Haplotype-matched cytokine-secreting cells and methods of...

A - Human Necessities – 61 – K

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A61K 48/00 (2006.01) A61K 35/12 (2006.01) A61K 39/00 (2006.01) C07K 14/52 (2006.01) C07K 14/55 (2006.01) C12N 9/12 (2006.01) A61K 38/00 (2006.01)

Patent

CA 2171211

The invention relates to a composition comprising haplotype-matched tumor cells which have been genetically modified to express a cytokine gene and to a composition comprising autologous fibroblasts which have been genetically modified to express a cytokine gene and unmodified tumor cells. The invention also relates to methods for using the haplotype-matched cytokine-secreting cells to stimulate an immune response against a tumor located in the central nervous system of a cancer patient. The invention further relates to a method of inhibiting or preventing the growth of tumor cells in the central nervous system of a patient by immunizing the patient with the haplotype- matched cytokine-secreting cells.

L'invention concerne une composition comprenant des cellules tumorales appariées par haplotype, qui ont subi une modification génétique pour leur faire exprimer un gène de cytokine, ainsi qu'une composition comprenant des fibroblastes autologues, qui ont subi une modification génétique pour leur faire exprimer un gène de cytokine, et des cellules tumorales non modifiées. L'invention concerne également des procédés d'utilisation des cellules sécrétrices de cytokines appariées par haplotype en vue de stimuler une réponse immunitaire contre une tumeur du système nerveux central d'un patient cancéreux. L'invention se rapporte en outre à un procédé d'inhibition ou de prévention de la croissance de cellules tumorales dans le système nerveux central par l'immunisation du patient à l'aide des cellules sécrétrices de cytokines appariées par haplotype.

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