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快速离子电流表型 (RICP) 识别了iPSC-CM AP异质性的机械基础

Alexander P Clark¹, Siyu Wei², Kristin Fullerton³

¹Department of Biomedical Engineering, Cornell University, Ithaca, New York, USA.

bioRxiv : the preprint server for biology

|August 30, 2023

概括

人类诱导的多能干细胞衍生心肌细胞 (iPSC-CMs) 显示出显著的细胞对细胞的变异性. 快速离子电流表型 (RICP) 量化了这种异质性,揭示了它对电活动的影响,并提供了机械洞察力.

科学领域:

心脏病学心脏病学
干细胞生物学干细胞生物学
电子生理学电子生理学

背景情况:

人类诱导的多能干细胞衍生心肌细胞 (iPSC-CMs) 是有价值的体外模型,用于研究心脏电生理学,药物心脏毒性和心律失常风险.
对iPSC-CMs的一个显著的限制是它们的电活动记录中细胞间的显著变异性.
了解这种异质性的来源对于可靠的iPSC-CM应用至关重要.

结论:

iPSC-CM异质性是影响它们电气行为的关键因素.
RICP提供了一种方法来剖析iPSC-CMs中细胞变异性的离子基础.
应利用这种变异性作为一个模型系统,以了解细胞电生理学异质性的基本机制.

关键词:

节律失常是因为心律失常这是一个计算机模拟.诱导的多能干细胞干细胞离子通道的离子通道补丁紧固件补丁紧固件

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