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PredicateObject
rdf:type
lifeskim:mentions
pubmed:dateCreated
1988-4-1
pubmed:abstractText
The conditioned media of 34 human tumor cell lines were screened for the ability to induce granulocyte-macrophage colonies in vitro in bone marrow cultures, to stimulate proliferation of a murine IL-3 dependent hemopoietic cell line (32D clone 3) and to stimulate thymidine incorporation in suspension cultures of acute myelogenous leukemia cells. Twelve tumor cell lines produced factors that were active in these assays. The conditioned medium of the glioblastoma cell line U87 MG was characterized in detail and found to contain G-CSF and GM-CSF. Cloning and sequencing of the U87 MG G-CSF indicated that it was derived from G-CSF b mRNA, which encodes a protein with a deletion of 3 amino acids at residues 36-38. The gene for G-CSF was mapped to human chromosome 17 band q21, a region involved in translocations frequently found in acute promyelocytic leukemia. G-CSF (U87MG) was able to induce granulocytic differentiation of the total population of a murine IL-3 dependent cell line, 32D clone 3; this effect was antagonized by IL-3. GM-CSF (U87-MG) supported the proliferation without inducing differentiation of two growth factor-dependent leukemic cell lines, TALL 101 and AML-193.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
0077-8923
pubmed:author
pubmed:issnType
Print
pubmed:volume
511
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
30-8
pubmed:dateRevised
2007-11-15
pubmed:meshHeading
pubmed:year
1987
pubmed:articleTitle
Tumor-derived growth factors that support proliferation and differentiation of normal and leukemic hemopoietic cells.
pubmed:affiliation
Wistar Institute of Anatomy and Biology, Philadelphia, Pennsylvania 19104.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S., Research Support, Non-U.S. Gov't