Abstract
In essential hypertension, excess endogenous aldehydes bind sulfhydryl groups of membrane proteins, altering membrane Ca2+ channels and increasing cytosolic free calcium and blood pressure. Abnormalities in carbohydrate metabolism may underlie the etiology of the clinical course of hypertension. Insulin resistance and glucose intolerance is a common feature of hypertension in humans and in animal models. Elevated endogenous aldehydes in spontaneously hypertensive rats may be due to increased production of reactive aldehydes such as methylglyoxal, when the glycolytic pathway of glucose metabolism is impaired. The thiol compound, N-acetyl cysteine, normalizes elevated blood pressure by binding excess endogenous aldehydes and normalizing Ca2+ channels and cytosolic free calcium. Dietary sup-plementation with nutrients which can increase endogenous cysteine and glutathone may improve carbohydrate metabolism, lower blood pressure and normalize associated biochemi-cal and histopathological changes. This nutritional approach to lower blood pressure has been demonstrated in spontaneously hypertensive rats, a model of human essential hypertension using supplementation with either vitamin B6, vitamin C, N-acetyl cysteine or lipoic acid.
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Vasdev, S., Ford, C.A., Longerich, L., Parai, S. (2003). A Nutritional Approach to Prevent High Blood Pressure. In: Pierce, G.N., Nagano, M., Zahradka, P., Dhalla, N.S. (eds) Atherosclerosis, Hypertension and Diabetes. Progress in Experimental Cardiology, vol 8. Springer, Boston, MA. https://doi.org/10.1007/978-1-4419-9232-1_16
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DOI: https://doi.org/10.1007/978-1-4419-9232-1_16
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