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Your Position: Home > FCGR2A / CD32a Molecule

CD32a / FCGR2A Molecule Synonym Name


CD32a / FCGR2A Protein Products

Cat No Species Product Description
CD1-H5223 Human Human FcGR2A / CD32a (H131) Protein
CDA-H5221 Human Human Fc gamma RIIA / CD32a (R131) Protein
CDA-H82E6 Human Biotinylated Human Fc gamma RIIA / CD32a (H131), Avi Tag (Avitag™)
CDA-H82E7 Human Biotinylated Human Fc gamma RIIA / CD32a (R131), Avi Tag (Avitag™)

CD32a / FCGR2A Molecule Background

Receptors for the Fc region of IgG (Fc γ R) are members of the Ig superfamily that function in the activation or inhibition of immune responses. Three classes of human Fc γ Rs: RI (CD64), RII (CD32), and RIII (CD16), which generate multiple isoforms, are recognized. There are three genes for human Fcγ RII /CD32 (A, B, and C) and one for mouse Fcγ RII B (CD32B). CD32 is a low affinity receptor for IgG. The activating isoform, CD32A, is expressed on monocytes, neutrophils, platelets and dendritic cells. CD32A is expressed on many immune cell types (macrophage, neutrophil, eosinophils, platelets, dendritic cells and Langerhan cells), where inhibitory ITIM?bearing receptors may also be coexpressed and co?engaged by specific ligands. CD32A delivers an activating signal upon ligand binding, and results in the initiation of inflammatory responses including cytolysis, phagocytosis, degranulation and cytokine production. The responses can be modulated by signals from the coexpressed inhibitory receptors such as CD32B, and the strength of the signal is dependent on the ratio of expression of the activating and inhibitory receptors.


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