Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
35
pubmed:dateCreated
1999-9-30
pubmed:abstractText
Extracellular factors and intracellular signaling pathways involved in early events of adipocyte differentiation are poorly defined. It is shown herein that expression of leukemia inhibitory factor (LIF) and LIF receptor is developmentally regulated during adipocyte differentiation. Preadipocytes secrete bioactive LIF, and an antagonist of LIF receptor inhibits adipogenesis. Genetically modified embryonic stem (ES) cells combined with culture conditions to commit stem cells into the adipocyte lineage were used to examine the requirement of LIF receptor during in vitro development of adipose cells. The capacity of embryoid bodies derived from lifr(-/-) ES cells to undergo adipocyte differentiation is dramatically reduced. LIF addition stimulates adipocyte differentiation of Ob1771 and 3T3-F442A preadipocytes and that of peroxisome proliferator-activated receptor gamma2 ligand-treated mouse embryonic fibroblasts. Expression of the early adipogenic transcription factors C/EBPbeta and C/EBPdelta is rapidly stimulated following exposure of preadipose cells to LIF. The selective inhibitors of mitogen-activated protein kinase kinase, i.e. PD98059 and U0126, inhibit LIF-induced C/EBP gene expression and prevent adipocyte differentiation induced by LIF. These results are in favor of a model that implicates stimulation of LIF receptor in the commitment of preadipocytes to undergo terminal differentiation by controlling the early expression of C/EBPbeta and C/EBPdelta genes via the mitogen-activated protein kinase cascade.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
http://linkedlifedata.com/resource/pubmed/chemical/CCAAT-Enhancer-Binding Protein-delta, http://linkedlifedata.com/resource/pubmed/chemical/CCAAT-Enhancer-Binding Proteins, http://linkedlifedata.com/resource/pubmed/chemical/Cebpd protein, mouse, http://linkedlifedata.com/resource/pubmed/chemical/DNA-Binding Proteins, http://linkedlifedata.com/resource/pubmed/chemical/Flavonoids, http://linkedlifedata.com/resource/pubmed/chemical/Growth Inhibitors, http://linkedlifedata.com/resource/pubmed/chemical/Interleukin-6, http://linkedlifedata.com/resource/pubmed/chemical/Leukemia Inhibitory Factor, http://linkedlifedata.com/resource/pubmed/chemical/Leukemia Inhibitory Factor..., http://linkedlifedata.com/resource/pubmed/chemical/Lif protein, mouse, http://linkedlifedata.com/resource/pubmed/chemical/Lifr protein, mouse, http://linkedlifedata.com/resource/pubmed/chemical/Lymphokines, http://linkedlifedata.com/resource/pubmed/chemical/Mitogen-Activated Protein Kinase 1, http://linkedlifedata.com/resource/pubmed/chemical/Nuclear Proteins, http://linkedlifedata.com/resource/pubmed/chemical/PD 98059, http://linkedlifedata.com/resource/pubmed/chemical/RNA, Messenger, http://linkedlifedata.com/resource/pubmed/chemical/Receptors, Cytokine, http://linkedlifedata.com/resource/pubmed/chemical/Receptors, OSM-LIF, http://linkedlifedata.com/resource/pubmed/chemical/Transcription Factors
pubmed:status
MEDLINE
pubmed:month
Aug
pubmed:issn
0021-9258
pubmed:author
pubmed:issnType
Print
pubmed:day
27
pubmed:volume
274
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
24965-72
pubmed:dateRevised
2009-11-19
pubmed:meshHeading
pubmed-meshheading:10455174-Adipocytes, pubmed-meshheading:10455174-Animals, pubmed-meshheading:10455174-CCAAT-Enhancer-Binding Protein-delta, pubmed-meshheading:10455174-CCAAT-Enhancer-Binding Proteins, pubmed-meshheading:10455174-Cell Differentiation, pubmed-meshheading:10455174-DNA-Binding Proteins, pubmed-meshheading:10455174-Enzyme Activation, pubmed-meshheading:10455174-Flavonoids, pubmed-meshheading:10455174-Gene Expression Regulation, Developmental, pubmed-meshheading:10455174-Growth Inhibitors, pubmed-meshheading:10455174-Interleukin-6, pubmed-meshheading:10455174-Leukemia Inhibitory Factor, pubmed-meshheading:10455174-Leukemia Inhibitory Factor Receptor alpha Subunit, pubmed-meshheading:10455174-Lymphokines, pubmed-meshheading:10455174-Mice, pubmed-meshheading:10455174-Mice, Knockout, pubmed-meshheading:10455174-Mitogen-Activated Protein Kinase 1, pubmed-meshheading:10455174-Nuclear Proteins, pubmed-meshheading:10455174-RNA, Messenger, pubmed-meshheading:10455174-Receptors, Cytokine, pubmed-meshheading:10455174-Receptors, OSM-LIF, pubmed-meshheading:10455174-Signal Transduction, pubmed-meshheading:10455174-Stem Cells, pubmed-meshheading:10455174-Transcription Factors
pubmed:year
1999
pubmed:articleTitle
Leukemia inhibitory factor and its receptor promote adipocyte differentiation via the mitogen-activated protein kinase cascade.
pubmed:affiliation
Centre de Biochimie (IFR349 and UMR6543 CNRS) Université de Nice-Sophia Antipolis, Faculté des Sciences, Parc Valrose, 06108 Nice, France.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't