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      Metabolic control of mitochondrial biogenesis through the PGC-1 family regulatory network.

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      Biochimica et biophysica acta
      Elsevier BV

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          Abstract

          The PGC-1 family of regulated coactivators, consisting of PGC-1α, PGC-1β and PRC, plays a central role in a regulatory network governing the transcriptional control of mitochondrial biogenesis and respiratory function. These coactivators target multiple transcription factors including NRF-1, NRF-2 and the orphan nuclear hormone receptor, ERRα, among others. In addition, they themselves are the targets of coactivator and co-repressor complexes that regulate gene expression through chromatin remodeling. The expression of PGC-1 family members is modulated by extracellular signals controlling metabolism, differentiation or cell growth and in some cases their activities are known to be regulated by post-translational modification by the energy sensors, AMPK and SIRT1. Recent gene knockout and silencing studies of many members of the PGC-1 network have revealed phenotypes of wide ranging severity suggestive of complex compensatory interactions or broadly integrative functions that are not exclusive to mitochondrial biogenesis. The results point to a central role for the PGC-1 family in integrating mitochondrial biogenesis and energy production with many diverse cellular functions. This article is part of a Special Issue entitled: Mitochondria and Cardioprotection.

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          Author and article information

          Journal
          Biochim Biophys Acta
          Biochimica et biophysica acta
          Elsevier BV
          0006-3002
          0006-3002
          Jul 2011
          : 1813
          : 7
          Affiliations
          [1 ] Department of Cell and Molecular Biology, Northwestern Medical School, 303 East Chicago Avenue, Chicago, IL 60611, USA. rsc248@northwestern.edu
          Article
          S0167-4889(10)00260-0 NIHMS248024
          10.1016/j.bbamcr.2010.09.019
          3035754
          20933024
          cd9b992c-d063-437b-ba41-f04b594e1ce3
          Copyright © 2010 Elsevier B.V. All rights reserved.
          History

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