Add time:08/30/2019         Source:sciencedirect.com

Despite the success which was achieved in the treatment of arterial hypertension, the problem remains actual. At the departments of pharmaceutical chemistry and pharmacology of the Zaporozhye State Medical Institute (Ukraine), our research team isolated the compound 1-(β-phenylethyl)-4-amino-1,2,4-triazolium bromide (Hypertril) as derivative of 4-amino-1,2,4-triazole. The objectives of this investigation were the study of cardioprotective and antihypertensive activities of this new compound Hypertril and we used the Spontaneously hypertensive rats (SHR) as an experimental model. We discovered that Hypertril has a reliable dose-dependent antihypertensive effect in the dose range 5–20 mg/kg after 30-day administration and this antihypertensive effect of Hypetril competes or significantly exceeds Metoprolol (20 mg/kg). Our studies obtained evidence of a dose-dependent improvement of myocardial energy metabolism. Hypertril reduces the manifestations of secondary mitochondrial dysfunction due to arterial hypertension. Hypertril can prevent oxidative modification of the protein; also Hypertril reduces the insufficiency of mitochondrial pores. As a result, Hypertril increases the content of ATP in the myocardium of SHR, normalizes the activity of mitochondrial enzymes, decreases lactate production and increases pyruvate. Hypertril enhances the cardioprotective effects of NO and increases the resistance of the cardiomyocytes to ischemia. The use of Hypertril leads to a dose-dependent increase of the density of cardiomyocyte nuclei, significant increase RNA content in nuclei and the cytoplasm of cardiomyocytes, and an increase of the nuclear-cytoplasmic index. These changes indicate a decrease of myocardial hypertrophy.

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