5011
These results identify a new signal transduction pathway activated by GM-CSF and provide a mechanism for rapid activation of gene expression in GM-CSF -stimulated PMN .
 ( protein: GM-CSF, None) , ( cell type: GM-CSF -stimulated PMN, None) , ( cell type: PMN, None) , ( protein: GM-CSF, 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: GM-CSF, None) , ( cell type: GM-CSF -stimulated PMN, None) , ( cell type: PMN, None) , ( protein: GM-CSF, None) 