Reduction of neuronal activity mediated by blood-vessel regression in the adult brain

  • The brain vasculature supplies neurons with glucose and oxygen, but little is known about how vascular plasticity contributes to brain function. Using longitudinal in vivo imaging, we report that a substantial proportion of blood vessels in the adult mouse brain sporadically occlude and regress. Their regression proceeds through sequential stages of blood-flow occlusion, endothelial cell collapse, relocation or loss of pericytes, and retraction of glial endfeet. Regressing vessels are found to be widespread in mouse, monkey and human brains. We further reveal that blood vessel regression cause a reduction of neuronal activity due to a dysfunction in mitochondrial metabolism and glutamate production. Our results elucidate the mechanism of vessel regression and its role in neuronal function in the adult brain.

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Author:Xiaofei Gao, Xing-jun Chen, Meng Ye, Jun-Liszt Li, Nannan Lu, Di Yao, Bo Ci, Fei Chen, Lijun Zheng, Yating Yi, Shiwen Zhang, Zhanying Bi, Xinwei Gao, Yuanlei Yue, Tingbo Li, Jiafu Lin, Ying-Chao Shi, Kaibin Shi, Nicholas E. Propson, Yubin Huang, Katherine Poinsatte, Zhaohuan Zhang, Dale B. Bosco, Shi-bing Yang, Ralf H. Adams, Volkhard Lindner, Fen Huang, Long-Jun Wu, Hui Zheng, Simon Hippenmeyer, Ann M. Stowe, Bo Peng, Marta Margeta, Qingchun Guo, Xiaoqun Wang, Qiang Liu, Jakob Körbelin, Martin TrepelGND, Hui Lu, Guoen Cai, Bo O. Zhou, Bo Shen, Ying-mei Lu, Wenzhi Sun, Jie-Min Jia, Feng Han, Hu Zhao, Robert M. Bachoo, Woo-ping Ge
URN:urn:nbn:de:bvb:384-opus4-1233451
Frontdoor URLhttps://opus.bibliothek.uni-augsburg.de/opus4/123345
ISSN:2041-1723OPAC
Parent Title (English):Nature Communications
Publisher:Springer Science and Business Media LLC
Type:Article
Language:English
Year of first Publication:2025
Publishing Institution:Universität Augsburg
Release Date:2025/07/21
Volume:16
Issue:1
First Page:5840
DOI:https://doi.org/10.1038/s41467-025-60308-0
Institutes:Medizinische Fakultät
Medizinische Fakultät / Universitätsklinikum
Medizinische Fakultät / Lehrstuhl für Innere Medizin mit Schwerpunkt Hämatologie und Onkologie
Dewey Decimal Classification:6 Technik, Medizin, angewandte Wissenschaften / 61 Medizin und Gesundheit / 610 Medizin und Gesundheit
Licence (German):CC-BY-NC-ND 4.0: Creative Commons: Namensnennung - Nicht kommerziell - Keine Bearbeitung (mit Print on Demand)