648
Pyrrolidine dithiocarbamate , an inhibitor for NF-kappa B activation , markedly reduced PAF -stimulated kappa B binding activity as well as up-regulation of HB-EGF mRNA .
 ( protein: NF-kappa B, None) , ( RNA: HB-EGF mRNA, None) , ( protein: PAF, None) , ( protein: HB-EGF, 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) , ( RNA: HB-EGF mRNA, None) , ( protein: PAF, None) , ( protein: HB-EGF, None) 