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  3. Multiscale 3d Microfluidic Platform For Intraorganoid Delivery.
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  3. Multiscale 3d Microfluidic Platform For Intraorganoid Delivery.

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Multiscale 3D microfluidic platform for intraorganoid delivery.

Colin Franz1,2,3, Maria Quezada1,4,5,6, Jamin Lee7

  • 1Regenerative Neurorehabilitation Laboratory, Shirley Ryan Ability Lab, Chicago, IL 60611, USA.

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View abstract on PubMed

Summary
This summary is machine-generated.

Researchers developed a 3D microfluidic platform to deliver biomolecules deep within neural organoids. This technology improves control over the organoid microenvironment, enhancing tissue integrity and enabling advanced developmental studies.

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Area of Science:

  • Neuroscience
  • Bioengineering
  • Developmental Biology

Background:

  • Neural organoids are valuable 3D models for studying human development and disease.
  • Current neural organoids lack efficient internal transport systems, limiting nutrient and oxygen diffusion to deep tissues.
  • Microfluidic systems offer potential for precise delivery but integrating them into organoids without disrupting growth is difficult.

Purpose of the Study:

  • To develop a multiscale 3D microfluidic platform for controlled intra-organoid delivery.
  • To overcome limitations in perfusing deep regions of neural organoids.
  • To enable site-specific interrogation of organoid microenvironments.

Main Methods:

  • Embedding lithographically defined, thread-like microchannels into growing neural organoids.
  • Utilizing a nanoporous interface for controlled diffusive transport.
  • Demonstrating delivery of dyes, morphogens, and MRI contrast agents with high spatial and temporal precision.

    • Main Results:

    • Achieved controlled diffusive transport of biomolecules with ~100 um spatial resolution and ~400 um depth.
    • Demonstrated minute-scale temporal precision for delivery.
    • Observed reduced apoptosis and improved neural tissue integrity with growth factor delivery.

    Conclusions:

    • The developed platform enables precise, site-specific delivery within neural organoids.
    • This technology enhances organoid viability and structural organization.
    • It provides a robust tool for advancing research on organoid microenvironments, maturation, and disease modeling.