10970
These EKLF-/- ES cells were capable of undergoing in vitro differentiation to form definitive erythroid colonies that were similar in size and number to those formed by wild-type ES cells .
 ( cell type: wild-type ES cells, None) , ( cell line: EKLF-/- ES 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:
 ( cell type: wild-type ES cells, None) , ( cell line: EKLF-/- ES cells, None) 