A New Diagnostic Marker for Secreted Epstein-Barr Virus–Encoded LMP1 and BARF1 Oncoproteins in the Serum and Saliva of Patients with Nasopharyngeal Carcinoma

Both proteins will be a good diagnostic marker for NPC whereas BARF1 is a particularly promising marker for all ages of patients with NPC. Their mitogenic activity suggests their implication in the oncogenic development of NPC.