Preprint Review Version 1 This version is not peer-reviewed

Melatonin Scavenger Properties against Oxidative and Nitrosative Stress: Impact on In Vitro Embryo Production in Mammals

Version 1 : Received: 24 March 2017 / Approved: 27 March 2017 / Online: 27 March 2017 (10:04:31 CEST)

A peer-reviewed article of this Preprint also exists.

Loren, P.; Sánchez, R.; Arias, M.-E.; Felmer, R.; Risopatrón, J.; Cheuquemán, C. Melatonin Scavenger Properties against Oxidative and Nitrosative Stress: Impact on Gamete Handling and In Vitro Embryo Production in Humans and Other Mammals. Int. J. Mol. Sci. 2017, 18, 1119. Loren, P.; Sánchez, R.; Arias, M.-E.; Felmer, R.; Risopatrón, J.; Cheuquemán, C. Melatonin Scavenger Properties against Oxidative and Nitrosative Stress: Impact on Gamete Handling and In Vitro Embryo Production in Humans and Other Mammals. Int. J. Mol. Sci. 2017, 18, 1119.

Journal reference: Int. J. Mol. Sci. 2017, 18, 1119
DOI: 10.3390/ijms18061119

Abstract

Oxidative and nitrosative stress are a common problem when manipulating gametes in vitro. In vitro development in mammalian embryos is highly affected by culture conditions, especially by reactive oxygen species (ROS) and reactive nitrogen species (RNS), because its absence or over production causes embryo arrest and changes in gene expression. Melatonin in gamete co-incubation during IVF has deleterious or positive effects depending on the concentration used in culture medium, demonstrating the delicate balance that must exist between antioxidant and pro-oxidant activity. Further research is needed to better understand the possible impact of melatonin on the different IVP steps in domestic animals, especially in seasonal breeds where this neuro-hormone system highly regulates its reproduction physiology.

Subject Areas

melatonin; antioxidants; RNS; ROS; embryo development; DNA integrity; DNA oxidation; gene expression

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