期刊
JOURNAL OF INFLAMMATION RESEARCH
卷 14, 期 -, 页码 75-84出版社
DOVE MEDICAL PRESS LTD
DOI: 10.2147/JIR.S286426
关键词
regulatory B cells; immune regulation; health; disease
类别
Regulatory B cells (Bregs) are a novel subset of B cells that expand after activation upon specific stimuli, exerting negative immune regulatory roles and playing various roles in immune regulation, with potential pathological and protective effects in health and disease.
Equivalent to regulatory T cells, a novel B cell populace, called regulatory B cells (Bregs), has been found to exert a negative immune regulatory role. These subsets of cells account for 0.5% of human B cells from the periphery that expand after activation upon certain stimuli depending on the nature of the microenvironment and provide a variety of Breg cell phenotypes. The increasing number of suppressive mechanisms attributed to Bregs suggests that these immune cells play many roles in immune regulation. Bregs have been confirmed to play a role in host defense mechanisms of healthy individuals as well as they play pathologic and protective roles in diseases or other conditions. Accumulating evidence reported that Bregs have a role in autoimmune and infectious diseases to lower inflammation, and in cancer to attenuate antitumor immune responses, thereby to promote cancer growth and metastasis. More recently, Bregs are also found to be involved in conditions like transplantation for transplant tolerance, during pregnancy to create an immune-privileged uterine environment and during early neonate life. Herein, the review summarizes recent findings aimed to provide understanding on the Breg cells, in the hope to gain insight on the general overview, development, mechanism of activation, and action of Bregs as well as their potential roles in health and diseases.
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