8915
Interferon-alpha ( IFN-alpha ) is a pleiotropic cytokine that has antiviral, antiproliferative, and immunoregulatory functions .
 ( protein: Interferon-alpha, None) , ( protein: pleiotropic cytokine, None) , ( protein: IFN-alpha, None) , ( protein: immunoregulatory, 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: Interferon-alpha, None) , ( protein: pleiotropic cytokine, None) , ( protein: IFN-alpha, None) , ( protein: immunoregulatory, None) 