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Perturbation of the Hematopoietic Profile by Anabolic Androgenic Steroids
Objective. The aim of this study was to investigate the hematopoietic profile in AAS abusers, during or short after their last abuse and approximately six months later. Moreover, we studied if supraphysiological doses of testosterone influence the concentration of hemoglobin and erythropoietin in he...
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Published in: | Journal of Hormones 2014-09, Vol.2014, p.1-7 |
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Main Authors: | , , , , , |
Format: | Article |
Language: | English |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Objective. The aim of this study was to investigate the hematopoietic profile in AAS abusers, during or short after their last abuse and approximately six months later. Moreover, we studied if supraphysiological doses of testosterone influence the concentration of hemoglobin and erythropoietin in healthy volunteers. Design and Methods. Subjects ( N = 31 ) were recruited through an antidoping hotline. The hematological profile was measured when the subjects entered the study and approximately 6 months later. Testosterone enanthate (500 mg) was administered to healthy volunteers ( N = 24 ). Gene expression was studied in human hek293 cells exposed to 1 μM testosterone. Results. Decreased levels of hemoglobin, erythrocyte volume fraction, and erythrocyte counts were observed after 6 months without the use of AAS. Results in volunteers show that hemoglobin increased 3% four and 15 days after testosterone administration, whereas EPO was significantly increased by 38% four days after dose. Agreeingly, in vitro study shows that testosterone induces the mRNA level of EPO with 65% after 24-hour exposure. Conclusion. These results indicate that supraphysiological doses of testosterone may cause a perturbation in the hematopoietic profile. This is of interest in relation to the adverse cardiovascular effects observed in AAS abusers. |
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ISSN: | 2356-7449 2314-6222 |
DOI: | 10.1155/2014/510257 |