Endothelial Cell Regulation of Cardiac Metabolism Following Diabetes
Fang Wang, Dahai Zhang, Andrea Wan and Brian Rodrigues
Affiliation: Faculty of Pharmaceutical Sciences, University of British Columbia, 2405 Wesbrook Mall, Vancouver, B.C., Canada V6T 1Z3.
Keywords: Cardiomyopathy, fatty acids, heparanase, LPL, metabolism, VEGF.
The earliest change that occurs in the diabetic heart is reduced glucose consumption, with a switch to utilization of
fatty acids (FA) predominantly as an energy resource. Although this adaptation might be beneficial in the short-term, over
a protracted duration, it is potentially catastrophic given the malicious effects produced by high FA in cardiomyocytes. In
this review, we describe how the endothelial cell (EC), a “first-responder” to hyperglycemia, communicates with the
underlying cardiomyocyte. As this cross-talk is expected to facilitate increased FA delivery to, and utilization by, the
cardiomyocyte, understanding this conversationshould assist in devising new therapeutic strategies to prevent or delay
diabetic heart disease.
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