ArticleCurrent issues in molecular biology2024
Melatonin Regulates Osteoblast Differentiation through the m6A Reader hnRNPA2B1 under Simulated Microgravity.
Article in Current issues in molecular biology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Stage-dependent DNA damage and mitochondrial dysfunction under simulated microgravity constrain oocyte maturation and are mitigated by melatonin.Cell communication and signaling : CCS · 2026Article
- Osteoprotective Effects of Melatonin on Bone Loss Associated with Dopaminergic Neuron Degeneration in a Rat Model of Parkinson Disease.Calcified tissue international · 2025Article
- Melatonin antagonizes bone loss induced by mechanical unloading via IGF2BP1-dependent mCellular and molecular life sciences : CMLS · 2025Article
- Multi-omics reveals circadian regulation of bone homeostasis by gut microbiota metabolites: mechanisms and chronotherapeutic implications.Frontiers in immunology · 2025Review
- Novel Insights into the Regulatory Role of N6-Methyladenosine in the Pathogenesis and Clinical Treatment of Osteoarthritis: Research Status and Prospect.Journal of inflammation research · 2025Review
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Authors and funding
8 authors.
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Abstract
Recent studies have confirmed that melatonin and N6-methyladenosine (m6A) modification can influence bone cell differentiation and bone formation. Melatonin can also regulate a variety of biological processes through m6A modification. Heterogeneous nuclear ribonucleoprotein A2/B1 (hnRNPA2B1) serves as a reader of m6A modification. In this study, we used the hindlimb unloading model as an animal model of bone loss induced by simulated microgravity and used 2D clinorotation to simulate a microgravity environment for cells on the ground. We found that hnRNPA2B1 was downregulated both in vitro and in vivo during simulated microgravity. Further investigations showed that hnRNPA2B1 could promote osteoblast differentiation and that overexpression of hnRNPA2B1 attenuated the suppression of osteoblast differentiation induced by simulated microgravity. We also discovered that melatonin could promote the expression of hnRNPA2B1 under simulated microgravity. Moreover, we found that promotion of osteoblast differentiation by melatonin was partially dependent on hnRNPA2B1. Therefore, this research revealed, for the first time, the role of the melatonin/hnRNPA2B1 axis in osteoblast differentiation under simulated microgravity. Targeting this axis may be a potential protective strategy against microgravity-induced bone loss and osteoporosis.
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