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Updated: Aug 1, 2025

Investigating the Pathogenesis of MYH7 Mutation Gly823Glu in Familial Hypertrophic Cardiomyopathy using a Mouse Model
Published on: August 8, 2022
Study of pathogenic genes in a pedigree with familial dilated cardiomyopathy
Xin-Ru Zhang1, Hang Ren2, Fang Yao2
1Department of Pharmacy, The Second Hospital of Jilin University, Changchun 130000, Jilin Province, China.
Insights
Researchers identified a novel gene mutation, ANK2p.F3067L, linked to dilated cardiomyopathy (DCM). This discovery aids in understanding DCM
Area of Science:
- Cardiovascular Genetics
- Molecular Cardiology
Background:
- Dilated cardiomyopathy (DCM) is a complex genetic heart condition.
- Genetic heterogeneity in DCM leads to varied disease severity and poor prognosis.
Purpose of the Study:
- Identify pathogenic genes contributing to DCM.
- Analyze DCM inheritance patterns within a family pedigree.
Main Methods:
- Whole-exome sequencing of seven family members.
- Next-generation sequencing technology applied.
- Pedigree analysis of a DCM patient's family.
Main Results:
- A novel mutation, ANK2p.F3067L, was identified.
- The mutation perfectly correlated with DCM in the family.
- Sanger sequencing confirmed the mutation's locus.
Conclusions:
- ANK2p.F3067L is a potentially pathogenic gene mutation in DCM.
- This finding contributes to the genetic understanding of DCM.
Background:
Dilated cardiomyopathy (DCM) is a genetically heterogeneous cardiac disorder characterized by left ventricular dilation and contractile dysfunction. The substantial genetic heterogeneity evident in patients with DCM contributes to variable disease severity and complicates overall prognosis, which can be very poor.
Aim:
To identify pathogenic genes in DCM through pedigree analysis.
Methods:
Our research team identified a patient with DCM in the clinic. Through investigation, we found that the family of this patient has a typical DCM pedigree. High-throughput sequencing technology, next-generation sequencing, was used to sequence the whole exomes of seven samples in the pedigree.
Results:
A novel and potentially pathogenic gene mutation-ANK2p.F3067L-was discovered. The mutation was completely consistent with the clinical information for this DCM pedigree. Sanger sequencing was used to further verify the locus of the mutation in pedigree samples. These results were consistent with those of high-throughput sequencing.
Conclusions:
ANK2p.F3067L is considered a novel and potentially pathogenic gene mutation in DCM.
Related Concept Videos
Cardiomyopathy III: Hypertrophic Cardiomyopathy
Cardiomyopathy II: Dilated Cardiomyopathy
Pedigree Analysis
Incomplete Dominance
Cardiomyopathy I: Introduction and Classification
Animal Mitochondrial Genetics

