Iron Related Biomarkers Predict Disease Severity in a Cohort of Portuguese Adult Patients during COVID-19 Acute Infection

Large variability in COVID-19 clinical progression urges the need to find the most relevant biomarkers to predict patients’ outcomes. We evaluated iron metabolism and immune response in 303 patients admitted to the main hospital of the northern region of Portugal with variable clinical pictures, fro...

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Main Authors: Ana C. Moreira, Maria Jose Teles, Tânia Silva, Clara M. Bento, Inês Simões Alves, Luisa Pereira, João Tiago Guimarães, Graça Porto, Pedro Oliveira, Maria Salomé Gomes
Format: Article
Language:English
Published: MDPI AG 2021-12-01
Series:Viruses
Subjects:
Online Access:https://www.mdpi.com/1999-4915/13/12/2482
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author Ana C. Moreira
Maria Jose Teles
Tânia Silva
Clara M. Bento
Inês Simões Alves
Luisa Pereira
João Tiago Guimarães
Graça Porto
Pedro Oliveira
Maria Salomé Gomes
author_facet Ana C. Moreira
Maria Jose Teles
Tânia Silva
Clara M. Bento
Inês Simões Alves
Luisa Pereira
João Tiago Guimarães
Graça Porto
Pedro Oliveira
Maria Salomé Gomes
author_sort Ana C. Moreira
collection DOAJ
description Large variability in COVID-19 clinical progression urges the need to find the most relevant biomarkers to predict patients’ outcomes. We evaluated iron metabolism and immune response in 303 patients admitted to the main hospital of the northern region of Portugal with variable clinical pictures, from September to November 2020. One hundred and twenty-seven tested positive for SARS-CoV-2 and 176 tested negative. Iron-related laboratory parameters and cytokines were determined in blood samples collected soon after admission. Demographic data, comorbidities and clinical outcomes were recorded. Patients were assigned into five groups according to severity. Serum iron and transferrin levels at admission were lower in COVID-19-positive than in COVID-19-negative patients. The levels of interleukin (IL)-6 and monocyte chemoattractant protein 1 (MCP-1) were increased in COVID-19-positive patients. The lowest serum iron and transferrin levels at diagnosis were associated with the worst outcomes. Iron levels negatively correlated with IL-6 and higher levels of this cytokine were associated with a worse prognosis. Serum ferritin levels at diagnosis were higher in COVID-19-positive than in COVID-19-negative patients. Serum iron is the simplest laboratory test to be implemented as a predictor of disease progression in COVID-19-positive patients.
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spelling doaj.art-5e813409badc4c2eade30ff6ff15ce612023-11-23T10:58:34ZengMDPI AGViruses1999-49152021-12-011312248210.3390/v13122482Iron Related Biomarkers Predict Disease Severity in a Cohort of Portuguese Adult Patients during COVID-19 Acute InfectionAna C. Moreira0Maria Jose Teles1Tânia Silva2Clara M. Bento3Inês Simões Alves4Luisa Pereira5João Tiago Guimarães6Graça Porto7Pedro Oliveira8Maria Salomé Gomes9i3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugali3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugali3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugali3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugali3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugali3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, PortugalCHUSJ—Centro Hospitalar Universitário São João, 4200-319 Porto, Portugali3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, PortugalICBAS—Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, 4050-313 Porto, Portugali3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, PortugalLarge variability in COVID-19 clinical progression urges the need to find the most relevant biomarkers to predict patients’ outcomes. We evaluated iron metabolism and immune response in 303 patients admitted to the main hospital of the northern region of Portugal with variable clinical pictures, from September to November 2020. One hundred and twenty-seven tested positive for SARS-CoV-2 and 176 tested negative. Iron-related laboratory parameters and cytokines were determined in blood samples collected soon after admission. Demographic data, comorbidities and clinical outcomes were recorded. Patients were assigned into five groups according to severity. Serum iron and transferrin levels at admission were lower in COVID-19-positive than in COVID-19-negative patients. The levels of interleukin (IL)-6 and monocyte chemoattractant protein 1 (MCP-1) were increased in COVID-19-positive patients. The lowest serum iron and transferrin levels at diagnosis were associated with the worst outcomes. Iron levels negatively correlated with IL-6 and higher levels of this cytokine were associated with a worse prognosis. Serum ferritin levels at diagnosis were higher in COVID-19-positive than in COVID-19-negative patients. Serum iron is the simplest laboratory test to be implemented as a predictor of disease progression in COVID-19-positive patients.https://www.mdpi.com/1999-4915/13/12/2482COVID-19ironinterleukin-6hepcidinferritinmacrophage chemoattractant protein-1
spellingShingle Ana C. Moreira
Maria Jose Teles
Tânia Silva
Clara M. Bento
Inês Simões Alves
Luisa Pereira
João Tiago Guimarães
Graça Porto
Pedro Oliveira
Maria Salomé Gomes
Iron Related Biomarkers Predict Disease Severity in a Cohort of Portuguese Adult Patients during COVID-19 Acute Infection
Viruses
COVID-19
iron
interleukin-6
hepcidin
ferritin
macrophage chemoattractant protein-1
title Iron Related Biomarkers Predict Disease Severity in a Cohort of Portuguese Adult Patients during COVID-19 Acute Infection
title_full Iron Related Biomarkers Predict Disease Severity in a Cohort of Portuguese Adult Patients during COVID-19 Acute Infection
title_fullStr Iron Related Biomarkers Predict Disease Severity in a Cohort of Portuguese Adult Patients during COVID-19 Acute Infection
title_full_unstemmed Iron Related Biomarkers Predict Disease Severity in a Cohort of Portuguese Adult Patients during COVID-19 Acute Infection
title_short Iron Related Biomarkers Predict Disease Severity in a Cohort of Portuguese Adult Patients during COVID-19 Acute Infection
title_sort iron related biomarkers predict disease severity in a cohort of portuguese adult patients during covid 19 acute infection
topic COVID-19
iron
interleukin-6
hepcidin
ferritin
macrophage chemoattractant protein-1
url https://www.mdpi.com/1999-4915/13/12/2482
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