4216
Interleukin-7 signaling in human B cell precursor acute lymphoblastic leukemia cells and murine BAF3 cells involves activation of STAT1 and STAT5 mediated via the interleukin-7 receptor alpha chain .
 ( protein: STAT5, None) , ( cell line: human B cell precursor acute lymphoblastic leukemia cells, None) , ( protein: interleukin-7 receptor alpha chain, None) , ( protein: Interleukin-7, None) , ( cell line: murine BAF3 cells, None) , ( protein: STAT1, 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, None) , ( cell line: human B cell precursor acute lymphoblastic leukemia cells, None) , ( protein: interleukin-7 receptor alpha chain, None) , ( protein: Interleukin-7, None) , ( cell line: murine BAF3 cells, None) , ( protein: STAT1, None) 