Quantitative analysis of peptide-MHC class II interaction |
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Authors: | Fleckenstein B Jung G Wiesmüller K H |
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Affiliation: | Institute of Organic Chemistry, University of Tübingen, Auf der Morgenstelle 18, Tübingen, 72076, Germany. |
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Abstract: | The tremendous progress in the field of basic immunology and immunochemistry made in the last decade has significantly advanced our understanding of antigen processing and presentation by MHC class I and II proteins. In this review different techniques to study peptide interaction with MHC class II molecules are summarized and their impact on the elucidation of quantitative parameters, like affinities or kinetic data, is discussed. A recently introduced method based on synthetic combinatorial peptide libraries allows to quantify the binding contribution of each amino acid residue in a class II ligand and is presented in more detail. As this knowledge is fundamental for current investigations in modern medicine, e.g. for novel immune system based therapy concepts, further aspects like the design of new high affinity MHC class II ligands and the prediction of peptide antigens are discussed. |
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Keywords: | antigen presentation MHC class II ligands combinatorial peptide libraries epitope prediction T lymphocytes |
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