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Documentos

P5296

Sigma-Aldrich

CTOP

≥97% (HPLC)

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About This Item

Fórmula empírica (notación de Hill):
C50H67N11O11S2
Número de CAS:
103429-31-8
Peso molecular:
1062.26
MDL number:
MFCD00076708
UNSPSC Code:
12352200
PubChem Substance ID:
329820226
NACRES:
NA.77

Quality Level

100

assay

≥97% (HPLC)

form

powder

UniProt accession no.

Q64387

storage temp.

−20°C

SMILES string

C[C@@H](O)[C@H](NC(=O)[C@H]1NC(=O)[C@@H](NC(=O)[C@H](CCCN)NC(=O)[C@@H](Cc2c[nH]c3ccccc23)NC(=O)[C@H](Cc4ccc(O)cc4)NC(=O)[C@H](CSSC1(C)C)NC(=O)[C@H](N)Cc5ccccc5)[C@@H](C)O)C(N)=O

InChI

1S/C50H67N11O11S2/c1-26(62)39(42(53)65)59-49(72)41-50(3,4)74-73-25-38(58-43(66)33(52)21-28-11-6-5-7-12-28)47(70)56-36(22-29-16-18-31(64)19-17-29)45(68)57-37(23-30-24-54-34-14-9-8-13-32(30)34)46(69)55-35(15-10-20-51)44(67)60-40(27(2)63)48(71)61-41/h5-9,11-14,16-19,24,26-27,33,35-41,54,62-64H,10,15,20-23,25,51-52H2,1-4H3,(H2,53,65)(H,55,69)(H,56,70)(H,57,68)(H,58,66)(H,59,72)(H,60,67)(H,61,71)/t26-,27-,33-,35+,36+,37-,38+,39+,40+,41-/m1/s1

InChI key

PZWWYAHWHHNCHO-FGHAYEPSSA-N

Gene Information

mouse ... Pnoc(18155)

Amino Acid Sequence

Phe-Cys-Tyr-Trp-Orn-Thr-Pen-Thr-NH2 [Disulfide Bridge: 2-7]

General description

D-Pen-Cys-Tyr-D-Trp-Orn-Thr-Pen-Thr-NH2 (CTOP) is a selective cyclic μ-opioid receptor antagonist.

Application

CTOP has been used:
  • to study the anxiogenic effects induced by CTOP in mice and rat.
  • to study the effect of μ-opioid antagonist, CTOP on the bovine milk-derived LF (BLF)-induced analgesia.
  • to determine whether μ-opioid receptors act cooperatively with 5-hydroxytryptamine (5-HT1A) receptors to regulate the behaviors generated in the elevated T-maze (ETM).

Biochem/physiol Actions

D-Pen-Cys-Tyr-D-Trp-Orn-Thr-Pen-Thr-NH2 (CTOP) inhibits acute morphine-induced hypermotility and analgesic effect of morphine in a dose-dependent manner in vivo.
Selective ligand for μ-opioid receptors.

Linkage

Somatostatin analog

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Kate M Wassum et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 31(5), 1591-1599 (2011-02-04)
The decision to perform, or not perform, actions known to lead to a rewarding outcome is strongly influenced by the current incentive value of the reward. Incentive value is largely determined by the affective experience derived during previous consumption of
Andrew C Eschenroeder et al.
Glia, 60(1), 125-136 (2011-10-18)
Although the classical function of myelin is the facilitation of saltatory conduction, this membrane and the oligodendrocytes, the cells that make myelin in the central nervous system (CNS), are now recognized as important regulators of plasticity and remodeling in the
He-Min Yang et al.
Frontiers in systems neuroscience, 14, 51-51 (2020-08-28)
Aim: To examine the effects of fentanyl, a potent mu-opioid receptor (MOR) agonist, on-air puff-evoked responses in Purkinje cells (PCs), and molecular layer interneurons (MLIs) using in vivo patch-clamp recordings in anesthetized mice. Methods: Male mice 6-8 weeks-old were anesthetized
Elena I Varlinskaya et al.
Alcoholism, clinical and experimental research, 33(6), 991-1000 (2009-03-24)
Ethanol consumption is considerably elevated during adolescence. Attractiveness of alcohol for humans during the adolescent developmental period is based, in part, on its ability to induce social facilitation--a facilitation of social interactions not only evident in human adolescents but also
Ruth Drdla-Schutting et al.
Science (New York, N.Y.), 335(6065), 235-238 (2012-01-17)
Painful stimuli activate nociceptive C fibers and induce synaptic long-term potentiation (LTP) at their spinal terminals. LTP at C-fiber synapses represents a cellular model for pain amplification (hyperalgesia) and for a memory trace of pain. μ-Opioid receptor agonists exert a
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