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A rapid microtitre plate screening method for in vitro assessment of fibrinolysis: a preliminary report
Blood Coagulation and Fibrinolysis
  • Peta-Anne Paul-Brent, University of Queensland
  • Trudi Cattley, Southern Cross University
  • Stephen P Myers, Southern Cross University
  • Lyndon O Brooks, Southern Cross University
  • Phillip A Cheras, University of Queensland
Document Type
Publication Date
Peer Reviewed
A novel and precise assay that facilitates high-throughput screening of fibrinolytic agents was developed based on the automated assessment of the euglobulin clot lysis time in microtitre plates. Euglobulin fractions from fresh plasma samples were assessed over 28 days to determine the inter-assay and intra-assay precision. The intra-assay (coefficient of variation range, 0.7-2.6%) and inter-assay precision (coefficient of variation range, 6.8-12.1%) was found to be well within limits required by the Food and Drug Administration. On day 1 and day 28, the results of the microtitre plate euglobulin clot lysis time method were compared with tissue plasminogen activator activity, plasminogen activator inhibitor activity and results produced on fibrin plates. All comparisons were found to correlate significantly. The validity of this method for assaying fibrinolytic agents was assessed by comparing dose-response curves for streptokinase produced using fibrin plates and this method. The critical influence of ambient temperature on the inter-assay reproducibility of this method was established by testing samples over a range of temperatures between 20°C and 40°C. © 2004 Lippincott Williams & Wilkins.
Citation Information

Paul-Brent, PA, Cattley, T, Myers, SP, Brooks, LO & Cheras, PA 2004, 'A rapid microtitre plate screening method for in vitro assessment of fibrinolysis: a preliminary report', Blood Coagulation and Fibrinolysis, vol. 15, no. 3, pp. 273-278.

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