4553
Intriguingly , metabolic stress triggers primarily an adaptive ( rather than pro - apoptotic ) p53 response , and p53 is emerging as an important regulator of metabolic homeostasis .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
 Entities:  
Answer:
 None