IMR Press / FBL / Volume 29 / Issue 1 / DOI: 10.31083/j.fbl2901008
Open Access Review
Potential Alternative Receptors for SARS-CoV-2-Induced Kidney Damage: TLR-4, KIM-1/TIM-1, and CD147
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1 Department of Pharmacology and Toxicology, American University of Beirut Faculty of Medicine, 1107-2020 Beirut, Lebanon
2 The Cardiovascular, Renal, and Metabolic Diseases Research Center of Excellence, American University of Beirut Medical Center, Riad El-Solh, 1107-2020 Beirut, Lebanon
3 Department of Signaling and Cardiovascular Pathophysiology, University Paris Saclay, INSERM UMR_1180, 91400 Orsay, France
4 MatriceLab Innove Laboratory, Immeuble Les Gemeaux, 94000 Creteil, France
5 Department of Pharmacology and Toxicology, School of Medicine, University of Mississippi Medical Center, Jackson, MS 39216, USA
6 Division of Cardiology, Department of Internal Medicine, American University of Beirut Medical Center, 1107-2020 Beirut, Lebanon
*Correspondence: fz15@aub.edu.lb (Fouad A. Zouein)
Front. Biosci. (Landmark Ed) 2024, 29(1), 8; https://doi.org/10.31083/j.fbl2901008
Submitted: 17 October 2023 | Revised: 7 November 2023 | Accepted: 14 November 2023 | Published: 12 January 2024
Copyright: © 2024 The Author(s). Published by IMR Press.
This is an open access article under the CC BY 4.0 license.
Abstract

Kidney damage in severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) can occur even in patients with no underlying kidney disease. Signs of kidney problems can progress to a state that demands dialysis and hampering recovery. Although not without controversy, emerging evidence implicates direct infectivity of SARS-CoV-2 in the kidney. At the early stage of the pandemic, consideration was mainly on the well-recognized angiotensin-converting enzyme 2 (ACE2) receptor as being the site for viral interaction and subsequent cellular internalization. Despite the abundance of ACE2 receptors in the kidneys, researchers have expanded beyond ACE2 and identified novel viral entry pathways that could be advantageously explored as therapeutic targets. This review presents the potential involvement of toll-like receptor 4 (TLR-4), kidney injury molecule-1/T cell immunoglobulin mucin domain 1 (KIM-1/TIM-1), and cluster of differentiation 147 (CD147) in SARS-CoV-2-associated renal damage. In this context, we address the unresolved issues surrounding SARS-CoV-2 renal infectivity.

Keywords
renal disease
COVID-19
viral infection
acute kidney injury
Funding
103944/American University of Beirut Faculty of Medicine
104230/Centre National de la Recherche Scientifique (CNRS)
ANICOV-HF/Agence nationale des recherches (ANR) et l’Agence française de développement (AFD)
#ANR-21-LIBA-0009-01/Agence nationale des recherches (ANR) et l’Agence française de développement (AFD)
P20GM121334/National Institute of General Medical Sciences of the National Institutes of Health
Figures
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