MAFA
Appearance
MAFA (Mast cell function-associated antigen) is a type II membranal glycoprotein, first identified on the surface of rat mucosal-type mast cells of the RBL-2H3 line. More recently, human and mouse homologues of MAFA have been discovered yet also (or only) expressed by NK and T-cells.[1]
The intracellular domain of MAFA contains a single immunoreceptor tyrosine-based inhibitory motif (ITIM), which classifies MAFA as a member of an inhibitory receptor superfamily. The inhibitory capacity of MAFA is best defined in mast cells, where MAFA keeps in check the antigen-induced (i.e. Fc epsilon RI-induced) secretion of inflammatory mediators.[citation needed]
References
- ^ Abramson (Received 24 December 2001; accepted 18 January 2002. Available online 21 June 2002). "An unusual inhibitory receptor—the mast cell function-associated antigen (MAFA)". Molecular Immunology. 38: 1307–1313. doi:10.1016/S0161-5890(02)00080-9. Retrieved 2008-05-10.
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