Oxidative Stress and Antioxidants: Impact on Reproduction

A special issue of Life (ISSN 2075-1729). This special issue belongs to the section "Reproductive and Developmental Biology".

Deadline for manuscript submissions: closed (11 November 2021) | Viewed by 3600

Special Issue Editors


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Guest Editor

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Guest Editor
Department of Veterinary Medicine and Animal Production, University of Naples Federico II, Naples, Italy
Interests: veterinary phisiology; animal welfare; oxidative stress; human-animal relationship; reproductive behavior

E-Mail Website
Guest Editor
Department of Veterinary Medicine and Animal Production, University of Naples Federico II, Naples, Italy
Interests: veterinary reproduction; veterinary neonatology; reproductive biotechnology; oxidative stress and antioxidants in reproduction

Special Issue Information

Dear Colleagues,

The role of oxidative stress in reproductive systems is still matter of scientific debate. Oxidative stress is a state characterized by an impaired modulation of free radicals that cause many events related to infertility both in humans and animals. Meanwhile, the presence of oxidant species is a prerequisite for various metabolic and physiological functions (e.g., mitochondrial respiration, oxidase catalyzed reactions), as long as low free radical concentrations are maintained. Mammals have evolved antioxidant defense systems, composed either by endogenous or exogenous compounds, which play a role in preventing free radical generation, inactivating oxidants and limiting the deleterious effects of oxidants by allowing repair of oxidative damage. It seems that a deficiency in any part of the antioxidant defense system can cause a decrease in total antioxidant capability. The manipulation of the antioxidant mechanisms has been proposed as strategy to reduce oxidative stress and thereby to improve in vivo or in vitro fertilization success rates.

This Special Issue of Life aims to collect the most significant and recent research regarding the effect of oxidative stress in reproduction and the use of antioxidants (e.g., diet, extender, medium, gamete and blastocyst cooling, gamete and blastocyst cryopreservation) to achieve fertilization and pregnancy. Authors are invited to submit relevant research studies, review articles, and case reports about the physiological roles of free radicals, as well as their negative effects on the reproductive processes and about the different strategies adopted to counteract free radicals by specific antioxidants.

Dr. Francesca Ciani
Dr. Danila d’Angelo
Dr. Chiara Del Prete
Guest Editors

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Published Papers (1 paper)

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Research

13 pages, 1494 KiB  
Article
Composition of Stallion Seminal Plasma and Its Impact on Oxidative Stress Markers and Spermatozoa Quality
by Filip Tirpák, Marko Halo, Jr., Katarína Tokárová, Lukasz J. Binkowski, Jaromír Vašíček, Andrea Svoradová, Martyna Błaszczyk-Altman, Anton Kováčik, Eva Tvrdá, Peter Chrenek, Norbert Lukáč and Peter Massányi
Life 2021, 11(11), 1238; https://doi.org/10.3390/life11111238 - 16 Nov 2021
Cited by 18 | Viewed by 2967
Abstract
The composition of seminal plasma of individual sires varies and so does the fertilizing ability. Micro and macro elements along with seminal enzymes, hormones, proteins, and lipids contained in seminal plasma are essential for the proper physiological function of spermatozoa. However, elevated levels [...] Read more.
The composition of seminal plasma of individual sires varies and so does the fertilizing ability. Micro and macro elements along with seminal enzymes, hormones, proteins, and lipids contained in seminal plasma are essential for the proper physiological function of spermatozoa. However, elevated levels against the normal physiological values, especially in the case of trace metals, result in the production of reactive oxygen species. The deficiency of antioxidants in the seminal plasma that could scavenge free radicals causes an impairment of spermatozoa quality. Ejaculates were obtained from 19 stallions. The fresh semen was analyzed to evaluate qualitative parameters of spermatozoa in terms of the motility, viability, and integrity of DNA. Separated seminal plasma underwent the assessment of the chemical and biochemical composition and RedOx markers. Based on the obtained concentrations of individual chemical elements, the correlation analysis suggested a negative impact of Cu in seminal plasma on the SOD, GPx, and LPO. Contrary, positive correlation was detected between FRAP and motility features. While Cu negatively correlated with sperm motion parameters, the adverse effect on viability was suggested for Cd. Our data suggest that seminal plasma has a potential due to its availability to become the potential biomarker of the reproductive health of farm animals. Full article
(This article belongs to the Special Issue Oxidative Stress and Antioxidants: Impact on Reproduction)
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