14751
DESIGN: Infected promyelocytic and promonocytic cells were examined because they normally express both types of TNF receptors .
 ( cell type: promyelocytic, None) , ( protein: TNF receptors, None) , ( cell type: promonocytic 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: promyelocytic, None) , ( protein: TNF receptors, None) , ( cell type: promonocytic cells, None) 