8944
In contrast, activation in THP-1 cells occurred in the absence of vanadate and was unaffected by catalase .
 ( protein: catalase, None) , ( protein: THP-1 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:
 ( protein: catalase, None) , ( protein: THP-1 cells, None) 