ReviewEndocrine reviews2020
Stem Leydig Cells in the Adult Testis: Characterization, Regulation and Potential Applications.
Review in Endocrine reviews, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 43 papers.
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.
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.
Who cites it
43 citing papers in PubMed, 99 citations in OpenAlex.
- Testicular ageing as a central hallmark of male senescence: characteristics, molecular mechanisms and emerging therapeutic strategies.Annals of medicine · 2026Review
- Hardened ground: ECM stiffness as a unifying biomechanical driver of reproductive stem cell aging.Biogerontology · 2026Review
- Desert Hedgehog mediates stem Leydig cell differentiation through Ptch2/Gli1/Sf1 signaling axis.eLife · 2026Article
- High Uric Acid Promotes Stem Leydig Cell Senescence by CCDC90B Mediates Mitochondrial Quality Control Imbalance.Cell proliferation · 2026Article
- Morinda officinalis polysaccharides activate the SIRT1/PGC-1α pathway to reduce oxidative damage in Leydig TM3 cells.Scientific reports · 2026Article
- Review
- Single-cell atlas of rhesus monkey testis reveals aging- and season-dependent regulation of spermatogenesis and microenvironment homeostasis.International journal of biological sciences · 2026Article
- The effects of testicular aging on Leydig cells and the application of stem cells in restoring Leydig cells function.Reproductive biology and endocrinology : RB&E · 2025Review
- Environmental light deprivation disrupts Leydig cell maturation and male reproductive development in rats.Scientific reports · 2025Article
- Harnessing TGF-β signaling to improve testicular organoid development from dissociated testicular cells.Stem cell research & therapy · 2025Article
- Circadian disruption impairs Leydig cell maturation and reproductive development in male rats.Reproductive biology and endocrinology : RB&E · 2025Article
- Single-cell transcriptomic atlas of the human testis across the reproductive lifespan.Nature aging · 2025Article
- Enucleated bone marrow-derived mesenchymal stromal cells regulate immune microenvironment and promote testosterone production through efferocytosis.Reproductive biology and endocrinology : RB&E · 2025Article
- The use of deidentified organ donor testes for research.Andrology · 2025Review
- Reconstructing the Stem Leydig Cell Niche via the Testicular Extracellular Matrix for the Treatment of Testicular Leydig Cell Dysfunction.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Cre Deleter Mouse Lines for Conditional Knockout of Genes in Testis Cell Types.Methods in molecular biology (Clifton, N.J.) · 2025Article
- Single-cell RNA sequencing technology in human spermatogenesis: Progresses and perspectives.Molecular and cellular biochemistry · 2024Review
- Distribution, contribution and regulation of nestinJournal of advanced research · 2024Review
- WNT5A regulates the proliferation, apoptosis and stemness of human stem Leydig cells via the β-catenin signaling pathway.Cellular and molecular life sciences : CMLS · 2024Article
- Morphine compromises androgen biosynthesis by immature Leydig cells from pubertal rat testes in vitro.Toxicology research · 2024Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
3 authors at 2 institutions in 2 countries.
Funding
Abstract
Androgen deficiency (hypogonadism) affects males of all ages. Testosterone replacement therapy (TRT) is effective in restoring serum testosterone and relieving symptoms. TRT, however, is reported to have possible adverse effects in part because administered testosterone is not produced in response to the hypothalamic-pituitary-gonadal (HPG) axis. Progress in stem cell biology offers potential alternatives for treating hypogonadism. Adult Leydig cells (ALCs) are generated by stem Leydig cells (SLCs) during puberty. SLCs persist in the adult testis. Considerable progress has been made in the identification, isolation, expansion and differentiation of SLCs in vitro. In addition to forming ALCs, SLCs are multipotent, with the ability to give rise to all 3 major cell lineages of typical mesenchymal stem cells, including osteoblasts, adipocytes, and chondrocytes. Several regulatory factors, including Desert hedgehog and platelet-derived growth factor, have been reported to play key roles in the proliferation and differentiation of SLCs into the Leydig lineage. In addition, stem cells from several nonsteroidogenic sources, including embryonic stem cells, induced pluripotent stem cells, mature fibroblasts, and mesenchymal stem cells from bone marrow, adipose tissue, and umbilical cord have been transdifferentiated into Leydig-like cells under a variety of induction protocols. ALCs generated from SLCs in vitro, as well as Leydig-like cells, have been successfully transplanted into ALC-depleted animals, restoring serum testosterone levels under HPG control. However, important questions remain, including: How long will the transplanted cells continue to function? Which induction protocol is safest and most effective? For translational purposes, more work is needed with primate cells, especially human.
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What OpenQuestion holds
Registered trials
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.