Immunohistochemical detection assay for carcinoma...

G - Physics – 01 – N

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G01N 33/574 (2006.01) G01N 33/74 (2006.01)

Patent

CA 2271092

A method of determining the proliferative status of a carcinoma is disclosed. One obtains a patient sample and then quantitatively analyzes the sample for NGAL gene expression product. The amount of NGAL expression product is compared with a standard curve to determine the S-phase value. The sample can be breast tissue or breast fluid aspirate. Alternatively, blood can be analyzed for this marker to diagnose metastasis.

L'invention concerne un procédé permettant de déterminer l'état de prolifération d'un cancer. Selon ledit procédé, on prélève d'abord sur un patient un échantillon que l'on analyse ensuite pour déterminer la quantité de produit d'expression génique NGAL qu'il contient. Cette quantité de produit d'expression NGAL est comparée à une courbe standard pour permettre la détermination de la valeur de phase S. L'échantillon peut être du tissu mammaire ou du fluide mammaire obtenu par aspiration. Selon une variante, on peut analyser le sang pour déterminer la présence de ce marqueur et ainsi diagnostiquer une métastase.

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