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Published in: Diagnostic Pathology 1/2014

Open Access 01-12-2014 | Research

Assessment of IgG antibodies to Pseudomonas aeruginosa in patients with cystic fibrosis by an enzyme-linked immunosorbent assay (ELISA)

Authors: Renan Marrichi Mauch, Cláudio Lúcio Rossi, José Dirceu Ribeiro, Antínio Fernando Ribeiro, Marcos Tadeu Nolasco da Silva, Carlos Emílio Levy

Published in: Diagnostic Pathology | Issue 1/2014

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Abstract

Background

The usefulness of serological tests for detection of P. aeruginosa pulmonary infection in cystic fibrosis (CF) is controversial. Here, we assessed the value of detecting anti-P. aeruginosa IgG by a quantitative enzyme-linked immunosorbent assay (ELISA) for identification of P. aeruginosa infection in patients with cystic fibrosis.

Methods

Serum concentrations of anti-P. aeruginosa IgG were assessed in 117 CF patients classified according to their P. aeruginosa colonization/infection status (never colonized; free of infection; intermittently colonized and chronically infected) and in 53 healthy subjects by the ELISA test standardized with the St-Ag:1-17 antigen.

Results

The rate of IgG seropositivity and the median of IgG concentrations of this antibody in patients chronically infected were significantly higher than those found in the other CF groups and in the healthy control group.

Conclusion

Detection of anti-P. aeruginosa IgG can be an useful tool for identification of P. aeruginosa chronic infection in patients with CF.

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Appendix
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Metadata
Title
Assessment of IgG antibodies to Pseudomonas aeruginosa in patients with cystic fibrosis by an enzyme-linked immunosorbent assay (ELISA)
Authors
Renan Marrichi Mauch
Cláudio Lúcio Rossi
José Dirceu Ribeiro
Antínio Fernando Ribeiro
Marcos Tadeu Nolasco da Silva
Carlos Emílio Levy
Publication date
01-12-2014
Publisher
BioMed Central
Published in
Diagnostic Pathology / Issue 1/2014
Electronic ISSN: 1746-1596
DOI
https://doi.org/10.1186/s13000-014-0158-z

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