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Science 12 April 1985:
Vol. 228. no. 4696, pp. 187 - 190
DOI: 10.1126/science.2579435

Articles

Science, Vol 228, Issue 4696, 187-190
Copyright © 1985 by American Association for the Advancement of Science


articles

Hypomethylation of DNA from benign and malignant human colon neoplasms

SE Goelz, B Vogelstein, Hamilton SR, and AP Feinberg

The methylation state of DNA from human colon tissue displaying neoplastic growth was determined by means of restriction endonuclease analysis. When compared to DNA from adjacent normal tissue, DNA from both benign colon polyps and malignant carcinomas was substantially hypomethylated. With the use of probes for growth hormone, gamma-globin, alpha-chorionic gonadotropin, and gamma-crystallin, methylation changes were detected in all 23 neoplastic growths examined. Benign polyps were hypomethylated to a degree similar to that in malignant tissue. These results indicate that hypomethylation is a consistent biochemical characteristic of human colonic tumors and is an alteration in the DNA that precedes malignancy.


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Role of T Cell DNA Methylation in Lupus Syndromes.
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Concerted nonsyntenic allelic loss in human colorectal carcinoma.
D. Law, S Olschwang, J. Monpezat, D Lefrancois, D Jagelman, N. Petrelli, G Thomas, and A. Feinberg (1988)
Science 241, 961-965
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Clonal analysis of human colorectal tumors.
E. Fearon, Hamilton SR, and B Vogelstein (1987)
Science 238, 193-197
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