Plasma cell homeostasis: the effects of chronic antigen stimulation and inflammation.
Plasma cell homeostasis: the effects of chronic antigen stimulation and inflammation.
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DOI:
10.4049/jimmunol.1301163
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发表时间:
2013-09-15
期刊:
影响因子:
--
通讯作者:
Gray D
中科院分区:
文献类型:
--
作者:
Slocombe T;Brown S;Miles K;Gray M;Barr TA;Gray D
Long-lived plasma cells (LLPC) that maintain humoral immunity to previously encountered antigens occupy a compartment in the BM. The rules and mechanisms by which cells enter (and leave) this compartment are poorly understood. We have looked at what happens to the LLPC compartment and to plasma cell (PC) lifespan in general, in situations where antigen stimulation and/or inflammation persist. We find that chronic antigen supply causes the generation of short-lived PC in the local lymphoid organ, at the expense of any LLPC production. Furthermore, we find that inflammation caused by infection (mediated via TNFα) causes a dramatic mobilization of LLPC from the BM, with a concomitant reduction in circulating antibody levels against previously immunized antigens. These data are discussed in the context of the capacity of the BM LLPC compartment and competition for entry to it.
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影响因子:
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发表时间:
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DOI:
10.1084/jem.194.1.45
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期刊:
The Journal of experimental medicine
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20.3
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