Chapter title |
Synthetic Peptide-Based ELISA and ELISpot Assay for Identifying Autoantibody Epitopes.
|
---|---|
Chapter number | 17 |
Book title |
Peptide Microarrays
|
Published in |
Methods in molecular biology, January 2016
|
DOI | 10.1007/978-1-4939-3037-1_17 |
Pubmed ID | |
Book ISBNs |
978-1-4939-3036-4, 978-1-4939-3037-1
|
Authors |
Judit Pozsgay, Eszter Szarka, Krisztina Huber, Fruzsina Babos, Anna Magyar, Ferenc Hudecz, Gabriella Sarmay |
Editors |
Marina Cretich, Marcella Chiari |
Abstract |
Enzyme-linked immunosorbent assay (ELISA) is an invaluable diagnostic tool to detect serum autoantibody binding to target antigen. To map the autoantigenic epitope(s), overlapping synthetic peptides covering the total sequence of a protein antigen are used. A large set of peptides synthesized on the crown of pins can be tested by Multipin ELISA for fast screening. Next, to validate the results, the candidate epitope peptides are resynthesized by solid-phase synthesis, coupled to ELISA plate directly, or in a biotinylated form, bound to neutravidin-coated surface and the binding of autoantibodies from patients' sera is tested by indirect ELISA. Further, selected epitope peptides can be applied in enzyme-linked immunospot assay to distinguish individual, citrullinated peptide-specific autoreactive B cells in a pre-stimulated culture of patients' lymphocytes. |
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