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Current Advances in Bovine In Vitro Maturation and Embryo Production Using Different Antioxidants: A Review.

Roksana Naspinska1, Maria Helena Moreira da Silva1, Fernando Moreira da Silva1

  • 1Animal Reproduction, Centro de Investigação e Tecnologia Agrária dos Açores IITA-A, Faculty of Agricultural and Environmental Sciences, University of the Azores, 9701-851 Angra do Heroísmo, Portugal.

Journal of Developmental Biology
|September 27, 2023
PubMed
Summary

Antioxidants can improve bovine oocyte maturation and embryo production during in vitro maturation (IVM). This review summarizes recent research on how antioxidants combat oxidative stress in IVM, enhancing oocyte quality and developmental potential.

Keywords:
antioxidantsbovine oocytesembryo productionin vitro maturationoxidative stress

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Area of Science:

  • Veterinary Science
  • Reproductive Biology
  • Biochemistry

Background:

  • In vitro maturation (IVM) is crucial for in vitro embryo production (IVEP) but often yields suboptimal oocyte quality.
  • Oxidative stress (OS), caused by reactive oxygen species (ROS) in culture conditions, is a significant factor impacting IVM success.
  • Antioxidants are recognized as a key strategy for mitigating OS during oocyte maturation.

Purpose of the Study:

  • To systematically review scientific research from the past five years.
  • To evaluate the effects of various antioxidants on bovine oocyte maturation.
  • To assess the impact of antioxidants on subsequent embryo production in vitro.

Main Methods:

  • Systematic literature review of studies published in the last five years.
  • Analysis of research investigating antioxidant supplementation during bovine IVM.
  • Evaluation of outcomes related to oocyte maturation rates and embryo development.

Main Results:

  • Multiple antioxidants have demonstrated efficacy in reducing OS during bovine IVM.
  • Supplementation with specific antioxidants significantly improved nuclear and cytoplasmic maturation of oocytes.
  • Enhanced oocyte quality positively influenced embryo development rates and quality.

Conclusions:

  • Antioxidant supplementation is a promising strategy to improve the efficiency and outcomes of bovine IVM.
  • Targeted use of antioxidants can overcome OS-related limitations in current IVM protocols.
  • Further research can optimize antioxidant strategies for enhanced bovine reproductive technologies.