1448-治疗诱导的衰老癌细胞对肿瘤免疫的双向调节 episode artwork

EPISODE · Aug 17, 2026 · 21 MIN

1448-治疗诱导的衰老癌细胞对肿瘤免疫的双向调节

from 聊聊Sci

该文献综述了治疗诱导的衰老癌细胞(TISCCs)在肿瘤免疫微环境中发挥的双重调节作用。研究指出,化疗或放疗引发的癌细胞衰老虽使细胞停止增殖,但其代谢依然活跃,并通过释放衰老相关分泌表型(SASP)和胞外囊泡影响抗肿瘤免疫。TISCCs展现出一种“免疫双刃剑”特性,初期能通过增强抗原呈递和激活先天免疫来提升肿瘤的免疫原性。然而,长期存在的衰老细胞会诱导免疫检查点上调并重塑抑制性环境,进而导致免疫逃逸和治疗耐药。基于这种动态演变,作者提出了**“时间敏感型治疗框架”,主张精准把握干预时机,将衰老细胞从免疫阻碍转化为治疗契机。这一研究方向对于优化免疫联合治疗方案**、预防癌症复发具有重要的临床指导意义。References:Choi M, Lee D, Yang W H, et al. Therapy-induced senescent cancer cells as bidirectional regulators of antitumor immunity and resistance in the tumor microenvironment[J]. Cell Death & Disease, 2026.前往小宇宙评论区与主播互动

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1448-治疗诱导的衰老癌细胞对肿瘤免疫的双向调节

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