In a new study published in Cell Reports, scientists at the Fred Hutchinson Cancer Research Center demonstrate that mice lacking one copy of a gene called CTCF have abnormal DNA methylation and are markedly predisposed to cancer. CTCF is a very well-studied DNA binding protein that exerts a major influence on the architecture of the human genome, but had not been previously linked to cancer.

Over 30 years ago, frequent loss of one copy of chromosome 16 was first reported in breast cancer but the gene or genes responsible remained to be identified.

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