Cancer Research

Cells with duplicate genomes can trigger tumors

Published in Cancer Weekly, November 1st, 2005

Abnormal cell division that yields cells with an extra set of chromosomes can initiate the development of tumors in mice, researchers at Dana-Farber Cancer Institute have shown, validating a controversial theory about cancer causation put forth by a scientific visionary nearly 100 years ago.

The so-called "double-value" cells are produced by random errors in cell division that occur with unknown frequency. The generation of these genetically unstable cells appears to be a "pathway for generating a tumor," says David Pellman, MD, a pediatric oncologist at Dana-Farber and at Children's Hospital Boston. He is the senior author on a report in the Oct. 13 issue of...

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Source: Cancer Weekly (2005-11-01)

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