Mechanism | Evasion strategy | Viral protein |
---|---|---|
Interferon signaling | dsRNA binding |
Influenza virus NS1 [33], VACV E3 (also inhibits DNApol III DNA sensing) [34] |
Inhibition of signaling |
VACV N1 family [5, 35–37], HCV NS3A/4 [38], influenza virus NS1 [33], HCV core proteins inhibit Jak/Stat signaling [39], HCV NS5A inhibits MyD88 [40], HIV Vif, and Vpr degrade IRF3 [37] |
|
Inhibition of IFN binding | VACV soluble IFN alpha/beta receptors [41] | |
| ||
Viral RNA/DNA sensing | Inhibitors of RIG-I |
HCV NS3A/4 proteolytic cleavage of MAVS [38, 42] |
Inhibitors of MDA5, LGP2 |
Paramyxovirus V proteins [43] | |
Inhibitors of DDX3 |
VACV K7 [5] | |
Inhibitors of the AIM2/NLRP3 Inflammasome |
KSHV vNLR [44], myxoma virus M013 [45] | |
Inhibitors of proteins activated downstream of the AIM2/NLRP3 inflammasome |
Cowpox virus crmA VACV SPI-2, sIL-1βR, and sIL-18R [41] |
|
DAI | EBV EBERmiRNAs [25] | |
| ||
Programmed cell death | Viral inhibitor of apoptosis (IAP) |
KSHV vFLIP [46] |
Viral bcl-2s |
EBV bhrf1 and balf1 [47, 48], |
|
KSHV orf16 [49] | ||
Blockade of IL-1-mediated pyroptosis | Poxvirus crmA, sIL-1β, sIL18 [41] |