Drug testing system with bio-artificial liver

C - Chemistry – Metallurgy – 12 – M

Patent

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Details

C12M 3/00 (2006.01) A01N 1/00 (2006.01) C12M 3/04 (2006.01) C12N 5/00 (2006.01) G01N 33/50 (2006.01)

Patent

CA 2549904

A drug testing system (10) using a liver-slice culture apparatus (14). The apparatus has a chamber with plasma and gas valves (17), animal liver slices (15) being positioned securely in the chamber so as to maximize the surface area of liver slices exposed to the culture medium (13). Plasma is supplied to the chamber so that it rises to contact the liver slices, and is alternately removed from contacting the liver slices. Gas is supplied to the top of the chamber. The system also includes a reservoir (12) for containing media entering and exiting the chamber. Methods are provided for assessing the toxicity of a drug or drug candidate.

L'invention concerne un système d'essai de médicaments (10) qui met en oeuvre un appareil de culture de tranches de foie (14). L'appareil comprend une chambre garnie de plasma et munie de soupapes de gaz (17), et des tranches de foie d'animal (15) sont placées de manière sûre dans la chambre de façon à optimiser la surface utile des tranches de foie exposées au milieu de culture (13). Du plasma est introduit dans la chambre de façon à monter pour aller au contact des tranches de foie; ou le plasma est retiré pour l'empêcher de toucher les tranches de foie. Du gaz est introduit dans la partie supérieure de la chambre. Le système comprend également un réservoir (12) pour contenir les milieux injectée dans la chambre ou évacuée de la chambre. On décrit des méthodes d'évaluation de la toxicité d'un médicament ou d'un candidat de médicament.

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