Advanced searching for hypertrophic cardiomyopathy heritability in real practice tomorrow

Olga S Chumakova1, Natalia M Baulina1

  • 1Laboratory of Functional Genomics of Cardiovascular Diseases, National Medical Research Centre of Cardiology Named After E.I. Chazov, Moscow, Russia.

Insights

Genetic testing for hypertrophic cardiomyopathy (HCM) is crucial for personalized treatment. Expanded genetic panels and risk scores, including non-genetic markers, improve patient risk stratification for this inherited cardiac disease.

Area of Science:

  • Cardiology
  • Genetics
  • Molecular Biology

Background:

  • Hypertrophic cardiomyopathy (HCM) is a prevalent inherited cardiac condition with significant morbidity and mortality.
  • The genetic basis of HCM is complex, varying between individuals and the general population.
  • Accurate molecular diagnosis is essential for advancing personalized treatment strategies in the era of gene therapy.

Purpose of the Study:

  • To underscore the importance of genetic testing in routine HCM practice.
  • To explore the potential of expanded genetic panels, including novel genes and deep intronic variants.
  • To discuss the integration of polygenic risk scores and non-genetic markers for enhanced HCM risk stratification.

Main Methods:

  • Review of current literature on genetic architecture of HCM.
  • Discussion of expanded genetic panel design incorporating core and candidate genes, deep intronic regions, and structural variations.
  • Exploration of polygenic risk scores and non-genetic markers (e.g., microRNAs) for risk stratification.

Main Results:

  • Genetic testing is fundamental for personalized HCM management.
  • Expanded genetic panels offer a more comprehensive diagnostic approach.
  • Combining genetic data with non-genetic factors like microRNAs can improve risk assessment.

Conclusions:

  • Detailed molecular diagnostics, including expanded genetic panels and risk scores, are vital for personalized hypertrophic cardiomyopathy treatment.
  • Integrating genetic and non-genetic markers enhances the stratification of HCM risk in diverse populations.
  • The principles discussed for HCM are applicable to other cardiomyopathies.

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