Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
11
pubmed:dateCreated
1993-11-1
pubmed:abstractText
The pathophysiological abnormalities leading to marrow failure and leukemogenesis in children with Fanconi anemia (FA) are not understood. We tested the hypothesis that the Fanconi anemia mutation results in insufficient production of hematopoietic growth factors by stromal cells by quantifying constitutive and induced production of interleukin-6 (IL-6), granulocyte-macrophage colony-stimulating factor (GM-CSF), granulocyte colony-stimulating factor (G-CSF), macrophage colony-stimulating factor (M-CSF), and steel factor (SF) by untransformed fibroblasts from eight patients with FA from five different families. While no abnormalities were noted in SF or M-CSF production, we noted substantial variability in IL-6, GM-CSF, and G-CSF responses of cells obtained from different FA patients. Responses ranged from blunting to augmentation when compared to normal controls. Because there was variation between fibroblast strains from affected members of two multiplex sibships, however, it is clear that neither augmentation nor blunting is a direct effect of the FA mutations. In addition, because there was discordance between the G-CSF responses and the GM-CSF and IL-6 responses, the abnormalities noted in IL-1 responsiveness must lie distal to IL-1 receptor function and to stimulus-response coupling pathways shared between the three cytokines.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Oct
pubmed:issn
0301-472X
pubmed:author
pubmed:issnType
Print
pubmed:volume
21
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1419-26
pubmed:dateRevised
2007-11-14
pubmed:meshHeading
pubmed:year
1993
pubmed:articleTitle
Constitutive and induced expression of hematopoietic growth factor genes by fibroblasts from children with Fanconi anemia.
pubmed:affiliation
Oregon Health Sciences University, Portland 97201.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S., Research Support, U.S. Gov't, Non-P.H.S., Research Support, Non-U.S. Gov't