4493
Selective activation of STAT5 homologues in addition to generation of lower molecular isoforms may provide specificity and control to genes expressed in response to cytokines such as GM-CSF .
 ( protein: STAT5 homologues, None) , ( protein: STAT5, None) , ( protein: GM-CSF, None) , ( protein: cytokines, 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: STAT5 homologues, None) , ( protein: STAT5, None) , ( protein: GM-CSF, None) , ( protein: cytokines, None) 