1294
The regulation of nuclear factor (NF)-kappa B activation by the T cell receptor (TcR)/CD3 complex in primary human T cells has been studied at various times after activation.
 ( protein: nuclear factor (NF)-kappa B, None) , ( protein: T cell receptor (TcR)/CD3 complex, None) , ( cell type: T cells, None) , ( protein: T cell receptor, 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: nuclear factor (NF)-kappa B, None) , ( protein: T cell receptor (TcR)/CD3 complex, None) , ( cell type: T cells, None) , ( protein: T cell receptor, None) 