Objective To investigate the effect of biotinylated microfiber peptides-modified insulin-like growth factor-1(IGF-1)on the left ventricular remodeling in rabbits with acute myocardial infarction(AMI).Methods Twenty-eight male New Zealand white rabbits were randomly divided into control group,experimental group 1,experimental group 2 and experimental group 3,with 7 rabbits in each group.The AMI was induced by ligating the left anterior descending coronary artery in experimental groups.The control group recei...