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Text
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URL Address
<a href="http://doi.org/10.1002/syn.21554" target="_blank" rel="noreferrer noopener">http://doi.org/10.1002/syn.21554</a>
Pages
686–693
Issue
8
Volume
66
Dublin Core
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Title
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Nomifensine alters sex differences in striatal dopaminergic function.
Publisher
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Synapse (New York, N.Y.)
Date
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2012
2012-08
Subject
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*Sex Characteristics; 3; 4-Dihydroxyphenylacetic Acid/metabolism; Animals; Dopamine Plasma Membrane Transport Proteins/drug effects/metabolism; Dopamine Uptake Inhibitors/*pharmacology; Dopamine/*metabolism; Female; Inbred Strains; Male; Methamphetamine/pharmacology; Mice; Neostriatum/drug effects/metabolism; Nomifensine/*pharmacology
Creator
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Poth Luke S; O'Connell Bryan P; McDermott Janet L; Dluzen Dean E
Description
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A series of three experiments are presented in which the acute effects of the catecholamine reuptake inhibitor, nomifensine, upon striatal dopaminergic function are compared in female and male mice. In Experiment 1, treatment with nomifensine (5 mg kg(-)(1)), at 30 min prior to injection of methamphetamine (40 mg kg(-)(1)) significantly decreased the amount of striatal dopamine depletion in male, but not female, mice, thereby abolishing the sex difference in methamphetamine-induced neurotoxicity (males \textgreater females). In Experiment 2, the methamphetamine-evoked sex differences in dopamine and DOPAC output from superfused striatal tissue (males \textgreater females) were abolished in mice treated with nomifensine at 30 min prior to tissue removal. In Experiment 3, the potassium chloride-evoked sex differences in dopamine and DOPAC output from superfused striatal tissue (females \textgreater males) were reversed in mice treated with nomifensine at 30 min prior to tissue removal. Taken together these results demonstrate the critical role played by catecholamine transporters in sex differences of dopaminergic function and suggest that this may involve the dopamine transporter, due to its high concentrations within the striatum. Such findings highlight the need for gender-specific considerations in use of treatments that target reuptake transporters function.
Identifier
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<a href="http://doi.org/10.1002/syn.21554" target="_blank" rel="noreferrer noopener">10.1002/syn.21554</a>
Rights
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Article information provided for research and reference use only. All rights are retained by the journal listed under publisher and/or the creator(s).
*Sex Characteristics
2012
3
4-Dihydroxyphenylacetic Acid/metabolism
Animals
Dluzen Dean E
Dopamine Plasma Membrane Transport Proteins/drug effects/metabolism
Dopamine Uptake Inhibitors/*pharmacology
Dopamine/*metabolism
Female
Inbred Strains
Male
McDermott Janet L
Methamphetamine/pharmacology
Mice
Neostriatum/drug effects/metabolism
Nomifensine/*pharmacology
O'Connell Bryan P
Poth Luke S
Synapse (New York, N.Y.)