Charcot-Marie-Tooth disease: The development of a diagnostic platform using next generation sequencing

Rikke Christensen, Signe Væth, Kasper Thorsen, Kristiansen Rikke, Morten Dunø, Uffe Birk Jensen

Publikation: KonferencebidragPosterForskning

Abstract

Background: Charcot-Marie-Tooth Disease (CMT) is one of the most common inherited neurological diseases. Today, more than 70 CMT related genes are known to cause inherited neuropathy. The diagnostic strategy in most laboratories is based on Sanger-sequencing of few genes. In our patient cohort, Sanger sequencing of 4 genes have led to a diagnosis in approximately 30% of the patients.
Aims: 1) Development of a targeted NGS platform containing 63 genes that currently are found to be associated with CMT. 2) Analysis of the increased diagnostic yield using this platform to analyze 200 CMT samples previously analyzed using Sanger sequencing without identification of a disease causing mutation.
Materials and Methods: Libraries for 200 patient samples obtained for CMT diagnostics were prepared using Illumina Truseq and target enrichment using SeqCap EZ Choise Library (Nimblegen). The libraries were sequenced on a Hiseq2000. Data analysis was performed using CLC Genomics Workbench v7.0.3.
Results and Conclusion: Preliminary results indicate an increased diagnostic yield when analyzing 63 CMT associated genes compared to previous Sanger sequencing of 4 genes. The introduction of NGS in CMT diagnostics significantly improves the current practice.
OriginalsprogEngelsk
Publikationsdato19 maj 2014
StatusUdgivet - 19 maj 2014
BegivenhedNext Generation Sequencing Data Congress - London, Storbritannien
Varighed: 19 maj 201420 maj 2014

Konference

KonferenceNext Generation Sequencing Data Congress
Land/OmrådeStorbritannien
ByLondon
Periode19/05/201420/05/2014

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