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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Proteomic identification of oncogenic chromosomal translocation partners encoding chimeric anaplastic lymphoma kinase fusion proteins
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Proteomic identification of oncogenic chromosomal translocation partners encoding chimeric anaplastic lymphoma kinase fusion proteins

机译:蛋白质组学鉴定致癌的染色体易位伴侣编码嵌合的间变性淋巴瘤激酶融合蛋白

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摘要

The anaplastic lymphoma kinase (ALK) on 2p23 is a tyrosine kinase that forms chimeric fusions with numerous translocation partners. We describe a mass spectrometry-based approach for the identification of ALK fusion partners. This approach accurately identified the nucleophosmin (NPM)-ALK fusion protein in an anaplastic large cell lymphoma (ALCL)-derived cell line carrying the t(2;5)(p23;q35), and the TPM3-ALK in a clinical biopsy of inflammatory myofibroblastic tumor (IMT) carrying the t(1;2)(q21;p23). This study shows the ability of mass spectrometry to identify oncogenic chimeric proteins resulting from chromosomal rearrangements. This strategy can be adapted for the identification of known and unknown translocation partners of chimeric ALK fusion proteins involved in oncogenesis.
机译:2p23的间变性淋巴瘤激酶(ALK)是一种酪氨酸激酶,可与许多易位伴侣形成嵌合融合体。我们描述了一种基于质谱的方法来确定ALK融合伙伴。这种方法在临床上的活检中,准确鉴定了间变性t细胞(2; 5)(p23; q35)和TPM3-ALK的间变性大细胞淋巴瘤(ALCL)衍生细胞系中的核磷蛋白(NPM)-ALK融合蛋白。带有t(1; 2)(q21; p23)的炎性肌纤维母细胞瘤(IMT)。这项研究显示了质谱鉴定由染色体重排产生的致癌嵌合蛋白的能力。该策略可适用于鉴定参与肿瘤发生的嵌合ALK融合蛋白的已知和未知易位伴侣。

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