13589
The results of these and other studies suggest that additional C/EBPalpha target genes , possibly other cytokine receptors, are also important for the block in granulocyte differentiation observed in vivo in C/EBPalpha -deficient mice .
 ( DNA: C/EBPalpha target genes, None) , ( protein: C/EBPalpha, None) , ( protein: C/EBPalpha, 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: C/EBPalpha target genes, None) , ( protein: C/EBPalpha, None) , ( protein: C/EBPalpha, None) 