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Increased dopamine transporter density in the male rat brain following chronic nandrolone decanoate administration
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Pharmacy, Department of Pharmaceutical Biosciences.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Pharmacy, Department of Pharmaceutical Biosciences.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Pharmacy, Department of Pharmaceutical Biosciences.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Pharmacy, Department of Pharmaceutical Biosciences.
2004 (English)In: Neuroscience Letters, ISSN 0304-3940, E-ISSN 1872-7972, Vol. 356, no 2, 131-134 p.Article in journal (Refereed) Published
Abstract [en]

Adolescent males currently employ anabolic-androgenic steroids (AAS) to become intoxicated, besides the traditional desires of an improved physical appearance and enhanced sports performance. Several studies indicate that AAS affect the brain reward system. Recently chronic administration with nandrolone decanoate to male rats has been shown to increase the dopamine transporter (DAT) density in the striatum visualised in vivo by positron emission tomography. The present study aimed to investigate if the increased DAT density could be confirmed using in vitro autoradiography following a comparable regimen of nandrolone treatment. Specific binding of 50 pM [125I] RTI-55 in the presence of 1 microM citalopram was used to label DAT. Two weeks of nandrolone decanoate administration at the supra-therapeutic doses 1, 5 and 15 mg/kg per day increased DAT density in the caudate putamen at all three doses. In conclusion, this study confirms that chronic nandrolone administration increases dopamine transporter density in the CPU and therefore supports the theory that AAS affects the dopamine system in the male rat brain.

Place, publisher, year, edition, pages
2004. Vol. 356, no 2, 131-134 p.
Keyword [en]
Anabolic Agents, Animals, Autoradiography, Brain/drug effects/metabolism, Comparative Study, Male, Membrane Glycoproteins, Membrane Transport Proteins/*drug effects/metabolism, Nandrolone/*analogs & derivatives/*pharmacology, Nerve Tissue Proteins, Rats, Rats; Sprague-Dawley, Research Support; Non-U.S. Gov't
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Medical and Health Sciences
Identifiers
URN: urn:nbn:se:uu:diva-72693DOI: 10.1016/j.neulet.2003.11.040PubMedID: 14746881OAI: oai:DiVA.org:uu-72693DiVA: diva2:100604
Available from: 2005-05-27 Created: 2005-05-27 Last updated: 2013-09-19Bibliographically approved

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Kindlundh, Anna M SRahman, SadiaLindblom, JonasNyberg, Fred

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