التفاصيل البيبلوغرافية
| العنوان: |
Defective insulin signaling and mitochondrial dynamics in diabetic cardiomyopathy. |
| المؤلفون: |
Westermeier, Francisco1, Navarro-Marquez, Mario1, López-Crisosto, Camila1, Bravo-Sagua, Roberto1, Quiroga, Clara1, Bustamante, Mario1, Verdejo, Hugo E.2, Zalaquett, Ricardo2, Ibacache, Mauricio3, Parra, Valentina1,4,5, Castro, Pablo F.2, Rothermel, Beverly A.4,5, Hill, Joseph A.4,5, Lavandero, Sergio1,4,5 slavander@uchile.cl |
| المصدر: |
BBA - Molecular Cell Research. May2015, Vol. 1853 Issue 5, p1113-1118. 6p. |
| مصطلحات موضوعية: |
*DIABETIC cardiomyopathy, *TYPE 2 diabetes complications, *INSULIN resistance, *MITOCHONDRIAL physiology, *HEART metabolism, *ADENOSINE triphosphate, *THERAPEUTICS |
| مستخلص: |
Diabetic cardiomyopathy (DCM) is a common consequence of longstanding type 2 diabetes mellitus (T2DM) and encompasses structural, morphological, functional, and metabolic abnormalities in the heart. Myocardial energy metabolism depends on mitochondria, which must generate sufficient ATP to meet the high energy demands of the myocardium. Dysfunctional mitochondria are involved in the pathophysiology of diabetic heart disease. A large body of evidence implicates myocardial insulin resistance in the pathogenesis of DCM. Recent studies show that insulin signaling influences myocardial energy metabolism by impacting cardiomyocyte mitochondrial dynamics and function under physiological conditions. However, comprehensive understanding of molecular mechanisms linking insulin signaling and changes in the architecture of the mitochondrial network in diabetic cardiomyopathy is lacking. This review summarizes our current understanding of how defective insulin signaling impacts cardiac function in diabetic cardiomyopathy and discusses the potential role of mitochondrial dynamics. [ABSTRACT FROM AUTHOR] |
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