Table 10. Hypothesized mechanisms of African swine fever virus pathogenesis and immune evasion inferred from differentially expressed genes (DEG) down- or up-regulated in infected macrophages with listed references used for biological inferences and tables contain the DEG.
Mechanisms | DEG | Expression | Table | Biological activity | Reference |
---|---|---|---|---|---|
Hemorrhagic fever by cytokine storm | TNFs, IFNs, IL17 | up | 4 | Pro-inflammation | 11–13, 29, 34 |
IL10 | down | 4 | anti-inflammation | 35 | |
Neutrophilia / inhibition of NETs1 | CSF3 | up | 5 | neutrophil production | 27 |
ELR+ CXCLs | down | 5 | neutrophil recruitment | 28, 43 | |
Lymphopenia / T cell suppression | TNFSF10 | up | 4 | lymphocyte toxicity | 26 |
CXCL10, CXCL16 | up | 5 | T cell recruitment | 28, 45 | |
IL27, IDO1 | up | 4, S1 | Treg cell differentiation | 39, 40 | |
Suppression of macrophage M1 activation | P2Rs, TLRs | down | 6 | macrophage M1 activation | 47, 49 |
C3AR1, C5AR1 | down | 6 | macrophage M1 activation | 48 | |
IL13 | up | 4 | macrophage M2 activation | 38 | |
IFN & TNF receptors | down | 6 | macrophage M1 activation | 46, 50 | |
Cytokine signaling inhibition | SIGLEC1, USP18, SOCS1 | up | 9 | cytokine signaling suppression | 66–68 |
TRADD, FADD | down | 9 | TNF signal transduction | 46 | |
IL1RN, IL18BP | up | 4 | IL1 & IL18 signaling inhibition | 36 | |
12 TFs, 8 STs2 | down | 9 | cytokine signal transduction | 46, 63, 64 | |
Inhibition of MHC epitope processing, loading and presentation | SLA-DMA, SLA-DMB | down | 7 | MHC Class II epitope loading | 52 |
SLA-DOA, SLA-DOB | up | 7 | inhibition of SLA-DM | 52 | |
CTSs & PSMs | down | 7 | MHC epitope procession | 52 | |
5 ATGs | down | 8 | endogenous antigen routing | 61 | |
IL7R, NUPR1 | up | 6, 8 | autophagy inhibition | 55, 56 | |
GADD45, BNIP3 | down | 8 | autophagy and apoptosis | 57, 58 | |
TNFSF11, TNFSF15 | down | 4 | MHC antigen presentation | 53, 54 | |
Inhibition of classical monocyte recruitment | CCL2 | Down | 5 | classical monocytes | 28, 42 |
CCL3, CCL4, CCL5 | up | 5 | non-classical monocytes | 42 |
1 NETs: neutrophil extracellular traps
2 TFs: immune-related transcription factor and STs: signal transducers