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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
4
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pubmed:dateCreated |
1993-4-8
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pubmed:abstractText |
Previous studies suggest that the radiosensitivity and origin of tissue macrophage precursors differ from those of hemopoietic macrophage colony-forming units (CFU-Ms) committed to macrophage-lineage cells. We assessed the origins of tissue macrophage colony-forming cells (M-CFCs) in mice by comparing their kinetics and radiosensitivities in the normal steady state and under the conditions of bone marrow depletion by 89Sr-administration and/or splenectomy. The results indicate that the radiosensitive peritoneal M-CFCs elicited by thioglycollate are derived from bone marrow macrophage precursors; where as alveolar M-CFCs, which are radioresistant, are self-sustained locally and independent of hemopoietic macrophage precursors. In contrast, highly radiosensitive liver M-CFCs are probably derived from CFU-Ms that appear to be propagated in the spleen in association with hemopoietic responses.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
|
pubmed:chemical | |
pubmed:status |
MEDLINE
|
pubmed:month |
Dec
|
pubmed:issn |
0449-3060
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
33
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
334-41
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:1293303-Animals,
pubmed-meshheading:1293303-Bone Marrow,
pubmed-meshheading:1293303-Bone Marrow Cells,
pubmed-meshheading:1293303-Female,
pubmed-meshheading:1293303-Macrophages,
pubmed-meshheading:1293303-Mice,
pubmed-meshheading:1293303-Mice, Inbred C3H,
pubmed-meshheading:1293303-Radiation Tolerance,
pubmed-meshheading:1293303-Stem Cells,
pubmed-meshheading:1293303-Strontium Radioisotopes
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pubmed:year |
1992
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pubmed:articleTitle |
Heterogeneity of the radiosensitivity and origins of tissue macrophage colony-forming cells.
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pubmed:affiliation |
Division of Comparative Radiotoxicology, National Institute of Radiological Sciences, Chiba, Japan.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
|