ArticleMolecular biology reports2024
CircRNA_SLC8A1 alleviates hypertrophic scar progression by mediating the Nrf2-ARE pathway.
Article in Molecular biology reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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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.
- Epithelial-mesenchymal transition in cutaneous fibrosis disease: from mechanisms to therapy.Frontiers in immunology · 2026Review
- The circ_0054633/miR-590-3p/RUNX2 positive feedback loop promotes the osteogenic differentiation of BMSCs.Stem cell research & therapy · 2025Article
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Authors and funding
8 authors.
Funding
Abstract
backgroundHypertrophic scar (HS) is associated with cosmetic defects, mobility, and functional impairments, pruritus, and pain. Previous circRNA microarray analysis identified reduced expression of circRNA_SLC8A1 in HS tissues. Therefore, this study aims to investigate the role of circRNA_SLC8A1 in modulating the abnormal behavior of HS-derived fibroblasts (HSFs) in vitro.
methodsRT-qPCR and FISH assays were used to assess the differential expression and localization of circRNA_SLC8A1 in normal and HS tissues. Following modulation of circRNA_SLC8A1 expression, CCK-8, flow cytometry, Transwell, and wound healing assays were employed to evaluate the effects of circRNA_SLC8A1 on the biological behaviors of HSFs. The Starbase database, dual-luciferase reporter assays, and Ago2-RIP assays were utilized to predict and validate the interaction between circRNA_SLC8A1 and downstream miRNAs.
resultsCircRNA_SLC8A1 was found to be downregulated in HS tissues and was primarily localized in the cytoplasm. Overexpression of circRNA_SLC8A1 reduced cell viability, cell invasion, wound healing, and the expression of Vimentin, N-cadherin, Col I, and Col III, while enhancing apoptosis and E-cadherin expression in HSFs. CircRNA_SLC8A1 activates the Nrf2-ARE pathway by competitively binding to miRNA-27a-3p. miRNA-27a-3p and Nrf2 exhibited high and low expression, respectively in HS tissues, with an inverse correlation between their levels. Overexpression of miRNA-27a-3p counteracted the effects of circRNA_SLC8A1 in HSF proliferation, apoptosis, migration, EMT, collagen deposition, and Nrf2-ARE pathway activity.
conclusionCircRNA_SLC8A1 inhibits the proliferation, migration, EMT, and collagen deposition of HSF through competitive binding with miRNA-27a-3p, thereby activating the Nrf2-ARE pathway. The circRNA_SLC8A1/miRNA-27a-3p/Nrf2-ARE axis may offer a promising molecular target for HS therapy.
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Registered trials
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