8942
Lactobacilli, a component of the normal vaginal flora, can activate the human immunodeficiency virus (HIV)-1 long terminal repeat ( LTR ) in the Jurkat T lymphocyte and THP-1 macrophage cell lines .
 ( cell line: THP-1 macrophage cell lines, None) , ( cell line: Jurkat T lymphocyte, None) , ( DNA: human immunodeficiency virus (HIV)-1 long terminal repeat, None) , ( DNA: LTR, 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:
 ( cell line: THP-1 macrophage cell lines, None) , ( cell line: Jurkat T lymphocyte, None) , ( DNA: human immunodeficiency virus (HIV)-1 long terminal repeat, None) , ( DNA: LTR, None) 