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Related Experiment Video

Updated: Jul 13, 2026

An All-Human Hepatic Culture System for Drug Development Applications
07:23

An All-Human Hepatic Culture System for Drug Development Applications

Published on: October 20, 2023

Microfluidic environment for high density hepatocyte culture.

Mimi Y Zhang1, Philip J Lee, Paul J Hung

  • 1UCSF/UC Berkeley Joint Graduate Group in Bioengineering, Berkeley, CA, USA.

Biomedical Microdevices
|August 9, 2007
PubMed
Summary

This study introduces a novel microfluidic bioreactor for high-density hepatocyte culture. The system supports tissue-like cell arrays, maintaining viability and function for over a week.

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Area of Science:

  • Biomedical Engineering
  • Cell Biology
  • Microfluidics

Background:

  • Hepatocyte culture is crucial for drug testing and disease modeling.
  • Maintaining high-density cell cultures with physiological conditions remains challenging.
  • Existing methods often suffer from nutrient depletion and limited culture duration.

Purpose of the Study:

  • To develop a microfluidic bioreactor for sustained, high-density hepatocyte culture.
  • To mimic liver mass transport and tissue-like micro-architecture.
  • To enable long-term functional assessment of cultured hepatocytes.

Main Methods:

  • Design and fabrication of a microfluidic bioreactor with a microporous barrier.
  • Concentration of hepatocytes within a sieved-pocket during loading.

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The Multi-organ Chip - A Microfluidic Platform for Long-term Multi-tissue Coculture
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The Multi-organ Chip - A Microfluidic Platform for Long-term Multi-tissue Coculture

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Last Updated: Jul 13, 2026

An All-Human Hepatic Culture System for Drug Development Applications
07:23

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Published on: October 20, 2023

"Liver-on-a-Chip" Cultures of Primary Hepatocytes and Kupffer Cells for Hepatitis B Virus Infection
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The Multi-organ Chip - A Microfluidic Platform for Long-term Multi-tissue Coculture

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  • Continuous perfusion of culture medium to prevent nutrient depletion.
  • Culture of human hepatoma cells (HepG2/C3A) for one week.

    • Main Results:

    • Achieved high-density cell culture (>2,000 cells/mm(2)) without nutrient limitation.
    • Sustained hepatocyte viability and function for over 7 days.
    • Demonstrated albumin secretion as a marker of hepatocyte functionality.
    • Successfully mimicked physiological liver mass transport.

    Conclusions:

    • The developed microfluidic bioreactor effectively supports high-density hepatocyte cultures.
    • The system overcomes nutrient limitation challenges in long-term cell culture.
    • This technology holds promise for advanced liver research and applications.