IGSF8 | |||||||||||||||||||||||||||||||||||||||||||||||||||
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Aliases | IGSF8 , CD316, CD81P3, EWI-2, EWI2, KCT-4, LIR-D1, PGRL, immunoglobulin superfamily member 8 | ||||||||||||||||||||||||||||||||||||||||||||||||||
External IDs | OMIM: 606644; MGI: 2154090; HomoloGene: 14163; GeneCards: IGSF8; OMA:IGSF8 - orthologs | ||||||||||||||||||||||||||||||||||||||||||||||||||
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Wikidata | |||||||||||||||||||||||||||||||||||||||||||||||||||
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Immunoglobulin superfamily member 8 is a protein that in humans is encoded by the IGSF8 gene. [5] [6] [7] IGSF8 has also been designated as CD316 (cluster of differentiation 316). IGSF8 is an innate immune checkpoint that inhibits the cytotoxic activity of natural killer (NK) cells. [8] IGSF8 acts by binding to the Killer Ig-like Receptor KIR3DL2 (or, in mice, the analogous Klra9 receptor). [8] IGSF8 is frequently overexpressed relative to normal tissues in many cancers, included melanoma, urothelial carcinoma, and breast cancer, [8] and has been proposed as a potential therapeutic target in gliomas. [9] In normal tissues, IGSF8 is highly expressed in the brain, where it may contribute to the immune privilege of the central nervous system. [8]
In gliomas, IGSF8 is strongly correlated with tumor grade and is a potential prognostic marker. [9] IGSF8 is enriched on ovarian cancer-derived extracellular vesicles and is a potential biomarker for the early detection of high grade serous ovarian cancer. [10]
CD49d is an integrin alpha subunit. It makes up half of the α4β1 lymphocyte homing receptor.
Integrin alpha-3 is a protein that in humans is encoded by the ITGA3 gene. ITGA3 is an integrin alpha subunit. Together with beta-1 subunit, it makes up half of the α3β1 integrin duplex that plays a role in neural migration and corticogenesis, acted upon by such factors as netrin-1 and reelin.
CD9 is a gene encoding a protein that is a member of the transmembrane 4 superfamily also known as the tetraspanin family. It is a cell surface glycoprotein that consists of four transmembrane regions and has two extracellular loops that contain disulfide bonds which are conserved throughout the tetraspanin family. Also containing distinct palmitoylation sites that allows CD9 to interact with lipids and other proteins.
Leukocyte antigen CD37 is a protein that in humans is encoded by the CD37 gene.
Leukocyte surface antigen CD53 is a protein that in humans is encoded by the CD53 gene.
CD63 antigen is a protein that, in humans, is encoded by the CD63 gene. CD63 is mainly associated with membranes of intracellular vesicles, although cell surface expression may be induced.
CD151 molecule, also known as CD151, is a human gene.
G protein-coupled receptor 56 also known as TM7XN1 is a protein encoded by the ADGRG1 gene. GPR56 is a member of the adhesion GPCR family. Adhesion GPCRs are characterized by an extended extracellular region often possessing N-terminal protein modules that is linked to a TM7 region via a domain known as the GPCR-Autoproteolysis INducing (GAIN) domain.
CD81 molecule, also known as CD81, is a protein which in humans is encoded by the CD81 gene. It is also known as 26 kDa cell surface protein, TAPA-1, and Tetraspanin-28 (Tspan-28).
CD82, or KAI1, is a human protein encoded by the CD82 gene.
Integrin beta-5 is a protein that in humans is encoded by the ITGB5 gene.
Tetraspanin-7 is a protein that in humans is encoded by the TSPAN7 gene.
Uroplakin-1a (UP1a) is a protein that in humans is encoded by the UPK1A gene.
Integrin beta-8 is a protein that in humans is encoded by the ITGB8 gene.
Tetraspanin-4 is a protein that in humans is encoded by the TSPAN4 gene.
Prostaglandin F2 receptor negative regulator is a protein that in humans is encoded by the PTGFRN gene. PTGFRN has also been designated as CD315.
Tetraspanin-8 is a protein that in humans is encoded by the TSPAN8 gene.
Immunoglobulin superfamily, member 2 (IGSF2) also known as CD101, is a human gene.
Tetraspanin-2 is a protein that in humans is encoded by the TSPAN2 gene.
Ras-related protein Rap-1b, also known as GTP-binding protein smg p21B, is a protein that in humans is encoded by the RAP1B gene.