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Research from Oregon Health & Science University, Center for Research on Occupational and Environmental Toxicology in the area of cancer published

Published in Cancer Weekly, March 11th, 2008

New research, 'The spectra of large second-step mutations are similar for two different mouse autosomes,' is the subject of a report. According to a study from the United States, "Loss of tumor suppressor gene expression via mutations plays a critical role in cancer development, particularly when occurring in heterozygous cells. These so-called 'second-step' mutational events are often large in size and arise most often from chromosome loss, mitotic recombination, or interstitial deletion."

"An open question in cancer research is whether different chromosomes are equally susceptible to formation of large mutations, or alternatively if the unique sequence of each...

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