1998 MINUTES

Animal, cellular, and molecular models of thrombosis

Monday, 22 June, 1998, 8:00-12:00

Cankarjev Dom

Ljubljana, Slovenia

Chair: L. Badimon, Spain

Co-Chairs: G. Johnson, USA; D. Ginsburg, USA;
L. Drouet, France

The Subcommittee meeting was chaired by G. Johnson. Approximately 50 persons attended the meeting. Active discussion of the presentations and resolution occurred.

PROGRAM

The meeting was devoted to presentations on the following three topics:

1. Animal models useful for the study of fibrinolytic mechanisms.

Dr. Jordi Felez described methods to study expression of plasminogen receptor binding sites on endothelial cells.

Dr. Peter Carmeliet, Leuven, Belgium, described the utility of gene knockout mice in the evaluation of the role of fibrinolytic parameters in the development of atherosclerotic vessels and myocardial response to injury.

Dr. Jose Paramo, Navarra, Spain, described studies of restenosis in atherosclerotic pig arteries and his observations of increased PAI-1 expression.

Dr. Paul Holvoet, Leuven, Belgium, described the important differences between the atherosclerotic lesions seen in rabbits, pigs, and humans, and he presented data on the increased expression of MDA modified LDL in acute coronary syndromes.

2. Animal models useful for the study of venous thrombosis.

Dr. Marcel Levi, Amsterdam, Netherlands, reported on an extensive review of the status of animal models of venous thrombosis. He emphasized the limitations of these models in predicting drug doses and efficacy in human venous thrombosis.

3. Animal models of restenosis.

Dr. Gerhard Johnson, Minneapolis, USA, presented a position paper on the use of animal models in the study of arterial restenosis.

ACTION The position paper on restenosis, "The Utility of Animal Models in the Preclinical Study of Interventions to Reduce Human Coronary Artery Restenosis: Analysis and Recommendations," was approved by the Subcommittee for submission to the SSC and Thrombosis and Haemostasis.

FUTURE PLANS

  1. To develop a position paper on animal models of venous thrombosis for presentation to the Subcommittee in 1999.
  2. To explore the feasibility of having a program on in vitro models at the 1999 meeting.

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