[H]WIN 35,428 binding in the human brain |
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Authors: | Per Allard Jan O. Marcusson Svante B. Ross |
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Affiliation: | aDepartment of Psychiatry, University of Umeå, S-901 85 Umeå ,Sweden;bDepartment of Geriatric Medicine, University of Linkoping, Linköping ,Sweden;cAstra Arcus AB, Södertälje ,Sweden |
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Abstract: | The binding of [3H]WIN 35,428 was studied in post-mortem human brain, including extrastriatal regions. In the putamen, dopamine almost completely inhibited the [3H]WIN 35,428 binding. Paroxetine inhibited the binding with similar affinity as cocaine, in the range 200–300 nM. In the frontal cortex, [3H]WIN 35,428 labelled cocaine- and alaproclate sensitive binding sites, of which a major fraction was of protein nature. The elucidation of the cocaine sensitive sites in the frontal cortex should be the subject of further research. |
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Keywords: | [3H]WIN 35,428 Dopamine uptake site Cocaine binding site Human brain |
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