NB-598: a potent competitive inhibitor of squalene epoxidase. 1990

M Horie, and Y Tsuchiya, and M Hayashi, and Y Iida, and Y Iwasawa, and Y Nagata, and Y Sawasaki, and H Fukuzumi, and K Kitani, and T Kamei
Central Research Laboratories, Banyu Pharmaceutical Co., Ltd., Tokyo, Japan.

NB-598, (E)N-ethyl-N-(6,6-dimethyl-2-hepten-4-ynyl)-3-[(3,3'-bith iophen-5-yl)methoxy]benzene-methanamine, was found to inhibit human microsomal squalene epoxidase (from Hep G2 cells) in a competitive manner. NB-598 inhibited cholesterol synthesis from [14C]acetate dose dependently in Hep G2 cells and increased the intracellular radioactivity of squalene. A single oral administration of NB-598 inhibited cholesterol synthesis from [14C]acetate in rats. Moreover, multiple oral administration of NB-598 to dogs decreased serum total and low density lipoprotein cholesterol levels and increased serum squalene levels. After termination of treatment, the reduced serum cholesterol and increased squalene levels returned to their control values.

UI MeSH Term Description Entries
D007700 Kinetics The rate dynamics in chemical or physical systems.
D010105 Oxygenases Oxidases that specifically introduce DIOXYGEN-derived oxygen atoms into a variety of organic molecules. Oxygenase
D002417 Cattle Domesticated bovine animals of the genus Bos, usually kept on a farm or ranch and used for the production of meat or dairy products or for heavy labor. Beef Cow,Bos grunniens,Bos indicus,Bos indicus Cattle,Bos taurus,Cow,Cow, Domestic,Dairy Cow,Holstein Cow,Indicine Cattle,Taurine Cattle,Taurus Cattle,Yak,Zebu,Beef Cows,Bos indicus Cattles,Cattle, Bos indicus,Cattle, Indicine,Cattle, Taurine,Cattle, Taurus,Cattles, Bos indicus,Cattles, Indicine,Cattles, Taurine,Cattles, Taurus,Cow, Beef,Cow, Dairy,Cow, Holstein,Cows,Dairy Cows,Domestic Cow,Domestic Cows,Indicine Cattles,Taurine Cattles,Taurus Cattles,Yaks,Zebus
D002460 Cell Line Established cell cultures that have the potential to propagate indefinitely. Cell Lines,Line, Cell,Lines, Cell
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
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000924 Anticholesteremic Agents Substances used to lower plasma CHOLESTEROL levels. Cholesterol Inhibitors,Hypocholesteremic Agents,Anticholesteremic Drugs,Anticholesteremics,Inhibitors, Cholesterol,Agents, Anticholesteremic,Agents, Hypocholesteremic,Drugs, Anticholesteremic
D001596 Benzylamines Toluenes in which one hydrogen of the methyl group is substituted by an amino group. Permitted are any substituents on the benzene ring or the amino group. Phenylmethylamine,alpha-Aminotoluene,alpha Aminotoluene
D013185 Squalene A natural 30-carbon triterpene.

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