Method for diagnosis of colorectal tumors

C - Chemistry – Metallurgy – 12 – Q

Patent

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C12Q 1/68 (2006.01) A61K 31/7088 (2006.01) A61K 39/00 (2006.01) A61K 39/395 (2006.01) A61K 48/00 (2006.01) C12Q 1/00 (2006.01) G01N 33/50 (2006.01) G01N 33/574 (2006.01)

Patent

CA 2499709

The invention provides objective methods for detecting and diagnosing colorectal cancers and pre-malignant lesions. For example, the methods disclosed herein can reliably detect very early-stage colorectal cancers. In one embodiment, the diagnostic method involves the scoring of gene expression profiles that discriminate between adenomas and carcinomas. The profile score calculated acts as diagnostic indicator that can objectively indicate whether a sample tissue is non-cancerous, pre-cancerous, or cancerous. The present invention further provides methods of diagnosing colorectal tumors in a subject, methods of screening for therapeutic agents useful in the treatment of colorectal tumors, methods of treating colorectal tumors and method of vaccinating a subject against colorectal tumors.

L'invention concerne des procédés objectifs permettant de détecter et de diagnostiquer des cancers colo-rectaux et des lésions précancéreuses. Par exemple, les procédés selon l'invention permettent de détecter de manière fiable des cancers colo-rectaux à des stades très précoces. Selon une forme d'exécution, le procédé de diagnostic implique la caractérisation de profils d'expression génique permettant de faire la discrimination entre adénomes et carcinomes. La cotation des profils calculés agit comme indicateur de diagnostic capable d'indiquer objectivement si un tissu échantillon est non cancéreux, précancéreux ou cancéreux. L'invention concerne en outre des procédés de diagnostic de tumeurs colo-rectales chez un sujet, des procédés de sélection d'agents thérapeutiques utilisés dans le traitement de tumeurs colo-rectales, des procédés de traitement de tumeurs colo-rectales, ainsi qu'un procédé de vaccination d'un sujet contre des tumeurs colo-rectales.

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