Journal article
Breakpoint junction features of seven DMD deletion mutations
Human Genome Variation, Vol.6(1)
2019
Abstract
Duchenne muscular dystrophy is an inherited muscle wasting disease with severe symptoms and onset in early childhood. Duchenne muscular dystrophy is caused by loss-of-function mutations, most commonly deletions, within the DMD gene. Characterizing the junction points of large genomic deletions facilitates a more detailed model of the origins of these mutations and allows for a greater understanding of phenotypic variations associated with particular genotypes, potentially providing insights into the deletion mechanism. Here, we report sequencing of breakpoint junctions for seven patients with intragenic, whole-exon DMD deletions. Of the seven junction sequences identified, we found one instance of a “clean” break, three instances of microhomology (2–5 bp) at the junction site, and three complex rearrangements involving local sequences. Bioinformatics analysis of the upstream and downstream breakpoint regions revealed a possible role of short inverted repeats in the initiation of some of these deletion events.
Details
- Title
- Breakpoint junction features of seven DMD deletion mutations
- Authors/Creators
- N.P. Keegan (Author/Creator) - Murdoch UniversityS.D. Wilton (Author/Creator) - Murdoch UniversityS. Fletcher (Author/Creator) - Murdoch University
- Publication Details
- Human Genome Variation, Vol.6(1)
- Publisher
- Springer Nature
- Identifiers
- 991005545425307891
- Copyright
- © 2019 Springer Nature Publishing AG
- Murdoch Affiliation
- Centre for Molecular Medicine and Innovative Therapeutics
- Language
- English
- Resource Type
- Journal article
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