Immunogen
Purified recombinant fragment of LPL expressed in E. Coli.
Specificity
LPL Monoclonal Antibody detects endogenous levels of LPL protein.
Formulation
Ascitic fluid containing 0.03% sodium azide,0.5% BSA, 50%glycerol.
Dilution rate
Western Blot: 1/500 - 1/2000. ELISA: 1/10000. Not yet tested in other applications.
Purification process (Immunogen)
Affinity purification
Background
lipoprotein lipase(LPL) Homo sapiens LPL encodes lipoprotein lipase, which is expressed in heart, muscle, and adipose tissue. LPL functions as a homodimer, and has the dual functions of triglyceride hydrolase and ligand/bridging factor for receptor-mediated lipoprotein uptake. Severe mutations that cause LPL deficiency result in type I hyperlipoproteinemia, while less extreme mutations in LPL are linked to many disorders of lipoprotein metabolism. [provided by RefSeq, Jul 2008],
Function
catalytic activity:Triacylglycerol + H(2)O = diacylglycerol + a carboxylate.,disease:Defects in LPL are a cause of familial chylomicronemia [MIM:238600]; also known as hyperlipoproteinemia type I. Familial chylomicronemia is a recessive disorder usually manifesting in childhood. On a normal diet, patients often present with abdominal pain, hepatosplenomegaly, lipemia retinalis, eruptive xanthomata, and massive hypertriglyceridemia, sometimes complicated with acute pancreatitis.,disease:Defects in LPL are the cause of lipoprotein lipase deficiency (LPL deficiency) [MIM:238600]. LPL deficiency leads to hypertriglyceridemia.,function:The primary function of this lipase is the hydrolysis of triglycerides of circulating chylomicrons and very low density lipoproteins (VLDL). The enzyme functions in the presence of apolipoprotein C-2 on the luminal surface of vascular endothelium.,online inform
Protein name
Lipoprotein lipase
Other name
LPL; LIPD; Lipoprotein lipase; LPL
Fields
>>Glycerolipid metabolism;>>PPAR signaling pathway;>>Cholesterol metabolism;>>Alzheimer disease
Human protein sequence Database
P06858
Mouse protein sequence database
P11152
Rat protein sequence database
Cellular localization
Cell membrane ; Peripheral membrane protein ; Extracellular side . Secreted . Secreted, extracellular space, extracellular matrix . Newly synthesized LPL binds to cell surface heparan proteoglycans and is then released by heparanase. Subsequently, it becomes attached to heparan proteoglycan on endothelial cells (PubMed:27811232). Locates to the plasma membrane of microvilli of hepatocytes with triglyceride-rich lipoproteins (TRL). Some of the bound LPL is then internalized and located inside non-coated endocytic vesicles (By similarity). .
Tissue expression
Detected in blood plasma (PubMed:2340307, PubMed:11893776, PubMed:12641539). Detected in milk (at protein level) (PubMed:2340307).
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