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Discrete Functions of Rev-erba Couple Metabolism to the Clock

ABSTRACT: This SuperSeries is composed of the SubSeries listed below.

OTHER RELATED OMICS DATASETS IN: PRJNA281394PRJNA281384PRJNA281393

ORGANISM(S): Mus musculus

PROVIDER: GSE67973 | GEO | 2015/06/16

SECONDARY ACCESSION(S): PRJNA281393

REPOSITORIES: GEO

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Discrete Functions of Rev-erba Couple Metabolism to the Clock [array]

Project description:Circadian and metabolic physiology are intricately intertwined, as illustrated by Rev-erb , a transcription factor (TF) that functions both as a core repressive component of the cell autonomous clock and as a regulator of metabolic genes. Here we show that Rev-erb modulates the clock and metabolism by different genomic mechanisms. Clock control requires Rev-erb to bind directly to the genome at its cognate sites, where it competes with activating ROR TFs. By contrast, Rev-erb regulates metabolic genes primarily by recruiting the HDAC3 corepressor to sites to which it is tethered by cell type-specific transcription factors. Thus, direct competition between Rev-erb and ROR TFs provides a universal mechanism for self-sustained control of molecular clock across all tissues, whereas Rev-erb utilizes lineage-determining factors to convey a tissue-specific epigenomic rhythm that regulates metabolism tailored to the specific need of that tissue. Gene expressions in wild type and RORs depleted mouse livers were compared using Affymetrix MoGene2.0st array. Four biological replicates were used for each condition.

2015-06-16 | E-GEOD-67964 | biostudies-arrayexpress

Discrete Functions of Rev-erba Couple Metabolism to the Clock [HTS]

Project description:Circadian and metabolic physiology are intricately intertwined, as illustrated by Rev-erb , a transcription factor (TF) that functions both as a core repressive component of the cell autonomous clock and as a regulator of metabolic genes. Here we show that Rev-erb modulates the clock and metabolism by different genomic mechanisms. Clock control requires Rev-erb to bind directly to the genome at its cognate sites, where it competes with activating ROR TFs. By contrast, Rev-erb regulates metabolic genes primarily by recruiting the HDAC3 corepressor to sites to which it is tethered by cell type-specific transcription factors. Thus, direct competition between Rev-erb and ROR TFs provides a universal mechanism for self-sustained control of molecular clock across all tissues, whereas Rev-erb utilizes lineage-determining factors to convey a tissue-specific epigenomic rhythm that regulates metabolism tailored to the specific need of that tissue. Biological replicates were uploaded in separated files and indicated in the file names.

2015-06-16 | E-GEOD-67962 | biostudies-arrayexpress

Discrete Functions of Rev-erba Couple Metabolism to the Clock [array]

2015-06-16 | GSE67964 | GEO

Discrete Functions of Rev-erba Couple Metabolism to the Clock [HTS]

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GENE REGULATION. Discrete functions of nuclear receptor Rev-erbα couple metabolism to the clock.

Project description:Circadian and metabolic physiology are intricately intertwined, as illustrated by Rev-erbα, a transcription factor (TF) that functions both as a core repressive component of the cell-autonomous clock and as a regulator of metabolic genes. Here, we show that Rev-erbα modulates the clock and metabolism by different genomic mechanisms. Clock control requires Rev-erbα to bind directly to the genome at its cognate sites, where it competes with activating ROR TFs. By contrast, Rev-erbα regulates metabolic genes primarily by recruiting the HDAC3 co-repressor to sites to which it is tethered by cell type-specific transcription factors. Thus, direct competition between Rev-erbα and ROR TFs provides a universal mechanism for self-sustained control of the molecular clock across all tissues, whereas Rev-erbα uses lineage-determining factors to convey a tissue-specific epigenomic rhythm that regulates metabolism tailored to the specific need of that tissue.

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HNF6 and Rev-erba Integrate Hepatic Lipid Metabolism By Overlapping and Distinct Transcriptional Mechanisms

Project description:This SuperSeries is composed of the SubSeries listed below. Refer to individual Series

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HNF6 and Rev-erba Integrate Hepatic Lipid Metabolism By Overlapping and Distinct Transcriptional Mechanisms

Project description:This SuperSeries is composed of the SubSeries listed below.

2016-06-29 | GSE83791 | GEO

Integral roles for Rev-erb alpha and Rev-erb beta in the circadian clock function

Project description:This SuperSeries is composed of the SubSeries listed below.

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Project description:This SuperSeries is composed of the SubSeries listed below.