Mutations in TGFbeta-RII and BAXmediate tumor progression in the later stages of colorectal cancer with microsatellite instability

Abstract excerpt

BACKGROUND: Microsatellite instability (MSI) occurs in 15% of colorectal cancers (CRC). The genetic targets for mutation in the MSI phenotype include somatic mutations in the transforming growth factor beta receptor typeII (TGFbetaRII), BAX, hMSH3 and hMSH6. It is not clear how mutations of these genes mediate tumor progression in the MSI pathway, and the temporal sequence of these mutations remains uncertain. In...

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