2603
In addition, a human breast carcinoma cell line ( ZR-75-1 ), which expresses the progesterone receptor , was analysed throughout.
 ( cell line: ZR-75-1, None) , ( protein: progesterone receptor, None) , ( cell line: human breast carcinoma cell line, 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: ZR-75-1, None) , ( protein: progesterone receptor, None) , ( cell line: human breast carcinoma cell line, None) 