How ERRα, PROX1, and BMAL1 Control Metabolism and Circadian Rhythms
Author Information
Author(s): Catherine R. Dufour, Marie-Pier Levasseur, Nguyen Hoai Huong Pham, Lillian J. Eichner, Brian J. Wilson, Alexis Charest-Marcotte, David Duguay, Jean-François Poirier-Héon, Nicolas Cermakian, Vincent Giguère
Primary Institution: Goodman Cancer Research Centre, McGill University, Montréal, Canada
Hypothesis
ERRα plays a central role in the control of energy metabolism and its expression is cyclic in the liver.
Conclusion
ERRα is crucial for maintaining diurnal rhythms of glucose, insulin, and other metabolic processes in mice.
Supporting Evidence
- ERRα-null mice show deregulated locomotor activity rhythms.
- ERRα directly regulates major components of the molecular clock.
- Genome-wide analyses reveal transcriptional regulatory loops among ERRα, PROX1, and BMAL1.
Takeaway
This study shows that a protein called ERRα helps keep our body's energy levels balanced throughout the day and night.
Methodology
The study involved experiments on ERRα-null mice, glucose tolerance tests, and genome-wide location analyses.
Limitations
The study primarily focused on mouse models, which may not fully represent human physiology.
Participant Demographics
Male wild-type and ERRα-null mice, aged 2-3 months.
Statistical Information
P-Value
0.0046
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website