Cell Press, Cancer Cell, 6(14), p. 431-433, 2008
DOI: 10.1016/j.ccr.2008.11.011
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Aneuploidy, an abnormal chromosome number, is a frequent characteristic of malignant cells, leading to the suggestion that aneuploidy drives tumorigenesis. In a recent issue of Science, Williams et al. identified a paradoxical relationship between aneuploidy and its linkage to tumorigenesis: chromosome gains in nontransformed cells are antiproliferative, despite frequently occurring in human tumors.