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Chronic Use of Anabolic Steroids and the Effects on the Neuronal Density of the Cerebral Cortex and Hippocampus in Mice

Received: 8 August 2018     Accepted: 21 August 2018     Published: 11 September 2018
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Abstract

This study analyzed the effects of the chronic use of these drugs on the neuronal density of mice cerebral cortex and hippocampus. Materials and methods: 40 male Swiss mice were used, divided into 4 groups (n=10): GI-Control (0,02ml/Kg/week of saline solution), GII- treated with anabolic steroid Durateston® (83,3mg/Kg/week) GIII- treated with anabolic steroid Deca Durabolin® (16,6mg/Kg/week) e GIV- treated with the two anabolic steroids, concomitantly. The mice were treated for sixty days (60) and practiced swimming three times a week. The brain fragments were processed following the standardized sequence in conventional histological procedures and stained using cresyl violet. For the neuronal density analysis, the simple random count methodology was used. Results: Data revealed a significant reduction in the neuronal density of the groups treated with anabolic steroids, the limbic area had an estimated decrease of 16.44% in group III and 29.21% in group IV; the motor area the groups II, III, and IV presented a reduction of 17.63%, 15.35%, and 12.23%, and in the sensory area 15.22%, 16.41% and 21.59%, respectively; the groups II, III, and IV of the Ca1 area of the hippocampus showed a neuronal loss of 23.5%, 27.8%, and 36.36%, while groups II, III and IV of the Ca2 area there was a reduction of 10.37%, 11.83%, and 16.34%. In conclusion, the chronic use of AAS can be harmful to the nervous system since the neuronal reduction can bring structural and functional damages with possible consequences the whole organism.

Published in American Journal of Sports Science (Volume 6, Issue 3)
DOI 10.11648/j.ajss.20180603.18
Page(s) 122-129
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2018. Published by Science Publishing Group

Keywords

Steroids, Cerebral Cortex, Hippocampus, Neuronal Density

References
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Cite This Article
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    Dauanda Kécia Silva, Alessandra Esteves, Flávia Da Ré Guerra, Evelise Aline Soares, Denismar Alves Nogueria, et al. (2018). Chronic Use of Anabolic Steroids and the Effects on the Neuronal Density of the Cerebral Cortex and Hippocampus in Mice. American Journal of Sports Science, 6(3), 122-129. https://doi.org/10.11648/j.ajss.20180603.18

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    ACS Style

    Dauanda Kécia Silva; Alessandra Esteves; Flávia Da Ré Guerra; Evelise Aline Soares; Denismar Alves Nogueria, et al. Chronic Use of Anabolic Steroids and the Effects on the Neuronal Density of the Cerebral Cortex and Hippocampus in Mice. Am. J. Sports Sci. 2018, 6(3), 122-129. doi: 10.11648/j.ajss.20180603.18

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    AMA Style

    Dauanda Kécia Silva, Alessandra Esteves, Flávia Da Ré Guerra, Evelise Aline Soares, Denismar Alves Nogueria, et al. Chronic Use of Anabolic Steroids and the Effects on the Neuronal Density of the Cerebral Cortex and Hippocampus in Mice. Am J Sports Sci. 2018;6(3):122-129. doi: 10.11648/j.ajss.20180603.18

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  • @article{10.11648/j.ajss.20180603.18,
      author = {Dauanda Kécia Silva and Alessandra Esteves and Flávia Da Ré Guerra and Evelise Aline Soares and Denismar Alves Nogueria and Petrus Pires Marques and Wagner Costa Rossi Junior},
      title = {Chronic Use of Anabolic Steroids and the Effects on the Neuronal Density of the Cerebral Cortex and Hippocampus in Mice},
      journal = {American Journal of Sports Science},
      volume = {6},
      number = {3},
      pages = {122-129},
      doi = {10.11648/j.ajss.20180603.18},
      url = {https://doi.org/10.11648/j.ajss.20180603.18},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajss.20180603.18},
      abstract = {This study analyzed the effects of the chronic use of these drugs on the neuronal density of mice cerebral cortex and hippocampus. Materials and methods: 40 male Swiss mice were used, divided into 4 groups (n=10): GI-Control (0,02ml/Kg/week of saline solution), GII- treated with anabolic steroid Durateston® (83,3mg/Kg/week) GIII- treated with anabolic steroid Deca Durabolin® (16,6mg/Kg/week) e GIV- treated with the two anabolic steroids, concomitantly. The mice were treated for sixty days (60) and practiced swimming three times a week. The brain fragments were processed following the standardized sequence in conventional histological procedures and stained using cresyl violet. For the neuronal density analysis, the simple random count methodology was used. Results: Data revealed a significant reduction in the neuronal density of the groups treated with anabolic steroids, the limbic area had an estimated decrease of 16.44% in group III and 29.21% in group IV; the motor area the groups II, III, and IV presented a reduction of 17.63%, 15.35%, and 12.23%, and in the sensory area 15.22%, 16.41% and 21.59%, respectively; the groups II, III, and IV of the Ca1 area of the hippocampus showed a neuronal loss of 23.5%, 27.8%, and 36.36%, while groups II, III and IV of the Ca2 area there was a reduction of 10.37%, 11.83%, and 16.34%. In conclusion, the chronic use of AAS can be harmful to the nervous system since the neuronal reduction can bring structural and functional damages with possible consequences the whole organism.},
     year = {2018}
    }
    

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  • TY  - JOUR
    T1  - Chronic Use of Anabolic Steroids and the Effects on the Neuronal Density of the Cerebral Cortex and Hippocampus in Mice
    AU  - Dauanda Kécia Silva
    AU  - Alessandra Esteves
    AU  - Flávia Da Ré Guerra
    AU  - Evelise Aline Soares
    AU  - Denismar Alves Nogueria
    AU  - Petrus Pires Marques
    AU  - Wagner Costa Rossi Junior
    Y1  - 2018/09/11
    PY  - 2018
    N1  - https://doi.org/10.11648/j.ajss.20180603.18
    DO  - 10.11648/j.ajss.20180603.18
    T2  - American Journal of Sports Science
    JF  - American Journal of Sports Science
    JO  - American Journal of Sports Science
    SP  - 122
    EP  - 129
    PB  - Science Publishing Group
    SN  - 2330-8540
    UR  - https://doi.org/10.11648/j.ajss.20180603.18
    AB  - This study analyzed the effects of the chronic use of these drugs on the neuronal density of mice cerebral cortex and hippocampus. Materials and methods: 40 male Swiss mice were used, divided into 4 groups (n=10): GI-Control (0,02ml/Kg/week of saline solution), GII- treated with anabolic steroid Durateston® (83,3mg/Kg/week) GIII- treated with anabolic steroid Deca Durabolin® (16,6mg/Kg/week) e GIV- treated with the two anabolic steroids, concomitantly. The mice were treated for sixty days (60) and practiced swimming three times a week. The brain fragments were processed following the standardized sequence in conventional histological procedures and stained using cresyl violet. For the neuronal density analysis, the simple random count methodology was used. Results: Data revealed a significant reduction in the neuronal density of the groups treated with anabolic steroids, the limbic area had an estimated decrease of 16.44% in group III and 29.21% in group IV; the motor area the groups II, III, and IV presented a reduction of 17.63%, 15.35%, and 12.23%, and in the sensory area 15.22%, 16.41% and 21.59%, respectively; the groups II, III, and IV of the Ca1 area of the hippocampus showed a neuronal loss of 23.5%, 27.8%, and 36.36%, while groups II, III and IV of the Ca2 area there was a reduction of 10.37%, 11.83%, and 16.34%. In conclusion, the chronic use of AAS can be harmful to the nervous system since the neuronal reduction can bring structural and functional damages with possible consequences the whole organism.
    VL  - 6
    IS  - 3
    ER  - 

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Author Information
  • Institute of Biomedical Sciences, Department of Anatomy, Federal University of Alfenas, Alfenas, Brazil

  • Institute of Biomedical Sciences, Department of Anatomy, Federal University of Alfenas, Alfenas, Brazil

  • Institute of Biomedical Sciences, Department of Anatomy, Federal University of Alfenas, Alfenas, Brazil

  • Medical School, Federal University of Alfenas, Alfenas, Brazil

  • Institute of Exact Sciences, Department of Statistics, Federal University of Alfenas, Alfenas, Brazil

  • Medical School, Department of Morphology, José Vellano University, Unifenas, Alfenas, Brazil

  • Institute of Biomedical Sciences, Department of Anatomy, Federal University of Alfenas, Alfenas, Brazil

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