Three-dimensional cellular array chip and platform for...

C - Chemistry – Metallurgy – 12 – M

Patent

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C12M 3/00 (2006.01) H01L 51/00 (2006.01)

Patent

CA 2628219

The present invention is directed to a screening platform employing a miniaturized three-dimensional cell chip for high-throughput toxicology screening of test and lead compounds, prodrugs, drugs and P-450 generated drug metabolites. To this end, the three-dimensional cell chip, employs human cells encapsulated in a matrix (e.g., collagen or alginate gels) in volumes as small as 10 nL arrayed on a functionalized substrates (e.g., glass microscope slides) for spatially addressable screening against multiple test compounds. With the present platform, over 3,000 cell-matrix islands may be spotted providing for simultaneous screening against multiple compounds at multiple doses and in high replicate.

L'invention concerne une plate-forme de criblage mettant en oeuvre une puce à cellules tridimensionnelle miniaturisée destinée à un criblage de toxicologie à débit élevé de composés test et candidat, promédicaments, médicaments et métabolites médicamenteux produits par P450. La puce à cellules tridimensionnelle met en oeuvre, par conséquent, des cellules humaines encapsulées dans une matrice (par exemple, du collagène ou des gels d'alginate) dans des volumes de 10 nL disposés en réseau sur des substrats fonctionnalisés (par exemple, des lames de microscope en verre), de manière à cribler de façon adressable dans l'espace plusieurs composés test. La plate-forme selon l'invention permet de disposer plus de 3,000 îlots de cellules-matrices, mettant ainsi en place un criblage simultané de plusieurs composés dans plusieurs doses et pour un nombre de répliques élevé.

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