Article
A critical role for Fc gamma RIIB in the induction of rheumatoid factors.
Journal of immunology (Baltimore, Md. : 1950) - 1 Oct 2004
Moll Thomas, Nitschke Lars, Carroll Michael, Ravetch Jeffrey V, Izui Shozo
Abstract excerpt
Rheumatoid factors (RF) are autoantibodies with specificity for the Fc portion of IgG, and IgG-containing immune complexes are likely to be the major source of RF autoantigens. Therefore, the activation of RF-producing B cells could be controlled specifically through recognition of IgG immune complexes by the low-affinity IgG FcR, FcgammaRIIB, a potent negative regulator of the BCR. To test this possibility, we...
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