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聊聊Sci

046-癌症中的细胞衰老

11 Aug 2025

Description

细胞衰老是一种稳定的细胞周期停滞状态,由各种内在和外在应激源引起,作为一种保护机制,旨在阻止受损细胞的增殖。尽管这一过程对于组织稳态和肿瘤抑制至关重要,但随着时间的推移,衰老细胞(SnCs)的逐渐积累与年龄相关病理学有关,包括免疫功能障碍和癌症。在肿瘤学中,衰老扮演着矛盾的角色:它可以通过阻止潜在恶性细胞的生长来抑制肿瘤发展,但也可以通过衰老相关分泌表型(SASP)促进肿瘤进展。本综述探讨了癌症中衰老的定义特征、其与肿瘤细胞、基质和免疫系统的复杂相互作用,以及其背景依赖性结果。这篇文章还讨论了当前和新兴的靶向SnCs的治疗策略:通过诱导或清除它们,以及用于在癌症中检测和表征SnCs的AI驱动方法。References: Colucci M, Sarill M, Maddalena M, et al. Senescence in cancer[J]. Cancer Cell, 2025.

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