首页> 外文期刊>Journal of Neuroimmunology: Official Bulletin of the Research Committee on Neuroimmunology of the World Federation of Neurology >Scavenger receptor SRA attenuates TLR4-induced microglia activation in intracerebral hemorrhage
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Scavenger receptor SRA attenuates TLR4-induced microglia activation in intracerebral hemorrhage

机译:清道夫受体SRA减弱脑出血中TLR4诱导的小胶质细胞活化。

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摘要

Scavenger receptor A (SRA) has been shown to participate in the pattern recognition of pathogen infection. However, its role in intracerebral hemorrhage has not been well defined. In this study, we detected SRA and TLR4 expression and inflammatory response of microglia treated with erythrocyte lysate in vitro, and observed the cerebral water content and neurological deficit of ICH mice in vivo. We found that SRA deficiency leads to greater sensitivity to erythrocyte lysate-induced inflammatory response. SRA down-regulated inflammatory response expression in microglia by suppressing TLR4-induced activation. Collectively, we have identified the molecular linkage between SRA and the TLR4 signaling pathways in ICH. And our results reveal that SRA has important clinical implications for TLR-targeted immunotherapeutical strategy in ICH. (C) 2015 Elsevier B.V. All rights reserved.
机译:已经证明清道夫受体A(SRA)参与病原体感染的模式识别。但是,其在脑出血中的作用尚未明确。在这项研究中,我们检测了SRA和TLR4的表达以及体外用红细胞裂解液处理的小胶质细胞的炎症反应,并观察了ICH小鼠的体内脑水含量和神经功能缺损。我们发现SRA缺乏导致对红细胞裂解物诱导的炎症反应的更高敏感性。 SRA通过抑制TLR4诱导的激活来下调小胶质细胞的炎症反应表达。集体,我们已经确定了SRA和ICH中TLR4信号通路之间的分子联系。我们的结果表明,SRA对于ICH中TLR靶向免疫治疗策略具有重要的临床意义。 (C)2015 Elsevier B.V.保留所有权利。

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