Open Access

Determination of DNA damage and telomerase activity in stanozolol-treated rats

  • Authors:
    • Mehtap Kara
    • Eren Ozcagli
    • Persefoni Fragkiadaki
    • Tugba Kotil
    • Polychronis D. Stivaktakis
    • Demetrios A. Spandidos
    • Aristides M. Tsatsakis
    • Buket Alpertunga
  • View Affiliations

  • Published online on: December 15, 2016     https://doi.org/10.3892/etm.2016.3974
  • Pages: 614-618
  • Copyright: © Kara et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

Anabolic androgenic steroids (AAS) are performance-enhancing drugs commonly abused by atheletes. Stanozolol is a synthetic testosterone-derived anabolic steroid. Although it is well known that AAS have several side-effects, there are only few toxicological studies available on the toxic effects and mechanisms of action of stanozolol. The aim of this study was to investigate the genotoxic effects of stanozolol and to determine its effects on telomerase activity in Sprague‑Dawley male rats. For this purpose, 34 male rats were divided into 5 groups as follows: i) the control group (n=5); ii) the propylene glycol (PG)-treated group (n=5); iii) the stanozolol-treated group (n=8); iv) the PG‑treated group subjected to exercise (n=8); and v) the stanozolol‑treated group subjected to exercise (n=8). PG is used as a solvent control in our study. Stanozolol (5 mg/kg) and PG (1 ml/kg) were injected subcutaneously 5 days/week for 28 days. After 28 days, the animals were sacrificed, and DNA damage evaluation (comet assay) and telomerase activity assays were then performed using peripheral blood mononuclear cells (PBMCs). Telomerase activity was measured by using the TeloTAGGG Telomerase PCR ELISA PLUS kit. The results of this study revealed that stanozolol treatment induced DNA damage, while exercise exerted a protective effect. Stanozolol treatment without exercise stimulation was associated with a significant increase in telomerase activity in the PBMCs.

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February-2017
Volume 13 Issue 2

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Spandidos Publications style
Kara M, Ozcagli E, Fragkiadaki P, Kotil T, Stivaktakis PD, Spandidos DA, Tsatsakis AM and Alpertunga B: Determination of DNA damage and telomerase activity in stanozolol-treated rats. Exp Ther Med 13: 614-618, 2017
APA
Kara, M., Ozcagli, E., Fragkiadaki, P., Kotil, T., Stivaktakis, P.D., Spandidos, D.A. ... Alpertunga, B. (2017). Determination of DNA damage and telomerase activity in stanozolol-treated rats. Experimental and Therapeutic Medicine, 13, 614-618. https://doi.org/10.3892/etm.2016.3974
MLA
Kara, M., Ozcagli, E., Fragkiadaki, P., Kotil, T., Stivaktakis, P. D., Spandidos, D. A., Tsatsakis, A. M., Alpertunga, B."Determination of DNA damage and telomerase activity in stanozolol-treated rats". Experimental and Therapeutic Medicine 13.2 (2017): 614-618.
Chicago
Kara, M., Ozcagli, E., Fragkiadaki, P., Kotil, T., Stivaktakis, P. D., Spandidos, D. A., Tsatsakis, A. M., Alpertunga, B."Determination of DNA damage and telomerase activity in stanozolol-treated rats". Experimental and Therapeutic Medicine 13, no. 2 (2017): 614-618. https://doi.org/10.3892/etm.2016.3974