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Human bronchoalveolar lavage: biofluid analysis with special emphasis on sample preparation
- Plymoth, A. (author)
- Löfdahl, C. G. (author)
-
- Ekberg-Jansson, Ann, 1960 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för invärtesmedicin, Avdelningen för lungmedicin och allergologi,Institute of Internal Medicine, Dept of Respiratory Medicine/Allergology
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- Dahlbäck, M. (author)
- Lindberg, H. (author)
- Fehniger, T. E. (author)
- Marko-Varga, G. (author)
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- (creator_code:org_t)
- 2003
- 2003
- English.
- In: Proteomics. ; 3:6
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Respiratory diseases are an important health problem throughout the world. Whether caused by industrial pollutants, infections, smoking, cancer or metabolic diseases, damage to the lungs and airways often lead to morbidity or death. Bronchoalveolar lavage (BAL) obtained by fiber-optic bronchoscopy is a biofluid mirroring the expression of normally secreted pulmonary proteins and the products of activated cells and destructive processes. The characterization of the proteome within this compartment provides an opportunity to establish temporal and prognostic indicators of airway disease. The objective of this study was to develop methods of analysis of BAL samples, which achieved the highest level of annotation of the expression map of this proteome. We have optimized the process of sample preparation after investigating a variety of techniques including dialysis, ultramembrane filtration, precipitation and gel filtration. We have further studied methods to remove albumin from BAL in order to unmask proteins hidden on two-dimensional gels. In a pilot application of the method, BAL protein profiles obtained from healthy nonsmokers and smokers at risk for developing chronic obstructive pulmonary disease showed distinct differences.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Lungmedicin och allergi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Respiratory Medicine and Allergy (hsv//eng)
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- art (subject category)
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- Plymoth, A.
- Löfdahl, C. G.
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- Dahlbäck, M.
- Lindberg, H.
- Fehniger, T. E.
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- Marko-Varga, G.
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- Proteomics
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- University of Gothenburg
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