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Definition: a type I transmembrane protein present on monocytes, B cells, neutrophils, placental trophoblasts, and endothelium; acts as a signal transducer for IgG-mediated phagocytosis and neutrophil and monocyte oxidative burst; transduces an inhibitory signal on B cells and may play a role in placental IgG transport.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.