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Furthermore, YJ cells could be differentiated towards the neutrophil lineage by stimulation with all-trans retinoic acid ( RA ).
 YJ cells, neutrophil lineage
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:
 YJ cells, neutrophil lineage