914
Polymorphic variants in genes encoding apoptotic proteins , either from the extrinsic ( FAS , TNF - alpha , CASP8 ) or the intrinsic ( BAX , BCL2 , CASP3 , CASP9 ) pathways could be highly valuable in the diagnosis of neurodegenerative diseases and stroke .
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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