BIRC5 and urinary bladder neoplasm: In addition, there were more apoptotic cells present in the bladder tumor tissues of FKA-fed mice (Figure 6A,B: % of TUNEL-positive cells in FKA vs. control groups: 53.7 ± 5.0% and 13.4 ± 4.0%, p < 0.01; % of survivin-positive cells in FKA vs. control groups: 9.1 ± 2.3% and 26.2 ± 3.2%, p < 0.01).