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Published on: September 28, 2017
The REV-ERBs and RORs: molecular links between circadian rhythms and lipid homeostasis
Laura A Solt1, Douglas J Kojetin, Thomas P Burris
1The Scripps Research Institute, Jupiter, FL 33458, USA.
Abstract:
Research efforts spanning the past two decades have established a clear link between nuclear receptor function, regulation of the circadian clock and lipid homeostasis. As such, this family of receptors represents an important area of research. Recent advances in the field have identified two nuclear receptor subfamilies, the REV-ERBs and the 'retinoic acid receptor-related orphan receptors' (RORs), as critical regulators of the circadian clock with significant roles in lipid homeostasis. In this review, the latest information garnered from cutting-edge research on these two nuclear receptor subfamilies will be discussed. Through direct targeting of the REV-ERBs and RORs with synthetic ligands, generation of novel tools aimed at characterizing their function in vivo have been developed, which may lead to novel therapeutics for the treatment of metabolic disorders.
Insights
Nuclear receptors, specifically REV-ERBs and RORs, regulate the circadian clock and lipid homeostasis. Targeting these receptors offers potential for new metabolic disorder treatments.
Area of Science:
- Molecular biology
- Endocrinology
- Chronobiology
Background:
- Nuclear receptors are crucial for regulating gene expression.
- The circadian clock governs daily biological rhythms.
- Lipid homeostasis is vital for metabolic health.
Purpose of the Study:
- To review recent advances in understanding REV-ERBs and RORs.
- To highlight their roles in circadian rhythm and lipid metabolism.
- To explore therapeutic potential for metabolic disorders.
Main Methods:
- Literature review of current research.
- Analysis of studies on REV-ERBs and RORs.
- Discussion of in vivo characterization tools.
Main Results:
- REV-ERBs and RORs are key regulators of the circadian clock.
- These nuclear receptors significantly impact lipid homeostasis.
- Synthetic ligands and novel tools have been developed.
Conclusions:
- REV-ERBs and RORs are critical nodes linking circadian rhythms and metabolism.
- Targeting these receptors presents a promising therapeutic strategy.
- Further research may yield novel treatments for metabolic diseases.
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