12762
The helper activity for IgE synthesis by the CD27 /CD70 interaction did not contribute to the enhancement of germline epsilon transcripts .
 ( protein: IgE, None) , ( RNA: germline epsilon transcripts, None) , ( protein: CD27, 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: IgE, None) , ( RNA: germline epsilon transcripts, None) , ( protein: CD27, None) 