1844
HIV-1 expression was activated from J delta K cells by treatment with phorbol myristate acetate ( PMA ), sodium butyrate ( NaB ), or hexamethylene bisacetamide ( HMBA ), but not tumor necrosis factor alpha ( TNF-alpha ), confirming the role of NF-kappa B in mediating TNF-alpha induction of HIV transcription .
 ( protein: NF-kappa B, None) , ( protein: tumor necrosis factor alpha, None) , ( protein: TNF-alpha, None) , ( protein: TNF-alpha, None) , ( cell line: J delta K cells, 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: NF-kappa B, None) , ( protein: tumor necrosis factor alpha, None) , ( protein: TNF-alpha, None) , ( protein: TNF-alpha, None) , ( cell line: J delta K cells, None) 