11379
Cell-to-cell contact between peripheral blood lymphocytes and transfected human colonic carcinoma cell line HT29 activates transcription of the long terminal repeats ( LTR ) of human immunodeficiency virus .
 ( cell line: transfected human colonic carcinoma cell line HT29, None) , ( cell type: peripheral blood lymphocytes, None) , ( DNA: LTR, None) , ( DNA: long terminal repeats, 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: transfected human colonic carcinoma cell line HT29, None) , ( cell type: peripheral blood lymphocytes, None) , ( DNA: LTR, None) , ( DNA: long terminal repeats, None) 