Oligodendrocytes derived from human embryonic stem cells for...

C - Chemistry – Metallurgy – 12 – N

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C12N 5/00 (2006.01) C12N 5/071 (2010.01) A61K 35/12 (2006.01) A61P 25/00 (2006.01) C12M 3/00 (2006.01) C12Q 1/02 (2006.01) G01N 33/50 (2006.01)

Patent

CA 2489203

This invention provides populations of neural cells bearing markers of glial cells, such as oligodendrocytes and their precursors. The populations are generated by differentiating pluripotent stem cells such as human embryonic stem cells under conditions that promote enrichment of cells with the desired phenotype or functional capability. Various combinations of differentiation factors and mitogens can be used to produce cell populations bearing markers of oligodendrocyte precursor cells. Upon further differentiation form complex processes characteristic of mature oligodendrocytes. The cells are capable of forming myelin sheaths, and can be used therapeutically improve function of the central nervous system.

L'invention concerne des populations de cellules neuronales portant des marqueurs de cellules gliales, p. ex. oligodendrocytes et leurs précurseurs. Les populations sont produites par la différenciation de cellules souches myéloïdes telles que des cellules souches embryonnaires humaines, dans des conditions qui favorisent l'enrichissement des cellules par un phénotype ou une capacité fonctionnelle voulus. Diverses combinaisons de facteurs de différenciation et de mitogènes peuvent être utilisées pour produire des populations de cellules portant des marqueurs de cellules précurseurs d'oligodendrocytes. Une différenciation ultérieure produit des processus complexes caractéristiques d'oligodendrocytes à maturité. Les cellules peuvent former des gaines de myéline et peuvent être utilisées à des fins thérapeutiques pour améliorer la fonction du système nerveux central.

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