7628
The influence on interleukin (IL)-2 , IL-4 and interferon (IFN)-gamma production ; IL-2 receptor (IL-2R) alpha -, beta -, and gamma-chain ; and the signaling pathway molecules Janus kinase (Jak)1 , Jak3 , signal transducers and activators of transcription (Stat)1 , Stat3 , and Stat5 should be investigated.
 ( protein: Stat3, None) , ( protein: interleukin (IL)-2, None) , ( protein: IL-2 receptor (IL-2R) alpha, None) , ( protein: Janus kinase, None) , ( protein: beta, None) , ( protein: activators of transcription, None) , ( protein: gamma-chain, None) , ( protein: interferon (IFN)-gamma, None) , ( protein: signaling pathway molecules, None) , ( protein: Jak3, None) , ( protein: Stat5, None) , ( protein: IL-4, None) , ( protein: (Jak)1, None) , ( protein: (Stat)1, 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: Stat3, None) , ( protein: interleukin (IL)-2, None) , ( protein: IL-2 receptor (IL-2R) alpha, None) , ( protein: Janus kinase, None) , ( protein: beta, None) , ( protein: activators of transcription, None) , ( protein: gamma-chain, None) , ( protein: interferon (IFN)-gamma, None) , ( protein: signaling pathway molecules, None) , ( protein: Jak3, None) , ( protein: Stat5, None) , ( protein: IL-4, None) , ( protein: (Jak)1, None) , ( protein: (Stat)1, None) 