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The Fanconi anemia pathway requires FAA phosphorylation and FAA/FAC nuclear accumulation

机译:范可尼贫血途径需要FAA磷酸化和FAA / FAC核积累

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Fanconi anemia (FA) is an autosomal reces- sive cancer susceptibility syndrome with at least eight comple- mentation groups (A-H). Two FA genes, corresponding to complementation groups A and C, have been cloned, but the function of the FAA and FAC proteins remains unknown. We have recently shown that the FAA and FAC proteins bind and form a nuclear complex. In the current study, we analyzed the FAA and FAC proteins in normal lymphoblasts and lympho- blasts from multiple FA complementation groups. In contrast to normal controls, FA cells derived from groups A, B, C, E, F, G, and H were defective in the formation of the FAA/FAC protein complex, the phosphorylation of the FAA protein, and the accumulation of the FAA/FAC protein complex in the nucleus.
机译:范可尼贫血(FA)是一种常染色体复发性癌症易感综合症,至少有8个补充组(A-H)。已经克隆了对应于互补组A和C的两个FA基因,但是FAA和FAC蛋白的功能仍然未知。我们最近显示,FAA和FAC蛋白结合并形成核复合物。在本研究中,我们分析了来自多个FA互补组的正常淋巴母细胞和淋巴母细胞中的FAA和FAC蛋白。与正常对照相比,源自A,B,C,E,F,G和H组的FA细胞在FAA / FAC蛋白复合物的形成,FAA蛋白的磷酸化以及细胞的积累方面存在缺陷。原子核中的FAA / FAC蛋白复合物。

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