A Saigo

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Nociceptin or orphanin FQ is a novel neuropeptide that activates an opioid-like G protein-coupled receptor ORL1. This heptadecapeptide FGGFTGARKSARKLANQ resembles kappa-opioid peptide dynorphin A but exhibits an opposite effect to make animals hyperreactive to nociceptive stimulations (Meunier, J.-C., Mollereau, C., Toll, L., Suaudeau, C., Moisand, C.,(More)
Intracerebroventricular (i.c.v.) injections of senktide (0.01-10 nmol), a tachykinin NK-3 agonist, had an antidiuretic action in water-loaded rats (4.5% body wt.). Pretreatment with OPC-31260 (1 mg/kg, i.v.), a non-peptide vasopressin V2 antagonist, inhibited the antidiuretic action induced by exogenous arginine vasopressin (AVP, 0.1 micrograms/kg, i.v.)(More)
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