Elimination of germinal-center-derived self-reactive B cells is governed by the location and concentration of self-antigen.

Abstract excerpt

Secondary diversification of the B cell repertoire by immunoglobulin gene somatic hypermutation in the germinal center (GC) is essential for providing the high-affinity antibody specificities required for long-term humoral immunity. While the risk to self-tolerance posed by inadvertent generation of self-reactive GC B cells has long been recognized, it has not previously been possible to identify such cells and...

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