alexa Impact of Maternal Over-nutrition during Pregnancy on Maternal Oxidative Stress and Fetal Skeletal/Visceral Anomalies of the Rats
ISSN: 2161-0509

Journal of Nutritional Disorders & Therapy
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Research Article

Impact of Maternal Over-nutrition during Pregnancy on Maternal Oxidative Stress and Fetal Skeletal/Visceral Anomalies of the Rats

Débora Cristina Damasceno1*, Bruna Dallaqua1, Isabela Lovizutto Iessi1, Gustavo Tadeu Volpato1,2 and Kleber Eduardo Campos1,2

1Laboratory of Experimental Research in Gynecology and Obstetrics, Botucatu Medical School, Univ Estadual Paulista_UNESP, São Paulo State, Brazil

2Institute of Biological and Health Sciences, University Center of Araguaia, University of Mato Grosso (UFMT), Mato Grosso State, Brazil

*Corresponding Author:
Débora Cristina Damasceno
Laboratory of Experimental Research in Gynecology
and Obstetrics, Botucatu Medical School, Univ Estadual
Paulista_UNESP, São Paulo State, Brazil
Tel: +55 14 38801631
E-mail: [email protected]

Received date: February 04, 2016; Accepted date: March 02, 2016; Published date: March 09, 2016

Citation: Damasceno DC, Dallaqua B, Iessi IL, Volpato GT, Campos KE (2016) Impact of Maternal Over-nutrition during Pregnancy on Maternal Oxidative Stress and Fetal Skeletal/Visceral Anomalies of the Rats. J Nutr Disorders Ther 6:185. doi:10.4172/2161-0509.1000185

Copyright: © 2016 Damasceno DC, 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.

Abstract

The maternal food supply, nutrition and metabolism leads to lifelong consequences for the health of the infants. Experimental models have been developed to explore these repercussions. We intended (1) to verify the influence of a maternal overnutrition on the maternal oxidative stress in pregnant rat, (2) to evaluate if the maternal oxidative stress interferes on the fetal growth, and (3) to analyze external, skeletal and visceral fetal anomalies. On day 0 of pregnancy, the rats were randomly distributed into two groups (n=21 rats/group): Control group - fed regular diet; Overnutrition group – fed high caloric diet, which was made by mixing the supplemented ingredients to a previously triturated Purina Chow. On day 21 of pregnancy, the rats were euthanized to evaluate reproductive outcomes and fetal development, and to obtain blood samples for maternal metabolic parameters. The fetal weights were significantly reduced after overnutrition treatment during pregnancy. The overnoutrished rats presented higher malonaldehyde-MDA and thiol group concentrations and superoxide dismutase (SOD) activity whereas glutathione peroxidase (GSH-Px) activity was lower. The fetuses from overnutrition group presented higher frequency of skeletal and visceral anomalies. Thus, the overnutrition caused metabolic changes in the maternal organism, particularly in oxidative metabolism, which impaired the fetal growth and development, showing harmful effect of a hypercaloric diet during pregnancy.

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