基因组不稳定性是指随着衰老发生的DNA损伤的进行性积累和DNA修复机制的衰退。这一标志代表了细胞衰老的主要驱动因素之一,因为遗传信息的完整性会随着时间的推移而受损,从而导致细胞功能障碍和死亡。
基因组不稳定性包含多种形式的DNA损伤,包括:
随着我们年龄的增长,我们的细胞会经历越来越严重的DNA损伤,同时失去有效修复这些损伤的能力。
López-Otín, C., et al. (2023). "Hallmarks of aging: An expanding universe." Cell, 186(2), 243-278. PubMed
Hoeijmakers, J. H. (2009). "DNA damage, aging, and cancer." New England Journal of Medicine, 361(15), 1475-1485. PubMed
Moskalev, A. A., et al. (2013). "The role of DNA damage and repair in aging through the prism of Koch-like criteria." Ageing Research Reviews, 12(2), 661-684. PubMed
Niedernhofer, L. J., et al. (2018). "Nuclear genomic instability and aging." Annual Review of Biochemistry, 87, 295-322. PubMed
White, R. R., & Vijg, J. (2016). "Do DNA double-strand breaks drive aging?" Molecular Cell, 63(5), 729-738. PubMed
属于 Hallmarks of Aging 系列