T cells mediating an immune response and methods of use

C - Chemistry – Metallurgy – 12 – N

Patent

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Details

C12N 5/08 (2006.01) A61K 35/14 (2006.01) A61K 39/385 (2006.01) C07K 7/06 (2006.01) C07K 7/08 (2006.01) C07K 14/47 (2006.01) C07K 14/725 (2006.01) C12Q 1/02 (2006.01) C12Q 1/68 (2006.01) G01N 33/566 (2006.01) G01N 33/574 (2006.01) A61K 38/00 (2006.01) A61K 39/00 (2006.01)

Patent

CA 2242590

The present invention is directed to T cells, compositions, and methos of obtaining and using the same, including and not limited to methods of treating cancer. The methods of the present invention include inter alia: a method of generating T cells capable of infiltrating a tumor of a human and participating in an immune response against the tumor; and a method of treating cancer comprising administering to a human afflicted with a tumor a therapeutically effective amount of T cells that mediate tumor regression, the T cells having been either isolated from the tumor of the human after immunization of the human with a composition comprising hapten-modified tumor cells and/or expanded in vitro from T cells thus isolated.

Cette invention a trait à des lymphocytes T, à des compositions ainsi qu'à des méthodes permettant de les obtenir et de les utiliser, y compris mais sans se limiter à ceci, des méthodes thérapeutiques anticancéreuses. Au nombre des méthodes selon l'invention figurent, une technique de production de lymphocytes T capable de pénétrer dans une tumeur humaine et de participer à une réaction immunitaire contre cette dernière, une méthode thérapeutique anticancéreuse consistant à administrer à un être humain souffrant d'une tumeur une quantité efficace du point de vue thérapeutique de lymphocytes T entraînant la régression de la tumeur. Ces lymphocytes T auront été, soit isolés d'une tumeur humaine après immunisation du sujet à l'aide d'une composition contenant des cellules tumorales modifiées au moyen d'un haptène, soit développés in vitro à partir de lymphocytes T ainsi isolés ou bien encore auront été soumis aux deux processus.

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