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Advancing 3D Engineered In Vitro Models for Heart Failure Research: Key Features and Considerations.
Elisa C H van Doorn1,2, Jorik H Amesz1,2, Olivier C Manintveld2
1Translational Cardiothoracic Surgery Research Lab, Department of Cardiothoracic Surgery, Erasmus Medical Center, 3015 GD Rotterdam, The Netherlands.
Bioengineering (Basel, Switzerland)
|January 8, 2025
Summary
Engineered heart tissue models offer new ways to study heart failure. These advanced models mimic human heart conditions, paving the way for discovering novel therapies for this widespread disease.
Area of Science:
- Biomedical Engineering
- Cardiovascular Research
- Regenerative Medicine
Background:
- Heart failure (HF) involves complex myocardial remodeling, impairing cardiac function and posing a significant global health challenge.
- Current treatments for HF do not address the underlying disease mechanisms, highlighting the need for innovative research approaches.
- Existing research models often fail to fully replicate the intricate pathophysiology and diverse phenotypes of HF observed in patients.
Purpose of the Study:
- To review the critical features of advanced three-dimensional engineered in vitro myocardial models for heart failure research.
- To emphasize the importance of accurately replicating the extracellular matrix, cellular composition, and micro-architecture in these models.
- To discuss the integration of physiological stimuli and patient-specific factors for comprehensive HF modeling.
Main Methods:
- Review of current literature on engineered in vitro heart models.
- Analysis of key components required for accurate myocardial mimicry: ECM, cell types, and micro-architecture.
- Discussion of incorporating mechanical, electrical, and biochemical stimuli relevant to cardiac function and dysfunction.
- Consideration of patient-specific factors (age, gender) and inter-organ interactions for personalized disease modeling.
Main Results:
- Engineered in vitro models can replicate myocardial structure and function, offering a platform to study heart failure (HF) pathophysiology.
- Accurate recapitulation of the extracellular matrix, cellular makeup, and micro-architecture is crucial for model efficacy.
- Integration of physiological stimuli (fluid flow, mechanical load) and patient-specific factors enhances the translational relevance of HF models.
Conclusions:
- Advanced 3D engineered myocardial models hold significant potential to revolutionize heart failure research.
- These models can provide deeper insights into HF mechanisms and drug responses, moving beyond current therapeutic limitations.
- Future development should focus on comprehensive platforms that capture HF diversity and facilitate the discovery of effective treatments.
