期刊
NATURE IMMUNOLOGY
卷 1, 期 6, 页码 475-482出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/82717
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- NIAID NIH HHS [AI43629, AI22125] Funding Source: Medline
Although B cells produce cytokines it is not known whether B cells can differentiate into effector subsets that secrete polarized arrays of cytokines. We have identified two populations of effector B cells (Bel and Be2) that produce distinct patterns of cytokines depending on the cytokine environment in which the cells were stimulated during their primary encounter with antigen and T cells. These effector B cell subsets subsequently regulate the differentiation of naive CD4(+)T cells to T(H)1 and T(H)2 cells through production of polarizing cytokines such as interleukin 4 and interferon gamma. In addition, Eel and Be2 cells could, be identified in animals that were infected with pathogens that preferentially induce a Type I or Type 2 immune response. Together these results suggest that, in addition to their well defined role in antibody production, B cells may regulate immune responses to infectious pathogens through their production of cytokines.
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