Targeting Select Cellular Stress Pathways to Prevent Hyperglycemia-Related Complications: Shifting the Paradigm

Arshag D Mooradian1

  • 1Department of Medicine, University of Florida College of Medicine, 653-1 West Eighth Street, Jacksonville, FL, 32209, USA. arshag.mooradian@jax.ufl.edu.

Drugs
|July 2, 2016
PubMed

Insights

New diabetes therapies should target multiple cellular stresses, not just oxidative stress. Addressing oxidative, ER, mitochondrial, and inflammatory stresses simultaneously offers a more effective approach to preventing diabetic complications.

Area of Science:

  • Biochemistry
  • Cellular Biology
  • Diabetology

Background:

  • Despite advances, diabetes complications pose significant risks.
  • Glucotoxicity involves polyol, protein kinase C (PKC), glycosylation, and oxidative stress pathways.
  • Emerging research highlights crosstalk between oxidative stress and ER, inflammatory, and mitochondrial stresses.

Purpose of the Study:

  • To review the multifaceted pathogenesis of diabetic complications.
  • To evaluate the limitations of targeting individual stress pathways.
  • To propose a novel therapeutic strategy for diabetic complications.

Main Methods:

  • Literature review of biochemical pathways contributing to glucotoxicity.
  • Analysis of the role of cellular stress crosstalk in diabetes.
  • Evaluation of antioxidant therapy outcomes in diabetic research.

Main Results:

  • Oxidative stress is a central but not sole contributor to glucotoxicity.
  • Targeting only oxidative stress with antioxidants has yielded unfavorable clinical outcomes.
  • Antioxidants may exacerbate endoplasmic reticulum (ER) stress in certain contexts.

Conclusions:

  • Selective targeting of individual cellular stresses is insufficient for preventing diabetic complications.
  • Future therapeutic agents should aim to globally ameliorate cellular stress.
  • Simultaneous targeting of oxidative, ER, mitochondrial, and inflammatory stresses is a promising strategy.

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