13673
Prior to in vivo IL-2 administration, the typical binding pattern of transcription factors in PBMC from patients resembled that seen in fresh PBMC from healthy individuals .
 ( cell type: PBMC, None) , ( protein: IL-2, None) , ( protein: transcription factors, None) , ( cell type: PBMC, 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: PBMC, None) , ( protein: IL-2, None) , ( protein: transcription factors, None) , ( cell type: PBMC, None) 