August 5, 2009Clinical and Experimental Pharmacology and Physiology
Reactive oxygen species and insulin‐resistant cardiomyopathy
Population
Animal models of cardiac insulin resistance and general discussion of insulin-resistant cardiomyopathy
Design
Review
Authors
Discussion
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Implication
ROS modulation merits exploration in insulin-resistant cardiomyopathy; leaves open clinical translation from animal models.
Key Points
- This review aims to explore the links between reactive oxygen species and insulin-resistant cardiomyopathy.
- Review of animal models including high-sugar diets and genetically modified diabetic mice.
- Analysis of ROS's role in cardiac function through manipulation of anti-oxidant levels.
- Evaluation of in vivo studies considering genetic and environmental factors.
- Cardiac oxidative stress occurs alongside insulin resistance, implicating ROS in heart dysfunction.
- Manipulations of antioxidant levels demonstrate a significant role of ROS in cardiac insulin resistance.
- Insights on the induction and suppression of insulin-resistant cardiomyopathy are outlined.
Structured PICO
P
Population
Animal models of cardiac insulin resistance (including high-sugar dietary interventions, genetically modified diabetic mice, and streptozotocin-induced diabetes) and general discussion of insulin-resistant cardiomyopathy
I
Intervention
Manipulation of cardiac anti-oxidant levels (endogenously or exogenously)
O
Outcome
Cardiac manifestations associated with insulin resistance and ROS-mediated cardiomyocyte damage
This review summarizes evidence from animal models demonstrating that reactive oxygen species play a crucial role in mediating cardiomyocyte damage and dysfunction in insulin-resistant cardiomyopathy.
Cite This Study
Mellor et al. (2009) studied this question.