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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.
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 ...
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.
Lipoprotein lipase has been shown to interact with LRP1. [ 51 ] [ 52 ] [ 53 ] It is also a ligand for α2M , GP330 , and VLDL receptors. [ 23 ] LPL has been shown to be a ligand for LRP2 , albeit at a lower affinity than for other receptors; however, most of the LPL-dependent VLDL degradation can be attributed to the LRP2 pathway. [ 23 ]
Lysosomal acid lipase deficiencies occur when a person has defects (mutations) in both copies of the LIPA gene. Each parent of a person with LAL deficiency carries one copy of the defective LIPA gene. With every pregnancy, parents with a son or daughter affected by LAL deficiency have a 1 in 4 (25%) chance of having another affected child.
Tangier disease or hypoalphalipoproteinemia is an extremely rare inherited disorder characterized by a severe reduction in the amount of high density lipoprotein (HDL), often referred to as "good cholesterol", in the bloodstream. [2]
Numerous genetic disorders are caused by errors in fatty acid metabolism.These disorders may be described as fatty oxidation disorders or as a lipid storage disorders, and are any one of several inborn errors of metabolism that result from enzyme defects affecting the ability of the body to oxidize fatty acids in order to produce energy within muscles, liver, and other cell types.
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]