New, potent cocaine analogs: ligand binding and transport studies in rat striatum
- PMID: 2079102
- DOI: 10.1016/0014-2999(90)90627-i
New, potent cocaine analogs: ligand binding and transport studies in rat striatum
Abstract
Two potent cocaine analogs have been developed that have the highest known affinities for the cocaine binding site in rat striatum. Both 3 beta-(4-chlorophenyl)- (RTI-COC-31) and 3 beta-(4-methylphenyl)-tropane-2-carboxylic acid methyl ester (RTI-COC-32) compete for [3H]WIN 35,428 and [3H]mazindol binding with a IC50 that is 100 times more potent than that of (-) cocaine. Additionally, these compounds inhibit [3H]dopamine uptake with a similar, high potency. These results may lead to the development of high affinity probes for the cocaine binding site.
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