Biomedicine & Pharmacotherapy (Oct 2021)

Interleukin-17A (IL-17A): A silent amplifier of COVID-19

  • Francesco Maione,
  • Gian Marco Casillo,
  • Federica Raucci,
  • Cristian Salvatore,
  • Giovanna Ambrosini,
  • Luisa Costa,
  • Raffaele Scarpa,
  • Francesco Caso,
  • Mariarosaria Bucci

Journal volume & issue
Vol. 142
p. 111980

Abstract

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One of the hallmarks of COVID-19 is the cytokine storm that provokes primarily pneumonia followed by systemic inflammation. Emerging evidence has identified a potential link between elevated interleukin-17A (IL-17A) levels and disease severity and progression. Considering that per se, IL-17A can activate several inflammatory pathways, it is plausible to hypothesize an involvement of this cytokine in COVID-19 clinical outcomes. Thus, IL-17A could represent a marker of disease progression and/or a target to develop therapeutic strategies. This hypothesis paper aims to propose this “unique” cytokine as a silent amplifier of the COVID-19 immune response and (potentially) related therapy.

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