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Biology of reproduction1998; 59(2); 309-313; doi: 10.1095/biolreprod59.2.309

Prostasome-like particles in stallion semen.

Abstract: Human semen contains membranous vesicles called prostasomes. They are secreted by the prostate gland and contain large amounts of cholesterol, sphingomyelin, and Ca2+. Prostasomes enhance the motility of ejaculated spermatozoa and are involved in a number of additional biological functions. No prostasome-like vesicles have been described in horse semen up to now. We have demonstrated the presence of prostasome-like vesicles in the equine semen and characterized them as to size, morphology, and lipid composition; we have found that they are similar to human prostasomes in many respects. We propose that these vesicles might be important for the fecundity of horse semen. This is of interest since the success of artificial insemination is limited by the fact that stallion sperm barely survive cryopreservation.
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Publication Date: 1998-08-01 PubMed ID: 9687300DOI: 10.1095/biolreprod59.2.309Google Scholar: Lookup
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  • Journal Article
  • Research Support
  • Non-U.S. Gov't

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.

This research article discusses the discovery of prostasome-like particles in stallion semen, akin to those previously known in human semen, which might boost equine fertility, potentially impacting the success rate of artificial insemination procedures due to improved preservation of sperm health.

Introduction

  • Prostasomes are membranous vesicles found in human semen. They are secreted by the prostate gland and contain high amounts of cholesterol, sphingomyelin, and Ca2+. They are crucial for enhancing the movement of ejaculated sperm and contribute to other biological processes.
  • Before this study, prostasome-like vesicles were not reported in horse semen.

Findings

  • The researchers have identified and characterized prostasome-like vesicles in stallion semen in terms of their size, morphology, and lipid composition.
  • The vesicles discovered in equine semen are quite similar to human prostasomes in many ways.

Implications

  • Given the functions of these vesicles, the researchers suggest that they might be significant for the fertility of stallion semen.
  • This discovery could impact the world of artificial insemination. The process has been limited by the lack of successful cryopreservation of stallion sperm, which these vesicles could potentially improve, thus increasing the success rate of artificial insemination procedures.

Cite This Article

APA
Arienti G, Carlini E, De Cosmo AM, Di Profio P, Palmerini CA. (1998). Prostasome-like particles in stallion semen. Biol Reprod, 59(2), 309-313. https://doi.org/10.1095/biolreprod59.2.309

Publication

Biology of reproduction
ISSN: 0006-3363
NlmUniqueID: 0207224
Country: United States
Language: English
Volume: 59
Issue: 2
Pages: 309-313

Researcher Affiliations

Arienti, G
  • Istituto di Biochimica e Chimica Medica, Università di Perugia, 06127 Perugia, Italy. arienti@unipg.it
Carlini, E
    De Cosmo, A M
      Di Profio, P
        Palmerini, C A

          MeSH Terms

          • Animals
          • Horses / physiology
          • Humans
          • In Vitro Techniques
          • Lipid Metabolism
          • Male
          • Microscopy, Electron
          • Semen / physiology
          • Seminal Vesicles / metabolism
          • Seminal Vesicles / physiology
          • Seminal Vesicles / ultrastructure
          • Subcellular Fractions / physiology
          • Subcellular Fractions / ultrastructure

          Citations

          This article has been cited 15 times.
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