They are regulation of response to biotic stimulus, regulation of innate immune response, positive regulation of defense response, response to oxygen levels, response to decreased oxygen levels, positive regulation of response to biotic stimulus, response to hypoxia, response to interleukin-1, human cytomegalovirus infection, epstein-Barr virusinfection, MAPK signaling pathway, TNF signaling pathway, kaposi sarcoma-associated herpesvirus infection, lipid and atherosclerosis, hepatitis B, IL-17 signaling pathway, focal adhesion and prolactin signaling pathway. The gene discussed is PRL; the disease is hepatitis B virus infection.