3521
It is remarkable that in B-CLL cells the nuclear appearance and DNA binding of specific transcription factors is dramatically affected whereas other members of the same factor family remained unaltered in these leukemic cells.
 ( protein: factor family, None) , ( protein: transcription factors, None) , ( cell type: B-CLL cells, 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: factor family, None) , ( protein: transcription factors, None) , ( cell type: B-CLL cells, None) 