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Related Experiment Video

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A Live Cell Imaging-Compatible Bioreactor for the Interrogation of Cellular Responses to Modulated Flow Conditions.

Subashree Srinivasan1, Valerie H Huhle1, Claudia C Bippes1

  • 1Department of Biomedicine, University Hospital Basel & University Basel, Basel, Switzerland.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|May 11, 2025
PubMed
Summary

Researchers developed a low-cost 3D cell culture system mimicking tissue environments. This model reveals how meningothelial cells respond to fluid flow changes, advancing cell biology and disease modeling.

Keywords:
3D printingarduinobioprintingin vitro modelperfusion cell culturesubarachnoid space

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Area of Science:

  • Biomedical Engineering
  • Cell Biology
  • Tissue Engineering

Background:

  • Traditional 2D cell cultures lack the complexity of in vivo environments, limiting their predictive accuracy in biomedical research.
  • Mimicking the intricate mechanical and biochemical signals of native tissues is crucial for developing more relevant cell models.

Purpose of the Study:

  • To develop an open-source, affordable system for long-term 3D cell culture with perfusion and live-cell imaging.
  • To create a biomimetic model of the cerebrospinal fluid-filled subarachnoid space.
  • To investigate the mechanosensing responses of meningothelial cells to altered fluid flow.

Main Methods:

  • Integration of bioprinted extracellular matrix scaffolds to replicate tissue microenvironments.
  • Establishment of a perfusion system for controlled long-term 3D cell culture.
  • Utilization of fluorescent biosensors to monitor cellular responses, specifically focal adhesion kinase activation.

Main Results:

  • The developed system successfully models the subarachnoid space environment.
  • Meningothelial cells demonstrated differential activation of focal adhesion kinase in response to modulated fluid flow.
  • The study provides quantitative insights into cellular mechanotransduction.

Conclusions:

  • The novel 3D cell culture system offers a powerful platform for studying cellular responses to mechanical and biochemical cues.
  • This model has significant potential for advancing cell biological research and creating impactful pathophysiological models.
  • The findings highlight the role of focal adhesion kinase in mediating cellular responses to fluid dynamics in the subarachnoid space.