ArticleArchives of medical science : AMS2024
Suppression of lncRNA-MALAT1 activity ameliorates femoral head necrosis by modulating mTOR signaling.
Article in Archives of medical science : AMS, 2024. 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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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.
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Who cites it
2 citing papers in PubMed.
- Epigenetic dysregulation in osteonecrosis of the femoral head: a critical review of DNA methylation, histone modifications, and clinical translation.Journal of orthopaedic surgery and research · 2026Review
- Effect of paeoniflorin on neuronal autophagy and Notch expression in tethered spinal cord in rats.Archives of medical science : AMS · 2025Article
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Authors and funding
2 authors.
Funding
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Abstract
Introduction: Avascular necrosis of the femoral head (ANFH) is one of the most complicated bone disorders; management remains challenging. We evaluated the effect of lncRNA-MALAT1 suppression on ANFH rats. Material and methods: Dexamethasone was injected intravenously at 0.5 mg/kg daily for 30 days to induce ANFH; an lncRNA-MALAT1 inhibitor group received the inhibitor for the entire 30 days. LncRNA-MALAT1 suppression was evaluated by measuring blood hexosamine and hydroxyproline levels, and that of circulating endothelial progenitor cells (EPCs). Changes in femoral head bone ultrastructure were assessed via transmission electron microscopy and magnetic resonance imaging (MRI). We used reverse transcription polymerase chain reaction (RT-PCR) and Western blotting to measure gene and protein expression levels in femoral head tissue. Results: The blood hexosamine level rose and that of hydroxyproline fell in the LncRNA-MALAT1 inhibitor group compared to the ANFH group. LncRNA-MALAT1 suppression increased the level of circulating EPCs. Ultrastructural changes in the femoral bone head were alleviated by the lncRNA-MALAT1 inhibitor. LncRNA-MALAT1 suppression lowered the levels of AMPK, mTOR, and Beclin-1 in rat tissue homogenates. Conclusions: LncRNA-MALAT1 suppression attenuated dexamethasone-induced femoral head necrosis by regulating AMPK/mTOR/Beclin-1 signaling.
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