ArticleJournal of cellular and molecular medicine2018
miR-21 promotes cardiac fibroblast-to-myofibroblast transformation and myocardial fibrosis by targeting Jagged1.
Article in Journal of cellular and molecular medicine, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 63 papers.
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Who cites it
63 citing papers in PubMed, 86 citations in OpenAlex.
- Identification and expression validation of key genes of Xiaozhengtongluo formula in the treatment of diabetic nephropathy by Mendelian randomization.Functional & integrative genomics · 2026Article
- Small Extracellular Vesicles in Cardioprotection, Cardiac Repair, and Regeneration: Cargo Mechanisms, Producer Cell Sources, and Translational Development.Biomedicines · 2026Review
- Cardiac fibroblast diversity in HFpEF: states, niches, interorgan drivers and targets.Nature reviews. Cardiology · 2026Review
- Unifying and unique roles of non-coding RNA biomarkers in liver and heart fibrosis.Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie · 2026Review
- Atorvastatin Attenuates Human Cardiac Fibroblast Activation, with Associated Changes in GATA4/MEF2C and Selected Fibrosis-Related microRNAs.International journal of molecular sciences · 2026Article
- MicroRNAs in Heart Failure Pathogenesis and Progression: Mechanistic Control, Biomarker Potential, and Translational Perspectives.Life (Basel, Switzerland) · 2026Review
- Non-coding RNA-driven cardiovascular immunometabolic reprogramming: from inflammatory endotypes to therapeutic opportunities.Frontiers in cell and developmental biology · 2026Review
- The role of the bidirectional regulatory network between immune cells and stromal cells in cardiac repair and fibrosis following myocardial infarction.Frontiers in immunology · 2026Review
- RNA Therapeutics in Heart Failure.Journal of cardiovascular translational research · 2025Review
- Exploring the Potential of Molecular Hydrogen in Different Heart Failure Models: A Review.International journal of molecular sciences · 2025Review
- Environmental Stressors and Neuroinflammation: Linking Climate Change to Alzheimer's Disease.Current issues in molecular biology · 2025Review
- Harnessing miRNA therapeutics: a novel approach to combat heart and brain infarctions in atherosclerosis.Cell death discovery · 2025Review
- Proteome profiling of extracellular vesicles-derived from hepatitis B virus-infected hepatocellular carcinoma cell lines identifies PDCD11 as a carrier of viral RNAs.Frontiers in cell and developmental biology · 2025Article
- Targeting miRNA with flavonoids: unlocking novel pathways in cardiovascular disease management.Frontiers in pharmacology · 2025Review
- Paediatrics congenital heart disease is associated with plasma miRNAs.Pediatric research · 2024Article
- Pericardial Fluid Accumulates microRNAs That Regulate Heart Fibrosis after Myocardial Infarction.International journal of molecular sciences · 2024Article
- MiR-21 regulates skeletal muscle atrophy and fibrosis by targeting TGF-beta/SMAD7-SMAD2/3 signaling pathway.Heliyon · 2024Article
- Unraveling the Cardiac Matrix: From Diabetes to Heart Failure, Exploring Pathways and Potential Medications.Biomedicines · 2024Review
- Bidirectional negative feedback actions of DNMT3A and miR-145 in regulating autophagy in cardiac fibroblasts and affecting myocardial fibrosis.Journal of bioenergetics and biomembranes · 2023Article
- miRNAs Epigenetic Tuning of Wall Remodeling in the Early Phase after Myocardial Infarction: A Novel Epidrug Approach.International journal of molecular sciences · 2023Review
3 more citing papers are in PubMed but not listed here.
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
Abstract
Myocardial fibrosis after myocardial infarction (MI) is a leading cause of heart diseases. MI activates cardiac fibroblasts (CFs) and promotes CF to myofibroblast transformation (CMT). This study aimed to investigate the role of miR-21 in the regulation of CMT and myocardial fibrosis. Primary rat CFs were isolated from young SD rats and treated with TGF-β1, miR-21 sponge or Jagged1 siRNA. Cell proliferation, invasion and adhesion were detected. MI model was established in male SD rats using LAD ligation method and infected with recombinant adenovirus. The heart function and morphology was evaluated by ultrasonic and histological analysis. We found that TGF-β1 induced the up-regulation of miR-21 and down-regulation of Jagged1 in rat CFs. Luciferase assay showed that miR-21 targeted 3'-UTR of Jagged1 in rat CFs. miR-21 sponge inhibited the transformation of rat CFs into myofibroblasts, and abolished the inhibition of Jagged1 mRNA and protein expression by TGF-β1. Furthermore, these effects of miR-21 sponge on rat CFS were reversed by siRNA mediated knockdown of Jagged1. In vivo, heart dysfunction and myocardial fibrosis in MI model rats were partly improved by miR-21 sponge but were aggravated by Jagged1 knockdown. Taken together, these results suggest that miR-21 promotes cardiac fibroblast-to-myofibroblast transformation and myocardial fibrosis by targeting Jagged1. miR-21 and Jagged1 are potential therapeutic targets for myocardial fibrosis.
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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.