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  Cell array-based intracellular localization screening reveals novel functional features of human chromosome 21 proteins

Hu, Y.-H., Warnatz, H.-J., Vanhecke, D., Wagner, F., Fiebitz, A., Thamm, S., Kahlem, P., Lehrach, H., Yaspo, M.-L., & Janitz, M. (2006). Cell array-based intracellular localization screening reveals novel functional features of human chromosome 21 proteins. BMC Genomics, 7, 155-155. doi:10.1186/1471-2164-7-155.

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資料種別: 学術論文

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Hu.pdf (全文テキスト(全般)), 9MB
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https://hdl.handle.net/11858/00-001M-0000-0010-8412-5
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Hu.pdf
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application/pdf / [MD5]
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eDoc_access: PUBLIC
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 作成者:
Hu, Yu-Hui1, 著者           
Warnatz, Hans-Jörg2, 著者           
Vanhecke, Dominique3, 著者
Wagner, Florian, 著者
Fiebitz, Andrea4, 著者           
Thamm, Sabine2, 著者           
Kahlem, Pascal3, 著者
Lehrach, Hans4, 著者           
Yaspo, Marie-Laure2, 著者           
Janitz, Michal4, 著者           
所属:
1Dept. of Human Molecular Genetics (Head: Hans-Hilger Ropers), Max Planck Institute for Molecular Genetics, Max Planck Society, ou_1433549              
2Human Chromosome 21 (Marie-Laure Yaspo), Dept. of Vertebrate Genomics (Head: Hans Lehrach), Max Planck Institute for Molecular Genetics, Max Planck Society, ou_1479652              
3Max Planck Society, ou_persistent13              
4Dept. of Vertebrate Genomics (Head: Hans Lehrach), Max Planck Institute for Molecular Genetics, Max Planck Society, ou_1433550              

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 要旨: Background Trisomy of human chromosome 21 (Chr21) results in Down's syndrome, a complex developmental and neurodegenerative disease. Molecular analysis of Down's syndrome, however, poses a particular challenge, because the aneuploid region of Chr21 contains many genes of unknown function. Subcellular localization of human Chr21 proteins may contribute to further understanding of the functions and regulatory mechanisms of the genes that code for these proteins. Following this idea, we used a transfected-cell array technique to perform a rapid and cost-effective analysis of the intracellular distribution of Chr 21 proteins. Results We chose 89 genes that were distributed over the majority of 21q, ranging from RBM11 (14.5 Mb) to MCM3AP (46.6 Mb), with part of them expressed aberrantly in the Down's syndrome mouse model. Open reading frames of these genes were cloned into a mammalian expression vector with an amino-terminal His6 tag. All of the constructs were arrayed on glass slides and reverse transfected into HEK293T cells for protein expression. Co-localization detection using a set of organelle markers was carried out for each Chr21 protein. Here, we report the subcellular localization properties of 52 proteins. For 34 of these proteins, their localization is described for the first time. Furthermore, the alteration in cell morphology and growth as a result of protein over-expression for claudin-8 and claudin-14 genes has been characterized. Conclusion The cell array-based protein expression and detection approach is a cost-effective platform for large-scale functional analyses, including protein subcellular localization and cell phenotype screening. The results from this study reveal novel functional features of human Chr21 proteins, which should contribute to further understanding of the molecular pathology of Down's syndrome.

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言語: eng - English
 日付: 2006-06-16
 出版の状態: 出版
 ページ: -
 出版情報: -
 目次: -
 査読: -
 識別子(DOI, ISBNなど): eDoc: 308500
DOI: 10.1186/1471-2164-7-155
 学位: -

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出版物 1

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出版物名: BMC Genomics
種別: 学術雑誌
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出版社, 出版地: -
ページ: - 巻号: 7 通巻号: - 開始・終了ページ: 155 - 155 識別子(ISBN, ISSN, DOIなど): ISSN: 1471-2164