8702
GRbeta can neither antagonize GRalpha -mediated transactivation nor transrepression in Jurkat cells , indicating a cell type-specific pattern of GRbeta -mediated antiglucocorticoid activity .
 ( protein: GRalpha, None) , ( protein: GRbeta, None) , ( cell line: Jurkat cells, None) , ( protein: GRbeta, 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: GRalpha, None) , ( protein: GRbeta, None) , ( cell line: Jurkat cells, None) , ( protein: GRbeta, None) 