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Image-guided, Laser-based Fabrication of Vascular-derived Microfluidic Networks
Published on: January 3, 2017
Engineering a 3D vascular network in hydrogel for mimicking a nephron
Xuan Mu1, Wenfu Zheng, Le Xiao
1CAS Key Lab for Biological Effects of Nanomaterials and Nanosafety, National Center for NanoScience and Technology, 11 Beiyitiao, ZhongGuanCun, Beijing 100190, PR China.
Lab on a Chip
|March 5, 2013
Summary
Researchers developed a microfluidic method using collagen to create stable, functional 3D vascular networks in hydrogel. This technique mimics natural diffusion processes for tissue engineering and drug screening applications.
Area of Science:
- Biomaterials Science
- Tissue Engineering
- Microfluidics
Background:
- Engineering functional vascular networks in vitro is crucial for tissue engineering but lacks straightforward methods.
- Recapitulating specific vascular structures and functions remains a challenge.
Purpose of the Study:
- To present a novel microfluidic method for engineering three-dimensional vascular networks in hydrogel.
- To demonstrate the stability, biocompatibility, and functional mimicry of engineered vasculature.
Main Methods:
- Utilized collagen fibrillogenesis and a liquid mold within a microfluidic device.
- Engineered 3D vascular networks within a hydrogel matrix.
- Assessed mechanical stability for perfusion and biocompatibility for cell adhesion.
Main Results:
- Successfully engineered well-controlled 3D vascular networks with mechanical stability.
- Demonstrated biocompatibility supporting cell adhesion and coverage.
- Mimicked passive diffusion processes, similar to those in a nephron.
Conclusions:
- The microfluidic collagen method provides a straightforward approach to engineer functional vascular networks.
- This technique holds potential for in vitro modeling of mass transfer in vascularized tissues for regeneration and drug screening.
