4507
To evaluate the PML/RARalpha role in myelopoiesis , transgenic mice expressing PML/RARalpha were engineered.
 PML/RARalpha, PML/RARalpha
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:
 PML/RARalpha, PML/RARalpha