Frequent Alteration of MLL3 Frameshift Mutations in Microsatellite Deficient Colorectal Cancer

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Frequent Alteration of MLL3 Frameshift Mutations in Microsatellite Deficient Colorectal Cancer

BACKGROUND MLL3 is a histone 3-lysine 4 methyltransferase with tumor-suppressor properties that belongs to a family of chromatin regulator genes potentially altered in neoplasia. Mutations in MLL3 were found in a whole genome analysis of colorectal cancer but have not been confirmed by a separate study. METHODS AND RESULTS We analyzed mutations of coding region and promoter methylation in MLL...

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About 15% of sporadic colorectal cancers show microsatellite instability (MSI) due to the inactivation of mismatch repair genes and are termed MSI-H tumors. In these tumors, frameshift mutations in coding repeats have been found within the TGFbeta-RII, BAX, and IGFRII genes that are probably involved in their progression. In the present work, we report frequent mutations in TCF-4, another targe...

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Frequent microsatellite instability and mismatch repair gene mutations in young Chinese patients with colorectal cancer.

BACKGROUND The incidence of colorectal cancer in persons under 46 years of age is substantially higher in Hong Kong than in Scotland and many other countries. Consequently, we examined whether there is a hereditary predisposition for colorectal cancer in this Southern Chinese population. METHODS We investigated the incidence of microsatellite instability (MSI) at 10 DNA sites in 117 colorecta...

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ژورنال

عنوان ژورنال: PLoS ONE

سال: 2011

ISSN: 1932-6203

DOI: 10.1371/journal.pone.0023320