1413-LSD1-GLS2轴调控胰腺癌亚型代谢重编程与化疗耐药研究 episode artwork

EPISODE · Aug 10, 2026 · 26 MIN

1413-LSD1-GLS2轴调控胰腺癌亚型代谢重编程与化疗耐药研究

from 聊聊Sci

这项研究揭示了LSD1-GLS2轴在胰腺导管腺癌(PDAC)化疗耐药中的双重作用机制。研究发现,抑制LSD1会根据肿瘤的代谢亚型产生截然不同的影响:它能增加RSK亚型(具有间充质特征和高氧化磷酸化水平)的化疗敏感性,却会导致KRAS亚型(具有上皮特征和线粒体功能障碍)产生耐药。这种亚型特异性的差异源于线粒体功能状态的不同,其中KRAS亚型由于存在严重的线粒体自噬缺陷,迫使谷氨酰胺通过还原羧化路径进行代谢。通过转录调控GLS2,LSD1充当了代谢开关,控制着不同亚型间的谷氨酰胺分解重构。该研究不仅确定了线粒体健康状况是决定化疗响应的关键因素,还为PDAC的精准治疗和亚型特异性给药方案提供了重要的理论依据。References:Wang Z, Huang Q, Zhao J, et al. LSD1-GLS2 axis drives subtype-specific chemoresistance in pancreatic cancer through glutaminolysis reprogramming[J]. Cell Death & Disease, 2026, 17(1): 649.前往小宇宙评论区与主播互动

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1413-LSD1-GLS2轴调控胰腺癌亚型代谢重编程与化疗耐药研究

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