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Proteomics as the tool to search for lung disease markers in bronchoalveolar lavage

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TLDR
The significance of the use of proteome analysis of BAL fluid for the search for new lung disease marker proteins and for their simultaneous display and analysis in patients suffering from lung disorders has been examined.
Abstract
Most lung disorders are known to be associated to considerable modifications of surfactant composition Numerous of these abnormalities have been exploited in the past to diagnose lung diseases, allowing proper treatment and follow-up Diagnosis was then based on phospholipid content, surface tension and cytological features of the epithelial lining fluid (ELF), sampled by bronchoalveolar lavage (BAL) during fiberoscopic bronchoscopy Today, it appears that the protein content of ELF displays a remarkably high complexity, not only due to the wide variety of the proteins it contains but also because of the great diversity of their cellular origins The significance of the use of proteome analysis of BAL fluid for the search for new lung disease marker proteins and for their simultaneous display and analysis in patients suffering from lung disorders has been examined

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Journal ArticleDOI

Human body fluid proteome analysis

TL;DR: The proteomics technologies currently used for global identification and quantification of body fluid proteins are summarized, and the putative biomarkers discovered for a variety of human diseases through human body fluid proteome (HBFP) analysis are elaborate.
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Pre-B-cell colony-enhancing factor as a potential novel biomarker in acute lung injury.

TL;DR: In this article, the authors identified significant expression of pre-B-cell colony-enhancing factor (PBEF), a gene not previously associated with lung pathophysiology, in both bronchoalveolar lavage fluid and serum of ALI patients.
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Evaluation of lung injury in rats and mice.

TL;DR: Calculated alterations in capillary filtration coefficient K(f,c), reflection coefficient sigma, and permeability-surface area product PS are the most accurate indicators of increased permeability.
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Differential Proteomic Analysis of Bronchoalveolar Lavage Fluid in Asthmatics following Segmental Antigen Challenge

TL;DR: The first comprehensive differential proteomic analysis of BALF from both asthmatic patients and healthy subjects before and 24 h after segmental allergen challenge is described, providing new insights for finding novel pathological mediators and biomarkers of asthma.
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Pulmonary surfactant in health and human lung diseases: state of the art

TL;DR: For some pulmonary conditions surfactant replacement therapy is on the horizon, but for the majority much more needs to be learnt about the pathophysiological role the observed surfACTant abnormalities may have.
References
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Journal ArticleDOI

Proteomics to study genes and genomes

TL;DR: Proteomics can be divided into three main areas: protein micro-characterization for large-scale identification of proteins and their post-translational modifications; ‘differential display’ proteomics for comparison of protein levels with potential application in a wide range of diseases; and studies of protein–protein interactions using techniques such as mass spectrometry or the yeast two-hybrid system.
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Recent advancements in surface-enhanced laser desorption/ionization-time of flight-mass spectrometry.

TL;DR: The overall history and recent advances in surface enhanced laser desorption/ionization‐time of flight‐mass spectrometry (SELDI‐TOF‐MS) technology is reviewed and its application to functional genomics and biomarker discovery is discussed and exemplified by elucidating a biomarker candidate for prostatic carcinoma.
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Inflammatory cytokines in cystic fibrosis lungs.

TL;DR: Enhanced macrophage production of proinflammatory cytokines and decreased production of the regulatory molecule IL-10 may have important roles in the pathogenesis of CF lung disease.
Journal ArticleDOI

Interleukin-10 regulation in normal subjects and patients with asthma.

TL;DR: In support of the hypothesis that IL-10 mitigates the development of inflammation, it is demonstrated that the addition of a neutralizing anti-IL-10 antibody to resting peripheral blood mononuclear cell cultures of normal subjects stimulated the spontaneous production of interferon-gamma.
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