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与MTSS2相关的疾病:在四个新病例和文献审查中改进表型
Angela De Dominicis1, Francesca Piceci Sparascio2, Fabrizia Stregapede2,3
1Neurology, Epilepsy and Movement Disorders Unit, Bambino Gesù Children's Hospital, IRCCS, Full Member of European Reference Network EpiCARE, Rome, Italy.
American journal of medical genetics. Part A
|January 31, 2025
概括
MTSS2基因变异c.2011C>T (p.Arg671Trp) 导致一种神经发育障碍,其特征是智力障碍,小头症和独特的面部特征. 这项研究扩大了已知的病例,详细介绍了神经和系统性并发症.
科学领域:
- 遗传学和基因组学 遗传学和基因组学
- 神经科学是一个神经科学.
- 发展生物学 发展生物学
背景情况:
- MTSS2基因对神经发育至关重要,在中枢神经系统中高度表达.
- 一种特定的de novo复发型变种c.2011C>T (p.Arg671Trp) 在2022年被确定,与具有眼睛异常和独特面部特征的智力发育障碍有关 (OMIM#620086).
研究的目的:
- 关于四名新的与MTSS2复发变异c.2011C>T (p.Arg671Trp) 的无关患者的临床数据.
- 详细阐述这种罕见疾病的临床表现,包括神经和神经外伴随性疾病.
- 提出与心脏和脏形的潜在关联.
主要方法:
- 从四名新患者收集临床数据.
- 对MTSS2变异c.2011C>T (p.Arg671Trp) 的现有文献的审查.
- 神经和系统特征的分析.
主要成果:
- 常见的特征包括发育迟缓 (尤其是语言),轻度智力障碍,小头症,非特定的大脑MRI发现,以及面部异形.
- 其他观察到的表现包括低血压,精神疾病,发作,生长延迟,骨异常,食困难和协调不良.
- 很少,听力损失,眼睛,胃肠道,尿生殖系统和心血管异常被注意到.
结论:
- MTSS2变种c.2011C>T (p.Arg671Trp) 与一种主要的神经但多系统性疾病有关.
- 智力障碍,小头症和形状障碍是其中的关键特征.
- 需要进一步研究心脏和脏并发症.
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