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.
 LTR, HIV-1 long terminal repeat, nuclear factor kappaB, NF-kappaB
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 LTR, HIV-1 long terminal repeat, nuclear factor kappaB, NF-kappaB