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Droplet printable microfluidic arrays for high-throughput screening of 3D cell culture

Project description

Drug screening with high-throughput 3D cell cultures

For decades, drug discovery has relied on 2D cell cultures and animal testing, but these methods often fail to replicate the complexity of human biology. While 3D cell culture systems promise more realistic models, existing approaches face trade-offs: high-throughput systems lack perfusion, while perfused systems are not scalable. This gap hampers drug screening for neurodevelopmental disorders. Supported by the Marie Skłodowska-Curie Actions programme, the DropMicS project will create a groundbreaking 3D cell culture device that integrates microfluidics and droplet printing technologies. By leveraging innovative chamber designs, DropMicS will enable high-throughput drug screening under perfusion conditions, helping researchers develop treatments for neurodevelopmental disorders, such as microglia inflammation, which affects millions of preterm infants worldwide.

Objective

This project will develop high-throughput 3D cell culture devices with perfusion by interfacing microfluidics and droplet printing technologies and subsequently applying them to model neuro-development disorders. For decades, 2D cell culture followed by animal testing has been the standard for therapeutic drug discovery. 3D systems have the potential to recreate more faithful physiological conditions (cell interactions, gradients, perfusion, flow). Thus, they are expected to be more predictive for efficacy and toxicity than 2D systems and minimize the use of animals. However, there is currently no 3D model which enables high-throughput (HT) and perfusion at once: spheroids and organoids in plates can be HT but without perfusion, pressure-driven microfluidics has perfusion but is not HT, droplet microfluidics is HT but cannot handle large drug libraries and has no perfusion. Here, we will leverage the physics of wetting and capillarity to design chamber arrays with liquid-trapping geometries, which can be entirely operated by external droplet injection. We will set up designs and protocols for the embedding of cells in 3D hydrogel matrices and submit them to perfusion of medium and drug, including uniform or gradient conditions in each chamber. We will demonstrate the HT interfacing with droplet printers. Finally, we will apply the device to screen compounds and monitor the modulation of microglia (the immune cell of the brain) inflammation that affects the lives of >2 million preterm babies every year.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

(opens in new window) HORIZON-MSCA-2023-PF-01

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Coordinator

ECOLE SUPERIEURE DE PHYSIQUE ET DECHIMIE INDUSTRIELLES DE LA VILLE DEPARIS
Net EU contribution
€ 195 914,88
Address
RUE VAUQUELIN 10
75231 Paris
France
Region
Ile-de-France Ile-de-France Paris
Activity type
Higher or Secondary Education Establishments
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Total cost
No data

Partners (2)