Activating de novo mutations in NFE2L2 encoding NRF2 cause a multisystem disorder.

Activating de novo mutations in NFE2L2 encoding NRF2 cause a multisystem disorder.
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DOI:
10.1038/s41467-017-00932-7
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发表时间:
2017-10-10
影响因子:
16.6
通讯作者:
Gärtner J
Gärtner J
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Huppke P;Weissbach S;Church JA;Schnur R;Krusen M;Dreha-Kulaczewski S;Kühn-Velten WN;Wolf A;Huppke B;Millan F;Begtrup A;Almusafri F;Thiele H;Altmüller J;Nürnberg P;Müller M;Gärtner J

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转录因子NRF 2由NFE 2L 2编码,是哺乳动物细胞防御应激的主要调节因子。导致NRF 2积累的NFE 2L 2体细胞突变促进癌细胞中的细胞存活和耐药性。在这里,我们表明,与先天性从头突变相同的突变会导致早发性多系统疾病,包括发育不良、免疫缺陷和神经系统症状。NRF 2的积累导致广泛的基因表达失调和细胞溶质氧化还原平衡失衡。白色病变、低同型半胱氨酸血症和G-6-P-脱氢酶活性增加的独特组合将有助于这种新型疾病的早期诊断和治疗干预。NRF 2转录因子调节哺乳动物细胞对应激的反应。在这里,作者表明,在癌细胞中常见的NRF 2中的激活突变,在四名患有以免疫缺陷和神经症状为特征的多系统疾病的患者中发现。
Transcription factor NRF2, encoded by NFE2L2, is the master regulator of defense against stress in mammalian cells. Somatic mutations of NFE2L2 leading to NRF2 accumulation promote cell survival and drug resistance in cancer cells. Here we show that the same mutations as inborn de novo mutations cause an early onset multisystem disorder with failure to thrive, immunodeficiency and neurological symptoms. NRF2 accumulation leads to widespread misregulation of gene expression and an imbalance in cytosolic redox balance. The unique combination of white matter lesions, hypohomocysteinaemia and increased G-6-P-dehydrogenase activity will facilitate early diagnosis and therapeutic intervention of this novel disorder. The NRF2 transcription factor regulates the response to stress in mammalian cells. Here, the authors show that activating mutations in NRF2, commonly found in cancer cells, are found in four patients with a multisystem disorder characterized by immunodeficiency and neurological symptoms.
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