在女性PDHA1载体中表现出与X相关的pyruvate dehydrogenase复合体缺乏
Antri Savvidou1,2, Kalliopi Sofou1,2, Erik A Eklund3
1Department of Pediatrics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
European journal of neurology
|March 18, 2024
概括
酸盐脱酶复合体缺乏症 (PDHA1相关疾病) 在女性携带者中经常被遗漏. 诸如神经病变和类似中风的临床症状表明这种疾病存在,因此需要进行基因检测以进行适当的诊断和护理.
科学领域:
- 生物化学和遗传学 生物化学和遗传学
- 神经学 神经学
- 代谢障碍 代谢障碍 代谢障碍
背景情况:
- 酸盐脱酶复合体缺乏症 (PDCD) 主要是由X链接PDHA1基因的致病变异引起的,占病例的90%左右.
- 研究患有PDHA1相关疾病的患者的女性亲属对于了解携带者患病率和表型至关重要.
- 由于PDHA1变异的X链接性质,需要专注于异卵性雌性载体.
研究的目的:
- 为了确定致病性PDHA1变异的女性携带者患病率.
- 评估已识别的女性携带者的临床表现和症状.
- 划分与异卵性雌性中PDHA1变异相关的特定表型.
主要方法:
- 一项基于全国人口的研究确定了37名患有病原性PDHA1变异的患者.
- 桑格测序用于检测母亲和女性亲属的致病变体.
- 对已确认的女性携带者进行了临床评估和病历审查.
主要成果:
- 在五个家族中确定了七名女性PDHA1携带者; 86%的人有de novo变异.
- 五名携带者 (86%) 之前未被诊断,并表现出PDCD的临床特征.
- 常见的临床表现包括外围轴突神经病变,类似中风的发作 (两例具有Leigh类病变) 和面部污名.
结论:
- 与PDHA1相关的疾病在异卵性母体携带者中显著不足.
- 外围轴突神经病变,中风/李氏变化以及面部形障碍的存在应该引起女性对PDCD的怀疑.
- 对潜在的女性携带者进行基因分析和临床评估对于准确的遗传咨询和治疗管理至关重要.
关键词:
这就是PDHA1的原因.在PDHc缺乏症下,线粒体中的线粒体.周围轴突神经病变 (Peripheral Axonal Neuropathy) 是一种神经病变,发生在轴突上.一次性中风中风中风中风中风更多相关视频
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