TABLE 3.
List of validated v-miR targets involved in the regualtion of antigen processing and presentation and T cell activation and polarization
Viral miR Modulation of Adaptive Immune Responses | |||
---|---|---|---|
Antigen processing and presentation | |||
Viral miR | Target | Functional impact | References |
HCMV miR-UL112; EBV miR-BART-2–5p; KSHV miR-K12–1 | MICB | NK cell/CD8+ T cell/γδ T cell cytolytic evasion by reducing stimulatory signals through NKG2D receptor | Nachmani et al95; Stern-Ginossar et al96 |
HCMV miR-US25-2-3p | TIMP3 | Degradation of MICA and hence reduced NKG2D activation | Esteso et al97 |
BHRF1–3; BART17 | TAP2 | Blocks peptide transport | Tagawa et al94 |
EBV miR-BART2 BHRF1–2 | CTSB | Interferes with MHC class I antigen processing | Tagawa et al94 |
HCMV miR-US4–1 | ERAP1 | Reduced antigen degradation and presentation to CD8 + T cells | Kim et al98 |
EBV miR-BART1–5p; BART3; BART15; BART16; BART17–5p | LMP1 (viral) | Downregulation of highly immunogenic viral latency membrane protein 1 | Lo et al99 |
EBV miR-BART22 | LMP2A | Downregulation of highly immunogenic viral latency membrane protein 2A | Lung et al100 |
EBV miR-BART2 | LGMN | Reduced processing of MHC II bound pathogenic antigens | Tagawa et al94 |
EBV miR-BART1 | IFI30 | Inhibition of MHC class II-restricted antigen processing | Tagawa et al94 |
EBV miR-BART1–5p | LY75 | Impaired antigen presentation on MHC | Skalsky et al12 |
T cell activation and polarization | |||
EBV BART1; BART2; BART10; BART22; BHRF1 | IL12B | Prevents polarization of Th cells to antiviral Th1 subtype | Tagawa et al94 |
HCMV-UL-148D | CCL5 | Reduced NK cell activation and T cell recruitment | Kimet al101 |
EBV BHRF1–3 | CXCL11 | Inhibition of chemotaxis of activated T cells | Xia et al102 |