Use of murine genomic regions identified to be involved in...

C - Chemistry – Metallurgy – 12 – N

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C12N 15/12 (2006.01) A61K 31/7088 (2006.01) A61K 39/395 (2006.01) A61K 48/00 (2006.01) A61P 35/00 (2006.01) A61P 35/02 (2006.01) C07K 14/47 (2006.01) C12Q 1/68 (2006.01) C12Q 1/70 (2006.01) G01N 33/574 (2006.01)

Patent

CA 2496048

The present invention relates to murine genomic regions, identified by retroviral insertional tagging of mice as being involved in tumor development, in particular leukemia development, as well as human homologues thereof, and to the use of these genomic regions for the identification and development of anti-cancer drugs, such as small molecule inhibitors, antibodies, ribozymes, antisense molecules and RNA interference (RNAi) molecules, that are effective in reducing or eliminating the tumorigenic effects of genetic transformations in these genomic regions and/or eliminating the tumorigenic effects of expression products thereof. The invention further relates to these anti- cancer drugs and to their use as pharmaceutical reagents for the treatment of cancer, as well as to pharmaceutical compositions comprising one or more of said pharmaceutical reagents and to methods for the treatment of cancer using said pharmaceutical compositions, in particular to methods of gene therapy. In yet further aspects, the invention relates to nucleic acids, to antibodies capable of binding specifically to murine genomic regions and to expression products thereof, to the use of said nucleic acids or antibodies as diagnostic reagents for the diagnosis of cancer, as well as to diagnostic compositions comprising one or more of said diagnostic reagents and to methods for the diagnosis of cancer using said diagnostic compositions.

La présente invention concerne des régions génomiques murines identifiées par marquage retroviral insertionnel de souris comme étant impliquées dans le développent tumoral, en particulier le développement de la leucémie, et leurs homologues humaines, ainsi que l'utilisation de ces régions génomiques pour l'identification et le développement de médicaments anticancéreux, tels que des inhibiteurs de petites molécules, des anticorps, des ribosymes, des molécules antisens ainsi que des molécules d'interférence d'ARN (ARNi), lesquels sont efficaces pour réduire ou éliminer les effets tumorigènes de transformations génétiques dans ces régions génomiques et/ou éliminer les effets tumorigènes de leurs produits d'expression. L'invention concerne également ces médicaments anticancéreux ainsi que leur utilisation en tant que réactifs pharmaceutiques dans le traitement des cancers, ainsi que des compositions pharmaceutiques contenant un ou plusieurs desdits réactifs pharmaceutiques et des méthodes de traitement du cancer utilisant lesdites compositions pharmaceutiques, en particulier des méthodes de thérapie génique. Dans encore d'autres aspects, l'invention concerne des acides nucléiques, des anticorps capables de se fixer spécifiquement aux régions génomiques murines ainsi que leurs produits d'expression, l'utilisation desdits acides nucléiques ou anticorps en tant que réactifs de diagnostic pour le diagnostic du cancer, et des compositions diagnostiques contenant un ou plusieurs desdits réactifs de diagnostic, et des méthodes de diagnostic du cancer à l'aide desdites compositions de diagnostic.

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