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Publication . Article . Other literature type . 2004

Production, Characterization and Use of Monoclonal Antibodies Recognizing IgY Epitopes Shared by Chicken, Turkey, Pheasant, Peafowl and Sparrow

Mojca Narat; Ajda Biček; Robert Vadnjal; Dušan Benčina;
Open Access   English  
Published: 01 Jan 2004 Journal: Food Technology and Biotechnology, volume 42, issue 3, pages 175-182 (issn: 1330-9862, eissn: 1334-2606, Copyright policy )
Publisher: University of Zagreb
Country: Croatia
Chicken antibodies are not only a part of immune defense but are more and more popular commercial products in form of chicken polyclonal, monoclonal or recombinant antibodies. We produced and characterized mouse monoclonal antibodies (mAbs) that recognize epitopes located on heavy or light chain of chicken immunoglobulin Y (chIgY) shared also by some other Phasianidae birds. The use of mAbs 1F5 and 2F10 that recognize heavy chain on chIgY common epitopes was demonstrated on immunoglobulins of turkey, pheasant and peafowl. Chicken IgY light chain specific mAb 3E10 revealed the presence of common epitopes on immunoglobulins of turkey, pheasant and sparrow. Monoclonal antibody clone 1F5/3G2 was used to prepare horseradish peroxidase (HRP) conjugate and immunoadsorbent column. Conjugated mAbs were demonstrated to be excellent secondary antibodies for diagnostics of certain infections in different avian species. Since they do not react with mammalian immunoglobulins using our mAbs as secondary antibodies in human serodiagnostics would minimize background staining that appears when using mouse detection system. In dot immunobinding assay (DIBA) and immunoblot assay they recognized specific IgY antibodies against Mycoplasma synoviae, Mycoplasma gallisepticum and Newcastle disease virus in sera of infected or vaccinated birds. Immunoadsorption as a method for removal of IgY from samples in which Mycoplasma synoviae specific IgY was predominant immunoglobulin class enabled more exact demonstration of specific IgA and IgM antibodies. Herein we are presenting effective mAbs useful in diagnostics of avian and mammalian infections as well as in final steps of detection and purification of chicken antibodies and their subunits produced in vivo or in vitro as polyclonal, monoclonal or recombinant antibodies.
Subjects by Vocabulary

Library of Congress Subject Headings: lcsh:Biotechnology lcsh:TP248.13-248.65 lcsh:Food processing and manufacture lcsh:TP368-456


monoclonal antibodies, IgY, avian, Phasianidae, monoclonal antibodies; IgY; avian; Phasianidae

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