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Antibody-based Protein Profiling of the Human Chromosome 21
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2012 (English)In: Molecular & Cellular Proteomics, ISSN 1535-9476, E-ISSN 1535-9484, Vol. 11, no 3Article in journal (Refereed) Published
Abstract [en]

The Human Proteome Project has been proposed to create a knowledge-based resource based on a systematical mapping of all human proteins, chromosome by chromosome, in a gene-centric manner. With this background, we here describe the systematic analysis of chromosome 21 using an antibody-based approach for protein profiling using both confocal microscopy and immunohistochemistry, complemented with transcript profiling using next generation sequencing data. We also describe a new approach for protein isoform analysis using a combination of antibody-based probing and isoelectric focusing. The analysis has identified several genes on chromosome 21 with no previous evidence on the protein level, and the isoform analysis indicates that a large fraction of human proteins have multiple isoforms. A chromosome-wide matrix is presented with status for all chromosome 21 genes regarding subcellular localization, tissue distribution, and molecular characterization of the corresponding proteins. The path to generate a chromosome-specific resource, including integrated data from complementary assay platforms, such as mass spectrometry and gene tagging analysis, is discussed.

Place, publisher, year, edition, pages
2012. Vol. 11, no 3
Keyword [en]
IBD, colitis
National Category
Clinical Laboratory Medicine
Research subject
URN: urn:nbn:se:uu:diva-171237DOI: 10.1074/mcp.M111.013458ISI: 000301296900011PubMedID: 22042635OAI: oai:DiVA.org:uu-171237DiVA: diva2:510337
Available from: 2012-03-15 Created: 2012-03-15 Last updated: 2015-08-11Bibliographically approved

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Pontén, Fredrik
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Department of Immunology, Genetics and Pathology
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