Molecular diagnosis of myotonic dystrophy

Sujata Chakraborty, Matteo Vatta, Linda L. Bachinski, Ralf Krahe, Stephen Dlouhy, Shaochun Bai

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Myotonic dystrophy types 1 (DM1) and 2 (DM2) are autosomal dominant, microsatellite repeat expansion disorders that affect muscle function. Myotonic dystrophy type 1 is caused by CTG repeat expansion in the 3' UTR region of the DMPK gene. Patients with DM2 have expansion of CCTG repeats in intron 1 of the CNBP gene. In this unit, we review and discuss the clinical phenotypes, genetic mutations causing the diseases, and the molecular diagnostic approaches and tools that are used to determine repeat sizes in DM1/2. In summary, the goal of this chapter is to provide the reader with a basic understanding of the clinical, genetic and diagnostic aspects of these disorders.

Original languageEnglish (US)
Pages (from-to)9.29.1-9.29.19
JournalCurrent Protocols in Human Genetics
Volume2016
DOIs
StatePublished - 2016

Fingerprint

Myotonic Dystrophy
Molecular Pathology
3' Untranslated Regions
Muscular Diseases
Microsatellite Repeats
Introns
Genes
Phenotype
Mutation

Keywords

  • CCTG repeat
  • CNBP
  • CTG repeat
  • DMPK
  • Myotonic dystrophy type 1
  • Myotonic dystrophy type 2
  • Repeat-primed PCR (RP-PCR)
  • Southern blot
  • Triplet-repeat primed PCR (TP-PCR)

ASJC Scopus subject areas

  • Genetics
  • Genetics(clinical)

Cite this

Chakraborty, S., Vatta, M., Bachinski, L. L., Krahe, R., Dlouhy, S., & Bai, S. (2016). Molecular diagnosis of myotonic dystrophy. Current Protocols in Human Genetics, 2016, 9.29.1-9.29.19. https://doi.org/10.1002/cphg.22

Molecular diagnosis of myotonic dystrophy. / Chakraborty, Sujata; Vatta, Matteo; Bachinski, Linda L.; Krahe, Ralf; Dlouhy, Stephen; Bai, Shaochun.

In: Current Protocols in Human Genetics, Vol. 2016, 2016, p. 9.29.1-9.29.19.

Research output: Contribution to journalArticle

Chakraborty, S, Vatta, M, Bachinski, LL, Krahe, R, Dlouhy, S & Bai, S 2016, 'Molecular diagnosis of myotonic dystrophy', Current Protocols in Human Genetics, vol. 2016, pp. 9.29.1-9.29.19. https://doi.org/10.1002/cphg.22
Chakraborty S, Vatta M, Bachinski LL, Krahe R, Dlouhy S, Bai S. Molecular diagnosis of myotonic dystrophy. Current Protocols in Human Genetics. 2016;2016:9.29.1-9.29.19. https://doi.org/10.1002/cphg.22
Chakraborty, Sujata ; Vatta, Matteo ; Bachinski, Linda L. ; Krahe, Ralf ; Dlouhy, Stephen ; Bai, Shaochun. / Molecular diagnosis of myotonic dystrophy. In: Current Protocols in Human Genetics. 2016 ; Vol. 2016. pp. 9.29.1-9.29.19.
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