11428
To delineate the regulatory mechanisms of human IL-5 synthesis , we established allergen-specific CD4+ T-cell clones from asthmatic patients .
 ( protein: IL-5, None) , ( cell line: allergen-specific CD4+ T-cell clones, 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: allergen-specific CD4+ T-cell clones, None) 