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Emerging molecular therapies targeting myocardial infarction-related arrhythmias
Helen E Driessen1, Toon A B van Veen1, Gerard J J Boink2,3
1Division of Heart and Lungs, Department of Medical Physiology, University Medical Center Utrecht, Utrecht, The Netherlands.
Insights
Gene and cell therapies offer a promising, targeted approach to treating ventricular arrhythmias caused by heart attacks. These novel therapies aim to be non-destructive and regenerative, overcoming limitations of current treatments.
Area of Science:
- Cardiovascular Medicine
- Regenerative Medicine
- Molecular Cardiology
Background:
- Cardiac disease is the leading cause of death globally.
- Ventricular arrhythmias from myocardial ischemia/infarction significantly contribute to cardiovascular mortality.
- Current treatments (drugs, devices, ablation) have limitations including ineffectiveness, toxicity, and tissue damage.
Purpose of the Study:
- To explore gene and cell therapies as novel approaches for treating ischemia- and infarction-related arrhythmias.
- To address the limitations of existing therapeutic strategies for ventricular arrhythmias.
- To investigate potential regenerative and targeted interventions for cardiovascular conditions.
Main Methods:
- Review and analysis of current research in gene and cell therapy for cardiac arrhythmias.
- Exploration of the mechanisms underlying the potential efficacy of these novel therapies.
- Assessment of the potential for targeted, non-destructive, and regenerative approaches.
Main Results:
- Gene and cell therapies are emerging as potential treatments for arrhythmias.
- These therapies offer a targeted approach, addressing specific triggers or substrates.
- They hold the potential for non-destructive and regenerative effects on cardiac tissue.
Conclusions:
- Gene and cell therapies represent a promising frontier in managing cardiac arrhythmias.
- These approaches may overcome the limitations of conventional treatments.
- Further development is crucial to realize their full potential in preventing and treating cardiovascular mortality.
Abstract:
Cardiac disease is the leading cause of death in the developed world. Ventricular arrhythmias associated with myocardial ischaemia and/or infarction are a major contributor to cardiovascular mortality, and require improved prevention and treatment. Drugs, devices, and radiofrequency catheter ablation have made important inroads, but have significant limitations ranging from incomplete success to undesired toxicities and major side effects. These limitations derive from the nature of the intervention. Drugs are frequently ineffective, target the entire heart, and often do not deal with the specific arrhythmia trigger or substrate. Devices can terminate rapid rhythms but at best indirectly affect the underlying disease, while ablation, even when appropriately targeted, induces additional tissue damage. In contrast, exploration of gene and cell therapies are expected to provide a targeted, non-destructive, and potentially regenerative approach to ischaemia- and infarction-related arrhythmias. Although these approaches are in the early stages of development, they carry substantial potential to advance arrhythmia prevention and treatment.
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