- 商品介绍
- 规格参数
- 包装参数
CD49d, also known as the α4 integrin chain or VLA-4α chain, is a 150 kDa cell adhesion protein that is directly involved in mononuclear leukocyte trafficking. Dimerized with β7 integrin, the resulting α4β7 integrin binds VCAM-1 (CD106), MAdCAM-1, and fibronectin to facilitate the rolling of leukocytes along vascular epithelium. In T cells, on ligation of MAdCAM-1, α4β7 integrin also provides costimulation of T cell receptor/CD3–mediated signaling.
CD49d is expressed on most mononuclear leukocytes, both in circulation or in lymphoid or other tissues, as well as on eosinophils and basophils.
ITGA4, IA4, VLA-4α
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