Mitochondria-Targeted Antioxidants as a Therapeutic Strategy for Protecting Endothelium in Cardiovascular Diseases

ISSN: 1875-533X (Online)
ISSN: 0929-8673 (Print)


Volume 21, 38 Issues, 2014


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Current Medicinal Chemistry

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Mitochondria-Targeted Antioxidants as a Therapeutic Strategy for Protecting Endothelium in Cardiovascular Diseases

Author(s): Nadezda Apostolova, Milagros Rocha, Susana Rovira-Llopis, Celia Banuls, Rosa Falcon, Raquel Castello, Antonio Hernandez-Mijares and Victor M. Victor

Affiliation: FISABIO-University Hospital Doctor Peset, Avda Gaspar Aguilar 90, 46017, Valencia, Spain.

Abstract

Endothelial dysfunction involving dysfunctional mitochondria precedes the development of cardiovascular diseases. This impairment results from an increase in reactive oxygen species, which leads to oxidative stress and a reduced bioavailability of nitric oxide. It has been demonstrated that oxidative stress and alterations in glucose and lipid homeostasis (e.g. hyperinsulinemia, hyperglycemia, insulin resistance and dyslipidemia) are linked to mitochondrial impairment and that all of them contribute to endothelial dysfunction. Anti-hyperlipidemic drugs such as statins, anti-hypertensive drugs and angiotensin receptor antagonists have been shown to exert protection through anti-oxidative stress mechanisms. Other substances with antioxidant properties, such as vitamins, are also capable of abolishing the oxidative stress associated with cardiometabolic diseases. However, the results obtained with general antioxidants in clinical trials are contradictory, perhaps due to the unspecific nature of the targets selected. This study correlates endothelial dysfunction and mitochondrial dysfunction and examines current research for the selective targeting of specific molecules (such as ·NO donors and antioxidants) to mitochondria with the aim of protecting the endothelium against oxidative stress in cardiovascular diseases.

Keywords: Cardiovascular diseases, endothelial dysfunction, mitochondria, mitochondria-targeted antioxidants, oxidative stress.

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Article Details

Volume: 21
Issue Number: 25
First Page: 2989
Last Page: 3006
Page Count: 18
DOI: 10.2174/0929867321666140601200416
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