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人多能干细胞衍生心肌细胞的冷冻保存:策略、挑战与未来方向

Cryopreservation of Human Pluripotent Stem Cell-Derived Cardiomyocytes: Strategies, Challenges, and Future Directions.

作者信息

Preininger Marcela K, Singh Monalisa, Xu Chunhui

机构信息

Division of Pediatric Cardiology, Department of Pediatrics, Emory University School of Medicine and Children's Healthcare of Atlanta, 2015 Uppergate Drive, Atlanta, GA, 30322, USA.

Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA.

出版信息

Adv Exp Med Biol. 2016;951:123-135. doi: 10.1007/978-3-319-45457-3_10.

Abstract

In recent years, human pluripotent stem cell-derived cardiomyocytes (hPSC-CMs) have emerged as a vital cell source for in vitro modeling of genetic cardiovascular disorders, drug screening, and in vivo cardiac regeneration research. Looking forward, the ability to efficiently cryopreserve hPSC-CMs without compromising their normal biochemical and physiologic functions will dramatically facilitate their various biomedical applications. Although working protocols for freezing, storing, and thawing hPSC-CMs have been established, the question remains as to whether they are optimal. In this chapter, we discuss our current understanding of cryopreservation appertaining to hPSC-CMs, and proffer key questions regarding the mechanical, contractile, and regenerative properties of cryopreserved hPSC-CMs.

摘要

近年来,人多能干细胞衍生的心肌细胞(hPSC-CMs)已成为用于遗传性心血管疾病体外建模、药物筛选及体内心脏再生研究的重要细胞来源。展望未来,能够在不损害其正常生化和生理功能的前提下高效冷冻保存hPSC-CMs,将极大地促进其在各种生物医学领域的应用。尽管已经建立了hPSC-CMs冷冻、储存和解冻的操作方案,但这些方案是否最优仍有待探讨。在本章中,我们讨论了目前对hPSC-CMs冷冻保存的认识,并提出了有关冷冻保存的hPSC-CMs的力学、收缩和再生特性的关键问题。

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