Method of determining dihydropyrimidine dehydrogenase gene...

C - Chemistry – Metallurgy – 12 – Q

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C12Q 1/68 (2006.01) C12N 15/09 (2006.01)

Patent

CA 2439313

The present invention relates to prognostic methods which are useful in medicine, particularly cancer chemotherapy. The object of the invention to provide a method for assessing Dihydropyrimidine dehydrogenase ()DPD expression levels in tissues and prognosticate the probable resistance of a patient's tumor to treatment with 5-FU based therapies by examination of the amount of DPD mRNA in a patient's tumor cells and comparing it to a predetermined threshold expression level. More specifically, the invention provides to oligonucleotide primer pairs DPD3A and DPD3B and methods comprising their use for detecting levels of Dihydropyrimidine dehydrogenase (DPD) mRNA.

La présente invention concerne des méthodes pronostics pouvant être utilisées à des fins médicales, notamment pour la chimiothérapie du cancer. L'invention concerne un procédé permettant d'évaluer les niveaux d'expression de la Dihydropyrimidine déshydrogénase DPD dans des tissus, et de pronostiquer la résistance probable d'une tumeur d'un patient à un traitement au moyen de thérapies au 5-FU par analyse de la quantité d'ARNm DPD dans les cellules tumorales d'un patient, puis par comparaison de cette quantité avec un niveau d'expression seuil prédéterminé. Plus particulièrement, cette invention concerne des paires d'amorces oligonucléotidiques DPD3A et DPD3B, ainsi que des méthodes consistant à les utiliser pour détecter les niveaux d'ARNm de Dihydropyrimidine déshydrogénase (DPD).

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