Evidence map›Paper›PMID 24635452›Full record

ArticleJournal of medicinal chemistry2014

Targeting the GPIbα binding site of thrombin to simultaneously induce dual anticoagulant and antiplatelet effects.

Akul Y Mehta, Jay N Thakkar, Bassem M Mohammed, Erika J Martin, Donald F Brophy, Takao Kishimoto, Umesh R Desai

Open access · bronzeAbstract read
In one paragraph

Article in Journal of medicinal chemistry, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
2.1field-weighted citation impact, top 12% 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

11 citing papers in PubMed, 23 citations in OpenAlex.

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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

7 authors at 2 institutions in 3 countries.

Akul Y MehtaDepartment of Medicinal Chemistry and Institute for Structural Biology and Drug Discovery, Virginia Commonwealth University , Richmond, Virginia 23219, United States.
Jay N Thakkar
Bassem M Mohammed
Erika J Martin
Donald F Brophy
Takao Kishimoto
Umesh R Desai
Virginia Commonwealth University · USToyama Prefectural University · JP

Funding

Therapeutic assessment of synthetic heparin sulfates in transplantation modelsP01HL107152 · NHLBI · VIRGINIA COMMONWEALTH UNIVERSITY · PI DESAI, UMESH RAMANLAL · 2011 to 2017
$15.8M
Dual Direct Inhibitors of Thrombin and Factor XaR01HL090586 · NHLBI · VIRGINIA COMMONWEALTH UNIVERSITY · PI DESAI, UMESH RAMANLAL · 2009 to 2018
$3.9M
NHLBI NIH HHS HL090586NHLBI NIH HHS HL107152NHLBI NIH HHS P01 HL107152NHLBI NIH HHS R01 HL090586
6 · The paper itself

Abstract

Exosite 2 of human thrombin contributes to two opposing pathways, the anticoagulant pathway and the platelet aggregation pathway. We reasoned that an exosite 2 directed allosteric thrombin inhibitor should simultaneously induce anticoagulant and antiplatelet effects. To assess this, we synthesized SbO4L based on the sulfated tyrosine-containing sequence of GPIbα. SbO4L was synthesized in three simple steps in high yield and found to be a highly selective, direct inhibitor of thrombin. Michelis-Menten kinetic studies indicated a noncompetitive mechanism of inhibition. Competitive inhibition studies suggested ideal competition with heparin and glycoprotein Ibα, as predicted. Studies with site-directed mutants of thrombin indicated that SbO4L binds to Arg233, Lys235, and Lys236 of exosite 2. SbO4L prevented thrombin-mediated platelet activation and aggregation as expected on the basis of competition with GPIbα. SbO4L presents a novel paradigm of simultaneous dual anticoagulant and antiplatelet effects achieved through the GPIbα binding site of thrombin.

Indexed as

Adenosine TriphosphateAllosteric RegulationAnticoagulantsAntithrombinsBinding, CompetitiveChromatography, High Pressure LiquidHumansLigninMass SpectrometryMutagenesis, Site-DirectedMutationPlatelet AggregationPlatelet Glycoprotein GPIb-IX ComplexProtein BindingProtein ConformationProtein Kinase CAdenosine TriphosphateAnticoagulantsAntithrombinsLigninPlatelet Glycoprotein GPIb-IX ComplexProtein Kinase CRecombinant ProteinsThrombin

Identifiers

PMID24635452
PMCPMC4203406
OpenAlexW2320089820

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.