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Nat Rev Cardiol. 2010 Jan;7(1):22-9. doi: 10.1038/nrcardio.2009.224. Epub 2009 Dec 1.

Cardiovascular effects of leptin.

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  • 1Institut Pasteur Korea, Bundang-gu, Gyeonggi-do, Korea. gsweeney@yorku.ca

Abstract

A wealth of investigations, ranging from clinical and animal model studies to in vitro analyses, have generated great interest in the cardiovascular effects of leptin. Accordingly, many studies have examined the contribution of leptin to cardiac remodeling in heart failure and whether the effects of leptin on metabolism, apoptosis, extracellular matrix remodeling, and hypertrophy could explain the so-called obesity paradox. Furthermore, obesity and hyperleptinemia have often been associated with hypertension, and regulation of sympathetic tone or direct effects of leptin on contributors such as atherosclerosis, endothelial dysfunction, and thrombosis have been documented. Unfortunately, translating basic research studies in vitro, or in animal models, to human physiology has proven difficult. The degree of leptin resistance in obesity is one intriguing issue that must be resolved. Furthermore, the importance of autocrine and paracrine effects of leptin derived from the heart and perivascular adipose tissue must be further studied. Carefully planned and executed research to conclusively establish distinct effects of leptin on the cardiovascular system in normal and diseased states will be essential to harness any therapeutic potential associated with leptin's effects.

PMID:
19949425
[PubMed - indexed for MEDLINE]
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