CD4 and rheumatoid arthritis: Consistent with this, by mapping meQTL-associated CpGs to TFBSs determined from publicly available data,41,42 we found that those at RA risk loci of CD4+ T and B cells were overrepresented at nuclear factor kappa B subunit p65-binding sites (see Table E7 in this article’s Online Repository at www.jacionline.org).