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Recent studies have revealed the presence of intracellular lipid droplets in wide variety of species. In mammalian cells, there exist proteins specifically localize in lipid droplets. However, the protein profile in the droplet remains yet to be clarified. In this study, a fraction enriched with lipid droplets was isolated from a human hepatocyte cell line(More)
Lipid droplets (LDs) are intracellular storage sites of neutral lipids, which accumulate in fatty liver disease. Here, we investigated the effects of fatty acids and glucose on LD formation in a cultured human hepatocyte, HuH7, by adding them to culture media. Fatty acids with carbohydrate chains C12-C18 efficiently induced LDs, but those of C8 and C10 were(More)
Lipid droplets (LDs) function as intracellular storage depots of neutral lipids. Recently, we identified long-chain acyl-coenzyme A synthetase 3 (ACSL3) as a major LD-associated protein in the human hepatocyte cell line HuH7. In this study, we investigated whether droplet-associated ACSL is involved in lipid metabolism in LDs. Addition of oleic acid (OA) to(More)
Studies of dissolved carbohydrates (or carbohydrate-like substances) in an estuarine environment. 1963. Gas-liquid chromatography of trimethysilyl derivatives of sugars and related substances. Colloidal and dis-soved organic matter in lake water: Carbohydrate and amino acid composition, and ability to support bacterial growth. Bio-gechemistry 30: 77-97. 199(More)
A selective and sensitive gas chromatographic method for the analysis of lipoic acid in biological samples has been developed. After base hydrolysis of the sample, the liberated lipoic acid was converted into its S,S-diethoxycarbonyl methyl ester derivative and measured by gas chromatography using a DB-210 capillary column and a flame photometric detector.(More)
A gas chromatographic method for the determination of cysteamine and its disulphide cystamine is described. Cysteamine and cystamine are converted into N,S-diisobutoxycarbonyl and N,N-diisobutoxycarbonyl derivatives, respectively. The derivatives are analysed by gas chromatography with flame photometric detection, using a DB-210 capillary column. The(More)