Determination of hepatic 3-hydroxy-3-methylglutaryl CoA reductase activity in man. 1974

G Nicolau, and S Shefer, and G Salen, and E H Mosbach

Procedures were developed for the determination of the activity of the microsomal enzyme 3-hydroxy-3-methylglutaryl CoA reductase (HMG CoA reductase, EC 1.1.1.34) in human liver. The enzyme assay could be carried out with as little as 20 mg of fresh liver tissue, thus making the method applicable to specimens obtained by percutaneous liver biopsy. Experiments were carried out to determine optimal assay conditions and to establish the identity and radiopurity of the reaction product formed from 3-(14)C-labeled 3-hydroxy-3-methylglutaryl CoA. The specific activity of the enzyme was measured in a number of patients with different disorders of lipid metabolism.

UI MeSH Term Description Entries
D006949 Hyperlipidemias Conditions with excess LIPIDS in the blood. Hyperlipemia,Hyperlipidemia,Lipemia,Lipidemia,Hyperlipemias,Lipemias,Lipidemias
D007700 Kinetics The rate dynamics in chemical or physical systems.
D008052 Lipid Metabolism, Inborn Errors Errors in the metabolism of LIPIDS resulting from inborn genetic MUTATIONS that are heritable. Lipid Metabolism, Inborn Error
D008099 Liver A large lobed glandular organ in the abdomen of vertebrates that is responsible for detoxification, metabolism, synthesis and storage of various substances. Livers
D008798 Mevalonic Acid A dihydroxy monocarboxylic acid and precursor in the biosynthetic pathway known as the mevalonate pathway, which produces terpenes and steroids that are vital for diverse cellular functions. Mevalonate,Acid, Mevalonic
D008862 Microsomes, Liver Closed vesicles of fragmented endoplasmic reticulum created when liver cells or tissue are disrupted by homogenization. They may be smooth or rough. Liver Microsomes,Liver Microsome,Microsome, Liver
D002234 Carbodiimides Compounds with the general formula RN Carbodiimide
D002250 Carbon Radioisotopes Unstable isotopes of carbon that decay or disintegrate emitting radiation. C atoms with atomic weights 10, 11, and 14-16 are radioactive carbon isotopes. Radioisotopes, Carbon
D002458 Cell Fractionation Techniques to partition various components of the cell into SUBCELLULAR FRACTIONS. Cell Fractionations,Fractionation, Cell,Fractionations, Cell
D002769 Cholelithiasis Presence or formation of GALLSTONES in the BILIARY TRACT, usually in the gallbladder (CHOLECYSTOLITHIASIS) or the common bile duct (CHOLEDOCHOLITHIASIS). Gallstone Disease,Cholelithiases,Gallstone Diseases

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