Ryuichi Fukui

3Akinori Nishi
2Hideho Higashi
1Tatsuhiko Kano
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Studies in animal models of Parkinson's disease have revealed that degeneration of noradrenaline neurons is involved in the motor deficits. Several types of adrenoceptors are highly expressed in neostriatal neurons. However, the selective actions of these receptors on striatal signaling pathways have not been characterized. In this study, we investigated(More)
Neurotensin is a neuropeptide involved in dopaminergic signalling. We have recently reported that neurotensin stimulates the phosphorylation of DARPP-32 (dopamine- and cAMP-regulated phosphoprotein of Mr 32 kDa) at Thr34 (PKA-site) by activating dopamine D1-type receptors in neostriatal neurons. DARPP-32 is also phosphorylated by cyclin-dependent kinase 5(More)
Methylphenidate (MPH), a dopamine uptake inhibitor, is the most commonly prescribed drug for the treatment of attention-deficit/hyperactivity disorder (ADHD) in children. We examined the effect of MPH on dopamine- and cAMP-regulated phosphoprotein, Mr 32 kDa (DARPP-32) phosphorylation at Thr34 (PKA-site) and Thr75 (Cdk5-site) using neostriatal slices from(More)
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