Cardiovascular microphysiological systems (CVMPS) for safety studies - a pharma perspective
Amy Pointon1, Jonathan Maher2, Myrtle Davis3
1Functional Mechanistic Safety, Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, Cambridge, UK.
Lab on a Chip
|January 20, 2021
Summary
Developing advanced cardiovascular microphysiological systems (CVMPS) integrates heart and vascular components for improved drug safety assessment. These complex models aim for more accurate predictions than current simplistic in vitro methods.
Area of Science:
- Biomedical Engineering
- Cardiovascular Research
- Pharmacology
Background:
- Cardiovascular system (CV) integrity is vital for systemic health.
- Current in vitro models of heart and vasculature are simplistic and immature.
- Existing models have limitations in predicting complex CV responses.
Purpose of the Study:
- To develop more complex in vitro models of the cardiovascular system.
- To integrate cardiac and vascular components into a functional microphysiological system (CVMPS).
- To enhance risk assessment and mechanistic evaluation in pharmacological safety studies.
Main Methods:
- Utilizing induced pluripotent stem-cell derived cardiomyocytes for cardiac components.
- Employing endothelial and smooth muscle cells for vascular components.
- Physically linking cardiac and vascular tissues to create integrated CVMPS.
Main Results:
- Ongoing efforts focus on creating more mature and structurally complex CVMPS.
- Initial successes involve simple bioengineered tissues coupled with fluidic systems.
- Challenges include cell complexity, vascular realism, and component coupling.
Conclusions:
- Integrated CVMPS offer a more holistic model for cardiovascular response.
- Future adoption by pharmaceutical industry depends on efficiency and reproducibility.
- Advanced CVMPS hold potential for improved drug safety and mechanistic understanding.
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