Proinflammatory status of oral fluid in COVID-19

At present, a search for promising ways to diagnose infection caused by SARS-CoV-2 is quite relevant. Oral fluid is not commonly used for assessment of COVID-19 risk. Its molecular profile reflects both local state of the oral cavity, and individual organs and systems, thus suggesting a reliable dia...

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Autores principales:	I. A. Borodina, O. A. Gusyakova, I. A. Selezneva, F. N. Gilmiyarova, A. A. Ereshchenko, O. A. Baldina, N. A. Kolotyeva, O. V. Borisova
Formato:	article
Lenguaje:	RU
Publicado:	SPb RAACI 2021
Materias:	interleukin-6 interleukin-8 c-reactive protein non-invasive diagnostic oral fluid covid-19 Immunologic diseases. Allergy RC581-607
Acceso en línea:	https://doaj.org/article/a18e74e2f75d471eb4e3022e404a7c01
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spelling	oai:doaj.org-article:a18e74e2f75d471eb4e3022e404a7c012021-11-18T08:03:51ZProinflammatory status of oral fluid in COVID-191563-06252313-741X10.15789/1563-0625-PSO-2196https://doaj.org/article/a18e74e2f75d471eb4e3022e404a7c012021-11-01T00:00:00Zhttps://www.mimmun.ru/mimmun/article/view/2196https://doaj.org/toc/1563-0625https://doaj.org/toc/2313-741XAt present, a search for promising ways to diagnose infection caused by SARS-CoV-2 is quite relevant. Oral fluid is not commonly used for assessment of COVID-19 risk. Its molecular profile reflects both local state of the oral cavity, and individual organs and systems, thus suggesting a reliable diagnostic platform. Systemic inflammatory response is known to play a crucial role in development of the coronavirus infection; the “cytokine storm” determines severity of the disease. The saliva-based diagnostics of clinical course in COVID-19 patients includes determination of IL-6, IL-8, C-reactive protein in oral fluid, in order to assess severity of the inflammatory process. The present study was carried out at the Department of Fundamental and Clinical Biochemistry with Laboratory Diagnostics, and Department of Pediatric Infections at the Samara State Medical University. The study involved 122 persons: 67 clinically healthy individuals comprised the control group, and the group of comparison included 55 inpatients with moderate or severe coronavirus infection (COVID-19) caused by SARS-CoV-2 virus as confirmed by PCR and/or ELISA testing. Development of the disease was accompanied by drastically increased contents of IL-6 and IL-8 in oral fluid of the patients relative to the indexes in healthy persons, i.e., several-fold for IL-6 (+ 650%) and even higher elevation of IL-8 levels (+ 26513%), as well as a 2-fold increase of C-reactive protein (+115%). When comparing the immune indexes of oral fluid in presence versus absence of respiratory insufficiency, a significant difference was found for salivary IL-6 (+173%) in the patients with grade 1-2 respiratory insufficiency as compared with patients free of respiratory disorders. Determination of these proinflammatory markers in patients with COVID-19 is of important prognostic significance when assessing development of the disease and its severity. Direct detection of their content in the oral fluid makes this method relevant, and potentially demanded for the outpatient diagnostics, being highly important during pandemics of coronavirus infection and limited medical resources. Examination of oral fluid at the pre-hospital stage is a resource-saving technology, since it does not require additional medical staff to take biomaterial, is non-invasive to the patient, and suggesting a wide range of research items, it can resolve a number of diagnostic issues, e.c., presence of specific genetic material or antibodies to SARS-CoV-2, severity of the inflammatory process and the risk of respiratory failure in the patient.I. A. BorodinaO. A. GusyakovaI. A. SeleznevaF. N. GilmiyarovaA. A. EreshchenkoO. A. BaldinaN. A. KolotyevaO. V. BorisovaSPb RAACIarticleinterleukin-6interleukin-8c-reactive proteinnon-invasive diagnosticoral fluidcovid-19Immunologic diseases. AllergyRC581-607RUMedicinskaâ Immunologiâ, Vol 23, Iss 5, Pp 1171-1176 (2021)
institution	DOAJ
collection	DOAJ
language	RU
topic	interleukin-6 interleukin-8 c-reactive protein non-invasive diagnostic oral fluid covid-19 Immunologic diseases. Allergy RC581-607
spellingShingle	interleukin-6 interleukin-8 c-reactive protein non-invasive diagnostic oral fluid covid-19 Immunologic diseases. Allergy RC581-607 I. A. Borodina O. A. Gusyakova I. A. Selezneva F. N. Gilmiyarova A. A. Ereshchenko O. A. Baldina N. A. Kolotyeva O. V. Borisova Proinflammatory status of oral fluid in COVID-19
description	At present, a search for promising ways to diagnose infection caused by SARS-CoV-2 is quite relevant. Oral fluid is not commonly used for assessment of COVID-19 risk. Its molecular profile reflects both local state of the oral cavity, and individual organs and systems, thus suggesting a reliable diagnostic platform. Systemic inflammatory response is known to play a crucial role in development of the coronavirus infection; the “cytokine storm” determines severity of the disease. The saliva-based diagnostics of clinical course in COVID-19 patients includes determination of IL-6, IL-8, C-reactive protein in oral fluid, in order to assess severity of the inflammatory process. The present study was carried out at the Department of Fundamental and Clinical Biochemistry with Laboratory Diagnostics, and Department of Pediatric Infections at the Samara State Medical University. The study involved 122 persons: 67 clinically healthy individuals comprised the control group, and the group of comparison included 55 inpatients with moderate or severe coronavirus infection (COVID-19) caused by SARS-CoV-2 virus as confirmed by PCR and/or ELISA testing. Development of the disease was accompanied by drastically increased contents of IL-6 and IL-8 in oral fluid of the patients relative to the indexes in healthy persons, i.e., several-fold for IL-6 (+ 650%) and even higher elevation of IL-8 levels (+ 26513%), as well as a 2-fold increase of C-reactive protein (+115%). When comparing the immune indexes of oral fluid in presence versus absence of respiratory insufficiency, a significant difference was found for salivary IL-6 (+173%) in the patients with grade 1-2 respiratory insufficiency as compared with patients free of respiratory disorders. Determination of these proinflammatory markers in patients with COVID-19 is of important prognostic significance when assessing development of the disease and its severity. Direct detection of their content in the oral fluid makes this method relevant, and potentially demanded for the outpatient diagnostics, being highly important during pandemics of coronavirus infection and limited medical resources. Examination of oral fluid at the pre-hospital stage is a resource-saving technology, since it does not require additional medical staff to take biomaterial, is non-invasive to the patient, and suggesting a wide range of research items, it can resolve a number of diagnostic issues, e.c., presence of specific genetic material or antibodies to SARS-CoV-2, severity of the inflammatory process and the risk of respiratory failure in the patient.
format	article
author	I. A. Borodina O. A. Gusyakova I. A. Selezneva F. N. Gilmiyarova A. A. Ereshchenko O. A. Baldina N. A. Kolotyeva O. V. Borisova
author_facet	I. A. Borodina O. A. Gusyakova I. A. Selezneva F. N. Gilmiyarova A. A. Ereshchenko O. A. Baldina N. A. Kolotyeva O. V. Borisova
author_sort	I. A. Borodina
title	Proinflammatory status of oral fluid in COVID-19
title_short	Proinflammatory status of oral fluid in COVID-19
title_full	Proinflammatory status of oral fluid in COVID-19
title_fullStr	Proinflammatory status of oral fluid in COVID-19
title_full_unstemmed	Proinflammatory status of oral fluid in COVID-19
title_sort	proinflammatory status of oral fluid in covid-19
publisher	SPb RAACI
publishDate	2021
url	https://doaj.org/article/a18e74e2f75d471eb4e3022e404a7c01
work_keys_str_mv	AT iaborodina proinflammatorystatusoforalfluidincovid19 AT oagusyakova proinflammatorystatusoforalfluidincovid19 AT iaselezneva proinflammatorystatusoforalfluidincovid19 AT fngilmiyarova proinflammatorystatusoforalfluidincovid19 AT aaereshchenko proinflammatorystatusoforalfluidincovid19 AT oabaldina proinflammatorystatusoforalfluidincovid19 AT nakolotyeva proinflammatorystatusoforalfluidincovid19 AT ovborisova proinflammatorystatusoforalfluidincovid19
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Proinflammatory status of oral fluid in COVID-19

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