Low doses of ionizing radiation induce nuclear activity in human tumour cell lines which catalyzes homologous double-strand recombination.


Activity catalysing double-strand DNA recombination has been investigated in human tumour cell lines using an in vitro assay in which nuclear extracts from tumour cells are used to catalyse homologous recombination between deletion plasmids. The cell lines investigated showed comparable constitutive levels of recombination activity. In several cell lines a… (More)


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