WEKO3
アイテム
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Identification of multiple SNT-binding sites on NPM-ALK oncoprotein and their involvement in cell transformation
https://repo.qst.go.jp/records/45187
https://repo.qst.go.jp/records/451873f22596f-304d-4d5a-a2ad-161a0d235c6b
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2008-06-11 | |||||
タイトル | ||||||
タイトル | Identification of multiple SNT-binding sites on NPM-ALK oncoprotein and their involvement in cell transformation | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Chikamori, Minoru
× Chikamori, Minoru× Fujimoto, Jiro× Nishizumi, Noriko× Yamamoto, Tadashi× 近森 穣 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The t(2;5) chromosomal translocation occurs in anaplastic large-cell lymphoma arising from activated T lymphocytes. This genomic rearrangement generates the nucleophosmin (NPM)-anaplastic lymphoma kinase (ALK) oncoprotein that is a chimeric protein consisting of parts of the nuclear protein NPM and ALK receptor protein-tyrosine kinase. We used yeast two-hybrid screening to identify an adaptor protein Suc1-associated neurotrophic factor-induced tyrosine-phosphorylated target (SNT)-2 as a new partner that interacted with the cytoplasmic domain of ALK. Immunoprecipitation assay revealed that SNT-1 and SNT-2 interacted with NPM-ALK and kinase-negative NPM-ALK mutant. Y156, Y567 and a 19-amino-acid sequence (aa 631-649) of NPM-ALK were essential for this interaction. The interaction through Y156 and Y567 was dependent on phosphorylation of these tyrosines, whereas the interaction through the 19-amino-acid sequence was independent of phosphorylation. NPM-ALK mutant protein mutated at these three binding sites showed significantly reduced transforming activity. This transformation-defective NPM-ALK mutant still interacted with signal transducing proteins such as phospholipase C-gamma and phosphatidylinositol 3-kinase, which were previously reported to be relevant to NPM-ALK-dependent tumorigenesis. These observations indicate that the three SNT-binding sites of NPM-ALK are important for its transforming activity. This raises a possibility that SNT family proteins play significant roles in cellular transformation triggered by NPM-ALK, which though remains to be verified. | |||||
書誌情報 |
Oncogene 巻 26, 号 20, p. 2950-2954, 発行日 2006-11 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0950-9232 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1038/sj.onc.1210095 |