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The circadian clock components BMAL1 and REV-ERB? regulate flavivirus replication

ABSTRACT: We investigated the effect of the REV-ERB agonists on human hepatocytes. Since SR9009 showed the highest anti-viral activity and has been extensively studied in vivo we performed a whole genome microarray on SR9009 (20 µM) treated Huh-7 cells

ORGANISM(S): Homo sapiens

PROVIDER: GSE123748 | GEO | 2018/12/13

REPOSITORIES: GEO

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SR9009 has REV-ERB-independent effects on cell proliferation and metabolism

Project description:The nuclear receptors (NRs) REV-ERBα and β, encoded by Nr1d1 and Nr1d2, link circadian rhythms and metabolism. REV-ERB lacks the canonical NR activation domain, and thus functions as a transcriptional repressor. Like other NRs, REV-ERBs can be regulated by ligands, including naturally occurring heme, which potentiate their repressive activity. Attempts to pharmacologically target REV-ERBs by the use of putatively specific synthetic agonists, particularly SR90096, have suggested a wide range of beneficial effects in healthy as well as diseased animal models and cell systems. For instance, Sulli et al. recently reported that REV-ERB activation by SR9009 is specifically lethal to cancer (stem) cells but not other cell types. Because REV-ERBs are core components of the molecular clock, the results were interpreted as a link between the body’s circadian timekeeping system and cancer. Moreover, increased energy expenditure after SR9009 administration decreases obesity in mice, and the reported activity of SR9009 as an exercise mimetic in skeletal muscle have resulted in online sales of the compound as a performance-enhancing drug, with advertisements reassuringly highlighting REV-ERBs as the molecular target (https://www.evolutionary.org/stenabolic-sr9009-review; https://www.simplyanabolics.com/sarms/sr9009-stenabolic/).

2019-05-08 | GSE123312 | GEO

The circadian clock components BMAL1 and REV-ERB? regulate flavivirus replication

Project description:The circadian clock components BMAL1 and REV-ERB? regulate flavivirus replication

| PRJNA509679 | ENA

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

Project description:This SuperSeries is composed of the following subset Series: GSE34018: Integral roles for Rev-erb alpha and Rev-erb beta in the circadian clock function [Expression array] GSE34019: Integral roles for Rev-erb alpha and Rev-erb beta in the circadian clock function [ChIP_seq] Refer to individual Series

2012-03-28 | E-GEOD-34020 | biostudies-arrayexpress

The circadian clock components BMAL1 and REV-ERB? regulate flavivirus replication.

Project description: Not available

| S-EPMC6343007 | biostudies-literature

Integral roles for Rev-erb alpha and Rev-erb beta in the circadian clock function [Expression array]

Project description:The circadian clock acts at the genomic level to coordinate internal behavioral and physiologic rhythms via the CLOCK-BMAL transcriptional heterodimer. Although the nuclear receptors REV-ERB? and ? have been proposed to contribute to clock function, their precise roles and importance remain unresolved. To establish their regulatory potential we generated comparative cistromes of both Rev-erb isoforms, which revealed shared recognition at over ~50% of their total sites and extensive overlap with the master clock regulator Bmal. While Rev-erb? has been shown to directly regulate Bmal expression, the cistromic analysis reveals a more profound connection between Bmal and Rev-erb? and ? regulatory circuits than previously suspected. Genes within the intersection of the Bmal and Rev-erb cistromes are highly enriched for both clock and metabolic functions. As predicted by the cistromic analysis, dual depletion of Rev-erb?/? function by creating double-knockout mice (DKOs) profoundly disrupted circadian expression of core clock and lipid homeostatic genes. As a result, DKOs show strikingly altered circadian wheel-running behavior and deregulated lipid metabolism. These data reveal an integral role of Rev-erb?/? in clock function as well as provide a cistromic basis for the integration of circadian rhythm and metabolism. Total RNA was obtained from livers of wild-type and Liver-specific Reverb alpha/beta double knockout mice at ZT 0, 4, 8, 12, 16, and 20.

2012-03-28 | E-GEOD-34018 | biostudies-arrayexpress

Rev-erb(alpha) and (beta) Coordinately Protect the Circadian Clock and Normal Metabolic Function

Project description:We report the genomic regions enriched for Rev-erb(beta) binding in WT mouse liver, in addition to the false positive regions enriched by ChIP for Rev-erb(alpha) in Rev-erb(alpha) KO liver. In conjunction with previously published data for Rev-erb(alpha) in GSE26345 (GSM647029, GSM647033, and GSM647034), we report the common and subtype specific cistromes for Rev-erb using a quantitative analysis method.

2012-03-09 | GSE36375 | GEO

Bmal1 and Rev-erb⍺ cistromes in skeletal muscle

Project description:We mapped the genome-wide binding profiles of BMAL1 and REV-ERB⍺ during peak protein expression of each factor (ZT4, and ZT8, respectively) by ChIP-Seq in gastrocnemius muscles from control C57BL/6J mice.

2018-07-20 | GSE108650 | GEO

The circadian clock components BMAL1 and Rev-Erb regulate flavivirus replication

Project description:detection and qunatitation of proteins by mass spectromerty to see the effect of drug treatment in human cell lines.

2019-11-12 | PXD011721 | Pride

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

Project description:The circadian clock acts at the genomic level to coordinate internal behavioral and physiologic rhythms via the CLOCK-BMAL transcriptional heterodimer. Although the nuclear receptors REV-ERBα and β have been proposed to contribute to clock function, their precise roles and importance remain unresolved. To establish their regulatory potential we generated comparative cistromes of both Rev-erb isoforms, which revealed shared recognition at over ~50% of their total sites and extensive overlap with the master clock regulator Bmal. While Rev-erbα has been shown to directly regulate Bmal expression, the cistromic analysis reveals a more profound connection between Bmal and Rev-erbα and β regulatory circuits than previously suspected. Genes within the intersection of the Bmal and Rev-erb cistromes are highly enriched for both clock and metabolic functions. As predicted by the cistromic analysis, dual depletion of Rev-erbα/β function by creating double-knockout mice (DKOs) profoundly disrupted circadian expression of core clock and lipid homeostatic genes. As a result, DKOs show strikingly altered circadian wheel-running behavior and deregulated lipid metabolism. These data reveal an integral role of Rev-erbα/β in clock function as well as provide a cistromic basis for the integration of circadian rhythm and metabolism.

2012-03-29 | GSE34019 | GEO

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

Project description:The circadian clock acts at the genomic level to coordinate internal behavioral and physiologic rhythms via the CLOCK-BMAL transcriptional heterodimer. Although the nuclear receptors REV-ERBα and β have been proposed to contribute to clock function, their precise roles and importance remain unresolved. To establish their regulatory potential we generated comparative cistromes of both Rev-erb isoforms, which revealed shared recognition at over ~50% of their total sites and extensive overlap with the master clock regulator Bmal. While Rev-erbα has been shown to directly regulate Bmal expression, the cistromic analysis reveals a more profound connection between Bmal and Rev-erbα and β regulatory circuits than previously suspected. Genes within the intersection of the Bmal and Rev-erb cistromes are highly enriched for both clock and metabolic functions. As predicted by the cistromic analysis, dual depletion of Rev-erbα/β function by creating double-knockout mice (DKOs) profoundly disrupted circadian expression of core clock and lipid homeostatic genes. As a result, DKOs show strikingly altered circadian wheel-running behavior and deregulated lipid metabolism. These data reveal an integral role of Rev-erbα/β in clock function as well as provide a cistromic basis for the integration of circadian rhythm and metabolism. Identification of Reverb alpha and Reverb beta binding sites in mouse liver at ZT8

2012-03-28 | E-GEOD-34019 | biostudies-arrayexpress

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