Method for obtaining characterised muscle-derived cell...

C - Chemistry – Metallurgy – 12 – N

Patent

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C12N 5/077 (2010.01) A61K 35/34 (2006.01) A61P 9/00 (2006.01) A61P 19/00 (2006.01) A61P 21/00 (2006.01) A61K 35/12 (2006.01)

Patent

CA 2411762

The invention concerns a method for obtaining cell populations derived from the muscular tissue and their use for preparing cell therapy products. It consists in particular in culturing cells previously removed by biopsy from skeletal muscular tissues, identifying the different types of cells present at different stages of culture, selecting the culture stage on the basis of the required cell population and collecting the selected culture stage for preparing a cell therapy product. The invention also concerns cell populations derived from muscular tissue obtained by implementing said method whereof the dominant cell type is CD34+, CD15+ or CD56+ or Class 1+ HLA, or comprises a doubly negative CD56-/CD15- cell type or may comprise more minority CD10+, Stro-1+ and CD117+ cell types.

L'invention a trait à un procédé d'obtention de populations cellulaires issues du tissu musculaire et leur utilisation dans la préparation de produits de thérapie cellulaire. Elle consiste en particulier à mettre en culture des cellules préalablement prélevées par biopsie des tissus musculaires squelettiques, à identifier les différents types cellulaires présents aux différents stades de la culture, à choisir le stade de culture en fonction de la population cellulaire recherchée et à récolter les cellules au stade de culture choisi pour la préparation d'un produit de thérapie cellulaire. Elle porte également sur des populations cellulaires issues du tissu musculaire obtenues par la mise en oeuvre du procédé dont le type cellulaire dominant est CD34+, CD15+ ou CD56+ ou HLA Classe 1+, ou comprend un type cellulaire doublement négatif CD56-/CD15- on peut comprendre des types cellulaires plus minoritaires CD10+, Stro-1+ et CD117+.

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