10574
From these data, we conclude that the induction of PO-B DNA binding is a general marker of HL-60 myelomonocytic differentiation , but that qualitative aspects of the induction of additional distinct transcription factors , such as AP-1 , may contribute to lineage-specific determinants of cell fate.
 transcription factors, PO-B, AP-1
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 factors, PO-B, AP-1