1187-线粒体与核孔复核体的直接相互作用

这项研究揭示了线粒体与核孔复合物（NPC）之间存在一种此前未被发现的直接物理相互作用。通过蛋白质组学筛选和超分辨率成像，科学家确定了线粒体外膜蛋白 VDAC1 与核孔丝蛋白 RANBP2 是实现这一连接的关键分子。研究表明，这种空间上的高度接近构建了一个代谢通道，能够将线粒体产生的ATP和磷酸肌酸直接输送至细胞核，从而维持核内的能量稳态。实验证明，如果破坏这种连接，会导致核能供应不足，进而干扰组蛋白修饰、基因转录以及细胞分化过程。在小鼠模型中，该相互作用的缺失会导致严重的胚胎发育缺陷，特别是在心脏和神经系统的分化上。总之，该发现阐明了线粒体如何通过与核孔直接“对话”来精确调控细胞的能量分配与发育命运。References:* Menendez-Montes I, Marin-Vicente C, Mukherjee S, Ahmed MS, Gomez MJ, Anene-Nzelu ...去小宇宙查看完整单集简介前往小宇宙评论区与主播互动

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This episode was published on June 26, 2026.

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这项研究揭示了线粒体与核孔复合物（NPC）之间存在一种此前未被发现的直接物理相互作用。通过蛋白质组学筛选和超分辨率成像，科学家确定了线粒体外膜蛋白 VDAC1 与核孔丝蛋白 RANBP2...

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