Iodine contrast medium sensitizes cultured mammalian cells to x rays but not to. gamma. rays
Journal Article
·
· Radiat. Res.; (United States)
The influence of an iodine contrast medium on several responses to radiation was examined in mammalian cells in culture (L5178Y). The presence of the medium at the time of irradiation enhanced cell killing, frequency of micronuclei, and yield of DNA single-strand breaks induced by x rays, depending on the concentration used, whereas no such effect was found with ..gamma.. rays. It was concluded that the contrast medium sensitizes mammalian cells in culture primarily by means of the photoelectric effect, thereby increasing the absorbed dose of x rays in the cells.
- Research Organization:
- National Inst. of Radiological Sciences, Chiba-shi, Japan
- OSTI ID:
- 6758420
- Journal Information:
- Radiat. Res.; (United States), Journal Name: Radiat. Res.; (United States) Vol. 84:1; ISSN RAREA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
560121* -- Radiation Effects on Cells-- External Source-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ANIMAL CELLS
BIOLOGICAL EFFECTS
BIOLOGICAL RADIATION EFFECTS
CELL CONSTITUENTS
CELL CULTURES
CELL KILLING
CELL NUCLEI
CONTRAST MEDIA
DATA
DNA
DOSE-RESPONSE RELATIONSHIPS
DRUGS
ELECTROMAGNETIC RADIATION
ELEMENTS
EXPERIMENTAL DATA
GAMMA RADIATION
HALOGENS
INFORMATION
IODINE
IONIZING RADIATIONS
MOLECULAR WEIGHT
NONMETALS
NUCLEIC ACIDS
NUMERICAL DATA
OPTIMIZATION
ORGANIC COMPOUNDS
PHOTOELECTRIC EFFECT
RADIATION EFFECTS
RADIATIONS
RADIOSENSITIVITY EFFECTS
RADIOSENSITIZERS
RESPONSE MODIFYING FACTORS
STRAND BREAKS
SURVIVAL CURVES
TIME DEPENDENCE
X RADIATION
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ANIMAL CELLS
BIOLOGICAL EFFECTS
BIOLOGICAL RADIATION EFFECTS
CELL CONSTITUENTS
CELL CULTURES
CELL KILLING
CELL NUCLEI
CONTRAST MEDIA
DATA
DNA
DOSE-RESPONSE RELATIONSHIPS
DRUGS
ELECTROMAGNETIC RADIATION
ELEMENTS
EXPERIMENTAL DATA
GAMMA RADIATION
HALOGENS
INFORMATION
IODINE
IONIZING RADIATIONS
MOLECULAR WEIGHT
NONMETALS
NUCLEIC ACIDS
NUMERICAL DATA
OPTIMIZATION
ORGANIC COMPOUNDS
PHOTOELECTRIC EFFECT
RADIATION EFFECTS
RADIATIONS
RADIOSENSITIVITY EFFECTS
RADIOSENSITIZERS
RESPONSE MODIFYING FACTORS
STRAND BREAKS
SURVIVAL CURVES
TIME DEPENDENCE
X RADIATION