8738
We have previously demonstrated that interaction of infected thymocytes with autologous thymic epithelial cells ( TEC ) is a prerequisite for a high level of human immunodeficiency virus type 1 (HIV-1) replication in thymocytes (M.Rothe, L.Chene, M.Nugeyre, F.Barre-Sinoussi, and N.Israel, J.Virol.72:5852-5861, 1998).
 ( cell type: thymocytes, None) , ( cell type: thymic epithelial cells, None) , ( cell type: thymocytes, None) , ( cell type: TEC, 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 type: thymocytes, None) , ( cell type: thymic epithelial cells, None) , ( cell type: thymocytes, None) , ( cell type: TEC, None) 