13935
A novel retinoic acid receptor ( RAR )-selective antagonist inhibits differentiation and apoptosis of HL-60 cells : implications of RARalpha -mediated signals in myeloid leukemic cells .
 RARalpha, RAR, myeloid leukemic cells, HL-60 cells, retinoic acid receptor
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:
 RARalpha, RAR, myeloid leukemic cells, HL-60 cells, retinoic acid receptor