Related Experiment Video

Updated: Jul 16, 2026

Investigating the Pathogenesis of MYH7 Mutation Gly823Glu in Familial Hypertrophic Cardiomyopathy using a Mouse Model
03:45

Investigating the Pathogenesis of MYH7 Mutation Gly823Glu in Familial Hypertrophic Cardiomyopathy using a Mouse Model

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Symptomatic distal myopathy with cardiomyopathy due to a MYH7 mutation

S Overeem1, H J Schelhaas, P J Blijham

  • 1Department of Clinical Neurophysiology, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands. s.overeem@neuro.umcn.nl

Neuromuscular Disorders : NMD
|March 27, 2007
PubMed

Insights

A novel myosin heavy chain gene (MYH7) mutation, Val606Met in exon 16, causes both hypertrophic cardiomyopathy and distal myopathy. This finding expands the known MYH7-related muscle disease spectrum.

Area of Science:

  • Genetics
  • Molecular Biology
  • Cardiology

Background:

  • The myosin heavy chain gene (MYH7) is associated with various muscle disorders.
  • Specific mutations in MYH7 lead to distinct phenotypes such as hypertrophic cardiomyopathy, myosin storage myopathy, and Laing distal myopathy.

Observation:

  • A family presented with a unique combination of hypertrophic cardiomyopathy and hypertrophic distal myopathy.
  • Genetic analysis identified a specific MYH7 Val606Met mutation located in exon 16.

Findings:

  • The identified MYH7 Val606Met mutation in exon 16 is linked to the co-occurrence of hypertrophic cardiomyopathy and hypertrophic distal myopathy.
  • This specific mutation expands the known genotype-phenotype correlations for MYH7.

Implications:

  • This discovery broadens the understanding of MYH7-related myopathies.
  • It suggests that mutations in exon 16 of MYH7 can result in a complex phenotype affecting both cardiac and distal muscles.
  • Further research into this specific mutation may reveal novel therapeutic targets for related muscle diseases.

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