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Self-Assembled Heterotypic Cardiac Spheroids from Human Pluripotent Stem Cells
Oriane B Matthys1,2, Todd C McDevitt3,4
1UC Berkeley-UC San Francisco Graduate Program in Bioengineering, San Francisco, CA, USA.
Methods in Molecular Biology (Clifton, N.J.)
|May 26, 2022
Summary
Researchers developed self-assembling cardiac microtissues using multiple cell types. This 3D model, free of scaffolding, mimics early development to study cell interactions in engineered heart tissue.
Area of Science:
- Biomedical Engineering
- Cardiovascular Research
- Tissue Engineering
Background:
- Engineered cardiac tissues aim to mimic native myocardium structure and function.
- Current models often rely on exogenous scaffolds or extracellular matrix (ECM).
Purpose of the Study:
- To describe the generation of self-assembled cardiac microtissue spheroids using heterotypic cardiac cell types.
- To establish a 3D platform for studying multicellular interactions in the absence of scaffolding.
Main Methods:
- Generating cardiac microtissue spheroids through self-assembly of multiple cardiac cell types.
- Utilizing intercellular adhesion as the primary mechanism for tissue formation, mimicking early developmental processes.
Main Results:
- Successfully created 3D cardiac microtissue spheroids composed of heterotypic cardiac cells.
- Demonstrated that microtissue assembly is driven by cell-cell adhesion in the absence of exogenous ECM or scaffolds.
Conclusions:
- This scaffold-free approach provides a novel 3D platform for studying cardiac tissue development.
- The microtissue model allows investigation of how multicellular heterotypic interactions influence engineered heart tissue structure, function, and phenotype.
