9163
Phenylarsine oxide ( PAO ), which is described as an inhibitor of tyrosine phosphatase activity , inhibits H2O2 release from human peripheral blood mononuclear cells ( PBMCs ) as measured by electrochemistry .
 ( protein: tyrosine phosphatase, None) , ( cell type: human peripheral blood mononuclear cells, None) , ( cell type: PBMCs, 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: tyrosine phosphatase, None) , ( cell type: human peripheral blood mononuclear cells, None) , ( cell type: PBMCs, None) 