Influence of hypocholesterolemic drugs on aortic cholesterol esterase in rabbits. 1984

D Kritchevsky, and D Singer, and D M Klurfeld

We have studied the influence of three hypocholesterolemic drugs (Fenofibrate, Pirinixil and Probucol) on aortic cholesterol esterase (E.C.3.1.1.13) activity in cholesterol-fed rabbits. After three weeks, cholesterol-fed controls exhibited a 28% increase in cholesteryl ester synthetase activity (S) and a 13% decrease in cholesteryl ester hydrolase activity (H) giving a 47% increase in S/H ratio. None of the drugs influenced cholesterol-induced synthetase activity, but fenofibrate treatment increased hydrolase activity resulting in a fall in the S/H ratio to the level observed in rabbits fed corn oil but no cholesterol. The other two hypocholesterolemic agents did not affect the aortic S/H ratio.

UI MeSH Term Description Entries
D008297 Male Males
D011341 Probucol A drug used to lower LDL and HDL cholesterol yet has little effect on serum-triglyceride or VLDL cholesterol. (From Martindale, The Extra Pharmacopoeia, 30th ed, p993). Biphenabid,DH-581,Lorelco,Lurselle,Panavir,Superlipid,DH 581,DH581
D011345 Fenofibrate An antilipemic agent which reduces both CHOLESTEROL and TRIGLYCERIDES in the blood. Procetofen,Antara Micronized Procetofen,Apo-Feno-Micro,Apo-Fenofibrate,CiL,Controlip,Fenobeta,Fenofanton,Fenofibrat AL,Fenofibrat AZU,Fenofibrat AbZ,Fenofibrat FPh,Fenofibrat Heumann,Fenofibrat Hexal,Fenofibrat Stada,Fenofibrat-ratiopharm,Fénofibrate Debat,Fénofibrate MSD,Gen-Fenofibrate,LF-178,Lipanthyl,Lipantil,Liparison,Lipidil,Lipidil-Ter,Livesan,Lofibra,MTW-Fenofibrat,Normalip,Novo-Fenofibrate,Nu-Fenofibrate,PMS-Fenofibrate Micro,Phenofibrate,Procetofene,Secalip,Supralip,Tricor,durafenat,fenofibrat von ct,AZU, Fenofibrat,Apo Feno Micro,Apo Fenofibrate,Debat, Fénofibrate,Fenofibrat ratiopharm,Gen Fenofibrate,Heumann, Fenofibrat,Hexal, Fenofibrat,LF 178,LF178,Lipidil Ter,MTW Fenofibrat,Micronized Procetofen, Antara,Novo Fenofibrate,Nu Fenofibrate,PMS Fenofibrate Micro,Procetofen, Antara Micronized,Stada, Fenofibrat
D011743 Pyrimidines A family of 6-membered heterocyclic compounds occurring in nature in a wide variety of forms. They include several nucleic acid constituents (CYTOSINE; THYMINE; and URACIL) and form the basic structure of the barbiturates.
D011817 Rabbits A burrowing plant-eating mammal with hind limbs that are longer than its fore limbs. It belongs to the family Leporidae of the order Lagomorpha, and in contrast to hares, possesses 22 instead of 24 pairs of chromosomes. Belgian Hare,New Zealand Rabbit,New Zealand Rabbits,New Zealand White Rabbit,Rabbit,Rabbit, Domestic,Chinchilla Rabbits,NZW Rabbits,New Zealand White Rabbits,Oryctolagus cuniculus,Chinchilla Rabbit,Domestic Rabbit,Domestic Rabbits,Hare, Belgian,NZW Rabbit,Rabbit, Chinchilla,Rabbit, NZW,Rabbit, New Zealand,Rabbits, Chinchilla,Rabbits, Domestic,Rabbits, NZW,Rabbits, New Zealand,Zealand Rabbit, New,Zealand Rabbits, New,cuniculus, Oryctolagus
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
D002784 Cholesterol The principal sterol of all higher animals, distributed in body tissues, especially the brain and spinal cord, and in animal fats and oils. Epicholesterol
D002787 Sterol Esterase An enzyme that catalyzes the hydrolysis of CHOLESTEROL ESTERS and some other sterol esters, to liberate cholesterol plus a fatty acid anion. Cholesterol Esterase,15-Ketosteryl Oleate Hydrolase,Acylcholesterol Lipase,Cholesterol Ester Hydrolase,Cholesteryl Oleate Hydrolase,Cholesterylester Hydrolase,Hormone-Sensitive Lipase,Lipase A (Lysosomal Acid Cholesterol Esterase),Lipoidal Steroid Esterase,Lysosomal Acid Cholesterol Esterase,Lysosomal Acid Lipase,Steroid Hormone Esterase,Sterol Ester Acylhydrolase,15 Ketosteryl Oleate Hydrolase,Acid Lipase, Lysosomal,Acylhydrolase, Sterol Ester,Esterase, Cholesterol,Esterase, Lipoidal Steroid,Esterase, Steroid Hormone,Esterase, Sterol,Hormone Sensitive Lipase,Hydrolase, 15-Ketosteryl Oleate,Hydrolase, Cholesterol Ester,Hydrolase, Cholesteryl Oleate,Hydrolase, Cholesterylester,Lipase, Acylcholesterol,Lipase, Hormone-Sensitive,Steroid Esterase, Lipoidal
D002791 Cholesterol, Dietary Cholesterol present in food, especially in animal products. Dietary Cholesterol
D004036 Diet, Atherogenic A diet that contributes to the development and acceleration of ATHEROGENESIS. Atherogenic Diet,Atherogenic Diets,Diets, Atherogenic

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