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Open Access Highly Accessed Review

Cardiovascular microRNAs: as modulators and diagnostic biomarkers of diabetic heart disease

Shruti Rawal1, Patrick Manning2 and Rajesh Katare1*

Author Affiliations

1 Department of Physiology, HeartOtago, Otago School of Medical Sciences, University of Otago, Dunedin, New Zealand

2 Department of Medicine, Dunedin Hospital, Dunedin, New Zealand

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Cardiovascular Diabetology 2014, 13:44  doi:10.1186/1475-2840-13-44

Published: 14 February 2014

Abstract

Diabetic heart disease (DHD) is the leading cause of morbidity and mortality among the people with diabetes, with approximately 80% of the deaths in diabetics are due to cardiovascular complications. Importantly, heart disease in the diabetics develop at a much earlier stage, although remaining asymptomatic till the later stage of the disease, thereby restricting its early detection and active therapeutic management. Thus, a better understanding of the modulators involved in the pathophysiology of DHD is necessary for the early diagnosis and development of novel therapeutic implications for diabetes-associated cardiovascular complications. microRNAs (miRs) have recently been evolved as key players in the various cardiovascular events through the regulation of cardiac gene expression. Besides their credible involvement in controlling the cellular processes, they are also released in to the circulation in disease states where they serve as potential diagnostic biomarkers for cardiovascular disease. However, their potential role in DHD as modulators as well as diagnostic biomarkers is largely unexplored. In this review, we describe the putative mechanisms of the selected cardiovascular miRs in relation to cardiovascular diseases and discuss their possible involvement in the pathophysiology and early diagnosis of DHD.

Keywords:
Diabetic heart disease; Subclinical disease; MicroRNA; Cardiac gene expression; Diagnostic biomarkers