Calcium Imaging in Pluripotent Stem Cell-Derived Cardiac Myocytes.

Calcium Imaging in Pluripotent Stem Cell-Derived Cardiac Myocytes.
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多能干细胞来源的心肌细胞的钙成像

DOI:
10.1007/7651_2015_267
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发表时间:
2016
影响因子:
--
通讯作者:
Papadopoulos S
Papadopoulos S
中科院分区:
--
文献类型:
--
作者:
Walter A;Šarić T;Hescheler J;Papadopoulos S

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从疾病特异性诱导的多能干细胞(IPSCs)分化为心肌细胞(CMS)的可能性是体外研究各种心脏疾病的有力工具。各种心脏疾病的病理过程往往是异质性的,往往会聚为细胞内钙循环紊乱。细胞质雄性不育症细胞内钙库的巨大钙通道兰尼定受体2型(RyR2)控制着钙离子的释放,因此在细胞质雄性不育症的钙循环中起着至关重要的作用。在目前的方案中,我们描述了测量和分析CMS中全局和局部细胞钙释放事件的方法,该CMS来自携带CPVT导致RyR2突变的患者。
The possibility to generate cardiomyocytes (CMs) from disease-specific induced pluripotent stem cells (iPSCs) is a powerful tool for the investigation of various cardiac diseases in vitro. The pathological course of various cardiac conditions, causatively heterogeneous, often converges into disturbed cellular Ca2+cycling. The gigantic Ca2+channel of the intracellular Ca2+store of CMs, the ryanodine receptor type 2 (RyR2), controls Ca2+release and therefore plays a crucial role in Ca2+cycling of CMs. In the present protocol we describe ways to measure and analyze global as well as local cellular Ca2+release events in CMs derived from a patient carrying a CPVT-causing RyR2 mutation.
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