https://doi.org/10.1016/j.bsheal.2023.08.005
During severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection, activated macrophages, dendritic cells, neutrophils, and natural killer cells are the first defense against infection. These immune effectors trap and ingest the virus, kill infected epithelial cells, or produce anti-viral cytokines. Evidence suggests that aging, obesity, and mental illness can lead to weakened innate immunity and, thus, are all associated with elevated infection and severe disease progression of coronavirus disease 2019 (COVID-19). Innate immune defense networks play a fundamental role in suppressing viral replication, infection establishment, and viral pathogenesis of SARS-CoV-2 and other respiratory viruses.
Key points
- The innate immune is the first line of defense against the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection.
- Aging, obesity, and mental illness can be detrimental to innate immunity.
- Nutrition, traditional Chinese medicine (TCM), and heat shock proteins (HSPs) are conducive to innate immunity.
- Innate immunity plays a double-edged role in coronavirus disease 2019 (COVID-19) patients.
Keywords: Innate immunity, SARS-CoV-2, Traditional Chinese medicine, Depression, Heat shock protein
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CiteScore: 4.8
ISSN 2590-0536
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Zihao Wang, Fang Cheng, Yuxiu Xu, Xin Li, Songdong Meng, Role of innate immunity in SARS-CoV-2 infection, Biosafety and Health, 2023, ISSN 2590-0536, https://doi.org/10.1016/j.bsheal.2023.08.005