ArticleScientific reports2015
Human testicular peritubular cells secrete pigment epithelium-derived factor (PEDF), which may be responsible for the avascularity of the seminiferous tubules.
Article in Scientific reports, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 23 citations in OpenAlex.
- Single-cell RNA sequencing reveals immune-peritubular myoid cell crosstalk driving testicular interstitial fibrosis in idiopathic non-obstructive azoospermia.Cell & bioscience · 2026Article
- The RNA helicase DDX53 (CAGE) contributes to RNA metabolism in a human germ cell model.bioRxiv : the preprint server for biology · 2026Article
- Novel Potency Assay for MSC Secretome-Based Treatment of Idiopathic Male Infertility Employed Leydig Cells and Revealed Vascular Endothelial Growth Factor as a Promising Potency Marker.International journal of molecular sciences · 2022Article
- Transcriptional profiling of β-2MStem cell reports · 2022Article
- Article
- The Expression Levels and Cellular Localization of Pigment Epithelium Derived Factor (PEDF) in Mouse Testis: Its Possible Involvement in the Differentiation of Spermatogonial Cells.International journal of molecular sciences · 2021Article
- Regulation of Human Spermatogenesis.Advances in experimental medicine and biology · 2021Article
- Proteomic Insights into Senescence of Testicular Peritubular Cells from a Nonhuman Primate Model.Cells · 2020Article
- Review
- CaInternational journal of molecular sciences · 2018Article
- An overview of a Sertoli cell transplantation model to study testis morphogenesis and the role of the Sertoli cells in immune privilege.Environmental epigenetics · 2017Review
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Authors and funding
10 authors at 3 institutions in 2 countries.
Funding
Abstract
Male fertility depends on spermatogenesis, which takes place in the seminiferous tubules of the testis. This compartment is devoid of blood vessels, which are however found in the wall of the seminiferous tubules. Our proteomic study using cultured human testicular peritubular cells (HTPCs) i.e. the cells, which form this wall, revealed that they constitutively secrete pigment epithelium-derived factor, PEDF, which is known to exert anti-angiogenic actions. Immunohistochemistry supports its presence in vivo, in the human tubular wall. Co-culture studies and analysis of cell migration patterns showed that human endothelial cells (HUVECs) are repulsed by HTPCs. The factor involved is likely PEDF, as a PEDF-antiserum blocked the repulsing action. Thus testicular peritubular cells, via PEDF, may prevent vascularization of human seminiferous tubules. Dihydrotestosterone (DHT) increased PEDF (qPCR) in HTPCs, however PEDF expression in the testis of a non-human primate occurs before puberty. Thus PEDF could be involved in the establishment of the avascular nature of seminiferous tubules and after puberty androgens may further reinforce this feature. Testicular microvessels and blood flow are known to contribute to the spermatogonial stem cell niche. Hence HTPCs via control of testicular microvessels may contribute to the regulation of spermatogonial stem cells, as well.
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