14087
While LTRs which demonstrated the highest activities in U-373 MG cells also yielded high activities in Jurkat cells, the LTRs were generally more active in Jurkat cells when compared to the LAI LTR .
 ( DNA: LTRs, None) , ( DNA: LTRs, None) , ( cell line: Jurkat cells, None) , ( DNA: LTR, None) , ( DNA: LAI LTR, None) , ( cell line: U-373 MG cells, 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:
 ( DNA: LTRs, None) , ( DNA: LTRs, None) , ( cell line: Jurkat cells, None) , ( DNA: LTR, None) , ( DNA: LAI LTR, None) , ( cell line: U-373 MG cells, None) 