PMID-sentid Pub_year Sent_text comp_official_name comp_offset protein_name organism prot_offset 33893239-4 2021 We found that Siglec-4/7/15 all have distinct binding preferences for sialylated GalNAc-type O-glycans but exhibit selectivity for patterns of O-glycans as presented on distinct protein sequences. N-acetylgalactosaminuronic acid 81-87 sialic acid binding Ig like lectin 7 Homo sapiens 14-27 33893239-4 2021 We found that Siglec-4/7/15 all have distinct binding preferences for sialylated GalNAc-type O-glycans but exhibit selectivity for patterns of O-glycans as presented on distinct protein sequences. o-glycans 93-102 sialic acid binding Ig like lectin 7 Homo sapiens 14-27 33893239-4 2021 We found that Siglec-4/7/15 all have distinct binding preferences for sialylated GalNAc-type O-glycans but exhibit selectivity for patterns of O-glycans as presented on distinct protein sequences. o-glycans 143-152 sialic acid binding Ig like lectin 7 Homo sapiens 14-27 33495350-5 2021 Further work identified a specific N-terminal glycopeptide region of CD43 containing clusters of disialylated O-glycan tetrasaccharides that form specific Siglec-7 binding motifs. tetrasaccharides 119-135 sialic acid binding Ig like lectin 7 Homo sapiens 155-163 33640457-4 2021 We affinity-purified the ligands using Fc-ligated recombinant Siglec-7 and diSia-dextran polymer, a strong inhibitor for Siglec-7. disia-dextran polymer 75-96 sialic acid binding Ig like lectin 7 Homo sapiens 121-129 33640457-7 2021 Taken together, our data suggest that leukosialin on K562 is a counter-receptor for Siglec-7 on NK cells and that a cluster of the Sia-containing glycan epitope on leukosialin is key as trans-ligand for unmasking the cis-ligand. Polysaccharides 146-152 sialic acid binding Ig like lectin 7 Homo sapiens 84-92 33013909-5 2020 Among these receptors, Siglec 7 (p75/AIRM-1), LAIR-1 and IRp60, recognize ligands including sialic acids, extracellular matrix/collagen or aminophospholipids, respectively. Sialic Acids 92-104 sialic acid binding Ig like lectin 7 Homo sapiens 23-31 33248687-0 2021 The conserved arginine residue in all siglecs is essential for Siglec-7 binding to sialic acid. Arginine 14-22 sialic acid binding Ig like lectin 7 Homo sapiens 63-71 33248687-0 2021 The conserved arginine residue in all siglecs is essential for Siglec-7 binding to sialic acid. N-Acetylneuraminic Acid 83-94 sialic acid binding Ig like lectin 7 Homo sapiens 63-71 33248687-2 2021 Recently, a new Sia binding site in Siglec-7, termed site 2, where arginine (R) 67 was critical, was identified by computational modeling and biochemical analyses, relative to the primary Sia binding site, termed site 1, containing critical R124. Arginine 67-75 sialic acid binding Ig like lectin 7 Homo sapiens 36-44 33495350-0 2021 Genome-wide CRISPR screens reveal a specific ligand for the glycan-binding immune checkpoint receptor Siglec-7. Polysaccharides 60-66 sialic acid binding Ig like lectin 7 Homo sapiens 102-110 33495350-3 2021 Here, we present a CRISPRi genomic screening strategy that allowed unbiased identification of the key genes required for cell-surface presentation of glycan ligands on leukemia cells that bind the glyco-immune checkpoint receptors Siglec-7 and Siglec-9. Polysaccharides 150-156 sialic acid binding Ig like lectin 7 Homo sapiens 231-239 33495350-5 2021 Further work identified a specific N-terminal glycopeptide region of CD43 containing clusters of disialylated O-glycan tetrasaccharides that form specific Siglec-7 binding motifs. o-glycan 110-118 sialic acid binding Ig like lectin 7 Homo sapiens 155-163 33013909-5 2020 Among these receptors, Siglec 7 (p75/AIRM-1), LAIR-1 and IRp60, recognize ligands including sialic acids, extracellular matrix/collagen or aminophospholipids, respectively. Sialic Acids 92-104 sialic acid binding Ig like lectin 7 Homo sapiens 33-36 33013909-5 2020 Among these receptors, Siglec 7 (p75/AIRM-1), LAIR-1 and IRp60, recognize ligands including sialic acids, extracellular matrix/collagen or aminophospholipids, respectively. Sialic Acids 92-104 sialic acid binding Ig like lectin 7 Homo sapiens 37-43 33013909-5 2020 Among these receptors, Siglec 7 (p75/AIRM-1), LAIR-1 and IRp60, recognize ligands including sialic acids, extracellular matrix/collagen or aminophospholipids, respectively. aminophospholipids 139-157 sialic acid binding Ig like lectin 7 Homo sapiens 23-31 33013909-5 2020 Among these receptors, Siglec 7 (p75/AIRM-1), LAIR-1 and IRp60, recognize ligands including sialic acids, extracellular matrix/collagen or aminophospholipids, respectively. aminophospholipids 139-157 sialic acid binding Ig like lectin 7 Homo sapiens 33-36 33013909-5 2020 Among these receptors, Siglec 7 (p75/AIRM-1), LAIR-1 and IRp60, recognize ligands including sialic acids, extracellular matrix/collagen or aminophospholipids, respectively. aminophospholipids 139-157 sialic acid binding Ig like lectin 7 Homo sapiens 37-43 32457377-0 2020 Discovery of a new sialic acid binding region that regulates Siglec-7. N-Acetylneuraminic Acid 19-30 sialic acid binding Ig like lectin 7 Homo sapiens 61-69 32513821-8 2020 Siglec-7 mediated the binding and biological actions of GdA in a sialic acid-dependent manner. N-Acetylneuraminic Acid 65-76 sialic acid binding Ig like lectin 7 Homo sapiens 0-8 32391973-5 2020 In this regard, siglec-7 and -9 are found on immune cells, such as natural killer cells, T-cells, and dendritic cells and they can promote immune suppression when binding to sialic acids expressed on target cells. Sialic Acids 174-186 sialic acid binding Ig like lectin 7 Homo sapiens 16-31 32457377-2 2020 Siglec-7 is considered to function as an immunoreceptor in a sialic acid-dependent manner. N-Acetylneuraminic Acid 61-72 sialic acid binding Ig like lectin 7 Homo sapiens 0-8 32457377-4 2020 Here, to gain new insights into the ligand-binding properties of Siglec-7, we carried out in silico analysis and site-directed mutagenesis, and found a new sialic acid-binding region (site 2 containing R67) in addition to the well-known primary ligand-binding region (site 1 containing R124). N-Acetylneuraminic Acid 156-167 sialic acid binding Ig like lectin 7 Homo sapiens 65-73 32457377-5 2020 This was supported by equilibrium dialysis, STD-NMR experiments, and inhibition analysis of GD3-binding toward Siglec-7 using synthetic sialoglycoconjugates and a comprehensive set of ganglioside-based glycoconjugates. Gangliosides 184-195 sialic acid binding Ig like lectin 7 Homo sapiens 111-119 32027025-6 2020 Additionally, by using histone deacetylases (HDAC) inhibitor, butyric acid, we showed that Siglec-7 expression was also subjected to the histone modification. Butyric Acid 62-74 sialic acid binding Ig like lectin 7 Homo sapiens 91-99 32027025-7 2020 And a combined treatment with both 5-azacytidine and butyric acid showed an additive effect on Siglec-7 transcript expression in peripheral NK cells. Azacitidine 35-48 sialic acid binding Ig like lectin 7 Homo sapiens 95-103 32027025-7 2020 And a combined treatment with both 5-azacytidine and butyric acid showed an additive effect on Siglec-7 transcript expression in peripheral NK cells. Butyric Acid 53-65 sialic acid binding Ig like lectin 7 Homo sapiens 95-103 31138648-1 2019 To analyze the binding specificity of a sialic acid-recognizing lectin, sialic acid-binding Ig-like lectin 7 (SIGLEC7), to disialyl gangliosides (GD3s), here we established GD3-expressing cells by introducing GD3 synthase (GD3S or ST8SIA1) cDNA into a colon cancer cell line, DLD-1, that expresses no ligands for the recombinant protein SIGLEC7-Fc. N-Acetylneuraminic Acid 40-51 sialic acid binding Ig like lectin 7 Homo sapiens 337-344 32322597-2 2020 Previous studies have shown that Siglec7 and Siglec9 are expressed on NK cells, which negatively regulate the function of NK cells and modulate the immune response through the interaction of sialic acid-containing ligands. N-Acetylneuraminic Acid 191-202 sialic acid binding Ig like lectin 7 Homo sapiens 33-40 31339142-3 2019 Glycan microarray binding studies indicate that Siglec-7 does not recognize DSGb5, and preferentially binds Neu5Acalpha(2,8)Neu5Ac containing glycans. Polysaccharides 0-6 sialic acid binding Ig like lectin 7 Homo sapiens 48-56 31339142-3 2019 Glycan microarray binding studies indicate that Siglec-7 does not recognize DSGb5, and preferentially binds Neu5Acalpha(2,8)Neu5Ac containing glycans. N-Acetylneuraminic Acid 108-114 sialic acid binding Ig like lectin 7 Homo sapiens 48-56 31339142-3 2019 Glycan microarray binding studies indicate that Siglec-7 does not recognize DSGb5, and preferentially binds Neu5Acalpha(2,8)Neu5Ac containing glycans. Polysaccharides 142-149 sialic acid binding Ig like lectin 7 Homo sapiens 48-56 31140679-2 2019 Siglec-7 shows preference for disialylated glycans, including alpha(2,8)-alpha(2,3)-disialic acids or internally branched alpha(2,6)-NeuAc, such as disialosylglobopentaose (DSGb5). Polysaccharides 43-50 sialic acid binding Ig like lectin 7 Homo sapiens 0-8 31140679-2 2019 Siglec-7 shows preference for disialylated glycans, including alpha(2,8)-alpha(2,3)-disialic acids or internally branched alpha(2,6)-NeuAc, such as disialosylglobopentaose (DSGb5). alpha(2,8)-alpha(2,3)-disialic acids 62-98 sialic acid binding Ig like lectin 7 Homo sapiens 0-8 31140679-2 2019 Siglec-7 shows preference for disialylated glycans, including alpha(2,8)-alpha(2,3)-disialic acids or internally branched alpha(2,6)-NeuAc, such as disialosylglobopentaose (DSGb5). alpha(2,6)-neuac 122-138 sialic acid binding Ig like lectin 7 Homo sapiens 0-8 31140679-2 2019 Siglec-7 shows preference for disialylated glycans, including alpha(2,8)-alpha(2,3)-disialic acids or internally branched alpha(2,6)-NeuAc, such as disialosylglobopentaose (DSGb5). disialosylglobopentaose 148-171 sialic acid binding Ig like lectin 7 Homo sapiens 0-8 31140679-2 2019 Siglec-7 shows preference for disialylated glycans, including alpha(2,8)-alpha(2,3)-disialic acids or internally branched alpha(2,6)-NeuAc, such as disialosylglobopentaose (DSGb5). dsgb5 173-178 sialic acid binding Ig like lectin 7 Homo sapiens 0-8 31140679-7 2019 Surprisingly, DSGb5 shows a low affinity for Siglec-7 in a glycan microarray binding affinity assay. Polysaccharides 59-65 sialic acid binding Ig like lectin 7 Homo sapiens 45-53 31140679-8 2019 Among the synthesized globo-series glycans, alpha6alpha3DSGb4 shows the highest binding affinity for Siglec-7. Polysaccharides 35-42 sialic acid binding Ig like lectin 7 Homo sapiens 101-109 31138648-0 2019 The ceramide moiety of disialoganglioside (GD3) is essential for GD3 recognition by the sialic acid-binding lectin SIGLEC7 on the cell surface. Ceramides 4-12 sialic acid binding Ig like lectin 7 Homo sapiens 115-122 31138648-0 2019 The ceramide moiety of disialoganglioside (GD3) is essential for GD3 recognition by the sialic acid-binding lectin SIGLEC7 on the cell surface. sialogangliosides 23-41 sialic acid binding Ig like lectin 7 Homo sapiens 115-122 31138648-0 2019 The ceramide moiety of disialoganglioside (GD3) is essential for GD3 recognition by the sialic acid-binding lectin SIGLEC7 on the cell surface. N-Acetylneuraminic Acid 88-99 sialic acid binding Ig like lectin 7 Homo sapiens 115-122 31138648-1 2019 To analyze the binding specificity of a sialic acid-recognizing lectin, sialic acid-binding Ig-like lectin 7 (SIGLEC7), to disialyl gangliosides (GD3s), here we established GD3-expressing cells by introducing GD3 synthase (GD3S or ST8SIA1) cDNA into a colon cancer cell line, DLD-1, that expresses no ligands for the recombinant protein SIGLEC7-Fc. N-Acetylneuraminic Acid 40-51 sialic acid binding Ig like lectin 7 Homo sapiens 72-108 31138648-1 2019 To analyze the binding specificity of a sialic acid-recognizing lectin, sialic acid-binding Ig-like lectin 7 (SIGLEC7), to disialyl gangliosides (GD3s), here we established GD3-expressing cells by introducing GD3 synthase (GD3S or ST8SIA1) cDNA into a colon cancer cell line, DLD-1, that expresses no ligands for the recombinant protein SIGLEC7-Fc. N-Acetylneuraminic Acid 40-51 sialic acid binding Ig like lectin 7 Homo sapiens 110-117 31138648-1 2019 To analyze the binding specificity of a sialic acid-recognizing lectin, sialic acid-binding Ig-like lectin 7 (SIGLEC7), to disialyl gangliosides (GD3s), here we established GD3-expressing cells by introducing GD3 synthase (GD3S or ST8SIA1) cDNA into a colon cancer cell line, DLD-1, that expresses no ligands for the recombinant protein SIGLEC7-Fc. disialyl gangliosides 123-144 sialic acid binding Ig like lectin 7 Homo sapiens 72-108 31138648-1 2019 To analyze the binding specificity of a sialic acid-recognizing lectin, sialic acid-binding Ig-like lectin 7 (SIGLEC7), to disialyl gangliosides (GD3s), here we established GD3-expressing cells by introducing GD3 synthase (GD3S or ST8SIA1) cDNA into a colon cancer cell line, DLD-1, that expresses no ligands for the recombinant protein SIGLEC7-Fc. disialyl gangliosides 123-144 sialic acid binding Ig like lectin 7 Homo sapiens 110-117 31138648-3 2019 Because milk-derived GD3 could be recognized by this fusion protein when incorporated onto the surface of DLD-1 cells, we compared the ceramides in DLD-1-generated and milk-derived GD3s to identify the SIGLEC7-specific GD3 structures on the cell membrane, revealing that SIGLEC7 recognizes only GD3-containing regular ceramides but not phytoceramides. Ceramides 318-327 sialic acid binding Ig like lectin 7 Homo sapiens 202-209 31138648-3 2019 Because milk-derived GD3 could be recognized by this fusion protein when incorporated onto the surface of DLD-1 cells, we compared the ceramides in DLD-1-generated and milk-derived GD3s to identify the SIGLEC7-specific GD3 structures on the cell membrane, revealing that SIGLEC7 recognizes only GD3-containing regular ceramides but not phytoceramides. phytoceramides 336-350 sialic acid binding Ig like lectin 7 Homo sapiens 202-209 31138648-4 2019 This was confirmed by knockdown/knockout of the sphingolipid delta(4)-desaturase/C4-monooxygenase (DES2) gene, involved in phytoceramide synthesis, disclosing that DES2 inhibition confers SIGLEC7 binding. Sphingolipids 48-60 sialic acid binding Ig like lectin 7 Homo sapiens 188-195 31138648-4 2019 This was confirmed by knockdown/knockout of the sphingolipid delta(4)-desaturase/C4-monooxygenase (DES2) gene, involved in phytoceramide synthesis, disclosing that DES2 inhibition confers SIGLEC7 binding. phytoceramide 123-136 sialic acid binding Ig like lectin 7 Homo sapiens 188-195 31138648-8 2019 These results indicate that the ceramide structures in glycosphingolipids affect SIGLEC7 binding and distribution on the cell surface and influence cell sensitivity to killing by SIGLEC7-expressing effector cells. Ceramides 32-40 sialic acid binding Ig like lectin 7 Homo sapiens 81-88 31138648-8 2019 These results indicate that the ceramide structures in glycosphingolipids affect SIGLEC7 binding and distribution on the cell surface and influence cell sensitivity to killing by SIGLEC7-expressing effector cells. Ceramides 32-40 sialic acid binding Ig like lectin 7 Homo sapiens 179-186 31138648-8 2019 These results indicate that the ceramide structures in glycosphingolipids affect SIGLEC7 binding and distribution on the cell surface and influence cell sensitivity to killing by SIGLEC7-expressing effector cells. Glycosphingolipids 55-73 sialic acid binding Ig like lectin 7 Homo sapiens 81-88 31138648-8 2019 These results indicate that the ceramide structures in glycosphingolipids affect SIGLEC7 binding and distribution on the cell surface and influence cell sensitivity to killing by SIGLEC7-expressing effector cells. Glycosphingolipids 55-73 sialic acid binding Ig like lectin 7 Homo sapiens 179-186 28374980-0 2017 Chemical Synthesis and Evaluation of a Disialic Acid-Containing Dextran Polymer as an Inhibitor for the Interaction between Siglec 7 and Its Ligand. disialic acid 39-52 sialic acid binding Ig like lectin 7 Homo sapiens 124-132 30953118-10 2019 Interestingly, freshly isolated glioma cells predominantly expressed sialic acid ligands for Siglec-7 and -9, which was confirmed in situ. N-Acetylneuraminic Acid 69-80 sialic acid binding Ig like lectin 7 Homo sapiens 93-108 29388006-5 2018 Considering the published data on specificity of DCs binding, the glycans showing particular selectivity for the CD14 low/-CD16+CD83+ cells are likely interacting with macrophage galactose binding lectin (MGL), siglec-7 and dectin-2. Polysaccharides 66-73 sialic acid binding Ig like lectin 7 Homo sapiens 211-219 31143186-5 2019 Two inhibitory sialic acid-binding immunoglobulin-like lectin (Siglec) receptors are expressed by NK cells: Siglec-7 and Siglec-9. N-Acetylneuraminic Acid 15-26 sialic acid binding Ig like lectin 7 Homo sapiens 108-116 31143186-6 2019 The abundance of sialic acids on tumor cell surface is hypothesized to regulate NK cell-mediated cytotoxicity by interacting with Siglec-7 and Siglec-9, causing a dampening of NK cell activation pathways. Sialic Acids 17-29 sialic acid binding Ig like lectin 7 Homo sapiens 130-138 30317754-1 2018 Objective: To explore the relationship between sialic-acid-binding immunoglobulin-like lectin 7 (Siglec-7) expressed on NK cells and hepatitis B virus-related cirrhosis. N-Acetylneuraminic Acid 47-58 sialic acid binding Ig like lectin 7 Homo sapiens 97-105 28374980-0 2017 Chemical Synthesis and Evaluation of a Disialic Acid-Containing Dextran Polymer as an Inhibitor for the Interaction between Siglec 7 and Its Ligand. Dextrans 64-71 sialic acid binding Ig like lectin 7 Homo sapiens 124-132 28374980-5 2017 DiSia-Dex showed high binding avidity toward Siglec7, with a KD value of 5.87x10-10 m, and a high inhibitory activity for the interaction between Siglec7 and a ligand (GD3), with a IC50 value of 1.0 nm. disia-dex 0-9 sialic acid binding Ig like lectin 7 Homo sapiens 45-52 28374980-5 2017 DiSia-Dex showed high binding avidity toward Siglec7, with a KD value of 5.87x10-10 m, and a high inhibitory activity for the interaction between Siglec7 and a ligand (GD3), with a IC50 value of 1.0 nm. disia-dex 0-9 sialic acid binding Ig like lectin 7 Homo sapiens 147-154 28374980-6 2017 Notably, diSia-Dex was able to release Siglec7 from the pre-existing Siglec7-GD3 complex, possibly due to its unique properties of a slow dissociation rate and a high association rate. disia-dex 9-18 sialic acid binding Ig like lectin 7 Homo sapiens 39-46 28374980-6 2017 Notably, diSia-Dex was able to release Siglec7 from the pre-existing Siglec7-GD3 complex, possibly due to its unique properties of a slow dissociation rate and a high association rate. disia-dex 9-18 sialic acid binding Ig like lectin 7 Homo sapiens 69-76 28374980-7 2017 Together, these data show that diSia-Dex can be widely applicable as a modulator of Siglec7 functions. disia-dex 31-40 sialic acid binding Ig like lectin 7 Homo sapiens 84-91 26258433-6 2015 Furthermore, Ac5NeuNPoc-based sialic acid glycoengineering enabled the on-cell synthesis of high-affinity Siglec-7 ligands and the identification of a novel Siglec-2 ligand. N-Acetylneuraminic Acid 30-41 sialic acid binding Ig like lectin 7 Homo sapiens 106-114 28386256-7 2017 In particular, the sialic acid residues present on gp120 can bind Siglec-7 on natural killer and monocytes/macrophages and Siglec-1 on monocytes/macrophages and dendritic cells. N-Acetylneuraminic Acid 19-30 sialic acid binding Ig like lectin 7 Homo sapiens 66-74 28103033-6 2017 They display up to a 5000-fold enhanced affinity over the unmodified sialic acid scaffold alphaMe Neu5Ac, the smallest known natural Siglec-7 ligand. N-Acetylneuraminic Acid 69-80 sialic acid binding Ig like lectin 7 Homo sapiens 133-141 28103033-6 2017 They display up to a 5000-fold enhanced affinity over the unmodified sialic acid scaffold alphaMe Neu5Ac, the smallest known natural Siglec-7 ligand. alphame neu5ac 90-104 sialic acid binding Ig like lectin 7 Homo sapiens 133-141 28553076-10 2017 Compared with Group P2.5, the CR rate was significantly improved at all intervals in Group P+D, except at 4-72 h, and was also elevated at 24-72 h in Group P7.5 (P<0.05). Chromium 30-32 sialic acid binding Ig like lectin 7 Homo sapiens 156-160 27874015-7 2017 Treatment with Ac53FaxNeu5Ac abrogated putative cis and trans interactions between sialic acids and Siglec-7/-9. Ac53FaxNeu5Ac 15-28 sialic acid binding Ig like lectin 7 Homo sapiens 100-111 27874015-7 2017 Treatment with Ac53FaxNeu5Ac abrogated putative cis and trans interactions between sialic acids and Siglec-7/-9. Sialic Acids 83-95 sialic acid binding Ig like lectin 7 Homo sapiens 100-111 27874015-8 2017 Together, these data indicate that sialic acids limit the activation of moDCs via the TLR pathway, potentially by interacting with Siglec-7 or Siglec-9. Sialic Acids 35-47 sialic acid binding Ig like lectin 7 Homo sapiens 131-139 28103033-5 2017 The compounds are Sialic acid derivatives and bind with low micromolar Kd values to Siglec-7. N-Acetylneuraminic Acid 18-29 sialic acid binding Ig like lectin 7 Homo sapiens 84-92 27973630-0 2017 Synthesis of end-functionalized glycopolymers containing alpha(2,8) disialic acids via pi-allyl nickel catalyzed coordinating polymerization and their interaction with Siglec-7. glycopolymers 32-45 sialic acid binding Ig like lectin 7 Homo sapiens 168-176 27973630-0 2017 Synthesis of end-functionalized glycopolymers containing alpha(2,8) disialic acids via pi-allyl nickel catalyzed coordinating polymerization and their interaction with Siglec-7. alpha(2,8) disialic acids 57-82 sialic acid binding Ig like lectin 7 Homo sapiens 168-176 27973630-0 2017 Synthesis of end-functionalized glycopolymers containing alpha(2,8) disialic acids via pi-allyl nickel catalyzed coordinating polymerization and their interaction with Siglec-7. Nickel 96-102 sialic acid binding Ig like lectin 7 Homo sapiens 168-176 27973630-3 2017 The glycopolymers can dissociate Siglec-7-GD3 interactions at low concentrations. glycopolymers 4-17 sialic acid binding Ig like lectin 7 Homo sapiens 33-45 26674359-1 2016 OBJECTIVE: Sialic-acid-binding immunoglobulin-like lectin-7 (Siglec-7) is a natural killer (NK) cell inhibitory receptor associated with NK phenotypic and functional abnormalities in HIV-1 infection. N-Acetylneuraminic Acid 11-22 sialic acid binding Ig like lectin 7 Homo sapiens 61-69 26674359-7 2016 The frequency of Siglec-7pos NK cells was significantly higher at baseline in sustained virological responders to pegylated interferon-alpha/ribavirin treatment than in non-responders. Ribavirin 141-150 sialic acid binding Ig like lectin 7 Homo sapiens 17-25 25277834-5 2014 We succeeded in the synthesis of siglec-7 by installing three extra cysteine residues with side-chain modifications and found that these modifications did not affect the binding activity. Cysteine 68-76 sialic acid binding Ig like lectin 7 Homo sapiens 33-41 26234906-0 2015 Synthesis and biological evaluation of 9-N-oxamyl sialosides as Siglec-7 ligands. 9-n-oxamyl sialosides 39-60 sialic acid binding Ig like lectin 7 Homo sapiens 64-72 26234906-3 2015 Here we present design, synthesis, affinity evaluation and molecular modeling of novel 9-N-oxamoyl modified sialosides as Siglec-7 ligands. 9-n-oxamoyl modified sialosides 87-118 sialic acid binding Ig like lectin 7 Homo sapiens 122-130 25277834-0 2014 Chemical synthesis of a synthetic analogue of the sialic acid-binding lectin siglec-7. N-Acetylneuraminic Acid 50-61 sialic acid binding Ig like lectin 7 Homo sapiens 77-85 25000981-8 2014 These data suggest that the endocytic function of Siglec-7 can be exploited to deliver glycolipid Ags to their target cell and increase the efficiency of display to T cells. Glycolipids 87-97 sialic acid binding Ig like lectin 7 Homo sapiens 50-58 25277834-1 2014 As a basis for the development of an artificial carbohydrate-binding lectin, we chemically synthesized a domain of siglec-7, a well-characterized sialic-acid-binding lectin. Carbohydrates 48-60 sialic acid binding Ig like lectin 7 Homo sapiens 115-123 25277834-1 2014 As a basis for the development of an artificial carbohydrate-binding lectin, we chemically synthesized a domain of siglec-7, a well-characterized sialic-acid-binding lectin. N-Acetylneuraminic Acid 146-157 sialic acid binding Ig like lectin 7 Homo sapiens 115-123 25277834-4 2014 After folding the full-length polypeptide, the sialic-acid-binding activity of the synthetic siglec-7 was clearly demonstrated by STD NMR and ELISA experiments. N-Acetylneuraminic Acid 47-58 sialic acid binding Ig like lectin 7 Homo sapiens 93-101 25230315-6 2014 Cross-linking Siglec-7 with its ligand, ganglioside, resulted in platelet apoptosis without any significant effects on activation, aggregation, cell morphology by electron microscopy analysis or secretion. Gangliosides 40-51 sialic acid binding Ig like lectin 7 Homo sapiens 14-22 25230315-8 2014 Inhibition of NAPDH oxidase, PI3K, or PKC rescued platelets from apoptosis induced by Siglec-7 recruitment, suggesting that the platelet receptors P2Y1 and GPIIbIIIa are essential for ganglioside-induced platelet apoptosis. Gangliosides 184-195 sialic acid binding Ig like lectin 7 Homo sapiens 86-94 22585296-6 2012 Sialic acid-dependent binding of siglec-7 tetramers was confirmed by glycan array analysis and loss of siglec tetramer binding after neuraminidase treatment of lymphocytes. N-Acetylneuraminic Acid 0-11 sialic acid binding Ig like lectin 7 Homo sapiens 33-41 24569453-2 2014 The sialic acid-binding Ig-like lectins Siglec-7 and -9 are MHC class I-independent inhibitory receptors on human NK cells that recognize sialic acid-containing carbohydrates. N-Acetylneuraminic Acid 4-15 sialic acid binding Ig like lectin 7 Homo sapiens 40-55 24569453-2 2014 The sialic acid-binding Ig-like lectins Siglec-7 and -9 are MHC class I-independent inhibitory receptors on human NK cells that recognize sialic acid-containing carbohydrates. N-Acetylneuraminic Acid 138-149 sialic acid binding Ig like lectin 7 Homo sapiens 40-55 24569453-2 2014 The sialic acid-binding Ig-like lectins Siglec-7 and -9 are MHC class I-independent inhibitory receptors on human NK cells that recognize sialic acid-containing carbohydrates. Carbohydrates 161-174 sialic acid binding Ig like lectin 7 Homo sapiens 40-55 23597400-0 2013 On-chip synthesis and screening of a sialoside library yields a high affinity ligand for Siglec-7. sialoside 37-46 sialic acid binding Ig like lectin 7 Homo sapiens 89-97 23597400-6 2013 In silico docking to the crystal structure of Siglec-7 provides a rationale for the affinity gains observed for this novel sialic acid analogue. N-Acetylneuraminic Acid 123-134 sialic acid binding Ig like lectin 7 Homo sapiens 46-54 23173866-5 2013 Using a well-defined GBS/MFS-associated C. jejuni strain collection, which included three sialic acid knockout strains, we found that Siglec-7 exclusively binds to C. jejuni strains that express terminal disialylated ganglioside mimics. N-Acetylneuraminic Acid 90-101 sialic acid binding Ig like lectin 7 Homo sapiens 134-142 23173866-5 2013 Using a well-defined GBS/MFS-associated C. jejuni strain collection, which included three sialic acid knockout strains, we found that Siglec-7 exclusively binds to C. jejuni strains that express terminal disialylated ganglioside mimics. Gangliosides 217-228 sialic acid binding Ig like lectin 7 Homo sapiens 134-142 23173866-8 2013 Lipo-oligosaccharide-specific binding of C. jejuni to Siglec-7 may be an initiating event in immune recognition and presentation, and lead to anti-GQ1b antibody production and the development of ocular weakness in GBS or MFS. lipid-linked oligosaccharides 0-20 sialic acid binding Ig like lectin 7 Homo sapiens 54-62 24370703-5 2014 The two different rm8Delta strains induced antigen-specific immunity; however, m8Delta-pSFJ-JRCSFenv elicited a stronger anti-Env antibody response whereas m8Delta-p7.5-JRCSFenv induced a stronger Env-specific cytotoxic T lymphocyte response. rm8delta 18-26 sialic acid binding Ig like lectin 7 Homo sapiens 164-168 24292068-3 2014 Here, we show that increasing sialylated glycans on cancer cells inhibits human natural killer (NK) cell activation through the recruitment of sialic acid-binding immunoglobulin-like lectin 7 (Siglec-7). Polysaccharides 41-48 sialic acid binding Ig like lectin 7 Homo sapiens 143-191 24292068-3 2014 Here, we show that increasing sialylated glycans on cancer cells inhibits human natural killer (NK) cell activation through the recruitment of sialic acid-binding immunoglobulin-like lectin 7 (Siglec-7). Polysaccharides 41-48 sialic acid binding Ig like lectin 7 Homo sapiens 193-201 24330394-1 2013 BACKGROUND: Sialic acid-binding Ig-like lectin-7 (Siglec-7) expression is strongly reduced on natural killer (NK) cells from HIV-1 infected viremic patients. N-Acetylneuraminic Acid 12-23 sialic acid binding Ig like lectin 7 Homo sapiens 50-58 24330394-3 2013 RESULTS: The ability of Siglec-7 to bind gp120 Env in a sialic acid-dependent manner facilitates the infection of both T cells and monocyte-derived macrophages (MDMs). N-Acetylneuraminic Acid 56-67 sialic acid binding Ig like lectin 7 Homo sapiens 24-32 23173866-3 2013 Antigen recognition is a crucial first step in the induction of a cross-reactive antibody response, and it has been shown that GQ1b-like epitopes expressed on the surface of C. jejuni are recognized by sialic acid-binding immunoglobulin-like lectin-7 (Siglec-7). N-Acetylneuraminic Acid 202-213 sialic acid binding Ig like lectin 7 Homo sapiens 252-260 22585296-6 2012 Sialic acid-dependent binding of siglec-7 tetramers was confirmed by glycan array analysis and loss of siglec tetramer binding after neuraminidase treatment of lymphocytes. Polysaccharides 69-75 sialic acid binding Ig like lectin 7 Homo sapiens 33-41 20032046-1 2010 Siglec-7, a sialic acid binding immunoglobulin-like lectin, predominantly transduces inhibitory signals through cytosolic immunoreceptor tyrosine-based inhibitory motifs (ITIMs). N-Acetylneuraminic Acid 12-23 sialic acid binding Ig like lectin 7 Homo sapiens 0-8 22377735-5 2012 Siglec-3, Siglec-7 and Siglec-2 exhibited moderately stronger binding to pCA125 antigen than the others. pca125 73-79 sialic acid binding Ig like lectin 7 Homo sapiens 10-18 22911818-4 2012 METHODOLOGY/PRINCIPAL FINDINGS: Corticosteroid sensitivity was determined by measuring dexamethasone inhibition of CD3/28 and TNF-alpha induced IL-8 production in PBMCs by using ELISA. Dexamethasone 87-100 sialic acid binding Ig like lectin 7 Homo sapiens 115-121 20663960-0 2010 Ganglioside DSGb5, preferred ligand for Siglec-7, inhibits NK cell cytotoxicity against renal cell carcinoma cells. Gangliosides 0-11 sialic acid binding Ig like lectin 7 Homo sapiens 40-48 20663960-3 2010 Siglec-7 (sialic acid-binding Ig-like lectin-7), expressed on natural killer (NK) cells as an inhibitory receptor, has a striking preference for internally branched alpha2,6-linked disialic gangliosides such as DSGb5. disialic gangliosides 181-202 sialic acid binding Ig like lectin 7 Homo sapiens 0-8 20663960-3 2010 Siglec-7 (sialic acid-binding Ig-like lectin-7), expressed on natural killer (NK) cells as an inhibitory receptor, has a striking preference for internally branched alpha2,6-linked disialic gangliosides such as DSGb5. disialic gangliosides 181-202 sialic acid binding Ig like lectin 7 Homo sapiens 10-46 20663960-7 2010 In contrast, the sialic acid-binding site of Siglec-7 on NK cells was masked by cis interactions with endogenous sialoconjugates at the cell surface, but it could be unmasked by sialidase treatment of the NK cells. N-Acetylneuraminic Acid 17-28 sialic acid binding Ig like lectin 7 Homo sapiens 45-53 22467657-4 2012 The siglec ligand glycans in normal colonic epithelial cells included disialyl Lewis(a), which was found to have binding activity to both siglec-7 and -9, and sialyl 6-sulfo Lewis(x), which exhibited significant binding to siglec-7. Polysaccharides 18-25 sialic acid binding Ig like lectin 7 Homo sapiens 138-153 22467657-4 2012 The siglec ligand glycans in normal colonic epithelial cells included disialyl Lewis(a), which was found to have binding activity to both siglec-7 and -9, and sialyl 6-sulfo Lewis(x), which exhibited significant binding to siglec-7. Polysaccharides 18-25 sialic acid binding Ig like lectin 7 Homo sapiens 138-146 22467657-8 2012 Siglec-7/-9 ligation suppressed LPS-induced cyclooxygenase-2 expression and PGE(2) production by macrophages. Dinoprostone 76-82 sialic acid binding Ig like lectin 7 Homo sapiens 0-11 20032046-1 2010 Siglec-7, a sialic acid binding immunoglobulin-like lectin, predominantly transduces inhibitory signals through cytosolic immunoreceptor tyrosine-based inhibitory motifs (ITIMs). Tyrosine 137-145 sialic acid binding Ig like lectin 7 Homo sapiens 0-8 19608407-3 2009 Through sugar-specific interactions with glycan-binding proteins on apposing cells, gangliosides function as receptors in cell-cell recognition, regulating natural killer cell cytotoxicity via Siglec-7, myelin-axon interactions via Siglec-4 (myelin-associated glycoprotein), and inflammation via E-selectin. Sugars 8-13 sialic acid binding Ig like lectin 7 Homo sapiens 193-201 19608407-3 2009 Through sugar-specific interactions with glycan-binding proteins on apposing cells, gangliosides function as receptors in cell-cell recognition, regulating natural killer cell cytotoxicity via Siglec-7, myelin-axon interactions via Siglec-4 (myelin-associated glycoprotein), and inflammation via E-selectin. Gangliosides 84-96 sialic acid binding Ig like lectin 7 Homo sapiens 193-201 16895906-0 2006 Siglec-7 undergoes a major conformational change when complexed with the alpha(2,8)-disialylganglioside GT1b. alpha(2,8)-disialylganglioside 73-103 sialic acid binding Ig like lectin 7 Homo sapiens 0-8 17574526-4 2008 SPR imaging of an array of 40 sialylated and unsialylated glycans established the binding preference of hSiglec7 for alpha2-8-linked disialic acid structures over alpha2-6-sialyl-LacNAcs, which in turn were recognized and bound with greater affinity than alpha2-3-sialyl-LacNAcs. Polysaccharides 58-65 sialic acid binding Ig like lectin 7 Homo sapiens 104-112 17574526-4 2008 SPR imaging of an array of 40 sialylated and unsialylated glycans established the binding preference of hSiglec7 for alpha2-8-linked disialic acid structures over alpha2-6-sialyl-LacNAcs, which in turn were recognized and bound with greater affinity than alpha2-3-sialyl-LacNAcs. N-acetyllactosamine 179-186 sialic acid binding Ig like lectin 7 Homo sapiens 104-112 17574526-4 2008 SPR imaging of an array of 40 sialylated and unsialylated glycans established the binding preference of hSiglec7 for alpha2-8-linked disialic acid structures over alpha2-6-sialyl-LacNAcs, which in turn were recognized and bound with greater affinity than alpha2-3-sialyl-LacNAcs. N-acetyllactosamine 271-278 sialic acid binding Ig like lectin 7 Homo sapiens 104-112 17574526-6 2008 The SPR imaging technique was also able to establish selective binding to the preferred glycan ligand when analyzing crude culture supernatant containing 10-20 microg of recombinant hSiglec7-Fc. Polysaccharides 88-94 sialic acid binding Ig like lectin 7 Homo sapiens 182-190 17760270-4 2007 Disialyl Lewis a in normal epithelial cells serves as a ligand for immunosuppressive receptors such as sialic acid binding immunoglobulin (Ig)-like lectins (siglec-7) and -9 expressed on resident monocytes/macrophages and maintains immunological homeostasis of mucosal membranes in digestive organs. disialyl lewis a 0-16 sialic acid binding Ig like lectin 7 Homo sapiens 157-173 17760270-4 2007 Disialyl Lewis a in normal epithelial cells serves as a ligand for immunosuppressive receptors such as sialic acid binding immunoglobulin (Ig)-like lectins (siglec-7) and -9 expressed on resident monocytes/macrophages and maintains immunological homeostasis of mucosal membranes in digestive organs. N-Acetylneuraminic Acid 103-114 sialic acid binding Ig like lectin 7 Homo sapiens 157-173 16895906-0 2006 Siglec-7 undergoes a major conformational change when complexed with the alpha(2,8)-disialylganglioside GT1b. gt1b 104-108 sialic acid binding Ig like lectin 7 Homo sapiens 0-8 16895906-4 2006 We have co-crystallized Siglec-7 with a synthetic oligosaccharide corresponding to the alpha(2,8)-disialylated ganglioside GT1b. Oligosaccharides 50-65 sialic acid binding Ig like lectin 7 Homo sapiens 24-32 16895906-4 2006 We have co-crystallized Siglec-7 with a synthetic oligosaccharide corresponding to the alpha(2,8)-disialylated ganglioside GT1b. alpha(2,8)-disialylated ganglioside 87-122 sialic acid binding Ig like lectin 7 Homo sapiens 24-32 16895906-4 2006 We have co-crystallized Siglec-7 with a synthetic oligosaccharide corresponding to the alpha(2,8)-disialylated ganglioside GT1b. gt1b 123-127 sialic acid binding Ig like lectin 7 Homo sapiens 24-32 16857734-9 2006 Together, these results suggest that NK cells are decorated with alpha2,8-disialic acid structures implicated in regulation of cellular activation via interactions with Siglec-7. alpha2,8-disialic acid 65-87 sialic acid binding Ig like lectin 7 Homo sapiens 169-177 16857734-1 2006 Siglec-7 is a CD33-related sialic acid-binding Ig-like lectin expressed strongly on NK cells, where it can function as an inhibitory receptor. N-Acetylneuraminic Acid 27-38 sialic acid binding Ig like lectin 7 Homo sapiens 0-8 15557178-0 2004 The membrane-proximal immunoreceptor tyrosine-based inhibitory motif is critical for the inhibitory signaling mediated by Siglecs-7 and -9, CD33-related Siglecs expressed on human monocytes and NK cells. Tyrosine 37-45 sialic acid binding Ig like lectin 7 Homo sapiens 122-138 16857734-2 2006 Its sialic acid-binding activity on NK cells is masked by cis interactions with sialylated glycans, which are likely to be important for regulating the inhibitory function of Siglec-7, which exhibits an unusual preference for alpha2,8-linked disialic acids, a motif found in "b-series" gangliosides and some glycoproteins. N-Acetylneuraminic Acid 4-15 sialic acid binding Ig like lectin 7 Homo sapiens 175-183 16857734-2 2006 Its sialic acid-binding activity on NK cells is masked by cis interactions with sialylated glycans, which are likely to be important for regulating the inhibitory function of Siglec-7, which exhibits an unusual preference for alpha2,8-linked disialic acids, a motif found in "b-series" gangliosides and some glycoproteins. Polysaccharides 91-98 sialic acid binding Ig like lectin 7 Homo sapiens 175-183 16857734-2 2006 Its sialic acid-binding activity on NK cells is masked by cis interactions with sialylated glycans, which are likely to be important for regulating the inhibitory function of Siglec-7, which exhibits an unusual preference for alpha2,8-linked disialic acids, a motif found in "b-series" gangliosides and some glycoproteins. ,8-linked disialic acids 232-256 sialic acid binding Ig like lectin 7 Homo sapiens 175-183 16857734-2 2006 Its sialic acid-binding activity on NK cells is masked by cis interactions with sialylated glycans, which are likely to be important for regulating the inhibitory function of Siglec-7, which exhibits an unusual preference for alpha2,8-linked disialic acids, a motif found in "b-series" gangliosides and some glycoproteins. Gangliosides 286-298 sialic acid binding Ig like lectin 7 Homo sapiens 175-183 16623661-0 2006 The structure of siglec-7 in complex with sialosides: leads for rational structure-based inhibitor design. sialosides 42-52 sialic acid binding Ig like lectin 7 Homo sapiens 17-25 16623661-4 2006 As a first step towards this end, we present the crystal structure of siglec-7 in complex with a sialylated ligand, the ganglioside analogue DSLc4 [alpha(2,3)/alpha(2,6) disialyl lactotetraosyl 2-(trimethylsilyl)ethyl], which allows for a detailed description of the binding site, required for structure-guided inhibitor design. Gangliosides 120-131 sialic acid binding Ig like lectin 7 Homo sapiens 70-78 16623661-4 2006 As a first step towards this end, we present the crystal structure of siglec-7 in complex with a sialylated ligand, the ganglioside analogue DSLc4 [alpha(2,3)/alpha(2,6) disialyl lactotetraosyl 2-(trimethylsilyl)ethyl], which allows for a detailed description of the binding site, required for structure-guided inhibitor design. dslc4 141-146 sialic acid binding Ig like lectin 7 Homo sapiens 70-78 16623661-4 2006 As a first step towards this end, we present the crystal structure of siglec-7 in complex with a sialylated ligand, the ganglioside analogue DSLc4 [alpha(2,3)/alpha(2,6) disialyl lactotetraosyl 2-(trimethylsilyl)ethyl], which allows for a detailed description of the binding site, required for structure-guided inhibitor design. alpha(2,3) 148-158 sialic acid binding Ig like lectin 7 Homo sapiens 70-78 16623661-4 2006 As a first step towards this end, we present the crystal structure of siglec-7 in complex with a sialylated ligand, the ganglioside analogue DSLc4 [alpha(2,3)/alpha(2,6) disialyl lactotetraosyl 2-(trimethylsilyl)ethyl], which allows for a detailed description of the binding site, required for structure-guided inhibitor design. alpha(2,6) disialyl lactotetraosyl 2-(trimethylsilyl)ethyl 159-217 sialic acid binding Ig like lectin 7 Homo sapiens 70-78 16623661-7 2006 A co-crystal of siglec-7 in complex with the sialoside inhibitor, oxamido-Neu5Ac [methyl alpha-9-(amino-oxalyl-amino)-9-deoxy-Neu5Ac] and inhibition data for the sialosides gives clear leads for future inhibitor design. sialoside 45-54 sialic acid binding Ig like lectin 7 Homo sapiens 16-24 16623661-7 2006 A co-crystal of siglec-7 in complex with the sialoside inhibitor, oxamido-Neu5Ac [methyl alpha-9-(amino-oxalyl-amino)-9-deoxy-Neu5Ac] and inhibition data for the sialosides gives clear leads for future inhibitor design. oxamido-neu5ac 66-80 sialic acid binding Ig like lectin 7 Homo sapiens 16-24 16623661-7 2006 A co-crystal of siglec-7 in complex with the sialoside inhibitor, oxamido-Neu5Ac [methyl alpha-9-(amino-oxalyl-amino)-9-deoxy-Neu5Ac] and inhibition data for the sialosides gives clear leads for future inhibitor design. methyl alpha-9-(amino-oxalyl-amino)-9-deoxy-neu5ac 82-132 sialic acid binding Ig like lectin 7 Homo sapiens 16-24 16623661-7 2006 A co-crystal of siglec-7 in complex with the sialoside inhibitor, oxamido-Neu5Ac [methyl alpha-9-(amino-oxalyl-amino)-9-deoxy-Neu5Ac] and inhibition data for the sialosides gives clear leads for future inhibitor design. sialosides 162-172 sialic acid binding Ig like lectin 7 Homo sapiens 16-24 15703304-2 2005 The cytoplasmic domain of Siglec-7 contains two signaling motifs: a membrane-proximal immunoreceptor tyrosine-based inhibitory motif (ITIM) (Ile435-Gln-Tyr-Ala-Pro-Leu440) and a membrane-distal motif (Asn458-Glu-Tyr-Ser-Glu-Ile463). Tyrosine 101-109 sialic acid binding Ig like lectin 7 Homo sapiens 26-34 15703304-2 2005 The cytoplasmic domain of Siglec-7 contains two signaling motifs: a membrane-proximal immunoreceptor tyrosine-based inhibitory motif (ITIM) (Ile435-Gln-Tyr-Ala-Pro-Leu440) and a membrane-distal motif (Asn458-Glu-Tyr-Ser-Glu-Ile463). Tyrosine 152-155 sialic acid binding Ig like lectin 7 Homo sapiens 26-34 15703304-2 2005 The cytoplasmic domain of Siglec-7 contains two signaling motifs: a membrane-proximal immunoreceptor tyrosine-based inhibitory motif (ITIM) (Ile435-Gln-Tyr-Ala-Pro-Leu440) and a membrane-distal motif (Asn458-Glu-Tyr-Ser-Glu-Ile463). Alanine 156-159 sialic acid binding Ig like lectin 7 Homo sapiens 26-34 15703304-2 2005 The cytoplasmic domain of Siglec-7 contains two signaling motifs: a membrane-proximal immunoreceptor tyrosine-based inhibitory motif (ITIM) (Ile435-Gln-Tyr-Ala-Pro-Leu440) and a membrane-distal motif (Asn458-Glu-Tyr-Ser-Glu-Ile463). Proline 160-163 sialic acid binding Ig like lectin 7 Homo sapiens 26-34 15703304-2 2005 The cytoplasmic domain of Siglec-7 contains two signaling motifs: a membrane-proximal immunoreceptor tyrosine-based inhibitory motif (ITIM) (Ile435-Gln-Tyr-Ala-Pro-Leu440) and a membrane-distal motif (Asn458-Glu-Tyr-Ser-Glu-Ile463). Tyrosine 212-215 sialic acid binding Ig like lectin 7 Homo sapiens 26-34 15703304-2 2005 The cytoplasmic domain of Siglec-7 contains two signaling motifs: a membrane-proximal immunoreceptor tyrosine-based inhibitory motif (ITIM) (Ile435-Gln-Tyr-Ala-Pro-Leu440) and a membrane-distal motif (Asn458-Glu-Tyr-Ser-Glu-Ile463). Serine 216-219 sialic acid binding Ig like lectin 7 Homo sapiens 26-34 15703304-2 2005 The cytoplasmic domain of Siglec-7 contains two signaling motifs: a membrane-proximal immunoreceptor tyrosine-based inhibitory motif (ITIM) (Ile435-Gln-Tyr-Ala-Pro-Leu440) and a membrane-distal motif (Asn458-Glu-Tyr-Ser-Glu-Ile463). Glutamic Acid 208-211 sialic acid binding Ig like lectin 7 Homo sapiens 26-34 15557178-1 2004 Siglec-7 and Siglec-9 are two members of the recently characterized CD33-related Siglec family of sialic acid binding proteins and are both expressed on human monocytes and NK cells. N-Acetylneuraminic Acid 98-109 sialic acid binding Ig like lectin 7 Homo sapiens 0-8 15557178-4 2004 We first demonstrate that Siglecs-7 and -9 are able to inhibit the FcepsilonRI-mediated serotonin release from RBL cells following co-crosslinking. Serotonin 88-97 sialic acid binding Ig like lectin 7 Homo sapiens 26-42 15557178-5 2004 In addition, we show that under these conditions or after pervanadate treatment, Siglecs-7 and -9 associate with the Src homology region 2 domain-containing phosphatases (SHP), SHP-1 and SHP-2, both in immunoprecipitation and in fluorescence microscopy experiments using GFP fusion proteins. pervanadate 58-69 sialic acid binding Ig like lectin 7 Homo sapiens 81-97 15557178-6 2004 We then show by site-directed mutagenesis that the membrane-proximal tyrosine motif is essential for the inhibitory function of both Siglec-7 and -9, and is also required for tyrosine phosphorylation and recruitment of SHP-1 and SHP-2 phosphatases. Tyrosine 69-77 sialic acid binding Ig like lectin 7 Homo sapiens 133-148 15557178-7 2004 Finally, mutation of the membrane-proximal motif increased the sialic acid binding activity of Siglecs-7 and -9, raising the possibility that "inside-out" signaling may occur to regulate ligand binding. N-Acetylneuraminic Acid 63-74 sialic acid binding Ig like lectin 7 Homo sapiens 95-111 15292262-8 2004 Like all siglecs, Siglec-7 and -9 recognize sialic acid-containing glycans of glycoproteins and glycolipids as ligands. N-Acetylneuraminic Acid 44-55 sialic acid binding Ig like lectin 7 Homo sapiens 18-33 15292262-9 2004 Mutation of the conserved Arg in the ligand binding site of Siglec-7 (Arg124) or Siglec-9 (Arg120) resulted in reduced inhibitory function in the NFAT/luciferase transcription assay, suggesting that ligand binding is required for optimal inhibition of TCR signaling. Arginine 26-29 sialic acid binding Ig like lectin 7 Homo sapiens 60-68 12778482-0 2003 Ganglioside GD3 expression on target cells can modulate NK cell cytotoxicity via siglec-7-dependent and -independent mechanisms. Gangliosides 0-11 sialic acid binding Ig like lectin 7 Homo sapiens 81-89 14747738-0 2004 Structure of the saccharide-binding domain of the human natural killer cell inhibitory receptor p75/AIRM1. Carbohydrates 17-27 sialic acid binding Ig like lectin 7 Homo sapiens 96-99 14747738-0 2004 Structure of the saccharide-binding domain of the human natural killer cell inhibitory receptor p75/AIRM1. Carbohydrates 17-27 sialic acid binding Ig like lectin 7 Homo sapiens 100-105 14501137-1 2003 p75/AIRM1 (Siglec-7) is a sialic acid-binding Ig-like lectin recently identified as an inhibitory receptor on natural killer cells. N-Acetylneuraminic Acid 26-37 sialic acid binding Ig like lectin 7 Homo sapiens 0-3 14501137-1 2003 p75/AIRM1 (Siglec-7) is a sialic acid-binding Ig-like lectin recently identified as an inhibitory receptor on natural killer cells. N-Acetylneuraminic Acid 26-37 sialic acid binding Ig like lectin 7 Homo sapiens 4-9 14501137-1 2003 p75/AIRM1 (Siglec-7) is a sialic acid-binding Ig-like lectin recently identified as an inhibitory receptor on natural killer cells. N-Acetylneuraminic Acid 26-37 sialic acid binding Ig like lectin 7 Homo sapiens 11-19 12778482-4 2003 Using synthetic polyacrylamide glycoprobes, siglec-7 was found to be masked at the NK cell surface but it could be unmasked by sialidase treatment of NK cells. polyacrylamide glycoprobes 16-42 sialic acid binding Ig like lectin 7 Homo sapiens 44-52 11389909-0 2001 Binding specificity of siglec7 to disialogangliosides of renal cell carcinoma: possible role of disialogangliosides in tumor progression. sialogangliosides 34-53 sialic acid binding Ig like lectin 7 Homo sapiens 23-30 12639556-3 2003 Siglec-7 and siglec-9 displayed binding to gangliosides GD3, GQ1b and GT1b bearing a disialoside motif, though siglec-7 was more potent; besides, siglec-9 interacted also with GM3. Gangliosides 43-55 sialic acid binding Ig like lectin 7 Homo sapiens 0-8 12639556-3 2003 Siglec-7 and siglec-9 displayed binding to gangliosides GD3, GQ1b and GT1b bearing a disialoside motif, though siglec-7 was more potent; besides, siglec-9 interacted also with GM3. disialoside 85-96 sialic acid binding Ig like lectin 7 Homo sapiens 0-8 12639556-3 2003 Siglec-7 and siglec-9 displayed binding to gangliosides GD3, GQ1b and GT1b bearing a disialoside motif, though siglec-7 was more potent; besides, siglec-9 interacted also with GM3. gm3 176-179 sialic acid binding Ig like lectin 7 Homo sapiens 0-8 12639556-3 2003 Siglec-7 and siglec-9 displayed binding to gangliosides GD3, GQ1b and GT1b bearing a disialoside motif, though siglec-7 was more potent; besides, siglec-9 interacted also with GM3. gm3 176-179 sialic acid binding Ig like lectin 7 Homo sapiens 111-119 12438315-7 2003 Comparison of the structure with that of sialoadhesin and a model of Siglec-9 shows that the unique preference of Siglec-7 for alpha(2,8)-linked disialic acid is likely to reside in the C-C" loop, which is variable in the Siglec family. alpha(2,8)-linked disialic acid 127-158 sialic acid binding Ig like lectin 7 Homo sapiens 114-122 12438315-8 2003 In the Siglec-7 structure, the ligand-binding pocket is occupied by a loop of a symmetry-related molecule, mimicking the interactions with sialic acid. N-Acetylneuraminic Acid 139-150 sialic acid binding Ig like lectin 7 Homo sapiens 7-15 11522302-0 2001 Binding specificity of siglec7 to disialogangliosides of renal cell carcinoma: possible role of disialogangliosides in tumor progression. sialogangliosides 34-53 sialic acid binding Ig like lectin 7 Homo sapiens 23-30 11522302-0 2001 Binding specificity of siglec7 to disialogangliosides of renal cell carcinoma: possible role of disialogangliosides in tumor progression. sialogangliosides 96-115 sialic acid binding Ig like lectin 7 Homo sapiens 23-30 11522302-3 2001 Out of other gangliosides tested, 2-->6 sialylparagloboside, GD3, GD2, and GT1b, but not other lacto- or ganglio-series gangliosides, showed clear binding to siglec7. Gangliosides 13-25 sialic acid binding Ig like lectin 7 Homo sapiens 161-168 11522302-3 2001 Out of other gangliosides tested, 2-->6 sialylparagloboside, GD3, GD2, and GT1b, but not other lacto- or ganglio-series gangliosides, showed clear binding to siglec7. sialosylparagloboside 43-62 sialic acid binding Ig like lectin 7 Homo sapiens 161-168 11522302-3 2001 Out of other gangliosides tested, 2-->6 sialylparagloboside, GD3, GD2, and GT1b, but not other lacto- or ganglio-series gangliosides, showed clear binding to siglec7. gt1b 78-82 sialic acid binding Ig like lectin 7 Homo sapiens 161-168 11389909-0 2001 Binding specificity of siglec7 to disialogangliosides of renal cell carcinoma: possible role of disialogangliosides in tumor progression. sialogangliosides 96-115 sialic acid binding Ig like lectin 7 Homo sapiens 23-30 11389909-3 2001 Out of other gangliosides tested, 2-->6 sialylparagloboside, GD3, GD2, and GT1b, but not other lacto- or ganglio-series gangliosides, showed clear binding to siglec7. Gangliosides 13-25 sialic acid binding Ig like lectin 7 Homo sapiens 161-168 11389909-3 2001 Out of other gangliosides tested, 2-->6 sialylparagloboside, GD3, GD2, and GT1b, but not other lacto- or ganglio-series gangliosides, showed clear binding to siglec7. sialosylparagloboside 43-62 sialic acid binding Ig like lectin 7 Homo sapiens 161-168 11389909-3 2001 Out of other gangliosides tested, 2-->6 sialylparagloboside, GD3, GD2, and GT1b, but not other lacto- or ganglio-series gangliosides, showed clear binding to siglec7. gt1b 78-82 sialic acid binding Ig like lectin 7 Homo sapiens 161-168 10567377-3 1999 Siglec-7 is predicted to contain three extracellular immunoglobulin-like domains that comprise an N-terminal V-set domain and two C2-set domains, a transmembrane region and a cytoplasmic tail containing two tyrosine residues embodied in immunoreceptor tyrosine-based inhibition motif-like motifs. Tyrosine 207-215 sialic acid binding Ig like lectin 7 Homo sapiens 0-8 10764831-0 2000 Siglec-7: a sialic acid-binding lectin of the immunoglobulin superfamily. N-Acetylneuraminic Acid 12-23 sialic acid binding Ig like lectin 7 Homo sapiens 0-8 10567377-3 1999 Siglec-7 is predicted to contain three extracellular immunoglobulin-like domains that comprise an N-terminal V-set domain and two C2-set domains, a transmembrane region and a cytoplasmic tail containing two tyrosine residues embodied in immunoreceptor tyrosine-based inhibition motif-like motifs. Tyrosine 252-260 sialic acid binding Ig like lectin 7 Homo sapiens 0-8 10567377-5 1999 When siglec-7 was expressed on COS or Chinese hamster ovary cells, it was able to mediate high levels of sialic acid-dependent binding to human erythrocytes and soluble sialoglycoconjugates, suggesting that it may be involved in cell-cell interactions. N-Acetylneuraminic Acid 105-116 sialic acid binding Ig like lectin 7 Homo sapiens 5-13 35526487-4 2022 As Siglec-7, but not Siglec-4, is expressed on hematopoietic cells such as monocytes, the regulatory mechanism by which Siglec-7 associates with gB is important to our understanding of VZV infection of blood cells. gb 145-147 sialic acid binding Ig like lectin 7 Homo sapiens 3-11 34878295-8 2021 Intriguingly, by using quartz crystal microbalance, we demonstrated that the PSA purified from the parent strain interacted with human sialic acid-binding immunoglobulin-like lectins (Siglecs), including Siglec-5, Siglec-7, Siglec-11, and Siglec-14. N-Acetylneuraminic Acid 135-146 sialic acid binding Ig like lectin 7 Homo sapiens 214-222 34745101-7 2021 The comprehensive results showed that high IPI-IPM risk scores were correlated with immune-related signaling pathways, high KMT2D and CD79B mutation rates, and upregulation of inhibitory immune checkpoints, including PD-L1, BTLA, and SIGLEC7, indicating a greater potential response to ICB therapy. diprotin A 43-46 sialic acid binding Ig like lectin 7 Homo sapiens 234-241 34215655-5 2021 This inhibitory effect on anti-CD3/28 activated T cells was observed on both CD4+ and CD8+ cells and independently of monocytes, suggesting the effects of 11.31 were directly mediated by binding to externalized PS on activated T cells. Phosphatidylserines 211-213 sialic acid binding Ig like lectin 7 Homo sapiens 31-37 34215655-7 2021 Collectively, our findings indicate that PS-targeting mAb 11.31 suppresses cytokine production by anti-CD3/28 activated T cells. Phosphatidylserines 41-43 sialic acid binding Ig like lectin 7 Homo sapiens 103-109 10499918-2 1999 p75/AIRM1 is a 75-kD glycoprotein that, upon sodium pervanadate treatment, becomes tyrosine phosphorylated and associates to src homology 2 domain-bearing protein tyrosine phosphatase (SHP)-1. Sodium orthovanadate 45-63 sialic acid binding Ig like lectin 7 Homo sapiens 0-3 10499918-2 1999 p75/AIRM1 is a 75-kD glycoprotein that, upon sodium pervanadate treatment, becomes tyrosine phosphorylated and associates to src homology 2 domain-bearing protein tyrosine phosphatase (SHP)-1. Sodium orthovanadate 45-63 sialic acid binding Ig like lectin 7 Homo sapiens 4-9 10499918-2 1999 p75/AIRM1 is a 75-kD glycoprotein that, upon sodium pervanadate treatment, becomes tyrosine phosphorylated and associates to src homology 2 domain-bearing protein tyrosine phosphatase (SHP)-1. Tyrosine 83-91 sialic acid binding Ig like lectin 7 Homo sapiens 0-3 10499918-2 1999 p75/AIRM1 is a 75-kD glycoprotein that, upon sodium pervanadate treatment, becomes tyrosine phosphorylated and associates to src homology 2 domain-bearing protein tyrosine phosphatase (SHP)-1. Tyrosine 83-91 sialic acid binding Ig like lectin 7 Homo sapiens 4-9 10499918-3 1999 The p75/AIRM1 gene is located on human chromosome 19 and encodes a novel member of the sialoadhesin family characterized by three immunoglobulin-like extracellular domains (one NH(2)-terminal V-type and two C2-type) and a classical immunoreceptor tyrosine-based inhibitory motif (ITIM) in the cytoplasmic portion. Tyrosine 247-255 sialic acid binding Ig like lectin 7 Homo sapiens 4-7 10499918-3 1999 The p75/AIRM1 gene is located on human chromosome 19 and encodes a novel member of the sialoadhesin family characterized by three immunoglobulin-like extracellular domains (one NH(2)-terminal V-type and two C2-type) and a classical immunoreceptor tyrosine-based inhibitory motif (ITIM) in the cytoplasmic portion. Tyrosine 247-255 sialic acid binding Ig like lectin 7 Homo sapiens 8-13 10499918-5 1999 Similar to other sialoadhesin molecules, p75/AIRM1 appears to mediate sialic acid-dependent ligand recognition. N-Acetylneuraminic Acid 70-81 sialic acid binding Ig like lectin 7 Homo sapiens 41-44 10499918-5 1999 Similar to other sialoadhesin molecules, p75/AIRM1 appears to mediate sialic acid-dependent ligand recognition. N-Acetylneuraminic Acid 70-81 sialic acid binding Ig like lectin 7 Homo sapiens 45-50 34425200-2 2021 Herein, we selectively introduced high affinity sialoside ligands of Siglec-1 and Siglec-7 to tumor cell surface via in vivo Strain-promoted Azide-Alkyne cyclization of TCCSiaalpha2,3-Lactose or FITCSiaalpha2,6-Lactose with 9-azido sialic acid (AzSia) metabolically installed on tumor cell surface. sialoside 48-57 sialic acid binding Ig like lectin 7 Homo sapiens 82-90 34425200-2 2021 Herein, we selectively introduced high affinity sialoside ligands of Siglec-1 and Siglec-7 to tumor cell surface via in vivo Strain-promoted Azide-Alkyne cyclization of TCCSiaalpha2,3-Lactose or FITCSiaalpha2,6-Lactose with 9-azido sialic acid (AzSia) metabolically installed on tumor cell surface. Azides 141-146 sialic acid binding Ig like lectin 7 Homo sapiens 82-90 34425200-2 2021 Herein, we selectively introduced high affinity sialoside ligands of Siglec-1 and Siglec-7 to tumor cell surface via in vivo Strain-promoted Azide-Alkyne cyclization of TCCSiaalpha2,3-Lactose or FITCSiaalpha2,6-Lactose with 9-azido sialic acid (AzSia) metabolically installed on tumor cell surface. Alkynes 147-153 sialic acid binding Ig like lectin 7 Homo sapiens 82-90 34425200-2 2021 Herein, we selectively introduced high affinity sialoside ligands of Siglec-1 and Siglec-7 to tumor cell surface via in vivo Strain-promoted Azide-Alkyne cyclization of TCCSiaalpha2,3-Lactose or FITCSiaalpha2,6-Lactose with 9-azido sialic acid (AzSia) metabolically installed on tumor cell surface. 3-lactose 182-191 sialic acid binding Ig like lectin 7 Homo sapiens 82-90 34425200-2 2021 Herein, we selectively introduced high affinity sialoside ligands of Siglec-1 and Siglec-7 to tumor cell surface via in vivo Strain-promoted Azide-Alkyne cyclization of TCCSiaalpha2,3-Lactose or FITCSiaalpha2,6-Lactose with 9-azido sialic acid (AzSia) metabolically installed on tumor cell surface. fitcsiaalpha2,6-lactose 195-218 sialic acid binding Ig like lectin 7 Homo sapiens 82-90 34425200-2 2021 Herein, we selectively introduced high affinity sialoside ligands of Siglec-1 and Siglec-7 to tumor cell surface via in vivo Strain-promoted Azide-Alkyne cyclization of TCCSiaalpha2,3-Lactose or FITCSiaalpha2,6-Lactose with 9-azido sialic acid (AzSia) metabolically installed on tumor cell surface. 9-azido sialic acid 224-243 sialic acid binding Ig like lectin 7 Homo sapiens 82-90 34425200-2 2021 Herein, we selectively introduced high affinity sialoside ligands of Siglec-1 and Siglec-7 to tumor cell surface via in vivo Strain-promoted Azide-Alkyne cyclization of TCCSiaalpha2,3-Lactose or FITCSiaalpha2,6-Lactose with 9-azido sialic acid (AzSia) metabolically installed on tumor cell surface. azsia 245-250 sialic acid binding Ig like lectin 7 Homo sapiens 82-90 34659241-6 2021 animalis interacts with Siglecs (sialic acid-binding immunoglobulin-like lectins) expressed on innate immune cells with highest binding to Siglec-7. N-Acetylneuraminic Acid 33-44 sialic acid binding Ig like lectin 7 Homo sapiens 139-147 35526487-4 2022 As Siglec-7, but not Siglec-4, is expressed on hematopoietic cells such as monocytes, the regulatory mechanism by which Siglec-7 associates with gB is important to our understanding of VZV infection of blood cells. gb 145-147 sialic acid binding Ig like lectin 7 Homo sapiens 120-128 35526487-7 2022 Calcium influx in primary monocytes decreased the expression of Siglec-7 cis-ligands and increased VZV infectivity. Calcium 0-7 sialic acid binding Ig like lectin 7 Homo sapiens 64-72 35526487-8 2022 These results demonstrate that the Siglec-7 cis-ligands present on primary monocytes play an important role in VZV infection through regulation of the interaction between gB and Siglec-7. gb 171-173 sialic acid binding Ig like lectin 7 Homo sapiens 35-43 35526487-8 2022 These results demonstrate that the Siglec-7 cis-ligands present on primary monocytes play an important role in VZV infection through regulation of the interaction between gB and Siglec-7. gb 171-173 sialic acid binding Ig like lectin 7 Homo sapiens 178-186 35367830-4 2022 Here, we found that Siglec-7, mainly expressed on hematopoietic cells, binds to VZV envelope glycoprotein B in a sialic acid-dependent manner. N-Acetylneuraminic Acid 113-124 sialic acid binding Ig like lectin 7 Homo sapiens 20-28 35149460-7 2022 Glycans with the disialoside sequence alpha(2,3)alpha(2,8)/alpha(2,6)alpha(2,8) showed high specificity and affinity for Siglec-7, and sLex alpha(2,3) exhibited a strong affinity for Siglec-9. Polysaccharides 0-7 sialic acid binding Ig like lectin 7 Homo sapiens 121-129 35149460-7 2022 Glycans with the disialoside sequence alpha(2,3)alpha(2,8)/alpha(2,6)alpha(2,8) showed high specificity and affinity for Siglec-7, and sLex alpha(2,3) exhibited a strong affinity for Siglec-9. disialoside 17-28 sialic acid binding Ig like lectin 7 Homo sapiens 121-129