DNA repair in lymphocytes from young and old individuals and from patients with Alzheimer's disease

T A D Smith, R Itzhaki, D Neary

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Lymphocytes from patients with ataxia telangiectasia and Down's syndrome show a greater frequency of chromosome aberrations after ionising radiation than do lymphocytes from normal people. The connection between Down's syndrome and Alzheimer's disease (AD) is well-known. In view of this and of a study showing a greater sensitivity of AD than of normal lymphoblastoid cells to X-irradiation (measured by viability), we have examined repair of AD lymphocytes (hydroxyurea-treated) by measuring [3H]thymidine incorporation after γ-irradiation. We have found no difference in incorporation between AD and normal lymphocytes from age-matched individuals. However, incorporation decreases with age in γ-irradiated cells and to a lesser extent in unirradiated cells.
Original languageEnglish
Pages (from-to)107-112
Number of pages6
JournalMutation Research. DNA Repair
Volume184
Issue number2
DOIs
Publication statusPublished - Sep 1987

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