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. 2021 Apr 15;7(3):121–141. doi: 10.1109/TMBMC.2021.3071780

TABLE IV. Viral Infection Impact and Immune Markers for Entry Points.

Type Infection impact Specific immune markers Specific antibodies Ref.
SARS-CoV (1–2) Initiates by the attachment of ACE2 glycoprotein to host receptors SARS-CoV-2: Lower CD4, CD8, NK cell counts, PD-1, Tim-3 on T cells, Phenotype change in monocytes, IP-10, MCP-3, IL-1RA, IL-6, IL-8, IL-10, IL-2R, IL-1 Inline graphic, IL-4, IL-18, GM-CSF, IL-2 and IFN- Inline graphic Neutralising IgG antibodies that target internal N protein or external S glycoprotein (RBD) [74], [75]
MERS-CoV Initiates by the attachment of a glycoprotein to host DPP4 receptor IFN- Inline graphic, IL-12, IL-17, IFN- Inline graphic RBD of S protein [76]
EBOV Initiates by the attachment of glycoprotein to host receptors IL-1 Inline graphic (high), TNF- Inline graphic (high), IL-6 (high), IL-1RA, sTNF-R (high), SIL-6R, MIP-1 Inline graphic, MIP-1 Inline graphic, Neopterin, SAA, NO2-, Cortisol, IL-10 Epitopes on the glycoprotein (RBD) [77], [78]
DENV Initiates by glycoprotein E protein binding to DC-SIGN, a C-type lectin IFN- Inline graphic, IL-6, IL-15, TNF- Inline graphic, IL-1RA, CXCL8, CCL3, CCL4, CCL5, CCL11, M-CSF, G-CSF, ICAM-1, L-Selectin, P-Selectin, CD40, CD40L, Fas, FasL, TRAIL-R2, TRAIL-R3, RANK-L, C3a, IL-2R, TNF-R1 Envelope glycoprotein (non-neutralising antibodies may cause ADE) [79], [80]
ZIKV Initiates by the attachment of the viral glycoprotein E protein to host receptors CXCL10, ST2/IL-1R4 IgM binds ZIKV pre-membrane and envelope glycoprotein [79], [81]
HCV Initiates by E2 protein interacting with cell surface heparan sulfate proteoglycans CD127+CD8+ T cells, CD127-CD8+ T cells, CD161+CD8+ T cells, PD-1, Regulatory CD4+ and CD8 T cells, IL-10, CXCR3, CXCR6 IgG binds HCV E1E2 envelope glycoprotein [82], [83], [84]