Results 61 to 70 of about 88,456 (270)

Molecular docking study of Papaver alkaloids to some alkaloid receptors [PDF]

open access: yesResearch Journal of Pharmacognosy, 2017
Background and objectives: More than 40 different alkaloids have been obtained from opium the most important of which are morphine, codeine, papaverine, noscapine and tabaine.
A. Nofallah   +3 more
doaj  

Placenta ingestion by rats enhances d- and k-opioid antinociception, but suppresses m-opioid antinociception [PDF]

open access: yes, 2004
Ingestion of placenta or amniotic fluid produces a dramatic enhancement of centrally mediated opioid antinociception in the rat. The present experiments investigated the role of each opioid receptor type (m, d, k) in the antinociception-modulating ...
DiPirro, Jean M., Kristal, Dr. Mark B.
core  

The novel mu-opioid antagonist, GSK1521498, reduces ethanol consumption in C57BL/6J mice. [PDF]

open access: yes, 2015
RATIONALE Using the drinking-in-the-dark (DID) model, we compared the effects of a novel mu-opioid receptor antagonist, GSK1521498, with naltrexone, a licensed treatment of alcohol dependence, on ethanol consumption in mice.
C Giuliano   +33 more
core   +1 more source

Evaluation of Potential Hormonal Activities of Ashwagandha (Withania somnifera)

open access: yesPhytotherapy Research, EarlyView.
ABSTRACT Ashwagandha is a widely used herb in traditional medicine systems, particularly Ayurveda. Despite its extensive tradition, growing concerns regarding its potential endocrinological effects have prompted scientific scrutiny. This review systematically evaluates the current preclinical, clinical, and case study evidence concerning AS's effects ...
Günter Vollmer, Thomas Brendler
wiley   +1 more source

Effect of butorphanol in combination with xylazine during castration of calves: A randomised trial under field conditions

open access: yesVeterinary Record, EarlyView.
Abstract Background In horses, cats and dogs, the opioid butorphanol has been proven effective in management of visceral pain and for peri‐ and postoperative pain relief. The aim of this study was to evaluate physiological responses and indicators of noxious stimuli when adding butorphanol to xylazine for sedation of bull calves during surgical ...
Axel Sannö   +3 more
wiley   +1 more source

Psychedelic‐assisted treatment for substance use disorder: A narrative systematic review

open access: yesAddiction, EarlyView.
Abstract Background and aims This is the first systematic review of the extant literature on all major psychedelic‐assisted treatment for alcohol use disorder (AUD), tobacco use disorder (TUD) and other substance use disorders (SUD). We aimed to summarise the evidence for efficacy of psychedelic‐assisted treatment for AUD, TUD, and SUD; to evaluate its
Theodore Piper   +7 more
wiley   +1 more source

Repeated Administration of Norbinaltorphimine Produces Cumulative Kappa Opioid Receptor Inactivation

open access: yesFrontiers in Pharmacology, 2019
Kappa receptor activation by dynorphins contributes to the anxiogenic, dysphoric, and cognitive disrupting effects of repeated stress, suggesting that kappa receptor antagonists might have therapeutic utility in the treatment of stress disorders.
Charles Chavkin   +2 more
doaj   +1 more source

Binding mode analyses of NAP derivatives as mu opioid receptor selective ligands through docking studies and molecular dynamics simulation [PDF]

open access: yes, 2017
Mu opioid receptor selective antagonists are highly desirable because of their utility as pharmacological probes for receptor characterization and functional studies.
Wang, Huiqun   +2 more
core   +2 more sources

Substance Use and Sex Index version 2 (SUSI‐2): Validation of a brief questionnaire for the measurement of behaviours associated with transmission of blood borne viruses and sexually transmitted infections

open access: yesAddiction, EarlyView.
Abstract Aims This study sought to validate a community‐acceptable Substance Use & Sex Index (SUSI) for use in substance use intervention research. SUSI aims to measure behaviours associated with the transmission of blood‐borne viruses (BBV) and sexually transmitted infections (STI) among people who use substances and incorporate contemporary sexual ...
Brendan Clifford   +9 more
wiley   +1 more source

The effects of kappa opioid agonist RU-1205 on local field potentials and behavior in the discriminative stimulus paradigm

open access: yesФармация и фармакология (Пятигорск)
Kappa opioid receptors play a pivotal role in regulating both physiological and cognitive processes. RU-1205, a benzimidazole derivative acting as a specific kappa opioid receptor agonist, has demonstrated the capacity to modulate neuronal activity ...
K. Yu. Kalitin   +2 more
doaj   +1 more source

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