Somatic mutation in MECP2 as a non-fatal neurodevelopmental disorder in males

Rett syndrome is a cause of severe learning disability in girls and is associated with a characteristic history and movement disorder. It is an X-linked dominant condition associated with mutations of the MECP2 gene on the distal part of the X-chromosome. If present in a male conceptus, the mutation...

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Veröffentlicht in:The Lancet (British edition) 2000-09, Vol.356 (9232), p.830-832
Hauptverfasser: Clayton-Smith, J, Watson, P, Ramsden, S, Black, GCM
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creator Clayton-Smith, J
Watson, P
Ramsden, S
Black, GCM
description Rett syndrome is a cause of severe learning disability in girls and is associated with a characteristic history and movement disorder. It is an X-linked dominant condition associated with mutations of the MECP2 gene on the distal part of the X-chromosome. If present in a male conceptus, the mutation is usually lethal. We present evidence to show that males can be affected by Rett syndrome. In the boy presented, this situation came about because cells containing the MECP2 mutation existed alongside a normal cell line. Somatic mosaicism could explain the occurrence of other X-linked dominant disorders in males, when they would normally be lethal.
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subjects Biological and medical sciences
Child development
Chromosomal Proteins, Non-Histone
Degenerative and inherited degenerative diseases of the nervous system. Leukodystrophies. Prion diseases
DNA-Binding Proteins - genetics
Gene Amplification
Genes
Humans
Infant, Newborn
Male
Males
Medical disorders
Medical sciences
Methyl-CpG-Binding Protein 2
Mosaicism
Mutation
Neurodevelopmental disorders
Neurology
Polymerase Chain Reaction
Repressor Proteins
Rett Syndrome - genetics
Rett Syndrome - physiopathology
title Somatic mutation in MECP2 as a non-fatal neurodevelopmental disorder in males
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