Extended primary retinal cell culture and stress models, and...

C - Chemistry – Metallurgy – 12 – N

Patent

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C12N 5/02 (2006.01) G01N 33/50 (2006.01) C12N 5/06 (2006.01) C12N 5/08 (2006.01)

Patent

CA 2534123

A cell culture system related to extended in vitro culture of mature retinal cells and methods for preparing the cell culture system are provided. Also provided is a retinal cell culture stress model related to extended in vitro culture of mature retinal cells in the presence of a stressor and methods for using the cell culture stress model. The invention provides a cell culture system comprising a long-term culture of mature retinal cells, without requiring addition of other types of non-retinal cells such as purified glia, or cells isolated from ciliary bodies within the eye, and the addition of a stressor such as light, A2E, cigarette smoke condensate, glutamate, or hydrostatic pressure. Methods for identifying bioactive agents that alter viability, neurodegeneration, or survival of retinal cells using the retinal cell culture stress system are also provided.

L'invention concerne un système de culture cellulaire lié à la culture in vitro étendue de cellules rétiniennes mûres ainsi que des procédés de préparation de ce système de culture cellulaire. L'invention concerne également un modèle de stress de culture de cellules rétiniennes lié à la culture in vitro étendue de cellules rétiniennes mûres en présence d'un facteur de stress ainsi que des procédés d'utilisation de ce modèle de stress de culture cellulaire. L'invention concerne plus spécifiquement un système de culture cellulaire comprenant une culture à long terme de cellules rétiniennes mûres, sans nécessiter l'addition d'autres types de cellules non rétiniennes telles que des cellules gliales purifiées ou des cellules isolées à partir de corps cilliaires dans l'oeil, et l'addition d'un agent de stress tel que de la lumière, A2E, un condensat de fumée de cigarette, du glutamate ou de la pression hydrostatique. L'invention concerne également des procédés d'identification d'agents bioactifs qui modifient la viabilité, la neurodégénération, ou la survivance de cellules rétiniennes au moyen de ce système de stress de culture de cellules rétiniennes.

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