Related Experiment Video
Updated: May 30, 2025
Investigating the Pathogenesis of MYH7 Mutation Gly823Glu in Familial Hypertrophic Cardiomyopathy using a Mouse Model
Published on: August 8, 2022
Pathogenic genes and clinical prognosis in hypertrophic cardiomyopathy
Ying Hong1,2, Hu-Tao Xi1, Xin-Yi Yang1
1Institute of Cardiovascular Diseases & Department of Cardiology, Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu 610072, Sichuan Province, China.
Insights
Hypertrophic cardiomyopathy (HCM) is an inherited heart condition often caused by sarcomere gene mutations. Understanding these genetic links is crucial for predicting patient outcomes and managing this diverse disease.
Area of Science:
- Cardiovascular Genetics
- Molecular Cardiology
- Genetic Epidemiology
Background:
- Hypertrophic cardiomyopathy (HCM) is an autosomal dominant inherited disorder.
- Characterized by left ventricular hypertrophy, HCM is a leading cause of sudden cardiac death in young individuals and athletes.
- The condition exhibits significant phenotypic heterogeneity, ranging from asymptomatic cases to fatal outcomes.
Purpose of the Study:
- To elucidate the primary pathogenic genes implicated in HCM.
- To correlate specific gene mutations with clinical phenotypes and patient prognosis.
- To enhance understanding of HCM as a complex genetic cardiovascular disease.
Main Methods:
- Retrospective literature analysis.
- Evaluation of associations between gene mutations and clinical phenotypes in HCM patients.
- Review of studies utilizing advanced sequencing technologies.
Main Results:
- The majority of HCM cases are linked to mutations in sarcomere protein genes.
- Advancements in sequencing have clarified the spectrum of pathogenic mutations and phenotypic characteristics.
- HCM presents as a widespread inherited disease with highly variable clinical presentations.
Conclusions:
- Genotype plays a significant role in evaluating prognosis and guiding clinical management of HCM.
- Despite progress, the precise mechanisms connecting pathogenic gene mutations to the clinical course of HCM remain unclear.
- Further research is needed to fully unravel the genotype-phenotype correlations in this heterogeneous condition.
Abstract:
Hypertrophic cardiomyopathy (HCM) is an autosomal dominant inherited cardiomyopathy characterized by left ventricular hypertrophy. It is one of the chief causes of sudden cardiac death in younger people and athletes. Molecular-genetic studies have confirmed that the vast majority of HCM is caused by mutations in genes encoding sarcomere proteins. HCM has a relatively wide phenotypic heterogeneity, varying from asymptomatic to sudden cardiac death, because of the many different mutations and pathogenic genes underlying it. Many studies have explored the clinical symptoms and prognosis of HCM, emphasizing the importance of genotype in evaluating patient prognosis and guiding the clinical management of HCM. To elaborate the main pathogenic genes and phenotypic prognosis in HCM to promote a better understanding of this genetic disease. Retrospective analysis of literature to evaluate the association between underlying gene mutations and clinical phenotypes in HCM patients. As sequencing technology advances, the pathogenic gene mutation spectrum and phenotypic characteristics of HCM are gradually becoming clearer. HCM is a widespread inherited disease with a highly variable clinical phenotype. The precise mechanisms linking known pathogenic gene mutations and the clinical course of this heterogeneous condition remain elusive.
Related Concept Videos
01:17Pathophysiology of Heart Failure
01:33Cancer-Critical Genes I: Proto-oncogenes
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...
01:29Pathophysiology of Cardiac Performance
01:19Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
01:30Pulmonary Hypertension: Classification and Pathogenesis
There are various classifications for PH, each relating to different underlying causes and also...
01:05Cancer-Critical Genes II: Tumor Suppressor Genes
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...