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首页> 外文期刊>Cytokine >Do cardiomyocytes mount an immune response to Group A Streptococcus?
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Do cardiomyocytes mount an immune response to Group A Streptococcus?

机译:心肌细胞是否对A组链球菌产生免疫反应?

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摘要

Some patients with Group A Streptococcal toxic shock syndrome (StrepTSS) develop a unique form of cardiomyopathy characterized by global hypokinesia and reduced cardiac index. Here we investigated the immune responses of cardiomyocytes to Group A Streptococcus both in vivo and in vitro. Our data demonstrate that cardiomyocyte-derived cytokines are produced following both direct GAS stimulation and after exposure to GAS-activated inflammatory cells. These locally produced, cardiomyocyte-derived cytokines may mediate cardiac contractile dysfunction observed in patients with StrepTSS-associated cardiomyopathy and may hold the key to our ability to attenuate this severe complication.
机译:一些患有A组链球菌中毒性休克综合征(StrepTSS)的患者会形成一种独特的心肌病,其特点是整体运动不足和心脏指数降低。在这里,我们研究了体内和体外心肌细胞对A组链球菌的免疫反应。我们的数据表明,直接GAS刺激后以及暴露于GAS激活的炎症细胞后,都会产生心肌细胞源性细胞因子。这些本地产生的心肌细胞源性细胞因子可能介导在与StrepTSS相关的心肌病患者中观察到的心脏收缩功能障碍,并且可能是我们减轻这种严重并发症的能力的关键。

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