DNA methylation and genetic instability in colorectal cancer cells

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Abstract

Apparent alterations in DNA methylation have been observed in many cancers, but whether such alterations represent a persistent alteration in the normal methylation process is not known. In this study, we report a striking difference in the expression of exogenously introduced retroviral genes in various colorectal cancer cell lines. Extinguished expression was associated with DNA methylation and could be reversed by treatment with the demethylating agent 5-azacytidine. A striking correlation between genetic instability and methylation capacity suggested that methylation abnormalities may play a role in chromosome segregation processes in cancer cells.

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APA

Lengauer, C., Kinzler, K. W., & Vogelstein, B. (1997). DNA methylation and genetic instability in colorectal cancer cells. Proceedings of the National Academy of Sciences of the United States of America, 94(6), 2545–2550. https://doi.org/10.1073/pnas.94.6.2545

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