Source:http://linkedlifedata.com/resource/pubmed/id/15178446
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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
2
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pubmed:dateCreated |
2004-6-4
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pubmed:abstractText |
A chimeric toxin in which the cell-surface binding domain of Pseudomonas exotoxin A was replaced with mature human granulocyte colony-stimulating factor (G-CSF) was produced in Escherichia coli, purified and tested for its biological activity on the human G-CSF-responsive myeloid leukemia cell line, UT7/GR. This fusion protein, termed G-CSF-PE40, showed potent cytotoxicity in the cell line in a dose-dependent manner. G-CSF-PE40 displaced binding of biotinylated G-CSF to its receptor, and the cytotoxicity of G-CSF-PE40 was neutralized by an excess of wild-type G-CSF, indicating the receptor-mediated effects of this chimeric toxin. When G-CSF-PE40 was injected into normal mice, they showed transient neutropenia but no significant changes in the numbers of red blood cells or platelets. Furthermore, G-CSF-PE40 prolonged the survival of mice transplanted with syngeneic myeloid leukemia cells. These observations suggest that G-CSF-PE40 may be useful in targeted therapy of myeloid leukemia cells expressing G-CSF receptors.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Jun
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pubmed:issn |
0006-291X
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:day |
25
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pubmed:volume |
319
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
582-9
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:15178446-Animals,
pubmed-meshheading:15178446-Bacterial Toxins,
pubmed-meshheading:15178446-Cell Line, Tumor,
pubmed-meshheading:15178446-Electrophoresis, Polyacrylamide Gel,
pubmed-meshheading:15178446-Humans,
pubmed-meshheading:15178446-Leukemia, Myeloid,
pubmed-meshheading:15178446-Mice,
pubmed-meshheading:15178446-Mice, Inbred C57BL,
pubmed-meshheading:15178446-Neutrophils,
pubmed-meshheading:15178446-Receptors, Granulocyte Colony-Stimulating Factor
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pubmed:year |
2004
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pubmed:articleTitle |
Potent receptor-mediated cytotoxicity of granulocyte colony-stimulating factor-Pseudomonas exotoxin, a fusion protein against myeloid leukemia cells.
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pubmed:affiliation |
Department of Hematology/Oncology, The Institutes of Medical Science, The University of Tokyo, Tokyo 108-8639, Japan.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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