1426-YTHDF3抑制ISG免疫反应促进人乳头瘤病毒致癌机制研究 episode artwork

EPISODE · Aug 13, 2026 · 17 MIN

1426-YTHDF3抑制ISG免疫反应促进人乳头瘤病毒致癌机制研究

from 聊聊Sci

这项研究揭示了m6A阅读蛋白YTHDF3在人乳头瘤病毒(HPV)引起的宫颈癌发展中的关键驱动作用。研究人员发现,YTHDF3通过稳定STAT3的mRNA并提高其翻译效率,进而抑制了I型干扰素刺激基因(ISG)和IRF7的表达。这种机制不仅削弱了宿主的抗病毒免疫,导致HPV癌基因E6和E7的持续表达,还构建了一个包含Tregs和M2巨噬细胞的免疫抑制性肿瘤微环境。实验证明,敲除YTHDF3能够重新激活免疫反应并抑制病毒整合及肿瘤生长。因此,靶向YTHDF3/STAT3/IRF7轴被认为是一种具有潜力的宫颈癌治疗新策略。References:Li L, Lin D, Ao K, et al. YTHDF3 suppresses interferon-stimulated gene (ISG)-dependent antitumor immunity and promotes HPV carcinogenesis in cervical cancer[J]. Cell Death & Disease, 2025, 17(1): 60.前往小宇宙评论区与主播互动

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1426-YTHDF3抑制ISG免疫反应促进人乳头瘤病毒致癌机制研究

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