4444
Direct evidence that N-acetylcysteine ( NAC ) enhances the immune response of peripheral blood T cells at the level of NF(kappa)B is presented.
 ( cell type: peripheral blood T cells, None) , ( protein: NF(kappa)B, 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: peripheral blood T cells, None) , ( protein: NF(kappa)B, None) 