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  • 1
    Publication Date: 1998-01-07
    Description: A Sonic hedgehog (Shh) response element was identified in the chicken ovalbumin upstream promoter-transcription factor II (COUP-TFII) promoter that binds to a factor distinct from Gli, a gene known to mediate Shh signaling. Although this binding activity is specifically stimulated by Shh-N (amino-terminal signaling domain), it can also be unmasked with protein phosphatase treatment in the mouse cell line P19, and induction by Shh-N can be blocked by phosphatase inhibitors. Thus, Shh-N signaling may result in dephosphorylation of a target factor that is required for activation of COUP-TFII-, Islet1-, and Gli response element-dependent gene expression. This finding identifies another step in the Shh-N signaling pathway.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Krishnan, V -- Pereira, F A -- Qiu, Y -- Chen, C H -- Beachy, P A -- Tsai, S Y -- Tsai, M J -- New York, N.Y. -- Science. 1997 Dec 12;278(5345):1947-50.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Biology, Baylor College of Medicine, 1 Baylor Plaza, Houston, TX 77030 USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9395397" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; COUP Transcription Factor II ; COUP Transcription Factors ; Cell Line ; DNA/metabolism ; DNA-Binding Proteins/*genetics/metabolism ; Enzyme Inhibitors/pharmacology ; *Gene Expression Regulation ; Hedgehog Proteins ; Mice ; Okadaic Acid/pharmacology ; Oxazoles/pharmacology ; Phosphoprotein Phosphatases/antagonists & inhibitors/*metabolism ; Phosphorylation ; Promoter Regions, Genetic ; Proteins/*genetics/*metabolism ; *Receptors, Steroid ; Signal Transduction ; *Trans-Activators ; Transcription Factors/*genetics/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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