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  • Title: Role of lipoprotein lipases in postprandial lipid metabolism.
    Author: Jansen H, Breedveld B, Schoonderwoerd K.
    Journal: Atherosclerosis; 1998 Dec; 141 Suppl 1():S31-4. PubMed ID: 9888639.
    Abstract:
    The pivotal role of heparin-releasable lipases in the clearing of postprandial lipids is known for a long time. The hydrolysis of triglycerides under influence of lipoprotein lipase is among the first recognised and well defined processes in postprandial lipid metabolism. More recently, also hepatic lipase has been implicated in the clearing of postprandial lipoproteins. Lipoprotein lipase as well as hepatic lipase are also involved in the metabolism of several other lipoproteins. However, their capacity is limited. This may lead to interaction of different metabolic processes and competition for the available lipase by different lipoproteins. Indeed, it is generally accepted that the exaggerated postprandial response in subjects with hypertriglyceridemia is at least partially due to competition between endogenous (VLDL) and exogenous (chylomicrons) lipoproteins. Similar mechanisms may also take place in the liver where hepatic lipase plays a role in the metabolism of several lipoproteins. In this short review, the roles of lipoprotein lipase and hepatic lipase in postprandial lipoprotein metabolism are discussed in relation(s) to their suggested function in the metabolism of different lipoproteins.
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