Results 121 to 130 of about 1,069,344 (328)

Novel peptides derived from αs1-casein with opioid activity and mucin stimulatory effect on HT29-MTX cells

open access: yesJournal of Functional Foods, 2016
The opioid effect of αs1-casein fragments related to 143AYFYPEL149 and 144YFYPEL149, which had previously shown mucin-stimulatory activity in human goblet cells, was investigated.
S. Fernández-Tomé   +5 more
doaj  

Transport systems for opioid peptides in mammalian tissues

open access: yesAAPS Journal, 2005
Transmembrane transport of endogenous as well as synthetic opioid peptides is a critical determinant of pharmacokinetics and biologic efficacy of these peptides. This transport process influences the distribution of opioid peptides across the blood-brain
V. Ganapathy, S. Miyauchi
semanticscholar   +1 more source

Microscopy and spectroscopy approaches to study GPCR structure and function

open access: yesBritish Journal of Pharmacology, EarlyView.
Abstract The GPCR signalling cascade is a key pathway responsible for the signal transduction of a multitude of physical and chemical stimuli, including light, odorants, neurotransmitters and hormones. Understanding the structural and functional properties of the GPCR cascade requires direct observation of signalling processes in high spatial and ...
Tomáš Fessl   +2 more
wiley   +1 more source

Arrestin‐centred interactions at the membrane and their conformational determinants

open access: yesBritish Journal of Pharmacology, EarlyView.
Abstract More than 30 years after their discovery, arrestins are recognised multiprotein scaffolds that play essential roles in G protein‐coupled receptor (GPCR) regulation and signalling. Originally named for their capacity to hinder GPCR coupling to G proteins and facilitate receptor desensitisation, arrestins have emerged as key hubs for a myriad of
Owen Underwood   +3 more
wiley   +1 more source

Genetically Engineered Human Mesenchymal Stem Cells Produce Met-Enkephalin at Augmented Higher Levels in Vitro

open access: yesCell Transplantation, 2006
We have reported that transplantation of adrenal medullary chromaffin cells that release endogenous opioid peptides into pain modulatory regions in the CNS produce significant antinociceptive effects in patients with terminal cancer pain.
Ikuko Sugaya   +3 more
doaj   +1 more source

ERNEST COST action overview on the (patho)physiology of GPCRs and orphan GPCRs in the nervous system

open access: yesBritish Journal of Pharmacology, EarlyView.
G protein‐coupled receptors (GPCRs) are a large family of cell surface receptors that play a critical role in nervous system function by transmitting signals between cells and their environment. They are involved in many, if not all, nervous system processes, and their dysfunction has been linked to various neurological disorders representing important
Necla Birgül Iyison   +15 more
wiley   +1 more source

Estradiol and Mu opioid-mediated reward: The role of estrogen receptors in opioid use

open access: yesAddiction Neuroscience, 2023
Opioid use and opioid use disorder are characterized by sex and gender differences, and some of these differences may be mediated by differences in the hormonal milieu within and across individuals.
Sarah B. Ethridge, Mark A. Smith
doaj  

Opioid Atlas: Mapping Access to Pain Medication [PDF]

open access: yesarXiv, 2016
Opiates are some of the most effective pain relief medications available for patients suffering from cancer and surgery-related pain. Despite the affordability and effectiveness of these medications, access to opiates is highly geographically variable. Pain researchers have attributed geographic variation to various factors including the fear of opioid
arxiv  

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