ArticleInvestigative ophthalmology & visual science2023
The RNA m5C Methylase NSUN2 Modulates Corneal Epithelial Wound Healing.
Article in Investigative ophthalmology & visual science, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 20 citations in OpenAlex.
- RNA Modifications as Molecular Regulators of Alveolar Epithelial Injury and Aberrant Repair in Pulmonary Fibrosis.Biomolecules · 2026Review
- YBX1 Modulated Corneal Neovascularization Induced by Alkali Burn via m5C-Dependent Regulation of the STAT3/HIF-1α/VEGFA Axis.Investigative ophthalmology & visual science · 2026Article
- NSUN2-Mediated mInternational journal of general medicine · 2026Review
- RNA modifications: molecular orchestrators of wound healing.Burns & trauma · 2026Article
- The Role of NSUN Family Genes in m5C Methylation and Diseases.Biomedicines · 2025Review
- Inhibition of Histone Methyltransferase G9a Activates Autophagy and Provides Protection in Dry Eye Disease.Investigative ophthalmology & visual science · 2025Article
- Epigenetic ALYREF/UHRF1/RHOB Axis in Corneal Wound Healing and Implications for Epithelial Tumorigenesis.Investigative ophthalmology & visual science · 2025Article
- Bridging tissue repair and epithelial carcinogenesis: epigenetic memory and field cancerization.Cell death and differentiation · 2025Review
- NSUN2 affects diabetic retinopathy progression by regulating MUC1 expression through RNA mJournal of translational medicine · 2024Article
- TheRNA (New York, N.Y.) · 2024Article
- Methylation in cornea and corneal diseases: a systematic review.Cell death discovery · 2024Review
- Exploring the Research Focus of RNA-Binding Proteins in Trauma and Burns.Analytical cellular pathology (Amsterdam) · 2024Review
Corrections and comments
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Authors and funding
9 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Purpose: The emerging epitranscriptomics offers insights into the physiopathological roles of various RNA modifications. The RNA methylase NOP2/Sun domain family member 2 (NSUN2) catalyzes 5-methylcytosine (m5C) modification of mRNAs. However, the role of NSUN2 in corneal epithelial wound healing (CEWH) remains unknown. Here we describe the functional mechanisms of NSUN2 in mediating CEWH. Methods: RT-qPCR, Western blot, dot blot, and ELISA were used to determine the NSUN2 expression and overall RNA m5C level during CEWH. NSUN2 silencing or overexpression was performed to explore its involvement in CEWH both in vivo and in vitro. Multi-omics was integrated to reveal the downstream target of NSUN2. MeRIP-qPCR, RIP-qPCR, and luciferase assay, as well as in vivo and in vitro functional assays, clarified the molecular mechanism of NSUN2 in CEWH. Results: The NSUN2 expression and RNA m5C level increased significantly during CEWH. NSUN2 knockdown significantly delayed CEWH in vivo and inhibited human corneal epithelial cells (HCEC) proliferation and migration in vitro, whereas NSUN2 overexpression prominently enhanced HCEC proliferation and migration. Mechanistically, we found that NSUN2 increased ubiquitin-like containing PHD and RING finger domains 1 (UHRF1) translation through the binding of RNA m5C reader Aly/REF export factor. Accordingly, UHRF1 knockdown significantly delayed CEWH in vivo and inhibited HCEC proliferation and migration in vitro. Furthermore, UHRF1 overexpression effectively rescued the inhibitory effect of NSUN2 silencing on HCEC proliferation and migration. Conclusions: NSUN2-mediated m5C modification of UHRF1 mRNA modulates CEWH. This finding highlights the critical importance of this novel epitranscriptomic mechanism in control of CEWH.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.