C - Chemistry – Metallurgy – 07 – K
Patent
C - Chemistry, Metallurgy
07
K
C07K 14/47 (2006.01) C12P 21/00 (2006.01) A61K 35/12 (2006.01) C12N 5/08 (2006.01) C12N 5/06 (2006.01)
Patent
CA 2369085
A method for the ex-vivo expansion of mammalian hematopoietic stem cells (HSC) comprises culturing isolated HSC in a culture system comprising a culture medium in the presence of a stem cell expansion promoting factor (SCEPF) which may be obtained by culturing murine stromal cells in the presence of an amount of leukemia inhibitory factor (LIF) sufficient to stimulate the production and secretion of said expansion promoting factor.
La présente invention concerne un procédé d'expansion ex vivo de cellules souches hématopoïétiques multipotentes mammaliennes qui consiste en la mise en culture de cellules souches hématopoïétiques mammaliennes isolées dans un système de culture comprenant un milieu de culture en présence d'un facteur favorisant l'expansion des cellules souches qui peut être obtenu par la mise en culture de cellules résidantes de souris en présence d'une quantité suffisante de facteur inhibiteur de leucémie pour favoriser la production et le sécrétion dudit facteur favorisant l'expansion.
City Of Hope
Osler Hoskin & Harcourt Llp
Shih Chu-Chih
LandOfFree
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