Results 41 to 50 of about 72,155 (213)

Opioid and cannabinoid receptors

open access: yesCurrent Opinion in Neurobiology, 1994
Opioids and cannabinoids are two major classes of drugs with important clinical uses as well as significant side effects. Recently, the three major subtypes of opioid receptors, delta, kappa and mu, have been cloned. Both the endogenous cannabinoids and their receptors have also recently been cloned.
T, Reisine, M J, Brownstein
openaire   +2 more sources

Opioid receptors in GtoPdb v.2021.3 [PDF]

open access: yes, 2021
Opioid and opioid-like receptors are activated by a variety of endogenous peptides including [Met]enkephalin (met), [Leu]enkephalin (leu), β-endorphin (β-end), α-neodynorphin, dynorphin A (dynA), dynorphin B (dynB), big dynorphin (Big dyn),
Schulz, Stefan   +29 more
core   +2 more sources

Somatostatin and opioid receptors do not regulate proliferation or apoptosis of the human multiple myeloma U266 cells

open access: yesJournal of Experimental & Clinical Cancer Research, 2009
Background opioid and somatostatin receptors (SSTRs) that can assemble as heterodimer were individually reported to modulate malignant cell proliferation and to favour apoptosis.
Allouche Stéphane   +4 more
doaj   +1 more source

Delta opioid receptors regulate temporoammonic-activated feedforward inhibition to the mouse CA1 hippocampus. [PDF]

open access: yesPLoS ONE, 2013
The opioid system influences learning and memory processes. However, neural mechanisms underlying the modulation of hippocampal activity by opioid receptors remain largely unknown. Here, we compared how mu and delta receptors operate within the mouse CA1
Xavier Rezai   +3 more
doaj   +1 more source

The Role of Opioids on Motor Activity in Physio-pathological Conditions [PDF]

open access: yes, 2009
To date, four principal classes of opioid peptide receptors, μ (MOP), κ (KOP), δ (DOP) and ORL- 1 (NOP) have been identified and cloned. The experimental and clinical importance of this receptor family has been amply demonstrated in many diseases ...
Mabrouk, Omar Sharif
core  

Butorphanol: Effects of a Prototypical Agonist-Antagonist Analgesic on κ-Opioid Receptors

open access: yesJournal of Pharmacological Sciences, 2005
The opioid analgesic, butorphanol (17-cyclobutylmethyl-3,14-dihydroxymorphinan) tartrate is a prototypical agonist-antagonist opioid analgesic agent whose potential for abuse has been the cause of litigation in the United States.
Stephen Commiskey   +3 more
doaj   +1 more source

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   +1 more source

The role of the μ-opioid receptors in the mechanism of ethanol-stimulated mesolimbic dopamine release [PDF]

open access: yes, 2009
textThe goal of this dissertation was to investigate the role of μ-opioid receptors in the mechanism of ethanol-stimulated dopamine release in the nucleus accumbens shell (NAcS) of rats.
Job, Martin Olufemi
core  

A Survey of Molecular Imaging of Opioid Receptors [PDF]

open access: yes, 2019
The discovery of endogenous peptide ligands for morphine binding sites occurred in parallel with the identification of three subclasses of opioid receptor (OR), traditionally designated as μ, δ, and κ, along with the more recently defined opioid-receptor-
Olberg, Dag Erlend   +10 more
core   +1 more source

Stress-evoked opioid release inhibits pain in major depressive disorder [PDF]

open access: yes, 2008
To determine whether stress-evoked release of endogenous opioids might account for hypoalgesia in major depressive disorder (MDD), the μ-opioid antagonist naltrexone (50 mg) or placebo was administered double-blind to 24 participants with MDD and to 31 ...
Frew, A.K., Drummond, P.D.
core   +1 more source

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