Semin Thromb Hemost 2021; 47(04): 419-426
DOI: 10.1055/s-0041-1726033
Review Article

Platelet Function in Viral Immunity and SARS-CoV-2 Infection

Afaf Allaoui
1   Department of Biology, Faculty of Sciences, Mohammed V University, Rabat, Morocco
,
Akif A. Khawaja
2   National Heart and Lung Institute, Imperial College London, London, United Kingdom
,
Oussama Badad
1   Department of Biology, Faculty of Sciences, Mohammed V University, Rabat, Morocco
3   Department of Plant, Southern Illinois University, Carbondale, Illinois
,
Mariam Naciri
1   Department of Biology, Faculty of Sciences, Mohammed V University, Rabat, Morocco
,
Marie Lordkipanidzé
4   Research Center, Montreal Heart Institute, Montréal, Quebec, Canada
5   Faculty of pharmacy, Université de Montréal, Montréal, Québec, Canada
,
Fadila Guessous
6   Microbiology, Immunology and Cancer Biology, School of Medicine, University of Virginia, Charlottesville, Virginia
7   Department of Biological Sciences, Faculty of Medicine, Mohammed VI University of Health Sciences, Casablanca, Morocco
,
Younes Zaid
1   Department of Biology, Faculty of Sciences, Mohammed V University, Rabat, Morocco
8   Research Center of Abulcasis University of Health Sciences, Cheikh Zaïd Hospital, Rabat, Morocco
› Author Affiliations
Funding None.

Abstract

Platelets, as nonnucleated blood components, are classically recognized for their pivotal role in hemostasis. In recent years, however, accumulating evidence points to a nonhemostatic role for platelets, as active participants in the inflammatory and immune responses to microbial organisms in infectious diseases. This stems from the ability of activated platelets to secrete a plethora of immunomodulatory cytokines and chemokines, as well as directly interplaying with viral receptors. While much attention has been given to the role of the cytokine storm in the severity of the coronavirus disease 2019 (COVID-19), less is known about the contribution of platelets to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. Here, we give a brief overview on the platelet contribution to antiviral immunity and response during SARS-CoV-2 infection.

Authors' Contributions

A.A., A.A.K., O.B., M.N., M.L., F.G., and Y.Z. contributed to literature search and writing of this review. A.A.K., M.L., F.G., and Y.Z. designed the structure and content of this review. Y.Z. provided the figure. All authors approved the submitted version of the manuscript.




Publication History

Article published online:
13 April 2021

© 2021. Thieme. All rights reserved.

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