20906
CONCLUSION : Our data suggest that the pro - apoptotic effect of STW 5 on HT - 29 cells is involving multiple targets and is possibly due to an activation of the caspase cascade via mitochondrial destabilization .
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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