Figure 2. Expression of proliferating cell nuclear antigen (PCNA) (positive cells/glomerulus or per graded field) in glomeruli (G) or in the tubulointerstitial area (TI) from the renal cortex of patients with focal segmental glomerulosclerosis (FSGS, N = 41) and of control individuals (C, N = 8). The median is shown as a horizontal line.