Methadone use in a male with the FMRI premutation and FXTAS

Zukhrofi Muzar, Reymundo Lozano, Andrea Schneider, Patrick E. Adams, Sultana M H Faradz, Flora Tassone, Randi J Hagerman

Research output: Contribution to journalArticle

12 Scopus citations

Abstract

The fragile X-associated tremor ataxia syndrome (FXTAS) is caused by the premutation in FMR1 gene. Recent reports of environmental toxins appear to worsen the progression of FXTAS. Here we present a case of male adult with FXTAS and a long history of methadone use. The patient shows a faster progression in both symptoms of disease and MRI changes compared to what is typically seen in FXTAS. There has been no research regarding the role of narcotics in onset, progression, and severity of FXTAS symptoms. However, research has shown that narcotics can have a negative impact on several neurodegenerative diseases, and we hypothesize that in this particular case, methadone may have contributed to a faster progression of FXTAS as well as exacerbating white matter disease through RNA toxicity seen in premutation carriers.

Original languageEnglish (US)
Pages (from-to)1354-1359
Number of pages6
JournalAmerican Journal of Medical Genetics, Part A
Volume167
Issue number6
DOIs
StatePublished - Jun 1 2015

Keywords

  • FMR1 gene
  • FXTAS
  • Methadone
  • Narcotics
  • Premutation
  • White matter

ASJC Scopus subject areas

  • Genetics(clinical)
  • Genetics

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