نتایج جستجو برای: meth sensitized rats
تعداد نتایج: 291135 فیلتر نتایج به سال:
Modafinil, a novel compound for treating excessive sleepiness, potently increases wakefulness in laboratory rodents, cats, monkeys and humans. Although its mechanism of action is unknown, modafinil appears to be unlike classic stimulants. We investigated this generality by testing the selectivity of this compound for wake-promoting effects (e.g., relative to locomotor effects) and homeostatic s...
The repeated administration of methamphetamine (METH) can result in long-lasting decreases in dopamine (DA) levels, tyrosine hydroxylase activity and DA uptake sites in the striatum. However, whether these changes lead to functional alterations in the dynamics of DA release and uptake has not been extensively examined. The present study used in vivo electrochemistry and microdialysis to examine...
Given that the κ opioid receptor (KOR) system has been implicated in psychostimulant abuse, we evaluated whether the selective KOR antagonist norbinaltorphimine dihydrochloride (nor-BNI) would attenuate the escalation of methamphetamine (METH) intake in an extended-access self-administration model. Systemic nor-BNI decreased the escalation of intake of long-access (LgA) but not short-access (Sh...
Methamphetamine (METH) induces neuroinflammatory effects, which may contribute to the neurotoxicity of METH. However, the mechanism by which METH induces neuroinflammation has yet to be clarified. A considerable body of evidence suggests that METH induces cellular damage and distress, particularly in dopaminergic neurons. Damaged neurons release danger-associated molecular patterns (DAMPs) such...
To address the need for effective medications to aid in the treatment of methamphetamine (METH) abuse, we used a nanotechnology approach to customize the in vivo behavior of an anti-METH single chain antibody (scFv7F9Cys). Anti-METH scFv7F9Cys was conjugated to dendrimer nanoparticles via a polyethylene glycol (PEG) linker to generate high-order conjugates termed dendribodies. We found that the...
Behavioral sensitization caused by repeated and intermittent administration of psychostimulants, such as cocaine and D-amphetamine, is accompanied by enhanced function in limbic-motor circuitry that is involved in the generation of motivated behavior. The present microdialysis study investigated the effect of D-amphetamine-induced sensitization on dopamine (DA) efflux in the nucleus accumbens (...
Methamphetamine (METH) is a psychostimulant drug of abuse that produces long-term behavioral changes including behavioral sensitization, tolerance, and dependence. METH has been reported to induce neurotoxic effects in several areas of the brain via the dopaminergic system. Changes of dopamine function can induce malfunction of the glutamatergic system. Therefore, the aim of the present study w...
Methamphetamine (METH) is a psychostimulant that exhibits significant abuse potential. Although METH addiction is a major health and societal concern, no drug is currently approved for its therapeutic management. METH activates the central dopaminergic "reward" circuitry, and with repeated use increases levels of the neuromodulatory peptide neurotensin in the nucleus accumbens and ventral tegme...
Multiple sclerosis is a chronic, autoimmune disease of the central nervous system, which mainly affects young women during a reproductive period of life. Since, its symptoms might be significantly affected by pregnancy, in this study we investigated the development and kinetics of disease in the model of chronic relapsing experimental autoimmune encephalomyelitis (CR-EAE), induced in geneticall...
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