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Article Publish Status: FREE
Abstract Title:

Antioxidant Effect ofL. in the Cardiovascular System of Obese Zucker Rats.

Abstract Source:

Antioxidants (Basel). 2021 Jul 27 ;10(8). Epub 2021 Jul 27. PMID: 34439452

Abstract Author(s):

Ezgi Dayar, Martina Cebova, Jan Lietava, Elena Panghyova, Olga Pechanova

Article Affiliation:

Ezgi Dayar

Abstract:

L. (Loni) represents a promising source of beneficial polyphenols with therapeutical potential in cardiovascular diseases. We aimed to study the effects of Loni and coenzyme Q10 (CoQ10) on selected cardiometabolic parameters and NO/ROS balance in obese Zucker rats. Male Zucker rats were divided into the control group and groups treated with CoQ10 (30 mg/kg/day) or Loni (5 g/kg/day) for 6 weeks. Blood pressure, body weight, heart weight, and plasma lipid profile were determined. NOS activity and protein expressions of eNOS, SOD, NADPH oxidase, and NF-kappa B were measured in the heart and aorta. Neither body weight nor blood pressure were significantly changed after six weeks of Loni or CoQ10 treatment. Both Loni and CoQ10 decreased the plasma LDL level. Moreover, Loni decreased the total cholesterol level. The total NOS activity did not change in the heart after the treatments. However, in the aorta, Loni treatment increased NOS activity and protein expression of SOD and decreased expressions of NADPH oxidase and NF-kappa B compared to both the control and CoQ10 groups. There were no changes in the eNOS protein expression within the groups. In conclusion, it seems that the antioxidant effect of Loni was responsible for both the decrease of plasma LDL and the total cholesterol levels and the increase of vascular NOS activity.

Study Type : Animal Study

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