Cited by 72Metabolism and Genetic DisordersGenetics and Neurodevelopmental DisordersLysosomal Storage Disorders Research

Symptoms in carriers of adrenoleukodystrophy relate to skewed X inactivation

Maier, Esther M., Kammerer, Stefan, Muntau, Ania C., Wichers, Maria, Braun, Andreas, Roscher, Adelbert A.·2002·Annals of Neurology

Abstract

Skewing of X inactivation may contribute to the manifestation of symptoms in adrenoleukodystrophy carriers. We observed highly skewed X inactivation in 32% of 22 symptomatic and asymptomatic carriers but not in 7 related and 35 unrelated controls. Skewing of X inactivation correlated with clinical neurological scores but not with the extent of very long‐chain fatty acid accumulation. Transcript analysis in cultured fibroblasts revealed that skewing could occur both in favor of the mutant and the wild‐type allele. Adrenoleukodystrophy carriers are more susceptible to develop skewing of X inactivation in favor of the mutant allele beiing associated with the manifestation of symptoms.

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Crossref · 10.1002/ana.10376

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  • Slowly progressive AMN symptoms occur in approximately 65% of heterozygous women by age 60 due to inactivation of the non-mutated X chromosome and mosaic expression of X-linked genes in neural cells.

    “Although ALD is an X-linked disease, slowly progressive AMN symptoms occur in ~65% of heterozygous women by the age of 60 years [31,47,59,60] due to the inactivation of the non-mutated X chromosome and the mosaic expression of X-linked genes in neural cells [60,61,62,63].”

    From Revisiting the Pathogenesis of X-Linked Adrenoleukodystrophy (2025) · cites this paper as [62]

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Authors
Maier, E. M., Kammerer, S., Muntau, A. C., Wichers, M., Braun, A., & Roscher, A. A.
Affiliations
  • Ludwig-Maximilians-Universität München (DE)
  • Sequenom (United States) (US)
  • University of Bonn (DE)
Corresponding author
Roscher, Adelbert A.
Venue
Annals of Neurology
Publisher
Wiley
Published
2002-10-24
Volume
52
Issue
5
Pages
683-688
ISSN
  • 0364-5134 (ISSN-L)
  • 1531-8249
OpenAlex
W2027794132
Cited by
72
References
21
Citations by year
2025: 2 · 2024: 3 · 2023: 2 · 2022: 1 · 2020: 3 · 2019: 2 · 2018: 2 · 2017: 1 · 2016: 1 · 2015: 5 · 2014: 2 · 2013: 7 · 2012: 7
FWCI
1.53
Type
journal article
Language
en
Open access
closed
Locations
  • Annals of Neurology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Clinical Biochemistry › Metabolism and Genetic Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Health Sciences › Medicine › Physiology › Lysosomal Storage Disorders Research
Keywords
adrenoleukodystrophy, X-inactivation skewing, female carriers, X-linked disorders, neurological symptoms, very long chain fatty acids, mutant allele, genotype-phenotype correlation
MeSH terms
Adolescent, Adrenoleukodystrophy, Adult, Child, Preschool, Fatty Acids, Female, Fibroblasts, Heterozygote, Humans, Middle Aged, Reference Values, Sex Chromosome Aberrations, Transcription, Genetic, X Chromosome

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