12421
RESULTS: There were no significant differences in the number (6500+/-1001 sites/cell and 6352+/-1697 sites/cell, respectively; P > 0.05) and affinity (3.93+/-0.89 nM and 4.49+/-0.71 nM, respectively; P > 0.05) of GR between the PCOS patients and the controls .
 ( protein: GR, 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: GR, None) 