Cited by 499Genetics and Neurodevelopmental DisordersGenomics and Rare DiseasesAutism Spectrum Disorder Research

Specific mutations in Methyl-CpG-Binding Protein 2 confer different severity in Rett syndrome

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Neul, J. L., Fang, P., Barrish, J., Lane, J., Caeg, E. B., Smith, E. O., Zoghbi, H., Percy, A. +1 more·2008·Neurology

Abstract

Objective To determine if a relationship exists between the clinical features of Rett syndrome, an X-linked dominant neurodevelopmental disorder, and specific mutations in MECP2. Method Cross-sectional study of 245 girls and women with typical Rett syndrome seen between 1990 and 2004 in tertiary academic outpatient specialty clinics and who had complete MECP2 mutation analysis. A structured clinical evaluation was completed for each participant. The results were grouped by MECP2 mutation and compared. Results Participants with the R133C mutation are less severely affected than those with R168X or large DNA deletions (p Conclusions Specific mutations in MECP2 confer different severity. These results allow the design of therapies targeted toward the amelioration of expected problems. Furthermore, the distinct effects of MECP2 mutations on clinical severity must be considered in clinical intervention trials.

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Registry

Crossref · 10.1212/01.wnl.0000291011.54508.aa

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38 of 38 references verified0 citation errors · 0 not checkable

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  • MECP2 mutation status is a strong predictor of disease severity.

    “Therefore, MECP2 mutation status is a strong predictor of disease severity, but phenotype variation commonly occurs between individuals with the same MECP2 mutation and is attributed to differences in X chromosome inactivation (XCI) [97].”
  • Mutations in MECP2 account for 95% of typical RTT cases.

    “It is now well established that mutations in MECP2 account for 95% of typical RTT cases and commonly occur de novo [36–38].”
  • MECP2 mutations commonly occur de novo.

    “It is now well established that mutations in MECP2 account for 95% of typical RTT cases and commonly occur de novo [36–38].”
  • Rett syndrome is a neurological disorder caused by mutations in the X-linked gene MECP2.

    “Rett syndrome (RTT) is a neurological disorder caused by mutations in the X-linked gene methyl-CpG-binding protein 2 (MECP2), a ubiquitously expressed transcriptional regulator.”

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Authors
Neul, J. L., Fang, P., Barrish, J., Lane, J., Caeg, E. B., Smith, E. O., Zoghbi, H., Percy, A., & Glaze, D. G.
Affiliations
University of Alabama (US)
Venue
Neurology
Published
2008-04-15
Volume
70
Issue
16
Pages
1313-1321
ISSN
  • 0028-3878 (ISSN-L)
  • 1526-632X
OpenAlex
W2066619092
Cited by
498
References
38
Citations by year
2026: 19 · 2025: 29 · 2024: 45 · 2023: 33 · 2022: 23 · 2021: 35 · 2020: 29 · 2019: 24 · 2018: 24 · 2017: 27 · 2016: 30 · 2015: 29 · 2014: 23 · 2013: 33 · 2012: 20
FWCI
14.09
Type
journal article
Language
en
Open access
Locations
  • Neurology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • University of Alabama at Birmingham
  • National Institute of Neurological Disorders and Stroke (K08NS052240, NS057819, T32NS043124, NS43124, NS052240, R01NS057819)
  • National Center for Research Resources (U54RR019478, RR-019478, RR 00188, K01RR000188, M01RR000188)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (HD-38985, P30HD038985, HD40301, P01HD040301)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomics and Rare Diseases
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
Keywords
Rett syndrome, MECP2 mutations, clinical severity, DNA deletion, ambulation, hand use, language development
MeSH terms
Cross-Sectional Studies, Female, Humans, Mutation, Severity of Illness Index, Rett Syndrome, Methyl-CpG-Binding Protein 2

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