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Electron Microscope Analysis of Cardiomyocytes in the Rat Left Ventricle under Simulation of Weightlessness Effects and Artificial Gravitation

机译:模拟失重和人工重力作用下大鼠左心室心肌细胞的电子显微镜分析

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摘要

Electron microscopic study of left ventricle cardiomyocytes and quantitative analysis of their mitochondriom was performed in rats exposed to tail-suspension, as a model of weightlessness effects, to artificial gravity produced by intermittent 2 Gcentrifugation and a combination of these effects. It was found that the cardiomyocytes ultrastructure changed slightly after tail-suspension and after intermittent 2 G influence, as well as under a combination of these effects. However, the number of intermitochondrial junctions increased significantly in the interfibrillar zone of cardiomyocytes under a combination of tail-suspension and intermittent 2 G influence, which agrees with the cell hypertrophy described earlier.
机译:作为失重效应的模型,在大鼠的尾部悬吊中对左心室心肌细胞进行了电子显微镜研究,并对它们的线粒体进行了定量分析,这是间歇性2 G离心法以及这些作用组合产生的人工重力的模型。发现在尾部悬吊和间歇性2 G影响后以及在这些作用的组合下,心肌细胞的超微结构略有变化。然而,在尾部悬吊和间歇性2 G的共同作用下,心肌细胞的纤维间区中线粒体间连接的数目显着增加,这与先前描述的细胞肥大相符。

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  • 来源
    《Biology Bulletin》 |2012年第3期|p.221-228|共8页
  • 作者单位

    Biological Faculty, Moscow Stale University, Vorob'evy gory Moscow, 119991 Russia;

    Biological Faculty, Moscow Stale University, Vorob'evy gory Moscow, 119991 Russia;

    Biological Faculty, Moscow Stale University, Vorob'evy gory Moscow, 119991 Russia;

    Institute of Biological- Medical Problems, Russian Academy of Sciences,Khoroshevskoe shosse 76a, Moscow, 123007 Russia;

    Biological Faculty, Moscow Stale University, Vorob'evy gory Moscow, 119991 Russia;

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