11641
Interleukin-12 ( IL-12 ), a heterodimeric cytokine produced by activated monocytes and dendritic cells, plays a crucial role in regulating interferon (IFN)-gamma production and in the generation of IFN-gamma -producing T helper 1 (Th1) cells .
 ( protein: IL-12, None) , ( cell type: IFN-gamma -producing T helper 1 (Th1) cells, None) , ( protein: IFN-gamma, None) , ( protein: interferon (IFN)-gamma, None) , ( protein: Interleukin-12, None) , ( protein: heterodimeric cytokine, 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: IL-12, None) , ( cell type: IFN-gamma -producing T helper 1 (Th1) cells, None) , ( protein: IFN-gamma, None) , ( protein: interferon (IFN)-gamma, None) , ( protein: Interleukin-12, None) , ( protein: heterodimeric cytokine, None) 