Autophagy and pluripotency: self-eating your way to eternal youth.

Autophagy and pluripotency: self-eating your way to eternal youth.
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DOI:
10.1016/j.tcb.2022.04.001
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发表时间:
2022-10
影响因子:
19
通讯作者:
Yang, Xiaolu
Yang, Xiaolu
中科院分区:
生物学1区
文献类型:
--
作者:
Xu, Yi;Yang, Xiaolu

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多能干细胞(PSC)可以在培养中无限期地自我更新,同时保留在成年动物中分化成几乎所有正常细胞类型的潜力。由于这些显著的特性,多能干细胞不仅提供了研究哺乳动物发育和疾病模型的极好系统,而且还有望用于再生疗法。自噬是一种自我消化过程,其靶向蛋白质、细胞器和其他细胞内容物进行溶酶体降解。在这里,我们回顾了最近的文献中不同类型的自噬在胚胎发育,胚胎干细胞(ESC)和诱导多能干细胞(iPSC)的机制作用,专注于其重塑功能的蛋白质,代谢和表观遗传学。我们提出了一个未解决的问题的观点,并提出自噬是一个有前途的目标,以调节收购,维护和定向分化的PSC。
Pluripotent stem cells (PSCs) can self-renew indefinitely in culture while retaining the potential to differentiate into virtually all normal cell types in the adult animal. Due to these remarkable properties, pluripotent stem cells not only provide a superb system to investigate mammalian development and model diseases, but also hold promise for regenerative therapies. Autophagy is a self-digestive process that targets proteins, organelles, and other cellular contents for lysosomal degradation. Here, we review recent literature on the mechanistic role of different types of autophagy in embryonic development, embryonic stem cells (ESCs), and induced pluripotent stem cells (iPSCs), focusing on their remodeling functions on protein, metabolism, and epigenetics. We present a perspective on unsolved issues and propose that autophagy is a promising target to modulate acquisition, maintenance, and directed differentiation of PSCs.
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