699
AhR was expressed at high levels in monocytoid U937 , THP1 , and HEL/S cells , and at moderate levels in promyelocytic HL60 cells and erythroblastic HEL cells .
 ( cell line: HEL/S cells, None) , ( cell line: monocytoid U937, None) , ( cell line: erythroblastic HEL cells, None) , ( protein: AhR, None) , ( cell line: THP1, None) , ( cell line: promyelocytic HL60 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 line: HEL/S cells, None) , ( cell line: monocytoid U937, None) , ( cell line: erythroblastic HEL cells, None) , ( protein: AhR, None) , ( cell line: THP1, None) , ( cell line: promyelocytic HL60 cells, None) 