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CD223-PE, human, REA351, 30 tests


For research use only
货号：
130-120-610
描述：
CD223-PE, human 
包装：
for 30 tests  
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原产地：
- +  
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Clone REA351 recognizes the human CD223 antigen, a single-pass type I membrane protein also known as lymphocyte activation gene 3 protein (LAG-3). CD223 is a CD4 homolog with four extracellular Ig superfamily domains. Similar to CD4, CD223 oligomerizes at the surfaces of T cells and binds to MHC II on antigen presenting cells but with significantly higher affinity than CD4. CD223 is expressed on activated CD4
+
and CD8
+
T lymphocytes where it associates with the CD3–TCR complex at the cell surface and negatively regulates signal transduction. As a consequence, it negatively regulates T cell proliferation, function, and homeostasis. There is also increasing evidence of its involvement in regulatory function of tumor-infiltrated T cells in cancer, such as in Hodgkin’s lymphomas and in prostate cancer. CD223 is also expressed on activated NK cells, B cells, and plasmacytoid dendritic cells.
Additional information: Clone REA351 displays negligible binding to Fc receptors.

Alternative names

LAG-3, Protein FDC