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Age-correlated loss of dopamine uptake sites labeled with [3H]GBR-12935 in human putamen.
Umeå University, Faculty of Medicine, Department of Clinical Sciences, Psychiatry.
1989 (English)In: Neurobiology of Aging, ISSN 0197-4580, E-ISSN 1558-1497, Vol. 10, no 6, 661-4 p.Article in journal (Refereed) Published
Abstract [en]

The effects of age (19-100 years) upon dopamine uptake sites labeled with [3H]GBR-12935 in human postmortem putamen from 20 individuals were studied. There was a 70% decrease in binding density (Bmax) over the adult age range. No significant changes in binding affinity (Kd) were detected, the mean Kd being 1.0 +/- 0.2 nM (mean +/- S.E.M.). Nor were there any changes in binding related to the postmortem delay. Based on the findings that [3H]GBR-12935 labels the uptake site for dopamine, it is suggested that the age-related loss of [3H]GBR-12935 binding in human putamen reflects a degeneration of dopamine neurites.

Place, publisher, year, edition, pages
1989. Vol. 10, no 6, 661-4 p.
URN: urn:nbn:se:umu:diva-36541PubMedID: 2628776OAI: diva2:354633
Available from: 2010-10-04 Created: 2010-10-04 Last updated: 2011-05-17

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