EBV genes BKRF1 BYRF1 BLF-BERF (1, 2, 3/4) BNLF1 BNLF2 BCRF1
EBV-protein EBNA-1 EBNA-2 EBNA-3 (A,B,C) LMP-1 LMP-2 (A,B) Not translated EBER-1,2
Immunogenic properties * -/+ + ++ -/+ -/+ -
EBV infection phase Lytic phase ** + + + - - -
Latency phase + -/+ -/+ -/+ -/+ +
EBV latency patterns Type 1 (Burkitt's lymphoma) + - - - - +
Type 2 (nasopharyngeal carcinoma, Hodgkin's lymphoma and NK/T-cell neoplasms) + - - + + +
Type 3 (Infectious mononucleosis, AIDS associated lymphomas, post-transplant B-cell LPD) + + + + + +
Others (healthy carriers) + - - - + +
AIDS: Acquired Immunodeficiency Syndrome; CTL: Cytotoxic T Cells; EBV: Epstein Barr virus; EBNA: EBV Nuclear Antigens; LMP: EBV Latent Membrane Proteins; EBER: Early Region Epstein Barr Virus RNA; LPD: Lympho Proliferative Disorder; NFκB: Nuclear Factor kappa B; TNFR: Tumor Necrosis Factor Receptor; PKC: Protein Kinase C.
* Immunogenic properties for the generation of cytotoxic T cells;
** Other EBV antigens expressed during the lytic phase are the EBV-EA (early antigens), the EBV-MA (membrane antigen), the EBV-VCA (viral capsid antigen) and the EBV-AN (alkaline nuclease)
Table 1: Expression of EBV genes and proteins during the viral cycle and viral latency phase patterns associated with EBV related diseases [1,2].