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Gastrointestinal mucosal immunity and COVID-19
Tsvetelina Velikova1, Violeta Snegarova2, Alexander Kukov3
1Department of Clinical Immunology, University Hospital Lozenetz, Medical Faculty, Sofia University, St. Kliment Ohridski, Sofia 1407, Bulgaria. tsvelikova@medfac.mu-sofia.bg.
World Journal of Gastroenterology
|September 9, 2021
Summary
The gut immune system is critical for defending against SARS-CoV-2, the virus causing COVID-19. Stimulating this mucosal immunity may offer better protection and therapeutic strategies against the severe acute respiratory syndrome coronavirus 2 infection.
Area of Science:
- Immunology
- Virology
- Gastroenterology
Background:
- The gastrointestinal tract is a potential entry and interaction site for SARS-CoV-2.
- Gastrointestinal symptoms in COVID-19 patients correlate with poorer clinical outcomes.
- The gut mucosal immune system acts as a vital defense against pathogens.
Purpose of the Study:
- To review current data on SARS-CoV-2 interactions with the gut mucosal immune system.
- To highlight the critical role of gut immunity in COVID-19 pathogenesis and outcomes.
- To explore the potential of targeting mucosal immunity for prevention and therapy.
Main Methods:
- Literature review of recent studies on SARS-CoV-2 and gut immunity.
- Analysis of immune cell and molecule interactions within the gut mucosa during infection.
- Synthesis of data linking gastrointestinal involvement to COVID-19 severity.
Main Results:
- SARS-CoV-2 interacts with immune cells and molecules in the gut mucosa.
- Gastrointestinal tract involvement is associated with adverse COVID-19 clinical outcomes.
- The gut mucosal immune system plays a significant role in the host's response to SARS-CoV-2.
Conclusions:
- Further research is needed to fully elucidate the role of the gut mucosal immune system in SARS-CoV-2 infection.
- Targeting mucosal immunity could be a promising strategy for COVID-19 prevention and treatment.
- Vaccines designed to induce mucosal immunity may offer superior protection against SARS-CoV-2.
Keywords:
COVID-19Gut microbiotaGut mucosaMucosaMucosa-associated lymphoid tissueSARS-CoV-2Secretory immunoglobulin AMore Related Videos
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