Monitoring modulators of platelet aggregation in a microtiter plate assay
Moran, N., Kiernan, A., Dunnan, E., Edwards, Richard J., Shields, D.C. and Kenny, D. (2006) Monitoring modulators of platelet aggregation in a microtiter plate assay. Analytical Biochemistry, 357, (1), 77-84. (doi:10.1016/j.ab.2006.06.037).
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Platelets play a central role in maintaining biological hemostasis. Inappropriate platelet activation is responsible for thrombotic diseases such as myocardial infarction and stroke. Therefore, novel agents that can inhibit platelet activation are necessary. However, assays that monitor platelet aggregation are generally time-consuming and require high volumes of blood and specialized equipment. Therefore, a medium- to high-throughput assay that can monitor platelet aggregation would be considered useful. Such an assay should be sensitive, comparable to the "gold standard" assay of platelet aggregometry, and able to monitor multiple samples simultaneously but with low assay volumes. We have developed such a microtiter assay. It can assay an average of 60 independent treatments per 60 ml blood donation and demonstrates greater sensitivity than the current gold standard assay, namely platelet aggregation in stirring conditions in a platelet aggregometer. The microtiter plate (MTP) assay can detect known inhibitors of platelet function such as indomethacin, aspirin, and ReoPro. It is highly reproducible when using standard doses of agonists such as thrombin receptor-activating peptide (20 microM) and collagen (0.19 mg/ml). Finally, the MTP assay is rapid and sensitive and can detect unknown platelet-modulating agents from a library of compounds.
|Keywords:||platelet, aggregation, peptide, inhibitors, microtiter assay|
|Divisions:||University Structure - Pre August 2011 > School of Biological Sciences
|Date Deposited:||21 Jun 2010 10:58|
|Last Modified:||20 Jul 2012 03:28|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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