期刊
PEDIATRIC RESEARCH
卷 80, 期 6, 页码 809-815出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/pr.2016.162
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资金
- ISCIII-Accion Estrategica en Salud [PI14/00350]
- FEDER -Fondo Europeo de Desarrollo Regional
- Fundacion Alicia Koplowitz
- grant X Convocatoria Anual de Ayudas a proyectos de investigacion en la areas de psiquiatria de la infancia y adolescencia y neurociencias en el nino (Fundacion Alicia Koplowitz)
BACKGROUND: Mutations in the X-linked gene MED12 cause at least three different, but closely related, entities of syndromic intellectual disability. Recently, a new syndrome caused by MED13L deleterious variants has been described, which shows similar clinical manifestations including intellectual disability, hypotonia, and other congenital anomalies. METHODS: Genotyping of 1,256 genes related with neuro-development was performed by next-generation sequencing in three unrelated patients and their healthy parents. Clinically relevant findings were confirmed by conventional sequencing. RESULTS: Each patient showed one de novo variant not previously reported in the literature or databases. Two different missense variants were found in the MED12 or MED13L genes and one nonsense mutation was found in the MED13L gene. CONCLUSION:The phenotypic consequences of these mutations are closely related and/or have been previously reported in one or other gene. Additionally, MED12 and MED13L code for two closely related partners of the mediator kinase module. Consequently, we propose the concept of a common MED12/MED13L clinical spectrum, encompassing Opitz-Kaveggia syndrome, Lujan-Fryns syndrome, Ohdo syndrome, MED13L haploinsufficiency syndrome, and others.
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