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Int J Sports Med 2013; 34(07): 567-572
DOI: 10.1055/s-0032-1312585
Physiology & Biochemistry
© Georg Thieme Verlag KG Stuttgart · New York

Modulation of Follistatin and Myostatin Propeptide by Anabolic Steroids and Gender

S. Mosler
1   Department of Molecular and Cellular Sports Medicine, German Sport University, Cologne, Germany
,
S. Geisler
2   Institute of Movement and Neurosciences, German Sport University ­Cologne, Cologne, Germany
,
J. Hengevoss
1   Department of Molecular and Cellular Sports Medicine, German Sport University, Cologne, Germany
,
T. Schiffer
3   Outpatient clinic for sports traumatology and public health consultation, German Sport University Cologne, Cologne, Germany
,
M. Piechotta
4   Clinic for Cattle, University of Veterinary Medicine, Hannover, Germany
,
M. Adler
5   Immunoanalytics, Chimera Biotec GmbH, Dortmund, Germany
,
P. Diel
1   Department of Molecular and Cellular Sports Medicine, German Sport University, Cologne, Germany
› Institutsangaben
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Publikationsverlauf



accepted after revision 27. März 2012

Publikationsdatum:
04. April 2013 (online)

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Abstract

The purpose of this pilot study was to investigate the impact of training, anabolic steroids and endogenous hormones on myostatin-interacting proteins in order to identify manipulations of myostatin signalling. To identify whether analysis of the myostatin interacting proteins follistatin and myostatin propeptide is suitable to detect the abuse of anabolic steroids, their serum concentrations were monitored in untrained males, bodybuilders using anabolic steroids and natural bodybuilders. In addition, we analysed follistatin and myostatin propeptide serum proteins in females during menstrual cycle. Our results showed increased follistatin concentrations in response to anabolic steroids. Furthermore, variations of sex steroid levels during the menstrual cycle had no impact on the expression of follistatin and myostatin propetide. In addition, we identified gender differences in the basal expression of the investigated proteins. In general, follistatin and myostatin propeptide concentrations were relatively stable within the same individual both in males and females. In conclusion, the current findings provide an insight into gender differences in myostatin-interacting proteins and their regulation in response to anabolic steroids and endogenous hormones. Therefore our data provide new aspects for the development of doping prevention strategies.

Key words

anabolic steroids - doping - follistatin - immuno-PCR - myostatin - myostatin propeptide
 

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