Hepatic microRNA Expression by PGC-1α and PGC-1β in the Mouse

Int J Mol Sci. 2019 Nov 15;20(22):5735. doi: 10.3390/ijms20225735.

Abstract

The fine-tuning of liver metabolism is essential to maintain the whole-body homeostasis and to prevent the onset of diseases. The peroxisome proliferator-activated receptor-γ coactivators (PGC-1s) are transcriptional key players of liver metabolism, able to regulate mitochondrial function, gluconeogenesis and lipid metabolism. Their activity is accurately modulated by post-translational modifications. Here, we showed that specific PGC-1s expression can lead to the upregulation of different microRNAs widely implicated in liver physiology and diseases development and progression, thus offering a new layer of complexity in the control of hepatic metabolism.

Keywords: PGC-1; coactivators; liver diseases; liver metabolism; microRNA.

MeSH terms

  • Animals
  • Female
  • Liver / metabolism*
  • Liver Diseases / metabolism
  • Mice
  • MicroRNAs / genetics
  • MicroRNAs / metabolism*
  • Peroxisome Proliferator-Activated Receptor Gamma Coactivator 1-alpha / genetics
  • Peroxisome Proliferator-Activated Receptor Gamma Coactivator 1-alpha / metabolism*
  • Real-Time Polymerase Chain Reaction

Substances

  • MicroRNAs
  • Peroxisome Proliferator-Activated Receptor Gamma Coactivator 1-alpha
  • Ppargc1a protein, mouse