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卡尼丁-基卡尼丁转位酶缺乏症:一个病例报告与尸检

Chennakeshava Thunga¹, Suvradeep Mitra², Devi Dayal³

¹Post Graduate Institute of Medical Education and Research (PGIMER), Department of Pediatric Gastroenterology, Hepatology, and Nutrition, Chandigarh, India.

Autopsy & case reports

|April 17, 2024

概括

卡尼丁酸卡尼丁转位酶 (CACT) 缺乏,脂肪酸氧化障碍,在多个器官中呈现出微囊状肥胖症. 这个案子突出了尸检发现和遗传基础.

科学领域:

生物化学生物化学
遗传学是一个遗传学.
病理学病理学病理学

背景情况:

脂肪酸氧化缺陷是一组影响线粒体功能的遗传代谢障碍.
卡尼丁酸卡尼丁转位酶 (CACT) 对于将脂肪酸运输到线粒体以产生能量至关重要.
在CACT的缺陷破坏细胞能量代谢,导致严重的临床表现.

研究的目的:

为了描述一个患有卡尼丁乙基卡尼丁转位酶 (CACT) 缺乏症的儿童的尸检病理.
通过整体外基因组测序识别的遗传变异与组织病理的相关性.

主要方法:

详细的尸检检查,包括对多个器官的组织病理学分析.
整体外基因组测序用于识别*SLC25A20*基因中的遗传变异.

主要成果:

尸检显示肝细胞,脏近端管状上皮质,心脏肌细胞和体肌细胞中显著的微囊状脂肪瘤.
整体外基因组测序在*SLC25A20*基因中发现了复合异合体变体 (c.82G>T,p.Gly28Cys;可能致病性和c.535G>A,p.Asp179Asn;意义不确定).

结论:

这个案例提供了对CACT缺陷的详细的本病学见解.
这些发现强调了将尸检结果与基因分析相结合的重要性,以诊断罕见的代谢障碍.

关键词:

尸体解剖是可以做的.脂肪肝是一种脂肪肝.病理学病理学病理学

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