ArticlePloS one2024
Swimming alleviates myocardial fibrosis of type II diabetic rats through activating miR-34a-mediated SIRT1/PGC-1α/FNDC5 signal pathway.
Article in PloS one, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Review
- The Central Role of the AMPK/SIRT1/PGC-1α Signaling Axis in Skeletal Muscle Physiology and Pathology and Its Targeted Therapeutic Strategies.Pharmaceuticals (Basel, Switzerland) · 2026Review
- Cross-regulatory mechanisms linking ferroptosis, epigenetics, and circadian rhythm to mitochondrial quality control in diabetic cardiomyopathy.Journal of advanced research · 2026Review
- Astragaloside IV: A multipotent phytochemical for treating fibrotic diseases (Review).International journal of molecular medicine · 2026Review
- Farrerol ameliorates diabetic cardiomyopathy by inhibiting ferroptosisWorld journal of diabetes · 2025Article
- Article
- Role and Functions of Irisin: A Perspective on Recent Developments and Neurodegenerative Diseases.Antioxidants (Basel, Switzerland) · 2025Review
- Exercise and dietary interventions in the management of diabetic cardiomyopathy: mechanisms and implications.Cardiovascular diabetology · 2025Review
- Physical Exercise: A Promising Treatment Against Organ Fibrosis.International journal of molecular sciences · 2025Review
- Review
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7 authors.
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Abstract
Myocardial fibrosis can trigger heart failure in diabetic cardiomyopathy (DCM), and irisin, an exercise-induced myokine, may have a beneficial effect on cardiac function. However, the specific molecular mechanism between exercise and irisin in the diabetic heart remains not fully explored. This study aimed to investigate how miR-34a mediates exercise-induced irisin to ameliorate myocardial fibrosis and its underlying mechanisms. Type 2 diabetes mellitus (T2DM) with DCM was induced in adult male rats with high-fat diet and streptozotocin injection. The DCM rats were subjected to swimming (60 min/d) and recombinant irisin (r-irisin, 500 μg/kg/d) interventions for 8 weeks, respectively. Cardiac function, cardiomyocyte structure, myocardial fibrosis and its correlated gene and protein expression were analyzed. Swimming intervention alleviated insulin resistance, myocardial fibrosis, and myocardial hypertrophy, and promoted blood glucose homeostasis in T2DM model rats. This improvement was associated with irisin upregulation and miR-34a downregulation in the myocardium, thus enhancing cardiac function. Similar efficacy was observed via intraperitoneal injection of exogenous recombinant irisin. Inhibition of miR-34a in vivo exhibited an anti-myocardial fibrotic effect by promoting irisin secretion through activating sirtuin 1 (SIRT1)/peroxisome proliferator-activated receptor-gamma coactivator-1α (PGC-1α)/fibronectin type III domain-containing protein 5 (FNDC5) signal pathway and downregulating myocardial fibrosis markers (collagen I, collagen III, and transforming growth factor-β1). Therefore, swimming-induced irisin has the potential therapeutic effect on diabetic myocardial fibrosis through activating the miR-34a-mediated SIRT1/PGC-1α/FNDC5 signal pathway.
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