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Protein ArraysProtein Arrays for Serodiagnosis of Disease

Protein Arrays: Protein Arrays for Serodiagnosis of Disease [Protein microarrays offer the possibility to circumvent most of the current limitations in the serodiagnosis of allergy, autoimmune, and infectious disease by allowing the simultaneous, multiparametric determination of specific subclasses of antibodies directed against many pathogenic antigens. Microarray immunoassays have been developed with these characteristics. A first-generation assay, for the serodiagnosis of infectious disease, allows the determination of IgG and IgM antibodies to various viral and bacterial antigens. In addition, a second-generation assay, designed for the serodiagnosis of allergic disease, permits the determination of IgE antibodies to various allergens implicated in allergic disease. Slides printed with antibody dilution curves and antigen are first incubated with serum samples and then subsequently with secondary antibodies. For detection of human IgG and IgM, fluorescently labeled secondary antibodies are employed. However, because of low-level concentrations of circulating IgE antibodies, a more sensitive protocol is required for human IgE detection. Here, fluorescence is delivered via the coupling of the secondary antibody to tyramide signal-amplification reagentry. Human IgG, IgM, or IgE bound to the printed antigens can then be revealed by confocal scanning microscopy and quantified with internal calibration curves. Generation of analytical and clinical data have demonstrated that the microarray test format provides equivalent performance to enzyme-linked immunosorbent assay (ELISA) tests and offers a significant advantage in convenience and cost when compared to traditional test formats.] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png

Protein ArraysProtein Arrays for Serodiagnosis of Disease

Part of the Methods in Molecular Biology Book Series (volume 264)
Editors: Fung, Eric T.
Bacarese-Hamilton, Tito; Ardizzoni, Andrea; Gray, Julian; Crisanti, Andrea
Protein Arrays — Jan 1, 2004
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12 pages

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References (2)

Publisher
Humana Press
Copyright
© Humana Press 2004
ISBN
978-1-58829-255-1
Pages
271–283
DOI
10.1385/1-59259-759-9:271
Publisher site
See Chapter on Publisher Site

Abstract

[Protein microarrays offer the possibility to circumvent most of the current limitations in the serodiagnosis of allergy, autoimmune, and infectious disease by allowing the simultaneous, multiparametric determination of specific subclasses of antibodies directed against many pathogenic antigens. Microarray immunoassays have been developed with these characteristics. A first-generation assay, for the serodiagnosis of infectious disease, allows the determination of IgG and IgM antibodies to various viral and bacterial antigens. In addition, a second-generation assay, designed for the serodiagnosis of allergic disease, permits the determination of IgE antibodies to various allergens implicated in allergic disease. Slides printed with antibody dilution curves and antigen are first incubated with serum samples and then subsequently with secondary antibodies. For detection of human IgG and IgM, fluorescently labeled secondary antibodies are employed. However, because of low-level concentrations of circulating IgE antibodies, a more sensitive protocol is required for human IgE detection. Here, fluorescence is delivered via the coupling of the secondary antibody to tyramide signal-amplification reagentry. Human IgG, IgM, or IgE bound to the printed antigens can then be revealed by confocal scanning microscopy and quantified with internal calibration curves. Generation of analytical and clinical data have demonstrated that the microarray test format provides equivalent performance to enzyme-linked immunosorbent assay (ELISA) tests and offers a significant advantage in convenience and cost when compared to traditional test formats.]

Published: Jan 1, 2004

Keywords: Protein microarray; immunoassay; signal amplification; serodiagnosis; allergy; infectious diseases

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