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  • Title: Brain dopamine transporter: gender differences and effect of chronic haloperidol.
    Author: Rivest R, Falardeau P, Di Paolo T.
    Journal: Brain Res; 1995 Sep 18; 692(1-2):269-72. PubMed ID: 8548314.
    Abstract:
    Gender differences and the effect of chronic haloperidol on the rat brain dopamine transporter is reported. The density of striatal dopamine transporter sites labelled with [3H]GBR 12935, and of substantia nigra dopamine transporter mRNA measured by in situ hybridization were higher in female compared to male rats whereas striatal D2 specific binding labelled with [3H]spiperone was not significantly higher. Daily haloperidol treatment (1 mg/kg, i.p.) for 21 days increased striatal [3H]spiperone specific binding but left unchanged striatal [3H]GBR 12935 binding density and affinity as well as substantia nigra dopamine transporter mRNA levels. A reduce clearance rate of dopamine in the striatum after acute and chronic haloperidol was previously reported; the present results indicate that this may occur without changes in the sites of dopamine transport or in gene expression of this transporter.
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