2D-gel analysis. (A-B) Representative gels (pH 3-10 IPG and pH 4-7 IPG) from 2D-PAGE. The 4-digit numbers are the specific spot numbers of the proteins listed in Table 2. (C) Histograms of all identified proteins displaying the spot intensities. Each patient is represented by 1 column and columns are stacked according to treatment response (favorable vs unfavorable outcome).