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Restoring heart function and electrical integrity: closing the circuit
Luís Miguel Monteiro1,2,3, Francisco Vasques-Nóvoa1,2,4, Lino Ferreira3
1i3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal.
Insights
Innovative bioengineered strategies, including gene/cell delivery and conductive biomaterials, aim to restore heart electrical integrity and repair cardiac tissue, addressing limitations in current cardiovascular disease therapies.
Area of Science:
- Biomedical Engineering
- Cardiology
- Regenerative Medicine
Background:
- Cardiovascular diseases are a leading global cause of death, frequently linked to arrhythmias from disrupted myocardial electrical integrity.
- Dysfunction of cardiac excitatory/conductive tissues contributes significantly to morbidity and mortality, with current therapies facing limitations.
Purpose of the Study:
- To review the state-of-the-art in bioengineered strategies for improving heart conduction and promoting myocardial repair.
- To describe the biological principles of the cardiac electrical/conduction system and its disruption in heart disease.
Main Methods:
- Review of current literature on gene/cell delivery for cardiac repair.
- Analysis of conductive biomaterials in cardiac tissue engineering.
- Description of the cardiac electrical system and disease-related disruptions.
Main Results:
- Identification of gene/cell delivery and conductive biomaterials as key bioengineering approaches.
- Elucidation of the cardiac electrical system's function and pathological alterations.
- Highlighting the potential of these innovative strategies to overcome therapeutic limitations.
Conclusions:
- Bioengineered strategies offer promising avenues for enhancing cardiac conduction and myocardial repair.
- Further research is needed to optimize these approaches for clinical application in cardiovascular disease treatment.
Abstract:
Cardiovascular diseases are the main cause of death in the world and are often associated with the occurrence of arrhythmias due to disruption of myocardial electrical integrity. Pathologies involving dysfunction of the specialized cardiac excitatory/conductive tissue are also common and constitute an added source of morbidity and mortality since current standard therapies withstand a great number of limitations. As electrical integrity is essential for a well-functioning heart, innovative strategies have been bioengineered to improve heart conduction and/or promote myocardial repair, based on: (1) gene and/or cell delivery; or (2) conductive biomaterials as tools for cardiac tissue engineering. Herein we aim to review the state-of-art in the area, while briefly describing the biological principles underlying the heart electrical/conduction system and how this system can be disrupted in heart disease. Suggestions regarding targets for future studies are also presented.
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