Related Experiment Video
Updated: Dec 13, 2025
10:53
Image-guided, Laser-based Fabrication of Vascular-derived Microfluidic Networks
Published on: January 3, 2017
10.2K
Fabrication of Blood Capillary Models for Live Imaging Microarray Analysis.
Muhammad Asri Abdul Sisak1, Fiona Louis2, Sun Hyeok Lee3,4
1Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan.
Micromachines
|July 31, 2020
Summary
This study developed a novel three-dimensional (3D) blood capillary model using collagen microfibers for more accurate tissue screening. This advanced assay effectively identifies targeted drugs and imaging probes for blood vessels.
Area of Science:
- Biomedical Engineering
- Tissue Engineering
- Cell Biology
Background:
- Conventional two-dimensional (2D) cell assays lack the in vivo complexity of three-dimensional (3D) tissues.
- There is a need for advanced screening methods that better mimic physiological tissue environments.
Purpose of the Study:
- To develop and validate a novel 3D blood capillary model for medium-throughput screening.
- To utilize physiological collagen microfibers (CMF) as an extracellular matrix for constructing complex tissue models.
Main Methods:
- Constructed 3D blood capillary models using fibrin gels with CMF, endothelial cells, and fibroblasts in a 48-well plate system.
- Optimized CMF concentration and cell density to promote blood capillary network formation.
- Cultured models for five days to establish functional vascular networks.
Main Results:
- Successfully formed functional blood capillary networks within the 3D fibrin gel matrix.
- Demonstrated the model's capability to support complex tissue structures mimicking in vivo conditions.
- Validated the system's utility for screening chemical probes, drugs, aptamers, and peptides.
Conclusions:
- The developed 3D blood capillary model offers a powerful and physiologically relevant platform for drug discovery and development.
- This medium-throughput system enhances the selection of vascular-targeting agents and imaging probes.
- The model provides a more accurate in vitro screening tool compared to traditional 2D assays.
