4791
In vitro, chronically HIV -infected cells of the lymphoid CEM line displayed resistance to glucocorticoid-induced apoptosis .
 ( cell line: chronically HIV -infected cells, None) , ( cell line: lymphoid CEM 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: chronically HIV -infected cells, None) , ( cell line: lymphoid CEM line, None) 