Method to assess breast cancer risk

G - Physics – 01 – N

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G01N 33/574 (2006.01) C12Q 1/37 (2006.01)

Patent

CA 2629793

We show that urinary metalloproteinases (MMP's) (e.g. MMP 9) and a disintegrin and metalloprotease 12 (ADAM 12) are significantly elevated in women at high risk for developing breast cancer and that monitoring for the absence or presence of both MMP 9 and ADAM 12 represents a new means for breast cancer risk assessment. In addition, we show that levels of MMP 9 and ADAM 12 serve as independent predictors of breast cancer risk. Furthermore, we have determined that elevated levels of urinary ADAM 12 predict an increased risk for breast cancer in subjects predicted not to be at risk for breast cancer by the Gail 5 -year risk model66'67. Accordingly, methods for assessing breast cancer risk and methods for directing medical care are provided.

Nous démontrons que les métalloprotéinases urinaires (MMP's) (par exemple MMP 9), et une disintégrine métalloprotéase 12 (ADAM 12) sont notablement élevés chez les femmes présentant un fort risque de développer un cancer du sein, et que le constat de l'absence ou de la présence à la fois de la MMP 9 et de la ADAM 12 représente un nouveau moyen d'évaluation du risque de cancer du sein. Nous démontrons de plus que les niveaux de MMP 9 et ADAM 12 sont des indicateurs indépendants du risque de cancer du sein. Nous avons en outre déterminé qu'un niveau élevé d'ADAM 12 dans l'urine indiquait un risque accru de cancer du sein chez des sujets pour lesquels le test Gail 5 -year risk model66' 67prédisait une absence de risque. L'invention porte donc sur des méthodes d'évaluation du risque de cancer du sein et sur des méthodes d'orientation de soins médicaux.

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