Antioxidant enzymes in erythrocytes from hypertension patients receiving lisinopril monotherapy or combined lisinopril plus simvastatin therapy

Kosenko E.A.1, Suslikov A.V.2, Venediktova N.I.1, Kaminsky Y.G.1

1. Institute of Theoretical and Experimental Biophysics, RAS
2. Hospital at Pushchino Scientific Center, RAS
Section: Experimental/Clinical Study
DOI: 10.18097/pbmc20115703335      UDK: 577.121.9; 615.03      PubMed Id: 21863747
Year: 2011  Volume: 57  Issue: 3  Pages: 335-342
Statins and angiotensin-converting enzyme (ACE) inhibitors have beneficial impact on the serum cholesterol and blood pressure. It is supposed that statins and ACE inhibitors may modify the antioxidative status of erythrocytes. The study objective was to compare the effects of two treatments, lisinopril alone vs lisinopril plus simvastatin, on erythrocyte antioxidant enzyme activities. The study involved 32 patients with arterial hypertension, the initial serum total cholesterol, LDL-cholesterol and triglycerides within the normal range. Patients of two groups, each of 16 subjects, were treated with lisinopril (10 mg/day) or with lisinopril (10 mg/day) plus simvastatin (20 mg/day). Before and after 3 and 6 months of follow-up therapy, activities of superoxide dismutase (SOD), catalase, glutathione peroxidase (GPx), glutathione reductase (GLR) in purified erythrocytes were determined. In all patients, significantly higher catalase activity (by 79.3-106.5%, p<0.0001) and significantly lower GPx activity (by 20.7-30.6%, p<0.001) were observed after therapy as compared to the baselines. Just the same results were obtained in both groups (lisinopril and lisinopril + simvastatin), after both periods (3 and 6 month) of treatments. SOD activity was increased only in the lisinopril group and only after 6 months (p=0.0345). No changes of GLR reductase activity were seen under all conditions indicated. Thus, the lisinopril monotherapy and combined lisinopril plus simvastatin therapy exhibit specific, pronounced and equipotent effects on antioxidant enzymes in human erythrocytes. Administration of lisinopril or lisinopril plus simvastatin may protect erythrocytes and other tissues from oxidative damage.
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Kosenko E.A., Suslikov A.V., Venediktova N.I., Kaminsky Y.G. (2011) Biomeditsinskaya khimiya, 57(3), 335-342.
This paper is also available as the English translation:10.1134/S1990750810040128
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