Effect of Otostegia persica on naloxone-induced morphine withdrawal syndrome was studied in male mice. Dependence was induced using daily subcutaneous injections of morphine for three days. Morphine was injected to mice at doses of 30 and 45mg/kg on day 1 and 60 and 90mg/kg on day 2 (8:00 am and 6:00 pm). On day 3, morphine (90mg/kg) was injected 1h before oral administration and 1.5h before in...

background: morphine and lidocaine are known to influence the perception of pain. the present study sought to determine the influence of local administration of morphine on lidocaine-induced analgesia in morphine non-dependent (mnd), morphine dependent (md) and morphine withdrawal (mw) animals. methods: adult male wistar rats were divided into four groups: control, mnd, md and mw rats. lidocain...

Some studies have shown that Matricaria recutita (M. recutita) have sedative effect on pain, anxiety and morphine withdrawal syndrome (MWS). Since some investigations have indicated the sedative effects of benzodiazepines in MWS, so the inhibitory factor of M. recutita may be related to some of its benzodiazepine-like components. In this study sedative properties of M. recutita in the presence ...

Objectives: Opioid addiction is associated with long-term adaptive changes in the brain that involve glial activation. Agmatine is an amine formed by the decarboxylation of l-arginine by the enzyme arginine decarboxylase. It binds to α2-adrenergic and imidazoline receptors, and selectively blocks N-methyl-Daspartate receptors. Agmatine treatment was reported to have various biological actions. ...

Objectives: Opioid addiction is associated with long-term adaptive changes in the brain that involve glial activation. Agmatine is an amine formed by the decarboxylation of l-arginine by the enzyme arginine decarboxylase. It binds to α2-adrenergic and imidazoline receptors, and selectively blocks N-methyl-Daspartate receptors. Agmatine treatment was reported to have various biological actions. ...

BACKGROUND Thymus species are well known medicinal plants which the previous studies suggested the involvement of the opioid system in them. OBJECTIVES This study aimed to investigate the effects of methanolic extract and essential oil of aerial parts of Thymus daenensis (TD), an endemic aromatic medicinal plant of Iran, on morphine withdrawal syndrome in mice. MATERIALS AND METHODS Experim...

in the present study, interactive effects of d1 and d2 dopamine receptors antagonists and different periods of lithium pretreatment on morphine dependence in mice have been investigated. this study was designed to investigate whether the hypothesis that lithium and dopaminergic mechanisms via their effects on phosphoinositide pathways and calcium flux could influence morphine withdrawal respons...

BACKGROUND Long-term exposure to opiates induces physical dependence; however, the neurobiological mechanisms of this phenomenon are not completely clear. The purpose of this study was to evaluate the effects of systemic and intracerebroventricular (icv) administration of selegiline (a selective inhibitor of monoamine oxidase B) on the morphine withdrawal syndrome in rats. METHODS To this aim...

This study was designed to assess the effect of five common anticonvulsant drugs on naloxone-precipitated withdrawal syndrome in morphine-dependent mice. Male mice (25-35 g) were made dependent by increasing doses of morphine (30-90 mg/kg). At least three doses of phenytoin, carbamazepine, sodium valproate, lamotrigine and topiramate were injected i.p. to morphine-dependent mice 45 min prior to...

objective: addiction, especially morphine dependence is a prevalence and incurable disease. with regard to low ability of new chemical drugs in treatment of addicted ones and with respect to herbal medicine recommendation due to lower side effects and cheap production. this study experimentally examined the effect of p.harmala on morphine withdrawal syndrome. materials and methods: animals wer...