285
CIITA mRNA is normally inducible by IFN-gamma in class II non-inducible, RB -defective lines , and in one line, re-expression of RB has no effect on CIITA mRNA induction levels .
 ( protein: RB, None) , ( protein: IFN-gamma, None) , ( protein: RB, None) , ( cell line: class II non-inducible, RB -defective lines, None) , ( RNA: CIITA mRNA, None) , ( RNA: CIITA mRNA, None) , ( DNA: CIITA, None) , ( DNA: CIITA, 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: RB, None) , ( protein: IFN-gamma, None) , ( protein: RB, None) , ( cell line: class II non-inducible, RB -defective lines, None) , ( RNA: CIITA mRNA, None) , ( RNA: CIITA mRNA, None) , ( DNA: CIITA, None) , ( DNA: CIITA, None) 