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Related Experiment Video

Updated: Mar 6, 2026

Generation of Human Motor Units with Functional Neuromuscular Junctions in Microfluidic Devices
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Directing the spatial patterning of motor neuron differentiation in engineered microenvironments.

Christopher J Demers, Greg Cox, Scott D Collins

    Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
    |March 9, 2017
    PubMed
    Summary

    Scientists created a microfluidic device to mimic spinal cord development. This system precisely patterns embryonic stem cells into motor neurons, recreating in vitro neural tube formation.

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    Related Experiment Videos

    Last Updated: Mar 6, 2026

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    Stencil Micropatterning of Human Pluripotent Stem Cells for Probing Spatial Organization of Differentiation Fates
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    Area of Science:

    • Developmental Biology
    • Bioengineering
    • Stem Cell Biology

    Background:

    • Embryonic spinal cord development relies on precise chemical signaling for cell patterning.
    • Replicating this complex developmental microenvironment in vitro is challenging.
    • Standard cell cultures lack the necessary spatial and temporal control of morphogen gradients.

    Purpose of the Study:

    • To develop a microfluidic device that recapitulates in vitro the graded patterning events of early spinal cord development.
    • To simulate and control spatiotemporal morphogen profiles for directed stem cell differentiation.
    • To mimic the embryonic neural tube's dorsoventral and anteroposterior patterning.

    Main Methods:

    • Utilized COMSOL modeling to design a microfluidic device.
    • Implemented four independently controlled source/sink modules to generate orthogonal morphogen gradients.
    • Cultured mouse embryonic stem cells within the device to induce differentiation.

    Main Results:

    • Successfully generated overlapping orthogonal gradients of diffusible morphogens.
    • Achieved spatially organized differentiation of mouse embryonic stem cells into motor neurons.
    • Demonstrated recapitulation of neural tube patterning events in vitro.

    Conclusions:

    • Microfluidic devices can effectively recreate the complex signaling environment of embryonic spinal cord development.
    • This technology enables precise control over stem cell differentiation for neural tissue engineering.
    • The system provides a novel platform for studying developmental patterning and generating specific neuronal subtypes.