| 摘要 |
The present invention provides a new biomarker for the diagnosis, prognosis and monitoring of cancer, preferably breast and colon cancer, the PIK3R2 gene or any of its expression products; since high levels of PIK3R2 correlate with advanced tumor stages, and in the case of breast cancer, with invasive or metastatic capacity. Thus, the invention is also related to a method for the diagnosis, prognosis and monitoring of cancer, preferably breast or colon cancer, in which the quantification of said biomarker in a biological sample comprising tumor cells is necessary.
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