Dystonic Cerebral Palsy Phenotype Due to GNAO1 Variant Responsive to Levodopa.

IF 2.5 Q2 CLINICAL NEUROLOGY Tremor and Other Hyperkinetic Movements Pub Date : 2023-01-01 DOI:10.5334/tohm.746
Luiz Felipe Vasconcellos, Vinicius Pinheiro Soares, Lucas Leroux de Ricchezza
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Abstract

Background: Cerebral palsy (CP) should not be considered a diagnosis, but rather a syndrome related to several etiologies, including, but not limited to, neurological sequelae of a perinatal brain injury.

Case report: 24-years-old man with dystonia and delayed motor and cognitive development had been previously diagnosed with CP. Molecular genetic testing identified a heterozygosity variant in GNAO 1 gene. A therapeutic trial with levodopa was started, with improvement of dystonia.

Discussion: GNAO1 gene variant disorders share similarities with other causes of CP syndrome, and thus investigation of this variant should be included in instances of CP syndrome without a clear history of previous perinatal brain injury. GNAO1 dystonic phenotype (DYT-GNAO1) should be considered as dopa-responsive dystonia in some cases.

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GNAO1变异对左旋多巴反应所致的张力障碍性脑瘫表型。
背景:脑瘫(CP)不应被视为一种诊断,而是一种与几种病因相关的综合征,包括但不限于围产期脑损伤的神经系统后遗症。病例报告:24岁男性,肌张力障碍,运动和认知发育迟缓,先前诊断为CP。分子基因检测发现GNAO 1基因杂合变异。左旋多巴治疗试验开始,肌张力障碍有所改善。讨论:GNAO1基因变异疾病与CP综合征的其他病因有相似之处,因此对该变异的调查应包括在没有明确围产期脑损伤史的CP综合征病例中。GNAO1肌张力障碍表型(DYT-GNAO1)在某些情况下应考虑为多巴反应性肌张力障碍。
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来源期刊
CiteScore
4.00
自引率
4.50%
发文量
31
审稿时长
6 weeks
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