Aim To investigate whether or not the time course of the cellular proliferation and aPoptotic cell deatk is re1ated with expresion of some oncoproteins, c-Myc, c-Fos, Bcl-2 and P53, in miniswine atherosclerotic ili- ac arteries following balloon angioplasty.Methods Atherosclerotic lesions developed by endothelial denudation combined with atherogenic di-et. Balloon angioplasty was performed in the right il-iac artery of atherosclerotic miniswines. After 1, 3,8, 14, 30, and 90 days ; respectively, the experimen-tal animals were killed and iliac arteries were re-moved. Immunohistochemical assays ...