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Related Experiment Video

Updated: Sep 27, 2025

Perfusable Vascular Network with a Tissue Model in a Microfluidic Device
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Perfusable micro-vascularized 3D tissue array for high-throughput vascular phenotypic screening.

James Yu1,2, Somin Lee1, Jiyoung Song3

  • 1Interdisciplinary Program in Bioengineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea.

Nano Convergence
|April 8, 2022
PubMed
Summary
This summary is machine-generated.

A novel injection-molded microfluidic platform, MV-IMPACT, efficiently creates vascularized micro-tissues for drug screening. This high-throughput system uses capillary flow for reliable 3D co-culture models.

Keywords:
AngiogenesisMicrofluidicsOrgan-on-a-chipSequential edge guided patterningVascularized micro tissue

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Area of Science:

  • Biomaterials Science
  • Tissue Engineering
  • Microfluidics

Background:

  • Organ-on-a-chip technologies offer biomimetic models for disease and drug testing.
  • Previous microfluidic platforms faced limitations in throughput and reliability for 3D co-culture.

Purpose of the Study:

  • To develop a novel, high-throughput microfluidic platform for generating vascularized micro-tissues.
  • To demonstrate the platform's utility in drug screening applications.

Main Methods:

  • Utilized injection molding to fabricate the MicroVascular Injection-Molded Plastic Array 3D Culture (MV-IMPACT) platform.
  • Employed sequential edge-guided patterning with spontaneous capillary flow for 3D co-culture.
  • Co-cultured human umbilical endothelial cells and fibroblasts to form vasculogenic networks.

Main Results:

  • Successfully generated an array of 28 perfusable vascularized micro-tissues per slide.
  • Quantified high-throughput generation and characterized uniformity of angiogenic sprouts.
  • Demonstrated compatibility with high-content imaging and phenotypic screening using DAPT.

Conclusions:

  • The MV-IMPACT platform offers a reliable, robust, and high-throughput method for creating vascular micro-tissues.
  • This technology significantly improves upon previous PDMS-based devices for 3D co-culture.
  • The platform shows great potential for advancing drug screening and development.