结肠腺癌中的衰老-SASP景观:预后和治疗影响
Tianyu Ren1, Suyouwei Gao1, Yangrong Feng1
1Faulty of Medical Technology, Shaanxi University of Chinese Medicine, Xianyang 712046, China.
Current issues in molecular biology
|January 30, 2026
概括
我们开发了一种九基因特征 (CSRS) 来预测结直肠癌的预后和免疫治疗的反应. 这种细胞衰老特征有助于识别那些可能受益于特定癌症治疗的患者.
科学领域:
- 在瘤学瘤学.
- 分子生物学分子生物学
- 遗传学 遗传学 是一个
背景情况:
- 细胞衰老,一种永久性细胞循环停止的状态,在癌症的发展和免疫调节中起着复杂的作用.
- 将衰老与结直肠癌预后联系在一起的具体机制尚未完全理解.
- 确定可靠的预后标志物对于有效的结直肠癌管理至关重要.
研究的目的:
- 开发和验证一个基因特征,反映细胞衰老,并预测结肠腺癌 (COAD) 的预后.
- 评估这种特征与患者存活率,免疫细胞透和对免疫疗法的反应之间的关系.
主要方法:
- 来自CellAge,TCGA和GEO数据库的综合基因表达数据.
- 通过使用Cox比例危险建模,制定了一种9基因的细胞衰老相关特征 (CSRS).
- 分析了CSRS得分与整体存活率,衰老相关分泌表型 (SASP),免疫细胞透和对免疫检查点抑制剂的反应的关联.
主要成果:
- 一个由九基因组成的CSRS被确立并验证为COAD患者整体存活时间的显著独立预后指标,与年龄和TNM阶段一起.
- 较高的CSRS得分与增加的SASP和免疫细胞透相关.
- 较低的CSRS得分表明对免疫检查点抑制剂治疗的潜在反应更好.
结论:
- 该CSRS得分及其组成基因作为潜在的生物标志物用于预测COAD患者的预后和免疫治疗益处.
- 这种签名提供了一种新的方法来分层患者,以实现个性化治疗策略.
- 这种与衰老相关的基因组的进一步验证和扩展对于个性化治疗计划是有必要的.
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