Immunomodulatory meaning of diet and COVID-19

Introduction and objective The latest scientific reports showed that there is a relationship between the state of the gastrointestinal tract and the immune system, and the incidence of COVID-19. Diet can exert an immunomodulatory effect and regulate the immune response of an organism. The aim of the...

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Main Authors: Dominika Grońska, Monika Kłujsza, Aleksandra Pelczar, Jolanta Kaszuba-Zwoińska
Format: Article
Language:English
Published: Institute of Rural Health 2022-10-01
Series:Medycyna Ogólna i Nauki o Zdrowiu
Subjects:
Online Access:https://www.monz.pl/Immunomodulatory-meaning-of-diet-and-COVID-19,155414,0,2.html
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author Dominika Grońska
Monika Kłujsza
Aleksandra Pelczar
Jolanta Kaszuba-Zwoińska
author_facet Dominika Grońska
Monika Kłujsza
Aleksandra Pelczar
Jolanta Kaszuba-Zwoińska
author_sort Dominika Grońska
collection DOAJ
description Introduction and objective The latest scientific reports showed that there is a relationship between the state of the gastrointestinal tract and the immune system, and the incidence of COVID-19. Diet can exert an immunomodulatory effect and regulate the immune response of an organism. The aim of the review is to show the effects of immunomodulators contained/supplemented in a diet on the infection SARS-CoV-2 and the course of COVID-19. Review methods The literature review was conducted using PubMed, Google Scholar and the Medline database. Abbreviated description of the state of knowledge Regular vitamin D supplementation significantly reduces the risk of respiratory infection with SARS-CoV-2; vitamin C may inhibit the expression of the ACE2 receptor in human small alveolar epithelial cells and limit the penetration of SARS-CoV-2; reduced iron levels predispose people to severe COVID-19 symptoms; selenium deficiency may be responsible for a decreased level of antibodies and NK cell cytotoxicity. Aloë vera isolated polysaccharides strengthens the immune system; the quercetin and ellagic acid in combination with virus proteins show potential antiviral activity against SARSCoV- 2. Subsequently, adaptogens, ginger, echinacea and curcumin - showed anti-inflammatory effects. Also, the optimal composition of the gut microbiota improved/maintained the integrity of the lymphoid tissue found in the gastrointestinal tract (GALT) and the functioning of the gut-pulmonary axis. Summary Natural immunomodulators may be a relatively safe therapeutic option in patients during the course of COVID-19, but there are still no official recommendations for their practical use in therapy. It should be emphasized that there is a need for further scientific research into the mechanisms of action and efficacy of phytotherapy in the context of the effectiveness of plant-based immunostimulants in alleviating the course of COVID-19 disease.
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spelling doaj.art-e2f33e355f9a43b0a1641254addeeed12023-03-15T11:29:49ZengInstitute of Rural HealthMedycyna Ogólna i Nauki o Zdrowiu2083-45432084-49052022-10-0128428629410.26444/monz/155414155414Immunomodulatory meaning of diet and COVID-19Dominika Grońska0https://orcid.org/0000-0002-6393-0630Monika Kłujsza1https://orcid.org/0000-0002-9049-2648Aleksandra Pelczar2https://orcid.org/0000-0002-2760-3309Jolanta Kaszuba-Zwoińska3https://orcid.org/0000-0002-9624-0492Department of Pathophysiology, Collegium Medicum, Jagiellonian University, Kraków, PolandDepartment of Pathophysiology, Collegium Medicum, Jagiellonian University, Kraków, PolandDepartment of Pathophysiology, Collegium Medicum, Jagiellonian University, Kraków, PolandDepartment of Pathophysiology, Collegium Medicum, Jagiellonian University, Kraków, PolandIntroduction and objective The latest scientific reports showed that there is a relationship between the state of the gastrointestinal tract and the immune system, and the incidence of COVID-19. Diet can exert an immunomodulatory effect and regulate the immune response of an organism. The aim of the review is to show the effects of immunomodulators contained/supplemented in a diet on the infection SARS-CoV-2 and the course of COVID-19. Review methods The literature review was conducted using PubMed, Google Scholar and the Medline database. Abbreviated description of the state of knowledge Regular vitamin D supplementation significantly reduces the risk of respiratory infection with SARS-CoV-2; vitamin C may inhibit the expression of the ACE2 receptor in human small alveolar epithelial cells and limit the penetration of SARS-CoV-2; reduced iron levels predispose people to severe COVID-19 symptoms; selenium deficiency may be responsible for a decreased level of antibodies and NK cell cytotoxicity. Aloë vera isolated polysaccharides strengthens the immune system; the quercetin and ellagic acid in combination with virus proteins show potential antiviral activity against SARSCoV- 2. Subsequently, adaptogens, ginger, echinacea and curcumin - showed anti-inflammatory effects. Also, the optimal composition of the gut microbiota improved/maintained the integrity of the lymphoid tissue found in the gastrointestinal tract (GALT) and the functioning of the gut-pulmonary axis. Summary Natural immunomodulators may be a relatively safe therapeutic option in patients during the course of COVID-19, but there are still no official recommendations for their practical use in therapy. It should be emphasized that there is a need for further scientific research into the mechanisms of action and efficacy of phytotherapy in the context of the effectiveness of plant-based immunostimulants in alleviating the course of COVID-19 disease.https://www.monz.pl/Immunomodulatory-meaning-of-diet-and-COVID-19,155414,0,2.htmlvitaminsprobioticsdietmicroelementscovid-19plant immunostimulants
spellingShingle Dominika Grońska
Monika Kłujsza
Aleksandra Pelczar
Jolanta Kaszuba-Zwoińska
Immunomodulatory meaning of diet and COVID-19
Medycyna Ogólna i Nauki o Zdrowiu
vitamins
probiotics
diet
microelements
covid-19
plant immunostimulants
title Immunomodulatory meaning of diet and COVID-19
title_full Immunomodulatory meaning of diet and COVID-19
title_fullStr Immunomodulatory meaning of diet and COVID-19
title_full_unstemmed Immunomodulatory meaning of diet and COVID-19
title_short Immunomodulatory meaning of diet and COVID-19
title_sort immunomodulatory meaning of diet and covid 19
topic vitamins
probiotics
diet
microelements
covid-19
plant immunostimulants
url https://www.monz.pl/Immunomodulatory-meaning-of-diet-and-COVID-19,155414,0,2.html
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