Evidence map›Paper›PMID 40398716›Full record

ReviewFertility and sterility2025

Male fertility restoration with stem cell-based therapies: from testicular stem cells to pluripotent stem cell-based in vitro gametogenesis.

Young Sun Hwang, Amander T Clark

Abstract readReview
In one paragraph

Review in Fertility and sterility, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing 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

2 citing papers in PubMed.

  1. Review
  2. The Use of Stem Cells in Assisted Reproduction.Journal of clinical medicine · 2025
    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

2 authors.

Young Sun HwangDepartment of Molecular Cell and Developmental Biology, Center for Reproductive Science, Health and Education, University of California, Los Angeles, Los Angeles, California.
Amander T ClarkDepartment of Molecular Cell and Developmental Biology, Center for Reproductive Science, Health and Education, University of California, Los Angeles, Los Angeles, California. Electronic address: clarka@ucla.edu.

Funding

Differentiating embryonic stem cells into developing germ lineR01HD079546 · NICHD · UNIVERSITY OF CALIFORNIA LOS ANGELES · PI CLARK, AMANDER · 2015 to 2024
$3.7M
Towards a preclinical model for overcoming infertility with induced pluripotent stem cellsR01HD098278 · NICHD · UNIVERSITY OF CALIFORNIA LOS ANGELES · PI CLARK, AMANDER · 2019 to 2023
$3.0M
NICHD NIH HHS R01 HD079546NICHD NIH HHS R01 HD098278
6 · The paper itself

Abstract

Male factor infertility poses a substantial clinical challenge, affecting 8%-12% of couples worldwide. The underlying causes of this condition range from cancer treatments to congenital disorders. The present approach to fertility preservation entails the cryopreservation of sperm for postpubertal males. However, this method offers limited options for prepubertal patients and those with nonobstructive azoospermia. This review examines emerging stem cell-based therapies, including testicular tissue grafting, organ culture, cell reconstitution, spermatogonial stem cell transplantation, and pluripotent stem cell-derived in vitro gametogenesis. Although these approaches have demonstrated notable efficacy in animal models, particularly in mice, translating these technologies into clinical applications is confronted by significant scientific, ethical, and regulatory challenges. These innovative stem cell strategies offer promising pathways to restore fertility potential and provide hope for patients currently without reproductive options.

Indexed as

FertilityFertility PreservationGametogenesisInfertility, MalePluripotent Stem CellsStem Cell TransplantationTestisAdult Germline Stem CellsAnimalsCryopreservationHumansMaleinfertilityin vitro gametogenesisMale fertility restorationstem cells

Identifiers

PMID40398716
PMCPMC13255398

What OpenQuestion holds

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LicenceCC BY-NC-ND
Read underepoch 390

Registered trials

None linked

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.