Evidence map›Paper›PMID 21366266›Full record

ArticleJournal of medicinal chemistry2011

Discovery of a potent and efficacious peptide derivative for δ/μ opioid agonist/neurokinin 1 antagonist activity with a 2',6'-dimethyl-L-tyrosine: in vitro, in vivo, and NMR-based structural studies.

Takashi Yamamoto, Padma Nair, Tally M Largent-Milnes, Neil E Jacobsen, Peg Davis, Shou-Wu Ma, Henry I Yamamura, Todd W Vanderah, Frank Porreca, Josephine Lai and 1 more

Open access · greenAbstract read
In one paragraph

Article in Journal of medicinal chemistry, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
1.2field-weighted citation impact, top 26% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

15 citing papers in PubMed, 30 citations in OpenAlex.

  1. Article
  2. Novel Mixed NOP/Opioid Receptor Peptide Agonists.Journal of medicinal chemistry · 2021
    Article
  3. Article
  4. Article
  5. Novel Pharmacological Nonopioid Therapies in Chronic Pain.Current pain and headache reports · 2018
    Review
  6. Review
  7. Article
  8. Article
  9. Article
  10. Article
  11. Review
  12. Article
  13. Article
  14. Article
  15. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors at 1 institution in 1 country.

Takashi YamamotoDepartment of Chemistry and Biochemistry, University of Arizona, 1306 East University Boulevard, Tucson, Arizona 85721, United States.
Padma Nair
Tally M Largent-Milnes
Neil E Jacobsen
Peg Davis
Shou-Wu Ma
Henry I Yamamura
Todd W Vanderah
Frank Porreca
Josephine Lai
Victor J Hruby
University of Arizona · US

Funding

THERAPEUTIC PROFILES OF OPIOID DELTA RECEPTORS--NEW MODALITIESP01DA006284 · NIDA · UNIVERSITY OF ARIZONA · PI HRUBY, VICTOR J · 1989 to 2015
$14.8M
NOVEL NON-PEPTIDE OPIOID LIGANDS FOR PAINR01DA013449 · NIDA · UNIVERSITY OF ARIZONA · PI HRUBY, VICTOR J · 2000 to 2015
$6.8M
PEPTIDE HORMONE STRUCTURE &FUNCTIONR01DK017420 · NIDDK · UNIVERSITY OF ARIZONA · PI HRUBY, VICTOR J · 1986 to 2010
$2.8M
NIDA NIH HHS DA-06284NIDA NIH HHS DA-13449NIDA NIH HHS P01 DA006284NIDA NIH HHS R01 DA013449NIDDK NIH HHS R01 DK017420
6 · The paper itself

Abstract

Multivalent ligands with δ/μ opioid agonist and NK1 antagonist activities have shown promising analgesic potency without detectable sign of toxicities, including motor skill impairment and opioid-induced tolerance. To improve their biological activities and metabolic stability, structural optimization was performed on our peptide-derived lead compounds by introducing 2',6'-dimethyl-L-tyrosine (Dmt) instead of Tyr at the first position. The compound 7 (Dmt-D-Ala-Gly-Phe-Met-Pro-Leu-Trp-NH-[3',5'-(CF(3))(2)-Bzl]) showed improved multivalent bioactivities compared to those of the lead compounds, had more than 6 h half-life in rat plasma, and had significant antinociceptive efficacy in vivo. The NMR structural analysis suggested that Dmt(1) incorporation in compound 7 induces the structured conformation in the opioid pharmacophore (N-terminus) and simultaneously shifts the orientation of the NK1 pharmacophore (C-terminus), consistent with its affinities and activities at both opioid and NK1 receptors. These results indicate that compound 7 is a valuable research tool to seek a novel analgesic drug.

Indexed as

Drug DiscoveryNeurokinin-1 Receptor AntagonistsAmino Acid SequenceAnalgesicsAnimalsDrug StabilityGuanosine 5'-O-(3-Thiotriphosphate)Guinea PigsHumansIleumMagnetic Resonance SpectroscopyMaleMiceMicellesMolecular ConformationPeptides2',6'-dimethyltyrosineAnalgesicsGuanosine 5'-O-(3-Thiotriphosphate)MicellesNeurokinin-1 Receptor AntagonistsPeptidesReceptors, Neurokinin-1Receptors, Opioid, muReceptors, sigmaTyrosine

Identifiers

PMID21366266
PMCPMC3090346
OpenAlexW2038687039

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.