首页> 外文期刊>Molecular syndromology >Mitochondrial Dysfunction in a Patient with 8q21.11 Deletion and Charcot-Marie-Tooth Disease Type 2K due to GDAP1 Haploinsufficiency
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Mitochondrial Dysfunction in a Patient with 8q21.11 Deletion and Charcot-Marie-Tooth Disease Type 2K due to GDAP1 Haploinsufficiency

机译: GDAP1 单倍型机能不全导致8q21.11缺失并伴有2K型Charcot-Marie-Tooth病的患者的线粒体功能障碍

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Unbalanced chromosomal rearrangements typically cause multiple organ system involvement including neurodevelopmental deficits. It is atypical, however, to experience developmental and neurological regression. We describe a female with intellectual disability, failure to thrive, short stature, multiple congenital anomalies, and dysmorphic features and a previously diagnosed de novo 8q21.11 deletion at the age of 7. However, at the age of 11, she experienced neurological and developmental regression. The GDAP1 gene encoding ganglioside-induced differentiation-associated protein 1 was deleted in the patient as a part of the contiguous gene syndrome. We argue that haploinsufficiency of GDAP1 could have contributed to the proband's regression based on its involvement in mitochondrial function and a signal transduction pathway in neuronal development.
机译:染色体重排不平衡通常会导致包括神经发育缺陷在内的多器官系统受累。但是,经历发育和神经功能退化是非典型的。我们描述了一位女性,其中有智障,无法发育,身材矮小,多发性先天性畸形和畸形特征,并且先前被诊断为7q的从头8q21.11缺失。但是,在11岁时,她经历了神经系统疾病和发展性回归。作为连续基因综合征的一部分,患者中缺失了编码神经节苷脂诱导的分化相关蛋白1的GDAP1基因。我们认为,GDAP1的单倍剂量不足可能是由于先证者参与了线粒体功能和神经元发育中的信号转导途径而导致其回归。

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