448
Monocyte-macrophage differentiation was used as a model system for studying gene regulation of the human vacuolar H(+)-ATPase ( V-ATPase ).
 ( protein: V-ATPase, None) , ( protein: human vacuolar H(+)-ATPase, 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: V-ATPase, None) , ( protein: human vacuolar H(+)-ATPase, None) 