在遗传性胸前大动脉疾病中,针对共存的马芬和洛伊斯-迪茨综合征进行综合基因检测
Shohei Yoshida1, Hayato Tada1, Chiaki Goten1
1Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan.
JACC. Case reports
|December 18, 2024
概括
遗传性胸前动脉疾病 (HTAD) 的准确诊断需要进行全面的遗传检测. 这一案例揭示了马凡综合征 (MFS) 和洛伊斯-迪茨综合征 (LDS) 可以并存,需要先进的遗传分析来进行适当的管理.
科学领域:
- 遗传学 是一个遗传学.
- 心脏病学 心脏病学
- 罕见疾病 罕见疾病
背景情况:
- 遗传性胸前动脉疾病 (HTAD) 包括像马凡综合征 (MFS) 和洛伊斯-迪茨综合征 (LDS) 这样的疾病.
- 由于不同的临床轨迹和管理策略,精确的区分至关重要.
- 通常与FBN1突变相关的MFS,在将其与其他HTAD亚型区分开来时可能存在挑战.
研究的目的:
- 报告一个家庭中MFS和LDS同时存在的病例,该家庭有早期发生的大动脉剖析.
- 强调综合基因测试的重要性,超越单核酸多态.
- 要突出评估HTAD拷贝数变化的诊断实用性.
主要方法:
- 一个有大动脉剖析史的家庭的临床评估.
- 基因分析包括下一代测序 (NGS).
- 阵列比较基因组杂交 (aCGH) 来检测复制数变异 (CNVs).
主要成果:
- 最初的诊断表明,MFS是基于FBN1的病原性变异.
- 综合基因检测发现了SMAD3的大删除 (CNV),表明共存的MFS和LDS.
- 经过修订的诊断显著影响了患者查和随访方案.
结论:
- 准确的HTAD诊断需要全面的基因检测,包括对CNVs的评估.
- 可以出现MFS和LDS的共存,需要特定的诊断和管理方法.
- 先进的遗传技术对于精确的HTAD亚型和个性化的患者护理至关重要.
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