12071
When the erythroid and monocytic differentiation markers were analyzed, spi-1 overexpression resulted in opposite effects: erythroid differentiation was significantly inhibited in spi-1 transfectants , while spi-1 overexpression increased the monocytic differentiation of cells.
 ( protein: spi-1, None) , ( protein: spi-1, None) , ( protein: spi-1, None) , ( cell line: spi-1 transfectants, 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:
 ( protein: spi-1, None) , ( protein: spi-1, None) , ( protein: spi-1, None) , ( cell line: spi-1 transfectants, None) 