Related Experiment Video

Updated: May 14, 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

Progress in the molecular genetics of hypertrophic cardiomyopathy: a mini-review

Tao Tian1, Yaxin Liu, Xianliang Zhou

  • 1Department of Cardiology, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.

Gerontology
|February 1, 2013
PubMed

Insights

Hypertrophic cardiomyopathy (HCM) is an inherited heart condition caused by genetic mutations. Research is advancing our understanding of its molecular genetics, pathogenesis, and unique features in elderly patients.

Area of Science:

  • Cardiovascular Genetics
  • Molecular Cardiology
  • Geriatric Cardiology

Background:

  • Hypertrophic cardiomyopathy (HCM) is an inherited cardiovascular disease characterized by unexplained left ventricular hypertrophy.
  • Its penetrance increases with age, highlighting the importance of understanding age-related factors.

Purpose of the Study:

  • To review recent advancements in the molecular genetics of HCM.
  • To discuss the distinct characteristics observed in elderly patients with HCM.

Main Methods:

  • Analysis of studies focusing on HCM-related genes and their genotype-phenotype correlations.
  • Investigation into the potential pathogenesis of HCM.
  • Examination of the clinical features specific to elderly HCM patients.

Main Results:

  • HCM is linked to mutations in genes encoding sarcomere, Z-disc, and Ca2+-handling proteins.
  • Phenotype complexity arises from genetic modifiers and epigenetic factors.
  • Late-onset HCM shows specific gene distributions, with MYBPC3 mutations being common and sarcomere gene screens often negative in older individuals.

Conclusions:

  • Significant progress has been made in identifying HCM genetic causes and pathogenesis.
  • Identifying the genetic basis for 50% of HCM cases without identified mutations remains a challenge.
  • Further research using advanced genetic technologies and elucidating mutation effects on cardiocyte function is needed.
Abstract

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