Mass spectrometry facility for the quantitation and analysis of post-translationally modified peptides

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This proposal will address a gap in our mass spectrometry capabilities and aid in our understanding of the cellular immune response and investigate the chemical diversity of the targets of immunity. This proposal has broad implications in the basic immunology of antigen presentation, in biomarker discovery as well as in the design of new vaccines in infectious disease and cancer and the development of therapies for autoimmune diseases. In addition to these key scientific outcomes this project will also facilitate the training of several new personnel in a skill area for which there is a critical shortage (mass spectrometry) and promote cross-disciplinary skills (immunology, biochemistry, proteomics).