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Endogenous ligand for the NOP opioid receptor (pKi = 8.6). Has no significant activity at μ, δ or κ opioid receptors (pKi < 6).
|Storage||Desiccate at -20°C|
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
Tocris products are intended for laboratory research use only, unless stated otherwise.
|Solubility||Soluble to 1 mg/ml in water|
References are publications that support the biological activity of the product.
Guerrini et al (2000) Structure-activity relationships of nociceptin and related peptides: comparison with dynorphin A. Peptides 21 923 PMID: 10998526
Henderson and McKnight (1997) The orphan opioid receptor and its endogenous ligand-nociceptin/orphanin FQ. TiPS 18 293 PMID: 9277133
Reinscheid et al (1995) Orphanin FQ: a neuropeptide that activates an opioid like G protein coupled receptor. Science 270 792 PMID: 7481766
Meunier et al (1995) Isolation and structure of the endogenous agonist of opioid receptor-like ORL1 receptor. Nature 377 532 PMID: 7566152
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Keywords: Nociceptin, Nociceptin supplier, Endogenous, NOP, agonists, Nociceptin, Receptors, ORL1, OP4, Opioid, Orphanin, FQ, 0910, Tocris Bioscience
16 Citations for Nociceptin
Citations are publications that use Tocris products. Selected citations for Nociceptin include:
Wang et al (2015) Bupren.-elicited alteration of adenylate cyclase activity in human embryonic kidney 293 cells coexpressing κ-, μ-opioid and nociceptin receptors. Psychopharmacology (Berl) 19 2587 PMID: 26153065
Kelly et al (2015) The opioid receptor pharmacology of GSK1521498 compared to other ligands with differential effects on compulsive reward-related behaviours. Neurochem Res 232 305 PMID: 24973897
Farrag et al (2015) Modulation of voltage-gated Ca2+ channels by G protein-coupled receptors in celiac-mesenteric ganglion neurons of septic rats. BMC Complement Altern Med 10 e0125566 PMID: 26017846
Kokkola et al (2005) S-nitrosothiols modulate G protein-coupled receptor signaling in a reversible and highly receptor-specific manner. BMC Cell Biol 6 21 PMID: 15850493
Kuzmin et al (2004) Evidence in locomotion test for the functional heterogeneity of ORL-1 receptors. Br J Pharmacol 141 132 PMID: 14662736
Wang et al (2019) Nociceptin Receptor Is Overexpressed in Non-small Cell Lung Cancer and Predicts Poor Prognosis. Front Oncol 9 235 PMID: 31024840
McIlwrath and Westlund (2015) Pharmacological attenuation of chronic alcoholic pancreatitis induced hypersensitivity in rats. J Cell Mol Med 21 836 PMID: 25624717
Fox and Hentges (2017) Differential Desensitization Observed at Multiple Effectors of Somatic μ-Opioid Receptors Underlies Sustained Agonist-Mediated Inhibition of Proopiomelanocortin Neuron Activity. J Neurosci 37 8667 PMID: 28821664
Schmid et al (2017) Bias Factor and Therapeutic Window Correlate to Predict Safer Opioid Analgesics. Cell 171 1165 PMID: 29149605
Miranda-Morales et al (2013) Participation of the nociceptin/orphanin FQ receptor in ethanol-mediated locomotor activation and ethanol intake in preweanling rats. Behav Brain Res 245 137 PMID: 23439216
McLeod et al (2001) Nociceptin inhibits cough in the guinea-pig by activation of ORL(1) receptors. World J Gastroenterol 132 1175 PMID: 11250866
Werthwein et al (1999) Further characterization of the ORL1 receptor-mediated inhibition of noradrenaline release in the mouse brain in vitro. Br J Pharmacol 127 300 PMID: 10369486
Giuliani and Maggi (1996) Inhibition of tachykinin release from peripheral endings of sensory nerves by nociceptin, a novel opioid peptide. Br J Pharmacol 118 1567 PMID: 8842416
Popiolek-Barczyk et al (2014) MinCyc enhances the effectiveness of nociceptin/orphanin FQ during neuropathic pain. Biomed Res Int 2014 762930 PMID: 25276817
Kallupi et al (2014) Nociceptin/orphanin FQ decreases glutamate transmission and blocks ethanol-induced effects in the central amygdala of naive and ethanol-dependent rats. Neuropsychopharmacology 39 1081 PMID: 24169802
Lee et al (2011) Differential pharmacological actions of meth. and Bupren. in human embryonic kidney 293 cells coexpressing human μ-opioid and opioid receptor-like 1 receptors. PLoS One 36 2008 PMID: 21671107
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Literature in this Area
Tocris offers the following scientific literature in this area to showcase our products. We invite you to request* your copy today!
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Peptides Involved in Appetite Modulation Scientific Review
Written by Sonia Tucci, Lynsay Kobelis and Tim Kirkham, this review provides a synopsis of the increasing number of peptides that have been implicated in appetite regulation and energy homeostasis; putative roles of the major peptides are outlined and compounds available from Tocris are listed.
Peripheral sensitization is the reduction in the threshold of excitability of sensory neurons that results in an augmented response to a given external stimulus. This poster outlines the excitatory and inhibitory signaling pathways involved in modulation of peripheral sensitization. The role of ion channels, GPCRs, neurotrophins, and cytokines in sensory neurons are also described.