Bone marrow transplantation of mice exposed to a modified fission neutron (N/G-30:1) field
Journal Article
·
· Radiat. Res.; (United States)
A special exposure design was used in conjunction with the Armed Forces Radiobiology Research Institute's Training Research Isotope General Atomic Reactor to yield a fission neutron dose-to-..gamma.. dose (N/G) ratio of 30:1. The LD/sub 50///sub 30/ for mice exposed in this facility was 371 +/- 4 rad, while 879 +/- 14 rad (RBE-2.4) was the LD/sub 50///sub 30/ for mice exposed to /sup 60/Co. A narrow dose range of 375 to 425 rad was found in which mice exposed in the modified fission field died 8-15 days later, a time frame characteristic of hematopoietic failure. In this dose range, 5 x 10/sup 6/ syngeneic marrow cells resulted in 77% 30-day survival. The number of bone marrow cells needed to rescue neutron-irradiated mice was greater than the number needed to rescue /sup 60/Co-irradiated mice.
- Research Organization:
- Armed Forces Radiobiology Research Inst., Bethesda, MD
- OSTI ID:
- 6374694
- Journal Information:
- Radiat. Res.; (United States), Journal Name: Radiat. Res.; (United States) Vol. 92:2; ISSN RAREA
- Country of Publication:
- United States
- Language:
- English
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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
BARYONS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BIOLOGICAL EFFECTS
BIOLOGICAL RADIATION EFFECTS
BONE MARROW CELLS
COBALT 60
COBALT ISOTOPES
CONNECTIVE TISSUE CELLS
DOSES
DOSIMETRY
ELECTROMAGNETIC RADIATION
ELEMENTARY PARTICLES
FERMIONS
FISSION NEUTRONS
GAMMA RADIATION
HADRONS
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION RADIOISOTOPES
IONIZING RADIATIONS
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
LETHAL DOSES
LETHAL RADIATION DOSE
MAMMALS
MICE
MINUTES LIVING RADIOISOTOPES
MORTALITY
NEUTRON DOSIMETRY
NEUTRONS
NUCLEI
NUCLEONS
ODD-ODD NUCLEI
RADIATION DOSES
RADIATION EFFECTS
RADIATIONS
RADIOINDUCTION
RADIOISOTOPES
RODENTS
SOMATIC CELLS
VERTEBRATES
YEARS LIVING RADIOISOTOPES
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ANIMAL CELLS
ANIMALS
BARYONS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BIOLOGICAL EFFECTS
BIOLOGICAL RADIATION EFFECTS
BONE MARROW CELLS
COBALT 60
COBALT ISOTOPES
CONNECTIVE TISSUE CELLS
DOSES
DOSIMETRY
ELECTROMAGNETIC RADIATION
ELEMENTARY PARTICLES
FERMIONS
FISSION NEUTRONS
GAMMA RADIATION
HADRONS
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION RADIOISOTOPES
IONIZING RADIATIONS
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
LETHAL DOSES
LETHAL RADIATION DOSE
MAMMALS
MICE
MINUTES LIVING RADIOISOTOPES
MORTALITY
NEUTRON DOSIMETRY
NEUTRONS
NUCLEI
NUCLEONS
ODD-ODD NUCLEI
RADIATION DOSES
RADIATION EFFECTS
RADIATIONS
RADIOINDUCTION
RADIOISOTOPES
RODENTS
SOMATIC CELLS
VERTEBRATES
YEARS LIVING RADIOISOTOPES