Inflammatory cytokine: IL-17A signaling pathway in patients present with COVID-19 and current treatment strategy

T Shibabaw - Journal of inflammation research, 2020 - Taylor & Francis
T Shibabaw
Journal of inflammation research, 2020Taylor & Francis
Abstract Coronavirus disease 2019 (COVID-19) is a globally communicable public health
disease caused by severe acute respiratory syndrome coronavirus 2 (SARS‐CoV-2).
Eradication of COVID-19 appears practically impossible but, therefore, more effective
pharmacotherapy is needed. The deteriorated clinical presentation of patients with COVID-
19 is mainly associated with hypercytokinemia due to notoriously elevated pro-inflammatory
cytokines such as interleukin (IL)-1B, IL-6, IL-8, IL-17, granulocyte-macrophage colony …
Abstract
Coronavirus disease 2019 (COVID-19) is a globally communicable public health disease caused by severe acute respiratory syndrome coronavirus 2 (SARS‐CoV-2). Eradication of COVID-19 appears practically impossible but, therefore, more effective pharmacotherapy is needed. The deteriorated clinical presentation of patients with COVID-19 is mainly associated with hypercytokinemia due to notoriously elevated pro-inflammatory cytokines such as interleukin (IL)-1B, IL-6, IL-8, IL-17, granulocyte-macrophage colony-stimulating factor (GM-CSF), granulocyte colony-stimulating factor (G-CSF), interferon-γ-inducible protein (IP10), monocyte chemoattractant protein (MCP1), and tumor necrosis factor-α (TNFα), and is usually responsible for cytokine release syndrome. In the cytokine storm, up-regulation of T-helper 17 cell cytokine IL-17A, and maybe also IL-17F, is mostly responsible for the immunopathology of COVID-19 and acute respiratory distress syndrome. Herein, I meticulously review the exuberant polarization mechanism of naïve CD4+ T cells toward Th17 cells in response to SARS-CoV-2 infection and its associated immunopathological sequelae. I also, propose, for clinical benefit, targeting IL-17A signaling and the synergic inflammatory cytokine IL-6 to manage COVID-19 patients, particularly those presenting with cytokine storm syndrome.
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