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Effect of Ascorbic Acid on the Right and Left Coronary Arteries of Male Rabbits Fed With High-Cholesterol Diet



Dashti G1 ; Behdadipour Z1 ; Vahedi P1 ; Pestechian N2
Authors
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Authors Affiliations
  1. 1. Anatomy Dept., Isfahan University of Medical Sciences, Isfahan, Iran
  2. 2. Mycology and Parasitology Dept., Isfahan University of Medical Sciences, Isfahan, Iran

Source: ARYA Atherosclerosis Published:2007

Abstract

INTRODUCTION: Atherosclerosis and cardiovascular diseases are the most common causes of death in western countries. The beneficial effect of ascorbic acid on various organs has been reported. The present study was conducted to determine the effect of ascorbic acid on the right and left coronary arteries of male rabbits fed with high-cholesterol diet. METHODS: Twenty white male rabbits (mean weight: 950 g) were weighed and randomly divided into two groups. For 40 days, group 1 (n=10) was given a high-cholesterol (1%) diet, group 2 (n=10) was fed with a high-cholesterol diet and ascorbic acid (100 mg/kg). Then both of the groups were weighed and the animals were sacrificed. The right and left coronary arteries were dissected and then fixation, tissue processing, histological sectioning and H & E staining were carried out and sections were studied by light microscopy. The results were analyzed by using the Mann Whitney test. RESULTS: Group 2 which received ascorbic acid had no fatty streaks in their coronary arteries. Significant difference in mean weight was observed before and after the diet in both groups (P<0.05). CONCLUSIONS: Histopathological study of the coronary arteries showed that the rabbits which received ascorbic acid diet did not develop fatty streaks. Thus ascorbic acid exerts an apparently inhibitory effect on fatty streak formation and may slow down or prevent atherosclerosis by countering the side effects of a high-fat meal. © 2007, Isfahan University of Medical Sciences(IUMS). All rights reserved.
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