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[Arg14,Lys15]nociceptin - CAS 236098-40-1

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Category
Main Product
Product Name
[Arg14,Lys15]nociceptin
Catalog Number
236098-40-1
Synonyms
[ARG14,LYS15]NOCICEPTIN;[ARG14, LYS15]NOCICEPTIN/ORPHANIN FQ;[ARG14,LYS15] ORPHANIN FQ;PHE-GLY-GLY-PHE-THR-GLY-ALA-ARG-LYS-SER-ALA-ARG-LYS-ARG-LYS-ASN-GLN
CAS Number
236098-40-1
Molecular Weight
1909.16
Molecular Formula
C82H137N31O22
COA
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MSDS
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Canonical SMILES
CC(C(C(=O)NCC(=O)NC(C)C(=O)NC(CCCNC(=N)N)C(=O)NC(CCCCN)C(=O)NC(CO)C(=O)NC(C)C(=O)NC(CCCNC(=N)N)C(=O)NC(CCCCN)C(=O)NC(CCCNC(=N)N)C(=O)NC(CCCCN)C(=O)NC(CC(=O)N)C(=O)NC(CCC(=O)N)C(=O)O)NC(=O)C(CC1=CC=CC=C1)NC(=O)CNC(=O)CNC(=O)C(CC2=CC=CC=C2)N)O
InChI
InChI=1S/C82H137N31O22/c1-44(101-63(119)42-100-78(133)65(46(3)115)113-76(131)57(38-48-21-8-5-9-22-48)103-64(120)41-98-62(118)40-99-68(123)49(86)37-47-19-6-4-7-20-47)66(121)104-53(26-16-34-95-80(89)90)70(125)108-52(25-12-15-33-85)74(129)112-59(43-114)77(132)102-45(2)67(122)105-54(27-17-35-96-81(91)92)71(126)106-50(23-10-13-31-83)69(124)109-55(28-18-36-97-82(93)94)72(127)107-51(24-11-14-32-84)73(128)111-58(39-61(88)117)75(130)110-56(79(134)135)29-30-60(87)116/h4-9,19-22,44-46,49-59,65,114-115H,10-18,23-43,83-86H2,1-3H3,(H2,87,116)(H2,88,117)(H,98,118)(H,99,123)(H,100,133)(H,101,119)(H,102,132)(H,103,120)(H,104,121)(H,105,122)(H,106,126)(H,107,127)(H,108,125)(H,109,124)(H,110,130)(H,111,128)(H,112,129)(H,113,131)(H,134,135)(H4,89,90,95)(H4,91,92,96)(H4,93,94,97)/t44-,45-,46+,49-,50-,51-,52-,53-,54-,55-,56-,57-,58-,59-,65-/m0/s1
InChIKey
VULLMZOQBGUKAT-VUXBHJHDSA-N
Structure
CAS 236098-40-1 [Arg14,Lys15]nociceptin
Specification
Purity
95%
Storage
2-8ºC
Reference Reading
1.Nociceptin/orphanin FQ inhibits electrically induced contractions of the human bronchus via NOP receptor activation.
Basso M1, Risse PA, Naline E, Calo G, Guerrini R, Regoli D, Advenier C. Peptides. 2005 Aug;26(8):1492-6. Epub 2005 Apr 18.
Nociceptin/orphanin FQ (N/OFQ) has been reported to inhibit neurogenic contractions in various tissues, including guinea pig airways. In the present study, we investigated the ability of N/OFQ to affect cholinergic contractions of human bronchi elicited by electrical field stimulation (EFS). Tissues were obtained from 23 patients undergoing surgery for lung cancer. EFS (20 Hz, 320 mA, 1.5 ms, 10 s) was applied five times every 20 min. Contractions induced by EFS were abolished by either TTX (1 microM) or atropine (1 microM) and concentration-dependently (10 nM-1 microM) inhibited by N/OFQ (Emax, 11.5+/-1.8% inhibition). The inhibitory effects of N/OFQ were mimicked by the N/OFQ receptor (NOP) ligand [Arg14, Lys15]N/OFQ which displayed however, higher significant maximal effects (17.7+/-2.9% inhibition, P<0.05). The actions of N/OFQ and [Arg14, Lys15]N/OFQ were not affected by naloxone (1 microM) while prevented by the selective NOP receptor antagonist UFP-101 (10 microM).
2.The effects of [Arg14, Lys15] nociceptin/orphanin FQ, a highly potent agonist of the NOP receptor, on in vitro and in vivo gastrointestinal functions.
Broccardo M1, Linari G, Guerrini R, Agostini S, Petrella C, Improta G. Peptides. 2005 Sep;26(9):1590-7. Epub 2005 Mar 19.
Nociceptin/orphanin FQ (N/OFQ) administered into the lateral left cerebral ventricle of rats has been reported to inhibit in vivo gut motor and secretory functions. Recently, a novel N/OFQ analog, [Arg14, Lys15] N/OFQ, was synthesized and demonstrated to behave as a highly potent agonist at the human recombinant N/OFQ peptide (NOP) receptors and to produce long-lasting effects in vivo in mice compared with the natural ligand N/OFQ. In the present study, the pharmacological profile of [Arg14, Lys15] N/OFQ was further evaluated and compared with that of N/OFQ in vitro on guinea pig exocrine pancreas and in vivo on gastric emptying, colonic propulsion and gastric acid secretion in rats. [Arg14, Lys15] N/OFQ and N/OFQ significantly decreased the KCl-evoked amylase secretion from isolated pancreatic lobules of the guinea pig. In in vivo experiments, [Arg14, Lys15] N/OFQ mimicked the effects of N/OFQ, inducing, after intracerebroventricular injection, a delay (up to 70%) in the gastric emptying of a phenol red meal, an increase (about 40 times) of the mean bead colonic expulsion time and a decrease (up to 90%) of gastric acid secretion in water loaded rats after 90 min pylorus ligature.
3.Endogenous nociceptin/orphanin FQ signalling produces opposite spinal antinociceptive and supraspinal pronociceptive effects in the mouse formalin test: pharmacological and genetic evidences.
Rizzi A1, Nazzaro C, Marzola GG, Zucchini S, Trapella C, Guerrini R, Zeilhofer HU, Regoli D, Calo' G. Pain. 2006 Sep;124(1-2):100-8. Epub 2006 May 11.
Nociceptin/orphanin FQ (N/OFQ) has been demonstrated to modulate nociceptive transmission via selective activation of N/OFQ peptide (NOP) receptors. Despite huge research efforts, the role(s) of the endogenous N/OFQ-NOP receptor system in pain processing remains incompletely understood. In the present study, we investigated the role of endogenous N/OFQ in the processing of tonic nociceptive input. To address this issue the effects of NOP-selective antagonists [Nphe1,Arg14,Lys15]N/OFQ-NH2 (UFP-101) and J-113397 on nociceptive behaviour, and the nociceptive phenotype of NOP receptor-deficient mice were tested in the mouse formalin test. Twenty microliters of 1.5% formalin solution was injected subcutaneously into the right hind paw causing a characteristic pattern of nociceptive behaviours (licking, biting and lifting of the injected paw). In control mice, the injection of formalin resulted in a classical biphasic nociceptive response with the first phase lasting from 0 to 10 min and the second phase from 15 to 45 min.
4.Quantitative study of [(pF)Phe4,Arg14,Lys15]nociceptin/orphanin FQ-NH2 (UFP-102) at NOP receptors in rat periaqueductal gray slices.
Kuo CJ1, Liao YY, Guerrini R, Calo' G, Chiou LC. Eur J Pharmacol. 2008 Jan 28;579(1-3):110-5. Epub 2007 Oct 11.
The nociceptin/orphanin FQ (N/OFQ) peptide (NOP) receptor is a novel member of the opioid receptor family with little affinity for traditional opioids. This receptor and its endogenous ligand, N/OFQ, are widely distributed in the brain and are implicated in many physiological functions including pain regulation. [(pF)Phe(4),Arg(14),Lys(15)]N/OFQ-NH(2) (UFP-102) is a newly developed peptide agonist of NOP receptors. In this study, we quantitatively investigated the effect of UFP-102 at native NOP receptors of the ventrolateral periaqueductal gray (PAG), a crucial midbrain area involved in pain regulation and enriched with NOP receptors, using blind patch-clamp whole-cell recording technique in rat brain slices. UFP-102, like N/OFQ, induced an outward current in ventrolateral PAG neurons and increased the membrane current elicited by a hyperpolarization ramp from -60 to -140 mV. The current induced by UFP-102 was characterized with inward rectification and had a reversal potential near the equilibrium potential of K(+) ions, indicating that UFP-102 activates G-protein coupled inwardly rectifying K(+) channels.
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