Metabolic systems analysis of LPS induced endothelial dysfunction applied to sepsis patient stratification

Abstract Endothelial dysfunction contributes to sepsis outcome. Metabolic phenotypes associated with endothelial dysfunction are not well characterised in part due to difficulties in assessing endothelial metabolism in situ. Here, we describe the construction of iEC2812, a genome scale metabolic rec...

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Autores principales: Sarah McGarrity, Ósk Anuforo, Haraldur Halldórsson, Andreas Bergmann, Skarphéðinn Halldórsson, Sirus Palsson, Hanne H. Henriksen, Pär Ingemar Johansson, Óttar Rolfsson
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Publicado: Nature Portfolio 2018
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Acceso en línea:https://doaj.org/article/3346a06d5da14fb4a956f403770503f3
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spelling oai:doaj.org-article:3346a06d5da14fb4a956f403770503f32021-12-02T15:09:10ZMetabolic systems analysis of LPS induced endothelial dysfunction applied to sepsis patient stratification10.1038/s41598-018-25015-52045-2322https://doaj.org/article/3346a06d5da14fb4a956f403770503f32018-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-25015-5https://doaj.org/toc/2045-2322Abstract Endothelial dysfunction contributes to sepsis outcome. Metabolic phenotypes associated with endothelial dysfunction are not well characterised in part due to difficulties in assessing endothelial metabolism in situ. Here, we describe the construction of iEC2812, a genome scale metabolic reconstruction of endothelial cells and its application to describe metabolic changes that occur following endothelial dysfunction. Metabolic gene expression analysis of three endothelial subtypes using iEC2812 suggested their similar metabolism in culture. To mimic endothelial dysfunction, an in vitro sepsis endothelial cell culture model was established and the metabotypes associated with increased endothelial permeability and glycocalyx loss after inflammatory stimuli were quantitatively defined through metabolomics. These data and transcriptomic data were then used to parametrize iEC2812 and investigate the metabotypes of endothelial dysfunction. Glycan production and increased fatty acid metabolism accompany increased glycocalyx shedding and endothelial permeability after inflammatory stimulation. iEC2812 was then used to analyse sepsis patient plasma metabolome profiles and predict changes to endothelial derived biomarkers. These analyses revealed increased changes in glycan metabolism in sepsis non-survivors corresponding to metabolism of endothelial dysfunction in culture. The results show concordance between endothelial health and sepsis survival in particular between endothelial cell metabolism and the plasma metabolome in patients with sepsis.Sarah McGarrityÓsk AnuforoHaraldur HalldórssonAndreas BergmannSkarphéðinn HalldórssonSirus PalssonHanne H. HenriksenPär Ingemar JohanssonÓttar RolfssonNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-14 (2018)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Sarah McGarrity
Ósk Anuforo
Haraldur Halldórsson
Andreas Bergmann
Skarphéðinn Halldórsson
Sirus Palsson
Hanne H. Henriksen
Pär Ingemar Johansson
Óttar Rolfsson
Metabolic systems analysis of LPS induced endothelial dysfunction applied to sepsis patient stratification
description Abstract Endothelial dysfunction contributes to sepsis outcome. Metabolic phenotypes associated with endothelial dysfunction are not well characterised in part due to difficulties in assessing endothelial metabolism in situ. Here, we describe the construction of iEC2812, a genome scale metabolic reconstruction of endothelial cells and its application to describe metabolic changes that occur following endothelial dysfunction. Metabolic gene expression analysis of three endothelial subtypes using iEC2812 suggested their similar metabolism in culture. To mimic endothelial dysfunction, an in vitro sepsis endothelial cell culture model was established and the metabotypes associated with increased endothelial permeability and glycocalyx loss after inflammatory stimuli were quantitatively defined through metabolomics. These data and transcriptomic data were then used to parametrize iEC2812 and investigate the metabotypes of endothelial dysfunction. Glycan production and increased fatty acid metabolism accompany increased glycocalyx shedding and endothelial permeability after inflammatory stimulation. iEC2812 was then used to analyse sepsis patient plasma metabolome profiles and predict changes to endothelial derived biomarkers. These analyses revealed increased changes in glycan metabolism in sepsis non-survivors corresponding to metabolism of endothelial dysfunction in culture. The results show concordance between endothelial health and sepsis survival in particular between endothelial cell metabolism and the plasma metabolome in patients with sepsis.
format article
author Sarah McGarrity
Ósk Anuforo
Haraldur Halldórsson
Andreas Bergmann
Skarphéðinn Halldórsson
Sirus Palsson
Hanne H. Henriksen
Pär Ingemar Johansson
Óttar Rolfsson
author_facet Sarah McGarrity
Ósk Anuforo
Haraldur Halldórsson
Andreas Bergmann
Skarphéðinn Halldórsson
Sirus Palsson
Hanne H. Henriksen
Pär Ingemar Johansson
Óttar Rolfsson
author_sort Sarah McGarrity
title Metabolic systems analysis of LPS induced endothelial dysfunction applied to sepsis patient stratification
title_short Metabolic systems analysis of LPS induced endothelial dysfunction applied to sepsis patient stratification
title_full Metabolic systems analysis of LPS induced endothelial dysfunction applied to sepsis patient stratification
title_fullStr Metabolic systems analysis of LPS induced endothelial dysfunction applied to sepsis patient stratification
title_full_unstemmed Metabolic systems analysis of LPS induced endothelial dysfunction applied to sepsis patient stratification
title_sort metabolic systems analysis of lps induced endothelial dysfunction applied to sepsis patient stratification
publisher Nature Portfolio
publishDate 2018
url https://doaj.org/article/3346a06d5da14fb4a956f403770503f3
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