Fig. 4From: Heat shock factor 1 inhibits the mitochondrial apoptosis pathway by regulating second mitochondria-derived activator of caspase to promote pancreatic tumorigenesisHSF1 regulates the apoptosis of pancreatic cancer cells. a and b Annexin V/PI double staining showing apoptosis of ASPC-1, PANC-1 and their control cells. c and d Rhodamine 123 staining showing changes in mitochondrial membrane potential. Differences were analyzed by paired t-test and data represent the mean ± standard deviation of three independent experiments. *P < 0.05, **P < 0.01Back to article page