2335
However , if these countermeasures are unsuccessful and severe imbalances persist , the ER stress response may abandon its pro - survival efforts and instead may initiate a pro - apoptotic program to eliminate the faulty cell for the benefit of the organism as a whole .
 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