Persistent hyperammonia and altered concentrations of urea cycle metabolites in a 5-day swine experiment of sepsis

Abstract We measured plasma and cerebrospinal fluid (CSF) metabolite concentrations in a 5-day porcine sepsis model of fecal peritonitis. The objectives were: (i) to verify whether the expected pathways that had emerged in previous studies pertain only to the early inflammatory response or persist f...

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Autores principales: Manuela Ferrario, Roberta Pastorelli, Laura Brunelli, Shengchen Liu, Pedro Paulo Zanella do Amaral Campos, Daniela Casoni, Werner J. Z’Graggen, Stephan M. Jakob
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Publicado: Nature Portfolio 2021
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Acceso en línea:https://doaj.org/article/42c83fff2d0f45b7b5c0834643ddebe8
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spelling oai:doaj.org-article:42c83fff2d0f45b7b5c0834643ddebe82021-12-02T18:02:22ZPersistent hyperammonia and altered concentrations of urea cycle metabolites in a 5-day swine experiment of sepsis10.1038/s41598-021-97855-72045-2322https://doaj.org/article/42c83fff2d0f45b7b5c0834643ddebe82021-09-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-97855-7https://doaj.org/toc/2045-2322Abstract We measured plasma and cerebrospinal fluid (CSF) metabolite concentrations in a 5-day porcine sepsis model of fecal peritonitis. The objectives were: (i) to verify whether the expected pathways that had emerged in previous studies pertain only to the early inflammatory response or persist for the subsequent days; (ii) to identify metabolic derangements that arise later; (iii) to verify whether CSF metabolite concentrations were altered and if these alterations were similar to those in the blood or delayed. We observed an early response to inflammation and cytokine storms with alterations in lipid and glucose metabolism. The arginine/asymmetric dimethylarginine (ADMA) and phenylalanine/tyrosine balances changed 24 h after resuscitation in plasma, and later in CSF. There was a rise in ammonia concentration, with altered concentrations of metabolites in the urea cycle. Whether persistent derangement of these pathways have a role not only on short-term outcomes but also on longer-term comorbidities, such as septic encephalopathy, should be addressed in further studies.Manuela FerrarioRoberta PastorelliLaura BrunelliShengchen LiuPedro Paulo Zanella do Amaral CamposDaniela CasoniWerner J. Z’GraggenStephan M. JakobNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-13 (2021)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Manuela Ferrario
Roberta Pastorelli
Laura Brunelli
Shengchen Liu
Pedro Paulo Zanella do Amaral Campos
Daniela Casoni
Werner J. Z’Graggen
Stephan M. Jakob
Persistent hyperammonia and altered concentrations of urea cycle metabolites in a 5-day swine experiment of sepsis
description Abstract We measured plasma and cerebrospinal fluid (CSF) metabolite concentrations in a 5-day porcine sepsis model of fecal peritonitis. The objectives were: (i) to verify whether the expected pathways that had emerged in previous studies pertain only to the early inflammatory response or persist for the subsequent days; (ii) to identify metabolic derangements that arise later; (iii) to verify whether CSF metabolite concentrations were altered and if these alterations were similar to those in the blood or delayed. We observed an early response to inflammation and cytokine storms with alterations in lipid and glucose metabolism. The arginine/asymmetric dimethylarginine (ADMA) and phenylalanine/tyrosine balances changed 24 h after resuscitation in plasma, and later in CSF. There was a rise in ammonia concentration, with altered concentrations of metabolites in the urea cycle. Whether persistent derangement of these pathways have a role not only on short-term outcomes but also on longer-term comorbidities, such as septic encephalopathy, should be addressed in further studies.
format article
author Manuela Ferrario
Roberta Pastorelli
Laura Brunelli
Shengchen Liu
Pedro Paulo Zanella do Amaral Campos
Daniela Casoni
Werner J. Z’Graggen
Stephan M. Jakob
author_facet Manuela Ferrario
Roberta Pastorelli
Laura Brunelli
Shengchen Liu
Pedro Paulo Zanella do Amaral Campos
Daniela Casoni
Werner J. Z’Graggen
Stephan M. Jakob
author_sort Manuela Ferrario
title Persistent hyperammonia and altered concentrations of urea cycle metabolites in a 5-day swine experiment of sepsis
title_short Persistent hyperammonia and altered concentrations of urea cycle metabolites in a 5-day swine experiment of sepsis
title_full Persistent hyperammonia and altered concentrations of urea cycle metabolites in a 5-day swine experiment of sepsis
title_fullStr Persistent hyperammonia and altered concentrations of urea cycle metabolites in a 5-day swine experiment of sepsis
title_full_unstemmed Persistent hyperammonia and altered concentrations of urea cycle metabolites in a 5-day swine experiment of sepsis
title_sort persistent hyperammonia and altered concentrations of urea cycle metabolites in a 5-day swine experiment of sepsis
publisher Nature Portfolio
publishDate 2021
url https://doaj.org/article/42c83fff2d0f45b7b5c0834643ddebe8
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