2640
These parameters were not modified by Nef expression in Jurkat cells , whereas stimulation with the same stimuli resulted in partial inhibition of LTR activation in Nef + Jurkat cells .
 ( DNA: LTR, None) , ( cell line: Nef + Jurkat cells, None) , ( protein: Nef, None) , ( cell line: Jurkat cells, None) , ( cell line: Jurkat cells, None) , ( protein: Nef, 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: LTR, None) , ( cell line: Nef + Jurkat cells, None) , ( protein: Nef, None) , ( cell line: Jurkat cells, None) , ( cell line: Jurkat cells, None) , ( protein: Nef, None) 