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Related Experiment Video

Updated: Jan 20, 2026

Computational Fluid Dynamics Simulations of Blood Flow in a Cerebral Aneurysm
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Computational fluid dynamics modeling, a novel, and effective approach for developing scalable cell therapy

Mehdi Shafa1, Krishna M Panchalingam1, Tylor Walsh1

  • 1Cell Therapy Process Development, Lonza Walkersville, Inc., Walkersville, Maryland.

Biotechnology and Bioengineering
|September 5, 2019
PubMed
Summary

Developing scalable cell therapies requires advanced manufacturing. This study introduces computational fluid dynamics modeling to efficiently scale up induced pluripotent stem cell (iPSC) production in 3D bioreactors, ensuring quality and comparability.

Keywords:
cGMPcardiomyocytescomputational fluid dynamicsinduced pluripotent stem cells

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Area of Science:

  • Biotechnology
  • Regenerative Medicine
  • Chemical Engineering

Background:

  • Induced pluripotent stem cells (iPSCs) offer potential for cell therapies but current manufacturing methods are not scalable.
  • Existing scale-up approaches for cell therapies are empirical and do not accurately model 3D bioreactor hydrodynamics.
  • This leads to increased costs and development time for clinical and commercial cell therapy production.

Purpose of the Study:

  • To develop a scalable manufacturing process for high-quality iPSC derivatives.
  • To implement computational fluid dynamics (CFD) modeling for effective scale-up in 3D bioreactors.
  • To demonstrate comparability between small-scale and scaled-up cell differentiation processes.

Main Methods:

  • Utilized computational fluid dynamics (CFD) modeling to predict and optimize scale-up parameters.
  • Employed a Good Manufacturing Practice (GMP)-compatible iPSC line for process translation.
  • Scaled up a cardiomyocyte differentiation protocol from a small-scale system to a 3-L computer-controlled bioreactor.

Main Results:

  • Successfully translated and scaled up an iPSC-based cardiomyocyte differentiation process.
  • CFD modeling provided an effective strategy for scaling up cell therapy manufacturing.
  • The scaled-up process in the 3-L bioreactor demonstrated comparability to the small-scale system.

Conclusions:

  • CFD modeling offers a novel, efficient approach to scale up cell therapy manufacturing in 3D bioreactors.
  • This method overcomes limitations of traditional empirical scale-up, reducing cost and time.
  • The demonstrated successful scale-up supports the clinical and commercial viability of iPSC-derived therapies.