|Detection of L‑Selectin/CD62L in Mouse Splenocytes by Flow Cytometry. Mouse splenocytes were stained with Rat Anti-Mouse L‑Selectin/CD62L PE‑conjugated Monoclonal Antibody (Catalog # FAB5761P, filled histogram) or isotype control antibody (Catalog # IC006P, open histogram). View our protocol for Staining Membrane-associated Proteins.|
L‑Selectin (Leukocyte Selectin), also known as CD62L, LAM-1, LECAM-1, LECCAM-1, TQ1, Leu-8, MEL‑14 antigen, DREG, and Lymph Node Homing Receptor, a member of the Selectin family, is a cell surface glycoprotein expressed constitutively on a wide variety of leukocytes. Two forms of L‑Selectin have been reported, apparently arising as a result of post-translational modifications. The lymphocyte form shows an apparent molecular weight of 74 kDa, while the neutrophil form is 90‑100 kDa. Human and mouse L‑Selectin share 76% amino acid sequence homology. L‑Selectin plays a role in the migration of lymphocytes into peripheral lymph nodes and sites of chronic inflammation, and of neutrophils into acute inflammatory sites. Acting in cooperation with P-Selectin and E-Selectin, L‑Selectin mediates the initial interaction of circulating leukocytes with endothelial cells that produces a characteristic "rolling" of the leukocytes on the endothelium. This initial interaction involving ICAM-1 and VCAM-1 leads eventually to extravasation of the white blood cell through the blood vessel wall into the extracellular matrix tissue.
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