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Isolation of camptothecin-sensitive chinese hamster cell mutants: phenotypic heterogeneity within the ataxia telangiectasia-like XRCC8 (irs2) complementation group.

Mutagenesis - 1 Jul 2000

Johnson M A, Bryant P E, Jones N J

Abstract excerpt

Using a replica microwell method, four Chinese hamster lines which exhibit hypersensitivity to the topoisomerase I inhibitor camptothecin, designated CM1, CM2, CM3 and CM6, have been isolated. Their sensitivity towards camptothecin varied from 3.5- to 8.2-fold with relative sensitivity as follows: CM2 < CM3 < CM6 < CM1. Genetic analysis of the CM mutants has established that CM1, CM3 and CM6 fail to complement...

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PMID: 10887218
DOI: 10.1093/mutage/15.4.367

Genes

ATM

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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