Lipoprotein lipase and angiopoietin-like 4 – Cardiomyocyte secretory proteins that regulate metabolism during diabetic heart disease
2015
AbstractCardiac diseases have been extensively studied following diabetes and altered metabolism has been implicated in its initiation. In this context, there is a shift from glucose utilization to predominantly fatty acid metabolism. We have focused on the micro- and macro-environments that the heart uses to provide fatty acids to the cardiomyocyte. Specifically, we will discuss the cross talk between endothelial cells, smooth muscles and cardiomyocytes, and their respective secretory products that allows for this shift in metabolism. These changes will then be linked to alterations in the cardiovascular system and the augmented heart disease observed during diabetes. Traditionally, the heart was only thought of as an organ that supplies oxygen and nutrients to the body through its function as a pump. However, the heart as an endocrine organ has also been suggested. Secreted products from the cardiomyocytes include the natriuretic peptides atrial natriuretic peptide (ANP) and brain natriuretic peptide (B...
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