Table 6.
Component | Gene Product | Mechanism | Reference |
---|---|---|---|
HLA class I | BGLF5 | degradation of HLA class I | [235,245] |
BNLF2a | inhibition of peptide transport by blocking | [233,240,241] | |
BILF1 | impaired HLA class I export increased turnover of HLA class I surface molecules |
[234,237,238,275] | |
BCRF1 (vIL-10) | inhibition of HLA class I | [251] | |
EBNA1 | disruption of peptide generation and transport | [239] | |
EBNA2 | inhibition of peptide generation and presentation | [243] | |
HLA class II | gp42 (BZLF2) | block of TCR/HLA class II interaction | [246,247] |
BGLF5 | degradation of HLA class II | [245] | |
Zta | inhibition of CIITA promoter activity, posttranscriptional regulation by impairing function of the invariant chain |
[248] | |
BCRF1 (vIL-10) | inhibition of HLA class II expression | [276] | |
Checkpoints | LMP1 | induction of soluble PD-L1 | [277] |
TLR/NF-ĸB pathway |
BGLF5 | downregulation of TLR-2 and -9 | [245] |
BZLF1 | inhibition of NF-ĸB | [278] | |
BGLF4 | suppression of NF-ĸB activity | [279] | |
BPLF1 | inhibition of NF-ĸB activation by reversion of ubiquitination of TLR signaling |
[280,281] | |
EBNA1 | inhibition of NF-ĸB | [282] | |
LMP1 | reduction of TLR-9 | [283] | |
LMP2 | inhibition of NF-ĸB | [284] | |
IRFs/IFN type I signaling | BZLF1 | inhibition of IRF7 transcriptional activity; reduction of IFN-ƴ receptor | [271,285] |
BILF4 | inhibition of IRF7 | [286] | |
BGLF4 | inhibition of IRF3 | [287] | |
BRLF1 | reduction of IRF3 and IRF7 expression | [288] | |
EBNA1 | modulation of STAT1 signaling | [289] | |
EBNA-2 | inhibition of ISGs | [290,291] | |
LMP-1 | regulation of STAT1 | [292] | |
LMP-2a | inhibition of JAK/STAT signaling, acceleration of IFN receptor turnover | [293] | |
LMP-2b | acceleration of IFN receptor degradation | [293] |