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Related Experiment Video

Updated: Jul 13, 2026

Designing Microfluidic Devices for Studying Cellular Responses Under Single or Coexisting Chemical/Electrical/Shear Stress Stimuli
10:35

Designing Microfluidic Devices for Studying Cellular Responses Under Single or Coexisting Chemical/Electrical/Shear Stress Stimuli

Published on: August 13, 2016

Parallel microfluidic networks for studying cellular response to chemical modulation.

Dayu Liu1, Lihui Wang, Runtao Zhong

  • 1Department of Biomedical Engineer Center, Improve Medical Instrument's Co., Ltd., 510370 Guangzhou, PR China. ruark@126.com

Journal of Biotechnology
|August 21, 2007
PubMed
Summary

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This study developed an integrated microfluidic chip to investigate reduced glutathione (GSH) levels and chemotherapy sensitivity in breast cancer cells. Lowering GSH enhances drug sensitivity, suggesting GSH depletion as a strategy to improve cancer treatment.

Area of Science:

  • Biomedical Engineering
  • Cancer Research
  • Pharmacology

Background:

  • Reduced glutathione (GSH) plays a role in cellular defense and drug resistance.
  • Understanding GSH's impact on chemotherapy sensitivity is crucial for effective cancer treatment.

Purpose of the Study:

  • To design and fabricate an integrated microfluidic chip for generating drug concentration gradients.
  • To investigate the role of intracellular GSH levels in modulating chemotherapy sensitivity in MCF-7 breast cancer cells.

Main Methods:

  • Fabrication of a microfluidic chip with gradient generators and cell chambers.
  • Treatment of MCF-7 and MCF-7(adm) cells with arsenic trioxide (ATO) and N-acetyl cysteine (NAC) to modulate GSH levels.
  • Assessment of intracellular GSH levels and cell viability using fluorescence imaging.

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A Microfluidic Chip for the Versatile Chemical Analysis of Single Cells
15:41

A Microfluidic Chip for the Versatile Chemical Analysis of Single Cells

Published on: October 15, 2013

Millifluidics for Chemical Synthesis and Time-resolved Mechanistic Studies
12:55

Millifluidics for Chemical Synthesis and Time-resolved Mechanistic Studies

Published on: November 27, 2013

Related Experiment Videos

Last Updated: Jul 13, 2026

Designing Microfluidic Devices for Studying Cellular Responses Under Single or Coexisting Chemical/Electrical/Shear Stress Stimuli
10:35

Designing Microfluidic Devices for Studying Cellular Responses Under Single or Coexisting Chemical/Electrical/Shear Stress Stimuli

Published on: August 13, 2016

A Microfluidic Chip for the Versatile Chemical Analysis of Single Cells
15:41

A Microfluidic Chip for the Versatile Chemical Analysis of Single Cells

Published on: October 15, 2013

Millifluidics for Chemical Synthesis and Time-resolved Mechanistic Studies
12:55

Millifluidics for Chemical Synthesis and Time-resolved Mechanistic Studies

Published on: November 27, 2013

Main Results:

  • Arsenic trioxide (ATO) down-regulated GSH levels, increasing chemotherapy sensitivity.
  • N-acetyl cysteine (NAC) up-regulated GSH levels, leading to increased drug resistance.
  • High intracellular GSH levels negatively impact chemotherapy sensitivity, while depletion enhances it.

Conclusions:

  • Depleting cellular GSH is a potential strategy to improve chemotherapy sensitivity.
  • The integrated microfluidic chip enables efficient multiparametric pharmacological profiling.
  • This technology holds promise for high-content drug screening in cancer research.