751
Interleukin-5 signaling in human eosinophils involves JAK2 tyrosine kinase and Stat1 alpha .
 ( protein: Stat1 alpha, None) , ( protein: JAK2, None) , ( protein: Interleukin-5, None) , ( protein: JAK2 tyrosine kinase, None) , ( cell type: human eosinophils, 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: Stat1 alpha, None) , ( protein: JAK2, None) , ( protein: Interleukin-5, None) , ( protein: JAK2 tyrosine kinase, None) , ( cell type: human eosinophils, None) 