Splenectomy reduces infarct volume and neuroinflammation in male but not female mice in experimental stroke.

Splenectomy reduces infarct volume and neuroinflammation in male but not female mice in experimental stroke.
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DOI:
10.1016/j.jneuroim.2014.11.020
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发表时间:
2015-01-15
影响因子:
3.3
通讯作者:
Offner, Halina
Offner, Halina
中科院分区:
医学4区
文献类型:
--
作者:
Dotson, Abby L.;Wang, Jianming;Saugstad, Julie;Murphy, Stephanie J.;Offner, Halina

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外周免疫反应有助于中风后的神经退行性变,但很少有人知道这个过程在男性和女性之间有何不同。目前的研究表明,实验性中风前脾切除消除了梗死体积和激活的脑单核细胞/小胶质细胞的性别差异。在两种性别的外周血中,活化的T细胞与卒中结局直接相关,而单核细胞仅在雄性中通过脾切除术减少。这项研究提供了新的信息,性别特异性机制的外周免疫反应在神经退行性卒中后,并证明了两性的基础和临床中风研究的代表性。
The peripheral immune response contributes to neurodegeneration after stroke yet little is known about how this process differs between males and females. The current study demonstrates that splenectomy prior to experimental stroke eliminates sex differences in infarct volume and activated brain monocytes/microglia. In the periphery of both sexes, activated T cells correlate directly with stroke outcome while monocytes are reduced by splenectomy only in males. This study provides new information about the sex specific mechanisms of the peripheral immune response in neurodegeneration after stroke and demonstrates the need for representation of both sexes in basic and clinical stroke research.
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