alexa Protective Effect of Soy Isoflavones (from Glycine max)
ISSN: 2161-1009

Biochemistry & Analytical Biochemistry
Open Access

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Research Article

Protective Effect of Soy Isoflavones (from Glycine max) on Adipose Tissue Oxidative Stress and Inflammatory Response in an Experimental Model of Post-menopausal Obesity: The Molecular Mechanisms

Sankar Panneerselvam1,2, Rajaa Muthu Packirisamy1, Zachariah Bobby1* and Magadi Gopalakrishna Sridhar1

1Department of Biochemistry, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India

2Molecular and Nanomedicine Research Unit, Centre for Nanoscience and Nanotechnology, Sathyabama University, Jeppiaar Nagar, Chennai, India

*Corresponding Author:
Zachariah Bobby
Professor and Head of Biochemistry
JIPMER, Puducherry-605 006, India
Tel: + 91 8056448984
E-mail: [email protected]

Received February 23, 2016; Accepted April 18, 2016; Published April 21, 2016

Citation: Panneerselvam S, Packirisamy RM, Bobby Z, Sridhar MG (2016) Protective Effect of Soy Isoflavones (from Glycine max) on Adipose Tissue Oxidative Stress and Inflammatory Response in an Experimental Model of Post-menopausal Obesity: The Molecular Mechanisms. Biochem Anal Biochem 5:266. doi:10.4172/2161-1009.1000266

Copyright: © 2016 Panneerselvam S, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



Obesity, adiposity mediated oxidative stress and inflammatory response has been identified to have an etiological origin for most of the complications associated with ageing populace. However, there are limited studies addressing the metabolic role of adipose tissue in the pathobiology of postmenopausal complications with respect to oxidative stress and inflammation. Numerous studies have reported the beneficial effects of soy isoflavones on postmenopausal complications; however, its efficacy these complications in postmenopausal model of obesity remain unclear. In the present study we found that the both ovariectomy and high fat diet (30 per cent fat) in isolation and in combination developed adipose tissue oxidative stress as evidenced by the reduced level of total antioxidant status (TAS) in association with elevated levels of adipose tissue malondialdehyde (MDA) and MDA/TAS ratio. These rats also displayed with inflammation as showed by increased levels of plasma tumor necrosis factor alpha (TNFα) and high sensitive C – reactive protein (hsCRP). The expression of adipose tissue inflammatory proteins; cyclo-oxygenase 2 (COX2), monocyte chemo attractant protein (MCP1) and protein kinase C alpha (PKCα) were heightened in response to both ovariectomy and high fat diet. All these metabolic changes were further augmented when ovariectomy was followed by high fat diet. This suggests that there was a synergism between the postmenopausal state and intake of fat rich diet in the development of adipose tissue oxidative stress and inflammatory response. Treatment with soy isoflavones significantly inhibited these metabolic changes improved adipose tissue oxidative stress and inflammatory response suggesting the use of this natural phytoestrogen as an anti-oxidant and anti-inflammatory agent for relieving metabolic consequences associated with postmenopausal women.


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