Exhaled Breath Condensate: A Promising Source for Biomarkers of Lung Disease

Exhaled breath condensate (EBC) has been increasingly studied as a noninvasive research method for sampling the alveolar and airway space and is recognized as a promising source of biomarkers of lung diseases. Substances measured in EBC include oxidative stress and inflammatory mediators, such as ar...

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Main Authors: Yan Liang, Samantha M. Yeligar, Lou Ann S. Brown
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:The Scientific World Journal
Online Access:http://dx.doi.org/10.1100/2012/217518
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author Yan Liang
Samantha M. Yeligar
Lou Ann S. Brown
author_facet Yan Liang
Samantha M. Yeligar
Lou Ann S. Brown
author_sort Yan Liang
collection DOAJ
description Exhaled breath condensate (EBC) has been increasingly studied as a noninvasive research method for sampling the alveolar and airway space and is recognized as a promising source of biomarkers of lung diseases. Substances measured in EBC include oxidative stress and inflammatory mediators, such as arachidonic acid derivatives, reactive oxygen/nitrogen species, reduced and oxidized glutathione, and inflammatory cytokines. Although EBC has great potential as a source of biomarkers in many lung diseases, the low concentrations of compounds within the EBC present challenges in sample collection and analysis. Although EBC is viewed as a noninvasive method for sampling airway lining fluid (ALF), validation is necessary to confirm that EBC truly represents the ALF. Likewise, a dilution factor for the EBC is needed in order to compare across subjects and determine changes in the ALF. The aims of this paper are to address the characteristics of EBC; strategies to standardize EBC sample collection and review available analytical techniques for EBC analysis.
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spelling doaj-art-a97f8dad6b1e49709b34372eb399a4542025-02-03T01:09:41ZengWileyThe Scientific World Journal1537-744X2012-01-01201210.1100/2012/217518217518Exhaled Breath Condensate: A Promising Source for Biomarkers of Lung DiseaseYan Liang0Samantha M. Yeligar1Lou Ann S. Brown2Division of Neonatal-Perinatal Medicine, Department of Pediatrics, Emory University and Emory+Children's Healthcare of Atlanta Center for Developmental Lung Biology, Atlanta, GA 30322, USADivision of Neonatal-Perinatal Medicine, Department of Pediatrics, Emory University and Emory+Children's Healthcare of Atlanta Center for Developmental Lung Biology, Atlanta, GA 30322, USADivision of Neonatal-Perinatal Medicine, Department of Pediatrics, Emory University and Emory+Children's Healthcare of Atlanta Center for Developmental Lung Biology, Atlanta, GA 30322, USAExhaled breath condensate (EBC) has been increasingly studied as a noninvasive research method for sampling the alveolar and airway space and is recognized as a promising source of biomarkers of lung diseases. Substances measured in EBC include oxidative stress and inflammatory mediators, such as arachidonic acid derivatives, reactive oxygen/nitrogen species, reduced and oxidized glutathione, and inflammatory cytokines. Although EBC has great potential as a source of biomarkers in many lung diseases, the low concentrations of compounds within the EBC present challenges in sample collection and analysis. Although EBC is viewed as a noninvasive method for sampling airway lining fluid (ALF), validation is necessary to confirm that EBC truly represents the ALF. Likewise, a dilution factor for the EBC is needed in order to compare across subjects and determine changes in the ALF. The aims of this paper are to address the characteristics of EBC; strategies to standardize EBC sample collection and review available analytical techniques for EBC analysis.http://dx.doi.org/10.1100/2012/217518
spellingShingle Yan Liang
Samantha M. Yeligar
Lou Ann S. Brown
Exhaled Breath Condensate: A Promising Source for Biomarkers of Lung Disease
The Scientific World Journal
title Exhaled Breath Condensate: A Promising Source for Biomarkers of Lung Disease
title_full Exhaled Breath Condensate: A Promising Source for Biomarkers of Lung Disease
title_fullStr Exhaled Breath Condensate: A Promising Source for Biomarkers of Lung Disease
title_full_unstemmed Exhaled Breath Condensate: A Promising Source for Biomarkers of Lung Disease
title_short Exhaled Breath Condensate: A Promising Source for Biomarkers of Lung Disease
title_sort exhaled breath condensate a promising source for biomarkers of lung disease
url http://dx.doi.org/10.1100/2012/217518
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