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Open Access The role of atorvastatin in bone metabolism in male albino Wistar rats

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Objective: Statins have been widely used for the treatment of hypercholesterolemia, and recent studies have shown that these drugs also affect bone metabolism. The aim of this experiment was to follow the effect of atorvastatin on bone metabolism in male albino Wistar rats. Methods: Our study was carried out on 16 rats (240 ± 10 g) which were randomly divided into 2 groups of 8 animals. The control group (CO) was given aqua pro injectione (0.2 mL/100 g BW; gavage) and the experimental group atorvastatin suspension (AT; 0.3 mg in 0.2 mL aqua pro inj./100 g BW; gavage) daily for 8 weeks. We examined serum markers of bone turnover using ELISA – C-terminal crosslinking telopeptide of type I collagen (CTX-I), total osteocalcin (total OC), procollagen type I N propeptide (PINP) and bone alkaline phosphatase (bone ALP). We investigated bone morphogenetic protein-2 (BMP-2) in the proximal tibia using Western blot analysis. Additionally, we measured bone mineral density (BMD). The femurs were used for a three-point bending test and compression test of the femoral neck. Results: After 8 weeks of atorvastatin administration, a significant decrease was found in serum level of bone ALP to 30% vs. CO (p = 0.005). PINP, CTX-I and OC did not change significantly. The expression of BMP-2 was increased. There were no significant differences in BMD measurements, three-point bending test or compression test of the femoral neck. Conclusions: Our results suggest that atorvastatin has a positive effect on bone metabolism in rats by maintenance of BMD and the biomechanical characteristics of bone. Atorvastatin influenced bone metabolism by decreasing bone ALP, and probably in consequence increasing expression of BMP-2 in rats.

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Document Type: Research Article

Publication date: August 1, 2011

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  • Pharmazie is a leading journal in the field of pharmaceutical sciences. As a peer-reviewed scientific journal, Pharmazie is regularly indexed in the relevant databases like Web of science, Journal Citation Reports and many others. The journal is open for submissions from the whole spectrum of pharnaceutical sciences including Pharmaceutical Chemistry, Experimental and Clinical Pharmacology, Drug Analysis, Pharmaceutics, Pharmaceutical Biology, Clinical Pharmacy etc.
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