6745
K562 cells express endogenous WT1 , which is downregulated as a response to induced differentiation along the erythroid and megakaryocytic pathways .
 ( DNA: WT1, None) , ( cell line: K562 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:
 ( DNA: WT1, None) , ( cell line: K562 cells, None) 