Journal
CURRENT TREATMENT OPTIONS IN NEUROLOGY
Volume 22, Issue 11, Pages -Publisher
CURRENT MEDICINE GROUP
DOI: 10.1007/s11940-020-00647-z
Keywords
SARS-CoV-2; SARS-2; COVID-19; Pandemic; Neuroinvasion; CNS penetration; Neurological manifestations; Coronaviruses (CoVs); Neurotropism; Neurovirulence
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Purpose of Review To describe the possible neuroinvasion pathways of Severe Acute Respiratory Syndrome-related Coronavirus-2 (SARS-CoV-2), the virus responsible for the Coronavirus disease-19 (Covid-19) pandemic. Recent Findings We present data regarding the family of Coronaviruses (CoVs) and the central nervous system (CNS), and describe parallels between SARS-CoV-2 and other members of the family, which have been investigated in more depth and combine these findings with the recent advancements regarding SARS-CoV-2. SARS-CoV-2 like other CoVs is neuroinvasive, neurotropic and neurovirulent. Two main pathways of CNS penetration seem to be the strongest candidates, the hematogenous and the neuronal. tau he olfactory route in particular appears to play a significant role in neuroinvasion of coronaviruses and SARS-CoV-2, as well. However, existing data suggest that other routes, involving the nasal epithelium in general, lymphatic tissue and the CSF may also play roles in SARS-CoV-2 invasion into the CNS.
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