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In addition to activating transcription from the viral long terminal repeat ( LTR ) through the cyclic AMP response element binding protein/activating transcription factor (CREB/ATF) family of transcription factors , Tax activates the expression of multiple cellular promoters through the NF-kappaB pathway of transcriptional activation .
 multiple cellular promoters, transcription factor, NF-kappaB, cyclic AMP response element binding protein/activating transcription factor (CREB/ATF) family, viral long terminal repeat, LTR, transcription factors, Tax
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:
 multiple cellular promoters, transcription factor, NF-kappaB, cyclic AMP response element binding protein/activating transcription factor (CREB/ATF) family, viral long terminal repeat, LTR, transcription factors, Tax