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Articles by Mahin Dianat
Total Records ( 1 ) for Mahin Dianat
  Mohammad Badavi , Fatemeh Zarea Mehrgerdi , Alireza Sarkaki , Mohammad Kazem Gharib Naseri and Mahin Dianat
  The main objective of this study was to evaluate the potential protective effect of red Grape Seed Extract (GSE) on lead induced hypertension (HTN) and Heart Rate (HR) in male Wistar rats. The rats were randomly assigned to one of 4 groups: Each group received lead acetate (100 ppm in drinking water), GSE (100 mg kg-1, orally) or Lead + GSE for 45 days. Another group assigned as control group provided with tap water and regular pellet food. The Systolic Blood Pressure (SBP) and heart rate were determined by tail plethysmography coupled to a computer system. There was a sustained elevation of SBP in lead exposed rats that significantly increased at day 18 (lead treated, 112.7 ±2.7 mmHg, vs. control, 105.6±2.6 mmHg, n = 10, p<0.05) and reached a maximum level at day 36 (lead treated, 124.9 ±2.3 mmHg, vs. control, 103.6 ±3.1 mmHg, n = 10, p<0.001). However, the other three groups; showed no significant changes in SBP. Furthermore, the heart rate was increased sustainly in lead exposed animals that was statistically significant at days 36 and 45 (lead treated group, 404.5±9.4 vs. control group, 381.7 ±6.7, n = 10, p<0.05). The blood lead level in both lead and lead + GSE treated groups was increased significantly compared with control and GSE treated groups (p<0.001). However, GSE administration had no effect on the blood lead level in lead treated group. According to the result of this study, it may be concluded that GSE could have beneficial effect in protecting the cardiovascular system through its antioxidant activity against oxidative stress.
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