PMID:17996965

Citation	Wang, J, Liu, N, Liu, Z, Li, Y, Song, C, Yuan, H, Li, YY, Zhao, X and Lu, H (2008) The orphan nuclear receptor Rev-erbbeta recruits Tip60 and HDAC1 to regulate apolipoprotein CIII promoter. Biochim. Biophys. Acta 1783:224-36
Abstract	Nuclear hormone receptors function as ligand activated transcription factors. Ligand binding and modification such as acetylation have been reported to regulate nuclear hormone receptors. The orphan receptors, Rev-erbalpha and Rev-erbbeta, are members of the nuclear receptor superfamily and act as transcriptional repressors. In this study, the role of recruitment of co-factors by Rev-erbbeta and acetylation of Rev-erbbeta in modulating apolipoprotein CIII (apoCIII) transcription were investigated. Rev-erbbeta was found to transcriptionally repress apoCIII after binding to the apoCIII promoter. Tip60, a histone acetyl-transferase (HAT), was a novel binding partner for Rev-erbbeta and recruited to the apoCIII promoter by Rev-erbbeta. Tip60 was able to acetylate Rev-erbbeta and relieve the apoCIII repression mediated by Rev-erbbeta. This de-repression effect depended on acetylation of Rev-erbbeta at its RXKK motif by Tip60. In addition, histone deacetylase 1 (HDAC1) interacted with Rev-erbbeta and was recruited to the apoCIII promoter by Rev-erbbeta to antagonize Tip60's activity. Taken together, we have provided evidence that Rev-erbbeta modulates the apoCIII gene expression by recruiting different transcription co-activator or co-repressor.
Links	PubMed Online version:10.1016/j.bbamcr.2007.09.004
Keywords	Acetylation; Amino Acid Sequence; Apolipoprotein C-III/genetics; Base Sequence; Cell Line; Gene Expression Regulation; Histone Acetyltransferases/metabolism; Histone Deacetylase 1; Histone Deacetylases/metabolism; Humans; Molecular Sequence Data; Promoter Regions, Genetic/genetics; Protein Binding; Protein Interaction Mapping; Protein Transport; Receptors, Cytoplasmic and Nuclear/chemistry; Receptors, Cytoplasmic and Nuclear/metabolism; Repressor Proteins/chemistry; Repressor Proteins/metabolism; Subcellular Fractions; Transcription Factors/chemistry; Transcription Factors/metabolism; Transcription, Genetic
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Annotations

Gene product	Qualifier	GO Term	Evidence Code	with/from	Aspect	Extension	Notes	Status
HUMAN:HDAC1	enables	GO:0005515: protein binding	ECO:0000353: physical interaction evidence used in manual assertion	UniProtKB:Q14995	F		Seeded From UniProt	complete
HUMAN:NR1D2	enables	GO:0000978: RNA polymerase II cis-regulatory region sequence-specific DNA binding	ECO:0000314: direct assay evidence used in manual assertion		F		Seeded From UniProt	complete
HUMAN:NR1D2	involved_in	GO:0045892: negative regulation of transcription, DNA-templated	ECO:0000314: direct assay evidence used in manual assertion		P		Seeded From UniProt	complete
HUMAN:NR1D2	located_in	GO:0005634: nucleus	ECO:0000314: direct assay evidence used in manual assertion		C		Seeded From UniProt	complete
HUMAN:NR1D2	enables	GO:0005515: protein binding	ECO:0000353: physical interaction evidence used in manual assertion	UniProtKB:Q13547	F		Seeded From UniProt	complete
HUMAN:NR1D2	enables	GO:0005515: protein binding	ECO:0000353: physical interaction evidence used in manual assertion	UniProtKB:Q92993	F		Seeded From UniProt	complete
HUMAN:KAT5	located_in	GO:0005634: nucleus	ECO:0000314: direct assay evidence used in manual assertion		C		Seeded From UniProt	complete
HUMAN:KAT5	enables	GO:0005515: protein binding	ECO:0000353: physical interaction evidence used in manual assertion	UniProtKB:Q14995	F		Seeded From UniProt	complete
HUMAN:KAT5	part_of	GO:0005634: nucleus	ECO:0000314: direct assay evidence used in manual assertion		C		Seeded From UniProt	complete
HUMAN:KAT5	enables	GO:0004402: histone acetyltransferase activity	ECO:0000315: mutant phenotype evidence used in manual assertion		F		Seeded From UniProt	complete
HUMAN:HDAC1	enables	GO:0004407: histone deacetylase activity	ECO:0000315: mutant phenotype evidence used in manual assertion		F		Seeded From UniProt	complete

References

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