760
These data show for the first time that molecular mechanisms of IL-5 signaling in human eosinophils involve members of the JAK kinase family as well as members of the Stat family .
 ( protein: JAK kinase family, None) , ( protein: IL-5, None) , ( cell type: human eosinophils, None) , ( protein: Stat family, 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: JAK kinase family, None) , ( protein: IL-5, None) , ( cell type: human eosinophils, None) , ( protein: Stat family, None) 