ArticleThe Korean journal of internal medicine2021
MicroRNA-21 inhibition attenuates airway inflammation and remodelling by modulating the transforming growth factor β-Smad7 pathway.
Article in The Korean journal of internal medicine, 2021. 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, 12 citations in OpenAlex.
- Targeting Tight Junction Proteins to Restore Airway Epithelial Barrier Function in Asthma.Current allergy and asthma reports · 2026Review
- Article
- Breast milk miRNAs and their potential role in the development of atopy in infants.Frontiers in molecular biosciences · 2026Review
- Serum miR-130a-3p and miR-326: Correlation with Airway Inflammation and Prognostic Implications in Pediatric Bronchial Asthma.Journal of asthma and allergy · 2025Article
- Role of IFN-γ and TGF-β in the Pathophysiology of Chronic Sinusitis :.Galen medical journal · 2025Article
- The role of TGF-β1 in chronic multilobar segmental bronchial stenosis and advances in targeted drug research.Frontiers in pharmacology · 2025Review
- circ-0001454 alleviates asthma airway inflammation and remodeling via sponging miR-770-5p and regulating cbl-b.Frontiers in cell and developmental biology · 2025Article
- Milk-Derived Small Extracellular Vesicles Promote Osteogenic Differentiation and Inhibit Inflammation via microRNA-21.International journal of molecular sciences · 2023Article
- Noncoding RNAs in asthmatic airway smooth muscle cells.European respiratory review : an official journal of the European Respiratory Society · 2023Review
- High Expression Levels of miR-21-5p in Younger Hospitalized COVID-19 Patients Are Associated with Mortality and Critical Disease.International journal of molecular sciences · 2023Article
- The role of miRNAs in T helper cell development, activation, fate decisions and tumor immunity.Frontiers in immunology · 2023Review
- Recent miRNA Research in Asthma.Current allergy and asthma reports · 2022Review
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
Abstract
BACKGROUND/
aimsCurrent asthma therapies remain unsatisfactory for controlling airway remodelling in asthma. MicroRNA-21 is a key player in asthma pathogenesis, but the molecular mechanisms underlying its effects on airway remodelling are not completely understood. We investigated the effects of inhibition of microRNA-21 on allergic airway inflammation and remodelling.
methodsFemale BALB/c mice were divided into four groups: control, ovalbumin-sensitized and -challenged for 3 months, microRNA-negative control-treated ovalbumin-treated, and microRNA-21 inhibitor-treated ovalbumin-treated groups. Parameters related to airway remodelling, cytokine production, airway inflammation, and airway hyperresponsiveness were compared between groups. Human bronchial smooth muscle cells were used in a mechanism study.
resultsIn this asthma model, ovalbumin-sensitized and -challenged mice exhibited allergic airway inf lammation and airway remodelling. MicroRNA-21 inhibitor-treated mice had fewer inflammatory cells, lower TH2 cytokine production, and suppressed parameters related to remodelling such as goblet cell hyperplasia, collagen deposition, hydroxyproline content, and expression of smooth muscle actin. Inhibition of microRNA-21 decreased transforming growth factor β1 expression and induced Smad7 expression in lung tissue. In human bronchial smooth muscle cells stimulated with transforming growth factor β1, microRNA-21 inhibition upregulated Smad7 expression and decreased markers of airway remodelling.
conclusionInhibition of microRNA-21 had both anti-inflammatory and anti-remodelling effects in this model of ovalbumin-induced chronic asthma. Our data suggest that the microRNA-21-transforming growth factor β1-Smad7 axis modulates the pathogenesis of ovalbumin-induced chronic asthma and in human bronchial smooth muscle cells. MicroRNA-21 inhibitors may be a novel therapeutic target in patients with allergic asthma, especially those with airway remodelling.
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