J Lipid Atheroscler.  2021 Jan;10(1):8-23. 10.12997/jla.2021.10.1.8.

Impact of Obesity-Related Inflammation on Cardiac Metabolism and Function

Affiliations
  • 1Department of Medical Biology, The Health Sciences Faculty, UiT The Arctic University of Norway, Tromsø, Norway

Abstract

This review focuses on the role of adipose tissue in obese individuals in the development of metabolic diseases, and their consequences for metabolic and functional derangements in the heart. The general idea is that the expansion of adipocytes during the development of obesity gives rise to unhealthy adipose tissue, characterized by low-grade inflammation and the release of proinflammatory adipokines and fatty acids (FAs). This condition, in turn, causes systemic inflammation and elevated FA concentrations in the circulation, which links obesity to several pathologies, including impaired insulin signaling in cardiac muscle and a subsequent shift in myocardial substrate oxidation in favor of FAs and reduced cardiac efficiency. This review also argues that efforts to prevent obesity-related cardiometabolic disease should focus on antiobesogenic strategies to restore normal adipose tissue metabolism.

Keyword

Visceral adipose tissue; Inflammation; Lipid metabolism; Heart; Oxygen consumption
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