Human B Cell Tolerance and Its Failure in Rheumatoid Arthritis

Abstract excerpt

Random V(D)J gene assembly generates many autoreactive B cell receptors (BCRs). In healthy donors, most autoreactive developing B cells are removed either in the bone marrow or in the periphery, revealing two B cell tolerance checkpoints. The regulation and the mechanisms that ensure this human B cell tolerance are poorly characterized, but they require proper BCR signaling. Indeed, patients with X-linked...

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