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Hum Mutat. 2003 Aug;22(2):107-15.

Mutations and polymorphisms in the human methyl CpG-binding protein MECP2.

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1
Institute of Human Genetics, University of Göttingen, Göttingen, Germany.

Abstract

Rett syndrome (RTT or RS) is a neurodevelopmental disorder and one of the most frequent genetic diseases in girls. Mutations of the MECP2 gene have been found in a variety of different RTT phenotypes. The MECP2 gene (Xq28) has been described in 1992. Up to now, 218 different mutations have been reported in a total group, of more than 2,100 patients. Mutations in the MECP2 gene are responsible for up to 75% of the classical RTT cases. The mutations, are distributed along the whole gene and are comprised of all types of mutations. Several polymorphisms and benign genetic variants have also been described. Apart from spared reported familial cases, almost all cases are sporadic. RTT syndrome has been considered to be a lethal trait in males. Studying the parental origin of the mutations, however, we and others have found a very high prevalence of de novo mutations on the paternal chromosome. In this work we summarize the mutational reports published until now. One of our aims was to check the mutations' descriptions for consistency and particularly to rename them according to the recommended mutation nomenclature. The increasing number of investigations on the functions of the MeCP2 can help to gain more information about the neuropathogenetic mechanisms causing RTT. Hum Mutat 22:107-115, 2003.

PMID:
12872250
DOI:
10.1002/humu.10243
[Indexed for MEDLINE]
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