<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Cardiovascular diseases are the leading cause of morbidity and mortality in patients with diabetes mellitus. Increased bioavailability of reactive oxygen species is defined as oxidative stress and is noticed in type 2 DM and reduced antioxidant enzymes expression/ activity. Aldosterone, an adrenal hormone, is secreted due to renin-angiotensin–aldosterone system activation, representing one of the fundamental physiological reactions in CVD. Spironolactone, a mineralocorticoid receptor antagonist, uses enhanced coronary microvascular function, suggesting a beneficial role of aldosterone in preventing diabetic cardiovascular complications in patients with type 2 DM. In this study, we evaluated the influence of spironolactone's acute administration on oxidative stress in rats with diabetes mellitus induced by streptozotocin. The present study was carried out on 40 adult male Wistar albino rats (8 weeks old). Rats were randomly divided into 4 groups (10 animals per group): healthy rats treated with 0.1 μM of spironolactone, diabetic rats treated with 0.1 μM of spironolactone, healthy rats treated with 3 μM of spironolactone, and diabetic rats treated with 3 μM of spironolactone. Spironolactone achieved different effects on oxidative stress parameters when given acutely in different doses in diabetic and healthy rats. In lower doses, spironolactone's acute administration reached lowered parameters of oxidative stress in healthy rats better than higher doses of spironolactone. In contrast, in the diabetic group, acute effects of higher doses of spironolactone lowered oxidative stress parameters better than lower spironolactone doses.</p></abstract>

Cardiovascular diseases are the leading cause of morbidity and mortality in patients with diabetes mellitus. Increased bioavailability of reactive oxygen species is defined as oxidative stress and is noticed in type 2 DM and reduced antioxidant enzymes expression/ activity. Aldosterone, an adrenal hormone, is secreted due to renin-angiotensin–aldosterone system activation, representing one of the fundamental physiological reactions in CVD. Spironolactone, a mineralocorticoid receptor antagonist, uses enhanced coronary microvascular function, suggesting a beneficial role of aldosterone in preventing diabetic cardiovascular complications in patients with type 2 DM. In this study, we evaluated the influence of spironolactone's acute administration on oxidative stress in rats with diabetes mellitus induced by streptozotocin. The present study was carried out on 40 adult male Wistar albino rats (8 weeks old). Rats were randomly divided into 4 groups (10 animals per group): healthy rats treated with 0.1 μM of spironolactone, diabetic rats treated with 0.1 μM of spironolactone, healthy rats treated with 3 μM of spironolactone, and diabetic rats treated with 3 μM of spironolactone. Spironolactone achieved different effects on oxidative stress parameters when given acutely in different doses in diabetic and healthy rats. In lower doses, spironolactone's acute administration reached lowered parameters of oxidative stress in healthy rats better than higher doses of spironolactone. In contrast, in the diabetic group, acute effects of higher doses of spironolactone lowered oxidative stress parameters better than lower spironolactone doses.

The Acute Effects of Different Spironolactone Doses on Oxidative Stress in Streptozotocin-Induced Diabetic Rats

Department of Internal Medicine, Faculty of Medical Sciences

Department of Pharmacy, Faculty of Medical Sciences

Department of Physiology, Faculty of Medical Sciences

1st Moscow State Medical University IM Sechenov

Experimental and Applied Biomedical Research (EABR)

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Cardiovascular diseases are the leading cause of morbidity and mortality in patients with diabetes mellitus. Increased bioavailability of reactive oxygen...

The Acute Effects of Different Spironolactone Doses on Oxidative Stress in Streptozotocin-Induced Diabetic Rats

Publié en ligne: 26 mai 2021

Pages: -

Reçu: 16 mars 2021

Accepté: 22 mars 2021

DOI: https://doi.org/10.2478/sjecr-2021-0025

Mots clés
spironolactone, diabetes mellitus, oxidative stress, rats

© 2021 Stefan Simovic et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

The Acute Effects of Different Spironolactone Doses on Oxidative Stress in Streptozotocin-Induced Diabetic Rats

Publié en ligne: 26 mai 2021

Pages: -

Reçu: 16 mars 2021

Accepté: 22 mars 2021

DOI: https://doi.org/10.2478/sjecr-2021-0025

Mots clésspironolactone, diabetes mellitus, oxidative stress, rats

© 2021 Stefan Simovic et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Mots clés
spironolactone, diabetes mellitus, oxidative stress, rats