The estrogen-related receptor α (ERRα) functions in PPARγ coactivator 1α (PGC-1α)-induced mitochondrial biogenesis

Schreiber, S. N. and Emter, R. and Hock, M. B. and Knutti, D. and Cardenas, J. and Podvinec, M. and Oakeley, E. J. and Kralli, A.. (2004) The estrogen-related receptor α (ERRα) functions in PPARγ coactivator 1α (PGC-1α)-induced mitochondrial biogenesis. Proceedings of the National Academy of Sciences of the United States of America, Vol. 101, H. 17. pp. 6472-6477.

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Official URL: http://edoc.unibas.ch/dok/A5259310

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Estrogen-related receptor α (ERRα) is one of the first orphan nuclear receptors to be identified, yet its physiological functions are still unclear. We show here that ERRα is an effector of the transcriptional coactivator PGC-1α [peroxisome proliferator-activated receptor γ (PPARγ) coactivator 1α], and that it regulates the expression of genes involved in oxidative phosphorylation and mitochondrial biogenesis. Inhibition of ERRα compromises the ability of PGC-1α to induce the expression of genes encoding mitochondrial proteins and to increase mitochondrial DNA content. A constitutively active form of ERRα is sufficient to elicit both responses. ERRα binding sites are present in the transcriptional control regions of ERRα/PGC-1α-induced genes and contribute to the transcriptional response to PGC-1α. The ERRα-regulated genes described here have been reported to be expressed at reduced levels in humans that are insulin-resistant. Thus, changes in ERRα activity could be linked to pathological changes in metabolic disease, such as diabetes.
Faculties and Departments:05 Faculty of Science > Departement Biozentrum > Services Biozentrum > Research IT (Podvinec)
UniBasel Contributors:Podvinec, Michael
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:National Academy of Sciences
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:18 Jul 2014 09:10
Deposited On:22 Mar 2012 13:22

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