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Advances in proteomics: characterization of the innate immune system after birth and during inflammation

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FRONTIERS IN IMMUNOLOGY
卷 14, 期 -, 页码 -

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FRONTIERS MEDIA SA
DOI: 10.3389/fimmu.2023.1254948

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plasma; mass spectrometry; complement system; neutrophils; neutrophil extracellular traps; ontogeny; rheumatoid arthritis; inflammatory bowel disease

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Proteomics is a scientific study of protein composition in biological samples, involving the identification and quantification of proteins, peptides, and post-translational modifications. Recent developments in mass spectrometry-based proteomics, including sample preparation, have improved the sensitivity and coverage. It finds applications in immunology and cancer research, providing insights into disease mechanisms and potential markers for diagnosis and treatment.
Proteomics is the characterization of the protein composition, the proteome, of a biological sample. It involves the large-scale identification and quantification of proteins, peptides, and post-translational modifications. This review focuses on recent developments in mass spectrometry-based proteomics and provides an overview of available methods for sample preparation to study the innate immune system. Recent advancements in the proteomics workflows, including sample preparation, have significantly improved the sensitivity and proteome coverage of biological samples including the technically difficult blood plasma. Proteomics is often applied in immunology and has been used to characterize the levels of innate immune system components after perturbations such as birth or during chronic inflammatory diseases like rheumatoid arthritis (RA) and inflammatory bowel disease (IBD). In cancers, the tumor microenvironment may generate chronic inflammation and release cytokines to the circulation. In these situations, the innate immune system undergoes profound and long-lasting changes, the large-scale characterization of which may increase our biological understanding and help identify components with translational potential for guiding diagnosis and treatment decisions. With the ongoing technical development, proteomics will likely continue to provide increasing insights into complex biological processes and their implications for health and disease. Integrating proteomics with other omics data and utilizing multi-omics approaches have been demonstrated to give additional valuable insights into biological systems.

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