3784
Finally, potential targets of regulation by the zinc-finger transcription factor encoded by egr-1 include the interleukin-2 , CD44 , ICAM-1 , and tumor necrosis factor genes .
 transcription factor, egr-1, zinc-finger transcription factor
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:
 transcription factor, egr-1, zinc-finger transcription factor