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http://purl.uniprot.org/citations/14691372http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
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Background

The human aldehyde dehydrogenase-2 promoter contains sites that bind members of the nuclear receptor family, and one (designated FP330-3') is predicted to bind retinoic acid receptors.

Methods

Binding of retinoid receptors to the FP330-3' oligonucleotide duplex and point mutations thereof was assayed using electrophoretic mobility shift assays. The function of the promoter element was determined in transfection assays.

Results

Heterodimers of retinoic acid receptor (RAR)alpha, beta, and gamma with retinoid X receptor (RXR)alpha bound the FP330-3' site. Mutagenesis of the FP330-3' site suggested that either the upstream DR-5 or downstream DR-1 could mediate binding of RAR/RXR. FP330-3' oligonucleotide duplexes were not bound by in vitro translated RXR homodimers but weakly competed with a synthetic DR-1 oligonucleotide duplex for binding by RXR. A reporter construct carrying four copies of the FP330-3' element was induced by cotransfection of rat hepatoma cells with a construct encoding RARalpha, when the RAR-specific ligand AM580 was present. Each of the three RXR isoforms alpha, beta, and gamma stimulated the expression of reporter constructs containing the FP330-3' sites in a 9-cis retinoic acid-dependent fashion in cells in culture. This was confirmed in the case of RXRalpha using the RXR-specific ligand methoprene.

Conclusion

The human aldehyde dehydrogenase-2 promoter contains a retinoid response element, which may contribute to regulation of the gene."xsd:string
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http://purl.uniprot.org/citations/14691372http://purl.uniprot.org/core/author"Zeng Y."xsd:string
http://purl.uniprot.org/citations/14691372http://purl.uniprot.org/core/author"Galli A."xsd:string
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http://purl.uniprot.org/citations/14691372http://purl.uniprot.org/core/author"Smith J.R."xsd:string
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http://purl.uniprot.org/citations/14691372http://purl.uniprot.org/core/author"Chou W.Y."xsd:string
http://purl.uniprot.org/citations/14691372http://purl.uniprot.org/core/author"Morton M."xsd:string
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http://purl.uniprot.org/citations/14691372http://purl.uniprot.org/core/author"Pinaire J."xsd:string
http://purl.uniprot.org/citations/14691372http://purl.uniprot.org/core/date"2003"xsd:gYear
http://purl.uniprot.org/citations/14691372http://purl.uniprot.org/core/name"Alcohol Clin Exp Res"xsd:string
http://purl.uniprot.org/citations/14691372http://purl.uniprot.org/core/pages"1860-1866"xsd:string
http://purl.uniprot.org/citations/14691372http://purl.uniprot.org/core/title"Identification of a retinoid receptor response element in the human aldehyde dehydrogenase-2 promoter."xsd:string
http://purl.uniprot.org/citations/14691372http://purl.uniprot.org/core/volume"27"xsd:string
http://purl.uniprot.org/citations/14691372http://www.w3.org/2004/02/skos/core#exactMatchhttp://purl.uniprot.org/pubmed/14691372
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