Hyperthermia and low dose-rate irradiation. [. gamma. rays; cultured V79 hamster cells]
Journal Article
·
· Radiology; (United States)
OSTI ID:6572642
Hyperthermia combined with /sup 60/Co gamma irradiation was studied using V79 hamster cells cultured in vitro. Modest hyperthermia (41/sup 0/C for 6 hr) enhanced the cell killing produced by acute exposure to radiation. The same treatment enhanced the effect of low dose-rate irradiation (200 rads/hr) even more. The sequence in which modest hyperthermia was combined with low dose-rate irradiation was important. Maximal enhancement was observed when hyperthermia was followed by irradiations. The probable explanation is that, by damaging the repair system, prior heat renders the cells unable to repair sublethal damage during subsequent low dose-rate irradiation.
- Research Organization:
- Columbia Univ., New York
- OSTI ID:
- 6572642
- Journal Information:
- Radiology; (United States), Journal Name: Radiology; (United States) Vol. 129:1; ISSN RADLA
- Country of Publication:
- United States
- Language:
- English
Similar Records
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Hyperthermia and radiation response of plateau phase cells. Potentiation and radiation damage repair. [X radiation]
Conference
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Fri Dec 31 23:00:00 EST 1976
·
OSTI ID:7312110
Combined effect of diethyldithiocarbamate (DCC) and modest hyperthermia on Chinese hamster (V79) cell survival and DNA strand break repair following photon irradiation
Journal Article
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Sat Sep 01 00:00:00 EDT 1984
· Int. J. Radiat. Oncol., Biol. Phys.; (United States)
·
OSTI ID:6167021
Hyperthermia and radiation response of plateau phase cells. Potentiation and radiation damage repair. [X radiation]
Journal Article
·
Thu Mar 31 23:00:00 EST 1977
· Radiat. Res.; (United States)
·
OSTI ID:7215343
Related Subjects
560121* -- Radiation Effects on Cells-- External Source-- (-1987)
560201 -- Thermal Effects-- Cells-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ANIMAL CELLS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BIOLOGICAL EFFECTS
BIOLOGICAL RADIATION EFFECTS
BIOLOGICAL RECOVERY
BIOLOGICAL REPAIR
BODY TEMPERATURE
CELL CULTURES
CELL KILLING
COBALT 60
COBALT ISOTOPES
DOSE RATES
ELECTROMAGNETIC RADIATION
GAMMA RADIATION
HEAT TREATMENTS
HYPERTHERMIA
IN VITRO
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION RADIOISOTOPES
IONIZING RADIATIONS
IRRADIATION
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
LOW DOSE IRRADIATION
MINUTES LIVING RADIOISOTOPES
NUCLEI
ODD-ODD NUCLEI
RADIATION EFFECTS
RADIATIONS
RADIOISOTOPES
RADIOSENSITIVITY EFFECTS
RECOVERY
REPAIR
TEMPERATURE EFFECTS
TIME DEPENDENCE
YEARS LIVING RADIOISOTOPES
560201 -- Thermal Effects-- Cells-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ANIMAL CELLS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BIOLOGICAL EFFECTS
BIOLOGICAL RADIATION EFFECTS
BIOLOGICAL RECOVERY
BIOLOGICAL REPAIR
BODY TEMPERATURE
CELL CULTURES
CELL KILLING
COBALT 60
COBALT ISOTOPES
DOSE RATES
ELECTROMAGNETIC RADIATION
GAMMA RADIATION
HEAT TREATMENTS
HYPERTHERMIA
IN VITRO
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION RADIOISOTOPES
IONIZING RADIATIONS
IRRADIATION
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
LOW DOSE IRRADIATION
MINUTES LIVING RADIOISOTOPES
NUCLEI
ODD-ODD NUCLEI
RADIATION EFFECTS
RADIATIONS
RADIOISOTOPES
RADIOSENSITIVITY EFFECTS
RECOVERY
REPAIR
TEMPERATURE EFFECTS
TIME DEPENDENCE
YEARS LIVING RADIOISOTOPES