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Duchenne muscular dystrophy caused by a frame-shift mutation in the acceptor splice site of intron 26
source: BMC Medical Genetics
year: 2016
authors: Mirella Meregalli, Simona Maciotta, Valentina Angeloni, Yvan Torrente
summary/abstract:Background:
The dystrophin gene is the one of the largest described in human beings and mutations associated to this gene are responsible for Duchenne or Becker muscular dystrophies.
Case Presentation:
Here we describe a nucleotide substitution in the acceptor splice site of intron 26 (c.3604-1G > C) carried by a 6-year-old boy who presented with a history of progressive proximal muscle weakness and elevated serum creatine kinase levels. RNA analysis showed that the first two nucleotides of the mutated intron 26 (AC) were not recognized by the splicing machinery and a new splicing site was created within exon 27, generating a premature stop codon and avoiding protein translation.
Conclusions:
The evaluation of the pathogenic effect of the mutation by mRNA analysis will be useful in the optics of an antisense oligonucleotides (AON)-based therapy.
DOI: 10.1186/s12881-016-0318-y
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