B cells contribute to ischemia/reperfusion-mediated tissue injury.
B cells contribute to ischemia/reperfusion-mediated tissue injury.
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DOI:
10.1016/j.jaut.2009.02.021
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发表时间:
2009-05
影响因子:
12.8
通讯作者:
Tsokos GC
中科院分区:
文献类型:
--
作者:
Chen J;Crispín JC;Tedder TF;Dalle Lucca J;Tsokos GC
Multiple elements are known to participate in ischemia reperfusion (I/R)-mediated tissue injury. Amongst them, B cells have been shown to contribute by the production of antibodies that bind to ischemic cells and fix complement. It is currently unknown whether B cells participate through antibody-independent mechanisms in the pathogenesis of I/R. In a mesenteric I/R model we found that B cells infiltrate the injured intestine of normal and autoimmune mice 2 hours after reperfusion is established. B cell depletion protected mice from the development of I/R-mediated intestinal damage. The protection conferred by B cell depletion was significantly greater in MRL/lpr mice. Finally, we show that ischemic tissue expressed the B cell-attractant CXCL13 and infiltrating B cells expressed the corresponding receptor CXCR5. Our data grants B cells an antibody-independent role in the pathogenesis of intestinal I/R and suggests that B cells accumulate in the injured tissue in response to the chemokine CXCL13.
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DOI:
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发表时间:
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期刊:
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影响因子:
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作者:
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发表时间:
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