1631-晚期肾癌治疗耐药的单细胞图谱与免疫逃逸机制研究 episode artwork

EPISODE · Sep 30, 2026 · 20 MIN

1631-晚期肾癌治疗耐药的单细胞图谱与免疫逃逸机制研究

from 聊聊Sci

这项研究通过单细胞转录组测序分析,揭示了晚期肾细胞癌在接受酪氨酸激酶抑制剂(TKI)与免疫检查点抑制剂(ICI)联合治疗时的耐药机制。研究人员发现,SAA+肿瘤细胞会诱导具有免疫抑制特性的CEACAM1+中性粒细胞浸润,进而导致CD8+ T细胞功能竭制。通过建立单细胞图谱,该研究确立了由SAA–CEACAM1–TIM-3构成的免疫抑制轴是驱动治疗失效的关键因素。在动物实验中,阻断该信号轴能显著逆转耐药性并增强抗肿瘤疗效。这些发现不仅为临床预后提供了SAA这一潜在的生物标志物,也为攻克肾癌耐药性指明了新的精准治疗靶点。References:Gu L, Zhang Q, Liang Q, et al. PD-1 blockade plus tyrosine kinase inhibitor remodels the tumor microenvironment in advanced renal cell carcinoma[J]. Nature Communications, 2026, 17(1): 4626.前往小宇宙评论区与主播互动

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1631-晚期肾癌治疗耐药的单细胞图谱与免疫逃逸机制研究

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