MECP2 duplication syndrome in a patient from Cameroon

被引:4
|
作者
Tekendo-Ngongang, Cedrik [1 ]
Dahoun, Sophie [2 ]
Nguefack, Seraphin [3 ,4 ]
Moix, Isabelle [2 ]
Gimelli, Stefania [2 ]
Zambo, Huguette [3 ]
Morris, Michael A. [2 ]
Sloan-Bena, Frederique [2 ]
Wonkam, Ambroise [5 ]
机构
[1] NHGRI, Med Genet Branch, NIH, 35 Convent Dr,Bldg 35, Bethesda, MD 20892 USA
[2] Geneva Univ Hosp, Serv Genet Med, Geneva, Switzerland
[3] Yaounde Gynaecoobstet & Pediat Hosp, Dept Obstet & Gynecol, Yaounde, Cameroon
[4] Univ Yaounde I, Fac Med & Biomed Sci, Dept Pediat, Yaounde, Cameroon
[5] Univ Cape Town, Div Human Genet, Fac Hlth Sci, Cape Town, South Africa
基金
美国国家卫生研究院;
关键词
Africa; array-CGH; Cameroon; MECP2; duplication; Xq28;
D O I
10.1002/ajmg.a.61510
中图分类号
Q3 [遗传学];
学科分类号
071007 ; 090102 ;
摘要
MECP2 duplication syndrome (MDS; OMIM 300260) is an X-linked neurodevelopmental disorder caused by nonrecurrent duplications of the Xq28 region involving the gene methyl-CpG-binding protein 2 (MECP2; OMIM 300005). The core phenotype of affected individuals includes infantile hypotonia, severe intellectual disability, very poor-to-absent speech, progressive spasticity, seizures, and recurrent infections. The condition is 100% penetrant in males, with observed variability in phenotypic expression within and between families. Features of MDS in individuals of African descent are not well known. Here, we describe a male patient from Cameroon, with MDS caused by an inherited 610 kb microduplication of Xq28 encompassing the genes MECP2, IRAK1, L1CAM, and SLC6A8. This report supplements the public data on MDS and contributes by highlighting the phenotype of this condition in affected individuals of African descent.
引用
收藏
页码:619 / 622
页数:4
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