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Lipoprotein lipase in rat heart--I. Characterization of tri-, di- and monoacylglycerol lipase activities in post-heparin effluents. 1989

M Benkirane, and J M Meignen, and J Boyer, and A Verine
INSERM U.260, Faculté de Médecine, Marseille, France.

1. The lipolytic activities that sequentially hydrolyze tri-, di- and monoacylglycerol in rat post-heparin heart effluents were examined. 2. Properties of triacylglycerol lipase (TAGL) activity were typical of lipoprotein lipase. Diacylglycerol lipase (DAGL) behaved similarly to TAGL, suggesting that both activities refer to the same catalytic entity. 3. Differences, particularly in thermal stability, between TAGL and DAGL activities on one hand, and monoacylglycerol lipase (MAGL) activity on the other, may reflect different intrinsic molecular properties. 4. TAGL, DAGL and MAGL activities could not be separated by physical means and appeared to belong to a single unit at the same site on the capillary wall.

UI MeSH Term Description Entries
D007700 Kinetics The rate dynamics in chemical or physical systems.
D008071 Lipoprotein Lipase An enzyme of the hydrolase class that catalyzes the reaction of triacylglycerol and water to yield diacylglycerol and a fatty acid anion. The enzyme hydrolyzes triacylglycerols in chylomicrons, very-low-density lipoproteins, low-density lipoproteins, and diacylglycerols. It occurs on capillary endothelial surfaces, especially in mammary, muscle, and adipose tissue. Genetic deficiency of the enzyme causes familial hyperlipoproteinemia Type I. (Dorland, 27th ed) EC 3.1.1.34. Heparin-Clearing Factor,Lipemia-Clearing Factor,Diacylglycerol Lipase,Diglyceride Lipase,Post-Heparin Lipase,Postheparin Lipase,Postheparin Lipoprotein Lipase,Factor, Heparin-Clearing,Factor, Lipemia-Clearing,Heparin Clearing Factor,Lipase, Diacylglycerol,Lipase, Diglyceride,Lipase, Lipoprotein,Lipase, Post-Heparin,Lipase, Postheparin,Lipase, Postheparin Lipoprotein,Lipemia Clearing Factor,Lipoprotein Lipase, Postheparin,Post Heparin Lipase
D008994 Monoacylglycerol Lipases An enzyme that catalyzes the hydrolysis of glycerol monoesters of long-chain fatty acids EC 3.1.1.23. Glycerol Monoester Hydrolase,Glycerol Monoester Hydrolases,Monoacylglycerol Lipase,Monoglyceride Esterase,Monoglyceride Esterases,Monoglyceride Lipase,Monoglyceride Lipases,Monoglyceride Hydrolase,Esterase, Monoglyceride,Esterases, Monoglyceride,Hydrolase, Glycerol Monoester,Hydrolase, Monoglyceride,Hydrolases, Glycerol Monoester,Lipase, Monoacylglycerol,Lipase, Monoglyceride,Lipases, Monoacylglycerol,Lipases, Monoglyceride,Monoester Hydrolase, Glycerol,Monoester Hydrolases, Glycerol
D009206 Myocardium The muscle tissue of the HEART. It is composed of striated, involuntary muscle cells (MYOCYTES, CARDIAC) connected to form the contractile pump to generate blood flow. Muscle, Cardiac,Muscle, Heart,Cardiac Muscle,Myocardia,Cardiac Muscles,Heart Muscle,Heart Muscles,Muscles, Cardiac,Muscles, Heart
D009829 Oleic Acids A group of fatty acids that contain 18 carbon atoms and a double bond at the omega 9 carbon. Octadecenoic Acids,Acids, Octadecenoic,Acids, Oleic
D010477 Perfusion Treatment process involving the injection of fluid into an organ or tissue. Perfusions
D011919 Rats, Inbred Strains Genetically identical individuals developed from brother and sister matings which have been carried out for twenty or more generations or by parent x offspring matings carried out with certain restrictions. This also includes animals with a long history of closed colony breeding. August Rats,Inbred Rat Strains,Inbred Strain of Rat,Inbred Strain of Rats,Inbred Strains of Rats,Rat, Inbred Strain,August Rat,Inbred Rat Strain,Inbred Strain Rat,Inbred Strain Rats,Inbred Strains Rat,Inbred Strains Rats,Rat Inbred Strain,Rat Inbred Strains,Rat Strain, Inbred,Rat Strains, Inbred,Rat, August,Rat, Inbred Strains,Rats Inbred Strain,Rats Inbred Strains,Rats, August,Rats, Inbred Strain,Strain Rat, Inbred,Strain Rats, Inbred,Strain, Inbred Rat,Strains, Inbred Rat
D002265 Carboxylic Ester Hydrolases Enzymes which catalyze the hydrolysis of carboxylic acid esters with the formation of an alcohol and a carboxylic acid anion. Carboxylesterases,Ester Hydrolases, Carboxylic,Hydrolases, Carboxylic Ester
D004075 Diglycerides Glycerides composed of two fatty acids esterified to the trihydric alcohol GLYCEROL. There are two possible forms that exist: 1,2-diacylglycerols and 1,3-diacylglycerols. Diacylglycerol,Diacylglycerols
D005260 Female Females

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