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Ames Bacterial Reverse Mutation
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ICH guideline M7 on assessment and control of DNA reactive ...
www.ema.europa.eubacterial Ames reverse mutation assays, but induced increases in mutations at the hypoxanthine-48. guanine-phosphoribosyl transferase (hprt) locus in mammalian cells, which included point . 49. mutations demonstrated by sequencing (Ref. 13). DNA- and DNA-protein adducts were observed . 50
Risk Assessment and Management of Genotoxic Impurities …
www.nihs.go.jpbacterial reverse mutation (mutagenicity) assay. Other types of genotoxicants that are non-mutagenic typically have threshold mechanisms and usually do not pose carcinogenic risk in humans at the level ordinarily present as impurities.