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Author Spotlight: EasyFlow - An Economical and Adaptable Perfusion Bioreactor for Large Blood Vessel Culture
Published on: July 28, 2023
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A new perfusion culture method with a self-organized capillary network.
Kei Sugihara1, Yoshimi Yamaguchi1, Shiori Usui1
1Department of Anatomy and Cell Biology, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan.
Plos One
|October 28, 2020
Summary
Researchers developed a novel in vitro method for perfusable capillary networks, enabling long-term cultivation of vascular structures and facilitating the study of flow-induced biological processes.
Area of Science:
- Biomedical Engineering
- Cell Biology
- Vascular Biology
Background:
- Perfusion is a major challenge in 3D organoid and embryonic tissue culture.
- Lack of functional vasculature limits the development and study of complex tissue models.
Purpose of the Study:
- To develop a simple and reliable method for creating perfusable capillary networks in vitro.
- To enable long-term cultivation of vascular structures for biological research.
Main Methods:
- Utilized endothelial cell self-organization to form capillary networks.
- Implemented a static pressure difference for culture medium circulation.
- Integrated the system into standard biological laboratory settings.
Main Results:
- Successfully perfused self-organized capillary networks, observing flow-induced vascular remodeling, cell shape changes, and migration.
- Demonstrated increased cell proliferation around vasculature due to functional perfusion.
- Reconstructed extravasation of tumor and inflammatory cells, and circulation within spheroids.
Conclusions:
- The developed system provides a promising tool for investigating mechanisms of vascular flow-related biological processes.
- This method supports long-term cultivation and functional study of engineered vascular networks.
- Enables advanced research in tissue engineering, developmental biology, and disease modeling.

