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BAN ORL 24 is an antagonist of the nociceptin (NOP) receptor (Ki = 0.24 nM in a radioligand binding assay using CHO cell membranes expressing the human receptor).1 It is selective for NOP receptors over μ-, δ-, and κ-opioid receptors (Kis = 0.19, 0.34, and >1 µM, respectively). BAN ORL 24 reduces NOP-induced GTPγS binding (pA2 = 9.98) and calcium mobilization (KB = 0.93 nM) in CHO cells. It inhibits electrically induced twitches in isolated mouse and rat vas deferens, as well as isolated guinea pig ileum, when used at a concentration of 100 nM. BAN ORL 24 (10 mg/kg) reverses thermal and mechanical antinociceptive activities induced by the dual agonist of µ-opioid and NOP receptors BPR1M97 in mice.2
WARNING This product is not for human or veterinary use.
1. Pharmacological characterization of the nociceptin/orphanin FQ receptor non peptide antagonist Compound 24. Eur. J. Pharmacol. 614(1-3), 50-57 (2009).
2. BPR1M97, a dual mu opioid receptor/nociceptin-