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Title: Investigation of gastrin-releasing peptide as a mediator for 5'-guanidinonaltrindole-induced compulsive scratching in mice.
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Title: TRK-820, a selective kappa opioid receptor agonist, could effectively ameliorate L-DOPA-induced dyskinesia symptoms in a rat model of Parkinson's disease.
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Title: Effects of TRK-820, a selective kappa opioid receptor agonist, on rat schizophrenia models.
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Title: Comparison of the diuretic effects of chemically diverse kappa opioid agonists in rats: nalfurafine, U50,488H, and salvinorin A.
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Title: Standard protecting groups create potent and selective kappa opioids: salvinorin B alkoxymethyl ethers.
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Title: Nalfurafine, the kappa opioid agonist, inhibits icilin-induced wet-dog shakes in rats and antagonizes glutamate release in the dorsal striatum.
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Title: Mu and kappa opioid receptor agonists antagonize icilin-induced wet-dog shaking in rats.
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Title: Nalfurafine, a kappa opioid receptor agonist, inhibits scratching behavior secondary to cholestasis induced by chronic ethynylestradiol injections in rats.
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Title: Generalization of NMDA-receptor antagonists to the discriminative stimulus effects of kappa-opioid receptor agonists U-50,488H, but not TRK-820 in rats.
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Title: Spontaneous scratching behavior in MRL/lpr mice, a possible model for pruritus in autoimmune diseases, and antipruritic activity of a novel kappa-opioid receptor agonist nalfurafine hydrochloride.
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Title: Comparison of pharmacological activities of three distinct kappa ligands (Salvinorin A, TRK-820 and 3FLB) on kappa opioid receptors in vitro and their antipruritic and antinociceptive activities in vivo.
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Title: Inhibitory effects of TRK-820 on systemic skin scratching induced by morphine in rhesus monkeys.
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Title: Region-dependent G-protein activation by kappa-opioid receptor agonists in the mouse brain.
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Title: The novel kappa-opioid receptor agonist TRK-820 suppresses the rewarding and locomotor-enhancing effects of morphine in mice.
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Title: TRK-820, a selective kappa-opioid agonist, produces potent antinociception in cynomolgus monkeys.
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