Animal models of pancreatic adenocarcinoma and uses therefor

C - Chemistry – Metallurgy – 12 – N

Patent

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Details

C12N 15/12 (2006.01) A61K 31/7088 (2006.01) A61K 31/713 (2006.01) A61K 38/00 (2006.01) A61K 39/395 (2006.01) A61K 48/00 (2006.01) A61P 35/00 (2006.01) C07K 14/435 (2006.01) C12N 5/10 (2006.01) C12Q 1/02 (2006.01) C12Q 1/68 (2006.01) C40B 30/00 (2006.01) C40B 30/06 (2006.01) G01N 33/53 (2006.01) G01N 33/574 (2006.01)

Patent

CA 2547355

The present invention is based, at least in part, on the generation of an animal model of pancreatic adenocarcinoma which recapitulates the genetic and histological features of human pancreatic adenocarcinoma, including the initiation, maintenance, and progression of the disease. Accordingly, the present invention provides animal models of cancer, e.g., pancreatic adenocarcinoma, wherein an activating mutation of Kras has been introduced, and any one or more known or unknown tumor suppressor genes or loci, e.g., Ink4a/Arf, Ink4a, Arf, p53, Smad4/Dpc, Lkb1, Brca2, or Mlh1, have been misexpressed, e.g., have been misexpressed leading to decreased expression or non-expression. The animal models of the invention may be used, for example, to identify biomarkers of pancreatic cancer, to identify agents for the treatment or prevention of pancreatic cancer, and to evaluate the effectiveness of potential therapeutic agents.

L'invention concerne, au moins en partie, la génération d'un modèle animal d'adénocarcinome pancréatique récapitulant les caractéristiques génétiques et histologiques d'un adénocarcinome pancréatique humain, notamment l'initiation,<i> </i> la stabilisation et la progression de la maladie. Par conséquent, l'invention concerne des modèles animaux du cancer, <i> par exemple,</i> l'adénocarcinome pancréatique, une mutation d'activation de <i>Kras </i> ayant été introduite et un ou plusieurs gènes suppresseurs de tumeur connus ou inconnus quelconques ou des <i>loci, par exemple, Ink4a/Arf, Ink4a, Arf, p53, Smad4/Dpc, Lkb1, Brca2, </i>ou <i>Mlh1, </i> ayant été mal exprimés, par exemple, ayant été mal exprimés de manière à entraîner une expression réduite ou une non-expression. Les modèles animaux selon l'invention peuvent être utilisés, par exemple, pour identifier des biomarqueurs du cancer du pancréas, pour identifier des agents destinés au traitement ou à la prévention du cancer du pancréas et pour évaluer l'efficacité d'agents thérapeutiques potentiels.

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