一份关于患有SEC31A相关神经发育障碍的儿童的报告
Ruqaiah AlTassan1,2, Hanan AlQudairy3, Biam Saydo2,3
1Department of Medical Genomics, Genomic Medicine Center of Excellence, King Faisal Specialist Hospital and Research Centre, Riyadh 11211, Saudi Arabia.
International journal of molecular sciences
|June 13, 2025
概括
SEC31A基因变异导致哈尔佩林-伯克综合征,这是一种严重的神经发育障碍,其特征是严重的发育延迟和发作. 这项研究确定了一名新患者,并证实了SEC31A突变与这种罕见疾病之间的联系.
科学领域:
- 遗传学和分子生物学
- 神经科学是一个神经科学.
- 发展生物学 发展生物学
背景情况:
- 哈尔佩林-伯克综合征是一种罕见的神经发育障碍,此前在两个兄弟姐妹中发现了严重的表型,包括发育迟缓,大脑缺陷和四肢.
- 哈尔佩林-伯克综合征的遗传基础在很大程度上是未知的,阻碍了进一步的理解和诊断.
研究的目的:
- 在另一个患者中确定哈尔佩林-伯克综合征的遗传原因.
- 研究已识别的基因变异对SEC31A蛋白功能及其在神经发育中的作用的功能影响.
主要方法:
- 进行了全外体和基因组测序,以确定遗传变异.
- 使用in silico预测工具来评估已识别的SEC31A变种的致病性.
- 进行了蛋白质与蛋白质相互作用 (PPI) 网络分析和结构分析,以评估对蛋白质复合体稳定性的影响.
主要成果:
- 在该患者身上发现了SEC31A基因中的同样类变异 (p.Cys453Trp).
- 在分析预测Cys453Trp变体是有害的,可能会影响SEC31A功能.
- 分析显示,SEC31A与SEC13,SEC23A和SEC23B相互作用,预计鉴定出的突变会损害外套蛋白质复合体II的稳定性.
结论:
- 这项研究证实了SEC31A变体与SEC31A相关的神经发育障碍 (Halperin-Birk综合征) 之间存在强烈的临床相关性.
- 这些发现强调了SEC31A在神经发育中的关键作用,并提供了对这种疾病背后的分子机制的见解.
更多相关视频
08:22A Novel Strategy Combining Array-CGH, Whole-exome Sequencing and In Utero Electroporation in Rodents to Identify Causative Genes for Brain Malformations
Published on: December 1, 2017
8.6K
19:15Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale
Published on: August 25, 2014
85.9K
相关概念视频
Neurulation
41.8K
Neurulation is the embryological process which forms the precursors of the central nervous system and occurs after gastrulation has established the three primary cell layers of the embryo: ectoderm, mesoderm, and endoderm. In humans, the majority of this system is formed via primary neurulation, in which the central portion of the ectoderm—originally appearing as a flat sheet of cells—folds upwards and inwards, sealing off to form a hollow neural tube. As development proceeds, the...
41.8K
Autism Spectrum Disorder
77
Autism spectrum disorder (ASD) is a neurodevelopmental condition marked by persistent deficits in social communication and interaction alongside restrictive and repetitive behaviors or interests. ASD is sometimes accompanied by intellectual impairment.
These core symptoms manifest differently among individuals, ranging from mild to severe. The disorder's complexity extends beyond its clinical presentation, encompassing a diverse range of biological, cognitive, and sociocultural influences.
These core symptoms manifest differently among individuals, ranging from mild to severe. The disorder's complexity extends beyond its clinical presentation, encompassing a diverse range of biological, cognitive, and sociocultural influences.
77
Attention-Deficit/Hyperactivity Disorder
50
Attention-deficit/hyperactivity disorder (ADHD) is a neurodevelopmental disorder characterized by persistent inattention, hyperactivity, and impulsivity. It affects approximately 5-8% of children globally, with around 60-70% of cases persisting into adulthood. ADHD has significant implications for educational attainment, social interactions, and occupational success.
Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings....
Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings....
50
Intellectual Disability
46
Intellectual disability (ID) is a neurodevelopmental condition characterized by deficits in intellectual and adaptive functioning that manifest during the developmental period. This condition encompasses challenges in reasoning, memory, problem-solving, and learning, accompanied by impairments in everyday life skills, such as communication, self-care, and social interactions. Intellectual disability affects approximately 1% of the population in the United States, impacting an estimated 5...
46
