Evidence map›Paper›PMID 40424048›Full record

ArticleReproduction (Cambridge, England)2025

Male reproductive tract extracellular vesicles display region-specific heterogeneity in mice.

Vipul Batra, Hannah L Morgan, Katie K Choi, David Onion, Nicola Croxall, Kenton P Arkill, James Hallwood, Victoria James, Adam J Watkins

Abstract read
In one paragraph

Article in Reproduction (Cambridge, England), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

8 citing papers in PubMed.

  1. Article
  2. Article
  3. Review
  4. Article
  5. Article
  6. Review
  7. Role of Seminal Exosomes in Reproduction.Journal of cellular physiology · 2025
    Review
  8. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors.

Vipul BatraSchool of Medicine and Population Health, University of Sheffield, Sheffield, United Kingdom.
Hannah L MorganMaternal and Fetal Health Research Centre, Faculty of Biology Medicine and Health, University of Manchester, St Mary's Hospital, Manchester, United Kingdom.
Katie K ChoiSchool of Medicine, Biodiscovery Institute, University of Nottingham, Nottingham, United Kingdom.
David OnionSchool of Life Sciences, University of Nottingham, Nottingham, United Kingdom.
Nicola CroxallSchool of Life Sciences, University of Nottingham, Nottingham, United Kingdom.
Kenton P ArkillSchool of Medicine, Biodiscovery Institute, University of Nottingham, Nottingham, United Kingdom.
James HallwoodTranslational Medical Science, School of Medicine, University of Nottingham, Nottingham, United Kingdom.
Victoria JamesSchool of Veterinary Medicine and Science, Biodiscovery Institute, University of Nottingham, Nottingham, United Kingdom.
Adam J WatkinsSchool of Medicine and Population Health, University of Sheffield, Sheffield, United Kingdom.ORCID 0000-0002-0842-1251

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In brief: Male reproductive tract extracellular vesicles play a critical role in regulating sperm quality and male fertility. This study shows that extracellular vesicles from distinct regions of the male reproductive tract differ in their size, abundance and composition. Abstract: As sperm transit the male reproductive tract, they undergo a series of dynamic changes, gaining motility, modifying lipid and protein content and refining their epigenetic composition. Extracellular vesicles are central to this post-testicular maturation and changes in their composition could directly impact male reproductive health, sperm quality and post-fertilisation development. This study aimed to characterise and compare extracellular vesicles isolated from distinct regions of the male reproductive tract. Extracellular vesicles were isolated from adult, male C57BL/6J cauda and caput epididymis (epididymosomes) and seminal vesicle fluid by precipitation and size exclusion chromatography. Isolated vesicles were characterised using nanoparticle tracking analysis, transmission electron microscopy, Western blotting and imaging flow cytometry. Epididymosomes and seminal fluid vesicles ranged from 110.26 to 121.26 nm in diameter, had a concentration of 109 to 1010 particles/cm3 and had a typical round, cup-shaped morphology. The size and concentration of extracellular vesicles from the caput were significantly larger than those from the cauda and seminal fluid. Imaging flow cytometry revealed that all isolated extracellular vesicles expressed CD81 and CD9 tetraspanins; however, CD63 was detected only in caput epididymosomes. Furthermore, there were significantly fewer CD9+ vesicles in seminal fluid EVs compared to epididymosomes. Using a range of bulk- and single-vesicle analytical approaches, we show that different regions of the male reproductive tract display distinct vesicle compositional phenotypes. However, additional studies are warranted to define the significance of this heterogeneity, their roles in regulating male reproductive health and the development of their offspring.

Indexed as

EpididymisExtracellular VesiclesGenitalia, MaleSpermatozoaAnimalsMaleMiceMice, Inbred C57BLSeminal Vesiclesepididymosomesextracellular vesiclesimaging flow cytometrymale reproductive tract

Identifiers

PMID40424048
PMCPMC12152732

What Socratic holds

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LicenceCC BY
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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.