Atorvastatin prevented and partially reversed adrenocorticotropic hormone-induced hypertension in the rat

Clinical and Experimental Pharmacology & Physiology
Charles K MondoTi-Gang Huang

Abstract

1. Adrenocorticotropic hormone (ACTH)-induced hypertension is associated with nitric oxide (NO) deficiency and increased oxidative stress. Atorvastatin (Ato), an HMG-Co-enzyme-A reductase inhibitor has been reported to enhance availability of NO. The aim of the study was to assess whether pretreatment with Ato would prevent the development of ACTH-induced hypertension and whether established ACTH-induced hypertension could be reversed with subsequent administration of Ato in rats. 2. Male Sprague-Dawley rats (n = 60) were treated with Ato (30 mg/kg per day in drinking water) or tap water for 15 days. ACTH (0.2 mg/kg per day s.c) or saline was started 4 days after Ato treatment or non-treated rats and continued for 11-13 days (prevention study). In the reversal study, Ato was given on day 8 of ACTH/Saline treatment for 5 days. Systolic blood pressure (SBP) was measured on alternate days using the tail cuff method. 3. Adrenocorticotropic hormone treatment increased SBP (110 +/- 2-136 +/- 2 mmHg, P < 0.001) and aortic superoxide production (P < 0.001). Ato alone did not alter SBP, but Ato pretreatment prevented ACTH-induced hypertension compared with that in rats treated with ACTH alone (118 +/- 2 and 136 +/- 2 mmHg, respectively,...Continue Reading

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Citations

May 24, 2007·Current Hypertension Reports·Haralampos J MilionisDimitri P Mikhailidis
Oct 18, 2006·Clinical and Experimental Pharmacology & Physiology·Charles K MondoTi-Gang Huang
Nov 8, 2016·Journal of Petroleum Exploration and Production Technology·Chen SunZhizeng Xia

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