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Investigating the Pathogenesis of MYH7 Mutation Gly823Glu in Familial Hypertrophic Cardiomyopathy using a Mouse Model
Published on: August 8, 2022
Heart failure: advanced development in genetics and epigenetics
Jian Yang1, Wei-Wei Xu1, Shen-Jiang Hu1
1Department of Cardiology, The First Affiliated Hospital, College of Medicine, Zhejiang University, No. 79, Qing-Chun Road, Hangzhou 310003, China.
Insights
Genetic mutations and epigenetic factors, such as microRNA, play key roles in heart failure (HF) development. Understanding these genetic and epigenetic mechanisms can guide personalized HF therapies and surveillance strategies.
Area of Science:
- Cardiology
- Genetics
- Epigenetics
Background:
- Heart failure (HF) is a complex syndrome resulting from impaired cardiac function.
- Genetic mutations in cardiomyopathies are linked to various HF pathologies.
- Epigenetic mechanisms, including chromatin remodeling and DNA methylation, are implicated in HF.
Purpose of the Study:
- To review genetic mutations associated with cardiomyopathy.
- To explore the role of epigenetic mechanisms in heart failure.
- To highlight the potential of genetic screening for individualized HF therapies.
Main Methods:
- Literature review of genetic mutations in familial dilated cardiomyopathy, hypertrophic cardiomyopathy, and arrhythmogenic right ventricular cardiomyopathy.
- Overview of epigenetic mechanisms: ATP-dependent chromatin remodeling, DNA methylation, histone modification, and RNA-based mechanisms.
- Focus on microRNA's role in heart failure research.
Main Results:
- Specific genetic mutations contribute to diverse cardiomyopathy pathologies.
- Epigenetic modifications are crucial regulatory pathways in HF.
- MicroRNAs are significant factors in the pathophysiology of HF.
Conclusions:
- Genetic screening offers a pathway for personalized HF treatment and monitoring.
- Epigenetic factors, particularly microRNAs, are critical targets for future HF research.
- Integrating genetic and epigenetic insights is vital for advancing heart failure management.
Abstract:
Heart failure (HF) is a complex pathophysiological syndrome that arises from a primary defect in the ability of the heart to take in and/or eject sufficient blood. Genetic mutations associated with familial dilated cardiomyopathy, hypertrophic cardiomyopathy, and arrhythmogenic right ventricular cardiomyopathy can contribute to the various pathologies of HF. Therefore, genetic screening could be an approach for guiding individualized therapies and surveillance. In addition, epigenetic regulation occurs via key mechanisms, including ATP-dependent chromatin remodeling, DNA methylation, histone modification, and RNA-based mechanisms. MicroRNA is also a hot spot in HF research. This review gives an overview of genetic mutations associated with cardiomyopathy and the roles of some epigenetic mechanisms in HF.
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Pathophysiology of Heart Failure
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Heart Failure IV: Classification and Diagnostic Evaluation
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