Yilong Wang, Lebo Zhou, Nan Wang, Baoshan Qiu, Di Yao, Jie Yu, Miaoqing He, Tong Li, Yufeng Xie, Xiaoqian Yu, Zhanying Bi, Xiangli Sun, Xunming Ji, Zhen Li, Dapeng Mo, Woo-Ping Ge
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Comprehensive characterization of metabolic consumption and production by the human brain.
Metabolism is vital for brain function. However, a systematic investigation to understand the metabolic exchange between the human brain and circulatory system has been lacking. Here, we compared metabolomes and lipidomes of blood samples from the cerebral venous sinus and femoral artery to profile the brain's uptake and release of metabolites and lipids (1,365 metabolites and 140 lipids). We observed a high net uptake of glucose, taurine, and hypoxanthine and identified glutamine and pyruvate as significantly released metabolites by the brain. Triacylglycerols are the most prominent class of lipid consumed by the brain. The brain with cerebral venous sinus stenosis (CVSS) consumed more glucose and lactate and released more glucose metabolism byproducts than the brain with cerebral venous sinus thrombosis (CVST). Our data also showed age-related alterations in the uptake and release of metabolites. These results provide a comprehensive view of metabolic consumption and production processes within the human brain.
期刊介绍：
Established as a highly influential journal in neuroscience, Neuron is widely relied upon in the field. The editors adopt interdisciplinary strategies, integrating biophysical, cellular, developmental, and molecular approaches alongside a systems approach to sensory, motor, and higher-order cognitive functions. Serving as a premier intellectual forum, Neuron holds a prominent position in the entire neuroscience community.
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