ArticleBMC molecular and cell biology2022
RUNX3 mediates keloid fibroblast proliferation through deacetylation of EZH2 by SIRT1.
Article in BMC molecular and cell biology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 5 citations in OpenAlex.
- Epigenetic orchestration of scar formation: Therapeutic potential of targeting DNA methylation and non‑coding RNAs in cutaneous fibrosis (Review).Molecular medicine reports · 2026Review
- ALKBH5 Inhibits YTHDF2-m6A-Mediated Degradation of RCN1 mRNA to Promote Keloid Formation by Activating IRE1α-XBP1-Mediated ER Stress.Journal of cosmetic dermatology · 2025Article
- Computed tomography-based radiomics predicts the fibroblast-related geneWorld journal of clinical cases · 2024Article
- LA67 Liposome-Loaded Thermo-Sensitive Hydrogel with Active Targeting for Efficient Treatment of Keloid via Peritumoral Injection.Pharmaceutics · 2023Article
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Authors and funding
9 authors at 1 institution in 1 country.
Funding
Abstract
backgroundKeloid is a benign proliferative fibrous disease featured by excessive fibroblast proliferation after skin injury. However, the mechanism of abnormal cell proliferation is still unclear. Herein, we investigated the mechanism of abnormal proliferation in keloids involving Sirtuin 1(SIRT1)/ Zeste Homolog 2 (EZH2)/ Runt-related transcription factor 3 (RUNX3).
methodsHE staining was used to observe the histopathological changes. Western blot was performed to detect SIRT1/EZH2/RUNX3 and cell cycle related proteins. RT-PCR detected EZH2 mRNA. After knockdown of EZH2 or overexpression of RUNX3, cell proliferation and cell cycle was analyzed. Immunoprecipitation was used to detect acetylated EZH2.
resultsThe results showed that overexpression of RUNX3 inhibited cell proliferation and arrested cell cycle at G1/S phase, whereas inhibition of SIRT1 promoted cell proliferation and G1/S phase of the cell cycle. Knockdown of EZH2 promoted the expression of RUNX3, inhibited cell proliferation and shortened the progression of G1 to S phase. Simultaneous knockdown of EZH2 and inhibition of SIRT1 reversed these effects. Inhibition of SIRT1 increased its protein stability by increasing EZH2 acetylation, thereby reducing the expression of RUNX3 and promoting cell proliferation.
conclusionsConclusively, the SIRT1/EZH2/RUNX3 axis may be an important pathway in the regulation of abnormal proliferation in keloids.
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