Isolation of neural stem cells using gangliosides and other...

C - Chemistry – Metallurgy – 12 – Q

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C12Q 1/24 (2006.01) C12N 5/0797 (2010.01) A61K 31/7088 (2006.01) A61K 39/395 (2006.01) C12Q 1/02 (2006.01) G01N 33/569 (2006.01) G01N 33/574 (2006.01)

Patent

CA 2444706

During the growth and study of NSCs, a range of molecules present on the surface of multipotent neural stem and progenitor cells (NSCs) were identified. These markers were identified using a number of human and murine neural stem cell lines, including retinal stem cells (RSCs). The NSC-specific markers identified included gene products as well as non-protein molecules and sugar epitopes not directly coded in the genome. Together with surface markers which were determined to be absent from the surface of hNSCs, the molecules described herein provide a means to enrich for neural stem cells, or neural progenitor subpopulations, particularly using combinatorial cell sorting strategies. These same molecules also represent targets for pharmacological manipulation of NSC populations and subpopulations, both in vivo and ex vivo. Furthermore, these molecules provide potential targets for therapeutic manipulation of other neural precursor-related cell types including malignant conditions as well as other diseases originating from, or preferentially affecting, various uncommitted or replication-competent cell types.

Au cours du développement et de l'études des NSC, un certain nombre de molécules présentes à la surface de cellules embryonnaires totipotentes et de cellules souches (NSC) ont été identifiées. Ces marqueurs ont été identifiés au moyen d'un certain nombre de lignes de cellules souches neuronales murines et humaines, y compris des cellules souches rétiniennes (RSC). Ces marqueurs spécifiques des NCS identifiés comprenaient des produits géniques ainsi que des molécules non protéiques et des épitopes de sucre qui ne sont pas directement codés dans le génome. Les molécules susmentionnées ainsi que les marqueurs de surface qui se ne se trouvent pas à la surface des hNSC permettent d'enrichir les cellules souches neuronales, ou les sous-populations souches neuronales, notamment grâce à des stratégies de triage des cellules neuronales. Ces mêmes molécules constituent également des cibles pour les manipulations pharmacologiques des populations et des sous-populations de NSC, à la fois in vivo et ex vivo. Par ailleurs, ces molécules fournissent des cibles potentielles pour les manipulations thérapeutiques d'autres types de cellules neuronales liées aux précurseurs y compris les conditions malignes ainsi que d'autres maladies qui sont issues de, ou qui touchent de préférence, plusieurs types de cellules disponibles capables de réplication.

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