Oxysterol mediated changes in fatty acid distribution and lipid synthesis in cultured bovine aortic smooth muscle cells.

abstract：:This study investigated a possible role for the epidermal growth factor (EGF) receptor protein tyrosine kinase in phosphoinositide metabolism with plasma membrane vesicles from human epidermoid carcinoma (A431) cells. We found a novel chloroform-soluble product radiolabeled with [gamma-32P]ATP that did not migrate fro...

journal_title：Lipids

authors： Brautigan DL,Randazzo P,Shriner C,Fain JN

更新日期：1985-07-01 00:00:00

abstract：:A one-carbon degradation of long-chain fatty acids, which was found to occur in the brains of rats in vivo, has been investigated in a brain microsomal fraction in vitro. Decarboxylation of the alpha-hydroxy acid, a possible intermediate product between the substrate and the next shorter acid, in the presence of brain...

journal_title：Lipids

authors： Macdonald RC,Mead JF

更新日期：1968-05-01 00:00:00

abstract：:Schizochytrium sp. is an algae-like microorganism utilized for commercial production of docosahexaenoic acid (DHA)-rich oil and dried microalgae for use as a source of DHA in foods, feeds, and nutritional supplements. Electron microscopic analysis of whole cells of Schizochytrium sp. employing sample preparation by hi...

journal_title：Lipids

authors： Ashford A,Barclay WR,Weaver CA,Giddings TH,Zeller S

更新日期：2000-12-01 00:00:00

abstract：:Gallstone formation and dissolution were studied in a prairie dog model of cholesterol (CH) cholelithiasis. Gallstones were induced in 49 prairie dogs by feeding 1.2% CH in a nutritionally adequate semisynthetic diet for 6 wk (period 1). At 6 wk, gallstones had developed in all animals examined. The diets were modifie...

journal_title：Lipids

authors： Cohen BI,Mosbach EH,McSherry CK,Rzigalinski B,Kuroki S

更新日期：1986-09-01 00:00:00

abstract：:This study investigated the influence of PUFA on the properties of mouse skin. Mice (3 wk old) were given free access to oils high in linoleic acid, CLA, or DHA for 4 wk. At the end of the experiment, their skins were compared by both biochemical and histological methods. No significant differences in lipid and collag...

journal_title：Lipids

authors： Oikawa D,Nakanishi T,Nakamura Y,Takahashi Y,Yamamoto T,Shiba N,Tobisa M,Takagi T,Iwamoto H,Tachibana T,Furuse M

更新日期：2003-06-01 00:00:00

abstract：:The liver lipogenic enzymes are compared among rats, chickens, frogs and fish. Although the apparent Km values of glucose-6-phosphate dehydrogenase for glucose-6-phosphate are not much different among all the species, those of malic enzyme for malate are much higher in chickens and fish than in rats and frogs. Glucose...

journal_title：Lipids

authors： Iritani N,Ikeda Y,Fukuda H,Katsurada A

更新日期：1984-11-01 00:00:00

abstract：:SRI 62-834, an analog of the antitumor agent ET-18-OCH3 in which the oxygen atom at carbon atom 2 has been incorporated into a five-membered heterocycle, has been prepared and evaluated as an antitumor agent. The compound exhibited good cytotoxicity in vitro against a variety of tumor cell lines and was as effective a...

journal_title：Lipids

authors： Houlihan WJ,Lee ML,Munder PG,Nemecek GM,Handley DA,Winslow CM,Happy J,Jaeggi C

更新日期：1987-11-01 00:00:00

abstract：:Biosynthesis of peripheral nerve cholesterol was investigated by the in vivo and in vitro incorporation of [1-14C]-acetate into sciatic endoneurium of normal rats during development, degeneration and regeneration. Labeled sterols were rapidly formed (less than 10 min) within the endoneurial portion of sciatic nerve af...

journal_title：Lipids

authors： Yao JK

更新日期：1988-09-01 00:00:00

abstract：:The source of free fatty acids (FFA) and the pathways contributing to the accumulation of neutral fats in livers of rats fed a cholesterol-enriched diet were investigated in this report. Supplementation with 1% cholesterol in the diet for four weeks resulted in hepatomegaly in the rats. The contents of cholesterol and...

journal_title：Lipids

authors： Liu CH,Huang MT,Huang PC

更新日期：1995-06-01 00:00:00

abstract：:We evaluated the effects of dietary lipid class (phospholipid vs. neutral lipid) and level of n-3 long-chain PUFA (LC-PUFA) on the growth, digestive enzymatic activity, and histological organization of the intestine and liver in European sea bass larvae. Fish were fed from the onset of exogenous feeding at 7 to 37 d p...

journal_title：Lipids

authors： Gisbert E,Villeneuve L,Zambonino-Infante JL,Quazuguel P,Cahu CL

更新日期：2005-06-01 00:00:00

abstract：:Mitochondrial cytochrome P450 enzymes (CYP or P450, EC 1.14.13.15) play an important role in metabolism of cholesterol. CYP27A1 hydroxylates cholesterol at position 27 and, thus, initiates cholesterol removal from many extrahepatic tissues. CYP11A1 is a steroidogenic P450 that converts cholesterol to pregnenolone, the...

journal_title：Lipids

authors： Pikuleva IA,Mast N,Liao WL,Turko IV

更新日期：2008-12-01 00:00:00

abstract：:This study evaluated the effects of conjugated linoleic acids (CLA) on tissue fatty acid composition and ex vivo prostaglandin E2 (PGE2) production in rats given diets varying in n-6 and n-3 fatty acids. Four groups of rats were given a basal semipurified diet (AIN-93G) containing 70 g/kg of added fat for 42 d. The fa...

journal_title：Lipids

authors： Li Y,Watkins BA

更新日期：1998-04-01 00:00:00

abstract：:A method was developed to analyze and quantify volatile fatty acids (VFA) such as acetic, propionic, butyric, isobutyric, valeric and isovaleric acids in biological specimens. To obtain good sample transfer into the chromatographic system an organic solvent had to be used together with an aqueous milieu, thus improvin...

journal_title：Lipids

authors： Fleming SE,Traitler H,Koellreuter B

更新日期：1987-03-01 00:00:00

abstract：:A recent study on the metabolism of 1-14C-alpha-linolenic acid in the guinea pig revealed that the fur had the highest specific activity of all tissues examined, 48 h after dosing. The present study investigated the pattern of tissue lipid labeling following an oral dose of 1-14C-linoleic acid after the animals had be...

journal_title：Lipids

authors： Fu Z,Attar-Bashi NM,Sinclair AJ

更新日期：2001-03-01 00:00:00

abstract：:This work reports the effect of the apolipoproteins A-I and A-II (apoA-I and apoA-II) on the release of tumor necrosis factor (TNF)-alpha, interleukin (IL)-1beta, IL-8, and IL-1 receptor antagonist (IL-1Ra) and on the oxidative burst of human neutrophils. By themselves, apoA-I and apoA-II do not affect the basal liber...

journal_title：Lipids

authors： Furlaneto CJ,Ribeiro FP,Hatanaka E,Souza GM,Cassatella MA,Campa A

更新日期：2002-09-01 00:00:00

abstract：:Many reports have shown the beneficial effects of consumption of pine seeds and pine seed oil. However, few studies have examined the biological effect of pinolenic acid (PNA; 5,9,12-18:3), the main fatty acid in pine seed oil. In this study, using murine macrophage RAW264.7 cells as a model, we examined the effect of...

journal_title：Lipids

authors： Chuang LT,Tsai PJ,Lee CL,Huang YS

更新日期：2009-03-01 00:00:00

abstract：:The calcium ionophore A23187 stimulates release of free [3H]arachidonic acids from radiolabeled cultures of MEPM cells which are growing, but not from those which are confluent. However, when confluent MEPM cells are pretreated with EGF or PMA, release of [3H]arachidonic acids does occur in response to A23187. Since n...

journal_title：Lipids

authors： Chepenik KP

更新日期：1989-09-01 00:00:00

abstract：:This study analyses the effects of dietary lipid level and source on lipid absorption and metabolism in Senegalese sole (Solea senegalensis). Juvenile fish were fed 4 experimental diets containing either 100 % fish oil (FO) or 25 % FO and 75 % vegetable oil (VO; rapeseed, linseed and soybean oils) at two lipid levels ...

journal_title：Lipids

authors： Bonacic K,Estévez A,Bellot O,Conde-Sieira M,Gisbert E,Morais S

更新日期：2016-01-01 00:00:00

abstract：:Jasmonic acid (JA) is synthesized from linolenic acid (18:3n-3) by sequential action of 13-lipoxygenase, allene oxide synthase (AOS), and allene oxide cyclase. The fungus Lasiodiplodia theobromae can produce large amounts of JA and was recently reported to form the JA precursor 12-oxophytodienoic acid. The objective o...

journal_title：Lipids

authors： Jernerén F,Eng F,Hamberg M,Oliw EH

更新日期：2012-01-01 00:00:00

abstract：:Water and lipid contents, fatty acid distribution, and lipoprotein lipase activity were determined in 11 samples taken from the Omentum Majus of five dry Alpine goats. Samples were chosen to standardize sampling sites using geometric guide marks representative of different adipose tissue sites. Sample location explain...

journal_title：Lipids

authors： Bas P,Gallouin F,Morand-Fehr P

更新日期：1992-06-01 00:00:00

abstract：:The purpose of this study was to investigate in healthy humans the effect of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) intake, alone or in combination with dL-alpha-tocopherol acetate (vitamin E) supplements on lipid peroxidation. Eighty men were randomly assigned in a double-blind fashion to take dai...

journal_title：Lipids

authors： Allard JP,Kurian R,Aghdassi E,Muggli R,Royall D

更新日期：1997-05-01 00:00:00

abstract：:The gut microbiota is proposed as a "metabolic organ" involved in energy utilization and is associated with obesity. Dietary intervention is one of the approaches for obesity management. Changes in dietary components have significant impacts on host metabolism and gut microbiota. In the present study, we examined the ...

journal_title：Lipids

authors： Shang Y,Khafipour E,Derakhshani H,Sarna LK,Woo CW,Siow YL,O K

更新日期：2017-06-01 00:00:00

abstract：:Chloroquine is shown to be a potent inhibitor of cholesterol biosynthesis by isolated rat hepatocytes. Half-maximal inhibition of cholesterogenesis occurs at ca. 10 micro M chloroquine. Chloroquine does not affect fatty acid synthesis by isolated hepatocytes. This suggests that chloroquine acts on the cholesterol bios...

journal_title：Lipids

authors： Beynen AC,van der Molen AJ,Geelen MJ

更新日期：1981-06-01 00:00:00

abstract：:Conjugated linoleic acid (CLA) has been demonstrated to reduce body fat in animals. However, the mechanism by which this reduction occurs is unknown. Leptin may mediate the effect of CLA to decrease body fat. We assessed the effects of 64 d of CLA supplementation (3 g/d) on circulating leptin, insulin, glucose, and la...

journal_title：Lipids

authors： Medina EA,Horn WF,Keim NL,Havel PJ,Benito P,Kelley DS,Nelson GJ,Erickson KL

更新日期：2000-07-01 00:00:00

abstract：:We previously reported that phospholipids markedly affected the uptake of carotenoids solubilized in mixed micelles by human intestinal Caco-2 cells. In the present study, we found that two classes of dietary glyceroglycolipids and the corresponding lysoglyceroglycolipids affected uptake of β-carotene and lutein by di...

journal_title：Lipids

authors： Kotake-Nara E,Yonekura L,Nagao A

更新日期：2015-09-01 00:00:00

abstract：:Considerable progress has been made in the selection and characterization of mutants that are defective in the synthesis of ergosterol in the yeast, Saccharomyces cerevisiae. Mutations in nearly every step of the yeast sterol biosynthetic pathway have been induced and selected. These mutants have been used to elucidat...

journal_title：Lipids

authors： Parks LW,Smith SJ,Crowley JH

更新日期：1995-03-01 00:00:00

abstract：:In an attempt to combine the hypocholesterolemic properties of plant sterols with the hypotriglyceridemic action of fish oil FA, plant sterols have recently been esterified to fish oil n-3 PUFA. The objective of this study was to determine the effects of plant sterols esterified to n-3 PUFA on plasma lipid levels and ...

journal_title：Lipids

authors： Demonty I,Ebine N,Jia X,Jones PJ

更新日期：2005-07-01 00:00:00

abstract：:In their diversity, speciation, and sheer numerical superiority, few should question that insects are the dominant life-form on earth. Their utilization of the multifunctional isopentenoids to regulate their life processes is equally diverse. To catalog or even summarize the contribution of isopentenoids in the regula...

journal_title：Lipids

authors： Bowers WS

更新日期：1978-10-01 00:00:00

abstract：:The effects of increasing concentrations of eicosapentaenoic acid (20:5n-3; EPA) and oleic acid (18:1n-9; OA) on esterification to triacylglycerols (TG) and phospholipids (PL), and the relationship to formation and secretion of the very low density lipoproteins (VLDL) were compared in the isolated perfused rat liver. ...

journal_title：Lipids

authors： Zhang ZJ,Wilcox HG,Castellani L,Fungwe TV,Elam MB,Heimberg M

更新日期：1993-05-01 00:00:00

abstract：:A 24-hr pretreatment of cultured human fibroblasts with trifluoperazine induced a marked increase in incorporation of saturated (stearic, palmitic) and unsaturated (oleic, arachidonic) fatty acids into phospholipids (1.5- to 2-fold for 5.10(-5) M trifluoperazine). Concomitantly, incorporation into cholesteryl esters w...

journal_title：Lipids

authors： Mazière C,Mazière JC,Mora L,Auclair M,Polonovski J

更新日期：1988-05-01 00:00:00