由于pyruvate dehydrogenase E2 (DLAT) 基因突变导致的卡巴马泽平反应性插曲性 dystonia 和幻觉
Jasmine Policherla1, Fatema J Serajee1, Salman Rashid2
1Department of Pediatrics and Neurology, Wayne State University, Detroit, MI, USA.
酸盐脱酶E2缺乏症是一种罕见的遗传性疾病,在一个15岁的智力残疾和 dystonia 的女孩中被发现. 基因分析显示了DLAT基因突变,卡巴马西平治疗对她的症状有效.
科学领域:
- 生物化学 生物化学
- 遗传学 遗传学 是一个
- 神经学 神经学
背景情况:
- 酸盐脱酶 (PDH) E2 缺乏症是一种极其罕见的代谢障碍,由二利胺乙转移酶 (DLAT) 突变引起.
- 此前只报告了9例病例,这突显了这种疾病的罕见性.
研究的目的:
- 描述一个15岁女性PDH E2缺乏症的新案例.
- 为了研究这个患者的遗传基础,临床表现和治疗反应.
主要方法:
- 进行了神经生理学,成像 (MRI),代谢和外基因组测序研究.
- 外体序列测定发现了一个同卵性DLAT基因突变 (V157G).
- 生物信息学和家族分析证实了突变的可能病原性.
主要成果:
- 患者在MRI上表现出轻度智力障碍,性 dystonia 和基底腺异常,包括"虎眼标志".
- DLAT突变被确定为PDH E2缺乏症的原因.
- 抑郁症和幻觉对低剂量卡巴马西平治疗有好反应.
结论:
- 由于DLAT突变而导致的PDH E2缺陷比其他PDH缺陷具有更良性的临床过程.
- 情节性 dystonia 和智力障碍是与 DLAT 相关的 PDH E2 缺乏的主要特征.
- 卡巴马西平可能是这种疾病的神经表现的有效治疗方法.
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