Mechanistic underpinnings of AGEs-RAGE via DIAPH1 in ischemic, diabetic, and failing hearts.

IF 4.1 2区 医学 Q1 CARDIAC & CARDIOVASCULAR SYSTEMS
Gautham Yepuri, Syed Nurul Hasan, Vikas Kumar, Michaele B Manigrasso, Gregory Theophall, Alexander Shekhtman, Ann Marie Schmidt, Ravichandran Ramasamy
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引用次数: 0

Abstract

Diabetes is a major risk factor for cardiovascular diseases. Patients with diabetes are at greater risk for morbidity and mortality post myocardial infarction. As the epidemic of diabetes continues at an alarming pace, identification of specific therapeutic interventions to protect diabetic patients from the devastating consequences of myocardial infarction is an urgent need. Advanced glycation end products (AGEs), the products of nonenzymatic glycation and oxidation of proteins and lipids, accumulate in the diabetic circulation and heart. The interaction of AGEs with its key receptor, receptor for AGE or RAGE, contributes to cardiac injury and dysfunction. The discovery that intracellular domain of RAGE binds to the formin, DIAPH1, and that DIAPH1 is essential for RAGE ligand-mediated signal transduction, unveiled the specific cellular means by which RAGE functions and highlights a new target for therapeutic interruption of pathological RAGE signaling during myocardial infarction. This review delves into intrinsic mechanisms by which AGE-RAGE axis via RAGE-DIAPH1 driven DIAPH1-Mitofusin2 (MFN2) interaction modulates pathogenic inter-organelle communications and opens opportunities for intensive studies to uncover the comprehensive mechanisms that drive injury-provoking actions from the intracellular space. This review illustrates the potential therapeutic cardioprotective benefits of antagonism of RAGE-DIAPH1interactions in the diabetic heart.

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来源期刊
CiteScore
9.60
自引率
10.40%
发文量
202
审稿时长
2-4 weeks
期刊介绍: The American Journal of Physiology-Heart and Circulatory Physiology publishes original investigations, reviews and perspectives on the physiology of the heart, vasculature, and lymphatics. These articles include experimental and theoretical studies of cardiovascular function at all levels of organization ranging from the intact and integrative animal and organ function to the cellular, subcellular, and molecular levels. The journal embraces new descriptions of these functions and their control systems, as well as their basis in biochemistry, biophysics, genetics, and cell biology. Preference is given to research that provides significant new mechanistic physiological insights that determine the performance of the normal and abnormal heart and circulation.
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