ArticleMolecular and cellular biochemistry2023
Metformin and empagliflozin modulate monoamine oxidase-related oxidative stress and improve vascular function in human mammary arteries.
Article in Molecular and cellular biochemistry, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 11 citations in OpenAlex.
- Irisin upregulation as a contributory mechanism for the therapeutic benefits of SGLT-2 inhibitors.Pharmacology & therapeutics · 2026Review
- Vasculoprotective Effects of Sodium-Glucose Co-Transporter Inhibitors in Non-Diabetic Experimental Settings: A Narrative Review.International journal of molecular sciences · 2026Review
- Monoamine oxidases are mediators of oxidative stress in human varicose Veins: interactions with obesity, inflammation, and angiotensin II.Molecular and cellular biochemistry · 2026Article
- Methylene blue reduces monoamine oxidase expression and oxidative stress in human cardiovascular adipose tissue.Molecular and cellular biochemistry · 2025Article
- Article
- Empagliflozin and dapagliflozin decreased atrial monoamine oxidase expression and alleviated oxidative stress in overweight non-diabetic cardiac patients.Molecular and cellular biochemistry · 2025Article
- Monoamine Oxidase Contributes to Valvular Oxidative Stress: A Prospective Observational Pilot Study in Patients with Severe Mitral Regurgitation.International journal of molecular sciences · 2024Observational
- Endothelial Dysfunction in Obesity and Therapeutic Targets.Advances in experimental medicine and biology · 2024Review
- Monoamine oxidase mediated oxidative stress: a potential molecular and biochemical crux in the pathogenesis of obesity.Molecular biology reports · 2023Review
- Metformin and empagliflozin modulate monoamine oxidase-related oxidative stress and improve vascular function in human mammary arteries.Molecular and cellular biochemistry · 2023Article
- Glucose, Insulin and Oxygen Modulate Expression of Serotonin-Regulating Genes in Human First-Trimester Trophoblast Cell Line ACH-3P.Biomedicines · 2023Article
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Authors and funding
10 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Monoamine oxidases (MAOs), mitochondrial enzymes with two isoforms, A and B, have been recently recognized as significant contributors to oxidative stress in the cardiovascular system. The present study was purported to assess the effect of metformin and empagliflozin on MAO expression, oxidative stress and vascular reactivity in internal mammary arteries harvested from overweight patients with coronary heart disease subjected to bypass grafting. Vascular rings were prepared and acutely incubated (12 h) with high glucose (GLUC, 400 mg/dL) or angiotensin II (AII, 100 nM) and metformin (10 µM) and/or empagliflozin (10 µM) and used for the assessment of MAO expression (qRT-PCR and immune histochemistry), reactive oxygen species (ROS, confocal microscopy and spectrophotometry), and vasomotor function (myograph). Ex vivo stimulation with GLUC or AII increased both MAOs expression, ROS production and impaired relaxation to acetylcholine (ACh) of the vascular rings. All effects were alleviated by incubation with each antidiabetic drug; no cumulative effect was obtained when the drugs were applied together. In conclusion, MAO-A and B are upregulated in mammary arteries after acute stimulation with GLUC and AII. Endothelial dysfunction and oxidative stress were alleviated by either metformin or empagliflozin in both stimulated and non-stimulated vascular samples harvested from overweight cardiac patients.
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