Kinetics of hydrolysis of meclofenoxate hydrochloride in human plasma. 1987

S Yoshioka, and Y Aso, and M Uchiyama

The kinetics of hydrolysis of meclofenoxate hydrochloride in human plasma have been compared with those of clofibrate. The hydrolysis rate in fractionated plasma was determined in the presence and absence of a plasma esterase inhibitor, tetraethyl pyrophosphate. The kinetic data indicated that clofibrate decomposed only by esterase-induced hydrolysis, which was inhibited by binding of clofibrate to plasma proteins. In contrast to clofibrate, meclofenoxate decomposed rapidly in human plasma via spontaneous hydrolysis as well as esterase-induced hydrolysis. The spontaneous hydrolysis appeared to be inhibited by some components present in the esterase fraction isolated from plasma, while no significant inhibition of the hydrolysis by protein binding was observed.

UI MeSH Term Description Entries
D007700 Kinetics The rate dynamics in chemical or physical systems.
D008081 Liposomes Artificial, single or multilaminar vesicles (made from lecithins or other lipids) that are used for the delivery of a variety of biological molecules or molecular complexes to cells, for example, drug delivery and gene transfer. They are also used to study membranes and membrane proteins. Niosomes,Transferosomes,Ultradeformable Liposomes,Liposomes, Ultra-deformable,Liposome,Liposome, Ultra-deformable,Liposome, Ultradeformable,Liposomes, Ultra deformable,Liposomes, Ultradeformable,Niosome,Transferosome,Ultra-deformable Liposome,Ultra-deformable Liposomes,Ultradeformable Liposome
D001798 Blood Proteins Proteins that are present in blood serum, including SERUM ALBUMIN; BLOOD COAGULATION FACTORS; and many other types of proteins. Blood Protein,Plasma Protein,Plasma Proteins,Serum Protein,Serum Proteins,Protein, Blood,Protein, Plasma,Protein, Serum,Proteins, Blood,Proteins, Plasma,Proteins, Serum
D002504 Meclofenoxate An ester of DIMETHYLAMINOETHANOL and para-chlorophenoxyacetic acid. Centrophenoxine,Atsefen,Cerutil,Cetrexin,Helfergin,Meclofenoxate Hydrochloride
D002851 Chromatography, High Pressure Liquid Liquid chromatographic techniques which feature high inlet pressures, high sensitivity, and high speed. Chromatography, High Performance Liquid,Chromatography, High Speed Liquid,Chromatography, Liquid, High Pressure,HPLC,High Performance Liquid Chromatography,High-Performance Liquid Chromatography,UPLC,Ultra Performance Liquid Chromatography,Chromatography, High-Performance Liquid,High-Performance Liquid Chromatographies,Liquid Chromatography, High-Performance
D002994 Clofibrate A fibric acid derivative used in the treatment of HYPERLIPOPROTEINEMIA TYPE III and severe HYPERTRIGLYCERIDEMIA. (From Martindale, The Extra Pharmacopoeia, 30th ed, p986) Athromidin,Atromid,Atromid S,Clofibric Acid, Ethyl Ester,Ethyl Chlorophenoxyisobutyrate,Miscleron,Miskleron,Chlorophenoxyisobutyrate, Ethyl
D006016 Glycolates Derivatives of ACETIC ACID which contain an hydroxy group attached to the methyl carbon. 2-Hydroxyacetates,Glycolate Ethers,Hydroxyacetate Ethers,Hydroxyacetates,Hydroxyacetic Acids,2 Hydroxyacetates,Acids, Hydroxyacetic,Ethers, Glycolate,Ethers, Hydroxyacetate
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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