8651
CD23 expression and IgE synthesis by IL-4 were augmented in Ile50 -bearing PBMC , compared with those bearing Val50 .
 ( protein: IL-4, None) , ( cell line: Ile50 -bearing PBMC, None) , ( protein: IgE, None) , ( protein: CD23, 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-4, None) , ( cell line: Ile50 -bearing PBMC, None) , ( protein: IgE, None) , ( protein: CD23, None) 