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Ubiquitin-conjugating enzyme E2 for regulating autophagy in diabetic cardiomyopathy: A mini-review

Yueran Zhou1, Zequn Zheng1, Shenglin Wu1

  • 1Institute of Clinical Electrocardiology, First Affiliated Hospital of Shantou University Medical College, Shantou, China.

Journal of Diabetes
|December 5, 2023
PubMed

Insights

Impaired autophagy contributes to diabetic cardiomyopathy (DCM). Ubc9, a key SUMOylation enzyme, positively regulates autophagy in heart cells, offering potential therapeutic strategies for DCM.

Area of Science:

  • Cardiology
  • Molecular Biology
  • Biochemistry

Background:

  • Diabetic cardiomyopathy (DCM) is a growing cardiovascular complication of diabetes mellitus (DM).
  • Impaired autophagy in cardiomyocytes is increasingly implicated in DCM pathogenesis.
  • Protein quality control mechanisms, including SUMOylation and the ubiquitin-proteasome system, are crucial in the heart.

Purpose of the Study:

  • To review the role of autophagy in DCM.
  • To explore the potential of Ubc9-regulated autophagy pathways in ameliorating DCM.
  • To highlight Ubc9 as a potential therapeutic target for DCM.

Main Methods:

  • Literature review focusing on autophagy, SUMOylation, and DCM.
  • Analysis of the role of ubiquitin-conjugating enzyme E2 (Ubc9) in cardiomyocyte autophagy.
  • Examination of Ubc9's cardioprotective effects in the context of DCM.

Main Results:

  • Ubc9 positively regulates autophagy in cardiomyocytes.
  • Ubc9 has potential cardioprotective effects relevant to DCM.
  • Evidence suggests Ubc9's role in mitigating the proteotoxic environment in DCM.

Conclusions:

  • Autophagy plays a significant role in the development of DCM.
  • Ubc9-mediated regulation of autophagy presents a promising therapeutic avenue for DCM.
  • Targeting Ubc9 may offer novel insights and treatments for diabetic cardiomyopathy.

Keywords:
Ubc9autophagydiabetic cardiomyopathytarget

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