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Updated: May 17, 2026
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Perfusable Vascular Network with a Tissue Model in a Microfluidic Device
Published on: April 4, 2018
Full range physiological mass transport control in 3D tissue cultures
Yu-Hsiang Hsu1, Monica L Moya, Parinaz Abiri
1Department of Biomedical Engineering, University of California, Irvine, CA 92697, USA.
Lab on a Chip
|October 24, 2012
Summary
This study introduces a microfluidic platform for 3D tissue culture, enabling precise control over mass transport. Researchers discovered that interstitial flow or hypoxia, not intermediate conditions, independently stimulates vasculogenesis.
Area of Science:
- Biomedical Engineering
- Cell Biology
- Physiology
Background:
- 3D tissue culture models are crucial for understanding complex biological processes.
- Controlling mass transport in these models is essential for physiological relevance.
- Previous platforms lacked the ability to replicate the full physiological range of mass transport.
Purpose of the Study:
- To develop and demonstrate a novel microfluidic platform for precise control of mass transport in 3D tissue culture.
- To systematically investigate the impact of varying mass transport conditions on vasculogenesis.
- To establish a versatile tool for physiological and pathological studies in 3D tissues.
Main Methods:
- Utilized long microfluidic channels connected to a central microtissue chamber.
- Engineered different downstream positions to control mass transport distribution.
- Precisely controlled the Péclet number (Pe) over five orders of magnitude (0.0056 to 160).
Main Results:
- Demonstrated independent stimulation of vasculogenesis by interstitial flow (Pe > 10) and hypoxic conditions (Pe < 0.1).
- Showed that intermediate mass transport states do not stimulate vasculogenesis.
- Validated the platform's capability to replicate a wide physiological range of mass transport.
Conclusions:
- The developed microfluidic platform offers unprecedented control over mass transport in 3D tissue models.
- Vasculogenesis is differentially regulated by interstitial flow and hypoxia.
- This platform holds significant potential for advancing cancer research, drug screening, and other 3D tissue studies.
