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Aging and Altered Gravity: A Cellular Perspective

delete2025-06-27
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OA
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S
Sharon van Rijthoven *
J
Jack J. W. A. van Loon *
DOI:10.1096/fj.202402989Rdelete
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摘要

摘要

En 中文
老年人和宇航员表现出惊人相似的表现型。尽管已有大量研究探讨了这两组在整体或器官水平(如 musculoskeletal system)的比较,但细胞水平的比较研究仍有限。因此,本文旨在通过进行广泛的范围综述来填补这一空白,比较与年龄增长相关的细胞功能变化与在改变重力条件下观察到的变化。该综述涵盖不同细胞类型和物种,突出了衰老的普遍性及其与重力的关系。我们根据领先衰老研究论文,确定了165项细胞水平的衰老标志物,并将它们分为11个主题:DNA和表观遗传学、线粒体、细胞核、免疫系统、蛋白质和代谢、溶酶体和降解、细胞周期、细胞骨架、细胞外基质(ECM)、细胞力学和细胞信号。随后,我们使用Web of Science和PubMed数据库对这些标志物在改变重力条件下的行为进行了全面检索。结果显示,在(模拟)微重力条件下,只有29%的响应与生物性衰老相似,而其他则表现出相反行为,从而突显了这些条件下细胞响应的复杂性。然而,大多数标志物在改变重力条件下仍未被探索。机械转导(mechanotransduction)被认为是导致衰老与微重力表现型相似性的潜在关键因素。鉴于重力相关研究中关于细胞水平的衰老效应仍存在相当大的知识空白,我们建议进一步开展关于构成机械转导链路的多方面组件的重力研究,这有助于理解这些共享表现型的起源,并可能为年龄相关和空间诱导的健康挑战带来新的见解。
Keyword:
agingaltered gravity
hypergravity
microgravity
senescence

期刊

FASEB Journal 封面图
FASEB Journal
IF:
4.2
论文数:
3.1W
被引数:
4.9W

机构

D
Delft University of Technology
学者数:
2.6W
论文数: 2.5W
被引数: 3.8W
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