Related Experiment Video
Updated: Mar 30, 2026

Investigating the Pathogenesis of MYH7 Mutation Gly823Glu in Familial Hypertrophic Cardiomyopathy using a Mouse Model
Published on: August 8, 2022
Dilated cardiomyopathy produced by lamin A/C gene mutations
11 Medical Clinic, Department of Internal Medicine, Cardiology and Gastroenterology, Iuliu Haţianu University of Medicine and Pharmacology, Cluj-Napoca, Romania.
Insights
Lamin A/C gene (LMNA) associated cardiomyopathy leads to heart failure and sudden death. Early diagnosis and treatment in relatives can improve patient outcomes.
Area of Science:
- Cardiology
- Genetics
- Molecular Biology
Background:
- Lamin A/C gene (LMNA) associated cardiomyopathy is a severe inherited heart condition.
- It presents with dilated cardiomyopathy, high mortality, and risk of sudden cardiac death.
Purpose of the Study:
- To highlight the clinical features and inheritance patterns of LMNA-associated cardiomyopathy.
- To emphasize the importance of early diagnosis and management strategies.
Main Methods:
- Review of clinical presentation, genetic transmission (autosomal dominant), and penetrance.
- Discussion of diagnostic tools including clinical evaluation, ECG, echocardiography, and genetic testing.
- Consideration of therapeutic interventions.
Main Results:
- LMNA-associated cardiomyopathy has a poor prognosis with rapid progression to end-stage heart failure.
- Autosomal dominant inheritance with age-dependent penetrance and variable expression is characteristic.
- Screening of first-degree relatives is crucial for early detection.
Conclusions:
- Early diagnosis through comprehensive screening of relatives is vital for managing LMNA-associated cardiomyopathy.
- Timely therapeutic interventions, including drug therapy and non-pharmacological measures, may improve prognosis.
Abstract:
Lamin A/C gene (LMNA) associated cardiomyopathy is a form of dilated cardiomyopathy with poor prognosis and high mortality, and a rapid evolution toward end-stage heart failure and malignant ventricular arrhythmias associated with increased risk of sudden cardiac death. It is transmitted in a autosomal dominant manner and is characterized by age-dependent high penetrance and variable expression. Screening of first degree relatives of proband patients by means of clinical evaluation, electrocardiogram, echocardiography and genetic analysis is useful for the early diagnosis of the disease. Drug therapy and non-pharmacological measures in the early stages of the disease seem to improve the prognosis of these patients.
Related Concept Videos
Cardiomyopathy II: Dilated Cardiomyopathy
Cardiomyopathy III: Hypertrophic Cardiomyopathy
Cardiomyopathy I: Introduction and Classification
Cardiomyopathy IV: Restrictive Cardiomyopathy
Cardiomyopathy V: Interprofessional Care
Mitral Stenosis I: Introduction

