Bone-on-a-Chip Pack

Easily mimic the complex bone physiology and extracellular environment

Control complex microenvironments

More relevance and controllability than traditional models

Up to 3-week long cell cultures

Continuous and controlled supply of nutrients in a stable flow

Fail-safe mechanism

Stop losing your cell experiment due to clogging

Plug-and-play platform

Beginner friendly pack with detailed user guide

Figure 1. SEM bone, rotten trabeculae (osteoporosis). Credit: David Gregory & Debbie Marshall. Attribution 4.0 International (CC BY 4.0).

Bone-on-a-chip advantages over traditional models

bone on a chip bone growth

Mimic in vivo complex microenvironment

The bone is one of the most complex organs in the body. It operates in a fine balance between osteocytes and osteoclasts, with the former synthesizing new bone and the latter resorbing it [1]. Therefore, cell-to-cell interaction, either through ligand-receptor binding or ionic gradients, is a major component of bone physiology.

However, reproducing it in traditional cell culture models is challenging because of the large volumes and dimensions of the systems, besides being poorly controlled. Culturing bone cells on a chip address precisely these limitations.

bone-on-a-chip

Bone. Credit: Kevin Mackenzie, University of Aberdeen. Attribution 4.0 International (CC BY 4.0).

Modulate the extracellular matrix

Bone cells are organized around osteons, cylindrical structures parallel to the longitudinal axis of the bone, housing blood vessels and innervations [1].

 

 

They are hard to reproduce in traditional cell cultures but are easily integrated into microfluidic chips, such as the Pillar Chips (Fluidic 261) of ChipShop, increasing the morphological relevance of the model.

References
1. Mansoorifar, A.Gordon, R.Bergan, R. C.Bertassoni, L. E.Bone-on-a-Chip: Microfluidic Technologies and Microphysiologic Models of Bone TissueAdv. Funct. Mater. 202131, 2006796. https://doi.org/10.1002/adfm.202006796

Bone-on-a-chip setup

We have assembled all the components to perform a successful bone cell culture on a chip. The setup displayed below has two main functions: 1) the continuous and stable perfusion and recirculation of media for a highly controlled microenvironment; 2) the fail-safe mechanism to ensure the preservation of the experiment in case of clogging. Also, the bone-on-a-chip Pack can be adjusted according to your application.

Unidirectional flow recirculation-setup check valves, level sensors and cell culture pump
recirculation system 2 with check valves

The bone-on-a-chip pack contains:

Flow sensor (Galileo, MIC)

Level sensors

Software (Galileo user interface)

Flow controller

Valves

Fittings, tubings & luers

Reservoirs

Microfluidic chip for bone cell culture (suggestion: ChipShop’s Fluidic 261)

User guides for instruments

This pack can also be adapted to be used with our automated cell culture platform.

In case of applications requiring fluid injection to test the effects of drugs, for example, a rotary valve can be added to the setup.

Bone-on-a-chip applications

To investigate osteogenesis, Bahmaee et al. designed a microfluidic bone-on-a-chip with pillars made of a functional material, PolyHIPES [1]. The authors cultured human embryonic stem cell-derived mesenchymal progenitor cells (hES-MPs) for 3 weeks and tested different flow rates and profiles to assess metabolic activity, osteogenic differentiation, and mineralized matrix deposition.

 

Their results show the influence of shear stress on gene expression and cellular behavior. For example, an intermittent flow profile promotes cell differentiation and enhances mineralized matrix deposition. The functionalized material of the microfluidic chip was also shown to be appropriate, with cells interacting with the surface and covering its full extent, as shown below.

Bahmaee 2020 bone on chip
Representative fluorescence and confocal microscopy and histological sections of hES-MPs seeded in the bone microfluidic chip in OIM with the intermittent flow profile. Yellow lines demarcate the edge of the pillars. Live CellTrackerTM images on (A) day 1 and (B) day 3 taken through the PDMS chamber. (C–F) Day 14 confocal images of nuclei stained with DAPI (blue) and actin with phalloidin-TRITC (red). Individual color channels and composite shown. The control was not autofluorescent, hence it appears black. Cells are present throughout the channels and pillar walls. (G) Low magnification and (H) high magnification 8 μm histology section stained with H&E stain. Cells can be seen throughout the channels to the height of the pillars, as well as within the interconnected porous network of the polyHIPE bulk material. Reproduced from Bahmaee et al, 2020 [1].

Our placenta model platform can be used as a barrier model to study molecular transport in other applications, such as:

Gut-on-a-chip

Gut-on-a-chip pack

Intestinal cells coculture under flow, mimicking the gut physiology

✓ All microfluidic pieces included, quick and easy assembly

✓ Dynamic culture conditions

✓ Advanced in viro/ex vivo

Gut-on-chip

small intestine villi inflammatory bowel disease

Inflammatory bowel disease model

Automatically collect important markers of IBD in a relevant in vitro model

✓ Uncover cytokine profile changes in time

✓ Mimic pathological conditions of IBD

✓ Tailor sample volume to your analysis

Blood-brain barrier on a chip mouse cappillaries

Blood-brain Barrier on Chip

Plug-and-play instrument pack for long term BBB on a chip study

✓ Relevant microenvironment

✓ Automatized organ-on-chip perfusion

✓ Plug-and-play microfluidic platform

Blood-brain Barrier on Chip

liver-on-chip model mouse tissue

Liver-on-a-chip model

Mimic the liver microenvironment in long term experiments

✓ Improve your reproducibility with physiological culturing conditions

✓ Automated and controlled supply of nutrients in a stable flow

✓ Test different conditions at the same time

Liver-on-chip

lung-cells

Lung-on-a-chip model pack

Perform lung research in a physiologically relevant microenvironment

✓ Culture your lung cells in a physiological air-liquid interface

✓ Continuous and controlled supply of nutrients in a stable flow

✓ Stop losing your cell experiment due to clogging

Lung-on-a-chip

blood-cloth-over-wound

Skin-on-a-chip

Reproduce the dynamic extracellular environment of the skin with ease

✓ Compatible with air-liquid interfaces

✓ Compatible with teer measurements

✓ Compatible with live cell imaging

Skin-on-a-chip

kidney proximal tubule

Kidney-on-a-chip

Physiological microenvironment for a more realistic in vitro kidney model

✓ Physiological flow rates

✓ Use the chip of your preference

✓ Enrich the media with metabolites

Kidney-on-a-chip

We have recently published a review of the different organ-on-a-chip models and current innovations.

References
1. Bahmaee H, Owen R, Boyle L, Perrault CM, Garcia-Granada AA, Reilly GC and Claeyssens F (2020) Design and Evaluation of an Osteogenesis-on-a-Chip Microfluidic Device Incorporating 3D Cell Culture. Front. Bioeng. Biotechnol. 8:557111. doi: 10.3389/fbioe.2020.557111

Customize your pack

Our packs are highly customizable, so you can use the extra flexibility to adapt them to your specific needs. Our microfluidic specialists will advise you on the best instruments and accessories depending on your needs and will accompany you during the setup of the microfluidic platform.

Frequently asked questions

Can I order a pack?

Since Packs are products that are still being developed, we have a few eligibility criteria to maximize their success rate. A discussion with our experts is needed to determine your specific needs to offer you a personalized response.

Yes, we have developed a simple protocol for sterilization and cleaning that is provided along with the user guide.

Yes! Our experts will establish which instruments are best suited for your application, such as the type of flow sensor or the number of flow controller channels you need to perform your experiment. Contact us using the “talk to our experts” green button above.

Our instruments are in beta testing phase and can be tested as a pack or individually, so get in contact with our team to know how our beta testing program works.

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Funding and Support

The LIFESAVER project helped develop this pack. This project is funded by the European Union’s H2020-LC-GD-2020-3, grant agreement No. 101036702 (LIFESAVER).        

Products & Associated Accessories

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