ArticleBMB reports2025
Dhx36 deficiency accelerates BMSC senescence and promotes age-related bone loss.
Article in BMB reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Neuroimmune pharmacotherapy across the skin-brain axis: mechanisms, therapeutic targets, and AI-enabled precision approaches.Naunyn-Schmiedeberg's archives of pharmacology · 2026Review
- G-Quadruplex Unwinding Molecular Mechanisms by Helicases and Their Applications.International journal of molecular sciences · 2026Review
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Authors and funding
6 authors.
Funding
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Abstract
Senescence of mesenchymal stem cells in bone tissue (BMSCs), the primary progenitors of osteoblasts, is a key contributor to age-related osteopenia and osteoporosis. Aged cells exhibit elevated cellular stress and abnormal accumulation of stress granules (SGs), which contain G-quadruplex (G4) structured nucleic acids and G4-binding proteins. Dhx36, a helicase that unwinds G4 structure, may play a protective role in this context. In this study, we investigated the function of Dhx36 in BMSCs and bone homeostasis by silencing Dhx36 expression in vitro and in vivo. Dhx36 deficiency increased SG formation and impaired their resolution in BMSCs. This was accompanied by reduced expression of G4-containing autophagyrelated genes and diminished autophagic activity. Loss of Dhx36 also enhanced senescence features and impaired BMSC osteogenic differentiation. Dhx36 expression was significantly lower in bone tissue and BMSCs from aged mice, compared to young mice. Moreover, 8-week-old mice with BMSC-specific Dhx36 knockout exhibited reduced bone volume and trabecular number, indicating premature bone loss. Analysis of public singlecell RNA sequencing data further showed that stress induced by 5-fluorouracil in mice suppressed Dhx36 expression in BMSCs, and downregulated genes related to ossification and osteoblast differentiation. Collectively, our findings identify Dhx36 as a regulator of BMSC aging, linking SG dynamics and autophagy to bone homeostasis, and suggest Dhx36 as a potential therapeutic target to prevent age-related bone loss. [BMB Reports 2025; 58(12): 501-510].
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Identifiers
41276281PMC12753334What OpenQuestion holds
Registered trials
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