4719
The genetic elements and regulatory mechanisms responsible for human interleukin 9 ( IL-9 ) gene expression in a human T cell leukemia virus type I-transformed human T cell line , C5MJ2 , were investigated.
 ( DNA: human interleukin 9 ( IL-9 ) gene, None) , ( protein: IL-9, None) , ( cell line: human T cell leukemia virus type I-transformed human T cell line, None) , ( cell line: C5MJ2, 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:
 ( DNA: human interleukin 9 ( IL-9 ) gene, None) , ( protein: IL-9, None) , ( cell line: human T cell leukemia virus type I-transformed human T cell line, None) , ( cell line: C5MJ2, None) 