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J Cardiovasc Dis Res. 2011 Jul;2(3):172-6. doi: 10.4103/0975-3583.85264.

Reduced nitrate level in individuals with hypertension and diabetes.

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  • 1Department of Biotechnology, University of Kashmir, Srinagar, India.

Abstract

BACKGROUND:

Nitric oxide (NO) turnover is vital for proper endothelial function to maintain a healthy vascular system. Various risk factors responsible for hypertension and diabetes may disrupt this homeostasis, leading to decreased bioavailability and/or bioactivity of NO, which potentiates endothelial dysfunction. Plasma NO is a useful indicator of NO homeostasis and vascular endothelial function. Since endothelial function plays a key role in the development and progression of diseases like diabetes and hypertension, we sought to investigate the NO profile in patients having diabetes and hypertension and determine the relationship of NO turnover with the disease.

MATERIALS AND METHODS:

For this purpose, three groups were studied for the NO production. The first group consisted of 74 hypertensive patients, the second group consisted of 72 diabetic patients and the third group consisted of 60 healthy controls. Nitrate synthase activity was evaluated by measuring nitrate level using an automated sample injector connected to an automated NO detector - Ion liquid chromatograph.

RESULTS:

The plasma concentration of NO was found to be significantly lower in both essential hypertensive patients and diabetic patients without complications as compared to the healthy controls (P < 0.05).

CONCLUSION:

This data confirms that different factors like hyperglycemia and blood pressure are seen to have immense influence on NO production.

KEYWORDS:

Diabetes; hypertension; nitric oxide

PMID:
22022145
[PubMed]
PMCID:
PMC3195196
Free PMC Article
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