5093
At the same concentration, Ro 25-6603 and Ro 25-7386 had little or no effect on G-CSF -induced colony formation , whereas they inhibited 75% and 53%, respectively, of SCF + Epo -stimulated BFU-E colony growth .
 ( protein: G-CSF, None) , ( protein: SCF, None) , ( protein: Epo, 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: G-CSF, None) , ( protein: SCF, None) , ( protein: Epo, None) 