病例报告和文献综述与DOT1L变体相关的神经发育综合征
Aurélien Caux1, Florence Jobic2, Boris Keren3
1Clinical Genetics Department, CHU Amiens Picardie, Amiens, France; Constitutional Genetics Laboratory, CHU Amiens Picardie, and UR4666HEMATIM, University of Picardie Jules Verne, Amiens, France; Multi-site Medical Biology Laboratory SeqOIA, Paris, France.
这是DOT1L基因.
科学领域:
- 遗传学 是一个遗传学.
- 发育生物学 发展生物学
- 表观遗传学 在表观遗传学中,表观遗传学是指表观遗传学.
背景情况:
- DOT1L编码的是一个素甲基转移酶,其向素H3素79.
- DOT1L误解变异与发育迟缓和先天性异常有关.
- 这项研究报告了第26位被诊断患有这种DOT1L相关疾病的患者.
研究的目的:
- 研究患者发育迟缓和先天性异常的遗传原因.
- 为了识别与这种综合征相关的DOT1L基因中的新型变异.
主要方法:
- 进行了三基因组测序 (GS).
- 临床检查包括对发育,神经和身体特征的评估.
主要成果:
- 在DOT1L基因中发现了一种新的异质合体误解变异 (c.161C>T; p.(Ala54Val)).
- 患者呈现全球发育迟缓 (主要是语言),大脑异常,低血压和肌肉骨问题.
结论:
- 鉴定到的DOT1L变异是一种新的发育迟缓和先天异常的原因.
- 与DOT1L相关的疾病表现出复杂的病因,具有潜在的功能获取和功能丧失机制.
- 全球发育迟缓,语言障碍和行为问题是一致的临床表现.
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