5520
Among them , xIAP , cIAP - 1 , survivin and Bcl - 2 levels decreased remarkably , while the levels of Bax and cleaved - PARP increased .
 None
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