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Theriogenology2011; 76(7); 1177-1186; doi: 10.1016/j.theriogenology.2011.06.023

Dissecting the molecular damage to stallion spermatozoa: the way to improve current cryopreservation protocols?

Abstract: We review recent developments in the technology of freezing stallion sperm, paying special attention to the molecular lesions that spermatozoa suffer during freezing and thawing, such as osmotic stress, oxidative damage, and apoptotic changes. We also discuss the applicability of colloidal centrifugation in stallion sperm cryobiology. Increased knowledge about the molecular injuries that occur during cryopreservation may lead to improved protective techniques and thus to further improvements in fertility in the current decade.
Copyright © 2011 Elsevier Inc. All rights reserved.
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Publication Date: 2011-08-10 PubMed ID: 21835453DOI: 10.1016/j.theriogenology.2011.06.023Google Scholar: Lookup
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Summary

This research summary has been generated with artificial intelligence and may contain errors and omissions. Refer to the original study to confirm details provided. Submit correction.

The research article reviews recent advances in the freezing of stallion sperm and the molecular damages it undergoes during the freezing and thawing process. The knowledge obtained may contribute to enhancing protective techniques and fertility improvements.

Understanding Molecular Damages in Sperm Cryopreservation

  • The research article puts a spotlight on the recent developments in technology regarding the freezing of stallion spermatozoa. The paper emphasizes the intricate molecular injuries that occur during the freezing and thawing process, such as osmotic stress, oxidative damage, and apoptotic changes, which ultimately compromise the viability of the sperm cells.
  • Osmotic stress in the context of sperm cryopreservation refers to the sudden change in cellular water balance during freezing and thawing. This imbalance disrupts homeostasis, leading to cellular shrinkage or swelling, and possibly cell death.
  • Oxidative damage arises from the overproduction of reactive oxygen species (ROS). Though necessary for sperm function, excessive ROS can damage cell structures, affecting a cell’s lipids, proteins, and DNA.
  • Apoptotic changes, or programmed cell death, also occur during cryopreservation. In this process, a series of biochemical events lead to characteristic cell changes and death, ultimately affecting sperm health.

Role of Colloidal Centrifugation in Sperm Cryobiology

  • The study also explores the applicability of colloidal centrifugation in the cryopreservation of stallion sperm. Colloidal centrifugation is a technique used to separate and purify spermatozoa based on their motility and morphology. This method can effectively isolate high-quality sperm cells, thereby contributing to more successful freezing and thawing cycles.

Significance and Future Implications of the Study

  • The authors argue that an in-depth understanding of molecular damage occurring during sperm cryopreservation may pave the way for improved protective techniques. These corrective measures would play a crucial role in improving sperm cell viability, contributing to better fertility outcomes.
  • The article contributes to a burgeoning pool of research aimed at improving current sperm cryopreservation protocols, thereby potentially advancing reproductive technologies in the current decade.

Cite This Article

APA
Peña FJ, García BM, Samper JC, Aparicio IM, Tapia JA, Ferrusola CO. (2011). Dissecting the molecular damage to stallion spermatozoa: the way to improve current cryopreservation protocols? Theriogenology, 76(7), 1177-1186. https://doi.org/10.1016/j.theriogenology.2011.06.023

Publication

Theriogenology
ISSN: 1879-3231
NlmUniqueID: 0421510
Country: United States
Language: English
Volume: 76
Issue: 7
Pages: 1177-1186

Researcher Affiliations

Peña, F J
  • Laboratory of Equine Reproduction and Equine Spermatology, Veterinary Teaching Hospital, University of Extremadura Cáceres, Spain. fjuanpvega@unex.es
García, B Macías
    Samper, J C
      Aparicio, I M
        Tapia, J A
          Ferrusola, C Ortega

            MeSH Terms

            • Animals
            • Apoptosis
            • Cryopreservation / methods
            • Cryopreservation / veterinary
            • Horses
            • Male
            • Osmotic Pressure
            • Oxidative Stress
            • Reactive Oxygen Species / metabolism
            • Spermatozoa

            Citations

            This article has been cited 16 times.
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            16. Ngcobo JN, Nedambale TL, Nephawe KA, Sithole SM, Chokoe TC, Ramukhithi FV. Dietary supplementing South African indigenous rams with flaxseed oil and ascorbic acid improves cryopreserved semen quality and in vitro fertility. Trop Anim Health Prod 2024 Jul 10;56(6):200.
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