4998
Finally, we have studied the progression of one case of CLL into Richter's syndrome and have found that the Richter's cells expressed about 25-fold less A-myb RNA than the CLL cells from the same patient. The pattern of c-myb and B-myb was clearly distinct from that of A-myb .
 ( DNA: A-myb, None) , ( DNA: B-myb, None) , ( RNA: A-myb RNA, None) , ( cell line: Richter#$%#s cells, None) , ( cell line: CLL cells, None) , ( DNA: c-myb, None) , ( DNA: A-myb, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( DNA: A-myb, None) , ( DNA: B-myb, None) , ( RNA: A-myb RNA, None) , ( cell line: Richter#$%#s cells, None) , ( cell line: CLL cells, None) , ( DNA: c-myb, None) , ( DNA: A-myb, None) 