ArticleExperimental animals2021
MiR-133a-3p inhibits scar formation in scalded mice and suppresses the proliferation and migration of scar derived-fibroblasts by targeting connective tissue growth factor.
Article in Experimental animals, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 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
3 citing papers in PubMed, 7 citations in OpenAlex.
- Circulating miR-145-5p and miR-133a-3p in pediatric sickle cell disease: biomarker potential for vaso-occlusive crises and disease activity.Annals of hematology · 2025Article
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- α2-Antiplasmin as a Potential Therapeutic Target for Systemic Sclerosis.Life (Basel, Switzerland) · 2022Review
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Excessive scar formation post burn injury can cause great pain to the patients. MiR-133a-3p has been demonstrated to be anti-fibrotic in some fibrosis-related diseases. However, its possible role in scar formation has not been elucidated yet. In present study, the effect of miR-133a-3p on scar formation was investigated in a scalded model of mice. Moreover, the function of miR-133a-3p on proliferation and migration of scar-derived fibroblasts (SFs) was studied in vitro. It was found that miR-133a-3p was dramatically downregulated in scar tissue of scalded mice. Upregulation of miR-133a-3p by miR-133a-3p agomir obviously inhibited the scar formation in scalded mice. Histological staining showed that upregulation of miR-133a-3p attenuated the excessive deposition of collagen in scar tissue of scalded mice. In vitro study showed that upregulation of miR-133a-3p effectively suppressed the proliferation and migration of SFs. Besides, upregulation of miR-133a-3p attenuated the protein levels of α-smooth muscle actin (α-SMA) and collagen I, indicating that miR-133a-3p could suppress the activation of SFs. The expression of connective tissue growth factor (CTGF), a critical mediator in cell proliferation, migration and extracellular matrix (ECM) synthesis, was also downregulated by the upregulation of miR-133a-3p. Luciferase reporter assay validated that CTGF was directly targeted by miR-133a-3p. In addition, overexpression of CTGF abolished the effect of miR-133a-3p on inhibiting the proliferation, migration and activation of SFs, indicating that miR-133a-3p functioned by targeting CTGF. Therefore, miR-133a-3p might be a promising target for treating pathological scars.
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