TLR and B cell receptor signals to B cells differentially program primary and memory Th1 responses to Salmonella enterica.

TLR and B cell receptor signals to B cells differentially program primary and memory Th1 responses to Salmonella enterica.
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DOI:
10.4049/jimmunol.1001431
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发表时间:
2010-09-01
期刊:
Journal of immunology (Baltimore, Md. : 1950)
影响因子:
--
通讯作者:
Gray D
Gray D
中科院分区:
其他
文献类型:
--
作者:
Barr TA;Brown S;Mastroeni P;Gray D

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Protective Th1 responses to Salmonella enterica do not develop in the absence of B cells. Using chimeric mice, we dissect the early (innate) and late (cognate) contributions of B cells to Th programming. B cell intrinsic MyD88 signaling is required for primary effector Th1 development, while antigen-specific BCR-mediated antigen presentation is necessary for the development of memory Th1 populations. Programming of the primary T cell response is BCR/B cell MHC II-independent but requires MyD88-dependent secretion of cytokines by B cells. Chimeras in which B cells lack IFN-γ or IL-6 genes make impaired Th1 or Th17 responses to Salmonella.
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