This article plagiarizes figures from a previously published paper: “Dissection of Key Events in Tubular Epithelial to Myofibroblast Transition and its Implications in Renal Interstitial Fibrosis,” by Junwei Yang and Youhua Liu, Am J Pathol 159 (2001) 1465–1475, http://dx.doi.org/10.1016/S0002-9440(10)62533-3.