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Depression: 21st Century Solutions + The Dark Side of Wheat

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Abstract Title:

Antihypertensive Potential of Coenzyme Q10 via Free Radical Scavenging and Enhanced Akt-nNOS Signaling in the Nucleus Tractus Solitarii in Rats.

Abstract Source:

Mol Nutr Food Res. 2019 Jan 22:e1801042. Epub 2019 Jan 22. PMID: 30668894

Abstract Author(s):

Hsin-Hung Chen, Tung-Chen Yeh, Pei-Wen Cheng, Wen-Yu Ho, Chiu-Yi Ho, Chi-Cheng Lai, Gwo-Ching Sun, Ching-Jiunn Tseng

Article Affiliation:

Hsin-Hung Chen

Abstract:

SCOPE: In the Natural Medicines database, coenzyme Q10 (CoQ10) is classified as possibly effective for the treatment of hypertension. Patients with hypertension frequently have a significant deficiency of the antioxidant CoQ10. Furthermore, reactive oxygen species are overproduced in the nucleus tractus solitarii (NTS) during the cardiovascular regulation of hypertension in vivo. However, the molecular mechanisms by which CoQ10 modulates cardiovascular functions in the NTS are unclear. In this study, the effects of CoQ10 on superoxide generation, downstream NO signaling in the NTS, and blood pressure were evaluated in rats with fructose-induced hypertension.

METHODS AND RESULTS: Treatment with oral CoQ10 for 4 weeks abolished nicotinamide adenine dinucleotide phosphate-oxidase (NADPH oxidase) activation, decreased p38 phosphorylation, and increased superoxide dismutase 2 production in the NTS of fructose-fed rats. The serum levels of uric acid decreased in response to CoQ10 treatment in fructose-fed rats. Oral CoQ10 reduced blood pressure by inducing Akt and nNOS phosphorylation in NTS of fructose-induced hypertensive rats.

CONCLUSION: Our results indicated that oral CoQ10 decreases blood pressure by negatively regulating fructose-induced NADPH oxidase levels, abolishing ROS generation, reducing p38 phosphorylation, and enhancing the Akt-nNOS pathway in the NTS. These results support the beneficial effects of CoQ10 in oxidative stress-associated hypertension. This article is protected by copyright. All rights reserved.

Study Type : Animal Study

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Sayer Ji
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Depression: 21st Century Solutions + The Dark Side of Wheat

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