ArticleCell proliferation2025
RNF187 Facilitates Proliferation and Migration of Human Spermatogonial Stem Cells Through WDR77 Polyubiquitination.
Article in Cell proliferation, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- A Noncanonical Protein Degradation Pathway That Regulates Germ Cell Maintenance.Cell proliferation · 2026Article
- WSB1 is dispensable for mouse spermatogenesis and male fertility.American journal of translational research · 2026Article
- Long non-coding RNA ZBTB46-AS1 promotes ovarian cancer progression through regulation of p53 activity by TAF6 protein.American journal of translational research · 2026Article
- SIAH1-Mediated Ubiquitination and Degradation of TRIB3 Modulate Osteogenic and Adipogenic Differentiation.Stem cells international · 2026Article
- LncRNA CDIPTOSP-induced destabilization of KLF17 promotes ovarian cancer progression through STAU1-mediated mRNA decay.American journal of translational research · 2026Article
- RNF187 Facilitates Proliferation and Migration of Human Spermatogonial Stem Cells Through WDR77 Polyubiquitination.Cell proliferation · 2025Article
- GADD45GIP1 promotes osteosarcoma progression by modulating RPL35 ubiquitination and alleviating endoplasmic reticulum stress via the PERK/eIF2α pathway.Cancer cell international · 2025Article
- WSB1 promotes prostate cancer malignancy through OTUD4-mediated ISOC2 stabilization and P16INK4a suppression.American journal of cancer research · 2025Article
- MEGF8-driven metabolic reprogramming and immune evasion define a high-risk subtype of endometriosis-associated ovarian cancer.American journal of translational research · 2025Article
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Authors and funding
13 authors.
Funding
Abstract
The E3 ubiquitin ligase RNF187, also known as RING domain AP1 coactivator-1, is a member of the RING finger family. RNF187 is indispensable for the proliferation and migration of GC-1 cells derived from mouse spermatogonia and GC-2 cells derived from spermatocytes. However, it remains unclear whether RNF187 plays a crucial role in the self-renewal and migration of human spermatogonial stem cells (SSCs). In this study, we observed a positive correlation between RNF187 expression and the proliferation and migration of human SSCs. Through co-immunoprecipitation and mass spectrometry analyses, we identified WD repeat-containing protein 77 (WDR77) as an interacting partner of RNF187. Specifically, RNF187 recognises the K118 site of WDR77 through lysine 48-linked polyubiquitination, subsequently mediating its degradation via the ubiquitin-proteasome system (UPS). Further studies have revealed that decreased expression of WDR77 diminishes the symmetric dimethylation at H4R3 (H4R3me2s) catalysed by its interacting protein, the arginine methyltransferase PRMT5. This, in turn, relieves the transcriptional repression of early growth response protein 1 (EGR1), a positive regulator for human SSC maintenance. In conclusion, this study has unveiled a pivotal role for RNF187 in the proliferation and migration of human SSCs. This may provide a promising strategy for addressing non-obstructive azoospermia (NOA) caused by SSC dysfunction.
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