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Related Experiment Videos

Integrated Microfluidic Platform with Multiple Functions To Probe Tumor-Endothelial Cell Interaction.

Ling Lin1,2, Xuexia Lin3,4, Luyao Lin3

  • 1CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology , Beijing 100190, People's Republic of China.

Analytical Chemistry
|August 19, 2017
PubMed
Summary

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This summary is machine-generated.

Tumor and endothelial cell interactions increase drug resistance in cancer therapy. An integrated microfluidic device simplifies studying these interactions and aids in drug screening within engineered tumor microenvironments.

Area of Science:

  • Oncology
  • Biomedical Engineering
  • Cell Biology

Background:

  • Tumor-endothelial cell interactions significantly influence tumor progression and drug resistance.
  • Investigating these interactions traditionally involves complex, time-consuming methods like cell coculture and metabolite analysis.
  • Developing efficient platforms is crucial for advancing cancer therapy research.

Purpose of the Study:

  • To develop an integrated microfluidic device for probing tumor-endothelial cell interactions.
  • To analyze the impact of these interactions on drug resistance and cellular responses.
  • To establish a streamlined platform for drug screening in a simulated tumor microenvironment.

Main Methods:

  • An integrated microfluidic device comprising cell coculture, protein detection, and drug metabolite analysis components was designed.

Related Experiment Videos

  • Cervical carcinoma cells (CaSki) and human umbilical vein endothelial cells (HUVECs) were cocultured and compared to single-cultured cells.
  • Cell viability, angiogenic protein expression, and paclitaxel metabolite levels were quantified.

    • Main Results:

    • Cocultured CaSki and HUVECs exhibited enhanced resistance to chemotherapeutic agents compared to single-cultured cells.
    • Increased cell viability and elevated expression of angiogenic proteins were observed under coculture conditions.
    • Higher levels of paclitaxel metabolites were detected in cocultured cells, indicating altered drug metabolism.

    Conclusions:

    • The integrated microfluidic platform effectively facilitates the study of tumor-endothelial cell interactions.
    • Coculture conditions promote tumor cell resistance to chemotherapy, highlighting the importance of the tumor microenvironment.
    • This platform shows promise as a tool for efficient drug screening in engineered tumor models.