18819
Complex was shown to accumulate preferentially in the mitochondria of HeLa cells and induced apoptosis via the mitochondrial pathway , which involved ROS generation , mitochondrial membrane potential depolarisation , and Bcl - 2 and caspase family members activation .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None