Journal
AMERICAN JOURNAL OF PATHOLOGY
Volume 178, Issue 4, Pages 1429-1433Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.ajpath.2010.12.050
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Funding
- Heart and Stroke Foundation of Ontario
- Ontario Graduate Scholarship Program (OGS)
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Hepatic lipase (HL) is a lipolytic enzyme that contributes to the regulation of plasma triglyceride (TG) levels. Elevated TG levels may increase the risk of developing coronary heart disease, and studies suggest that mutations in the HL gene may be associated with elevated TG levels and increased risk of coronary heart disease. Hepatic lipase facilitates the clearance of TG from the very low density lipoprotein (VLDL) pool, and this function is governed by the composition and quality of high density lipoprotein (HDL) particles. In humans, HL is a liver resident enzyme regulated by factors that release it from the liver and activate it in the bloodstream. HDL regulates the release of HL from the liver and HDL structure controls HL, transport and activation in the circulation. Alterations in HDL-apolipoprotein composition can perturb HI. function by inhibiting the release and activation of the enzyme. HDL structure may therefore affect plasma TG levels and coronary heart disease risk. (Am J Pathol 2011, 178:1429-1433; DOI: 10.1016/j.ajpath.2010.12.050)
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