Results 51 to 60 of about 54,036 (205)

In vitro and in vivo pharmacological activities of 14-o-phenylpropyloxymorphone, a potent mixed mu/delta/kappa-opioid receptor agonist with reduced constipation in mice [PDF]

open access: yes, 2018
Pain, particularly chronic pain, is still an unsolved medical condition. Central goals in pain control are to provide analgesia of adequate efficacy and to reduce complications associated with the currently available drugs.
Lattanzi, Roberta   +4 more
core   +2 more sources

Morphine Reduces Expression of TRPV1 Receptors in the Amygdala but not in the Hippocampus of Male Rats

open access: yesIranian Journal of Medical Sciences, 2014
Background: Chronic use of opioids usually results in physical dependence. The underlying mechanisms for this dependence are still being evaluated. Transient receptor potential vanilloid type 1 (TRPV1) are important receptors of pain perception.
Elham Hakimizadeh   +5 more
doaj  

Impairment of value-based decision-making in morphine-dependent rats is partly related to neural connectivity between the anterior cingulate cortex and basolateral amygdala

open access: yesEXCLI Journal : Experimental and Clinical Sciences
Previous studies have established that the amygdala specifically the basolateral amygdala (BLA), has a fundamental role in decision-making. The present study aimed to investigate functional and neural synchronization between the BLA and anterior ...
Zahra Fatahi   +2 more
doaj   +1 more source

Trends in long-term prescribing of dependence forming medicines [PDF]

open access: yes, 2019
Using patient-level primary care data to estimate the extent to which antidepressant medicines are prescribed to people continuously for long periods of time.
McManus, S.   +3 more
core  

Trends and characteristics of accidental and intentional codeine overdose deaths in Australia [PDF]

open access: yes, 2015
Examines trends in codeine-related mortality rates in Australia, and the clinical and toxicological characteristics of codeine-related deaths. Abstract Objectives: To examine trends in codeine-related mortality rates in Australia, and the clinical and ...
Amanda Roxburgh   +6 more
core   +1 more source

Buprenorphine added on brief cognitive behavioral therapy for treatment of methamphetamine use disorder [PDF]

open access: yes, 2018
Background: Methamphetamine (MA) use remains a major public health concern around the world. Recent findings suggest that buprenorphine may be helpful for cocaine use reduction. Moreover, animal studies described reduced dopamine peak effect following MA
Dean AJ   +10 more
core   +1 more source

ffects of morphine_ dependence on the induction and modulation of epileptic seizures in rats [PDF]

open access: yesJournal of Kerman University of Medical Sciences, 1997
Kindling is a very suitable animal model for studying basis mechanisms of epilepsy. In this model , repeated exposure to weak electrical or chemical increases neuronal excitability and there fore decreases the threshold for induction of epileptic ...
N Atapour, M Niyazi
doaj  

Matricaria chamomilla Extract Inhibits Both Development of Morphine Dependence and Expression of Abstinence Syndrome in Rats

open access: yesJournal of Pharmacological Sciences, 2003
The effect of Matricaria chamomilla (M. chamomilla) on the development of morphine dependence and expression of abstinence was investigated in rats.
Adel Gomaa   +3 more
doaj   +1 more source

The Effect of Memantine on the Expression of Dopamine Receptors in the Striatum of Male Rats With Morphine Addiction [PDF]

open access: yesMajallah-i Dānishgāh-i ̒Ulūm-i Pizishkī-i Qum, 2023
Background and Objectives: Studies have indicated that the chronic use of morphine can result in physical and psychological dependence. Morphine dependence is associated with several cellular and molecular alterations in the mesocorticolimbic system, and
Sahar Khalili Samani   +5 more
doaj  

The effect of morphine upon DNA methylation in ten regions of the rat brain [PDF]

open access: yes, 2017
Morphine is one of the most effective analgesics in medicine. However, its use is associated with the development of tolerance and dependence. Recent studies demonstrating epigenetic changes in the brain after exposure to opiates have provided insight ...
Baccarelli, A   +7 more
core   +1 more source

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