stephania venosa/dopamine

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L-Stepholidine, a naturally occurring dopamine D1 receptor agonist and D2 receptor antagonist, attenuates heroin self-administration and cue-induced reinstatement in rats.

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Opiate addiction is a chronic, relapsing brain disease characterized by persistent and uncontrolled drug-seeking behavior despite negative effects. L-Stepholidine (L-SPD) is an alkaloid extract of the Chinese herb Stephania intermedia with dopamine D1 receptor partial agonistic and D2 receptor

L-stepholidine, a natural dopamine receptor D1 agonist and D2 antagonist, inhibits heroin-induced reinstatement.

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L-Stepholidine (l-SPD), an alkaloid extract of the Chinese herb Stephania intermedia, is the first compound known to exhibit mixed dopamine D1 receptor agonist/D2 antagonist properties and is a potential medication for the treatment of opiate addiction. The aim of the present study was to

Biosynthesis of bisbenzylisoquinoline alkaloids in cultured roots of Stephania cepharantha.

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Cultured roots of Stephania cepharantha, which are rich sources of bisbenzylisoquinoline alkaloids, were fed 14C-labelled tyrosine, tyramine or dopamine. While tyrosine was well incorporated into the bisbenzylisoquinolines, tyramine and dopamine were poorly incorporated. Incorporated tyrosine was

The Neuroprotective Effect of L-Stepholidine on Methamphetamine-Induced Memory Deficits in Mice.

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Repeated methamphetamine (METH) exposure can cause severe neurotoxicity to the central nervous system, and lead to memory deficits. L-Stepholidine (L-SPD) is a structurally identified alkaloid extract of the Chinese herb Stephania intermedia, which elicits dopamine (DA) D1-type receptors partial

Effects of (-)stepholidine in animal models for schizophrenia.

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OBJECTIVE (-)Stepholidine (SPD) is an active ingredient of the Chinese herb Stephania intermedia, which binds to the dopamine D(1) and D(2) like receptors. Biochemical, electrophysiological and behavioural experiments have provided strong evidence that SPD is both a D(1) and a D(2) antagonist, which

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