Capturing the primordial Kras mutation initiating urethane carcinogenesis

Why the carcinogen urethane causes only lung tumours driven by a specific oncogenic mutation in just one Ras gene in mice is unclear. Here, the authors capture mutations immediately after urethane exposure and show that the sequence specificity of mutagenesis, transcriptional status, and Ras genetic...

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Auteurs principaux: Siqi Li, David M. MacAlpine, Christopher M. Counter
Format: article
Langue:EN
Publié: Nature Portfolio 2020
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Accès en ligne:https://doaj.org/article/cb1c397ce0c84a8facfee7f5e41cf830
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Résumé:Why the carcinogen urethane causes only lung tumours driven by a specific oncogenic mutation in just one Ras gene in mice is unclear. Here, the authors capture mutations immediately after urethane exposure and show that the sequence specificity of mutagenesis, transcriptional status, and Ras genetic loci may all contribute to this specificity.