The orphan receptor Rev-erbα gene is a target of the circadian clock pacemaker

Gérard Triqueneaux, Sandrine Thenot, Tomoko Kakizawa, Marina P. Antoch, Rachid Safi, Joseph S. Takahashi, Franck Delaunay, Vincent Laudet

Research output: Contribution to journalArticle

112 Citations (Scopus)

Abstract

Rev-erbα is a ubiquitously expressed orphan nuclear receptor which functions as a constitutive transcriptional repressor and is expressed in vertebrates according to a robust circadian rhythm. We report here that two Rev-erbα mRNA isoforms, namely Rev-erbα 1 and Rev-erbα2, are generated through alternative promoter usage and that both show a circadian expression pattern in an in vitro system using serum-shocked fibroblasts. Both promoter regions P1 (Rev-erbα 1) and P2 (Rev-erbα2) contain several E-box DNA sequences which function as response elements for the core circadian-clock components: CLOCK and BMAL1. The CLOCK-BMAL1 heterodimer stimulates the activity of both P1 and P2 promoters in transient transfection assay by 3-6-fold. This activation was inhibited by the overexpression of CRY1, a component of the negative limb of the circadian transcriptional loop. Critical E-box elements were mapped within both promoters. This regulation is conserved in vertebrates since we found that the CLOCK-BMAL1 heterodimer also regulates the zebrafish Rev-erbα gene. In line with these data Rev-erbα circadian expression was strongly impaired in the livers of Clock mutant mice and in the pineal glands of zebrafish embryos treated with Clock and Bmal1 antisense oligonucleotides. Together these data demonstrate that CLOCK is a critical regulator of Rev-erbα circadian gene expression in evolutionarily distant vertebrates and suggest a role for Rev-erbα in the circadian clock output.

Original languageEnglish (US)
Pages (from-to)585-608
Number of pages24
JournalJournal of Molecular Endocrinology
Volume33
Issue number3
DOIs
StatePublished - Dec 2004

Fingerprint

rev Genes
Circadian Clocks
E-Box Elements
Vertebrates
Zebrafish
Orphan Nuclear Receptors
RNA Isoforms
Pineal Gland
Antisense Oligonucleotides
Response Elements
Circadian Rhythm
Genetic Promoter Regions
Transfection
Embryonic Structures
Extremities
Fibroblasts
Gene Expression
Liver
Serum

ASJC Scopus subject areas

  • Endocrinology

Cite this

Triqueneaux, G., Thenot, S., Kakizawa, T., Antoch, M. P., Safi, R., Takahashi, J. S., ... Laudet, V. (2004). The orphan receptor Rev-erbα gene is a target of the circadian clock pacemaker. Journal of Molecular Endocrinology, 33(3), 585-608. https://doi.org/10.1677/jme.1.01554

The orphan receptor Rev-erbα gene is a target of the circadian clock pacemaker. / Triqueneaux, Gérard; Thenot, Sandrine; Kakizawa, Tomoko; Antoch, Marina P.; Safi, Rachid; Takahashi, Joseph S.; Delaunay, Franck; Laudet, Vincent.

In: Journal of Molecular Endocrinology, Vol. 33, No. 3, 12.2004, p. 585-608.

Research output: Contribution to journalArticle

Triqueneaux, G, Thenot, S, Kakizawa, T, Antoch, MP, Safi, R, Takahashi, JS, Delaunay, F & Laudet, V 2004, 'The orphan receptor Rev-erbα gene is a target of the circadian clock pacemaker', Journal of Molecular Endocrinology, vol. 33, no. 3, pp. 585-608. https://doi.org/10.1677/jme.1.01554
Triqueneaux, Gérard ; Thenot, Sandrine ; Kakizawa, Tomoko ; Antoch, Marina P. ; Safi, Rachid ; Takahashi, Joseph S. ; Delaunay, Franck ; Laudet, Vincent. / The orphan receptor Rev-erbα gene is a target of the circadian clock pacemaker. In: Journal of Molecular Endocrinology. 2004 ; Vol. 33, No. 3. pp. 585-608.
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