ArticlePLoS computational biology2022
Experimental validation of computerised models of clustering of platelet glycoprotein receptors that signal via tandem SH2 domain proteins.
Article in PLoS computational biology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
What it found
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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.
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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.
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Who cites it
5 citing papers in PubMed, 9 citations in OpenAlex.
- Receptor homodimerization significantly prolongs the lifetime of ligand-induced cross-linking of CLEC-2 but not GPVI.Blood vessels, thrombosis & hemostasis · 2026Article
- A minimum valency of 4 is required for robust activation of platelets in flow cytometry by multivalent nanobodies to Glycoprotein VI, C-type lectin-like receptor 2 and Platelet Endothelial Aggregation Receptor 1.Research and practice in thrombosis and haemostasis · 2025Article
- Functional characterization of a nanobody-based glycoprotein VI-specific platelet agonist.Research and practice in thrombosis and haemostasis · 2024Article
- GPVI inhibition: Advancing antithrombotic therapy in cardiovascular disease.European heart journal. Cardiovascular pharmacotherapy · 2024Review
- Novel therapeutics and emerging technology in haemostasis and thrombosis: highlights from the British society for haemostasis and thrombosis annual meeting.Frontiers in cardiovascular medicine · 2023Article
Corrections and comments
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Authors and funding
19 authors at 6 institutions in 3 countries.
Funding
Abstract
The clustering of platelet glycoprotein receptors with cytosolic YxxL and YxxM motifs, including GPVI, CLEC-2 and PEAR1, triggers activation via phosphorylation of the conserved tyrosine residues and recruitment of the tandem SH2 (Src homology 2) domain effector proteins, Syk and PI 3-kinase. We have modelled the clustering of these receptors with monovalent, divalent and tetravalent soluble ligands and with transmembrane ligands based on the law of mass action using ordinary differential equations and agent-based modelling. The models were experimentally evaluated in platelets and transfected cell lines using monovalent and multivalent ligands, including novel nanobody-based divalent and tetravalent ligands, by fluorescence correlation spectroscopy. Ligand valency, receptor number, receptor dimerisation, receptor phosphorylation and a cytosolic tandem SH2 domain protein act in synergy to drive receptor clustering. Threshold concentrations of a CLEC-2-blocking antibody and Syk inhibitor act in synergy to block platelet aggregation. This offers a strategy for countering the effect of avidity of multivalent ligands and in limiting off-target effects.
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Registered trials
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.