Concise review: maturation phases of human pluripotent stem cell-derived cardiomyocytes.

Concise review: maturation phases of human pluripotent stem cell-derived cardiomyocytes.
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DOI:
10.1002/stem.1331
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发表时间:
2013-05
期刊:
影响因子:
5.2
通讯作者:
George, Steven C.
George, Steven C.
中科院分区:
医学2区
文献类型:
--
作者:
Robertson, Claire;Tran, David D.;George, Steven C.

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人类多能干细胞衍生的心肌细胞(hPS-CM)可能比以前的心脏模型具有许多优点,然而,其不成熟的问题使其作为一种新的体外模型的采用复杂化。hPS-CM在结构、增殖、代谢和电生理方面与成人心肌细胞不同,更接近胎儿心肌细胞。培养时间似乎显著影响表型,导致可称为早期和晚期hPS-CM。这项工作调查了hPS-CM的表型,包括结构、生物能量学、损伤敏感性、基因表达和电生理学,包括动作电位、离子通道和细胞内钙储存,同时比较了胚胎和成人CM与hPS-CM在分化开始后的早期和晚期时间点。
Human pluripotent stem cell-derived cardiomyocytes (hPS-CM) may offer a number of advantages over previous cardiac models, however, questions of their immaturity complicate their adoption as a new in vitro model. hPS-CM differ from adult cardiomyocytes with respect to structure, proliferation, metabolism and electrophysiology, better approximating fetal cardiomyocytes. Time in culture appears to significantly impact phenotype, leading to what can be referred to as early and late hPS-CM. This work surveys the phenotype of hPS-CM, including structure, bioenergetics, sensitivity to damage, gene expression, and electrophysiology, including action potential, ion channels, and intracellular calcium stores, while contrasting fetal and adult CM with hPS-CM at early and late time points after onset of differentiation.
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