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- W3048981022 abstract "Abstract Transgenic rodent (TGR) models use bacterial reporter genes to quantify in vivo mutagenesis. Pairing TGR assays with next-generation sequencing (NGS) enables comprehensive mutation pattern analysis to inform mutational mechanisms. We used this approach to identify 2751 independent lacZ mutations in the bone marrow of MutaMouse animals exposed to four chemical mutagens: benzo[a]pyrene, N -ethyl- N -nitrosourea, procarbazine, and triethylenemelamine. We also collected published data for 706 lacZ mutations from eight additional environmental mutagens. We report that lacZ gene sequencing generates chemical-specific mutation signatures observed in human cancers with established environmental causes. For example, the mutation signature of benzo[a]pyrene, a carcinogen present in tobacco smoke, matched the signature associated with tobacco-induced lung cancers. Our results suggest that the analysis of chemically induced mutations in the lacZ gene shortly after exposure provides an effective approach to characterize human-relevant mechanisms of carcinogenesis and propose novel environmental causes of mutation signatures observed in human cancers." @default.
- W3048981022 created "2020-08-21" @default.
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- W3048981022 date "2020-08-14" @default.
- W3048981022 modified "2023-10-06" @default.
- W3048981022 title "Chemically induced mutations in a MutaMouse reporter gene inform mechanisms underlying human cancer mutational signatures" @default.
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- W3048981022 doi "https://doi.org/10.1038/s42003-020-01174-y" @default.
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