Perfiles de expresión génica en decisiones terapéuticas en cáncer de mama
In the early stages of breast cancer, surgery and radiotherapy arrest the local and regional disease. However 30% of patients will die as a consequence of tumor dissemination. Parameters with a relative predictive value are used to assess candidates to adjuvant therapy. Genomic analysis methods (cDN...
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| Lenguaje: | Spanish / Castilian |
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Sociedad Médica de Santiago
2007
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| Acceso en línea: | http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872007000200016 |
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| Sumario: | In the early stages of breast cancer, surgery and radiotherapy arrest the local and regional disease. However 30% of patients will die as a consequence of tumor dissemination. Parameters with a relative predictive value are used to assess candidates to adjuvant therapy. Genomic analysis methods (cDNA microarray) identified a gene expression profile of greater aggressiveness in breast cancer. This knowledge generated the project "Translating Molecular Knowledge Into Early Breast Cancer Management" of the Breast International Group (BIG). This is a consortium of 32 research groups in which Chile participates through the Chilean Cooperative Oncological Research Group (GOCCHI). The project consists in three protocols. In the first, denomimated MINDACT (Microarray for Node Negative Disease may Avoid Chemotherapy), 8000 women will be evaluated by gene expression profile and clinical pathological criteria to decide adjuvant therapy. Since a group of patients will not receive therapy, solely based on gene expression profile, GOCCHI is preparing a follow up protocol based on the expression of 22 genes. MINDACT is the first prospective effort to evaluate gene expression profiles in clinical practice. Our participation in this protocol, installs us in the first line of worlwide oncological investigation |
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