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- Title
Interactions of SARS-CoV-2 with the Blood–Brain Barrier.
- Authors
Erickson, Michelle A.; Rhea, Elizabeth M.; Knopp, Rachel C.; Banks, William A.; Kaddoumi, Amal
- Abstract
Emerging data indicate that neurological complications occur as a consequence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. The blood–brain barrier (BBB) is a critical interface that regulates entry of circulating molecules into the CNS, and is regulated by signals that arise from the brain and blood compartments. In this review, we discuss mechanisms by which SARS-CoV-2 interactions with the BBB may contribute to neurological dysfunction associated with coronavirus disease of 2019 (COVID-19), which is caused by SARS-CoV-2. We consider aspects of peripheral disease, such as hypoxia and systemic inflammatory response syndrome/cytokine storm, as well as CNS infection and mechanisms of viral entry into the brain. We also discuss the contribution of risk factors for developing severe COVID-19 to BBB dysfunction that could increase viral entry or otherwise damage the brain.
- Subjects
BLOOD-brain barrier; COVID-19; SARS-CoV-2; SYSTEMIC inflammatory response syndrome; CENTRAL nervous system viral diseases; CYTOKINE release syndrome; NEUROLOGIC manifestations of general diseases
- Publication
International Journal of Molecular Sciences, 2021, Vol 22, Issue 5, p2681
- ISSN
1661-6596
- Publication type
Article
- DOI
10.3390/ijms22052681