7098
However, presentation of endogenously synthesized IE1 can be restored when U373 MG cells are transfected with CIITA prior to infection with HCMV .
 ( protein: IE1, None) , ( cell line: U373 MG cells, 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: IE1, None) , ( cell line: U373 MG cells, None) , ( DNA: CIITA, None) 