Title : Distinct effects of methamphetamine and cocaine on preprodynorphin messenger RNA in rat striatal patch and matrix.

Pub. Date : 2003 Jan

PMID : 12485404






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1 Distinct effects of methamphetamine and cocaine on preprodynorphin messenger RNA in rat striatal patch and matrix. Methamphetamine prodynorphin Rattus norvegicus
2 We and others previously reported that equimolar doses of methamphetamine and cocaine differentially increase preprodynorphin mRNA in striatum: methamphetamine causes a patchy increase, whereas cocaine produces a more homogenous one. Methamphetamine prodynorphin Rattus norvegicus
3 We and others previously reported that equimolar doses of methamphetamine and cocaine differentially increase preprodynorphin mRNA in striatum: methamphetamine causes a patchy increase, whereas cocaine produces a more homogenous one. Methamphetamine prodynorphin Rattus norvegicus
4 In addition, we determined whether doses of cocaine (30 mg/kg) and methamphetamine (2 mg/kg) that produced equivalent increases in extracellular dopamine differentially affected preprodynorphin mRNA expression in striatum of male, Sprague-Dawley rats. Methamphetamine prodynorphin Rattus norvegicus
5 In both experiments, methamphetamine and cocaine differentially affected preprodynorphin mRNA in striatum after 3 h. The high, equimolar dose of methamphetamine selectively increased preprodynorphin mRNA in the patch division of rostral striatum, whereas cocaine increased preprodynorphin mRNA throughout patch and matrix divisions of striatum. Methamphetamine prodynorphin Rattus norvegicus
6 In both experiments, methamphetamine and cocaine differentially affected preprodynorphin mRNA in striatum after 3 h. The high, equimolar dose of methamphetamine selectively increased preprodynorphin mRNA in the patch division of rostral striatum, whereas cocaine increased preprodynorphin mRNA throughout patch and matrix divisions of striatum. Methamphetamine prodynorphin Rattus norvegicus
7 In both experiments, methamphetamine and cocaine differentially affected preprodynorphin mRNA in striatum after 3 h. The high, equimolar dose of methamphetamine selectively increased preprodynorphin mRNA in the patch division of rostral striatum, whereas cocaine increased preprodynorphin mRNA throughout patch and matrix divisions of striatum. Methamphetamine prodynorphin Rattus norvegicus
8 In both experiments, methamphetamine and cocaine differentially affected preprodynorphin mRNA in striatum after 3 h. The high, equimolar dose of methamphetamine selectively increased preprodynorphin mRNA in the patch division of rostral striatum, whereas cocaine increased preprodynorphin mRNA throughout patch and matrix divisions of striatum. Methamphetamine prodynorphin Rattus norvegicus
9 In both experiments, methamphetamine and cocaine differentially affected preprodynorphin mRNA in striatum after 3 h. The high, equimolar dose of methamphetamine selectively increased preprodynorphin mRNA in the patch division of rostral striatum, whereas cocaine increased preprodynorphin mRNA throughout patch and matrix divisions of striatum. Methamphetamine prodynorphin Rattus norvegicus
10 In both experiments, methamphetamine and cocaine differentially affected preprodynorphin mRNA in striatum after 3 h. The high, equimolar dose of methamphetamine selectively increased preprodynorphin mRNA in the patch division of rostral striatum, whereas cocaine increased preprodynorphin mRNA throughout patch and matrix divisions of striatum. Methamphetamine prodynorphin Rattus norvegicus