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由于PYROXD1变异而导致的疲劳性肌肉病的罕见病例
Dipti Baskar1, Aneesha Thomas1, Vijay Kumar Boddu1
1Department of Neurology, National Institute of Mental Health and Neuro Sciences (NIMHANS), Bengaluru, India.
我们报告了印度第一个与Pyridine核酸二硫化氧降解酶域1 (PYROXD1) 相关的肌肉病变的病例. 这种超罕见的先天性肌肉病症呈现出了新的特征,扩大了其已知的范围.
科学领域:
- 神经学 神经学
- 遗传学 是一个遗传学.
- 罕见疾病 罕见疾病
背景情况:
- 先天性肌肉病是一种多样化的遗传性肌肉疾病群.
- 遗传研究的进步不断发现与这些疾病相关的新基因和特征.
- 氨酸核酸二硫化物氧降解酶域1 (PYROXD1) 相关肌病是一种极其罕见的先天性肌病,全球报告的病例有限.
研究的目的:
- 报告在印度诊断出PYROXD1相关肌肉病的第一个病例.
- 描述这个患者独特的临床,电生理学和病理学发现.
- 为了解这种罕见肌肉病的表型和基因型谱做出贡献.
主要方法:
- 在印度南部的一个四级神经学转诊中心进行了一项回顾性病例研究.
- 从患者的医疗记录中仔细收集了临床,实验室和电生理学数据.
- 使用下一代测序来识别遗传变异,并进行标准诊断调查.
主要成果:
- 一个9岁的男孩呈现出渐进的,疲的近端和远端四肢虚弱,面部虚弱以及和吞困难.
- 身体检查显示,关节过度伸展,缩和面部形.
- 调查显示正常的肌酸激酶,轴突感官运动神经病变,以及显著的减小反应在电肌图. 肌肉活检证明了肌病和神经变化与独特的线粒体聚合物. 基因分析在PYROXD1基因中发现了一种不确定的变异.
结论:
- 该病例代表了印度首个与PYROXD1相关的肌肉病变的记录.
- 该患者表现出了新的特征,包括肌肉疲劳,收缩和明显的肌肉活检结果.
- 鉴定的遗传变异扩大了这种罕见的先天性肌肉病的已知的表型和基因型谱.
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