Heterozygous mutations in TREX1 cause familial chilblain lupus and dominant Aicardi-Goutières syndrome

  • Gillian Rice
  • , William G. Newman
  • , John Dean
  • , Teresa Patrick
  • , Rekha Parmar
  • , Kim Flintoff
  • , Peter Robins
  • , Scott Harvey
  • , Thomas Hollis
  • , Ann O'Hara
  • , Ariane L. Herrick
  • , Andrew P. Bowden
  • , Fred W. Perrino
  • , Tomas Lindahl
  • , Deborah E. Barnes
  • , Yanick J. Crow

    Research output: Contribution to journalArticlepeer-review

    Abstract

    TREX1 constitutes the major 3′→5′ DNA exonuclease activity measured in mammalian cells. Recently, biallelic mutations in TREX1 have been shown to cause Aicardi-Goutières syndrome at the AGS1 locus. Interestingly, Aicardi-Goutières syndrome shows overlap with systemic lupus erythematosus at both clinical and pathological levels. Here, we report a heterozygous TREX1 mutation causing familial chilblain lupus. Additionally, we describe a de novo heterozygous mutation, affecting a critical catalytic residue in TREX1, that results in typical Aicardi-Goutières syndrome. © 2007 by The American Society of Human Genetics. All rights reserved.
    Original languageEnglish
    Pages (from-to)811-815
    Number of pages4
    JournalAmerican Journal of Human Genetics
    Volume80
    Issue number4
    DOIs
    Publication statusPublished - Apr 2007

    Keywords

    • complications: Basal Ganglia Diseases
    • Base Sequence
    • Cell Line
    • genetics: Exodeoxyribonucleases
    • Female
    • Genetic Predisposition to Disease
    • Humans
    • complications: Lupus Erythematosus, Systemic
    • Male
    • Molecular Sequence Data
    • genetics: Mutation
    • Pedigree
    • genetics: Phosphoproteins
    • Sequence Analysis, DNA
    • Syndrome

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