1320
Therefore , although the major IR - induced apoptotic pathway in the CNS requires Atm and Bax , a p53 - dependent collateral pathway exists that has both Atm - and Bax - independent branches .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
 Entities:  
Answer:
 None