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Lipoprotein lipase deficiency is a genetic disorder in which a person has a defective gene for lipoprotein lipase, which leads to very high triglycerides, which in turn causes stomach pain and deposits of fat under the skin, and which can lead to problems with the pancreas and liver, which in turn can lead to diabetes.
In the setting of critical illness, low cholesterol levels are predictive of clinical deterioration, and are correlated with altered cytokine levels. [2]In humans with genetic loss-of-function variants in one copy of the ANGPTL3 gene, the serum LDL-C levels are reduced.
Inactivity of lipoprotein lipase (LPL) plays the predominant role in the development of familial hypertriglyceridemia. LPL plays a role in the metabolism of triglycerides within VLDL molecules. Inactivation mutations in LPL will create an environment with an increased concentration of VLDL molecules and therefore, triglycerides.
Alipogene tiparvovec, sold under the brand name Glybera, is a gene therapy treatment designed to reverse lipoprotein lipase deficiency (LPLD), a rare recessive disorder, due to mutations in LPL, which can cause severe pancreatitis. [1]
Lipoprotein lipase deficiency (type Ia), due to a deficiency of lipoprotein lipase (LPL) or altered apolipoprotein C2, resulting in elevated chylomicrons, the particles that transfer fatty acids from the digestive tract to the liver; Familial apoprotein CII deficiency (type Ib), [17] [18] a condition caused by a lack of lipoprotein lipase ...
Lipoprotein lipase deficiency leads to hypertriglyceridemia (elevated levels of triglycerides in the bloodstream). [35] In mice, overexpression of LPL has been shown to cause insulin resistance, [36] [37] and to promote obesity. [30] A high adipose tissue LPL response to a high-carbohydrate diet may predispose toward fat gain.
Notably, in people who do not have the genetic disorder hypobetalipoproteinemia, a very low cholesterol level (less than 100 mg/dl) may be a marker for poor nutrition, wasting disease, cancer, hyperthyroidism, and liver disease. In 1997 a study showed that Japanese Centenarians had tenfold increase of hypobetalipoproteinemia compared with controls.
Picture depicts role of ANGPTL4 as endogenous inhibitor of lipoprotein lipase and its regulation by fatty acids via Peroxisome Proliferator Activated Receptors. This gene is induced under hypoxic (low oxygen) condition in various cell types and is the target of peroxisome proliferator-activated receptors. The encoded protein is a serum hormone ...