B cell depletion reduces the development of atherosclerosis in mice.

B cell depletion reduces the development of atherosclerosis in mice.
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DOI:
10.1084/jem.20100155
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发表时间:
2010-08-02
期刊:
The Journal of experimental medicine
影响因子:
--
通讯作者:
Mallat Z
Mallat Z
中科院分区:
其他
文献类型:
--
作者:
Ait-Oufella H;Herbin O;Bouaziz JD;Binder CJ;Uyttenhove C;Laurans L;Taleb S;Van Vré E;Esposito B;Vilar J;Sirvent J;Van Snick J;Tedgui A;Tedder TF;Mallat Z

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B cell depletion significantly reduces the burden of several immune-mediated diseases. However, B cell activation has been until now associated with a protection against atherosclerosis, suggesting that B cell–depleting therapies would enhance cardiovascular risk. We unexpectedly show that mature B cell depletion using a CD20-specific monoclonal antibody induces a significant reduction of atherosclerosis in various mouse models of the disease. This treatment preserves the production of natural and potentially protective anti–oxidized low-density lipoprotein (oxLDL) IgM autoantibodies over IgG type anti-oxLDL antibodies, and markedly reduces pathogenic T cell activation. B cell depletion diminished T cell–derived IFN-γ secretion and enhanced production of IL-17; neutralization of the latter abrogated CD20 antibody–mediated atheroprotection. These results challenge the current paradigm that B cell activation plays an overall protective role in atherogenesis and identify new antiatherogenic strategies based on B cell modulation.
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