7636
PHA stimulates IL-2R alpha- , beta- , and gamma- chain expression and their signaling pathway molecules Jak1 , Jak3 , Stat1, Stat3 , and Stat5 .
 ( protein: Jak3, None) , ( protein: Stat3, None) , ( protein: signaling pathway molecules, None) , ( protein: Jak1, None) , ( protein: PHA, None) , ( protein: Stat5, 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: Jak3, None) , ( protein: Stat3, None) , ( protein: signaling pathway molecules, None) , ( protein: Jak1, None) , ( protein: PHA, None) , ( protein: Stat5, None) 