9843
Cooperation of Spi-1/ PU.1 with an activated erythropoietin receptor inhibits apoptosis and Epo -dependent differentiation in primary erythroblasts and induces their Kit ligand-dependent proliferation .
 ( protein: Epo, None) , ( cell type: primary erythroblasts, None) , ( protein: PU.1, None) , ( protein: Spi-1/ PU.1, None) , ( protein: activated erythropoietin receptor, 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: Epo, None) , ( cell type: primary erythroblasts, None) , ( protein: PU.1, None) , ( protein: Spi-1/ PU.1, None) , ( protein: activated erythropoietin receptor, None) 