Gene delivery vectors with cell type specificity for...

A - Human Necessities – 61 – K

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Details

A61K 48/00 (2006.01) A61K 35/76 (2006.01) C12N 5/10 (2006.01) C12N 15/63 (2006.01) C12N 15/861 (2006.01) C07K 14/075 (2006.01) C12N 7/00 (2006.01)

Patent

CA 2451577

The present invention provides novel methods and means for delivering a heterologous nucleic acid of interest to mesenchymal stem cells by providing recombinant adenoviral vectors provided with, or having a natural tropism for mesenchymal stem cells, typically in combination with a reduced tropism for other kinds of cells, in particular liver cells. The invention also provides mesenchymal stem cells provided with a heterologous nucleic acid through the use of a recombinant adenoviral vector according to the invention, and the use of such mesenchymal stem cells for the preparation of medicaments for the treatment of multiple sclerosis, rheumatoid arthritis, angiogenesis and bone related disorders, for instance in treatments that involve bone (re)generation.

L'invention concerne de nouveaux procédés et moyens d'apport d'un acide nucléique hétérologue à étudier dans des cellules souches mésenchymateuses, consistant à fournir des vecteurs adénoviraux recombinés présentant un tropisme naturel pour les cellules souches mésenchymateuses, associé généralement à un tropisme atténué pour d'autres types de cellules, en particulier, les cellules du foie. Par ailleurs, l'invention concerne l'utilisation d'un vecteur adénoviral recombiné pour administrer un acide nucléique hétérologue à des cellules souches mésenchymateuses, l'utilisation de ces cellules souches mésenchymateuses pour préparer des médicaments utilisés dans le traitement de maladies telles que la sclérose en plaques, la polyarthrite rhumatoïde, l'angiogenèse et les troubles osseux, notamment dans les traitements qui impliquent la ré(génération) osseuse.

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