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Oxidative stress and metabolic markers in pre- and postnatal polycystic ovary syndrome rat protocols

Authors Serrano Mujica L, Bridi A, Della Méa R, Rissi VB, Guarda N, Moresco RN, Premaor MO, Antoniazzi AQ, Gonçalves PBD, Comim FV

Received 19 December 2017

Accepted for publication 20 February 2018

Published 15 May 2018 Volume 2018:11 Pages 193—202


Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Colin Mak

Peer reviewer comments 2

Editor who approved publication: Dr Ning Quan

Lady Serrano Mujica,1 Alessandra Bridi,1,2 Ricardo Della Méa,1 Vitor Braga Rissi,1 Naiara Guarda,3 Rafael Noal Moresco,3 Melissa Orlandin Premaor,4 Alfredo Quites Antoniazzi,1 Paulo Bayard Dias Gonçalves,1 Fabio Vasconcellos Comim1,4

1Laboratory of Biotechnology and Animal Reproduction, BioRep, Federal University of Santa Maria, Santa Maria, Rio Grande do Sul, 2Department of Veterinary Medicine, University of São Paulo, São Paulo, 3Laboratory of Clinical Biochemistry, Department of Clinical and Toxicological Analysis, 4Department of Clinical Medicine, Federal University of Santa Maria, Santa Maria, Rio Grande do Sul, Brazil

Background: Several studies have described an enhanced inflammatory status and oxidative stress balance disruption in women with polycystic ovary syndrome (PCOS). However, there is scarce information about redox markers in the blood of androgenized animal models. Here, we evaluated the serum/plasma oxidative stress marker and metabolic parameter characteristics of prenatal (PreN) and postnatal (PostN) androgenized rat models of PCOS.
Materials and methods: For PreN androgenization (n=8), 2.5 mg of testosterone propionate was subcutaneously administered to dams at embryonic days 16, 17, and 18, whereas PostN androgenization (n=7) was accomplished by subcutaneously injecting 1.25 mg of testosterone propionate to animals at PostN day 5. A unique control group (n=8) was constituted for comparison.
Results: Our results indicate that PostN group rats exhibited particular modifications in the oxidative stress marker, an increased plasma ferric-reducing ability of plasma, and an increased antioxidant capacity reflected by higher albumin serum levels. PostN animals also presented increased total cholesterol and triglyceride–glucose levels, suggesting severe metabolic disarrangement.
Conclusion: Study findings indicate that changes in oxidative stress could be promoted by testosterone propionate exposure after birth, which is likely associated with anovulation and/or lipid disarrangement.

Keywords: animal models of PCOS, oxidative stress, prenatal, postnatal

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