Jun 18, 2011

New insights into insulin resistance in the diabetic heart

Trends in Endocrinology and Metabolism : TEM
Susan Gray, Jason K Kim

Abstract

Insulin resistance is a major characteristic of obesity and type 2 diabetes, and develops in multiple organs, including the heart. Compared with its role in other organs, the physiological role of insulin resistance in the heart is not well understood. The heart uses lipid as a primary fuel, but glucose becomes an important source of energy in ischemia. The impaired ability to utilize glucose might contribute to cell death and abnormal function in the diabetic heart. Recent discoveries regarding the role of inflammation, mitochondrial dysfunction and endoplasmic reticulum (ER) stress in obesity have advanced our understanding of how insulin resistance develops in peripheral organs. In this review, we examine these findings in relation to the diabetic heart to provide new insights into the mechanism of cardiac insulin resistance.

  • References79
  • Citations47

References

  • References79
  • Citations47

Citations

Mentioned in this Paper

CD36 Antigens
Metabolic Process, Cellular
Ischemia
Diabetes Mellitus, Non-Insulin-Dependent
Pathogenic Aspects
Biochemical Pathway
Insulin Sensitivity
PPARA wt Allele
Phosphatidylinositols
TOR complex 2

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