The Brain Metabolome of Male Rats across the Lifespan

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The Brain Metabolome of Male Rats across the Lifespan

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Title: The Brain Metabolome of Male Rats across the Lifespan
Author: Zheng, Xiaojiao; Chen, Tianlu; Zhao, Aihua; Wang, Xiaoyan; Xie, Guoxiang; Huang, Fengjie; Liu, Jiajian; Zhao, Qing; Wang, Shouli; Wang, Chongchong; Zhou, Mingmei; Panee, Jun; He, Zhigang; Jia, Wei

Note: Order does not necessarily reflect citation order of authors.

Citation: Zheng, X., T. Chen, A. Zhao, X. Wang, G. Xie, F. Huang, J. Liu, et al. 2016. “The Brain Metabolome of Male Rats across the Lifespan.” Scientific Reports 6 (1): 24125. doi:10.1038/srep24125. http://dx.doi.org/10.1038/srep24125.
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Abstract: Comprehensive and accurate characterization of brain metabolome is fundamental to brain science, but has been hindered by technical limitations. We profiled the brain metabolome in male Wistar rats at different ages (day 1 to week 111) using high-sensitivity and high-resolution mass spectrometry. Totally 380 metabolites were identified and 232 of them were quantitated. Compared with anatomical regions, age had a greater effect on variations in the brain metabolome. Lipids, fatty acids and amino acids accounted for the largest proportions of the brain metabolome, and their concentrations varied across the lifespan. The levels of polyunsaturated fatty acids were higher in infancy (week 1 to week 3) compared with later ages, and the ratio of omega-6 to omega-3 fatty acids increased in the aged brain (week 56 to week 111). Importantly, a panel of 20 bile acids were quantitatively measured, most of which have not previously been documented in the brain metabolome. This study extends the breadth of the mammalian brain metabolome as well as our knowledge of functional brain development, both of which are critically important to move the brain science forward.
Published Version: doi:10.1038/srep24125
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4827083/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:26859913
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