12072
These results indicate a differential role of Spi-1 on the differentiation of human myeloid leukemia cells .
 ( cell line: human myeloid leukemia cells, None) , ( DNA: Spi-1, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( cell line: human myeloid leukemia cells, None) , ( DNA: Spi-1, None) 