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当前位置:首页  »  实验视频  »  Cellular Biology  »  Isolation and Genetic Manipulation of Adult Cardiac Myocytes for Confocal Imaging

  • Isolation and Genetic Manipulation of Adult Cardiac Myocytes for Confocal Imaging


    时长:未知

    类型:Cellular Biology

    时间:2009

    国家:美国

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    播放次数:加载中

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内容介绍

    Lars Kaestner, Anke Scholz, Karin Hammer, Anne Vecerdea, Sandra Ruppenthal, Peter LippInstitute for Molecular Cell Biology, Saarland University Cardiac myocytes isolated from adult hearts are widely accepted as a model somewhere half way between embryonic and neonatal muscle cells on one side and a working heart on the other. Thus, cardiomyocytes serve as good models for cardiac cellular physiology and pathophysiology, for pharmaceutical investigations as well as for the exploration of transgenic animal models. Here we describe a method of isolating the cells from the heart. Furthermore we show how a genetic manipulation on cardiac myocytes can be performed without breeding a transgenic animal: This is the combination of long term culture (1 week) and adenoviral gene transfer. The latter one is described from the construction of the virus to the transduction of the cells. It can be used for the expression of genetically encoded biosensors (GEBs), fluorescent fusion proteins, but also for protein over expression and down regulation, e.g. using RNAi. Here we provide an example for the expression of a fusion protein staining a subcellular structure (Golgi). Such protein expression can be visualized by confocal imaging of z-stacks for a 3D-reconstruction of subcellular structures. The protocol comprises state-of-the-art in cell culture, molecular biology and biophysics and thus provides an approach for exploring new horizons in cellular cardiology.

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