5096
AM580 , a stable benzoic derivative of retinoic acid , has powerful and selective cyto-differentiating effects on acute promyelocytic leukemia cells .
 acute promyelocytic leukemia 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:
 acute promyelocytic leukemia cells