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TLRs in COVID-19: How they drive immunopathology and the rationale for modulation
oleh: F. Linzee Mabrey, Eric D Morrell, Mark M Wurfel
| Format: | Article |
|---|---|
| Diterbitkan: | SAGE Publishing 2021-10-01 |
Deskripsi
COVID-19 is both a viral illness and a disease of immunopathology. Proximal events within the innate immune system drive the balance between deleterious inflammation and viral clearance. We hypothesize that a divergence between the generation of excessive inflammation through over activation of the TLR associated myeloid differentiation primary response (MyD88) pathway relative to the TIR-domain-containing adaptor-inducing IFN-β (TRIF) pathway plays a key role in COVID-19 severity. Both viral elements and damage associated host molecules act as TLR ligands in this process. In this review, we detail the mechanism for this imbalance in COVID-19 based on available evidence, and we discuss how modulation of critical elements may be important in reducing severity of disease.