12067
Spi-1/PU.1 is a hematopoietic transcription factor of the Ets family .
 Ets family, Spi-1/PU.1, hematopoietic transcription factor
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:
 Ets family, Spi-1/PU.1, hematopoietic transcription factor