Journal
JOURNAL OF EXPERIMENTAL MEDICINE
Volume 212, Issue 9, Pages 1361-1369Publisher
ROCKEFELLER UNIV PRESS
DOI: 10.1084/jem.20151267
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- Bill and Melinda Gates Foundation [OPP1123905]
- Bill and Melinda Gates Foundation [OPP1123905] Funding Source: Bill and Melinda Gates Foundation
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Antibodies are bifunctional molecules, containing a variable Fab domain that mediates binding specificity and a constant Fc domain that bridges antibody-coated targets with Fc gamma R-expressing cells that mediate effector functions. Although traditional mechanisms of antibody-mediated neutralization of microbes have been largely thought to result from Fab-antigen interactions, recent studies suggest that recruitment of Fc gamma R-expressing effector cells by antibodies is a major in vivo mechanism of antibody-mediated protection from infection. In this article, we review Fc gamma R biology, compare mammalian Fc gamma R families, and summarize recent evidence demonstrating the crucial role that Fc-Fc gamma R interactions play during in vivo protection from infection.
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