8160
TLR2 and TLR4 were expressed on the cell surface of HDMEC and THP-1 cells .
 ( protein: TLR2, None) , ( protein: TLR4, None) , ( cell line: THP-1 cells, None) , ( cell type: HDMEC, 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: TLR2, None) , ( protein: TLR4, None) , ( cell line: THP-1 cells, None) , ( cell type: HDMEC, None) 