The genetic landscape of intellectual disability arising from chromosome X

被引:153
作者
Gecz, Jozef [1 ,2 ]
Shoubridge, Cheryl [1 ,2 ]
Corbett, Mark [1 ]
机构
[1] Womens & Childrens Hosp, SA Pathol, Adelaide, SA 5006, Australia
[2] Univ Adelaide, Dept Paediat, Adelaide, SA 5000, Australia
基金
英国医学研究理事会;
关键词
LINKED MENTAL-RETARDATION; GENOMIC HYBRIDIZATION ANALYSIS; DUPLICATED CRITICAL REGION; INTRAGENIC DELETION; MECP2; DUPLICATIONS; MISSENSE MUTATION; BINDING-PROTEIN; RETT-SYNDROME; VCX-A; IDENTIFICATION;
D O I
10.1016/j.tig.2009.05.002
中图分类号
Q3 [遗传学];
学科分类号
071007 ; 090102 ;
摘要
X-linked mental retardation (XLMR) or intellectual disability (ID) is a common, clinically complex and genetically heterogeneous disease arising from many mutations along the X chromosome. It affects between 1/600-1/1000 males and a substantial number of females. Research during the past decade has identified >90 different XLMR genes, affecting a wide range of cellular processes. Many more genes remain uncharacterized, especially for the non-syndromic XLMR forms. Currently, similar to 11% of X-chromosome genes are implicated in XLMR; however, apart from a few notable exceptions, most contribute individually to <0.1% of the total landscape, which arguably remains only about half complete. There remain many hills to climb and valleys to cross before the ID landscape is fully triangulated.
引用
收藏
页码:308 / 316
页数:9
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