9158
Pretreatment of PBMCs with pertussis toxin blocked the functions of C3a and C3a(desArg) , indicating that the actions of these two molecules are mediated by a G protein -coupled pathway .
 ( cell type: PBMCs, None) , ( protein: C3a, None) , ( protein: C3a(desArg), None) , ( protein: pertussis toxin, None) , ( protein: G protein, 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: PBMCs, None) , ( protein: C3a, None) , ( protein: C3a(desArg), None) , ( protein: pertussis toxin, None) , ( protein: G protein, None) 