5724
In contrast, E1A -positive cells were no more susceptible to injury-induced necrosis than E1A -negative cells .
 ( protein: E1A, None) , ( cell type: E1A -positive cells, None) , ( cell type: E1A -negative cells, None) , ( protein: E1A, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: E1A, None) , ( cell type: E1A -positive cells, None) , ( cell type: E1A -negative cells, None) , ( protein: E1A, None) 