晚期出现的多重-乙-CoA-脱酶缺陷状况:来自苏格兰西部的一系列病例
Taylor Watson-Fargie1, Autumn Coomber2, Rachel Edwards3
1Institute of Neurological Sciences, Queen Elizabeth University Hospital, Glasgow, United Kingdom.
Neuromuscular disorders : NMD
|March 29, 2025
概括
晚期发病的MADD类肌病似乎比遗传MADD更为常见,通常是由像塞特拉林这样的获得因素引发的. 随着 riboflavin,营养和药物改变,人们看到改善.
科学领域:
- 生物化学 生物化学
- 神经学 神经学
- 遗传学 是一个遗传学.
背景情况:
- 多重乙-CoA-脱酶缺乏症 (MADD) 是一种罕见的代谢障碍,影响脂肪酸和氨基酸代谢.
- 遗传确诊病例的稀缺性和不断发展的文献表明,需要探索类似MADD呈现的其他原因.
研究的目的:
- 在特定患者队列中调查晚发MADD类肌肉病变的特征和潜在原因.
- 要区分原发性遗传MADD和获得的MADD类疾病.
主要方法:
- 对19名患有晚发性MADD的有效诊断的患者进行了回顾性分析.
- 对临床表现,生物化学概况 (乙卡尼丁),骨肌肉活检和遗传检测 (ETFDH基因) 的审查.
- 评估患者病史的诱发因素和药物使用 (塞特拉林).
主要成果:
- 中位发病年龄为52岁,女性占主导地位. 常见的表现包括体胆固化和亚急性肌肉病变.
- 14/19名患者有挑起因素,16/19名患者使用塞特拉林.
- 观察到异常的乙卡尼丁形状和肌肉活检;只有4/19有异性ETFDH变体. 在14/19名患者中观察到脂质积累.
- 随着 riboflavin 治疗,营养建议和停止使用 sertraline,发生了可变的改善.
结论:
- 在这个队列中,晚期发病的MADD类肌肉病变可能比初级遗传MADD更为普遍.
- 非遗传和获得的因素,包括使用塞特拉林,可能是MADD类表现的重要贡献者.
- 治疗策略集中在支持性护理, рибофлавин,并解决获得的因素是有效的.
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