Search Thermo Fisher Scientific
Search Thermo Fisher Scientific
Bioss
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CD29, also known as ITGB1 or Integrin Subunit Beta 1, is a 110 kDa cell surface glycoprotein widely expressed by various cells, including all leukocytes. It forms non-covalently linked heterodimers with at least six different alpha integrins (CD49a-f), creating VLA-1 through VLA-6 complexes, as well as with CD51. These alpha-beta integrin heterodimers mediate a range of cellular responses, including adhesion, trafficking, proliferation, and differentiation. CD29-containing integrins bind to extracellular matrix proteins such as collagen, laminin, fibronectin, and vitronectin. Some integrins also interact with cellular receptors like VCAM-1 and MadCAM-1. CD29 plays a crucial role in immune cell trafficking from blood to tissue, particularly during leukocyte emigration and extravascular migration. It is involved in regulating tissue damage and disease symptoms related to inflammatory bowel disease. In the presence of anti-tumor drugs, decreased expression of ITGB1 correlates with multidrug resistance in tumor cells. ITGB1-dependent mechanisms enhance cytokine secretion in human airway smooth muscle in response to IL-1beta, facilitated by fibronectin and type I collagen. More than eight beta subunits with numerous splice variant isoforms have been identified in mammals, including two major forms: beta1A and beta1D. Beta1A is present in all tissues except cardiac and skeletal muscle, which express the beta1D variant.
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Protein Aliases: Beta OL; Beta oligodendroglia; CD29; Fibronectin receptor subunit beta; Glycoprotein IIa; GPIIA; integrin beta 1; integrin beta 1 (fibronectin receptor beta); Integrin beta-1; Integrin beta1; Integrin subunit beta-1; integrin VLA-4 beta subunit; Integrin VLA-4 subunit beta; integrin, beta 1 (fibronectin receptor, beta polypeptide, antigen CD29 includes MDF2, MSK12); ITBG1D; ITGB1; very late activation protein, beta polypeptide; VLA-4 subunit beta
Gene Aliases: 4633401G24Rik; AA409975; AA960159; CD29; ENSMUSG00000051907; FNRB; Gm9863; GPIIA; ITGB1; MDF2; MSK12; VLA-BETA; VLAB
UniProt ID: (Human) P05556, (Sheep) B0FYY4, (Mouse) Q3TWH6, (Rat) P49134
Entrez Gene ID: (Human) 3688, (Rabbit) 100008898, (Sheep) 443141, (Mouse) 16412, (Rat) 24511
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