听力神经病变谱系障碍 进展与动力和感觉神经病变引起的ATP1A1变体
Gaku Okumura1, Katsuya Nakamura1,2, Rie Seyama3,4
1Department of Medicine (Neurology & Rheumatology), Shinshu University School of Medicine, Japan.
Internal medicine (Tokyo, Japan)
|August 9, 2023
概括
本病例报告详细介绍了一名患有ATP1A1相关疾病的患者,他患有听力神经病变谱系障碍 (ANSD),扩大了这种遗传疾病的已知的临床表现.
科学领域:
- 遗传学 遗传学 是一个
- 神经学 神经学
- 听力学 听力学是指听力学.
背景情况:
- 与ATP1A1相关的疾病是罕见的遗传疾病.
- 感觉神经聋是已知的症状,但根本的机制尚未完全理解.
- 听力神经病谱系障碍 (ANSD) 影响听力,尽管耳功能正常.
研究的目的:
- 报告一种新的ATP1A1相关疾病的呈现.
- 调查ATP1A1变体与ANSD之间的潜在联系.
- 扩大对ATP1A1疾病的基因型-表型谱的理解.
主要方法:
- 一位27岁的日本妇女的临床病例介绍.
- 听力学,电生理学和放射学检查.
- 基因分析确定ATP1A1基因中的错误变异.
主要成果:
- 这位患者呈现出渐进的感觉神经耳聋和运动/感觉神经病变.
- 在22岁时的检查与听觉神经病谱障碍 (ANSD) 一致.
- 在ATP1A1基因中发现了一种先前报告的误解变异 (c.1799C>G,p.Pro600Arg).
结论:
- 这种情况表明,ANSD可能是ATP1A1相关疾病中聋的致病机制.
- 这些发现扩大了已知的ATP1A1相关疾病的基因型-表型谱.
- 这一案例凸显了在患有ATP1A1变异和听力损失的患者中考虑ANSD的重要性.
相关概念视频
ATP Synthase: Mechanism
14.8K
In animals, the mitochondrial F1F0 ATP synthase is the key protein that synthesizes ATP molecules through a complex catalytic mechanism. While the nuclear genome encodes the majority of ATP synthase subunits, the mitochondrial genome encodes some of the enzyme's most critical components. The formation of this multi-subunit enzyme is a complex multi-step process regulated at the level of transcription, translation, and assembly. Defects in one or more of these steps can result in decreased...
14.8K
Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation
17
Clinical manifestationsPeripheral Arterial Disease (PAD) manifests through a range of symptoms, from the characteristic intermittent claudication to atypical presentations and severe complications in advanced stages. Intermittent claudication, a hallmark symptom of PAD, presents as exercise-induced muscle pain that typically resolves within minutes of rest. This pain is reproducible and stems from inadequate blood flow, leading to the accumulation of lactic acid produced during anaerobic...
17
ATP Synthase: Structure
12.6K
ATP synthase or ATPase is among the most conserved proteins found in bacteria, mammals, and plants. This enzyme can catalyze a forward reaction in response to the electrochemical gradient, producing ATP from ADP and inorganic phosphate. ATP synthase can also work in a reverse direction by hydrolyzing ATP and generating an electrochemical gradient. Different forms of ATP synthases have evolved special features to meet the specific demands of the cell. Based on their specific feature, ATP...
12.6K
Autism Spectrum Disorder
161
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.
161
The ADP/ATP Carrier Protein
3.3K
ADP/ATP carrier or AAC protein is the most abundant carrier protein in the inner mitochondrial membrane. It transports large quantities of ADP and ATP, equivalent to the average human body weight, every day. Among other transporters, ACC protein is one of the best-studied members of the mitochondrial carrier protein family. The ADP/ATP carrier protein comprises two transmembrane helices connected to a loop and a single alpha-helix on the matrix side. It switches between two conformational...
3.3K
Auditory Pathway
5.5K
Auditory pathways constitute the complex neural circuits responsible for transmitting and interpreting auditory information from the peripheral auditory system to the brain. Sound waves are initially captured by the outer ear, funneled through the ear canal, and reach the tympanic membrane (eardrum). These vibrations are transmitted via the middle ear's ossicles to the inner ear's cochlea.
When viewed cross-sectionally, the cochlea reveals the scala vestibuli and scala tympani flanking...
When viewed cross-sectionally, the cochlea reveals the scala vestibuli and scala tympani flanking...
5.5K


