Stimulated hemopoiesis and enhanced survival following glucan treatment in sublethally and lethally irradiated mice
Technical Report
·
OSTI ID:5843134
Hemopoietic effects of the reticuloendothelial agent glucan were assayed in normal mice and in mice hemopoietically depleted by exposure to /sup 60/Co radiation. In normal mice, glucan administration increased the content of bone marrow and splenic transplantable pluripotent hemopoietic stem cells (CFU-2), committed granulocyte-macrophage progenitor cells (GM-CFC), and pure macrophage progenitor cells (M-CFC). Erythroid progenitor cells (CFU-e) were increased only in the spleen. In sublethally irradiated mice (650 rads), glucan increased the number of endogeneous pluripotent hemopoietic stem cells (E-CFU) when administered either before or after irradiation. The most pronounced effects were observed when glucan was administered 1 day before, 1 h before, or 1 h after irradiation. In addition, the administration of glucan before lethal irradiation (900 rads) enhanced survival. The most significant results were seen when glucan was administered 1 day prior to irradiation. The possibility of using agents such as glucan to enhance hemopoietic reconstitution and prevent septicemia following chemotherapy and/or radiotherapy is discussed.
- Research Organization:
- Armed Forces Radiobiology Research Inst., Bethesda, MD (USA)
- OSTI ID:
- 5843134
- Report Number(s):
- AD-A-164294/1/XAB; AFRRI-SR-85-39
- 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
ANIMAL TISSUES
ANIMALS
BIOLOGICAL EFFECTS
BIOLOGICAL MATERIALS
BIOLOGICAL RADIATION EFFECTS
BLOOD
BLOOD CELLS
BLOOD FORMATION
BODY
BODY FLUIDS
BONE MARROW
COBALT
DRUGS
ELEMENTS
ERYTHROCYTES
HEMATOPOIETIC SYSTEM
MAMMALS
MATERIALS
MEDICINE
METALS
MICE
NUCLEAR MEDICINE
ORGANS
PHAGOCYTES
RADIATION EFFECTS
RADIOLOGY
RADIOPROTECTIVE SUBSTANCES
RADIOSENSITIVITY EFFECTS
RADIOTHERAPY
RETICULOENDOTHELIAL SYSTEM
RODENTS
SOMATIC CELLS
SPLEEN
SURVIVAL TIME
THERAPY
TISSUES
TRANSITION ELEMENTS
VERTEBRATES
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ANIMAL CELLS
ANIMAL TISSUES
ANIMALS
BIOLOGICAL EFFECTS
BIOLOGICAL MATERIALS
BIOLOGICAL RADIATION EFFECTS
BLOOD
BLOOD CELLS
BLOOD FORMATION
BODY
BODY FLUIDS
BONE MARROW
COBALT
DRUGS
ELEMENTS
ERYTHROCYTES
HEMATOPOIETIC SYSTEM
MAMMALS
MATERIALS
MEDICINE
METALS
MICE
NUCLEAR MEDICINE
ORGANS
PHAGOCYTES
RADIATION EFFECTS
RADIOLOGY
RADIOPROTECTIVE SUBSTANCES
RADIOSENSITIVITY EFFECTS
RADIOTHERAPY
RETICULOENDOTHELIAL SYSTEM
RODENTS
SOMATIC CELLS
SPLEEN
SURVIVAL TIME
THERAPY
TISSUES
TRANSITION ELEMENTS
VERTEBRATES