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Mol Cell Endocrinol. 2011 Mar 1;334(1-2):91-7. doi: 10.1016/j.mce.2010.06.012. Epub 2010 Jul 1.

The challenge of modeling nuclear receptor regulatory networks in mammalian cells.

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Department of Ecology and Evolution, Biophore, University of Lausanne, Lausanne CH-1015, Switzerland.


Nuclear receptors are a major component of signal transduction in animals. They mediate the regulatory activities of many hormones, nutrients and metabolites on the homeostasis and physiology of cells and tissues. It is of high interest to model the corresponding regulatory networks. While molecular and cell biology studies of individual promoters have provided important mechanistic insight, a more complex picture is emerging from genome-wide studies. The regulatory circuitry of nuclear receptor regulated gene expression networks, and their response to cellular signaling, appear highly dynamic, and involve long as well as short range chromatin interactions. We review how progress in understanding the kinetics and regulation of cofactor recruitment, and the development of new genomic methods, provide opportunities but also a major challenge for modeling nuclear receptor mediated regulatory networks.

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