8739
We report here that this activation of HIV replication takes place at the transcriptional level through activation of the Rel/ NF-kappaB transcription factors .
 NF-kappaB, transcription factors, Rel/ 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:
 NF-kappaB, transcription factors, Rel/ NF-kappaB