632-丙酮酸诱导STAT1丙酮酰化抑制抗病毒免疫 episode artwork

EPISODE · Mar 13, 2026 · 21 MIN

632-丙酮酸诱导STAT1丙酮酰化抑制抗病毒免疫

from 聊聊Sci

这项研究揭示了糖代谢产物丙酮酸在免疫调节中的一种全新非代谢功能。研究发现,在高血糖环境下,增强的糖酵解过程会导致STAT1蛋白在Lys201位点发生丙酮酰化修饰。这种新发现的蛋白质翻译后修饰会阻断STAT1与STAT2的结合,进而抑制I型干扰素(IFN-I)信号通路的激活。实验证明,通过基因手段抑制该修饰能显著提升小鼠的抗病毒免疫力。该成果不仅解释了高血糖患者为何更易受到病毒感染,还为改善糖尿病患者及干扰素治疗不敏感人群的临床策略提供了理论依据。References: Zuo Y, Wang Q, Tian W, et al. Pyruvate is a natural suppressor of interferon signaling by inducing STAT1 protein pyruvylation[J]. Cell, 2026.前往小宇宙评论区与主播互动

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632-丙酮酸诱导STAT1丙酮酰化抑制抗病毒免疫

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