A Better Model for the Blood-Brain Barrier

Current techniques for mimicking the Blood–Brain Barrier (BBB) largely use incubation chambers (Transwell) separated with a filter and matrix coating to represent and to study barrier permeability. These devices have several critical shortcomings:

  1. They do not reproduce critical microenvironmental parameters, primarily anatomical size or hemodynamic shear stress,
  2. They often do not provide real-time visualization capability, and
  3. They require a large amount of consumables.

 

To overcome these limitations, SynVivo have developed a microfluidic model of the Blood–Brain Barrier (SynVivo-BBB). The SynVivo-BBB platform permits the real-time visualization of both apical (cultured with endothelial cells) and basolateral side (cultured with neuronal cells) of the BBB mimicking the physiological shear and cell conditions observed in vivo.A Better Model for the Blood-Brain Barrier

Shown here are astrocytes cultured in the SynVivo-BBB device.

As a demonstration of the BBB assay, rat brain endothelial cells were cultured in SynVivo-BBB under physiological conditions.  Permeation studies and western blot analysis showed formation of tight junction molecules while transporter assays indicate a modulating and functional model of the BBB.

Full details can be found in the Lab-on-Chip journal paper: SyM-BBB: A Microfluidic Blood Brain Barrier Model.


To find out more about this new cell-based  microchip platform check out the manufacture page for SynVivo.

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