Results 91 to 100 of about 18,176 (269)

Effect of opioid receptors agonists on feeding behaviour using different diets in ad libitum fed neonatal chicken

open access: yesCzech Journal of Animal Science, 2017
Despite progress in studying the role of opioids in reward, the effect of opioid receptors on feeding behaviour in ad libitum fed meat-type chicken offered different diet types is still unclear.
Shoresh Arva   +5 more
doaj   +1 more source

Structure and dynamics of dynorphin peptide and its receptor [PDF]

open access: yesarXiv, 2019
Dynorphin is a neuropeptide involved in pain, addiction and mood regulation. It exerts its activity by binding to the kappa opioid receptor (KOP) which belongs to the large family of G-protein coupled receptors. The dynorphin peptide was discovered in 1975, while its receptor was cloned in 1993.
arxiv  

Progress on the development of Class A GPCR‐biased ligands

open access: yesBritish Journal of Pharmacology, EarlyView.
Class A G protein‐coupled receptors (GPCRs) continue to garner interest for their essential roles in cell signalling and their importance as drug targets. Although numerous drugs in the clinic target these receptors, over 60% GPCRs remain unexploited. Moreover, the adverse effects triggered by the available unbiased GPCR modulators, limit their use and
Paula Morales   +20 more
wiley   +1 more source

Mu, delta, and kappa opioid receptor mRNA expression in the rat CNS: An in situ hybridization study [PDF]

open access: yes, 1994
The Μ, Δ, and Κ opioid receptors are the three main types of opioid receptors round in the central nervous system (CNS) and periphery. These receptors and the peptides with which they interact are important in a number of physiological functions ...
Aghajanian   +132 more
core   +1 more source

Evaluation of in silico approach for prediction of presence of opioid peptides in wheat

open access: yesJournal of Functional Foods, 2018
Opioid like morphine and codeine are used for the management of pain, but are associated with serious side-effects limiting their use. Wheat gluten proteins were assessed for the presence of opioid peptides on the basis of tyrosine and proline within ...
Swati Garg   +3 more
doaj  

Opioids and opioid receptors; understanding pharmacological mechanisms as a key to therapeutic advances and mitigation of the misuse crisis

open access: yesBJA Open, 2023
Opioids are a mainstay in acute pain management and produce their effects and side effects (e.g., tolerance, opioid-use disorder and immune suppression) by interaction with opioid receptors.
David G. Lambert
doaj  

Protein connectivity in chemotaxis receptor complexes [PDF]

open access: yes, 2015
The chemotaxis sensory system allows bacteria such as Escherichia coli to swim towards nutrients and away from repellents. The underlying pathway is remarkably sensitive in detecting chemical gradients over a wide range of ambient concentrations. Interactions among receptors, which are predominantly clustered at the cell poles, are crucial to this ...
arxiv   +1 more source

The path to the G protein‐coupled receptor structural landscape: Major milestones and future directions

open access: yesBritish Journal of Pharmacology, EarlyView.
G protein‐coupled receptors (GPCRs) play a crucial role in cell function by transducing signals from the extracellular environment to the inside of the cell. They mediate the effects of various stimuli, including hormones, neurotransmitters, ions, photons, food tastants and odorants, and are renowned drug targets.
Małgorzata M. Kogut‐Günthel   +11 more
wiley   +1 more source

An opioid-like system regulating feeding behavior in C. elegans [PDF]

open access: yes, 2015
Neuropeptides are essential for the regulation of appetite. Here we show that neuropeptides could regulate feeding in mutants that lack neurotransmission from the motor neurons that stimulate feeding muscles. We identified nlp-24 by an RNAi screen of 115
Artyukhin, Alexander B.   +3 more
core   +3 more sources

Preclinical models for evaluating psychedelics in the treatment of major depressive disorder

open access: yesBritish Journal of Pharmacology, EarlyView.
Psychedelic drugs have seen a resurgence in interest as a next generation of psychiatric medicines with potential as rapid‐acting antidepressants (RAADs). Despite promising early clinical trials, the mechanisms which underlie the effects of psychedelics are poorly understood.
Laith Alexander   +5 more
wiley   +1 more source

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