1774
However, reagents such as nerve growth factor ( NGF ) and the phorbol ester phorbol 12-myristate 13-acetate ( PMA ), which induce phenotypical differentiation of the SH-SY5Y neuroblastoma cell line , activated NF-kappa B , but only in that particular cell line .
 ( cell line: cell line, None) , ( cell line: SH-SY5Y neuroblastoma cell line, None) , ( protein: NF-kappa B, None) , ( protein: nerve growth factor, None) , ( protein: NGF, 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: cell line, None) , ( cell line: SH-SY5Y neuroblastoma cell line, None) , ( protein: NF-kappa B, None) , ( protein: nerve growth factor, None) , ( protein: NGF, None) 