A promoter haplotype of the immunoreceptor tyrosine-based inhibitory motif-bearing FcgammaRIIb alters receptor expression and associates with autoimmunity. II. Differential binding of GATA4 and Yin-Yang1 transcription factors and correlated receptor expression and function.

Abstract excerpt

The immunoreceptor tyrosine-based inhibitory motif-containing FcgammaRIIb modulates immune function on multiple cell types including B cells, monocytes/macrophages, and dendritic cells. The promoter for the human FCGR2B is polymorphic, and the less frequent 2B.4 promoter haplotype is associated with the autoimmune phenotype of systemic lupus erythematosus. In the present study, we demonstrate that the 2B.4...

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