8604
We therefore created and studied a T cell line expressing the cloned delta-opioid receptor ( DOR1 ).
 ( protein: cloned delta-opioid receptor, None) , ( protein: DOR1, None) , ( cell line: T 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:
 ( protein: cloned delta-opioid receptor, None) , ( protein: DOR1, None) , ( cell line: T cell line, None) 