B10 cell regulation of health and disease.
While B cells are traditionally regarded as promoters of the immune response via antibody secretion and pro-inflammatory cytokine production, recent studies have also confirmed an important role for B-cell-mediated negative regulation of immunity. Tremendous advances in the characterization of the mechanisms by which regulatory B cells function has led to the identification of a novel subset of regulatory B cells known as B10 cells, which regulate immune responses through the production of the anti-inflammatory cytokine interleukin-10 (IL-10). B10 cells are best defined by their functional ability to produce IL-10, as they are not confined to any particular phenotypic subset. B10 cells function in an antigen-specific manner that requires cognate interactions with T cells in vivo to regulate immune responses and have been demonstrated to be potent regulators of allergic and autoimmune disease, cancer, infection, and transplant rejection. Importantly, the recent discovery of human B10 cells has accelerated this field to the forefront of clinical research where the possibility of harnessing the regulatory potential of B10 cells for treatment of aberrant immune responses and diseases may become feasible.
Candando, KM; Lykken, JM; Tedder, TF
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