9662
We have selected 16 sequences and confirmed their down-regulation along the TPA -induced monocytic differentiation of HL60 cells .
 16 sequences, HL60 cells
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:
 16 sequences, HL60 cells