Irreversible μ, δ and κ opioid receptor antagonist.
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The Journal of pharmacology and experimental therapeutics, 335(3), 674-680 (2010-08-27)
Opioids activate the descending antinociceptive pathway from the ventrolateral periaqueductal gray (vlPAG) by both pre- and postsynaptic inhibition of tonically active GABAergic neurons (i.e., disinhibition). Previous research has shown that short-term desensitization of postsynaptic μ-opioid receptors (MOPrs) in the vlPAG
The effects of an irreversible long term opioid antagonism on circadian rhythms in body temperature (Tb), locomotor activity (Act) and feeding under normal conditions and following lipopolysaccharide administration (LPS; 2.5 mg/kg) have been investigated in unrestrained mice housed at their
Previously, we showed that kappa-selective ligands inhibit adenylyl cyclase in guinea pig cerebellar membranes. The present studies explore the relationship between kappa 1 binding sites (as determined with [3H]U-69,593 binding) and kappa 1-inhibition of adenylyl cyclase (using U-50,488H) in guinea
The effects of acute exposure of the opioid peptide [D-Ala2,N-MePhe4, Gly-ol5]enkephalin (DAMGO) on the mu-opioid receptor were examined in Chinese hamster ovary (CHO) K-1 and baby hamster kidney stable transfectants. In the CHO cell line, acute 1-hr treatment with DAMGO
The Journal of neuroscience : the official journal of the Society for Neuroscience, 29(22), 7341-7348 (2009-06-06)
Buprenorphine is a weak partial agonist at mu-opioid receptors that is used for treatment of pain and addiction. Intracellular and whole-cell recordings were made from locus ceruleus neurons in rat brain slices to characterize the actions of buprenorphine. Acute application
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