Journal
FEBS LETTERS
Volume 582, Issue 17, Pages 2627-2636Publisher
WILEY
DOI: 10.1016/j.febslet.2008.06.040
Keywords
chronic unpredictable mild stress; metabolic profiling; GC/MS; multi-criteria assessment; multivariate statistics; amino acid
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Chronic stress is closely linked to clinical depression, which could be assessed by a chronic unpredictable mild stress (CUMS) animal model. We present here a GC/MS-based metabolic pro. ling approach to investigate neurochemical changes in the cerebral cortex, hippocampus, thalamus, and remaining brain tissues. Multi-criteria assessment for multivariate statistics could identify differential metabolites between the CUMS-model rats versus the healthy controls. This study demonstrates that the significantly perturbed metabolites mainly involving amino acids play an indispensable role in regulating neural activity in the brain. Therefore, results obtained from such metabolic pro. ling strategy potentially provide a unique perspective on molecular mechanisms of chronic stress. (C) 2008 Federation of European Biochemical Societies. Published by Elsevier B. V. All rights reserved.
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