3139
The number of glucocorticoid receptors ( GCR ) in peripheral leukocytes was determined by radioligand-binding assay in extrinsic and intrinsic asthmatics .
 ( cell type: peripheral leukocytes, None) , ( protein: GCR, None) , ( protein: glucocorticoid receptors, 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 type: peripheral leukocytes, None) , ( protein: GCR, None) , ( protein: glucocorticoid receptors, None) 