688
Exposure of normal human cells to gamma - irradiation and the radiomimetic drug neocarzinostatin had no effect on ATM protein levels , in contrast to a noted rise in p53 levels over the same time interval .
 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