E2F-1 overexpression in cardiomyocytes induces downregulation of p21CIP1 and p27KIP1 and release of active cyclin-dependent kinases in the presence of insulin-like growth factor I. - von Harsdorf,R.; Hauck,L.; Mehrhof,F.; Wegenka,U.; Cardoso,M.C.; Dietz,R. (Circ Res, 1999)