1614-IMPREG:肿瘤免疫豁免调节子与免疫治疗耐药研究 episode artwork

EPISODE · Sep 25, 2026 · 20 MIN

1614-IMPREG:肿瘤免疫豁免调节子与免疫治疗耐药研究

from 聊聊Sci

这项研究介绍了一种名为 IMPREG 的新型转录调控特征,它揭示了肿瘤如何通过模仿大脑等免疫特权器官的基因程序,来逃避免疫系统的攻击。研究发现,不同癌症会利用恶性细胞、成纤维细胞或内皮细胞这三种路径,在肿瘤微环境中建立起抑制免疫反应的“隔离区”,从而导致 T 细胞无法进入肿瘤。通过对 40 多个临床数据集的分析,证明了 IMPREG 是预测免疫检查点阻断疗法(如 PD-1 抑制剂)耐药性的强效生物标志物。该指标与肿瘤突变负荷(TMB)等传统标志物互为补充,展现了极高的独立预测价值。此外,IMPREG 还能识别出对特定靶向疗法或抗血管生成药物更敏感的患者,为个性化精准治疗提供了新的决策依据。References:Lawal B, Gupta A, Sharma R, et al. Tumors hijack immune-privileging regulons via distinct cell types to confer T cell desertion and immunotherapy resistance across various cancers[J]. Nature Communications, 2026.前往小宇宙评论区与主播互动

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1614-IMPREG:肿瘤免疫豁免调节子与免疫治疗耐药研究

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