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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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    Abstract - Issue May 2017, 38 (3)                                     Back


nstantaneous and historical temperature effects on a-pinene

Identification of metabolomic changes before and after

exercise regimen in stress induced rats

 

R. Sowndarya and V.A. Doss*

Department of Biochemistry, PSG College of Arts & Science, Coimbatore-641 014, India

*Corresponding Author E-mail: victordoss64@gmail.com

 

 

 

 

Key words

Chronic Unpredictable Mild Stress,

Forced swim test,

Metabolomic changes,

Serum level

 

 

Publication Data

Paper received : 09.09.2016

Revised received : 19.01.2017

Re-revised received : 20.02.2017

Accepted : 08.03.2017

 

Abstract

Aim: To identify the metabolomic changes before and after exercise regimen in depression induced animal models.

 

Methodology: Severity of depression was measured by forced swim test (FST) and sucrose consumption test (SCT) and their statistical significance was obtained by ANOVA followed by post hoc test. Swimming protocol was followed for 4 weeks of exercise treatment. Serum obtained from depressed and exercise treated rats were used for the metabolite analysis by GCMS. Subsequent statistical analysis (ANOVA followed by post hoc test) revealed significant metabolic changes. 

 

Results: About 20 metabolites were found to be differentially expressed in control, depressed and exercise treated groups. Serum levels of glycine and serine were significantly increased in depressed groups, whereas the levels of leucine, proline, valine (BCAs), glucose, fructose, galactose, mannose, xylitol myo-inositol, lactic acid, oleic acid, palmitic acid, stearic acid were significantly decreased when compared to control group (Group I). After 4 weeks of swimming exercise regimen procedure, lower levels of glycine, serine and higher levels of sugars, myo-inositol, oleic acid, palmitic acid, stearic acid and BCAs were found in the exercised groups (Group III) when compared to the depressed groups (Group II).      

 

Interpretation: These observations suggested that the depressed state may be associated with the changes in the level of few metabolites involved in amino acid, fatty acid, glucose and energy metabolisms, which may get reverted after chronic exercise.

 

 

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