نتایج جستجو برای: apomorphine
تعداد نتایج: 1263 فیلتر نتایج به سال:
Administration of the dopamine receptor agonist apomorphine causes a dose-dependent increase in plasma oxytocin concentrations and dose-specific behavioral changes in rodents. To investigate whether dopamine receptor agonists will elicit similar neuroendocrine and behavioral effects in primates, we administered graded doses of apomorphine and the respective dopamine D1 and D2 receptor agonists,...
Amisulpride, a benzamide derivative, is an antipsychotic drug with a pharmacological profile distinct from that of classical neuroleptics such as haloperidol and from that of another benzamide, remoxipride. In mice, amisulpride antagonized hypothermia induced by apomorphine, quinpirole or (+/-) 7-hydroxy-2-(di-n-propylamino)-tetralin, an effect involving D2/D3 receptors, at similar doses (ED50 ...
Locomotor responses caused by dopamine receptor agonists with presumed specificity for D-1 or D-2 receptor subtypes were compared to apomorphine-induced locomotion in neonatally and adult 6-hydroxydopamine (6-OHDA)-treated rats. In adult 6-OHDA-treated rats, apomorphine and the D-2 agonist, LY-171555, produced a marked, dose-related increase in locomotor activity. Increases in locomotion observ...
Objective: Curcumin is a major constituent of turmeric and influences many functions of the brain. In the present study, we investigated the effect of curcumin on yawning induced by apomorphine in rats. Materials and Methods: Curcumin administered orallyfor 10 consecutive days. Yawning was induced by subcutaneous (s.c.) injection of apomorphine (a dopamine receptor agonist) and the number of ya...
Optimizing the treatment of idiopathic Parkinson’s disease is a complex, multifaceted and continuous process that directly affects quality life. The main position this review need for individualized therapy provides optimal motor function with least negative consequences. Apomorphine, dopamine agonist used as emergency patients fluctuations potential positive effect on non-motor symptoms, only ...
In this study the effects of bromocriptine and apomorphine (dopamine receptor agonists) on electrical field induced twitch response of longitudinal muscle of guinea-pig illeum was investigated. Bromocriptine and apomorphine dose dependently inhibited illeal contraction. IC50 for this inhibitory effects were 6.22±0.645×10^-7 M and 5.48±0.647×10^-6 M, respectively. sulpiride (a specific D2 dopami...
In the present study, the effects of intra-cerebral hippocampus (CA1) injections of apomorphine D1, D2-like receptors agonists on morphine-induced place preference in male Wistar rats have been investigated. Subcutaneous administration of different dose of morphine sulphate (1, 3, 6 and 9 mg/kg) produced a dose-dependent conditioned place preference (CPP). Intra-cerebral hippocampus (CA1) admin...
Apomorphine is currently used as a dopamine agonist to treat advanced Parkinson Disease. In the present study, we developed sensitive, simple, reliable, and robust HPLC method for quality control of apomorphine hydrochloride in bulk drug pharmaceutical formulations. C18 column was separation. Isocratic elution performed using mobile phase A: 50 mM potassium dihydrogen phosphate solution (pH:3 w...
intramascular (im) administration of apomorphine (a mixed d1/d2 dopamine receptors agonist 0.2-1.6 mg/kg) induced pecking, a stereotype behavior in pigeons in a dose- dependent manner. in this study the effect of lithium (li+, 240 mg/kg, im) and ami-193 (a new 5-ht2 antagonist, 0.003 mg/pigeon) on apomorphine-induced peking (aip) were investigated. this study showed that li+ and ami-193 did not...
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