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High mutation rate in dopa-responsive dystonia: Detection with comprehensive GCHI screening

J. Hagenah, R. Saunders-Pullman, K. Hedrich, K. Kabakci, K. Habermann, K. Wiegers, K. Mohrmann, T. Lohnau, D. Raymond, P. Vieregge, T. Nygaard, L. J. Ozelius, S. B. Bressman, C. Klein*

*Corresponding author for this work

Abstract

Mutations in GTP cyclohydrolase I (GCHI) are found in 50 to 60% of cases with dopa-responsive dystonia (DRD). Heterozygous GCHI exon deletions, undetectable by sequencing, have recently been described in three DRD families. We tested 23 individuals with DRD for the different mutation types by conventional and quantitative PCR analyses and found mutations, including two large exon deletions, in 87%. The authors attribute this high mutation rate to rigorous inclusion criteria and comprehensive mutational analysis.

Original languageEnglish
JournalNeurology
Volume64
Issue number5
Pages (from-to)908-911
Number of pages4
ISSN0028-3878
DOIs
Publication statusPublished - 08.03.2005

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being
  2. SDG 10 - Reduced Inequalities
    SDG 10 Reduced Inequalities

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