How mitochondrial dynamism orchestrates mitophagy

Orian S. Shirihai, Moshi Song, Gerald W. Dorn

Research output: Contribution to journalReview articlepeer-review

124 Scopus citations

Abstract

Mitochondria are highly dynamic, except in adult cardiomyocytes. Yet, The fission and fusion-promoting proteins that mediate mitochondrial dynamism are highly expressed in, and essential to The normal functioning of, hearts. Here, we review accumulating evidence supporting important roles for mitochondrial fission and fusion in cardiac mitochondrial quality control, focusing on The PTEN-induced putative kinase 1-Parkin mitophagy pathway. Based in part on recent findings from in vivo mouse models in which mitofusin-mediated mitochondrial fusion or dynamin-related protein 1-mediated mitochondrial fission was conditionally interrupted in cardiac myocytes, we propose several new concepts that may provide insight into The cardiac mitochondrial dynamism-mitophagy interactome.

Original languageEnglish
Pages (from-to)1835-1849
Number of pages15
JournalCirculation research
Volume116
Issue number11
DOIs
StatePublished - May 22 2015

Keywords

  • Autophagy
  • Mitochondria
  • Mitochondrial dynamics
  • Parkinson disease

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