نتایج جستجو برای: catalepsy
تعداد نتایج: 551 فیلتر نتایج به سال:
The aim of this research was to prove the speculation that phenylxanthine (PX) derivatives possess adenosine A2A receptor (A2AR)-blocking properties and to screening and evaluate these PX derivatives as dual A2AR antagonists/MAO-B inhibitors for Parkinson's disease. To explore this hypothesis, two series of PX derivatives were prepared and their antagonism against A2AR and inhibition against MA...
AIMS To characterize the relationship between dopamine D(2) receptor-associated responses and operant ethanol self-administration in Wistar rats. METHODS Thirty-two rats were first tested for apomorphine-induced sniffing and raclopride-induced catalepsy. Subsequently, the same subjects were initiated to lever press for ethanol in the sucrose-fading procedure. The subjects were allowed to resp...
The present study was undertaken to evaluate the possible protective effect of thymoquinone on chlorpromazine induced catalepsy, locomotor activity and cerebral oxidative stress in rats. The rats were divided into four groups, each group containing eight animals. The animals were evaluated after repeated administration of chlorpromazine (CPZ) 30 min before the administration of thymoquinone (TQ...
Article history: Received on: 19/11/2013 Revised on: 10/12/2013 Accepted on: 05/03/2013 Available online: 27/04/2014 The neuropharmacological activity of different doses (100, 200, 400 mg/kg/p.o.) of petroleum ether (SIP), methanolic (SIM) and aqueous extract (SIA) obtained from Sphaeranthus indicus Linn were studied in mice. Sphaeranthus indicus was evaluated for its effect on motor coordinati...
Previously it has been shown in rats that both ketamine and morphine induced analgesia and, at larger doses, catalepsy and loss of the righting reflex, all of which were reversed by naloxone at widely different doses. Tolerance developed rapidly to either ketamine or morphine and there was cross-tolerance from ketamine to morphine. However, morphine potentiated the cataleptic effect of ketamine...
Parkinson's disease (PD) a neurodegenerative disorder for which no preventive or long-term effective treatment strategies are available. Epidemiologic studies have failed to identify specific environmental, dietary or lifestyle risk factors for PD. However, oxidative stress in the SN is the most broadly accepted hypothesis for the etiopathology of PD. The Symptoms do not appear until there is a...
The effects of spironolactone, a non-selective aldosterone antagonist, were examined on thermally-induced pain using the hot-plate and tail-flick tests, on chemogenic pain induced by intraplantar capsaicin, on electrically-induced pain, on visceral nociception induced by intraperitoneal acetic acid injection and on haloperidol-induced catalepsy in mice. Spironolactone significantly shortened re...
BACKGROUND Cancer is commonly perceived as life-threatening and universally stressful; however, brief psychotic disorder, which occurs in response to extremely stressful events, has not been reported. CASE PRESENTATION A 63-year-old woman, who was diagnosed as having pancreatic cancer with liver metastasis, became unresponsive with very little reaction to verbal contact after sequential life-...
Nootropic effect of alcoholic (ALE; 50, 75, 100 mg/kg) and aqueous (AQE; 100, 200, 400 mg/kg) extracts of P. tuberosa was evaluated by using Elevated Plus Maze (EPM), scopolamine-induced amnesia (SIA), diazepam-induced amnesia (DIA), clonidine-induced (NA-mediated) hypothermia (CIH), lithium-induced (5-HT mediated) head twitches (LIH) and haloperidol-induced (DA- mediated) catalepsy (HIC) model...
BACKGROUND The use of opioids for pain management is often associated with nausea and vomiting. Although conventional antipsychotics are often used to counter emesis, they can be associated with extrapyramidal symptoms. However, chronic pain can induce sleep disturbance. The authors investigated the effects of the atypical antipsychotic olanzapine on morphine-induced emesis and the sleep dysreg...
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