1597-肾细胞癌放疗联合免疫治疗的动态免疫图谱研究 episode artwork

EPISODE · Sep 21, 2026 · 21 MIN

1597-肾细胞癌放疗联合免疫治疗的动态免疫图谱研究

from 聊聊Sci

这份研究报告深入探讨了RAPPORT临床试验中,利用立体定向消融放射治疗(SABR)联合帕博利珠单抗治疗少转移性透明细胞肾细胞癌(ccRCC)的免疫机制。通过对患者肿瘤组织和外周血进行纵向免疫分析,研究发现治疗前的肿瘤微环境和治疗后的全身免疫反应共同决定了疗效。治疗响应者在术前表现出更强的细胞毒性T细胞浸润及更紧密的空间分布,并在治疗后维持了高效的肿瘤富集型T细胞克隆。相比之下,无反应者则表现出免疫抑制、转化生长因子-β(TGF-β)及血管生成相关基因的活跃。这些发现为预测肾癌免疫放疗的效果提供了关键的生物标志物,并揭示了干细胞样耗竭性T细胞(Texprog)在维持长期临床获益中的核心作用。总体而言,该研究利用多组学手段为优化放射免疫联合疗法及克服耐药性提供了科学依据。References:To V, Thio N, Castle R, et al. Dynamic immune profiling predicts response to radiation plus anti-PD-1 therapy in oligometastatic renal cell carcinoma[J]. Nature Communications, 2026.前往小宇宙评论区与主播互动

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1597-肾细胞癌放疗联合免疫治疗的动态免疫图谱研究

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