Deterioration of glomerular endothelial surface layer and the alteration in the renal function after a growth promoter boldenone injection in rabbits
- 30 August 2011
- journal article
- Published by SAGE Publications in Human & Experimental Toxicology
- Vol. 31 (5), 465-472
- https://doi.org/10.1177/0960327111420745
Abstract
Boldenone is an anabolic steroid developed for veterinary use. Recently, it is used by bodybuilders in both off-season and precontest, where it is well known for increasing vascularity while preparing for a bodybuilding contest. However, the side effect of this steroid on the human health is still unclear. Therefore, the present study was designed to investigate the possible effect of the growth promoter, boldenone undecylenate, on the function and structure of the rabbit’s kidneys. A total of 36 adult New Zealand rabbits were divided into 4 groups. Control group includes animals that were injected intramuscularly with olive oil and dissected after 3 weeks. Three experimental groups include animals that receive one, two and three intramuscular injections of 5 mg/kg body weight boldenone, and dissected after 3, 6, and 9 weeks, respectively, and the interval of each dose of boldenone was 3 weeks. The biochemical analysis of the blood serum of treated rabbit showed a significant increase in the total protein, urea and creatinine concentrations, with a significant decrease in albumin/globulin (A/G) ratio. At the same time, a significant glomerulus mass reduction that accompanied with the expression of CD34, a marker for endothelial cells deterioration, was also determined. The incidence of the glomerulosclerosis was significantly increased compared with the control group (0.46 ± 0.05, p < 0.05). The glomerulosclerosis scores were 1.32 ± 0.10, 2.14 ± 0.11 and 3.02 ± 0.09 in groups 2, 3 and 4, respectively. These findings suggest that misuse of the boldenone undecylenate may contribute to the occurrence of a chronic renal injury that may lead to a progressive renal failure.Keywords
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