期刊
INFECTIOUS DISEASE REPORTS
卷 13, 期 1, 页码 102-125出版社
MDPI
DOI: 10.3390/idr13010013
关键词
SARS-COV-2; COVID-19; immunopathogenesis; therapeutics; vaccines
资金
- University of South Florida Pandemic Response Research Network funding for COVID-19, Veterans Affairs Merit Review grants [BX003685, BX002668, IK6BX003778, IK6BX004212]
SARS-CoV-2 is a novel coronavirus that emerged from Wuhan, China in late 2019, causing COVID-19, with various potential receptors for attachment. The spectrum of infection pathology ranges from asymptomatic to severe respiratory distress syndrome, with dysregulated immune responses and decreasing antibody titers. Treatment options for COVID-19 include immunotherapies, peptide therapies, and nucleic acid vaccines.
Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2) is a novel coronavirus that emerged from Wuhan, China in late 2019 causing coronavirus disease-19 (COVID-19). SARS-CoV-2 infection begins by attaching to angiotensin-converting enzyme 2 receptor (ACE2) via the spike glycoprotein, followed by cleavage by TMPRSS2, revealing the viral fusion domain. Other presumptive receptors for SARS-CoV-2 attachment include CD147, neuropilin-1 (NRP1), and Myeloid C-lectin like receptor (CLR), each of which might play a role in the systemic viral spread. The pathology of SARS-CoV-2 infection ranges from asymptomatic to severe acute respiratory distress syndrome, often displaying a cytokine storm syndrome, which can be life-threatening. Despite progress made, the detailed mechanisms underlying SARS-CoV-2 interaction with the host immune system remain unclear and are an area of very active research. The process's key players include viral non-structural proteins and open reading frame products, which have been implicated in immune antagonism. The dysregulation of the innate immune system results in reduced adaptive immune responses characterized by rapidly diminishing antibody titers. Several treatment options for COVID-19 are emerging, with immunotherapies, peptide therapies, and nucleic acid vaccines showing promise. This review discusses the advances in the immunopathology of SARS-CoV-2, vaccines and therapies under investigation to counter the effects of this virus, as well as viral variants.
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