12125
Many studies show that monoamine oxidase B in blood cells is a biological marker for personality characteristics such as sensation seeking.
 ( cell type: blood cells, None) , ( protein: monoamine oxidase B, 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: blood cells, None) , ( protein: monoamine oxidase B, None) 