Good Cholesterol Gone Bad? HDL and COVID-19

The transmissible respiratory disease COVID-19, caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has affected millions of people worldwide since its first reported outbreak in December of 2019 in Wuhan, China. Since then, multiple studies have shown an inverse correlation...

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Bibliographic Details
Published in:International journal of molecular sciences 2021-10, Vol.22 (19), p.10182
Main Authors: Kluck, George E. G., Yoo, Jeong-Ah, Sakarya, Emmanuel H., Trigatti, Bernardo L.
Format: Article
Language:English
Subjects:
ACE2
Angiotensin
Angiotensin-converting enzyme 2
Cholesterol
Coronaviruses
COVID-19
High density lipoprotein
Lipid metabolism
Lipids
Peptidyl-dipeptidase A
Respiratory diseases
Review
Scavenger receptors
Severe acute respiratory syndrome coronavirus 2
Spike protein
Structure-function relationships
Viral infections
Viruses
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Summary:The transmissible respiratory disease COVID-19, caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has affected millions of people worldwide since its first reported outbreak in December of 2019 in Wuhan, China. Since then, multiple studies have shown an inverse correlation between the levels of high-density lipoprotein (HDL) particles and the severity of COVID-19, with low HDL levels being associated with an increased risk of severe outcomes. Some studies revealed that HDL binds to SARS-CoV-2 particles via the virus’s spike protein and, under certain conditions, such as low HDL particle concentrations, it facilitates SARS-CoV-2 binding to angiotensin-converting enzyme 2 (ACE2) and infection of host cells. Other studies, however, reported that HDL suppressed SARS-CoV-2 infection. In both cases, the ability of HDL to enhance or suppress virus infection appears to be dependent on the expression of the HDL receptor, namely, the Scavenger Receptor Class B type 1 (SR-B1), in the target cells. SR-B1 and HDL represent crucial mediators of cholesterol metabolism. Herein, we review the complex role of HDL and SR-B1 in SARS-CoV-2-induced disease. We also review recent advances in our understanding of HDL structure, properties, and function during SARS-CoV-2 infection and the resulting COVID-19 disease.
ISSN:1422-0067
1661-6596
1422-0067
DOI:10.3390/ijms221910182