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Immune Cell Responses to Fluid Shear: Overview and Design Considerations for In Vitro Modeling.
Eric L Ginter1, Laurel E Hind1
1Department of Chemical and Biological Engineering, University of Colorado Boulder - 3415 Colorado Ave, Boulder, CO 80303.
Current Opinion in Biomedical Engineering
|July 15, 2026
Summary
Immune cells sense fluid shear stress, impacting their function. This review explores how fluid flow affects immune cells and discusses in vitro models for studying these effects, highlighting key design considerations.
Area of Science:
- Immunology
- Biophysics
- Cell Biology
Background:
- Fluid flow is integral to immune system function.
- Immune cells are sensitive to fluid shear stress, influencing their behavior and activation.
- Understanding flow's role is vital for immunity, disease, and therapy.
Purpose of the Study:
- To review advances in understanding fluid shear stress on immune cells.
- To present an overview of in vitro flow models for immune studies.
- To identify critical design considerations for future flow-based models.
Main Methods:
- Literature review of fluid shear stress effects on immune cells.
- Analysis of current in vitro flow models for immune research.
- Evaluation of key design parameters for flow systems.
Main Results:
- Recent advances highlight Piezo1 as a key mechanosensor for shear stress.
- Various in vitro models incorporating flow have been developed for immune studies.
- Five critical design considerations for flow models are evaluated.
Conclusions:
- Further research is needed on acute vs. chronic shear, cell communication, and molecular mechanisms.
- In vitro flow models are promising for investigating immune responses.
- Optimizing flow model design is crucial for advancing research.
