Blood test prototypes and methods for the detection of...

C - Chemistry – Metallurgy – 12 – Q

Patent

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C12Q 1/68 (2006.01) C12M 1/34 (2006.01) C12N 1/02 (2006.01) C12Q 1/04 (2006.01) C40B 30/00 (2006.01) G01N 1/12 (2006.01) G01N 1/34 (2006.01) G01N 33/50 (2006.01) G01N 33/574 (2006.01)

Patent

CA 2544373

Methods and devices for isolating and diagnosing disease with a cell adhesion matrix system, mimicking a metastatic, cardiovascular or placental environment, are disclosed. The cell adhesion matrix facilitates the enrichment of target cells such as metastatic tumor cells, fetal cells and endothelial progenitor cells from a fluid sample such as blood for diagnostic and therapeutic application s in treating patients afflicted with disease, such as cancerous, cardiovascular and fetal diseases, as well as for research applications in molecular analysis of metastatic, and cardiovascular and fetal diseases. Blood test prototypes and methods for the cell enrichment and detection of circulating tumor and endothelial cells using multiplex molecular analysis are described herein. In addition, methods and compositions for determining host immunity to tumor in subjects with risk of cancer progression and methods for isolating an enriched fraction of fetal cells from pregnant females for prenatal diagnosis are also described herein.

L'invention concerne des méthodes et des dispositifs d'isolement et de diagnostic d'une maladie à l'aide d'un système de matrice à adhésion cellulaire, reproduisant un environnement métastatique, cardiovasculaire ou placentaire. La matrice à adhésion cellulaire facilite l'enrichissement de cellules cibles telles que les cellules tumorales métastatiques, les cellules embryonnaires et les cellules progénitrices endothéliales obtenues d'un échantillon de fluide, par exemple du sang, dans des applications diagnostiques et thérapeutiques de traitement de patients souffrant d'une maladie, par exemple d'une maladie cancéreuse, cardiovasculaire ou embryonnaire, ainsi que dans des applications de recherche d'analyse moléculaire de maladies métastatiques, cardiovasculaires et embryonnaires. L'invention concerne également des prototypes d'analyses sanguines et des méthodes d'enrichissement et de détection de cellules tumorales et endothéliales par analyse moléculaire multiplex. L'invention concerne, de plus, des méthodes et des compositions permettant de déterminer une immunité de l'hôte contre les tumeurs chez des sujets présentant des risques de progression du cancer, et des méthodes d'isolement d'une fraction enrichie de cellules embryonnaires chez des femmes enceintes pour un diagnostic prénatal.

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