7169
Caspase-3 activation , usually resulting from delta psi(m) collapse , was not always associated with As2O3 -induced apoptosis .
 Caspase-3
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 Caspase-3