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Institute for Cancer Prevention

Loss of heterozygosity on chromosome 12 concurs with lung cancer induction

Published in Managed Care Business Week, June 22nd, 2004

Loss of heterozygosity on chromosome 12 concurs with lung cancer induction.

According to a study from the United States, "genotoxic carcinogens exert their tumorigenic effects in part by inducing genomic instability. We recently showed that loss of heterozygosity (LOH) on chromosome 12 associates significantly with the induction of chromosome instability (CIN) by the likely human lung carcinogen 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) and vinyl carbamate (VC) during mouse lung carcinogenesis. Here, we demonstrate the carcinogen specificity of this event and its effect on lung tumor evolution."

"LOH on chromosome 12 was observed in 45% of...

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