Evidence map›Paper›PMID 20496895›Full record

ArticleJournal of the American Chemical Society2010

Multiple N-methylation of MT-II backbone amide bonds leads to melanocortin receptor subtype hMC1R selectivity: pharmacological and conformational studies.

Lucas Doedens, Florian Opperer, Minying Cai, Johannes G Beck, Matt Dedek, Erin Palmer, Victor J Hruby, Horst Kessler

Abstract read
In one paragraph

Article in Journal of the American Chemical Society, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 48 papers.

0numbers the graph read from it
0cells of the map it votes in
48citing papers in PubMed
–field-weighted citation impact
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

48 citing papers in PubMed.

  1. Article
  2. Article
  3. Article
  4. Article
  5. Article
  6. Article
  7. Ribosomal incorporation of negatively charged d-α- andPhilosophical transactions of the Royal Society of London. Series B, Biological sciences · 2023
    Article
  8. Review
  9. Article
  10. Demonstration of a Common DPheJournal of medicinal chemistry · 2022
    Article
  11. Article
  12. Influence ofMolecules (Basel, Switzerland) · 2021
    Article
  13. Biosynthetic Strategies for Macrocyclic Peptides.Molecules (Basel, Switzerland) · 2021
    Review
  14. Article
  15. Article
  16. Article
  17. Article
  18. Review
  19. Review
  20. 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

8 authors.

Lucas DoedensInstitute for Advanced Study and Center for Integrated Protein Science at the Technische Universität München, Lichtenbergstrasse 4, 85747 Garching, Germany.
Florian Opperer
Minying Cai
Johannes G Beck
Matt Dedek
Erin Palmer
Victor J Hruby
Horst Kessler

Funding

THERAPEUTIC PROFILES OF OPIOID DELTA RECEPTORS--NEW MODALITIESP01DA006284 · NIDA · UNIVERSITY OF ARIZONA · PI HRUBY, VICTOR J · 1989 to 2015
$14.8M
PEPTIDE HORMONE STRUCTURE &FUNCTIONR01DK017420 · NIDDK · UNIVERSITY OF ARIZONA · PI HRUBY, VICTOR J · 1986 to 2010
$2.8M
NIDA NIH HHS DA06284NIDA NIH HHS P01 DA006284NIDDK NIH HHS DK017420NIDDK NIH HHS R01 DK017420
6 · The paper itself

Abstract

Multiple N-methylation is a novel technology to improve bioavailability of peptides and increase receptor subtype selectivity. This technique has been applied here to the superpotent but nonselective cyclic peptide MT-II. A library of all possible 31 backbone N-methylated derivatives has been synthesized and tested for binding and activation at melanocortin receptor subtypes 1, 3, 4, and 5. It turned out that selectivity is improved with every introduced N-methyl group, resulting in several N-methylated selective and potent agonists for the hMC1R. The most potent of these derivatives is N-methylated on four out of five amide bonds in the cyclic structure. Its solution structure indicates a strongly preferred backbone conformation that resembles other alpha-MSH analogs but possesses much less flexibility and in addition distinct differences in the spatial arrangement of individual amino acid side chains.

Indexed as

Drug DesignAmidesBinding, CompetitiveCell LineHumansMethylationMolecular Dynamics SimulationNitrogenNuclear Magnetic Resonance, BiomolecularPeptides, CyclicProtein ConformationReceptor, Melanocortin, Type 1Receptors, G-Protein-CoupledSubstrate SpecificityAmidesNitrogenPeptides, CyclicReceptor, Melanocortin, Type 1Receptors, G-Protein-Coupled

Identifiers

PMID20496895
PMCPMC2895553

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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.