P62/SQSTM1 and Selective Autophagy in Cardiometabolic Diseases

Se Jin Jeong, Xiangyu Zhang, Astrid Rodriguez-Velez, Trent D. Evans, Babak Razani

Research output: Contribution to journalReview articlepeer-review

30 Scopus citations


Significance: p62/SQSTM1 is a multifunctional scaffolding protein involved in the regulation of various signaling pathways as well as autophagy. In particular, p62/SQSTM1 serves as an essential adaptor to identify and deliver specific organelles and protein aggregates to autophagosomes for degradation, a process known as selective autophagy. Critical Issues: With the emergence of autophagy as a critical process in cellular metabolism and the development of cardiometabolic diseases, it is increasingly important to understand p62's role in the integration of signaling and autophagic pathways. Recent Advances: This review first discusses the features that make p62/SQSTM1 an ideal chaperone in integrating signaling pathways with autophagy and details the current understanding of its diverse roles in selective autophagy processes. Distinct and overlapping roles of other chaperones with similar functions are then discussed in the context of p62/SQSTM1. Finally, the recent literature focusing on p62 and selective autophagy in metabolism and the spectrum of cardiometabolic diseases including atherosclerosis, fatty liver disease, and obesity is evaluated. Future Directions: A comprehensive understanding of the nuanced roles p62/SQSTM1 plays in mediating distinct autophagy pathways would provide new insights into the mechanisms of this critical degradative pathway. This will, in turn, facilitate our understanding of cardiovascular and cardiometabolic disease pathology and the development of novel autophagy-modulating therapeutic strategies.

Original languageEnglish
Pages (from-to)458-471
Number of pages14
JournalAntioxidants and Redox Signaling
Issue number6
StatePublished - Aug 20 2019


  • atherosclerosis
  • cardiometabolic disease
  • cardiovascular disease
  • fatty liver disease
  • p62/SQSTM1
  • selective autophagy


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