Quantitative patterns in the yield of chromosome aberrations in a human lymphocyte culture with fractionated gamma-neutron irradiation at different stages of the mitotic cycle. The cytogenetic effects at stage G1

Pozdyshkina, O.V.

Radiatsionnaia Biologiia Radioecologiia 37(2): 249-256

1997


ISSN/ISBN: 0869-8031
PMID: 9181969
Accession: 068696408

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Abstract
Quantitative regularities of the chromosome aberrations yield in the human lymphocyte culture affected by fractionated gamma/neutron irradiation (in the direct and inverse sequences) at a stage of the presynthesis (G1), with the 1 to 5 h intervals between the dose fractions, were studied. The obtained results were compared with those for the stage G0 described in the previous paper. The cytogenetic effect, with doses and intervals between the dose fractions being equal, depended significantly on a stage of the mitotic cycle of the cells. The effect was opposite for the stages G0 and G1: super- and subadditive, respectively.