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  Profiling of alopecia areata autoantigens based on protein microarray technology

Lueking, A., Huber, O., Wirths, C., Schulte, K., Stieler, K. M., Blume-Peytavi, U., et al. (2005). Profiling of alopecia areata autoantigens based on protein microarray technology. Molecular & Cellular Proteomics, 4(9), 1382-1390. doi:10.1074/mcp.T500004-MCP200.

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Genre: Journal Article
Alternative Title : Mol Cell Proteomics

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Lueking et al. - Mol Cell Proteomics.pdf (Any fulltext), 670KB
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Lueking et al. - Mol Cell Proteomics.pdf
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 Creators:
Lueking, Angelika, Author
Huber, Otmar, Author
Wirths, Christopher, Author
Schulte, Kirsten, Author
Stieler, Karola M., Author
Blume-Peytavi, Ulrike, Author
Kowald, Axel1, Author              
Hensel-Wiegel, Karin, Author
Tauber, Rudolf, Author
Lehrach, Hans2, Author              
Meyer, Helmut E., Author
Cahill, Dolores J., Author
Affiliations:
1Independent Junior Research Groups (OWL), Max Planck Institute for Molecular Genetics, Max Planck Society, ou_1433554              
2Dept. of Vertebrate Genomics (Head: Hans Lehrach), Max Planck Institute for Molecular Genetics, Max Planck Society, ou_1433550              

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 Abstract: Protein biochips have a great potential in future parallel processing of complex samples as a research tool and in diagnostics. For the generation of protein biochips, highly automated technologies have been developed for cDNA expression library production, high throughput protein expression, large scale analysis of proteins, and protein microarray generation. Using this technology, we present here a strategy to identify potential autoantigens involved in the pathogenesis of alopecia areata, an often chronic disease leading to the rapid loss of scalp hair. Only little is known about the putative autoantigen(s) involved in this process. By combining protein microarray technology with the use of large cDNA expression libraries, we profiled the autoantibody repertoire of sera from alopecia areata patients against a human protein array consisting of 37,200 redundant, recombinant human proteins. The data sets obtained from incubations with patient sera were compared with control sera from clinically healthy persons and to background incubations with anti-human IgG antibodies. From these results, a smaller protein subset was generated and subjected to qualitative and quantitative validation on highly sensitive protein microarrays to identify novel alopecia areata-associated autoantigens. Eight autoantigens were identified by protein chip technology and were successfully confirmed by Western blot analysis. These autoantigens were arrayed on protein microarrays to generate a disease-associated protein chip. To confirm the specificity of the results obtained, sera from patients with psoriasis or hand and foot eczema as well as skin allergy were additionally examined on the disease-associated protein chip. By using alopecia areata as a model for an autoimmune disease, our investigations show that the protein microarray technology has potential for the identification and evaluation of autoantigens as well as in diagnosis such as to differentiate alopecia areata from other skin diseases.

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Language(s): eng - English
 Dates: 2005-06-06
 Publication Status: Published in print
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 Identifiers: eDoc: 272854
DOI: 10.1074/mcp.T500004-MCP200
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Title: Molecular & Cellular Proteomics
  Alternative Title : Mol Cell Proteomics
Source Genre: Journal
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Pages: - Volume / Issue: 4 (9) Sequence Number: - Start / End Page: 1382 - 1390 Identifier: ISSN: 1535-9476