Cardiac ubiquitin ligases: Their role in cardiac metabolism, autophagy, cardioprotection and therapeutic potential

Traci L. Parry, Monte Willis

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Both the ubiquitin-proteasome system (UPS) and the lysosomal autophagy system have emerged as complementary key players responsible for the turnover of cellular proteins. The regulation of protein turnover is critical to cardiomyocytes as post-mitotic cells with very limited regenerative capacity. In this focused review, we describe the emerging interface between the UPS and autophagy, with E3's regulating autophagy at two critical points through multiple mechanisms. Moreover, we discuss recent insights in how both the UPS and autophagy can alter metabolism at various levels, to present new ways to think about therapeutically regulating autophagy in a focused manner to optimize disease-specific cardioprotection, without harming the overall homeostasis of protein quality control. This article is part of a Special Issue entitled: The role of post-translational protein modifications on heart and vascular metabolism edited by Jason R.B. Dyck & Jan F.C. Glatz.

Original languageEnglish (US)
Pages (from-to)2259-2269
Number of pages11
JournalBiochimica et Biophysica Acta - Molecular Basis of Disease
Volume1862
Issue number12
DOIs
StatePublished - Dec 1 2016
Externally publishedYes

Fingerprint

Autophagy
Ligases
Ubiquitin
Proteasome Endopeptidase Complex
Therapeutics
Proteins
Post Translational Protein Processing
Cardiac Myocytes
Quality Control
Blood Vessels
Homeostasis

Keywords

  • Autophagy
  • Heart failure
  • Metabolism
  • Therapy
  • Ubiquitin ligases
  • Ubiquitin-proteasome system

ASJC Scopus subject areas

  • Molecular Medicine
  • Molecular Biology

Cite this

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