12979
These data indicate a highly polarized functional architecture for antigen processing and presentation by intestinal epithelial cells , and suggest that the functional outcome of antigen processing by the intestinal epithelium is both dependent on the cellular surface at which the foreign antigen is internalized and by the underlying degree of mucosal inflammation
 ( cell type: intestinal epithelial cells, 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:
 ( cell type: intestinal epithelial cells, None) 