Unscheduled DNA synthesis in cultured ataxia telangiectasia fibroblast-like cells

R. A. Vincent, A. J. Fink, P C Huang

Research output: Contribution to journalArticle

Abstract

The capacity of cultured fibroblast-like cells from 5 ataxia telangiectasia (AT) patients to repair γ-ray-induced damage formed in DNA under aerobic conditions was measured by unscheduled DNA synthesis (UDS). The AT cultures exhibited generally reduced UDS compared to the normal cultures for γ-ray doses of 4–12 kR. Reduced UDS in the AT cultures was observed for repair-incubation periods at which UDS was not saturated (0.5 and 1 h), and for periods characterized by maximal amounts of UDS in both the normal and AT cultures (2 and 4 h). The results suggest a class of lesions repairable in the normal cells by UDS within 1 h many persist in the AT cells for 4 h or longer.

Original languageEnglish (US)
Pages (from-to)245-249
Number of pages5
JournalMutation Research - Fundamental and Molecular Mechanisms of Mutagenesis
Volume72
Issue number2
DOIs
StatePublished - Jan 1 1980

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Ataxia Telangiectasia
Fibroblasts
DNA

ASJC Scopus subject areas

  • Molecular Biology
  • Genetics
  • Health, Toxicology and Mutagenesis

Cite this

Unscheduled DNA synthesis in cultured ataxia telangiectasia fibroblast-like cells. / Vincent, R. A.; Fink, A. J.; Huang, P C.

In: Mutation Research - Fundamental and Molecular Mechanisms of Mutagenesis, Vol. 72, No. 2, 01.01.1980, p. 245-249.

Research output: Contribution to journalArticle

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