In vivo persistence of sister chromatid exchanges (SCE) induced by gamma rays in mouse bone marrow cells
Journal Article
·
· Environ. Mutagen.; (United States)
The sister chromatid exchange (SCE) frequencies induced in bone marrow cells by in vivo irradiation with gamma rays before or after bromodeoxyuridine (BrdUrd) incorporation were compared. The frequency of SCE at different postirradiation times was also measured in bone marrow cells in vivo, irradiated before BrdUrd incorporation. Increased sensitivity to SCE induction by radiation was found in cells after BrdUrd incorporation for one cycle when compared with cells irradiated before BrdUrd incorporation. The increased SCE frequency persisted for at least 72 hr after the initial irradiation, implying that the gamma ray-induced lesion(s) capable of eliciting an SCE are persistent and cannot be easily repaired.
- Research Organization:
- Instituto Nacional de Investigaciones Nucleares, Mexico City, Mexico
- OSTI ID:
- 6221340
- Journal Information:
- Environ. Mutagen.; (United States), Journal Name: Environ. Mutagen.; (United States) Vol. 6:4; ISSN ENMUD
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
550400 -- Genetics
560121* -- Radiation Effects on Cells-- External Source-- (-1987)
560152 -- Radiation Effects on Animals-- Animals
59 BASIC BIOLOGICAL SCIENCES
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ANIMAL CELLS
ANIMALS
ANTIMETABOLITES
AZINES
BIOLOGICAL EFFECTS
BIOLOGICAL RADIATION EFFECTS
BIOLOGICAL RECOVERY
BIOLOGICAL REPAIR
BONE MARROW CELLS
BROMOURACILS
BUDR
CHROMOSOMAL ABERRATIONS
CONNECTIVE TISSUE CELLS
DRUGS
ELECTROMAGNETIC RADIATION
GAMMA RADIATION
GENETIC EFFECTS
GENETIC RADIATION EFFECTS
HETEROCYCLIC COMPOUNDS
HYDROXY COMPOUNDS
IN VIVO
IONIZING RADIATIONS
MAMMALS
MICE
MUTATION FREQUENCY
MUTATIONS
NUCLEOSIDES
NUCLEOTIDES
ORGANIC BROMINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
PYRIMIDINES
RADIATION EFFECTS
RADIATIONS
RADIOINDUCTION
RECOVERY
REPAIR
RIBOSIDES
RODENTS
SISTER CHROMATID EXCHANGES
SOMATIC CELLS
URACILS
VERTEBRATES
560121* -- Radiation Effects on Cells-- External Source-- (-1987)
560152 -- Radiation Effects on Animals-- Animals
59 BASIC BIOLOGICAL SCIENCES
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ANIMAL CELLS
ANIMALS
ANTIMETABOLITES
AZINES
BIOLOGICAL EFFECTS
BIOLOGICAL RADIATION EFFECTS
BIOLOGICAL RECOVERY
BIOLOGICAL REPAIR
BONE MARROW CELLS
BROMOURACILS
BUDR
CHROMOSOMAL ABERRATIONS
CONNECTIVE TISSUE CELLS
DRUGS
ELECTROMAGNETIC RADIATION
GAMMA RADIATION
GENETIC EFFECTS
GENETIC RADIATION EFFECTS
HETEROCYCLIC COMPOUNDS
HYDROXY COMPOUNDS
IN VIVO
IONIZING RADIATIONS
MAMMALS
MICE
MUTATION FREQUENCY
MUTATIONS
NUCLEOSIDES
NUCLEOTIDES
ORGANIC BROMINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
PYRIMIDINES
RADIATION EFFECTS
RADIATIONS
RADIOINDUCTION
RECOVERY
REPAIR
RIBOSIDES
RODENTS
SISTER CHROMATID EXCHANGES
SOMATIC CELLS
URACILS
VERTEBRATES