14280
However, activation of the T cell lines leading to enhanced HIV-1 replication can be induced by antigens , mitogens , and cytokines ( tumor necrosis factor alpha [ TNF-alpha ], interleukin 1 , and interleukin-2 ).
 ( protein: cytokines, None) , ( protein: interleukin-2, None) , ( protein: tumor necrosis factor alpha, None) , ( cell line: T cell lines, None) , ( protein: interleukin 1, None) , ( protein: TNF-alpha, None) , ( protein: antigens, 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:
 ( protein: cytokines, None) , ( protein: interleukin-2, None) , ( protein: tumor necrosis factor alpha, None) , ( cell line: T cell lines, None) , ( protein: interleukin 1, None) , ( protein: TNF-alpha, None) , ( protein: antigens, None) 