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Updated: May 7, 2025
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Author Spotlight: Improving Reproducibility in Vascular Organoids Using ROCK Inhibitors and Microwell Confinement
Published on: December 13, 2024
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Vascular Organoid Generation from Human-Induced Pluripotent Stem Cells
Cong Xu1, Siyu He1, Yuefei Zhu1
1Department of Biomedical Engineering, Columbia University.
Journal of Visualized Experiments : Jove
|January 6, 2025
Summary
Researchers developed a new protocol for generating high-quality vascular organoids from human stem cells. This improved method enhances organoid homogeneity and reproducibility for better disease modeling and drug screening.
Area of Science:
- Stem cell biology
- Vascular biology
- Biotechnology
Background:
- Vascular organoids derived from human induced pluripotent stem cells (hiPSCs) offer a 3D model for studying vascular networks.
- These models have potential for vascular pathology and drug screening, but reproducibility remains a challenge.
Purpose of the Study:
- To present a modified protocol for generating vascular organoids with improved homogeneity and reproducibility.
- To enhance the quality and scalability of vascular organoid production for downstream applications.
Main Methods:
- Utilized microwells and the CEPT cocktail (chroman 1, emricasan, polyamines, trans-ISRIB) to improve embryoid body formation and cell survival.
- Characterized differentiated, mature vascular organoids using whole-mount 3D immunofluorescence microscopy.
Main Results:
- The modified protocol significantly improved the homogeneity and reproducibility of vascular organoid generation.
- The generated organoids exhibited complex vasculature and consistent quality.
Conclusions:
- This scalable protocol enables the production of high-quality vascular organoids.
- The improved vascular organoid model facilitates applications in disease modeling and in vitro drug screening.
