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Psychological status in female carriers of premutation FMR1 allele showing a complex relationship with the size of CGG expansion

  • D.Z. Loesch
  • , M.Q. Bui
  • , Eleanor Hammersley
  • , Andrea Lauren Christman Schneider
  • , Elsdon Storey
  • , Paige Stimpson
  • , Trent Burgess
  • , David Francis
  • , Howard Slater
  • , Flora Tassone
  • , Randi J Hagerman
  • , David R Hessl

Research output: Contribution to journalArticleResearchpeer-review

Abstract

We utilized a sample of 299 adult females aged between 19 and 86 years, carrying fragile X mental retardation (FMR1) alleles with small CCG expansions ranging from 50 to 141 repeats to analyse the relationships between psychological symptoms as assessed by the Symptom Checklist-90-Revised (SCL-90-R) and the size of the CGG repeat in the FMR1 gene. There were highly significant (negative) correlations between the size of the CGG repeat and a great majority of SCL-90-R subscale scores and all the global indices, suggesting that carriers of premutations in the mid-size CGG repeat range may be at greatest risk for the development of psychiatric disorder.
Original languageEnglish
Pages (from-to)173 - 178
Number of pages6
JournalClinical Genetics
Volume87
Issue number2
DOIs
Publication statusPublished - 2015

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