compounds rapidly increased StAR protein levels within as little as 1 h. The most potent oxysterols were 20alphaOHC for Y1 and 25 OHC for MA-10 cells. Oxysterols 111-121 steroidogenic acute regulatory protein Mus musculus 50-54 15072555-10 2004 Secondly, through direct conversion to steroid, oxysterols may account in part for StAR-independent steroid production in the body. Oxysterols 48-58 steroidogenic acute regulatory protein Mus musculus 83-87 15003524-1 2004 Oxysterol 7alpha-hydroxylase (CYP7B1) metabolizes oxysterols, potent regulators of lipid homeostasis. Oxysterols 50-60 cytochrome P450 family 7 subfamily B member 1 Homo sapiens 0-28 15003524-1 2004 Oxysterol 7alpha-hydroxylase (CYP7B1) metabolizes oxysterols, potent regulators of lipid homeostasis. Oxysterols 50-60 cytochrome P450 family 7 subfamily B member 1 Homo sapiens 30-36 15003524-3 2004 The present results indicate that sterol response element binding protein (SREBP), a family of oxysterol-responsive transcription factors that stimulates cholesterol synthesis, may be an important regulator of CYP7B1. Oxysterols 95-104 cytochrome P450 family 7 subfamily B member 1 Homo sapiens 210-216 15003524-8 2004 Our findings indicate that CYP7B1 transcription is controlled by SREBP and reveal a link between oxysterol-sensitive regulators and oxysterol metabolism. Oxysterols 97-106 cytochrome P450 family 7 subfamily B member 1 Homo sapiens 27-33 15003524-8 2004 Our findings indicate that CYP7B1 transcription is controlled by SREBP and reveal a link between oxysterol-sensitive regulators and oxysterol metabolism. Oxysterols 132-141 cytochrome P450 family 7 subfamily B member 1 Homo sapiens 27-33 15003524-9 2004 We propose that CYP7B1 is important for regulating cellular sterol content and protects against oxysterol-mediated toxicity. Oxysterols 96-105 cytochrome P450 family 7 subfamily B member 1 Homo sapiens 16-22 14999691-0 2004 Oxysterols induce cyclooxygenase-2 expression in cholangiocytes: implications for biliary tract carcinogenesis. Oxysterols 0-10 prostaglandin-endoperoxide synthase 2 Homo sapiens 18-34 14999691-4 2004 Therefore, we determined if oxysterols modulate COX-2 expression. Oxysterols 28-38 prostaglandin-endoperoxide synthase 2 Homo sapiens 48-53 14999691-5 2004 The effect of an oxysterol (22(R)-hydroxycholesterol, 22-HC) on COX-2 expression in KMBC cells, a human cholangiocarcinoma cell line, was examined. Oxysterols 17-26 prostaglandin-endoperoxide synthase 2 Homo sapiens 64-69 14999691-7 2004 This oxysterol activated p42/44 and p38 MAPK, but not JNK 1/2. Oxysterols 5-14 erythrocyte membrane protein band 4.2 Homo sapiens 25-28 14999691-7 2004 This oxysterol activated p42/44 and p38 MAPK, but not JNK 1/2. Oxysterols 5-14 mitogen-activated protein kinase 14 Homo sapiens 36-39 14999691-12 2004 This enhanced COX-2 protein expression by oxysterols may participate in the genesis and progression of cholangiocarcinoma. Oxysterols 42-52 prostaglandin-endoperoxide synthase 2 Homo sapiens 14-19 14769039-3 2004 Cholesterol- and oxysterol-mediated up-regulation of ABCA1 transcription includes the binding of the liver X receptor and retinoid X receptor (LXR/RXR) heterodimer to the DR-4 element of the ABCA1 promoter. Oxysterols 17-26 ATP binding cassette subfamily A member 1 Homo sapiens 53-58 15120425-7 2004 Oxysterol-resistant cells demonstrated no significant difference in the expression of several genes previously implicated in oxysterol resistance, but expressed the bcl-2 gene at significantly lower levels than those observed in control cells. Oxysterols 0-9 BCL2 apoptosis regulator Homo sapiens 165-170 14769039-3 2004 Cholesterol- and oxysterol-mediated up-regulation of ABCA1 transcription includes the binding of the liver X receptor and retinoid X receptor (LXR/RXR) heterodimer to the DR-4 element of the ABCA1 promoter. Oxysterols 17-26 retinoid X receptor alpha Homo sapiens 147-150 14769039-3 2004 Cholesterol- and oxysterol-mediated up-regulation of ABCA1 transcription includes the binding of the liver X receptor and retinoid X receptor (LXR/RXR) heterodimer to the DR-4 element of the ABCA1 promoter. Oxysterols 17-26 ATP binding cassette subfamily A member 1 Homo sapiens 191-196 14559920-0 2004 AKT/protein kinase B regulation of BCL family members during oxysterol-induced apoptosis. Oxysterols 61-70 thymoma viral proto-oncogene 1 Mus musculus 0-3 15052330-1 2004 Oxysterols are potent signalling lipids that directly bind liver X receptors (LXRs) and a subset of oxysterol binding protein (OSBP) related proteins (ORPs). Oxysterols 0-10 oxysterol binding protein Homo sapiens 100-125 15052330-1 2004 Oxysterols are potent signalling lipids that directly bind liver X receptors (LXRs) and a subset of oxysterol binding protein (OSBP) related proteins (ORPs). Oxysterols 0-10 oxysterol binding protein Homo sapiens 127-131 15051324-7 2004 With the aim to investigate the mechanisms underlying the quenching of 7K-dependent apoptosis by the oxysterol mixture, we found that the combined oxysterol mixture counteracted the ability of 7K given alone to strongly increase the steady-state level of reactive oxygen species (ROS) in macrophages as well as the up-regulation of the pro-apoptotic factor p21 and the triggering of the mitochondria-dependent pathway of apoptosis. Oxysterols 147-156 H3 histone pseudogene 16 Homo sapiens 357-360 14559920-4 2004 In this study, we demonstrate that, in the murine macrophage-like cell line P388D1, oxysterols (25-hydroxycholesterol and 7-ketocholesterol) induced the degradation of the prosurvival protein kinase AKT (protein kinase B). Oxysterols 84-94 thymoma viral proto-oncogene 1 Mus musculus 199-202 14559920-6 2004 These responses would be expected to activate the pro-apoptotic multi-BCL homology domain proteins BAX and BAK, leading to the previously reported release of cytochrome c observed during oxysterol-induced apoptosis. Oxysterols 187-196 BCL2-associated X protein Mus musculus 99-102 14559920-6 2004 These responses would be expected to activate the pro-apoptotic multi-BCL homology domain proteins BAX and BAK, leading to the previously reported release of cytochrome c observed during oxysterol-induced apoptosis. Oxysterols 187-196 BCL2-antagonist/killer 1 Mus musculus 107-110 14681840-2 2004 The aim of the current study was to ascertain whether the level of this oxysterol reflects hepatic cholesterol 7alpha-hydroxylase activity when plasma cholesterol concentrations are markedly changed. Oxysterols 72-81 cytochrome P450 7A1 Oryctolagus cuniculus 99-129 14994280-2 2004 Though not fully elucidated, the mechanism through which this oxysterol induces cell death is thought to involve the generation of an oxidative stress leading to perturbation of the mitochondrion and release of cytochrome c into the cytosol. Oxysterols 62-71 cytochrome c, somatic Homo sapiens 211-223 14512442-0 2003 Enhanced synthesis of the oxysterol 24(S),25-epoxycholesterol in macrophages by inhibitors of 2,3-oxidosqualene:lanosterol cyclase: a novel mechanism for the attenuation of foam cell formation. Oxysterols 26-35 lanosterol synthase Homo sapiens 94-130 12882648-12 2003 Finally, we have demonstrated that oxysterols act independent of interleukin-1beta and cAMP pathways to activate the sPLA(2) promoter. Oxysterols 35-45 phospholipase A2 group IIA Rattus norvegicus 117-124 14690017-11 2003 Clofibrate increases cytochrome P450 content and the resulting oxysterol generation may partly mediate the clofibrate-induced up-regulattion of LXRa and ABCA1, which are related to reverse cholesterol transport. Oxysterols 63-72 nuclear receptor subfamily 1, group H, member 3 Rattus norvegicus 144-148 14690017-11 2003 Clofibrate increases cytochrome P450 content and the resulting oxysterol generation may partly mediate the clofibrate-induced up-regulattion of LXRa and ABCA1, which are related to reverse cholesterol transport. Oxysterols 63-72 ATP binding cassette subfamily A member 1 Rattus norvegicus 153-158 14512442-3 2003 It is known that addition of exogenous oxysterols to cultured macrophages activates LXR, leading to increased expression of ABCA1 and cholesterol efflux. Oxysterols 39-49 ATP binding cassette subfamily A member 1 Homo sapiens 124-129 14512442-5 2003 Macrophage synthesis of 24(S),25-epoxycholesterol, a potent LXR ligand, increased 60-fold by partial inhibition of 2,3-oxidosqualene:lanosterol cyclase (OSC), a microsomal enzyme in both the cholesterol biosynthetic pathway and the alternative oxysterol synthetic pathway. Oxysterols 244-253 lanosterol synthase Homo sapiens 115-151 14512442-5 2003 Macrophage synthesis of 24(S),25-epoxycholesterol, a potent LXR ligand, increased 60-fold by partial inhibition of 2,3-oxidosqualene:lanosterol cyclase (OSC), a microsomal enzyme in both the cholesterol biosynthetic pathway and the alternative oxysterol synthetic pathway. Oxysterols 244-253 lanosterol synthase Homo sapiens 153-156 14551533-4 2003 The expression of the differentiation marker p57KIP2, proliferation marker PCNA (Proliferating Cell Nuclear Antigen) and fibers specific proteins gamma-crystallin, CP49, MIP26 following treatment with oxysterols was determined by western blot. Oxysterols 201-211 major intrinsic protein of lens fiber Homo sapiens 170-175 14612204-3 2003 The aim of this study was to investigate the effect of hypoxia on the secretion of IL-8 by oxysterol-stimulated macrophages. Oxysterols 91-100 C-X-C motif chemokine ligand 8 Homo sapiens 83-87 14612204-9 2003 Thus, hypoxia in atherosclerotic plaques may increase the secretion of IL-8 from oxysterol-containing foam cells, which subsequently may accelerate the progression of atherosclerosis. Oxysterols 81-90 C-X-C motif chemokine ligand 8 Homo sapiens 71-75 12897188-3 2003 In contrast, the mRNA levels of the LXRalpha target genes ATP binding cassette transporter A1 (ABCA1) and cholesteryl ester transfer protein (CETP) increased 5-fold and 2.3-fold, respectively, associated with significant increases in hepatic concentrations of oxysterols. Oxysterols 260-270 oxysterols receptor LXR-alpha Oryctolagus cuniculus 36-44 12897188-3 2003 In contrast, the mRNA levels of the LXRalpha target genes ATP binding cassette transporter A1 (ABCA1) and cholesteryl ester transfer protein (CETP) increased 5-fold and 2.3-fold, respectively, associated with significant increases in hepatic concentrations of oxysterols. Oxysterols 260-270 ATP-binding cassette sub-family A member 1 Oryctolagus cuniculus 58-93 12897188-3 2003 In contrast, the mRNA levels of the LXRalpha target genes ATP binding cassette transporter A1 (ABCA1) and cholesteryl ester transfer protein (CETP) increased 5-fold and 2.3-fold, respectively, associated with significant increases in hepatic concentrations of oxysterols. Oxysterols 260-270 ATP-binding cassette sub-family A member 1 Oryctolagus cuniculus 95-100 12897188-3 2003 In contrast, the mRNA levels of the LXRalpha target genes ATP binding cassette transporter A1 (ABCA1) and cholesteryl ester transfer protein (CETP) increased 5-fold and 2.3-fold, respectively, associated with significant increases in hepatic concentrations of oxysterols. Oxysterols 260-270 cholesteryl ester transfer protein Oryctolagus cuniculus 106-140 12897188-3 2003 In contrast, the mRNA levels of the LXRalpha target genes ATP binding cassette transporter A1 (ABCA1) and cholesteryl ester transfer protein (CETP) increased 5-fold and 2.3-fold, respectively, associated with significant increases in hepatic concentrations of oxysterols. Oxysterols 260-270 cholesteryl ester transfer protein Oryctolagus cuniculus 142-146 12719428-6 2003 Moreover, we demonstrate that treatment with oxysterols reduces cholesterol in NPC mutants and is able to correct the NPC1I1061T phenotype, the most prevalent NPC1 disease genotype. Oxysterols 45-55 NPC intracellular cholesterol transporter 1 Homo sapiens 118-122 12734199-7 2003 In MCF-7 cells, OS increases the intracellular concentration of sphingomyelin and other phospholipids and induces the translocation of the small GTPase p21Ras to GM1- and cholesterol-rich membrane areas. Oxysterols 16-18 HRas proto-oncogene, GTPase Homo sapiens 152-158 12547833-6 2003 The basal ABCA1 mRNA and protein levels detected in these cell types were increased markedly after exposure to oxysterols and 9-cis-retinoic acid, which are ligands for the nuclear hormone liver X receptors and retinoic X receptors, respectively. Oxysterols 111-121 ATP binding cassette subfamily A member 1 Rattus norvegicus 10-15 12876624-3 2003 In this study we demonstrate that oxysterols, which participate in maintaining cholesterol homeostasis, also down regulate fibrinogen expression. Oxysterols 34-44 fibrinogen beta chain Homo sapiens 123-133 12876624-5 2003 The inhibition of fibrinogen synthesis by oxysterols was maintained in interleukin-6 treated cells. Oxysterols 42-52 fibrinogen beta chain Homo sapiens 18-28 12876624-5 2003 The inhibition of fibrinogen synthesis by oxysterols was maintained in interleukin-6 treated cells. Oxysterols 42-52 interleukin 6 Homo sapiens 71-84 12876624-6 2003 Other oxysterols, that inhibit cholesterol synthesis by a feedback mechanism, also diminished fibrinogen expression in HepG2, rat H-4-II-E hepatoma cells and in primary human hepatocytes. Oxysterols 6-16 fibrinogen beta chain Homo sapiens 94-104 12706121-6 2003 Interestingly, while the presence of oxysterols in cell membranes significantly inhibits chemokine receptor function, this inhibitory effect does not involve alterations in receptor conformation, expression, or a direct antagonism of chemokine binding. Oxysterols 37-47 C-X-C motif chemokine receptor 4 Homo sapiens 89-107 12706121-7 2003 We propose here a novel mechanism for oxysterol-mediated inhibition of chemokine receptor function and the implications for the presence of oxysterols on immune cells. Oxysterols 38-47 C-X-C motif chemokine receptor 4 Homo sapiens 71-89 12488438-2 2003 In adult animals, insulin and oxysterols induce SREBP-1c gene transcription, whereas polyunsaturated fatty acids suppress the nuclear content of SREBP-1c through pre-translational regulatory mechanisms. Oxysterols 30-40 sterol regulatory element binding transcription factor 1 Rattus norvegicus 48-56 12704471-1 2003 The coordinated effect of lipid activated nuclear hormone receptors; liver X receptor (LXR), bound by oxysterol ligands and farnesoid X receptor (FXR), bound by bile acid ligands, act as genetic transcription factors to cause feed-forward cholesterol catabolism to bile acids and feedback repression of bile acid synthesis, respectively. Oxysterols 102-111 xenotropic and polytropic retrovirus receptor 1 Homo sapiens 75-85 12704471-1 2003 The coordinated effect of lipid activated nuclear hormone receptors; liver X receptor (LXR), bound by oxysterol ligands and farnesoid X receptor (FXR), bound by bile acid ligands, act as genetic transcription factors to cause feed-forward cholesterol catabolism to bile acids and feedback repression of bile acid synthesis, respectively. Oxysterols 102-111 xenotropic and polytropic retrovirus receptor 1 Homo sapiens 134-144 12704471-1 2003 The coordinated effect of lipid activated nuclear hormone receptors; liver X receptor (LXR), bound by oxysterol ligands and farnesoid X receptor (FXR), bound by bile acid ligands, act as genetic transcription factors to cause feed-forward cholesterol catabolism to bile acids and feedback repression of bile acid synthesis, respectively. Oxysterols 102-111 nuclear receptor subfamily 1 group H member 4 Homo sapiens 146-149 12633677-1 2003 The liver X receptors (LXRalpha and LXRbeta) are nuclear receptor transcription factors that are activated by certain oxysterol derivatives of cholesterol. Oxysterols 118-127 nuclear receptor subfamily 1 group H member 3 Homo sapiens 23-31 12633677-1 2003 The liver X receptors (LXRalpha and LXRbeta) are nuclear receptor transcription factors that are activated by certain oxysterol derivatives of cholesterol. Oxysterols 118-127 nuclear receptor subfamily 1 group H member 2 Homo sapiens 36-43 12554795-1 2003 In rodent liver, transcription of the gene encoding cholesterol 7alpha-hydroxylase (CYP7A1), which catalyzes the rate-limiting step in the classic bile acid synthetic pathway, is stimulated by the liver X receptor alpha (LXRalpha), a nuclear receptor for oxysterol metabolites of cholesterol. Oxysterols 255-264 cytochrome P450 family 7 subfamily A member 1 Homo sapiens 52-82 12554795-1 2003 In rodent liver, transcription of the gene encoding cholesterol 7alpha-hydroxylase (CYP7A1), which catalyzes the rate-limiting step in the classic bile acid synthetic pathway, is stimulated by the liver X receptor alpha (LXRalpha), a nuclear receptor for oxysterol metabolites of cholesterol. Oxysterols 255-264 cytochrome P450 family 7 subfamily A member 1 Homo sapiens 84-90 12554795-1 2003 In rodent liver, transcription of the gene encoding cholesterol 7alpha-hydroxylase (CYP7A1), which catalyzes the rate-limiting step in the classic bile acid synthetic pathway, is stimulated by the liver X receptor alpha (LXRalpha), a nuclear receptor for oxysterol metabolites of cholesterol. Oxysterols 255-264 nuclear receptor subfamily 1 group H member 3 Homo sapiens 221-229 12527036-0 2003 Oxysterols induce apoptosis and accumulation of cell cycle at G(2)/M phase in the human monocytic THP-1 cell line. Oxysterols 0-10 GLI family zinc finger 2 Homo sapiens 98-103 12527036-2 2003 Among the tested cell lines, both oxysterols showed the highest cytotoxicity to THP-1, human monocytic leukemia cell line. Oxysterols 34-44 GLI family zinc finger 2 Homo sapiens 80-85 12470667-0 2002 Oxysterol-activated LXRalpha/RXR induces hSR-BI-promoter activity in hepatoma cells and preadipocytes. Oxysterols 0-9 nuclear receptor subfamily 1 group H member 3 Homo sapiens 20-28 12542530-10 2003 Finally, immunohistochemistry demonstrated an inhibition in the production of the pro-inflammatory cytokines interleukin-1alpha and tumor necrosis factor alpha in the oxysterol-treated sites from both TPA- and oxazolone-treated animals. Oxysterols 167-176 interleukin 1 alpha Mus musculus 109-127 12542530-10 2003 Finally, immunohistochemistry demonstrated an inhibition in the production of the pro-inflammatory cytokines interleukin-1alpha and tumor necrosis factor alpha in the oxysterol-treated sites from both TPA- and oxazolone-treated animals. Oxysterols 167-176 tumor necrosis factor Mus musculus 132-159 12470667-0 2002 Oxysterol-activated LXRalpha/RXR induces hSR-BI-promoter activity in hepatoma cells and preadipocytes. Oxysterols 0-9 retinoid X receptor alpha Homo sapiens 29-32 12470667-0 2002 Oxysterol-activated LXRalpha/RXR induces hSR-BI-promoter activity in hepatoma cells and preadipocytes. Oxysterols 0-9 HSR Homo sapiens 41-44 12242342-1 2002 Oxysterols regulate cholesterol homeostasis through liver X receptor (LXR; cholesterol-lowering)- and sterol regulatory element-binding protein (SREBP; cholesterol-raising)-mediated signaling pathways. Oxysterols 0-10 CCHC-type zinc finger nucleic acid binding protein Homo sapiens 102-143 12161442-9 2002 Functional assays showed that 22:4,n6 was approximately 2-fold more effective than 20:4,n6 at inhibiting oxysterol-induced LXRalpha activity in HEK293-E cells, but had no effect on LXRalpha activity in HEK293-L cells. Oxysterols 105-114 nuclear receptor subfamily 1 group H member 3 Homo sapiens 123-131 12384498-6 2002 ABCA1 was induced by treatment with retinoic acid and several oxysterols, including 22(R)-hydroxycholesterol and 24-hydroxycholesterol. Oxysterols 62-72 ATP binding cassette subfamily A member 1 Rattus norvegicus 0-5 12242342-1 2002 Oxysterols regulate cholesterol homeostasis through liver X receptor (LXR; cholesterol-lowering)- and sterol regulatory element-binding protein (SREBP; cholesterol-raising)-mediated signaling pathways. Oxysterols 0-10 CCHC-type zinc finger nucleic acid binding protein Homo sapiens 145-150 12242342-2 2002 Previously we reported that the hypocholesterolemic agent LY295427 (4alpha-allylcholestan-3alpha-ol) reverses oxysterol-mediated suppression of SREBP processing. Oxysterols 110-119 CCHC-type zinc finger nucleic acid binding protein Homo sapiens 144-149 12242342-3 2002 We now report that LY295427 increases expression of insulin-induced gene-1 (INSIG-1) and restores SREBP processing in cells treated with oxysterols. Oxysterols 137-147 CCHC-type zinc finger nucleic acid binding protein Homo sapiens 98-103 12085989-8 2002 Our data suggested that the chronic exposure of hepatocytes and macrophage cells to high concentration of cholesterol or oxysterols may induce iNOS expression and subsequent synthesis of NO, which may be important in the pathogenesis of atherosclerosis. Oxysterols 121-131 nitric oxide synthase 2, inducible Mus musculus 143-147 12202460-5 2002 Oxysterols activate the liver orphan receptors (LXR) to induce cholesterol 7alpha-hydroxylase and ATP-binding cassette family of transporters and thus promote reverse cholesterol transport from the peripheral tissues to the liver for degradation to bile acids. Oxysterols 0-10 cytochrome P450 family 7 subfamily A member 1 Homo sapiens 63-93 12135663-5 2002 Similarly, the effect of oxysterols on HL60 and CD34+ cells was investigated using annexin V staining and flow cytometry to measure apoptosis. Oxysterols 25-35 CD34 molecule Homo sapiens 48-52 12135663-9 2002 Oxysterol treatment of HL60 cells inhibited cell growth and increased the number of annexin V+ and nitroblue tetrazolium+ cells. Oxysterols 0-9 annexin A5 Homo sapiens 84-93 12135663-10 2002 The percentage of viable, CD34+ annexin V+ cells also was increased with oxysterol treatment of purified HPCs in liquid culture. Oxysterols 73-82 CD34 molecule Homo sapiens 26-30 12135663-10 2002 The percentage of viable, CD34+ annexin V+ cells also was increased with oxysterol treatment of purified HPCs in liquid culture. Oxysterols 73-82 annexin A5 Homo sapiens 32-41 11884587-0 2002 Stat1-dependent, p53-independent expression of p21(waf1) modulates oxysterol-induced apoptosis. Oxysterols 67-76 signal transducer and activator of transcription 1 Homo sapiens 0-5 12056586-9 2002 Apolipoprotein (apo) analysis showed that oxysterol incorporation reduced the apoE content and altered the apoC phenotype of chylomicrons, which may have an impact on the removal of chylomicron remnants from plasma. Oxysterols 42-51 apolipoprotein E Rattus norvegicus 78-82 11884587-0 2002 Stat1-dependent, p53-independent expression of p21(waf1) modulates oxysterol-induced apoptosis. Oxysterols 67-76 tumor protein p53 Homo sapiens 17-20 11884587-0 2002 Stat1-dependent, p53-independent expression of p21(waf1) modulates oxysterol-induced apoptosis. Oxysterols 67-76 cyclin dependent kinase inhibitor 1A Homo sapiens 47-50 11884587-0 2002 Stat1-dependent, p53-independent expression of p21(waf1) modulates oxysterol-induced apoptosis. Oxysterols 67-76 cyclin dependent kinase inhibitor 1A Homo sapiens 51-55 11802775-1 2002 Oxysterol-binding protein (OSBP) is the prototypical member of a class of phospholipid and oxysterol-binding proteins that interacts with the Golgi apparatus and regulates lipid and cholesterol metabolism. Oxysterols 91-100 oxysterol binding protein Homo sapiens 0-25 12449021-3 2002 LXR/RXR heterodimers function as sensors for cellular oxysterols and, when activated by these agonists, increase the expression of genes that control sterol and fatty acid metabolism/homeostasis. Oxysterols 54-64 nuclear receptor subfamily 1, group H, member 3 Mus musculus 0-3 11741944-0 2002 Oxysterol activators of liver X receptor and 9-cis-retinoic acid promote sequential steps in the synthesis and secretion of tumor necrosis factor-alpha from human monocytes. Oxysterols 0-9 tumor necrosis factor Homo sapiens 124-151 11741944-1 2002 Liver X receptor alpha (LXRalpha), is a nuclear hormone receptor that is activated by oxysterols and plays a crucial role in regulating cholesterol and lipid metabolism in liver and cholesterol efflux from lipid-loaded macrophages. Oxysterols 86-96 nuclear receptor subfamily 1 group H member 3 Homo sapiens 24-32 11802775-1 2002 Oxysterol-binding protein (OSBP) is the prototypical member of a class of phospholipid and oxysterol-binding proteins that interacts with the Golgi apparatus and regulates lipid and cholesterol metabolism. Oxysterols 91-100 oxysterol binding protein Homo sapiens 27-31 11851725-0 2002 Oxysterols induce interleukin-1beta production in human macrophages. Oxysterols 0-10 interleukin 1 beta Homo sapiens 18-35 11755924-0 2002 Oxysterol-induced activation of macrophage NADPH-oxidase enhances cell-mediated oxidation of LDL in the atherosclerotic apolipoprotein E deficient mouse: inhibitory role for vitamin E. Oxysterols 0-9 apolipoprotein E Mus musculus 120-136 11641412-2 2001 Expression of ABCA1 may be increased by certain oxysterols such as 22(R)-hydroxycholesterol via activation of the nuclear hormone receptor liver X receptor (LXR). Oxysterols 48-58 ATP binding cassette subfamily A member 1 Homo sapiens 14-19 11851872-0 2002 Oxysterol stimulation of epidermal differentiation is mediated by liver X receptor-beta in murine epidermis. Oxysterols 0-9 nuclear receptor subfamily 1, group H, member 2 Mus musculus 66-87 11851872-5 2002 Moreover, oxysterol treatment increased the levels of involucrin, loricrin, and profilaggrin protein and mRNA in the epidermis, indicating that oxysterols stimulate epidermal differentiation. Oxysterols 10-19 loricrin Mus musculus 66-74 11851872-5 2002 Moreover, oxysterol treatment increased the levels of involucrin, loricrin, and profilaggrin protein and mRNA in the epidermis, indicating that oxysterols stimulate epidermal differentiation. Oxysterols 10-19 filaggrin Mus musculus 80-92 11851872-8 2002 Topical oxysterol treatment induced differentiation in liver X receptor-alpha-/- mice whereas in liver X receptor-beta-/- mice there was no increase in the expression of differentiation markers. Oxysterols 8-17 nuclear receptor subfamily 1, group H, member 3 Mus musculus 55-77 11577112-2 2001 Here we trace the hypocholesterolemic activity of LY295427 to an ability to reverse oxysterol-mediated suppression of sterol regulatory element-binding protein (SREBP) processing. Oxysterols 84-93 CCHC-type zinc finger nucleic acid binding protein Homo sapiens 118-159 11577112-2 2001 Here we trace the hypocholesterolemic activity of LY295427 to an ability to reverse oxysterol-mediated suppression of sterol regulatory element-binding protein (SREBP) processing. Oxysterols 84-93 CCHC-type zinc finger nucleic acid binding protein Homo sapiens 161-166 11577112-7 2001 LY295427 overcame the suppression of SREBP processing mediated by several oxysterols but not by LDL-derived cholesterol. Oxysterols 74-84 CCHC-type zinc finger nucleic acid binding protein Homo sapiens 37-42 11669638-1 2001 Cholesterol removal from lipid-loaded macrophages is an important, potentially antiatherogenic process, and we have previously shown that an oxysterol, 7-ketocholesterol (7K), can impair efflux to lipid-free apoprotein A-1 (apoA-1). Oxysterols 141-150 apolipoprotein A1 Homo sapiens 224-230 11546778-7 2001 We conclude that LXRalpha regulates its own expression in human macrophages and that this response is likely to amplify the effects of oxysterols on reverse cholesterol transport. Oxysterols 135-145 nuclear receptor subfamily 1 group H member 3 Homo sapiens 17-25 11689206-2 2001 We have examined the interaction of recombinant His-tagged caveolin-1 with cholesterol and 7-keto cholesterol, the most abundant non-enzymatically formed oxysterol found in oxidised LDL and atheromatous plaque. Oxysterols 154-163 caveolin 1 Homo sapiens 59-69 11606068-1 2001 Here we report the induction of gene expression of ABCG4, a member of the ABC transporter subfamily G, from human macrophages by oxysterols and retinoids, agonists of the nuclear receptors LXR and RXR. Oxysterols 129-139 ATP binding cassette subfamily G member 4 Homo sapiens 51-56 11606068-1 2001 Here we report the induction of gene expression of ABCG4, a member of the ABC transporter subfamily G, from human macrophages by oxysterols and retinoids, agonists of the nuclear receptors LXR and RXR. Oxysterols 129-139 retinoid X receptor alpha Homo sapiens 197-200 11397693-10 2001 Oxysterols and bile acids may also act via the ligand-activated nuclear receptors LXR and FXR to link the metabolic pathways controlling energy balance and lipid metabolism to nutritional state. Oxysterols 0-10 nuclear receptor subfamily 1, group H, member 3 Mus musculus 82-85 11500512-4 2001 Northern analysis using exon-specific probes confirms that oxysterol treatment results in >10-fold induction of ABCG1 transcripts that are derived from either exons 8-23 or exons 5, 7, and 11-23. Oxysterols 59-68 ATP binding cassette subfamily G member 1 Homo sapiens 115-120 11568019-6 2001 The ORP-3 predicted protein contains an oxysterol-binding domain. Oxysterols 40-49 oxysterol binding protein like 3 Homo sapiens 4-9 11568019-9 2001 Characterization and differential expression of ORP-3 implicates a possible role in the mediation of oxysterol effects on hematopoiesis. Oxysterols 101-110 oxysterol binding protein like 3 Homo sapiens 48-53 11500175-3 2001 In this study we have investigated the effect of four different oxysterols on an LPS-induced TNF-alpha secretion in human macrophages. Oxysterols 64-74 interferon regulatory factor 6 Homo sapiens 81-84 11500175-3 2001 In this study we have investigated the effect of four different oxysterols on an LPS-induced TNF-alpha secretion in human macrophages. Oxysterols 64-74 tumor necrosis factor Homo sapiens 93-102 11470525-1 2001 Oxysterol 7 alpha-hydroxylase catalyzes hydroxylation of oxysterols and neurosterols and plays a role in the alternative bile acid synthesis pathway. Oxysterols 57-67 cytochrome P450 family 7 subfamily B member 1 Homo sapiens 0-29 11470525-8 2001 Thus, regulation of CYP7B1 transcription by Sp1 may play a pivotal role in regulating oxysterol levels, which regulate cholesterol metabolism. Oxysterols 86-95 cytochrome P450 family 7 subfamily B member 1 Homo sapiens 20-26 11416019-9 2001 HST1 preferentially sulfonated DHEA and, to a lesser extent, oxysterols; whereas cholesterol was a negligible substrate. Oxysterols 61-71 fibroblast growth factor 4 Homo sapiens 0-4 11416019-10 2001 The reverse, however, was the case for the HST2 isoforms, particularly HST2b, which preferentially sulfonated cholesterol and oxysterols, in contrast to DHEA, which served as a poor substrate for this enzyme. Oxysterols 126-136 fibroblast growth factor 6 Homo sapiens 43-47 11521968-0 2001 Metabolism of an oxysterol, 7-ketocholesterol, by sterol 27-hydroxylase in HepG2 cells. Oxysterols 17-26 cytochrome P450 family 27 subfamily A member 1 Homo sapiens 50-71 11514559-2 2001 These oxysterols are formed from cholesterol by specific cytochrome P450 enzymes, CYP27, CYP46, and CYP7A, respectively. Oxysterols 6-16 cytochrome P450 family 27 subfamily A member 1 Homo sapiens 82-87 11514559-2 2001 These oxysterols are formed from cholesterol by specific cytochrome P450 enzymes, CYP27, CYP46, and CYP7A, respectively. Oxysterols 6-16 cytochrome P450 family 46 subfamily A member 1 Homo sapiens 89-94 11521968-11 2001 This is the first study to demonstrate that sterol 27-hydroxylase plays an important role in the metabolism of oxysterols such as 7K in liver cells. Oxysterols 111-121 cytochrome P450 family 27 subfamily A member 1 Homo sapiens 44-65 11397693-10 2001 Oxysterols and bile acids may also act via the ligand-activated nuclear receptors LXR and FXR to link the metabolic pathways controlling energy balance and lipid metabolism to nutritional state. Oxysterols 0-10 nuclear receptor subfamily 1, group H, member 4 Mus musculus 90-93 11284740-14 2001 Moreover, RNA analysis (reverse-transcription PCR, Northern blotting and in situ hybridization) revealed a high expression of cyp7b1 mRNA in the rat prostate, restricted to the epithelium, suggesting that cyp7b1 catalyses oxysterol 7alpha-hydroxylation in the prostate gland. Oxysterols 222-231 cytochrome P450 family 7 subfamily B member 1 Rattus norvegicus 126-132 11408574-1 2001 Oxysterol binding protein (OSBP) is the only protein known to bind specifically to the group of oxysterols with potent effects on cholesterol homeostasis. Oxysterols 96-106 oxysterol binding protein Homo sapiens 27-31 11325610-8 2001 Adherence of mononuclear cells to TNF-stimulated HUVEC monolayers was slightly inhibited by 7-ketocholesterol, but this oxysterol did not affect the basal adherence to non-stimulated HUVECs. Oxysterols 120-129 tumor necrosis factor Homo sapiens 34-37 11284740-14 2001 Moreover, RNA analysis (reverse-transcription PCR, Northern blotting and in situ hybridization) revealed a high expression of cyp7b1 mRNA in the rat prostate, restricted to the epithelium, suggesting that cyp7b1 catalyses oxysterol 7alpha-hydroxylation in the prostate gland. Oxysterols 222-231 cytochrome P450 family 7 subfamily B member 1 Rattus norvegicus 205-211 11171976-5 2001 These data suggest that transcription of the SREBP-1c gene in hepatocytes requires tonic activation of LXR by an oxysterol intermediate in the cholesterol biosynthetic pathway. Oxysterols 113-122 sterol regulatory element binding transcription factor 1 Rattus norvegicus 45-53 11238557-1 2001 The nuclear oxysterol-receptor paralogues LXRalpha and LXRbeta share a high degree of amino acid identity and bind endogenous oxysterol ligands with similar affinities. Oxysterols 12-21 nuclear receptor subfamily 1, group H, member 3 Mus musculus 42-50 11238557-1 2001 The nuclear oxysterol-receptor paralogues LXRalpha and LXRbeta share a high degree of amino acid identity and bind endogenous oxysterol ligands with similar affinities. Oxysterols 12-21 nuclear receptor subfamily 1, group H, member 2 Mus musculus 55-62 11300870-7 2001 Site-directed mutagenesis identified Trp(443) as an amino acid critical for activation of LXRalpha by oxysterol ligands. Oxysterols 102-111 nuclear receptor subfamily 1 group H member 3 Homo sapiens 90-98 11231926-6 2001 Oxysterols (7beta-hydroxycholesterol, 7-ketocholesterol, and cholesterol-5,6-epoxides), which are assumed to be the most toxic constituents of oxidized LDL, induced apoptosis in HAECs through calcium mobilization followed by activation of caspase-3. Oxysterols 0-10 caspase 3 Homo sapiens 239-248 11231926-7 2001 Ethanol, methanol, isopropanol, tert-butanol, and red wine all potentiated oxysterol-induced cell death up to 5-fold, paralleled by further induction of caspase-3. Oxysterols 75-84 caspase 3 Homo sapiens 153-162 10882719-7 2000 A partially purified and reconstituted cholesterol 7 alpha-hydroxylase enzyme fraction from pig liver showed 7 alpha-hydroxylase activity toward the same oxysterols as metabolized by expressed recombinant human and rat CYP7A. Oxysterols 154-164 cytochrome P450 family 7 subfamily A member 1 Sus scrofa 39-70 11179691-4 2001 Cotransfection with LXRalpha and RXRalpha expression plasmids strongly stimulated rat CYP7A1/luciferase reporter activity in HepG2 cells and oxysterol was not required. Oxysterols 141-150 nuclear receptor subfamily 1, group H, member 3 Rattus norvegicus 20-28 11179691-4 2001 Cotransfection with LXRalpha and RXRalpha expression plasmids strongly stimulated rat CYP7A1/luciferase reporter activity in HepG2 cells and oxysterol was not required. Oxysterols 141-150 retinoid X receptor alpha Rattus norvegicus 33-41 11095949-3 2000 Oxysterol-induced apoptosis in CHO-K1 was accompanied by caspase activation and was preceded by mitochondrial cytochrome c release. Oxysterols 0-9 cytochrome c Cricetulus griseus 110-122 11090131-1 2000 The discovery of oxysterols as the endogenous liver X receptor (LXR) ligands and subsequent gene targeting studies in mice provided strong evidence that LXR plays a central role in cholesterol metabolism. Oxysterols 17-27 nuclear receptor subfamily 1, group H, member 3 Mus musculus 46-62 11090131-1 2000 The discovery of oxysterols as the endogenous liver X receptor (LXR) ligands and subsequent gene targeting studies in mice provided strong evidence that LXR plays a central role in cholesterol metabolism. Oxysterols 17-27 nuclear receptor subfamily 1, group H, member 3 Mus musculus 64-67 11090131-1 2000 The discovery of oxysterols as the endogenous liver X receptor (LXR) ligands and subsequent gene targeting studies in mice provided strong evidence that LXR plays a central role in cholesterol metabolism. Oxysterols 17-27 nuclear receptor subfamily 1, group H, member 3 Mus musculus 153-156 11058697-6 2000 Addition of TNFalpha (10 ng/ml) and IFNgamma (20 ng/ml) enhanced the cytotoxicity of oxysterols and potentiated apoptosis. Oxysterols 85-95 tumor necrosis factor Homo sapiens 12-20 11058697-6 2000 Addition of TNFalpha (10 ng/ml) and IFNgamma (20 ng/ml) enhanced the cytotoxicity of oxysterols and potentiated apoptosis. Oxysterols 85-95 interferon gamma Homo sapiens 36-44 11233743-0 2001 Confocal analysis of phosphatidylserine externalization with the use of biotinylated annexin V revealed with streptavidin-FITC, -europium, -phycoerythrin or -Texas Red in oxysterol-treated apoptotic cells. Oxysterols 171-180 annexin A5 Homo sapiens 85-94 11030331-1 2000 The catabolism of cholesterol into bile acids is regulated by oxysterols and bile acids, which induce or repress transcription of the pathway"s rate-limiting enzyme cholesterol 7alpha-hydroxylase (CYP7A1). Oxysterols 62-72 cytochrome P450 family 7 subfamily A member 1 Homo sapiens 165-195 11035776-3 2000 We demonstrate that retroviral expression of LXR alpha in NIH 3T3 fibroblasts or RAW264.7 macrophages and/or treatment of these cells with oxysterol ligands of LXR results in 7- to 30-fold induction of the mRNA encoding the putative cholesterol/phospholipid transporter ATP-binding cassette (ABC)A1. Oxysterols 139-148 nuclear receptor subfamily 1 group H member 3 Homo sapiens 45-54 11035776-3 2000 We demonstrate that retroviral expression of LXR alpha in NIH 3T3 fibroblasts or RAW264.7 macrophages and/or treatment of these cells with oxysterol ligands of LXR results in 7- to 30-fold induction of the mRNA encoding the putative cholesterol/phospholipid transporter ATP-binding cassette (ABC)A1. Oxysterols 139-148 ATP binding cassette subfamily B member 6 (Langereis blood group) Homo sapiens 292-295 11035776-5 2000 We further demonstrate that expression of LXR alpha in NIH 3T3 fibroblasts and/or treatment of these cells with oxysterols is sufficient to stimulate cholesterol efflux to extracellular apolipoprotein AI. Oxysterols 112-122 apolipoprotein A1 Homo sapiens 186-203 10869358-8 2000 Sterol 27-hydroxylase therefore appears to represent an important pathway by which macrophages eliminate not only cholesterol but also oxysterols such as 7K. Oxysterols 135-145 cytochrome P450 family 27 subfamily A member 1 Homo sapiens 0-21 11030331-1 2000 The catabolism of cholesterol into bile acids is regulated by oxysterols and bile acids, which induce or repress transcription of the pathway"s rate-limiting enzyme cholesterol 7alpha-hydroxylase (CYP7A1). Oxysterols 62-72 cytochrome P450 family 7 subfamily A member 1 Homo sapiens 197-203 10933125-6 2000 Importantly, the effects of oxysterols, such as 7-ketocholesterol (7KC), on cholesterol and other lipid efflux by apoA-I needs to be investigated in any attempt to utilise apoA-I as an agent to stimulate efflux of lipids. Oxysterols 28-38 apolipoprotein A1 Homo sapiens 114-120 10938412-11 2000 In our previous study, we found that oxLDL also contained high levels of oxysterols and thiobarbituric acid reactive substances (TBARS), which enhanced platelet reactivity to thrombin and increased TXA(2) release. Oxysterols 73-83 coagulation factor II, thrombin Homo sapiens 175-183 10748047-1 2000 The synthesis of 7alpha-hydroxylated bile acids from oxysterols requires an oxysterol 7alpha-hydroxylase encoded by the Cyp7b1 locus. Oxysterols 53-63 cytochrome P450, family 7, subfamily b, polypeptide 1 Mus musculus 76-104 10751394-10 2000 Finally, we showed that the lysosomal cholesterol pool in NP-C cells was substantially and preferentially reduced by incubating cells with the oxysterols, 25-hydroxycholesterol and 7-ketocholesterol; these findings suggest a new pharmacological approach to the treatment of NP-C disease. Oxysterols 143-153 NPC intracellular cholesterol transporter 1 Homo sapiens 58-62 10748048-3 2000 Plasma and tissue levels of 25- and 27-hydroxycholesterol, two oxysterol substrates of this enzyme with potent regulatory actions in cultured cells, were markedly elevated in Cyp7b1(-/-) knockout animals. Oxysterols 63-72 cytochrome P450, family 7, subfamily b, polypeptide 1 Mus musculus 175-181 10748047-1 2000 The synthesis of 7alpha-hydroxylated bile acids from oxysterols requires an oxysterol 7alpha-hydroxylase encoded by the Cyp7b1 locus. Oxysterols 53-63 cytochrome P450, family 7, subfamily b, polypeptide 1 Mus musculus 120-126 10720491-0 2000 Oxidized monocyte-derived macrophages in aortic atherosclerotic lesion from apolipoprotein E-deficient mice and from human carotid artery contain lipid peroxides and oxysterols. Oxysterols 166-176 apolipoprotein E Mus musculus 76-92 10799558-7 2000 Furthermore, the oxysterol-mediated induction of ABC8 expression in mouse peritoneal macrophages was dependent on the presence of the nuclear oxysterol receptors, liver X receptors (LXRs). Oxysterols 17-26 ATP binding cassette subfamily G member 1 Mus musculus 49-53 10799558-9 2000 Oxysterol-dependent induction of white/ABC8 mRNA was blocked by actinomycin D but not by cycloheximide treatment of cells. Oxysterols 0-9 ATP binding cassette subfamily G member 1 Homo sapiens 39-43 10462436-4 1999 Two other nuclear receptors, designated LXR and FXR, which are respectively activated by oxysterols and bile acids, also play a role in liver P450 expression, in this case regulation of P450 cholesterol 7alpha-hydroxylase, a key enzyme of bile acid biosynthesis. Oxysterols 89-99 nuclear receptor subfamily 1 group H member 4 Homo sapiens 48-51 10692116-10 2000 Either deletion of the -2452 bp to -1880 bp region of the involucrin promoter, or mutation of the AP-1 site within this region, abolished oxysterol responsiveness. Oxysterols 138-147 involucrin Homo sapiens 58-68 10692116-10 2000 Either deletion of the -2452 bp to -1880 bp region of the involucrin promoter, or mutation of the AP-1 site within this region, abolished oxysterol responsiveness. Oxysterols 138-147 JunB proto-oncogene, AP-1 transcription factor subunit Homo sapiens 98-102 10692116-11 2000 Moreover, increased AP-1 DNA binding was observed in oxysterol-treated keratinocytes by gel shift analyses. Oxysterols 53-62 JunB proto-oncogene, AP-1 transcription factor subunit Homo sapiens 20-24 10692116-13 2000 These data suggest that oxysterols induce keratinocyte differentiation, in part through increased AP-1-dependent transcription of the involucrin gene, an effect that may be mediated by liver X-activated receptor. Oxysterols 24-34 JunB proto-oncogene, AP-1 transcription factor subunit Homo sapiens 98-102 10692116-13 2000 These data suggest that oxysterols induce keratinocyte differentiation, in part through increased AP-1-dependent transcription of the involucrin gene, an effect that may be mediated by liver X-activated receptor. Oxysterols 24-34 involucrin Homo sapiens 134-144 10783008-3 2000 Growth studies based on dye exclusion by viable cells while using a sublethal concentration of oxysterols ranked their potency for cell kill as 25OHC > K15 > CK15 > CK7. Oxysterols 95-105 keratin 15 Homo sapiens 155-158 10783008-3 2000 Growth studies based on dye exclusion by viable cells while using a sublethal concentration of oxysterols ranked their potency for cell kill as 25OHC > K15 > CK15 > CK7. Oxysterols 95-105 keratin 15 Homo sapiens 164-168 10783008-3 2000 Growth studies based on dye exclusion by viable cells while using a sublethal concentration of oxysterols ranked their potency for cell kill as 25OHC > K15 > CK15 > CK7. Oxysterols 95-105 keratin 7 Homo sapiens 174-177 10675617-2 2000 Recent findings led to the suggestion that some of these functions are mediated by the nuclear receptors LXRalpha and LXRbeta owing to their potential to bind a group of naturally occurring oxysterols as their ligands. Oxysterols 190-200 nuclear receptor subfamily 1, group H, member 3 Mus musculus 105-113 10675617-2 2000 Recent findings led to the suggestion that some of these functions are mediated by the nuclear receptors LXRalpha and LXRbeta owing to their potential to bind a group of naturally occurring oxysterols as their ligands. Oxysterols 190-200 nuclear receptor subfamily 1, group H, member 2 Mus musculus 118-125 11480455-7 2000 LXRa is known to be activated by oxysterols, and the induced expression of the gene may be related to the foam cell formation in atherosclerotic lesions. Oxysterols 33-43 nuclear receptor subfamily 1 group H member 3 Homo sapiens 0-4 10462436-4 1999 Two other nuclear receptors, designated LXR and FXR, which are respectively activated by oxysterols and bile acids, also play a role in liver P450 expression, in this case regulation of P450 cholesterol 7alpha-hydroxylase, a key enzyme of bile acid biosynthesis. Oxysterols 89-99 cytochrome P450 family 2 subfamily B member 6 Homo sapiens 142-146 10462436-4 1999 Two other nuclear receptors, designated LXR and FXR, which are respectively activated by oxysterols and bile acids, also play a role in liver P450 expression, in this case regulation of P450 cholesterol 7alpha-hydroxylase, a key enzyme of bile acid biosynthesis. Oxysterols 89-99 cytochrome P450 family 2 subfamily B member 6 Homo sapiens 186-190 10439633-4 1999 Oxysterol binds to LXR and thereby induces transcription of cholesterol 7 alpha-hydroxylase, thus increasing the removal of cholesterol as bile acids. Oxysterols 0-9 cytochrome P450 family 7 subfamily A member 1 Homo sapiens 60-91 9882528-0 1999 Apoptosis induced by oxysterol in CEM cells is associated with negative regulation of c-myc. Oxysterols 21-30 MYC proto-oncogene, bHLH transcription factor Homo sapiens 86-91 10419025-0 1999 Glucocorticoids, oxysterols, and cAMP with glucocorticoids each cause apoptosis of CEM cells and suppress c-myc. Oxysterols 17-27 MYC proto-oncogene, bHLH transcription factor Homo sapiens 106-111 9880570-3 1999 Oxysterols (25-hydroxycholesterol and 7-ketocholesterol) reversed the inhibition of apoB degradation caused by 7alpha-hydroxylase. Oxysterols 0-10 apolipoprotein B Homo sapiens 84-88 9882528-2 1999 In the present study, we show that both c-myc mRNA and c-Myc protein levels are reduced only in oxysterol-sensitive and not in oxysterol-resistant cells after treatment with concentrations of 25OHC that kill the sensitive CEM cells. Oxysterols 96-105 MYC proto-oncogene, bHLH transcription factor Homo sapiens 40-45 9882528-2 1999 In the present study, we show that both c-myc mRNA and c-Myc protein levels are reduced only in oxysterol-sensitive and not in oxysterol-resistant cells after treatment with concentrations of 25OHC that kill the sensitive CEM cells. Oxysterols 96-105 MYC proto-oncogene, bHLH transcription factor Homo sapiens 55-60 9882528-2 1999 In the present study, we show that both c-myc mRNA and c-Myc protein levels are reduced only in oxysterol-sensitive and not in oxysterol-resistant cells after treatment with concentrations of 25OHC that kill the sensitive CEM cells. Oxysterols 127-136 MYC proto-oncogene, bHLH transcription factor Homo sapiens 40-45 9804848-3 1998 We examined the effects of oxysterols on the expression of steroidogenic acute regulatory protein (StAR), which increases the delivery of cholesterol to sterol-metabolizing P450s in the mitochondria. Oxysterols 27-37 steroidogenic acute regulatory protein Homo sapiens 99-103 9918530-6 1999 Evaluation of the effect of oxysterol components of OxLDL on TIMP-1 production revealed that 25-hydroxycholesterol (1 microg/mL) was the most potent inhibitor ( approximately 30% of control). Oxysterols 28-37 TIMP metallopeptidase inhibitor 1 Homo sapiens 61-67 9804848-14 1998 We conclude that 1) there are cell-specific effects of oxysterols on SF-1-dependent transactivation; 2) the ability to increase transactivation is limited to certain oxysterols; 3) there are cell-specific pathways of oxysterol metabolism; and 4) oxysterols elevate StAR protein levels through posttranscriptional actions. Oxysterols 55-64 splicing factor 1 Homo sapiens 69-73 9763219-3 1998 This trait is attributed to increased levels of oxysterols, produced upon partial inhibition of OSC, that suppress HMGR and other sterol-responsive genes. Oxysterols 48-58 3-hydroxy-3-methylglutaryl-coenzyme A reductase Mesocricetus auratus 115-119 9756919-7 1998 Both ACAT-1 and ACAT-2 also catalyzed the esterification of the 3beta-hydroxyl group of a variety of oxysterols. Oxysterols 101-111 sterol O-acyltransferase 2 Mus musculus 5-11 9756919-7 1998 Both ACAT-1 and ACAT-2 also catalyzed the esterification of the 3beta-hydroxyl group of a variety of oxysterols. Oxysterols 101-111 acetyl-Coenzyme A acetyltransferase 2 Mus musculus 16-22 9670991-0 1998 Inhibition of p42/p44 mitogen-activated protein kinase by oxysterols in rat astrocyte primary cultures and C6 glioma cell lines. Oxysterols 58-68 mitogen activated protein kinase 3 Rattus norvegicus 18-21 9428650-5 1997 These findings underline that these oxysterols could constitute major risk factors in atherosclerosis by their cytotoxicity and their ability to induce IL-1beta release which might favor the recruitment of immunocompetent cells in the atherosclerotic plaque. Oxysterols 36-46 interleukin 1 beta Homo sapiens 152-160 9607816-3 1998 A recent publication suggested that transcriptional regulation by SF-1, expressed in a non-steroidogenic CV-1 cells, could be activated by oxysterols suggesting that these compounds could serve as natural ligands for SF-1. Oxysterols 139-149 splicing factor 1 Mus musculus 66-70 9607816-3 1998 A recent publication suggested that transcriptional regulation by SF-1, expressed in a non-steroidogenic CV-1 cells, could be activated by oxysterols suggesting that these compounds could serve as natural ligands for SF-1. Oxysterols 139-149 splicing factor 1 Mus musculus 217-221 9422368-8 1998 ApoD was found to be a secreted protein from cultured normal astrocytes and treatment with the oxysterol, 25-hydroxycholesterol, markedly stimulated apoD release (by five- to 10-fold). Oxysterols 95-104 apolipoprotein D Mus musculus 0-4 9422368-8 1998 ApoD was found to be a secreted protein from cultured normal astrocytes and treatment with the oxysterol, 25-hydroxycholesterol, markedly stimulated apoD release (by five- to 10-fold). Oxysterols 95-104 apolipoprotein D Mus musculus 149-153 8831713-0 1996 Oxysterols induced apoptosis in cultured smooth muscle cells through CPP32 protease activation and bcl-2 protein downregulation. Oxysterols 0-10 caspase 3 Homo sapiens 69-74 9337870-1 1997 Oxysterol-binding protein (OSBP) is a high-affinity receptor for a variety of oxysterols, such as 25-hydroxycholesterol, that down-regulate cholesterol synthesis and stimulate cholesterol esterification. Oxysterols 78-88 LOW QUALITY PROTEIN: oxysterol-binding protein 1 Cricetulus griseus 0-25 9337870-1 1997 Oxysterol-binding protein (OSBP) is a high-affinity receptor for a variety of oxysterols, such as 25-hydroxycholesterol, that down-regulate cholesterol synthesis and stimulate cholesterol esterification. Oxysterols 78-88 LOW QUALITY PROTEIN: oxysterol-binding protein 1 Cricetulus griseus 27-31 9247143-0 1997 Bcl-2 protein inhibits oxysterol-induced apoptosis through suppressing CPP32-mediated pathway. Oxysterols 23-32 B cell leukemia/lymphoma 2 Mus musculus 0-5 9247143-0 1997 Bcl-2 protein inhibits oxysterol-induced apoptosis through suppressing CPP32-mediated pathway. Oxysterols 23-32 caspase 3 Mus musculus 71-76 9247143-3 1997 Oxysterols (7-ketocholesterol, 25-hydroxycholesterol) induced nuclear condensation and oligonucleosomal DNA fragmentation, which were partially inhibited by Bcl-2 over-expression. Oxysterols 0-10 B cell leukemia/lymphoma 2 Mus musculus 157-162 9247143-5 1997 These findings indicate that oxysterols induce apoptosis via Bcl-2-inhibitable and -uninhibitable pathways, and the former depends on CPP32 activation. Oxysterols 29-39 B cell leukemia/lymphoma 2 Mus musculus 61-66 9247143-5 1997 These findings indicate that oxysterols induce apoptosis via Bcl-2-inhibitable and -uninhibitable pathways, and the former depends on CPP32 activation. Oxysterols 29-39 caspase 3 Mus musculus 134-139 8878485-5 1996 Transactivation of LXR alpha by oxysterols occurs at concentrations at which these compounds exist in vivo. Oxysterols 32-42 nuclear receptor subfamily 1 group H member 3 Homo sapiens 19-28 9388269-12 1997 Alteration of cellular lipid homeostasis by preincubation in sterol/oxysterol or acetylated low density lipoprotein inhibits apoE, but not total protein, degradation in this fraction. Oxysterols 68-77 apolipoprotein E Homo sapiens 125-129 9380679-6 1997 Inhibition of LXRalpha could be reversed by addition of mevalonic acid and certain oxysterols but not by other products of mevalonic acid metabolism. Oxysterols 83-93 nuclear receptor subfamily 1 group H member 3 Homo sapiens 14-22 9081687-0 1997 Macrophages isolated from human atherosclerotic plaques produce IL-8, and oxysterols may have a regulatory function for IL-8 production. Oxysterols 74-84 C-X-C motif chemokine ligand 8 Homo sapiens 120-124 9081687-5 1997 When monocytes and monocyte-derived macrophages, in vitro, were exposed to a series of different oxysterols, we found that all oxysterols tested had a tendency to stimulate IL-8 production but that 25-hydroxycholesterol was the most potent one. Oxysterols 127-137 C-X-C motif chemokine ligand 8 Homo sapiens 173-177 9215799-5 1997 Analysis of lipid composition of Ox-HDL3 by gas chromatography revealed the presence of oxysterols (OS). Oxysterols 88-98 HDL3 Homo sapiens 36-40 9215799-5 1997 Analysis of lipid composition of Ox-HDL3 by gas chromatography revealed the presence of oxysterols (OS). Oxysterols 100-102 HDL3 Homo sapiens 36-40 9215799-6 1997 Enrichment of native HDL3 with oxysterols resulted in a reduced capacity to stimulate cholesterol efflux. Oxysterols 31-41 HDL3 Homo sapiens 21-25 9215799-7 1997 The reduced ability of OS-enriched HDL3 to elicit cholesterol efflux may contribute to cellular cholesterol accumulation and subsequently to atherosclerosis. Oxysterols 23-25 HDL3 Homo sapiens 35-39 8831713-0 1996 Oxysterols induced apoptosis in cultured smooth muscle cells through CPP32 protease activation and bcl-2 protein downregulation. Oxysterols 0-10 BCL2 apoptosis regulator Homo sapiens 99-104 8690807-8 1996 Similar effects on AP-1-binding were seen with the oxysterols, 7beta-hydroxycholesterol, 24- hydroxy-, 25-hydroxy-, and 27-hydroxy-cholesterol. Oxysterols 51-61 JunB proto-oncogene, AP-1 transcription factor subunit Homo sapiens 19-23 8690807-9 1996 Our data therefore suggest an effect of oxLDL on the DNA-binding of AP-1, which might be mediated by the oxysterol content of oxLDL. Oxysterols 105-114 JunB proto-oncogene, AP-1 transcription factor subunit Homo sapiens 68-72 7578268-5 1995 Oxysterol-resistant cells were isolated by exposing two murine lymphoma cell lines, K36 and EL4, to incremental concentrations of 7-ketocholestanol. Oxysterols 0-9 epilepsy 4 Mus musculus 92-95 8615754-8 1996 TF antigen expression was the same in oxysterol-treated and control cells as shown by flow cytometry. Oxysterols 38-47 coagulation factor III, tissue factor Homo sapiens 0-2 8615754-11 1996 Hence, oxysterol-induced phosphatidylserine exposure and enhanced TF activity may results from apoptosis. Oxysterols 7-16 coagulation factor III, tissue factor Homo sapiens 66-68 8567968-9 1996 It is tempting to suggest that an exposure to oxysterols may explain our earlier observation of a low level of LPL mRNA in arterial foam cells. Oxysterols 46-56 lipoprotein lipase Homo sapiens 111-114 8820110-10 1996 This effect of BIBX 79 on HMG-CoA reductase is thought to be mainly mediated by oxysterols that are formed by the cyclization of 2,3;22,23-diepoxysqualene. Oxysterols 80-90 3-hydroxy-3-methylglutaryl-CoA reductase Homo sapiens 26-43 8820113-7 1996 These results suggest that if mitochondrial sterol 27-hydroxylase plays a role in the regulation of LDL receptor activity, it is not through the formation of potent regulatory oxysterols, but through its effects on the availability and/or size of the free cholesterol pool regulating LDL receptor activity. Oxysterols 176-186 cytochrome P450 family 27 subfamily A member 1 Homo sapiens 44-65 8820113-7 1996 These results suggest that if mitochondrial sterol 27-hydroxylase plays a role in the regulation of LDL receptor activity, it is not through the formation of potent regulatory oxysterols, but through its effects on the availability and/or size of the free cholesterol pool regulating LDL receptor activity. Oxysterols 176-186 low density lipoprotein receptor Homo sapiens 100-112 7888303-7 1994 In conclusion, the potentiating effect of oxysterols on AA release seems to be exerted downstream to the growth factor receptor (as demonstrated here with EGF) and probably at the PKC level, but not exclusively. Oxysterols 42-52 epidermal growth factor like 1 Rattus norvegicus 155-158 7605920-5 1995 Progesterone, a steroid hormone that binds to apoD with high affinity (10(-6) mol l-1) and the oxysterol, 25-hydroxycholesterol which is a potent regulator of cellular cholesterol homeostasis in mammalian cells, differentially stimulated apoD, but not apoE secretion. Oxysterols 95-104 apolipoprotein D Homo sapiens 238-242 7605920-5 1995 Progesterone, a steroid hormone that binds to apoD with high affinity (10(-6) mol l-1) and the oxysterol, 25-hydroxycholesterol which is a potent regulator of cellular cholesterol homeostasis in mammalian cells, differentially stimulated apoD, but not apoE secretion. Oxysterols 95-104 apolipoprotein E Homo sapiens 252-256 7822296-0 1995 Activation of acyl-coenzyme A:cholesterol acyltransferase by cholesterol or by oxysterol in a cell-free system. Oxysterols 79-88 carboxylesterase 1 Homo sapiens 14-57 7897321-1 1994 The role of oxysterols as regulatory molecules in the suppression of 3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase activity was investigated in the intact rat in response to an acute dietary cholesterol challenge. Oxysterols 12-22 3-hydroxy-3-methylglutaryl-CoA reductase Rattus norvegicus 69-126 7888303-0 1994 Potentiation by cholesterol and vitamin D3 oxygenated derivatives of arachidonic acid release and prostaglandin E2 synthesis induced by the epidermal growth factor in NRK 49F cells: the role of protein kinase C. We have previously demonstrated that oxysterols and calcitriol potentiate arachidonic acid (AA) release and prostaglandin (PG) synthesis when NRK cells (fibroblastic clone 49F) are activated by foetal calf serum. Oxysterols 249-259 epidermal growth factor like 1 Rattus norvegicus 140-163 7888303-2 1994 In the present paper, we investigated the effect of some oxysterols and calcitriol on epidermal growth factor (EGF)-induced AA release and PGE2 synthesis in NRK cells. Oxysterols 57-67 epidermal growth factor like 1 Rattus norvegicus 86-109 7583531-5 1995 Oxysterols but not lysophosphatidylcholine inhibited lipopolysaccharide-induced NF-kappa B activation, suggesting that they may be responsible for the inhibitory effect of Ox-LDL. Oxysterols 0-10 nuclear factor kappa B subunit 1 Homo sapiens 80-90 7797494-3 1995 In the presence of low density lipoproteins (LDL) normal fibroblasts converted LDL cholesterol to the oxysterol 27-hydroxycholesterol in quantities apparently sufficient to down-regulate 3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase. Oxysterols 102-111 3-hydroxy-3-methylglutaryl-CoA reductase Homo sapiens 187-244 7744831-0 1995 Esterification of oxysterols by human plasma lecithin-cholesterol acyltransferase. Oxysterols 18-28 lecithin-cholesterol acyltransferase Homo sapiens 45-81 7744831-1 1995 In the present study, lecithin-cholesterol acyltransferase (LCAT) catalyzed esterification of oxysterols was investigated by using discoidal bilayer particles (DBP) containing various oxysterols, phosphatidylcholines, and apolipoprotein A-I. Oxysterols 94-104 lecithin-cholesterol acyltransferase Homo sapiens 22-58 7744831-1 1995 In the present study, lecithin-cholesterol acyltransferase (LCAT) catalyzed esterification of oxysterols was investigated by using discoidal bilayer particles (DBP) containing various oxysterols, phosphatidylcholines, and apolipoprotein A-I. Oxysterols 94-104 lecithin-cholesterol acyltransferase Homo sapiens 60-64 7744831-1 1995 In the present study, lecithin-cholesterol acyltransferase (LCAT) catalyzed esterification of oxysterols was investigated by using discoidal bilayer particles (DBP) containing various oxysterols, phosphatidylcholines, and apolipoprotein A-I. Oxysterols 94-104 apolipoprotein A1 Homo sapiens 222-240 7791533-1 1995 Side-chain oxysterols are known to be potent inhibitors of 3-hydroxy-3-methylglutaryl CoA reductase, a key regulatory enzyme in the biosynthesis of sterols. Oxysterols 11-21 3-hydroxy-3-methylglutaryl-CoA reductase Homo sapiens 59-99 7888303-2 1994 In the present paper, we investigated the effect of some oxysterols and calcitriol on epidermal growth factor (EGF)-induced AA release and PGE2 synthesis in NRK cells. Oxysterols 57-67 epidermal growth factor like 1 Rattus norvegicus 111-114 8057282-4 1994 In the same system, the related oxysterol, 25-hydroxycholesterol (1), at 10 microM lowered both HMGR mRNA levels and LDL-receptor activity by 58% and 64%, respectively. Oxysterols 32-41 3-hydroxy-3-methylglutaryl-CoA reductase Homo sapiens 96-100 8068724-2 1994 However, the regulatory effects of these oxysterols on cholesterol 7 alpha-hydroxylase, the rate-limiting enzyme in bile acid biosynthesis, is not clearly elucidated. Oxysterols 41-51 cytochrome P450 family 7 subfamily A member 1 Rattus norvegicus 55-86 8057282-4 1994 In the same system, the related oxysterol, 25-hydroxycholesterol (1), at 10 microM lowered both HMGR mRNA levels and LDL-receptor activity by 58% and 64%, respectively. Oxysterols 32-41 low density lipoprotein receptor Homo sapiens 117-129 8511800-7 1993 Taken together, our results demonstrate that LOVA is a unique inducer of P450 mRNA in cultured rat hepatocytes and implicate oxysterols as potential intracellular modulators of 2B1/2 induction. Oxysterols 125-135 UDP glucuronosyltransferase family 2 member B17 Rattus norvegicus 177-182 8217873-0 1993 Oxysterol-induced cell death in human leukemic T-cells correlates with oxysterol binding protein occupancy and is independent of glucocorticoid-induced apoptosis. Oxysterols 0-9 oxysterol binding protein Homo sapiens 71-96 8142309-0 1994 Oxysterol sensitive and resistant lymphoid cells: correlation with regulation of cellular nucleic acid binding protein mRNA. Oxysterols 0-9 CCHC-type zinc finger nucleic acid binding protein Homo sapiens 81-118 8142309-7 1994 The levels of CNBP mRNA are significantly reduced by 25-hydroxycholesterol in the sensitive CEM C7 cells, in which the dose response and time course are consistent with occupancy of the oxysterol binding protein by oxysterol and with subsequent cell kill. Oxysterols 186-195 CCHC-type zinc finger nucleic acid binding protein Homo sapiens 14-18 8142309-9 1994 Our results suggest a role for CNBP in oxysterol-induced regulation of cell viability and growth. Oxysterols 39-48 CCHC-type zinc finger nucleic acid binding protein Homo sapiens 31-35 1429619-2 1992 We examined the hypothesis that 7 alpha-hydroxylase may indirectly induce the expression of the LDL receptor by metabolizing, i.e. inactivating oxysterol repressors. Oxysterols 144-153 low-density lipoprotein receptor Cricetulus griseus 96-108 1329783-2 1992 Treatment of cells with oxysterol (2.5 microM) resulted in a greater than 90% inhibition of HMG-CoA reductase activity and a 3-fold reduction in its cognate mRNA level. Oxysterols 24-33 3-hydroxy-3-methylglutaryl-CoA reductase Homo sapiens 92-109 1429619-8 1992 The paradoxical induction of LDL receptor mRNA in transfected cells having greater amounts of cholesterol esters suggests that 7 alpha-hydroxylase may preferentially use oxysterols rather than cholesterol as substrates. Oxysterols 170-180 low-density lipoprotein receptor Cricetulus griseus 29-41 1429619-9 1992 The combined data are consistent with the proposal that 7 alpha-hydroxylase indirectly induces the LDL receptor gene by metabolizing (inactivating) oxysterol repressors. Oxysterols 148-157 low-density lipoprotein receptor Cricetulus griseus 99-111 2072040-9 1991 The stimulatory effect of HDL on apoE secretion can be clearly dissociated from cholesterol efflux; HDL stimulates apoE secretion from oxysterol-treated cells in the absence of measurable cholesterol efflux, while TNM-HDL promotes substantial cholesterol efflux from cholesterol-loaded cells but has no effect on apoE secretion. Oxysterols 135-144 apolipoprotein E Mus musculus 115-119 1895885-0 1991 Oxysterol incorporation into rat aorta resulting in elastin compositional changes. Oxysterols 0-9 elastin Rattus norvegicus 52-59 1352965-0 1992 Correlation among oxysterol potencies in the regulation of the degradation of 3-hydroxy-3-methylglutaryl CoA reductase, the repression of 3-hydroxy-3-methylglutaryl CoA synthase and affinities for the oxysterol receptor. Oxysterols 18-27 3-hydroxy-3-methylglutaryl-CoA reductase Homo sapiens 78-118 1782225-11 1991 Thus, along with other biological effects previously reported, oxysterols decrease membrane associated PKC activity in immune cells. Oxysterols 63-73 proline rich transmembrane protein 2 Homo sapiens 103-106 2072040-9 1991 The stimulatory effect of HDL on apoE secretion can be clearly dissociated from cholesterol efflux; HDL stimulates apoE secretion from oxysterol-treated cells in the absence of measurable cholesterol efflux, while TNM-HDL promotes substantial cholesterol efflux from cholesterol-loaded cells but has no effect on apoE secretion. Oxysterols 135-144 apolipoprotein E Mus musculus 115-119 2193823-5 1990 nsL-TP, which is identical to sterol carrier protein 2, transfers all common phospholipids, cholesterol and oxysterol derivatives between membranes. Oxysterols 108-117 sterol carrier protein 2 Rattus norvegicus 0-6 2193823-5 1990 nsL-TP, which is identical to sterol carrier protein 2, transfers all common phospholipids, cholesterol and oxysterol derivatives between membranes. Oxysterols 108-117 sterol carrier protein 2 Rattus norvegicus 30-54 30101477-8 2018 We conclude that OSBP and PKD1 form a complex that inhibits both the oxysterol-dependent activity of OSBP at the ER-Golgi and activation of PKD1. Oxysterols 69-78 oxysterol binding protein Homo sapiens 17-21 30101477-8 2018 We conclude that OSBP and PKD1 form a complex that inhibits both the oxysterol-dependent activity of OSBP at the ER-Golgi and activation of PKD1. Oxysterols 69-78 polycystin 1, transient receptor potential channel interacting Homo sapiens 26-30 30101477-8 2018 We conclude that OSBP and PKD1 form a complex that inhibits both the oxysterol-dependent activity of OSBP at the ER-Golgi and activation of PKD1. Oxysterols 69-78 oxysterol binding protein Homo sapiens 101-105 30101477-8 2018 We conclude that OSBP and PKD1 form a complex that inhibits both the oxysterol-dependent activity of OSBP at the ER-Golgi and activation of PKD1. Oxysterols 69-78 polycystin 1, transient receptor potential channel interacting Homo sapiens 140-144 34111427-3 2022 Recent work has demonstrated that endogenous cholesterol and oxidized cholesterol derivatives (oxysterols) bind and modulate SMO activity. Oxysterols 95-105 smoothened, frizzled class receptor Homo sapiens 125-128 7925343-6 1994 The small amount of 25-hydroxycholesterol 7 alpha-hydroxylase activity retained in a partially purified preparation of cholesterol 7 alpha-hydroxylase was not inhibited by addition of cholesterol, indicating that the oxysterol binding site is different from the cholesterol binding site, presumely due to the presence of two different enzymes. Oxysterols 217-226 cytochrome P450 family 7 subfamily A member 1 Sus scrofa 30-61 7925343-9 1994 It has been suggested that cholesterol 7 alpha-hydroxylase can preferentially use oxysterols, in particular 25-hydroxycholesterol, as substrates and by this means inactivate important physiological regulators of cholesterol homeostasis. Oxysterols 82-92 cytochrome P450 family 7 subfamily A member 1 Sus scrofa 27-58 34323663-12 2021 In HUVECs pre-stimulated with oxysterol, rivaroxaban decreased mRNA expression of IL-33, TNF-alpha, chemokines MCP-1, ICAM-1, VEGF and tissue factor (p < .01). Oxysterols 30-39 interleukin 33 Homo sapiens 82-87 34808332-5 2022 The present study evaluated the anti-inflammatory mechanisms of oxysterols, blood brain barrier (BBB) penetrable bioactive lipids, revealing that this intervention suppresses neuroinflammation by disrupting membrane lipid raft formation and caveolae-mediated endosomal IFN-gamma signaling. Oxysterols 64-74 interferon gamma Homo sapiens 269-278 34783962-5 2022 Endoglin expression is up-regulated in preeclamptic placentas, through mechanisms mainly induced by hypoxia, oxidative stress and oxysterol-mediated activation of liver X receptors. Oxysterols 130-139 endoglin Homo sapiens 0-8 34601222-9 2021 This methoxybenzoic acid down-regulated the oxysterol-induced expression of EDEM1, OS9, Sel1L-Hrd1 and p97/VCP1, all required for the recognition, recruitment and dislocation of misfolded proteins. Oxysterols 44-53 ER degradation enhancer, mannosidase alpha-like 1 Mus musculus 76-81 34601222-9 2021 This methoxybenzoic acid down-regulated the oxysterol-induced expression of EDEM1, OS9, Sel1L-Hrd1 and p97/VCP1, all required for the recognition, recruitment and dislocation of misfolded proteins. Oxysterols 44-53 amplified in osteosarcoma Mus musculus 83-86 34601222-9 2021 This methoxybenzoic acid down-regulated the oxysterol-induced expression of EDEM1, OS9, Sel1L-Hrd1 and p97/VCP1, all required for the recognition, recruitment and dislocation of misfolded proteins. Oxysterols 44-53 sel-1 suppressor of lin-12-like (C. elegans) Mus musculus 88-93 34601222-9 2021 This methoxybenzoic acid down-regulated the oxysterol-induced expression of EDEM1, OS9, Sel1L-Hrd1 and p97/VCP1, all required for the recognition, recruitment and dislocation of misfolded proteins. Oxysterols 44-53 synovial apoptosis inhibitor 1, synoviolin Mus musculus 94-98 34601222-9 2021 This methoxybenzoic acid down-regulated the oxysterol-induced expression of EDEM1, OS9, Sel1L-Hrd1 and p97/VCP1, all required for the recognition, recruitment and dislocation of misfolded proteins. Oxysterols 44-53 valosin containing protein Mus musculus 103-106 34323663-12 2021 In HUVECs pre-stimulated with oxysterol, rivaroxaban decreased mRNA expression of IL-33, TNF-alpha, chemokines MCP-1, ICAM-1, VEGF and tissue factor (p < .01). Oxysterols 30-39 vascular endothelial growth factor A Homo sapiens 126-130 34323663-12 2021 In HUVECs pre-stimulated with oxysterol, rivaroxaban decreased mRNA expression of IL-33, TNF-alpha, chemokines MCP-1, ICAM-1, VEGF and tissue factor (p < .01). Oxysterols 30-39 coagulation factor III, tissue factor Homo sapiens 135-148 34323663-12 2021 In HUVECs pre-stimulated with oxysterol, rivaroxaban decreased mRNA expression of IL-33, TNF-alpha, chemokines MCP-1, ICAM-1, VEGF and tissue factor (p < .01). Oxysterols 30-39 tumor necrosis factor Homo sapiens 89-98 34323663-12 2021 In HUVECs pre-stimulated with oxysterol, rivaroxaban decreased mRNA expression of IL-33, TNF-alpha, chemokines MCP-1, ICAM-1, VEGF and tissue factor (p < .01). Oxysterols 30-39 C-C motif chemokine ligand 2 Homo sapiens 111-116 34323663-12 2021 In HUVECs pre-stimulated with oxysterol, rivaroxaban decreased mRNA expression of IL-33, TNF-alpha, chemokines MCP-1, ICAM-1, VEGF and tissue factor (p < .01). Oxysterols 30-39 intercellular adhesion molecule 1 Homo sapiens 118-124 34492054-11 2021 In each drug-stimulated group, both ICAM-1 mRNA and protein levels were reduced after initial incubation with oxysterol (p<0.05). Oxysterols 110-119 intercellular adhesion molecule 1 Homo sapiens 36-42 34505423-4 2021 Oxy210, an oxysterol derivative, displays the unique property of antagonizing both Hedgehog (Hh) and transforming growth factor-beta (TGF-beta) signalling in primary human hepatic stellate cells (HSC). Oxysterols 11-20 tumor necrosis factor Homo sapiens 101-132 34505423-4 2021 Oxy210, an oxysterol derivative, displays the unique property of antagonizing both Hedgehog (Hh) and transforming growth factor-beta (TGF-beta) signalling in primary human hepatic stellate cells (HSC). Oxysterols 11-20 transforming growth factor alpha Homo sapiens 134-142 34239694-1 2021 The oxysterol 27-hydroxycholesterol (27HC) is the first identified endogenous selective estrogen receptor modulator (SERM), which like endogenous estrogen 17beta-estradiol (E2) induces the proliferation of estrogen receptor- (ER-) positive breast cancer cells in vitro. Oxysterols 4-13 estrogen receptor 1 Danio rerio 206-223 34270165-1 2021 The G protein-coupled receptor GPR183/EBI2, which is activated by oxysterols, is a therapeutic target for inflammatory and metabolic diseases where both antagonists and agonists are of potential interest. Oxysterols 66-76 G protein-coupled receptor 183 Homo sapiens 31-37 34270165-1 2021 The G protein-coupled receptor GPR183/EBI2, which is activated by oxysterols, is a therapeutic target for inflammatory and metabolic diseases where both antagonists and agonists are of potential interest. Oxysterols 66-76 G protein-coupled receptor 183 Homo sapiens 38-42 34298014-4 2021 Herein, we show that INSIGs mediate ATF4 upregulation upon interaction with oxysterol. Oxysterols 76-85 activating transcription factor 4 Homo sapiens 36-40 34298014-5 2021 Oxysterols that possess a high affinity for INSIG, such as 27- and 25-hydroxycholesterol (25HC), markedly induced the increase of ATF4 protein when compared with other oxysterols. Oxysterols 0-10 activating transcription factor 4 Homo sapiens 130-134 34298014-5 2021 Oxysterols that possess a high affinity for INSIG, such as 27- and 25-hydroxycholesterol (25HC), markedly induced the increase of ATF4 protein when compared with other oxysterols. Oxysterols 168-178 activating transcription factor 4 Homo sapiens 130-134 34281217-6 2021 In the liver, oxysterol-mediated LXR activation stimulated the synthesis of bile acids and in particular increased the levels of hydrophilic muricholic acids, which in turn reduced FXR signaling, as assessed in vivo with Fxr reporter mice. Oxysterols 14-23 nuclear receptor subfamily 1, group H, member 3 Mus musculus 33-36 34281217-6 2021 In the liver, oxysterol-mediated LXR activation stimulated the synthesis of bile acids and in particular increased the levels of hydrophilic muricholic acids, which in turn reduced FXR signaling, as assessed in vivo with Fxr reporter mice. Oxysterols 14-23 nuclear receptor subfamily 1, group H, member 4 Mus musculus 181-184 34281217-6 2021 In the liver, oxysterol-mediated LXR activation stimulated the synthesis of bile acids and in particular increased the levels of hydrophilic muricholic acids, which in turn reduced FXR signaling, as assessed in vivo with Fxr reporter mice. Oxysterols 14-23 nuclear receptor subfamily 1, group H, member 4 Mus musculus 221-224 34440907-3 2021 Recently, SMO is also shown to be regulated by small molecules, such as oxysterol, cholesterol, and phospholipid. Oxysterols 72-81 smoothened, frizzled class receptor Homo sapiens 10-13 34158867-10 2021 LDHB downregulation skewed TAMs to function as a lactate and sterol/oxysterol source for the proliferation of tumor cells. Oxysterols 68-77 lactate dehydrogenase B Homo sapiens 0-4 35462094-2 2022 Oxysterols (endogenous oxidized cholesterol derivatives) are the most potent endogenous LXRalpha-agonist. Oxysterols 0-10 nuclear receptor subfamily 1, group H, member 3 Rattus norvegicus 88-96 35462094-4 2022 OBJECTIVE: The current study aimed to investigate the effect of LXRalpha-activation by either endogenous oxysterols or a synthetic LXRalpha-agonist (LXRa) such as TO901317 on hepatic and cardiac gene expression of ABCC10 and SLC17A5 drug transporters in an experimentally hypercholesterolemic rat model. Oxysterols 105-115 nuclear receptor subfamily 1, group H, member 3 Rattus norvegicus 64-72 35462094-4 2022 OBJECTIVE: The current study aimed to investigate the effect of LXRalpha-activation by either endogenous oxysterols or a synthetic LXRalpha-agonist (LXRa) such as TO901317 on hepatic and cardiac gene expression of ABCC10 and SLC17A5 drug transporters in an experimentally hypercholesterolemic rat model. Oxysterols 105-115 ATP binding cassette subfamily C member 10 Rattus norvegicus 214-220 35462094-4 2022 OBJECTIVE: The current study aimed to investigate the effect of LXRalpha-activation by either endogenous oxysterols or a synthetic LXRalpha-agonist (LXRa) such as TO901317 on hepatic and cardiac gene expression of ABCC10 and SLC17A5 drug transporters in an experimentally hypercholesterolemic rat model. Oxysterols 105-115 solute carrier family 17 member 5 Rattus norvegicus 225-232 35234362-1 2022 ATP-binding cassette transporter G1 (ABCG1) is a cellular transmembrane protein that transports oxysterol efflux from cells to high-density lipoprotein (HDL) particles in the plasma. Oxysterols 96-105 ATP binding cassette subfamily G member 1 Mus musculus 0-35 35560019-9 2022 The transcription of IDOL was restored by adding either an LXR agonist T0901317 or oxysterol 22(R)-hydroxycholesterol, indicating that statin inhibited IDOL expression by reducing LXR activation. Oxysterols 83-92 myosin regulatory light chain interacting protein Homo sapiens 21-25 35560019-9 2022 The transcription of IDOL was restored by adding either an LXR agonist T0901317 or oxysterol 22(R)-hydroxycholesterol, indicating that statin inhibited IDOL expression by reducing LXR activation. Oxysterols 83-92 myosin regulatory light chain interacting protein Homo sapiens 152-156 35575904-0 2022 Oxysterol Compounds in Mouse Mutant alphaA- and alphaB-Crystallin Lenses Can Improve the Optical Properties of the Lens. Oxysterols 0-9 crystallin, alpha B Mus musculus 48-65 35303091-3 2022 We found upregulation of the oxysterol-producing enzymes CH25H and CYP7B1 and increased concentrations of 25-hydroxycholesterol upon Mtb infection in the lungs of mice. Oxysterols 29-38 cholesterol 25-hydroxylase Mus musculus 57-62 35303091-3 2022 We found upregulation of the oxysterol-producing enzymes CH25H and CYP7B1 and increased concentrations of 25-hydroxycholesterol upon Mtb infection in the lungs of mice. Oxysterols 29-38 cytochrome P450, family 7, subfamily b, polypeptide 1 Mus musculus 67-73 35577580-9 2022 In HUVECs pre-treated with oxysterol, rivaroxaban and dabigatran increased mRNA expression of TGF-beta, IL-37 and decreased mRNA expression of EBI3, p35, IL-23 and IL-18 as compared to 25-OHC(p<0.01). Oxysterols 27-36 transforming growth factor alpha Homo sapiens 94-102 35577580-9 2022 In HUVECs pre-treated with oxysterol, rivaroxaban and dabigatran increased mRNA expression of TGF-beta, IL-37 and decreased mRNA expression of EBI3, p35, IL-23 and IL-18 as compared to 25-OHC(p<0.01). Oxysterols 27-36 interleukin 37 Homo sapiens 104-109 35577580-9 2022 In HUVECs pre-treated with oxysterol, rivaroxaban and dabigatran increased mRNA expression of TGF-beta, IL-37 and decreased mRNA expression of EBI3, p35, IL-23 and IL-18 as compared to 25-OHC(p<0.01). Oxysterols 27-36 Epstein-Barr virus induced 3 Homo sapiens 143-147 35577580-9 2022 In HUVECs pre-treated with oxysterol, rivaroxaban and dabigatran increased mRNA expression of TGF-beta, IL-37 and decreased mRNA expression of EBI3, p35, IL-23 and IL-18 as compared to 25-OHC(p<0.01). Oxysterols 27-36 interleukin 12A Homo sapiens 149-152 35577580-9 2022 In HUVECs pre-treated with oxysterol, rivaroxaban and dabigatran increased mRNA expression of TGF-beta, IL-37 and decreased mRNA expression of EBI3, p35, IL-23 and IL-18 as compared to 25-OHC(p<0.01). Oxysterols 27-36 interleukin 23 subunit alpha Homo sapiens 154-159 35577580-9 2022 In HUVECs pre-treated with oxysterol, rivaroxaban and dabigatran increased mRNA expression of TGF-beta, IL-37 and decreased mRNA expression of EBI3, p35, IL-23 and IL-18 as compared to 25-OHC(p<0.01). Oxysterols 27-36 interleukin 18 Homo sapiens 164-169 34981658-6 2022 Accumulations of secondary bile acids and oxysterols were found in both the serum and liver tissue of LXRalpha activated mice. Oxysterols 42-52 nuclear receptor subfamily 1, group H, member 3 Mus musculus 102-110 34981658-9 2022 Conclusion: Our results indicated that chronic activation of LXRalpha promotes HCC, at least in part, by promoting innate immune suppressor as a result of accumulation of oxysterols, as well as up-regulation of the IL-6/Janus kinase/STAT3 signaling and complement pathways. Oxysterols 171-181 nuclear receptor subfamily 1, group H, member 3 Mus musculus 61-69 35234362-1 2022 ATP-binding cassette transporter G1 (ABCG1) is a cellular transmembrane protein that transports oxysterol efflux from cells to high-density lipoprotein (HDL) particles in the plasma. Oxysterols 96-105 ATP binding cassette subfamily G member 1 Mus musculus 37-42 35234362-2 2022 Previous studies have demonstrated that an ABCG1 deficiency exerts an antiatherosclerotic function through the effects of oxysterol accumulation in cells to enhance apoptosis and regulate inflammatory processes. Oxysterols 122-131 ATP binding cassette subfamily G member 1 Mus musculus 43-48 35234362-3 2022 However, whether the deficiency of ABCG1 and the corresponding changes in the efflux of oxysterols could take a series of impacts on the proteomic composition of HDL remains unclear. Oxysterols 88-98 ATP binding cassette subfamily G member 1 Mus musculus 35-40 35537452-0 2022 Structures of oxysterol sensor EBI2/GPR183, a key regulator of the immune response. Oxysterols 14-23 G protein-coupled receptor 183 Homo sapiens 31-35 35537452-0 2022 Structures of oxysterol sensor EBI2/GPR183, a key regulator of the immune response. Oxysterols 14-23 G protein-coupled receptor 183 Homo sapiens 36-42 35537452-1 2022 Oxysterols induce the migration of B-lymphocytes and dendritic cells to interfollicular regions of lymphoid tissues through binding the EBI2 (GPR183) to stimulate effective adaptive immunity and antibody production during infection. Oxysterols 0-10 G protein-coupled receptor 183 Homo sapiens 136-140 35537452-1 2022 Oxysterols induce the migration of B-lymphocytes and dendritic cells to interfollicular regions of lymphoid tissues through binding the EBI2 (GPR183) to stimulate effective adaptive immunity and antibody production during infection. Oxysterols 0-10 G protein-coupled receptor 183 Homo sapiens 142-148 35537452-5 2022 Mutations within the oxysterol binding site and the Galphai interface attenuate G protein signaling and abolish oxysterol-mediated cell migration indicating that G protein signaling directly involves in the oxysterol-EBI2 pathway. Oxysterols 112-121 G protein-coupled receptor 183 Homo sapiens 217-221 35464321-5 2022 27-hydroxycholesterol (27-OHC) is the major peripheral oxysterol that flows into the brain, and it affects beta-amyloid (Abeta) production and elimination as well as influencing other pathogenic mechanisms of AD. Oxysterols 55-64 amyloid beta precursor protein Homo sapiens 121-126 35121342-11 2022 In HUVECs pre-stimulated with oxysterol, dabigatran stimulation decreased mRNA expression of the proinflammatory cytokines IL-33 and TNF-alpha, chemokines MCP-1 ICAM-1 and VEGF (p < 0.01). Oxysterols 30-39 interleukin 33 Homo sapiens 123-128 35386720-4 2022 Macrophage exposure to oxidized LDLs (oxLDLs) or to necrotic plaque debris enriched with oxysterols induces HIF-1alpha -dependent pathways. Oxysterols 89-99 hypoxia inducible factor 1 subunit alpha Homo sapiens 108-118 35386720-11 2022 In conclusion, the impact of HIF-1alpha on cholesterol homeostasis within macrophages and the feedback activation of the inflammatory response by oxysterols via HIF-1alpha could play a deleterious role in atherosclerosis. Oxysterols 146-156 hypoxia inducible factor 1 subunit alpha Homo sapiens 29-39 35386720-11 2022 In conclusion, the impact of HIF-1alpha on cholesterol homeostasis within macrophages and the feedback activation of the inflammatory response by oxysterols via HIF-1alpha could play a deleterious role in atherosclerosis. Oxysterols 146-156 hypoxia inducible factor 1 subunit alpha Homo sapiens 161-171 35121342-11 2022 In HUVECs pre-stimulated with oxysterol, dabigatran stimulation decreased mRNA expression of the proinflammatory cytokines IL-33 and TNF-alpha, chemokines MCP-1 ICAM-1 and VEGF (p < 0.01). Oxysterols 30-39 tumor necrosis factor Homo sapiens 133-142 35082691-11 2021 In huCETP females, CETP in the circulation decreased HDL-cholesterol content and increased liver cholesterol uptake and liver cholesterol and oxysterol contents, which was associated with the upregulation of LXR target genes in long-chain polyunsaturated fatty acid biosynthesis and PPARalpha target genes in fatty acid beta-oxidation in the liver. Oxysterols 142-151 cholesteryl ester transfer protein Homo sapiens 19-23 35082691-11 2021 In huCETP females, CETP in the circulation decreased HDL-cholesterol content and increased liver cholesterol uptake and liver cholesterol and oxysterol contents, which was associated with the upregulation of LXR target genes in long-chain polyunsaturated fatty acid biosynthesis and PPARalpha target genes in fatty acid beta-oxidation in the liver. Oxysterols 142-151 nuclear receptor subfamily 1, group H, member 3 Mus musculus 208-211 32855528-5 2021 Mechanistically, ABT-199 acts as a competitive inhibitor of oxysterol by potentially targeting the cysteine rich domain (CRD) of Smo, rather as a BH3 mimetic. Oxysterols 60-69 smoothened, frizzled class receptor Homo sapiens 129-132 2742872-0 1989 Transfer of cholesterol and oxysterol derivatives by the nonspecific lipid transfer protein (sterol carrier protein 2): a study on its mode of action. Oxysterols 28-37 sterol carrier protein 2 Homo sapiens 57-91 2742872-0 1989 Transfer of cholesterol and oxysterol derivatives by the nonspecific lipid transfer protein (sterol carrier protein 2): a study on its mode of action. Oxysterols 28-37 sterol carrier protein 2 Homo sapiens 93-117 2742872-4 1989 In the presence of nsLTP, the transport of both cholesterol and the oxysterol derivatives was greatly enhanced; the highest rate of transport was observed for 25-hydroxycholesterol. Oxysterols 68-77 sterol carrier protein 2 Homo sapiens 19-24 3382396-1 1988 6-Nitrocholesterol has been shown to cause a 50% reduction in the level of 3-hydroxy-3-methylglutaryl coenzyme A reductase activity in animal cells in culture at 1.9 microM and it has relative binding affinity for the cytosolic oxysterol binding protein of 357 nM in cell-free extracts from the same cell line. Oxysterols 228-237 3-hydroxy-3-methylglutaryl-CoA reductase Homo sapiens 75-122 3782148-7 1986 The major oxysterol intermediate accumulated under all the conditions described above is the C-32 aldehyde in an approximate 3:1 ratio to the C-32 alcohol. Oxysterols 10-19 chemokine like factor Homo sapiens 93-97 3821388-1 1986 The intestinal absorption of 5,6 alpha-epoxy-5 alpha-cholesta-3 beta-ol, an oxysterol formed by cholesterol autoxidation, has been evaluated in the male Wistar rat. Oxysterols 76-85 integrin subunit beta 1 Rattus norvegicus 64-71 3390173-3 1988 Incubation with 10 micrograms/ml of oxysterol also reduced the total apo-B secretion measured by ELISA and increased intracellular apo-B mRNA level. Oxysterols 36-45 apolipoprotein B Homo sapiens 69-74 3390173-3 1988 Incubation with 10 micrograms/ml of oxysterol also reduced the total apo-B secretion measured by ELISA and increased intracellular apo-B mRNA level. Oxysterols 36-45 apolipoprotein B Homo sapiens 131-136 6490619-1 1984 Support for the role of a cytosolic oxysterol-binding protein in the regulation of 3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase was obtained by correlating the relative binding affinities of a wide range of oxysterols to their potency in suppressing HMG-CoA reductase activity in mouse fibroblast cell cultures. Oxysterols 220-230 3-hydroxy-3-methylglutaryl-Coenzyme A reductase Mus musculus 83-140 6736025-0 1984 Regulation of 3-hydroxy-3-methylglutaryl coenzyme A reductase by oxysterol by-products of cholesterol biosynthesis. Oxysterols 65-74 3-hydroxy-3-methylglutaryl-CoA reductase Rattus norvegicus 14-61 33631213-3 2021 Here, we show that 4beta-hydroxycholesterol (4beta-HC), a liver and serum abundant oxysterol of poorly defined function, is a potent and selective inducer of the master lipogenic transcription factor, Sterol Regulatory Element Binding Protein 1c (SREBP1c), but not the related steroidogenic transcription factor SREBP2. Oxysterols 83-92 sterol regulatory element binding transcription factor 1 Mus musculus 201-245 33118626-5 2021 The second part concentrates in the effects of 24S-HC at the cellular level, describing how this oxysterol affects cell viability, amyloid beta production, neurotransmission, and transcriptional activity. Oxysterols 97-106 amyloid beta precursor protein Homo sapiens 131-143 33792095-5 2021 RESULTS: As expected PCSK9ab treatment lowered serum cholesterol and oxysterol levels after 1 month. Oxysterols 69-78 proprotein convertase subtilisin/kexin type 9 Homo sapiens 21-26 33631213-5 2021 Unique among the oxysterol agonists of LXR, 4beta-HC induced expression of the lipogenic program downstream of SREBP1c and triggered de novo lipogenesis both in primary hepatocytes and in mouse liver. Oxysterols 17-26 nuclear receptor subfamily 1, group H, member 3 Mus musculus 39-42 33361391-1 2021 Liver X receptors (LXR) are transcription factors from the nuclear receptor family that are activated by oxysterols and synthetic high-affinity agonists. Oxysterols 105-115 nuclear receptor subfamily 1, group H, member 3 Mus musculus 0-17 33717065-4 2021 Therefore, in the present study putative genes encoding for CH25H were identified and amplified in common carp and rainbow trout cells and an HPLC-MS method was applied for determination of oxysterol concentrations in these cells under virus infection. Oxysterols 190-199 cholesterol 25-hydroxylase Homo sapiens 60-65 33361391-1 2021 Liver X receptors (LXR) are transcription factors from the nuclear receptor family that are activated by oxysterols and synthetic high-affinity agonists. Oxysterols 105-115 nuclear receptor subfamily 1, group H, member 3 Mus musculus 19-22 33359561-5 2021 In U937 promonocytic cells and in human umbilical vein endothelial cells, an oxysterol mixture and HNE were able to up-regulate the level and activity of PCSK6, resulting in MMP-9 activation as demonstrated by PCSK6 silencing. Oxysterols 77-86 proprotein convertase subtilisin/kexin type 6 Homo sapiens 154-159 33359561-5 2021 In U937 promonocytic cells and in human umbilical vein endothelial cells, an oxysterol mixture and HNE were able to up-regulate the level and activity of PCSK6, resulting in MMP-9 activation as demonstrated by PCSK6 silencing. Oxysterols 77-86 matrix metallopeptidase 9 Homo sapiens 174-179 33359561-5 2021 In U937 promonocytic cells and in human umbilical vein endothelial cells, an oxysterol mixture and HNE were able to up-regulate the level and activity of PCSK6, resulting in MMP-9 activation as demonstrated by PCSK6 silencing. Oxysterols 77-86 proprotein convertase subtilisin/kexin type 6 Homo sapiens 210-215 33359561-7 2021 For the first time, we demonstrated that both oxysterols and HNE, which substantially accumulate in the atherosclerotic plaque, up-regulate the activity of PCSK6. Oxysterols 46-56 proprotein convertase subtilisin/kexin type 6 Homo sapiens 156-161 33525692-6 2021 ROS and STAT3 activation has been correlated with the production of oxysterols and other hydroxylated fatty acids, and they have been recognized important as players of atherogenesis and cardiocirculatory system diseases. Oxysterols 68-78 signal transducer and activator of transcription 3 Homo sapiens 8-13 33360775-9 2021 Moreover, astrocyte conditioned media analysis revealed a significant increase in the release of Lcn2, cytokines, and chemokines in response to oxysterols. Oxysterols 144-154 lipocalin 2 Mus musculus 97-101 33360775-10 2021 A significant reduction of postsynaptic density protein 95 (PSD95) and a concurrent increase in cleaved caspase-3 protein levels have been demonstrated in neurons co-cultured with oxysterol-treated astrocytes, pointing out that mediators released by astrocytes have an impact on neurons. Oxysterols 180-189 discs large MAGUK scaffold protein 4 Mus musculus 27-58 33360775-10 2021 A significant reduction of postsynaptic density protein 95 (PSD95) and a concurrent increase in cleaved caspase-3 protein levels have been demonstrated in neurons co-cultured with oxysterol-treated astrocytes, pointing out that mediators released by astrocytes have an impact on neurons. Oxysterols 180-189 discs large MAGUK scaffold protein 4 Mus musculus 60-65 33360775-10 2021 A significant reduction of postsynaptic density protein 95 (PSD95) and a concurrent increase in cleaved caspase-3 protein levels have been demonstrated in neurons co-cultured with oxysterol-treated astrocytes, pointing out that mediators released by astrocytes have an impact on neurons. Oxysterols 180-189 caspase 3 Mus musculus 104-113 33360775-13 2021 Lcn2 has been shown to exert a key role in mediating the synaptotoxic effect of oxysterol-treated astrocytes. Oxysterols 80-89 lipocalin 2 Mus musculus 0-4 33409276-4 2020 In the present study, we found that in cultured carotid ECs, atherogenic stimulation by oxysterol 7-ketocholesterol (7-Ket) induced NLRP3 inflammasome formation and activation, reduced lysosome-multivesicular bodies (MVBs) fusion, and increased secretion of EVs that contain inflammasome product IL-1beta. Oxysterols 88-97 NLR family, pyrin domain containing 3 Mus musculus 132-137 33141061-5 2021 ABCG4 is thought to transport cholesterol, oxysterols and cholesterol synthesis intermediates, and was recently found on the blood brain barrier (BBB), implicated in amyloid-beta export. Oxysterols 43-53 ATP binding cassette subfamily G member 4 Homo sapiens 0-5 33141061-6 2021 In this study, we investigate the regulation of ABCG4 by oxysterols, cholesterol-synthesis intermediates and cholesterol itself. Oxysterols 57-67 ATP binding cassette subfamily G member 4 Homo sapiens 48-53 33141061-7 2021 METHODS: ABC transporter expression was measured in neuroblastoma and gliablastoma cell lines and cells overexpressing ABCG4 in response to synthetic LXR ligands, oxysterols and cholesterol-synthesis intermediates. Oxysterols 163-173 ATP binding cassette subfamily G member 4 Homo sapiens 119-124 33409276-4 2020 In the present study, we found that in cultured carotid ECs, atherogenic stimulation by oxysterol 7-ketocholesterol (7-Ket) induced NLRP3 inflammasome formation and activation, reduced lysosome-multivesicular bodies (MVBs) fusion, and increased secretion of EVs that contain inflammasome product IL-1beta. Oxysterols 88-97 interleukin 1 alpha Mus musculus 296-304 33242792-13 2020 Oxysterols are endogenous LXR ligands, implying that simvastatin suppresses ANGPTL3 secretion via reduced oxysterol-mediated LXR activation. Oxysterols 0-10 angiopoietin like 3 Homo sapiens 76-83 33315900-3 2020 We previously identified a series of oxysterol derivatives and phenanthridine-6-one derivatives as pharmacological chaperones, i.e., small molecules that can rescue folding-defective phenotypes of mutated NPC1, opening up an avenue to develop chaperone therapy for Niemann-Pick disease type C. Here, we present an improved image-based screen for NPC1 chaperones and we describe its application for drug-repurposing screening. Oxysterols 37-46 NPC intracellular cholesterol transporter 1 Homo sapiens 205-209 33315900-3 2020 We previously identified a series of oxysterol derivatives and phenanthridine-6-one derivatives as pharmacological chaperones, i.e., small molecules that can rescue folding-defective phenotypes of mutated NPC1, opening up an avenue to develop chaperone therapy for Niemann-Pick disease type C. Here, we present an improved image-based screen for NPC1 chaperones and we describe its application for drug-repurposing screening. Oxysterols 37-46 NPC intracellular cholesterol transporter 1 Homo sapiens 346-350 33242792-13 2020 Oxysterols are endogenous LXR ligands, implying that simvastatin suppresses ANGPTL3 secretion via reduced oxysterol-mediated LXR activation. Oxysterols 106-115 angiopoietin like 3 Homo sapiens 76-83 33242792-14 2020 CONCLUSIONS: Statins lower plasma ANGPTL3 concentrations in hypercholesterolemic patients, likely due to decreased oxysterol-mediated LXR activation. Oxysterols 115-124 angiopoietin like 3 Homo sapiens 34-41 33008924-0 2020 Insulin resistance dysregulates CYP7B1 leading to oxysterol accumulation: a pathway for NAFL to NASH transition. Oxysterols 50-59 cytochrome P450, family 7, subfamily b, polypeptide 1 Mus musculus 32-38 32896622-9 2020 The mechanism of steatosis was increased expression of Srebp1 (positive regulator of liver lipogenesis) through activation of the liver X receptor by increased oxysterols in the CA-fed rats, especially 4beta-hydroxycholesterol (4betaOH) formed by upregulated expression of hepatic Cyp3a2, responsible for 4betaOH formation. Oxysterols 160-170 sterol regulatory element binding transcription factor 1 Rattus norvegicus 55-61 33134439-1 2020 The raw datasets of oxysterol quantifications from whole cell and mitochondrial fractions of THP-1 monocytes and macrophages, neuronal-like SH-SH5Y cells and human peripheral blood mononuclear cells are presented. Oxysterols 20-29 GLI family zinc finger 2 Homo sapiens 93-98 32913007-3 2020 GPR183 is a chemotactic receptor known for its role in the maturation of B cells, and the endogenous ligand is the oxysterol 7alpha,25-dihydroxycholesterol (7alpha,25-OHC). Oxysterols 115-124 G protein-coupled receptor 183 Rattus norvegicus 0-6 33192294-7 2020 Our results suggest that rodents show similarity to humans for studying the impact of CYP46A1 inhibitors and that rapid, local modulation of oxysterols can be achieved through CYP46A1 inhibition. Oxysterols 141-151 cytochrome P450 family 46 subfamily A member 1 Homo sapiens 176-183 33134439-5 2020 These datasets provide new information about the oxysterol distribution in THP-1 monocytes and macrophages, SH-SY5Y cells and peripheral blood mononuclear cells. Oxysterols 49-58 GLI family zinc finger 2 Homo sapiens 75-80 32777483-4 2020 First, esterification of side-chain oxysterols by LPLA2 was investigated using recombinant mouse LPLA2 and dioleoyl-PC/sulfatide/oxysterol liposomes under acidic conditions. Oxysterols 36-46 phospholipase A2, group XV Mus musculus 50-55 32777483-15 2020 This suggests that there is an esterification pathway of side-chain oxysterols via LPLA2. Oxysterols 68-78 phospholipase A2, group XV Mus musculus 83-88 32777483-4 2020 First, esterification of side-chain oxysterols by LPLA2 was investigated using recombinant mouse LPLA2 and dioleoyl-PC/sulfatide/oxysterol liposomes under acidic conditions. Oxysterols 36-46 phospholipase A2, group XV Mus musculus 97-102 32777483-4 2020 First, esterification of side-chain oxysterols by LPLA2 was investigated using recombinant mouse LPLA2 and dioleoyl-PC/sulfatide/oxysterol liposomes under acidic conditions. Oxysterols 36-45 phospholipase A2, group XV Mus musculus 50-55 32777483-4 2020 First, esterification of side-chain oxysterols by LPLA2 was investigated using recombinant mouse LPLA2 and dioleoyl-PC/sulfatide/oxysterol liposomes under acidic conditions. Oxysterols 36-45 phospholipase A2, group XV Mus musculus 97-102 32777483-9 2020 N-acetylsphingosine (NAS) acting as an acyl acceptor in LPLA2 transacylation inhibited the side-chain oxysterol esterification by LPLA2. Oxysterols 102-111 phospholipase A2, group XV Mus musculus 56-61 32777483-9 2020 N-acetylsphingosine (NAS) acting as an acyl acceptor in LPLA2 transacylation inhibited the side-chain oxysterol esterification by LPLA2. Oxysterols 102-111 phospholipase A2, group XV Mus musculus 130-135 32777483-13 2020 The docking model of acyl-LPLA2 intermediate and side-chain oxysterol provided new insight to elucidate the transacylation mechanism of sterols by LPLA2. Oxysterols 60-69 phospholipase A2, group XV Mus musculus 147-152 32229247-4 2020 Cholesterol 25-Hydroxylase (CH25H) converts cholesterol into 25-Hydroxycholesterol (25-HC), an oxysterol that modulates immune responses. Oxysterols 95-104 cholesterol 25-hydroxylase Homo sapiens 0-26 32809272-2 2020 Sterol regulatory element-binding protein (SREBP) is a key transcriptional factor for lipogenesis and activated by reduced sterol and oxysterol levels. Oxysterols 134-143 CCHC-type zinc finger nucleic acid binding protein Homo sapiens 0-41 32809272-2 2020 Sterol regulatory element-binding protein (SREBP) is a key transcriptional factor for lipogenesis and activated by reduced sterol and oxysterol levels. Oxysterols 134-143 CCHC-type zinc finger nucleic acid binding protein Homo sapiens 43-48 32561542-8 2020 We conclude that LCAT has a major role in the FA esterification of many plasma oxysterols, but contributes little to the FA esterification of 4betaHC. Oxysterols 79-89 lecithin-cholesterol acyltransferase Homo sapiens 17-21 32229247-4 2020 Cholesterol 25-Hydroxylase (CH25H) converts cholesterol into 25-Hydroxycholesterol (25-HC), an oxysterol that modulates immune responses. Oxysterols 95-104 cholesterol 25-hydroxylase Homo sapiens 28-33