Related Experiment Video

Updated: Jun 1, 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

Published on: August 8, 2022

Hypertrophic cardiomyopathy: from mutation to functional analysis of defective protein

Pavel Capek1, Jiri Vondrasek, Jiri Skvor

  • 1Department of Anthropology and Human Genetics, Charles University, Prague, Czech Republic. capekpavel@gmail.com

Croatian Medical Journal
|June 16, 2011
PubMed

Insights

Genetic mutations in the MYH7 gene are linked to severe hypertrophic cardiomyopathy. Specific amino acid changes, like Asp778Val, significantly impact protein structure and disease severity.

Area of Science:

  • Molecular Genetics
  • Cardiovascular Research
  • Protein Structure Analysis

Background:

  • Hypertrophic cardiomyopathy (HCM) is a genetic heart condition.
  • The MYH7 gene is frequently implicated in HCM pathogenesis.
  • Understanding genotype-phenotype correlations is crucial for HCM management.

Observation:

  • A cohort of 153 hypertrophic cardiomyopathy patients was studied.
  • Mutations in exons 21 and 22 of the MYH7 gene were analyzed.
  • Two specific mutations, Arg870His and Asp778Val, were identified in severe HCM cases.

Findings:

  • In silico analysis of the Asp778Val mutation in myosin-7 protein was performed.
  • This mutation alters amino acid interactions and protein stability.
  • Changes in amino acid charge significantly affect protein function.

Implications:

  • MYH7 gene mutations are critical in hypertrophic cardiomyopathy development.
  • The location and type of mutation influence disease severity.
  • In silico modeling aids in understanding the functional impact of genetic variations in HCM.
Abstract

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