18672
We show that enforced expression of BOK activates the intrinsic ( mitochondrial ) apoptotic pathway in BAX / BAK - proficient cells but fails to kill cells lacking both BAX and BAK or sensitize them to cytotoxic insults .
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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:
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