12019
Moreover, we found that ectopic expression of a B-cell-specific transcription factor ( Oct-2 ) dramatically altered both the phenotype and chromosome constitution of hybrids arising in these cell fusions .
 ( protein: Oct-2, None) , ( protein: B-cell-specific transcription factor, 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: Oct-2, None) , ( protein: B-cell-specific transcription factor, None) 