High SMAD4 levels appear in microsatellite instability and hypermethylated colon cancers, and indicate a better prognosis

Abstract excerpt

Colorectal cancer (CRC) is one of the most common causes of cancer-related deaths in western countries. CRC are commonly divided in cancers showing microsatellite stability (MSS) or microsatellite instability (MSI). A more novel classification is dependent on promoter hypermethylation of CpG islands (the CpG island methylator phenotype, CIMP), where cancers show high, low or negative methylation status. SMAD4,...

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