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Aneesh Kumar, A. and Gopika , Satheesh and Mahesh, Chandran and Priya R., Prabhu and Kartha, C. C. and Abdul , Jaleel (2020) Plasma leptin level mirrors metabolome alterations in young adults. Metabolomics, 16 (87). ISSN 1573-3890

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Abstract

Introduction Leptin is known to regulate pathways of energy metabolism, reproduction, and control appetite. Whether plasma leptin levels reflect changes in metabolites of these pathways is unknown. Objectives We aimed to find whether there is an association between leptin levels and levels of metabolites of energy and hormone metabolism. Methods We performed an untargeted metabolomics analysis of plasma from 110 healthy adults (men: women = 1:1; aged 18–40 years), using liquid chromatography-tandem mass spectrometry. Blood samples were collected from all the study subjects in the fasting state. Clinical features and markers of obesity and Type 2 diabetes mellitus (T2DM) were assessed in all. The association between levels of metabolites and clinical and biochemical parameters was identified using the multivariable-adjusted linear regression model and PLS-DA analysis. Results The leptin level was found to have a significant association with a substantial number of metabolites in women and men. Leptin level was positively associated with glycocholic acid and arachidic acid, metabolites related to energy metabolisms, pregnanediol-3-glucuronide, a metabolite of progesterone metabolism, and quercetin 3′-sulfate, a diet-derived metabolite. Leptin level was negatively associated with ponasteroside A and barringtogenol C levels. Leptin level was positively correlated with adiponectin and negatively with total calorie intake and levels of triglyceride and very-low-density lipoprotein. Leptin levels were associated with lipid and sex hormone metabolism in women, while metabolites involved in amino acid metabolism were correlated to leptin in men. Conclusion Our study indicates that leptin level reflects metabolome alterations and hence could be a useful marker to detect early changes in energy and hormone metabolisms.

Item Type: Article
Uncontrolled Keywords: Leptin · Energy metabolism · Hormone metabolism · Untargeted metabolomics
Subjects: Cardiovascular Diseases And Diabetes Biology
Depositing User: Rgcb Library
Date Deposited: 13 Jan 2021 08:41
Last Modified: 13 Jan 2021 08:42
URI: http://rgcb.sciencecentral.in/id/eprint/1010

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