13120
LMP1 expression induces phenotypic changes resembling B cell activation , such as cell size increase and up-regulation of cell surface activation markers .
 ( protein: cell surface activation markers, None) , ( protein: LMP1, 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: cell surface activation markers, None) , ( protein: LMP1, None) 