نتایج جستجو برای: dopamine receptor
تعداد نتایج: 621913 فیلتر نتایج به سال:
objective: the present study aimed to review the relapse rate in patients with schizophrenia treated with orally taken atypical agents (serotonin dopamine antagonists, sdas) and depot preparation of conventional (typical) antipsychotics. methods: in this historical cohort study, mean relapse per month (mrm) index, duration between initiation of antipsychotic treatment and the first relapse epis...
background: molecular components of the dopamine receptor (drd3) play an important role in the pathophysiology of schizophrenia (scz). previous studies have demonstrated an association between the drd3 ser9gly polymorphism and scz but the results have been inconclusive. method: in this study, we investigated this controversial association between the ser9gly (a/g) polymorphism and scz using mal...
Background and purpose : Dextromethorphan is a non-competitive NMDÂ receptor antagonist in the glutamatergic system with over 47 years of clinical usage experience as an over-the counter antitussive drug. We previously demonstrated that dextromethorphan modulates the pain threshold in the mouse acetic acid (0.6%,intraperitonealy)-induced writhing test (a tonic and chemical model for chronic p...
Background and purpose : Âscorbic acid, an antioxidant vitamine, is found throughout the mammalian central nervous system (ÇNS). There is evidence that it may modulate neuronal activity, release of neurotransmitters and dopamine receptors activities. There are behavioral evidences supporting the antidopaminergic effect of ascorbic acid. This effect of ascorbic acid may, in part, modulate the ...
The objective of this study was to search for single nucleotide polymorphism (SNP)-type polymorphisms in the dopamine D1 receptor in West Azerbaijani native chicken and look for their association with egg production and body weight traits of chickens by polymerase chain reaction-single strand conformation polymorphism (PCR-SSCP). For this purpose 180 blood samples were taken from nativ...
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...
previous studies had reported that extracellular levels of ascorbic acid have modulatory effects on dopamine receptors. both ascorbic acid and dopamine receptor have an important role in learning and memory processes. however, the central interaction between ascorbic acid and dopamine d2 receptor on spatial learning and memory has not yet been elucidated. all experiments were carried out on mal...
objectives the cause of rheumatoid arthritis (ra) as a chronic inflammatory autoimmune disease is still unknown. it appears that both genetic and environmental factors play a role in its pathogenesis. recent studies reveal that in addition to the cns, immune cells synthesis neurotransmitters so that these catecholamines can regulate immune functions. the aim of this study is to evaluate the dop...
On most adrenergic and cholinergic nerve terminals, prejunctional α-adrenoceptors belonging to the α2-subtype have been identified. Activation of these receptors will decrease the release of norepinephrine. It has been reported that several isolated tissue preparations contain prejunctional dopamine receptors, the stimulation of which inhibits neurotransmission. It has remained uncertain whethe...
objectives the cause of rheumatoid arthritis (ra) as a chronic inflammatory autoimmune disease is still unknown. it appears that both genetic and environmental factors play a role in its pathogenesis. recent studies reveal that in addition to the cns, immune cells synthesis neurotransmitters so that these catecholamines can regulate immune functions. the aim of this study is to evaluate the dop...
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