13112
The inhibitory effects of cepharanthine on HIV-1 long terminal repeat ( LTR )-driven gene expression and nuclear factor kappaB ( NF-kappaB ) activation were also examined.
 ( DNA: LTR, None) , ( DNA: HIV-1 long terminal repeat, None) , ( protein: nuclear factor kappaB, None) , ( protein: NF-kappaB, 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:
 ( DNA: LTR, None) , ( DNA: HIV-1 long terminal repeat, None) , ( protein: nuclear factor kappaB, None) , ( protein: NF-kappaB, None) 