Evidence map›Paper›PMID 39845480›Full record

ReviewReproductive medicine and biology

Possible mechanisms of spermatogenic dysfunction induced by viral infections: Insights from COVID-19.

Keisuke Okada, Chanhyon Kin, Yosuke Yamashita, Shun Kawamura, Katsuya Sato, Koji Chiba, Hideaki Miyake

Abstract readReview
In one paragraph

Review in Reproductive medicine and biology. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing 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

3 citing papers in PubMed.

  1. Article
  2. Advances in immunological research on male infertility.Frontiers in reproductive health · 2026
    Review
  3. Review
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

7 authors.

Keisuke OkadaDepartment of Urology Kobe City Medical Center West Hospital Kobe Japan.ORCID https://orcid.org/0000-0002-2819-6047
Chanhyon KinDivision of Urology, Department of Organs Therapeutics Kobe University Graduate School of Medicine Kobe Japan.
Yosuke YamashitaDivision of Urology, Department of Organs Therapeutics Kobe University Graduate School of Medicine Kobe Japan.
Shun KawamuraDivision of Urology, Department of Organs Therapeutics Kobe University Graduate School of Medicine Kobe Japan.
Katsuya SatoDivision of Urology, Department of Organs Therapeutics Kobe University Graduate School of Medicine Kobe Japan.
Koji ChibaDivision of Urology, Department of Organs Therapeutics Kobe University Graduate School of Medicine Kobe Japan.
Hideaki MiyakeDivision of Urology, Department of Organs Therapeutics Kobe University Graduate School of Medicine Kobe Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: As the COVID-19 pandemic nears resolution in 2024, the mechanisms by which SARS-CoV-2 and other viral infections induce spermatogenic dysfunction remain poorly understood. This review examines the mechanisms by which viral infections, particularly COVID-19, disrupt spermatogenesis and highlights the implications for male reproductive health. While reports suggest that spermatogenic dysfunction caused by COVID-19 is mild and transient, these findings may have broader applications in understanding and treating spermatogenic dysfunction caused by future viral infections. Methods: The PubMed database was searched to identify original and review articles investigating the mechanisms by which viral infections, particularly SARS-CoV-2, contribute to spermatogenic dysfunction. Main Findings: SARS-CoV-2 affects the testis through multiple mechanisms, including ACE2 receptor-mediated entry, direct viral damage, inflammatory response, blood-testis barrier disruption, hormonal imbalance, oxidative stress, and impaired spermatogenesis. The combination of these factors can disrupt testicular function and highlights the complexity of the effects of COVID-19 on male reproductive health. Conclusion: COVID-19 may disrupt spermatogenesis through direct testicular infection, systemic inflammation, hormonal disruption, and oxidative stress. Ongoing research, vaccination efforts, and clinical vigilance are essential to address these challenges and develop effective treatment and prevention strategies.

Indexed as

covid‐19male infertilitySARS‐COV‐2spermatogenesis

Identifiers

PMID39845480
PMCPMC11751869

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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 OpenQuestion graph.