Evidence map›Paper›PMID 21131351›Full record

ArticleThe Journal of biological chemistry2011

Discovery of very late antigen-4 (VLA-4, alpha4beta1 integrin) allosteric antagonists.

Alexandre Chigaev, Yang Wu, D Bart Williams, Yelena Smagley, Larry A Sklar

Open access · hybridAbstract read
In one paragraph

Article in The Journal of biological chemistry, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed, 1 pooled it
1.1field-weighted citation impact, top 25% 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

23 citing papers in PubMed, 1 synthesis or guideline pooled it, 39 citations in OpenAlex.

  1. Pooled it
  2. Trial
  3. Review
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  5. Article
  6. Article
  7. Experimental and therapeutic medicine · 2022
    Article
  8. CC16 Binding to αAmerican journal of respiratory and critical care medicine · 2021
    Article
  9. Visualization of integrin molecules by fluorescence imaging and techniques.Biocell : official journal of the Sociedades Latinoamericanas de Microscopia Electronica ... et. al · 2021
    Article
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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

5 authors at 1 institution in 1 country.

Alexandre ChigaevDepartment of Pathology and Cancer Center, University of New Mexico Health Sciences Center, Albuquerque, New Mexico 87131, USA. achigaev@salud.unm.edu
Yang Wu
D Bart Williams
Yelena Smagley
Larry A Sklar
University of New Mexico · US

Funding

Yeast Biology ConsortiumU54MH084690 · NIMH · UNIVERSITY OF NEW MEXICO HEALTH SCIS CTR · PI SKLAR, LARRY A. · 2008 to 2013
$14.4M
Force, Conformation & Affinity in VLA-4 and LFA-1 AdhesionR01HL081062 · NHLBI · UNIVERSITY OF NEW MEXICO · PI SKLAR, LARRY A. · 2007 to 2011
$2.4M
NHLBI NIH HHS HL081062NHLBI NIH HHS R01 HL081062NIMH NIH HHS U54 MH084690
6 · The paper itself

Abstract

Integrins are cell adhesion receptors that mediate cell-to-cell, or cell-to-extracellular matrix adhesion. They represent an attractive target for treatment of multiple diseases. Two classes of small molecule integrin inhibitors have been developed. Competitive antagonists bind directly to the integrin ligand binding pocket and thus disrupt the ligand-receptor interaction. Allosteric antagonists have been developed primarily for α(L)β(2)- integrin (LFA-1, lymphocyte function-associated antigen-1). Here we present the results of screening the Prestwick Chemical Library using a recently developed assay for the detection of α(4)β(1)-integrin allosteric antagonists. Secondary assays confirmed that the compounds identified: 1) do not behave like competitive (direct) antagonists; 2) decrease ligand binding affinity for VLA-4 ∼2 orders of magnitude; 3) exhibit antagonistic properties at low temperature. In a cell based adhesion assay in vitro, the compounds rapidly disrupted cellular aggregates. In accord with reports that VLA-4 antagonists in vivo induce mobilization of hematopoietic progenitors into the peripheral blood, we found that administration of one of the compounds significantly increased the number of colony-forming units in mice. This effect was comparable to AMD3100, a well known progenitor mobilizing agent. Because all the identified compounds are structurally related, previously used, or currently marketed drugs, this result opens a range of therapeutic possibilities for VLA-4-related pathologies.

Indexed as

Allosteric RegulationAnimalsHematopoietic Stem Cell MobilizationHematopoietic Stem CellsHeterocyclic Compounds, 4 or More RingsHumansIntegrin alpha4beta1MiceU937 CellsHeterocyclic Compounds, 4 or More RingsIntegrin alpha4beta1

Identifiers

PMID21131351
PMCPMC3037658
OpenAlexW2094352910

What OpenQuestion holds

Textmetadata
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.