Development of an LC-MS/MS method for the analysis of free sphingoid bases using 4-fluoro-7-nitrobenzofurazan (NBD-F).

abstract：:The aim of the present study was to identify the effects of dehydroepiandrosterone (DHEA) on hepatic lipid metabolism parameters and lipogenic gene mRNA expression in broiler chickens. A total of 72 1-day-old broiler chicks received a common basal diet with DHEA added at either 0 (control), 5 or 20 mg/kg feed. In the ...

journal_title：Lipids

authors： Tang X,Ma H,Zou S,Chen W

更新日期：2007-11-01 00:00:00

abstract：:We hypothesized that tumor-bearing (TB) nude mice, because they are reported to have no detectable, circulating tumor necrosis factor (TNF)/cachectin, would regulate their plasma free fatty acid (FFA) levels normally when fasted and refed. We compared levels of individual plasma FFA in response to fasting (24 hr) and ...

journal_title：Lipids

authors： Lin C,Blank W,Ceriani RL,Baker N

更新日期：1992-01-01 00:00:00

abstract：:Fatty acid composition of plasma phospholipids (PL), triglycerides (TG), and sterol esters (STE) was determined by high-resolution capillary gas-liquid chromatography in 22 obese children (age: 13.7 +/- 1.4 y, body weight relative to normal weight for height: 170 +/- 24%, mean +/- SD) and compared with data obtained i...

journal_title：Lipids

authors： Decsi T,Molnár D,Koletzko B

更新日期：1996-03-01 00:00:00

abstract：:Earlier studies showed that during the first 20 to 25 seconds of aggregation induced by thrombin (0.1 U/mL) or adenosine diphosphate (ADP) (2 microM) of rabbit or human platelets prelabeled with [3H]palmitic acid, labeled lipid became associated with the cytoskeleton (isolated after lysis with 1% Triton X-100, 5 mM EG...

journal_title：Lipids

authors： Packham MA,Guccione MA,Bryant NL,Livne A

更新日期：1991-07-01 00:00:00

abstract：:Acid cholesteryl ester hydrolase (CEH) activity was assayed in mononuclear cells of patients with symptomatic atherosclerosis (transient ischemic attacks, TIA) and in age-matched controls showing no evidence of atherosclerosis. The acid CEH level of TIA patients was significantly lower than that of controls (1074 +/- ...

journal_title：Lipids

authors： Yatsu FM,Hagemenas FC,Manaugh LC,Galambos T

更新日期：1980-12-01 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：:Stimulation of platelets induces a rapid release of arachidonate from specific phospholipids and subsequent remodeling of arachidonate-containing phospholipids. This process is accompanied by transformation of released arachidonate by cyclooxygenase and lipoxygenase enzymes. We addressed the question of whether the cy...

journal_title：Lipids

authors： Chevy F,Wolf C,Colard O

更新日期：1991-12-01 00:00:00

abstract：:Triacylglycerols containing linoleate and linolenate found in vegetable oils were synthesized in gram quantities for oxidation studies. Two acylation methods were examined to convert diacylglycerols or monoacylglycerols to the desired triacylglycerols. Acylations with fatty acid and 1,1'-dicyclohexylcarbodiimide in th...

journal_title：Lipids

authors： Awl RA,Frankel EN,Weisleder D

更新日期：1989-10-01 00:00:00

abstract：:The aim of the present study was to develop a cell culture system for studying the proliferation and differentiation of preadipocytes isolated from Atlantic salmon adipose tissue. The expression of proliferating cell nuclear antigen (PCNA) was used as a marker for cell proliferation. The cells started to proliferate w...

journal_title：Lipids

authors： Vegusdal A,Sundvold H,Gjøen T,Ruyter B

更新日期：2003-03-01 00:00:00

abstract：:The conversion of [14C]-labeled compounds such as acetate, glucose, pyruvate and palmitate into CO2, glyceride-glycerol, glyceride fatty acids and total lipids was monitored in the average and matching adipocyte (with respect to size) preparations from young (6-9 wk) and old (age 56-60 wk) male Sprague-Dawley rats. Th...

journal_title：Lipids

authors： Jamdar SC,Osborne LJ,Wells GN

更新日期：1986-07-01 00:00:00

abstract：:Groups of C57Bl/6J mice, fed either a cis (C-Diet) or trans diet (T-Diet) were milked without preconditioning at 6, 8, 10 and 12 days postpartum. On day 10, groups of mice were also milked 4, 6 and 18 h after separation of the pups. Except for the 18-h separation, all T-Diet fed animals produced milk of lower fat cont...

journal_title：Lipids

authors： Teter BB,Sampugna J,Keeney M

更新日期：1992-11-01 00:00:00

abstract：:The artificial rearing model was used to investigate the effects of short-term exposure to ethanol on growth and fatty acid composition of forebrain (FB) and cerebellum (CB) during the brain growth spurt in either n-3 fatty acid-adequate (AD) or n-3 deficient (DEF) rat pups. On postnatal day 5, offspring of female rat...

journal_title：Lipids

authors： Ward GR,Xing HC,Wainwright PE

更新日期：1999-11-01 00:00:00

abstract：:The molecular species in mixtures of phospholipid hydroperoxides are difficult to separate and identify by typical chromatographic and mass spectrometric techniques. As reported by Havrilla and coworkers, silver ion coordination ion-spray mass spectrometry (CIS-MS) has proven to be a powerful technique for the identif...

journal_title：Lipids

authors： Milne GL,Porter NA

更新日期：2001-11-01 00:00:00

abstract：:Neutrophils play a major role in inflammation by releasing large amounts of reactive oxygen species (ROS) produced by NADPH oxidase (NOX) and myeloperoxidase (MPO). This ROS overproduction is mediated by phosphorylation of the NOX subunits in an uncontrolled manner. Therefore, targeting neutrophil subunits would repre...

journal_title：Lipids

authors： Liu M,Boussetta T,Makni-Maalej K,Fay M,Driss F,El-Benna J,Lagarde M,Guichardant M

更新日期：2014-01-01 00:00:00

abstract：:The present study aimed to elucidate the effective phylogenetic specificity of distribution of a cis-4,7,10, trans-13-22:4 (22:4(n-9)Delta13trans) among pectinids. For this purpose, we extended the analysis of membrane glycerophospholipids FA composition to 13 species of scallops, covering 11 genera and 7 tribes repre...

journal_title：Lipids

authors： Kraffe E,Grall J,Palacios E,Guerra C,Soudant P,Marty Y

更新日期：2010-05-01 00:00:00

abstract：:The biosynthesis of 3R-hydroxy-5Z, 8Z, 11Z,14Z-eicosatetraenoic acid (3R-HETE) from arachidonic acid (20:4n-6) by the hyphal-forming yeast, Dipodascopsis uninucleata, in cell-free enzyme extracts required CoASH, ATP, NAD+ and Mg2+; 3R-HETE was present as the CoA derivative in enzyme extracts and its biosynthesis was a...

journal_title：Lipids

authors： Fox SR,Hamberg M,Friend J,Ratledge C

更新日期：2000-11-01 00:00:00

abstract：:New methods and analytical approaches are important to challenge and/or validate established beliefs in any field including the metabolism of polyunsaturated fatty acids (PUFA; polyunsaturates). Four methods that have recently been applied toward obtaining a better understanding of the homeostasis of PUFA include the ...

journal_title：Lipids

authors： Cunnane SC

更新日期：2001-09-01 00:00:00

abstract：:The aim of the present work was to study the effect of season on phospholipids and triacylglycerols (TAG) of mantle and tentacles of female and male wild Sepia officinalis. The identified phospholipids were phosphatidylethanolamine (PtdEtn), phosphatidylcholine (PtdCho), phosphatidylserine (PtdSer), and phosphatidylin...

journal_title：Lipids

authors： Tir M,El Cafsi I,Ammar RB,Mejri H,Tlili N,El Cafsi M

更新日期：2019-02-01 00:00:00

abstract：:Using an experimental model that enables the effects of alcohol to be distinguished from the effects of the nonalcoholic components present in wine, we determined whether wine has effects other than those of alcohol on the metabolism of cholesterol. Male rats were fed a standard diet and had free access to water and e...

journal_title：Lipids

authors： Cascón E,Roig R,Ardèvol A,Salvadó MJ,Arola L,Bladé C

更新日期：2001-04-01 00:00:00

abstract：:The effects of 5c,11c,14c-eicosatrienoic acid (20:3BSO) and 5c,11c,14c,17c-eicosatetraenoic acid (20:4BSO), polyunsaturated fatty acids (PUFA) contained in Biota orientalis seed oil (BSO), on lipid metabolism in rats were compared to the effects of fats rich in linoleic acid (LA) or alpha-linolenic acid (ALA) under si...

journal_title：Lipids

authors： Ikeda I,Oka T,Koba K,Sugano M,Lie Ken Jie MS

更新日期：1992-07-01 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 have developed cultures of smooth muscle cells (SMC) isolated from arterial hypercholesterolemic chicks (cholesterol-SMC). These cultures are suitable for the study at the molecular level of the changes in arterial SMC induced by a cholesterol diet. By using a strong dose of cholesterol (5%) for 10 d, we obtained v...

journal_title：Lipids

authors： Carazo A,Alejandre J,Diaz R,Ríos A,Castillo M,Linares A

更新日期：1998-02-01 00:00:00

abstract：:The purpose of the present study was to investigate the effects of gamma linolenic acid (GLA) on cardiovascular responses to psychosocial stress (isolation) and to pressor hormones in the genetically borderline hypertensive rat (SHR X WKY). Adult male SHR X WKY were divided into two groups following five weeks of grou...

journal_title：Lipids

authors： Mills DE,Summers MR,Ward RP

更新日期：1985-09-01 00:00:00

abstract：:An improved headspace capillary gas chromatographic (GC) method was developed to measure the oxidative susceptibility of human red blood cell (RBC) membranes. This method analyzed volatile peroxidation products of both n-6 (hexanal and pentane) and n-3 (propanal) polyunsaturated fatty acids. Oxidative susceptibility t...

journal_title：Lipids

authors： Frankel EN,Tappel AL

更新日期：1991-06-01 00:00:00

abstract：:Camelina sativa is an oilseed plant rich in n-3 and n-6 fatty acids and extruding the seeds results in high protein meal (*40%) containing high levels of n-3 fatty acids. In this study, we examined the effects of feeding extruded defatted camelina meal to commercial laying hens, measuring egg production, quality, and ...

journal_title：Lipids

authors： Kakani R,Fowler J,Haq AU,Murphy EJ,Rosenberger TA,Berhow M,Bailey CA

更新日期：2012-05-01 00:00:00

abstract：:A new method of isoelectric focusing (IEF) and pH gradient electrophoresis, using thin layers of agarose gel beads, was devised to investigate chylomicrons and very low density lipoproteins (VLDL). pH gradient stability and cathodal gradient drift were similar to those of polyacrylamide gel IEF, and linearity of gradi...

journal_title：Lipids

authors： Vost A,Pocock DM,Pleet S

更新日期：1979-10-01 00:00:00

abstract：:Rats were fed semipurified diets containing olive oil or partially hydrogenated corn oil at the 5 or 20% level for ca. 30 days. These fat diets contained the same amount of octadecenoate but differed in the geometry with respect to each fat level. Contents of t-18:1 were 26% and 41% of total fatty acids, respectively....

journal_title：Lipids

authors： Watanabe M,Cho YJ,Ide T,Sugano M

更新日期：1984-02-01 00:00:00

abstract：:Type 2 diabetes mellitus (T2DM) often occurs concurrently with high blood cholesterol or dyslipidemia. Although T2DM has been hypothesized to impair bone microstructure, several investigations showed that, when compared to age-matched healthy individuals, T2DM patients had normal or relatively high bone mineral densit...

journal_title：Lipids

authors： Lapmanee S,Charoenphandhu N,Aeimlapa R,Suntornsaratoon P,Wongdee K,Tiyasatkulkovit W,Kengkoom K,Chaimongkolnukul K,Seriwatanachai D,Krishnamra N

更新日期：2014-10-01 00:00:00

abstract：:Oxidized low density lipoprotein (Ox-LDL) is a well-established risk factor in atherosclerosis and lysophosphatidylcholine (LysoPtdCho) is considered to be one of the major atherogenic component of Ox-LDL. The purpose of this work was to investigate the effects of two membrane n-3 long chain polyunsaturated fatty acid...

journal_title：Lipids

authors： Tardivel S,Gousset-Dupont A,Robert V,Pourci ML,Grynberg A,Lacour B

更新日期：2009-03-01 00:00:00

abstract：:In an attempt to clarify the mechanism of lipid accumulation inMortierella ramanniana var.angulispora, diacylglycerol acyltransferase (DGAT) in the membrane fraction from this fungus was characterized. The enzyme had an optimum pH of 7.0-7.5, and enzyme activity was blocked by SH-reagents. Metal ions were not essentia...

journal_title：Lipids

authors： Kamisaka Y,Yokochi T,Nakahara T,Suzuki O

更新日期：1993-07-01 00:00:00