Thrombin-Mediated Endothelial Activation Kruppel-Like Factor 2 Inhibits Protease Activated Receptor-1 Expression and Print ISSN: 1079-5642. Online ISSN: 1524-4636 Copyright © 2006 American Heart Association, Inc. All rights reserved. Greenville Avenue, Dallas, TX 75231 is published by the American Heart Association, 7272 Arteriosclerosis, Thrombosis, and Vascular Biology doi: 10.1161/01.ATV.000...