352. DDHD2调控神经元脂肪酸流与功能 episode artwork

EPISODE · Oct 13, 2025 · 21 MIN

352. DDHD2调控神经元脂肪酸流与功能

from 知为谁 · host 知为谁

这项研究出自《自然—代谢》,挑战了神经元主要依赖葡萄糖获取能量的传统观点。作者发现DDHD2这种磷脂酶释放饱和游离脂肪酸,特别是肉豆蔻酸、棕榈酸和硬脂酸,这些脂肪酸通过线粒体β-氧化为神经元活动提供约20%的基础能量。缺乏DDHD2会损害线粒体呼吸和三磷酸腺苷(ATP)合成,导致神经系统功能缺陷,类似人类的遗传性痉挛性截瘫54型(HSP54)。然而,用辅酶A(CoA)偶联的脂肪酸进行补充能够有效恢复神经元的能量代谢、蛋白质稳态和突触功能,这为治疗HSP54提供了一个潜在的策略,同时强调了脂肪酸代谢在神经功能中的关键作用。内容来源:https://www.nature.com/articles/s42255-025-01367-x

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352. DDHD2调控神经元脂肪酸流与功能

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