ArticleBiomedicines2022
Metformin Protects against Diabetic Cardiomyopathy: An Association between Desmin-Sarcomere Injury and the iNOS/mTOR/TIMP-1 Fibrosis Axis.
Article in Biomedicines, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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Who cites it
20 citing papers in PubMed, 31 citations in OpenAlex.
- Melatonin Attenuates Glucolipotoxicity-Induced Cardiac Oxidative Stress, Inflammation, Pyroptosis, and Fibrotic Remodeling in STZ/HFD-Treated ApoEAntioxidants (Basel, Switzerland) · 2026Article
- Diabetes and cancer: therapeutic implications.Cardio-oncology (London, England) · 2026Review
- Repurposing metformin for cardioprotection: mechanisms and therapeutic potential across cardiovascular pathologies.Frontiers in pharmacology · 2026Review
- Metformin alleviates diastolic dysfunction in mice with experimental diabetic cardiomyopathy.Journal of molecular and cellular cardiology plus · 2025Article
- The role of myocardial fibrosis in the diabetic cardiomyopathy.Diabetology & metabolic syndrome · 2025Review
- Exploring the Protective Effects of Traditional Antidiabetic Medications and Novel Antihyperglycemic Agents in Diabetic Rodent Models.Pharmaceuticals (Basel, Switzerland) · 2025Review
- The Mechanical Role of YAP/TAZ in the Development of Diabetic Cardiomyopathy.Current issues in molecular biology · 2025Review
- The mTOR Signaling Pathway: Key Regulator and Therapeutic Target for Heart Disease.Biomedicines · 2025Review
- Mesenchymal stem cells suppress kidney injury molecule-1 associated with inhibition of renal PKC/NF-Kβ/STAT3 fibrotic signaling pathway in rats with diabetic nephropathy.Archives of medical science : AMS · 2025Article
- Article
- MicroRNA-142-3p alleviated high salt-induced cardiac fibrosis via downregulating optineurin-mediated mitophagy.iScience · 2024Article
- Ferroptosis in diabetic cardiomyopathy: from its mechanisms to therapeutic strategies.Frontiers in endocrinology · 2024Review
- Atorvastatin ameliorated myocardial fibrosis in db/db mice by inhibiting oxidative stress and modulating macrophage polarization.World journal of diabetes · 2023Article
- AAV9-mediated SMN gene therapy rescues cardiac desmin but not lamin A/C and elastin dysregulation in Smn2B/- spinal muscular atrophy mice.Human molecular genetics · 2023Article
- Article
- Metformin Suppresses Thioacetamide-Induced Chronic Kidney Disease in Association with the Upregulation of AMPK and Downregulation of Oxidative Stress and Inflammation as Well as Dyslipidemia and Hypertension.Molecules (Basel, Switzerland) · 2023Article
- Article
- Upregulated desmin/integrin β1/MAPK axis promotes elastic cartilage regeneration with increased ECM mechanical strength.International journal of biological sciences · 2023Article
- Partial Synthetic PPARƳ Derivative Ameliorates Aorta Injury in Experimental Diabetic Rats Mediated by Activation of miR-126-5p Pi3k/AKT/PDK 1/mTOR Expression.Pharmaceuticals (Basel, Switzerland) · 2022Article
- MiR-155 Dysregulation Is Associated with the Augmentation of ROS/p53 Axis of Fibrosis in Thioacetamide-Induced Hepatotoxicity and Is Protected by Resveratrol.Diagnostics (Basel, Switzerland) · 2022Article
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Authors and funding
11 authors at 5 institutions in 3 countries.
Funding
Abstract
The intermediate filament protein desmin is essential for maintaining the structural integrity of sarcomeres, the fundamental unit of cardiac muscle. Diabetes mellitus (DM) can cause desmin to become dysregulated, following episodes of nitrosative stress, through the activation of the iNOS/mTOR/TIMP-1 pathway, thereby stimulating collagen deposition in the myocardium. In this study, type 2 diabetes mellitus (T2DM) was induced in rats. One group of animals was pre-treated with metformin (200 mg/kg) prior to diabetes induction and subsequently kept on metformin until sacrifice at week 12. Cardiac injuries developed in the diabetic rats as demonstrated by a significant (p < 0.0001) inhibition of desmin immunostaining, profound sarcomere ultrastructural alterations, substantial damage to the left ventricular tissue, collagen deposition, and abnormal ECG recordings. DM also significantly induced the cardiac expression of inducible nitric oxide synthase (iNOS), mammalian target of rapamycin (mTOR), and the profibrogenic biomarker tissue inhibitor of metalloproteinase-1 (TIMP-1). The expression of all these markers was significantly inhibited by metformin. In addition, a significant (p < 0.0001) correlation between desmin tissue levels/sarcomere damage and glycated hemoglobin, heart rate, iNOS, mTOR, and fibrosis was observed. These findings demonstrate an association between damage of the cardiac contractile unit—desmin and sarcomere—and the iNOS/mTOR/TIMP-1/collagen axis of fibrosis in T2DM-induced cardiomyopathy, with metformin exhibiting beneficial cardiovascular pleiotropic effects.
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