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After CPB Pro-MMP-2 activity (a.u.) Pro-MMP-2 activity (a.u.) Before CPB 4 3 2 1 N=17 N=18 Control RIPC 0 A MMP-2 activity (a.u.) MMP-2 activity (a.u.) * 2 1 N=17 N=18 Control RIPC 4 Pro-MMP-9 activity (a.u.) Pro-MMP-9 activity (a.u.) N=17 N=18 Control RIPC N=17 N=18 Control RIPC N=17 N=18 Control RIPC N=17 N=18 Control RIPC 0 3 2 1 N=17 N=18 Control RIPC 3 2 1 D 0 4 3 2 1 0 F 4 MMP-9 activity (a.u.) 4 MMP-9 activity (a.u.) 1 0 0 3 ** 2 1 0 2 4 3 E 3 B 4 C 4 N=17 N=18 Control RIPC 3 2 1 0 G H Pro-MMP-9 Pro-MMP-9 MMP-9 Pro-MMP-2 MMP-2 Control I Figure 2 MMP-9 Pro-MMP-2 MMP-2 RIPC Control J RIPC