1411-RelB/ILF2–GM-CSF轴在前列腺癌免疫抑制中的调控机制 episode artwork

EPISODE · Aug 10, 2026 · 17 MIN

1411-RelB/ILF2–GM-CSF轴在前列腺癌免疫抑制中的调控机制

from 聊聊Sci

这项研究揭示了前列腺癌中一种前所未见的RelB/ILF2–GM-CSF信号环路,该机制通过维持免疫抑制环境来助力肿瘤逃逸。研究发现,ILF2蛋白能与RelB结合并增强其稳定性,进而诱导GM-CSF的分泌,这种细胞因子会进一步促进髓系衍生抑制细胞(MDSCs)的扩增。这些积聚的MDSCs会显著抑制CD8⁺ T细胞的抗肿瘤活性,使肿瘤呈现“冷”免疫特征。实验证明,阻断该信号环路或联合使用RelB抑制剂能有效逆转免疫抑制状态。这一发现为提升前列腺癌对**免疫检查点阻断(ICB)**疗法的响应提供了新的治疗靶点和策略。References:Xu F, Li M, Zhang Y, et al. RelB/ILF2–GM-CSF loop sustains tumor–MDSC communication in prostate cancer immunosuppression[J]. Cell Death & Disease, 2026.前往小宇宙评论区与主播互动

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1411-RelB/ILF2–GM-CSF轴在前列腺癌免疫抑制中的调控机制

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