Year : 2014  |  Volume : 5  |  Issue : 1  |  Page : 21-26

Effects of angiotensin converting enzyme inhibition on adiponectin levels and lipid profile in the ovariectomized-aged rats

1 Department of Pharmacology, Adnan Menderes University, Medical School, Aydin, Turkey
2 Department of Obstetrics and Gynecology, Adnan Menderes University, Medical School, Aydin, Turkey
3 Department of Biochemistry, Adnan Menderes University, Medical School, Aydin, Turkey

Correspondence Address:
Turhan Dost
Department of Medical Pharmacology, Adnan Menderes University, Medical School, Aydin 09010
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0976-500X.124413

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Objective: To investigate the relationship between angiotensin converting enzyme (ACE) and adiponectin and lipid profile in the ovariectomized-aged rats. Materials and Methods: Wistar albino rats were first divided into two groups; control (C) and ovariectomized (OVX). Bilateral ovariectomy were carried out on rats (n = 30) except control group (n = 10). After 6 weeks from ovariectomy, ovariectomized rats were subdivided into three groups; one group received no treatment (OVX), two groups received low dose (OVX + Cap5; 5 mg/kg/day) and high dose (OVX + Cap20; 20 mg/kg/day) captopril (Cap). Body weights were monitored weekly. Adiponectin, triglyceride, cholesterol, high density lipoprotein cholesterol (HDL-C), low density lipoprotein cholesterol (LDL-C), and very low density lipoprotein cholesterol (VLDL-C) levels were measured at the end of the 6 weeks. Results: In the OVX group, body weights increased (P < 0.001). In the OVX + Cap20 group, body weights significantly decreased compared with the OVX group during weeks 5 and 6 (P < 0.05). While adiponectin levels increased in the OVX + Cap5 group (P = 0.014), triglyceride and cholesterol levels decreased in the OVX + Cap20 group (P = 0.016 and P < 0.001, respectively) compared to the OVX group. HDL-C and VLDL-C levels decreased only in OVX + Cap20 group (P < 0.005). Conclusions: ACE inhibitors may be decreasing the ovariectomy-induced weight gain by increasing adiponectin levels, and by affecting lipid profiles. The adipose tissue renin-angiotensin system (RAS) may be playing an important role in the development of adiposity.

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