Oxygen effect and adaptive reactions of cells. Report 1. Adaptation to hypoxia associated with attenuation of its radioprotective effect. [. gamma. rays; mice]
Journal Article
·
· Radiobiology (USSR) (Engl. Transl.); (United States)
OSTI ID:5500380
In mice exposed to total-body radiation, the radioprotective effect of gas hypoxia (5 to 6% O/sub 2/ in a nitrogen and oxygen gas mixture) is at a maximum in the first 10 min after producing hypoxia, then diminishes sharply and remains stable for a long time. Evaluation was made on the basis of the criterion of survival rate, induction of chromosomal aberrations in bone marrow cells and reduction in number of endocolonies in the spleen of intact and urethane-anesthetized mice. The possible mechanisms of this phenomenon are discussed, with consideration of the dynamics of pO/sub 2/ drop in subcutaneous connective tissue.
- Research Organization:
- Oncological Research Center, Moscow, USSR
- OSTI ID:
- 5500380
- Journal Information:
- Radiobiology (USSR) (Engl. Transl.); (United States), Journal Name: Radiobiology (USSR) (Engl. Transl.); (United States) Vol. 18:4; ISSN RADBA
- Country of Publication:
- United States
- Language:
- English
Similar Records
Radioprotective properties of hypoxia after administration of antihypoxic agents. [Mice, rats, dogs, gamma radiation]
Oxygen effect and adaptation reactions of cells. Report 5. Limited use of Eh and pO/sub 2/ as quantitative indicators of modification of radiosensitivity
EFFECT OF RADIOPROTECTIVE SULPHYDRYL COMPOUNDS ON THE OXYGEN TENSION IN THE SPLEEN OF MICE
Journal Article
·
Fri Dec 31 23:00:00 EST 1976
· Radiobiology (USSR) (Engl. Transl.); (United States)
·
OSTI ID:7300323
Oxygen effect and adaptation reactions of cells. Report 5. Limited use of Eh and pO/sub 2/ as quantitative indicators of modification of radiosensitivity
Journal Article
·
Mon Oct 01 00:00:00 EDT 1979
· Radiobiology (USSR) (Engl. Transl.); (United States)
·
OSTI ID:5663016
EFFECT OF RADIOPROTECTIVE SULPHYDRYL COMPOUNDS ON THE OXYGEN TENSION IN THE SPLEEN OF MICE
Journal Article
·
Fri Feb 17 23:00:00 EST 1961
· Nature
·
OSTI ID:4070790
Related Subjects
560152* -- Radiation Effects on Animals-- Animals
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ANIMAL CELLS
ANIMALS
ANOXIA
BIOLOGICAL ADAPTATION
BIOLOGICAL EFFECTS
BIOLOGICAL RADIATION EFFECTS
BONE MARROW CELLS
CHROMOSOMAL ABERRATIONS
COLONY FORMATION
CONNECTIVE TISSUE CELLS
DATA
DATA FORMS
ELECTROMAGNETIC RADIATION
EXPERIMENTAL DATA
EXTERNAL IRRADIATION
GAMMA RADIATION
INFORMATION
IONIZING RADIATIONS
IRRADIATION
ISOLATED VALUES
MAMMALS
MICE
MUTATIONS
NUMERICAL DATA
RADIATION EFFECTS
RADIATIONS
RADIOINDUCTION
RADIOSENSITIVITY
RADIOSENSITIVITY EFFECTS
RODENTS
SOMATIC CELLS
SPLEEN COLONY FORMATION
SURVIVAL TIME
TIME DEPENDENCE
VERTEBRATES
WHOLE-BODY IRRADIATION
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ANIMAL CELLS
ANIMALS
ANOXIA
BIOLOGICAL ADAPTATION
BIOLOGICAL EFFECTS
BIOLOGICAL RADIATION EFFECTS
BONE MARROW CELLS
CHROMOSOMAL ABERRATIONS
COLONY FORMATION
CONNECTIVE TISSUE CELLS
DATA
DATA FORMS
ELECTROMAGNETIC RADIATION
EXPERIMENTAL DATA
EXTERNAL IRRADIATION
GAMMA RADIATION
INFORMATION
IONIZING RADIATIONS
IRRADIATION
ISOLATED VALUES
MAMMALS
MICE
MUTATIONS
NUMERICAL DATA
RADIATION EFFECTS
RADIATIONS
RADIOINDUCTION
RADIOSENSITIVITY
RADIOSENSITIVITY EFFECTS
RODENTS
SOMATIC CELLS
SPLEEN COLONY FORMATION
SURVIVAL TIME
TIME DEPENDENCE
VERTEBRATES
WHOLE-BODY IRRADIATION