نتایج جستجو برای: naloxone withdrawal syndrome
تعداد نتایج: 649642 فیلتر نتایج به سال:
Elevation of plasma corticosterone (PCS) has been used as an indicator of morphine withdrawal, but it is not clear whether the magnitude of elevation is related to the intensity of the dependence. The dose-dependent effects of naloxone on PCS and body weight were studied in male Sprague-Dawley rats rendered physically dependent on morphine by injecting increasing doses of 40-120 mg/kg/day, s.c....
Background and Objectives: Serotonergic system has a role in procedure of morphine dependence and withdrawal signs incidence. On the other hand it has been shown that antidepressants may reduce the abuse susceptibility of opioids . So, the aim of this study was to investigate the effect of citalopram as a selective serotonin reuptake inhibitor (SSRIs) antidepressant on morphine withdrawal sig...
Increased gastrointestinal motility in mice as one of the withdrawal symptoms of commonly abused drugs like diazepam or morphine and its possible mechanism of action was studied. Male Laka mice (20-25 g) were made addict to either diazepam (20 mg/kg, ip for 7 days) or morphine (10 mg/kg, sc for 9 days). Withdrawal symptoms were noted 24 hr after the last injection of diazepam or morphine. The a...
Background and purpose: The harmful effects of morphine on the liver after withdrawal syndrome are unclear. In this experiment, we investigated the effects of exercise on oxidative stress, liver inflammation, liver enzymes, and liver histology after morphine withdrawal in rats. Materials and methods: In this experimental study, male Wistar rats (n=30) were randomly divided into five groups: ...
Recent data suggest that opioid receptors are involved in the development of nicotine physical dependence in mammals. Evidence in support of a similar involvement in an invertebrate (Planaria) is presented using the selective opioid receptor antagonist naloxone, and the more receptor subtype-selective antagonists CTAP (D-Phe-Cys-Tyr-D-Trp-Arg-Thr-Pen-Thr-NH2) (μ, MOR), naltrindole (δ, DOR), and...
Levodopa withdrawal and the neuroleptic malignant syndrome Sir, In the paper: 'Levodopa withdrawal syndrome identical to neuroleptic-malignant syndrome' (Gibb & Griffith, 1986) the authors suggested that sudden withdrawal of dopaminergic drugs precipitated the development of neuroleptic-malignant syndrome (NMS) in their patient. However, it is difficult to reconcile the wide range of this patie...
Introduction: Opiates cause dependency via affect on central nervous system. Locus coeruleus nucleus is a main group of noradrenergic neurons in the brain that plays an important role in the expression of opioid withdrawal signs. During opioid withdrawal, brain waves change in addition to physical and behavioral signs. In this study, we examined the effects of locus coeruleus electrical sti...
The opiate antagonist naloxone precipitates withdrawal when given either 15 minutes after or 1 minute before a single injection of morphine in drug-naïve mice. We propose that withdrawal signs arise from a synergistic mixture of excitatory influences that are direct (agonistic action on nonspecific opiate receptors) and indirect (sensory and affective disorders, stress, hormonal and neurotransm...
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