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神经元通过摄取谷氨酸来维持存活。

Neurons eat glutamate to stay alive.

作者信息

Fendt Sarah-Maria, Verstreken Patrik

机构信息

VIB Center for Cancer Biology, Katholieke Universiteit Leuven, 3000 Leuven, Belgium.

Department of Oncology, Katholieke Universiteit Leuven, 3000 Leuven, Belgium.

出版信息

J Cell Biol. 2017 Apr 3;216(4):863-865. doi: 10.1083/jcb.201702003. Epub 2017 Mar 15.

DOI:10.1083/jcb.201702003
PMID:28298409
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5379959/
Abstract

Neurons are thought to primarily rely on glucose to fuel mitochondrial metabolism. In this issue, Divakaruni et al. (2017. https://doi.org/10.1083/jcb.201612067) show that neurons are also happy to use glutamate. When neurons use this neurotransmitter, its concentration drops, thus protecting against glutamate-induced excitotoxic stress.

摘要

神经元被认为主要依赖葡萄糖为线粒体代谢提供能量。在本期杂志中,迪瓦卡鲁尼等人(2017年。https://doi.org/10.1083/jcb.201612067)表明,神经元也乐于利用谷氨酸。当神经元使用这种神经递质时,其浓度会下降,从而防止谷氨酸诱导的兴奋性毒性应激。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/95a3/5379959/d86211b5f4e6/JCB_201702003_Fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/95a3/5379959/d86211b5f4e6/JCB_201702003_Fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/95a3/5379959/d86211b5f4e6/JCB_201702003_Fig1.jpg

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GLUT4 Mobilization Supports Energetic Demands of Active Synapses.葡萄糖转运蛋白4(GLUT4)的转运可满足活跃突触的能量需求。
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