SynBBB Blood Brain Barrier Model
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SynBBB Blood Brain Barrier Model

This Organ-on-a-Chip with central chamber and flanked microchannels allows to create 3D tissue models of the brain that accelerate real-time studies of cellular interactions, extravasation and drug delivery. It provides a morphologically and biologically realistic microenvironment that more accurately depicts the in vivo reality.
Chip only, or available in starter and assay kits to start using the system out of the box!
Average lead time: 3-4 weeks
€315.00
This Organ-on-a-Chip with central chamber and flanked microchannels allows to create 3D tissue models of the brain that accelerate real-time studies of cellular interactions, extravasation and drug delivery. It provides a morphologically and biologically realistic microenvironment that more accurately depicts the in vivo reality.
Chip only, or available in starter and assay kits to start using the system out of the box!

SynBBB is a microfluidic device that allows recreating the complexity of the brain in vivo microenvironment by reproducing a histological section of brain tissue cells in communication with endothelial cells across the blood-brain barrier (BBB). Interactions between brain tissue cells and endothelial cells are easily observable in the SynBBB model through biochemical or electrical analysis.

SynBBB is the only in vitro model of the BBB that allows :

  • a precise hemodynamic shear stress in vivo
  • real-time observation of drug transport, cellular and barrier functionality
  • compatibility with standard analytical instruments
  • a robust and easy-to-use protocol

In addition, the IMN2 TEER option available with this model allows you to accurately measure electrical resistance, providing a non-invasive method for real-time monitoring of tight joints. Indeed, the formation of tight junctions between cells (e.g. the blood-brain barrier) can be assessed by measuring changes in electrical resistance in the intercellular space between cells. The SynVivo Cell Impedance Analyzer, used in combination with the SynBBB TEER device, measures electrical impedance (resistance).

To run SynBBB assays, two kits formats are available:

 Starter Kit Assay Kit
  • 10 SynBBB chips (Choice of IMN2 radial, IMN2 linear or IMN2 radial-TEER co-culture chips)
  • Accessories including tubing, clamps, needles, and syringes
  • Pneumatic priming device (required for priming tubing to remove air)
  • Cell impedance analyzer* (required for SynBBB TEER measurements)

*included in the IMN2-TEER starter kit only

  • 10 SynBBB chips (Choice of IMN2 radial, IMN2 linear or IMN2 radial-TEER co-culture chips)
  • Accessories including tubing, clamps, needles, and syringes
  • Pneumatic priming device (required for priming tubing to remove air)

To only order the chip, choose "Chip only" in the kit selection.

Starter Kit Assay Kit Chip only

10x SynBBB chip (choice of IMN2 radial, IMN2 linear or IMN2 radial-TEER co-culture chips)

Accessories including tubing, clamps, needles and syringes

Pneumatic priming device (required for priming tubing to remove air)

Only in IMN2 TEER kit: cell impedance analyzer (required for SynBBB TEER measurements)

10x SynBBB chips (choice of IMN2 radial, IMN2 linear or IMN2 radial-TEER co-culture chips)

Accessories including tubing, clamps, needles, and syringes

3x SynBBB chip (choice of IMN2 radial, IMN2 linear or IMN2 radial-TEER co-culture chips)

 

Schematics of the devices used to develop the BBB Model. Apical chamber (outer channels) are for culture of vascular (endothelial cells) while basolateral chamber (central chamber) are for culture of brain tissue cells (astrocytes, pericytes, or neurons). Porous architecture enables communication between the vascular and tissue cells. Outer Channel Width (OC), Travel Width (T), Slit Spacing (SS), Slit Width (WS).

 

IMN2 radial IMN2 TEER IMN2 linear

Outer channel (OC): 200 µm

Tissue chamber (red): 1.8 mm diameter

Slit spacing (SS): 50 μm

Slit width (WS): 3 µm

Travel (T): 50 μm

Chip depth: 100 μm

Outer channel (OC): 200 µm

Tissue chamber (red): 1.8 mm diameter

Slit spacing (SS): 50 μm

Slit width (WS): 3 µm

Travel (T): 50 μm

Chip depth: 100 μm

w/ impedance capability

Channels width: 200-500-200 µm

Tissue chamber (red): 1.8 mm diameter

Slit spacing (SS): 50 μm

Slit width (WS): 3 µm

Travel: 50 μm

 

Many co-culture protocols have been developed to establish true vascular monolayers in communication with tissue cells. Human cells grown in these chips retain a biological phenotype similar to that found in the real tissues. Leading researchers have validated that cells grown in these chips more accurately reflect the cell behavior found in vivo compared to cells grown using conventional culture techniques. 

The available microfluidic platforms can be used to study cell/particle adhesion and cell-cell or cell-drug interactions and has been extensively validated across neuroscience, oncology, inflammation and toxicology applications.

Unlike well-plate tests performed under static conditions, these chips reproduce the realistic dynamic conditions for the assessment of cell-drug and cell-cell interactions thereby providing an accurate in vitro platform to study and elucidate the mechanisms of success and failure. Compared to in vivo animal studies, they allow real-time visualization and analysis of the assay in a controlled environment.

Under physiological fluid flow conditions it would be possible to study the interactions during:

  • Inflammation (leukocyte-endothelium),
  • Cancer development (tumor-endothelium),
  • Thrombosis (platelet-endothelium),
  • Infection (microbial-endothelium)

3D Cancer models

You can create a microfluidic 3D cell-based assay platform for quantitative assessments in a physiologically realistic tumor microenvironment. The system enables real time visualization and analysis of cell-cell and cell-drug interactions encompassing (a) transport across the vessel walls, and (b) delivery to the tumors. There are many areas of oncology research that can benefit by using these models. These include (1) basic research for understanding of the tumor microenvironment (cell viability, proliferation, invasion and tumor-stromal and tumor-endothelium interactions); and (2) drug screening for efficacy, toxicity and penetration.

Chips with Design 1 allow to study cancer metastasis. This is a multi-step process that starts with the cancer cells leaving the original tumor site and migrating to distant parts of the body via the bloodstream or the lymphatic system. This process involves complex steps, including breaking of the extracellular matrix by the metastatic tumor cells, escape into the circulatory system, adhesion to the vascular wall at remote locations, followed by migration/invasion into tissue and subsequent proliferation.

Chips with Design 2 are suitable for drug screening. Drugs or delivery systems (nanoparticles, polymers, liposomes, etc.) can be injected via the vascular channel or directly in the tumor chamber under both static and physiological fluid flow conditions and their responses can be observed in real-time mimicking the in vivo conditions. 

3D tumor manual

3D cancer model technical manual 

 

Blood-Brain-Barrier model

The BBB 3D model recreates the in vivo microenvironment by mimicking the histology of brain tissue cells in communication with endothelial cells across the BBB. Shear-induced endothelial cell tight junctions, which cannot be achieved in the Transwell® model, are easily achieved in the this model using physiological fluid flow. Interactions between brain tissue cells and endothelial cells are readily visualized in this assay. Transwell models do not allow real-time visualization of these cellular interactions, which are critical for understanding of the BBB microenvironment. 

The Chip with Design 1 - option A (slit barrier) is a highly versatile platform for investigation of:

  • Tight junction proteins: Determine the levels of tight junction proteins namely zonula occludens, claudins and occludins which regulate the BBB.
  • Transporter proteins: Analyze functionality of transporter proteins (e.g. Pgp) in normal and dysfunctional BBB.
  • Drug permeability: Evaluate real-time permeability of therapeutics and small molecules across the endothelium of the BBB.
  • Inflammation: Understand the underlying mechanisms of  inflammatory responses on the regulation of the BBB.
  • Cell migration: Visualize and quantify in real-time migration of immune cells across the BBB.
  • Omic changes: Perform genomic, proteomic and metabolic analysis on normal and dysfunctional BBB.
  • Neurotoxicity: Analyze toxicity effects of chemical, biological and physical agents on the cells of the BBB.
  • Neuro-oncology: Investigate effects of the tumor cells on the BBB.

BBB model manual

3D BBB model technical manual 

 

Toxicology model 

Current in vitro models use 2D monolayers or 3D aggregates of cells under static conditions for studying drug toxicity. These models fail to reproduce in vivo physiological features such as morphological size, physiological blood flow and cellular (biological) make-up of the specific organs being investigated. Other microfluidic models employ a membrane-based top-bottom two-compartment architecture, inherently limiting key desired features such as real-time visualization and the ability to simultaneous analyze multi-cellular cultures. 

The chip with Design 1 and 2 - option A (slit barrier) is the only commercially available 3D toxicology model with real-time optical monitoring and multi-compartment, multi-cellular architecture and low reagent requirements. Other benefits of this platform are:

  • Physiologically realistic morphological, fluidic and 3D cellular conditions
  • Universal platform with architecture specific of desired organ
  • Significant reduction in cost and time
  • Robust and easy to use protocols
  • Compatible with standard analytical instruments for both on chip and off chip assays including omic methodologies for systems biology and bioinformatic analysis

 

Tox model manuel

Toxicology model technical manual 

 

Inflammation model (Rolling, Adhesion, and Migration Assay)

The model has been developed to study the entire inflammation pathway in a realistic and dynamic environment. By creating a cell co-culture and a lumen of endothelial cells, the platform mimics a physiologically realistic model that includes flow and shear. The chip enables real-time tracking of rolling, adhesion and migration processes.

With the Design 1 or 2 - option B (pillar barrier) you can create the inflammation model that provides a realistic testing environment including:

  • Physiological shear stress within a microvascular environment
  • In vivo like vascular morphology with fully enclosed lumen
  • Co-culture capability for cell-cell interactions
  • Quantitative real-time rolling, adhesion, and migration data from a single experiment

 

Inflammation model manual

Inflammation model technical manual 

📄SynBBB technical manual

📄SynBBB TEER technical manual

📄SynBBB starter kit brochure

📄SynBBB assay kit brochure

📄Synvivo brochure

Huang, J., Li, Y. B., Charlebois, C., Nguyen, T., Liu, Z., Bloemberg, D., ... & Jezierski, A. (2022). Application of blood brain barrier models in pre-clinical assessment of glioblastoma-targeting CAR-T based immunotherapies. Fluids and Barriers of the CNS19(1), 1-15. https://doi.org/10.1186/s12987-022-00342-y

Brown, T. D., Nowak, M., Bayles, A. V., Prabhakarpandian, B., Karande, P., Lahann, J., ... & Mitragotri, S. (2019). A microfluidic model of human brain (μHuB) for assessment of blood brain barrier. Bioengineering & translational medicine4(2), e10126. https://doi.org/10.1002/btm2.10126

Tang, Y., Soroush, F., Sun, S., Liverani, E., Langston, J. C., Yang, Q., ... & Kiani, M. F. (2018). Protein kinase C-delta inhibition protects blood-brain barrier from sepsis-induced vascular damage. Journal of neuroinflammation15(1), 1-12. https://doi.org/10.1186/s12974-018-1342-y

Terrell-Hall, T. B., Nounou, M. I., El-Amrawy, F., Griffith, J. I., & Lockman, P. R. (2017). Trastuzumab distribution in an in-vivo and in-vitro model of brain metastases of breast cancer. Oncotarget8(48), 83734. https://doi.org/10.18632/oncotarget.19634

Terrell-Hall, T. B., Ammer, A. G., Griffith, J. I., & Lockman, P. R. (2017). Permeability across a novel microfluidic blood-tumor barrier model. Fluids and Barriers of the CNS14(1), 1-10. https://doi.org/10.1186/s12987-017-0050-9

Deosarkar, S. P., Prabhakarpandian, B., Wang, B., Sheffield, J. B., Krynska, B., & Kiani, M. F. (2015). A novel dynamic neonatal blood-brain barrier on a chip. PloS one10(11), e0142725. https://doi.org/10.1371/journal.pone.0142725

Prabhakarpandian, B., Shen, M. C., Nichols, J. B., Mills, I. R., Sidoryk-Wegrzynowicz, M., Aschner, M., & Pant, K. (2013). SyM-BBB: a microfluidic blood brain barrier model. Lab on a Chip13(6), 1093-1101. https://doi.org/10.1039/C2LC41208J

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