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[Structure and function of DCC (deleted in colorectal cancer) gene and its product].

The DCC gene is one of several genes altered during tumorigenesis. Recent studies demonstrate the existence of 29 exons and it spans 1.4 Mb. DCC gene is a candidate tumor-suppressor gene encoding a protein with a sequence similarity to cell adhesion molecule. Although the mutation of DCC gene was few, high incidence of LOH and decreased mRNA expression in colorectal cancer especially with hepatic metastasis was observed. These DCC gene abnormalities possibly be related to predictive marker for liver metastasis.