9867
Experiments with T cell hybridomas confirmed these findings and suggested that a unique transcription factor may be essential for human IL-5 gene transcription .
 ( protein: IL-5, None) , ( cell line: T cell hybridomas, None) , ( protein: unique transcription factor, 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: IL-5, None) , ( cell line: T cell hybridomas, None) , ( protein: unique transcription factor, None) 