Effects of eicosatetraynoic acid on membrane lipids of trout liver and intestine.

abstract：:By using reverse transcription-polymerase chain reaction technology (RT-PCR) and Northern blot analysis, the tissue-specific mRNA expression patterns of seven mouse lipoxygenases (LOX)--including 5S-, 8S-, three isoforms of 12S-, 12R-LOX, and a LOX of an as-of-yet unknown specificity, epidermis-type LOX-3 (e-LOX-3)--w...

journal_title：Lipids

authors： Heidt M,Fürstenberger G,Vogel S,Marks F,Krieg P

更新日期：2000-07-01 00:00:00

abstract：:The effects of tumor growth on lipid metabolism were investigated by evaluating serum lipids, lipoprotein lipase activity (LPLA), the lipogenic enzymes, urinary catecholamines along with serum insulin and glucagon levels. We injected 1.5 X 10(6) cells of rat mammary tumor, AC33, and killed the rats on the 18th day. Se...

journal_title：Lipids

authors： Lanza-Jacoby S,Miller EE,Rosato FE

更新日期：1982-12-01 00:00:00

abstract：:Adult male marmoset monkeys were fed eicosapentaenoic acid (20:5n-3) as the ethyl ester in diets containing either 32% (reference diet, no added cholesterol) or 7% (atherogenic diet with 0.2% added cholesterol) linoleic acid (18:2n-6) for 30 wk. No changes were seen in the level of phosphatidylcholine (PC) or phosphat...

journal_title：Lipids

authors： Gibson RA,Neumann MA,Burnard SL,Rinaldi JA,Patten GS,McMurchie EJ

更新日期：1992-03-01 00:00:00

abstract：:Studies are reported on the capacity of isolated rat renal papilla (inner medulla) to synthesize and release prostaglandin (PG) E from endogenous and exogenous precursor(s) during development of an essential fatty acid (EFA) deficiency in the rat. Weanling (21-day-old) male Sprague-Dawley rats were fed a fat-free diet...

journal_title：Lipids

authors： Dunham EW,Balasingam M,Privett OS,Nickell EC

更新日期：1978-12-01 00:00:00

abstract：:The effect of apo very low density lipoprotein (apo VLDL) and apoprotein C-II on the phospholipase A1 activity associated with lipoprotein lipase (E.C.3.1.1.3) was studied using purified bovine milk lipoprotein lipase. The enzyme degraded 14C phosphatidylcholine (PC) to 14C 2-acyl lysophosphatidylcholine at a rate of ...

journal_title：Lipids

authors： Stocks J,Galton DJ

更新日期：1980-03-01 00:00:00

abstract：:Azaserine induced two phenotypically different populations of foci, namely, acidophilic and basophilic foci. The effects of dietary modification during the post-initiation phase of carcinogenesis were examined. A diet of 20% (w/w) unsaturated fat (unsat) compared to a 20% saturated fat (sat) diet or a control diet (5%...

journal_title：Lipids

authors： Roebuck BD

更新日期：1986-04-01 00:00:00

abstract：:The antioxidant effects of natural estrogens (estrone, E1; 17 beta-estradiol), synthetic estrogens (17 alpha-ethynylestradiol, EE2; mestranol, MES; diethylstilbestrol, DES) and catecholestrogens (2-hydroxyestradiol; 4-hydroxyestradiol, 4-OHE2) on lipid peroxidation induced by different means in rat liver microsomes we...

journal_title：Lipids

authors： Lacort M,Leal AM,Liza M,Martín C,Martínez R,Ruiz-Larrea MB

更新日期：1995-02-01 00:00:00

abstract：:Fourteen pairs of obese female monozygotic twins were recruited for a study of genetic influences on serum and adipose fatty acid (FA) composition. Following 1 wk of inpatient stabilization, fasting serum and adipose tissue obtained by surgical excision were analyzed by thin-layer and gas chromatography. Intrapair res...

journal_title：Lipids

authors： Kunesová M,Hainer V,Tvrzicka E,Phinney SD,Stich V,Parízková J,Zák A,Stunkard AJ

更新日期：2002-01-01 00:00:00

abstract：:A detailed structural diversity of dienoic fatty acids (FA), including non-methylene-interrupted dienoic FA, of triacylglycerols and polar lipids in ovaries of Cellana toreuma was clarified for the first time by using capillary gas chromatography-mass spectrometry of their 3-pyridylcarbinol esters and argentation thin...

journal_title：Lipids

authors： Kawashima H,Ohnishi M

更新日期：2016-02-01 00:00:00

abstract：:The reaction products of alpha-tocopherol and its model compound, 2,2,5,7,8-pentamethylchroman-6-ol, during the autoxidation of methyl linoleate at 37 C were investigated. Two isomeric trimers were obtained as the major reaction products of alpha-tocopherol, and a trimer was obtained as that of its model chroman. The ...

journal_title：Lipids

authors： Yamauchi R,Kato K,Ueno Y

更新日期：1988-08-01 00:00:00

abstract：:A method for the direct preparation of fatty-acid methyl esters (FAME) was simplified for fatty-acid analysis of a single fish larva using gas chromatography (GC). The method included the isolation of a larval trunk and drying in a glass vial, followed by saponification of all the contents without prior lipid extracti...

journal_title：Lipids

authors： Matsumoto Y,Ando Y,Hiraoka Y,Tawa A,Ohshimo S

更新日期：2018-09-01 00:00:00

abstract：:The effects of n-3 fatty acids on plasma lipids, lipoproteins and apoproteins have usually been studied in humans after feeding of purified fish oil. This study describes the effect of a natural diet, containing salmon as the source of n-3 fatty acids, on these parameters as compared to a diet very low in n-3 fatty ac...

journal_title：Lipids

authors： Lindgren FT,Adamson GL,Shore VG,Nelson GJ,Schmidt PC

更新日期：1991-02-01 00:00:00

abstract：:The hypothesis that the essential oil from Tagetes minuta L. can interact with biological membranes was investigated by assessing its ability of perturbing the binding of a benzodiazepine [flunitrazepam (FNTZ)] to crude members from chick brains. The essential oil from T. minuta L. inhibited [3H]FNTZ specific binding ...

journal_title：Lipids

authors： García DA,Perillo MA,Zygadlo JA,Martijena ID

更新日期：1995-12-01 00:00:00

abstract：:The objective of this study was to examine whether whole body oxidation rates of dietary linoleic, alpha-linolenic and oleic acids differ when the acids are provided in identical quantities. Male rats were fed for 10 wk a 15% fat (w/w) diet containing equal amounts of linoleic, alpha-linolenic and oleic acids (22.7, 2...

journal_title：Lipids

authors： Jones PJ

更新日期：1994-07-01 00:00:00

abstract：:Isolated perfused rat lungs liberated fatty acids at a rate of 15 mumol/hr during perfusion of triglyceride-rich medium through the pulmonary vascular bed. About 80% of this activity seemed to result from lipoprotein lipase and 20% to hormone-sensitive lipase. Ventilation of the lungs with cigarette smoke instead of a...

journal_title：Lipids

authors： Hartiala J,Viikari J,Hietanen E,Toivonen H,Uotila P

更新日期：1980-07-01 00:00:00

abstract：:This review covers the work of our laboratory on the antineoplastic activity of some ether lipids and derivatives that are related to platelet-activating factor (PAF). Various 1-O-alkyl lysophospholipid derivatives (ALP) show therapeutic activity in mouse transplant tumor models and in metastatic 3-Lewis lung carcinom...

journal_title：Lipids

authors： Berdel WE

更新日期：1987-11-01 00:00:00

abstract：:The purpose of the present study was to investigate the physiological control of the main regulatory enzymes of cholesterol metabolism in isolated enterocytes obtained from chick duodenum, jejunum and ileum. Cholesterol feeding resulted in an inhibition of 3-hydroxy-3-methyl-glutaryl-CoA reductase and mevalonate 5-pyr...

journal_title：Lipids

authors： Iglesias J,Gonzalez-Pacanowska D,Marco C,Garcia-Peregrin E

更新日期：1993-06-01 00:00:00

abstract：:The purpose of this study was to assess changes in the degree of fatty acid unsaturation in rat liver after partial hepatectomy. This is the first study in which liver fatty acid unsaturation has been analyzed over a long period of regeneration until day 28 after operation. The relationship between changes in unsatura...

journal_title：Lipids

authors： Kishino T,Tanno M,Yamada H,Saito S,Matsumoto S

更新日期：2000-04-01 00:00:00

abstract：:The effects of SMP-500, a novel ACAT inhibitor, on serum lipid levels, hepatic lipid secretion rate, and hepatic lipid disposition in rats were studied to clarify its lipid-lowering action. SMP-500 reduced the serum cholesterol level in a dose-dependent manner in rats fed a hypercholesterolemic diet. SMP-500 also redu...

journal_title：Lipids

authors： Ioriya K,Nishimura T,Ohashi N

更新日期：2002-04-01 00:00:00

abstract：:We have examined the possibility that human polymorphonuclear cells exposed to IgA immune complexes can mediate the production of platelet-activating factor (PAF) and oxygen radicals. We found that human IgA and IgG immune aggregates stimulated, to a similar extent, PAF and O2- production by human polymorphonuclear ce...

journal_title：Lipids

authors： Hernando P,Egido J,de Nicolas R,Gonzalez E

更新日期：1991-12-01 00:00:00

abstract：:In order to further characterize low density lipoprotein (LDL)-platelet interaction, we investigated the effect of protease pretreatment of human platelets on the subsequent binding of iodinated LDL (125I-LDL). Our results showed that the platelet LDL receptor had a proteolytic susceptibility different from that of bo...

journal_title：Lipids

authors： Pedreño J,Fernández R

更新日期：1995-10-01 00:00:00

abstract：:Weanling rats were fed essential fatty acid-deficient diets, either completely fat-free, or with partially hydrogenated fish oil (PHFO, 28 wt %), or with fractions derived from PHFO containing primarily positional isomers of trans-eicosenoate (20:1, 3 wt %) or trans-docosenoate (22:1, 3 wt %). Control animals were fed...

journal_title：Lipids

authors： Jensen B

更新日期：1976-03-01 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：:When fatty acids in fish are analyzed, results in percentage form (profile analysis) are mostly reported. However, the much more useful results expressed as mg/100 g (absolute analysis) is the main information required. Absolute methods based on calibration curves are of good accuracy but with a high degree of complex...

journal_title：Lipids

authors： Nevigato T,Masci M,Orban E,Di Lena G,Casini I,Caproni R

更新日期：2012-07-01 00:00:00

abstract：:The metabolic fate of high density lipoprotein (HDL) sphingomyelin in plasma was studied in rats over a 24-hr period after injection of HDL containing sphingomyelin which was 14C-labeled in the stearic (18:0) or lignoceric acid (24:0) moiety and 3H-labeled in the choline methyl groups. Decay of label in plasma followe...

journal_title：Lipids

authors： Bentejac M,Bugaut M,Delachambre MC,Lecerf J

更新日期：1990-10-01 00:00:00

abstract：:Because bile contains substantial amounts of cholesterol precursors, e.g., squalene and different methyl sterols, the fate of biliary squalene was studied by incubating isolated jejunal loops of the rat in vivo with bile containing 3H-squalene and 14C-cholesterol. After 90 min, no radioactivity was found in plasma lip...

journal_title：Lipids

authors： Strandberg TE

更新日期：1983-08-01 00:00:00

abstract：:Facile procedures are described for nearly quantitative conversion of saturated and unsaturated fatty aldehydes to their dimethyl acetals, and vice versa, at low temperatures. The methods are based on the chemical behavior of aldehydes and dimethyl acetals in 100% sulfuric acid. Under the experimental conditions descr...

journal_title：Lipids

authors： Mahadevan V,Viswanathan CV,Lundberg WO

更新日期：1966-09-01 00:00:00

abstract：:The activity of the platelet-activating factor (PAF)-synthesizing enzyme, 1-O-alkyl-sn-glycero-3-phosphocholine (lysoPAF):acetyl-CoA acetyltransferase (EC 2.3.1.67) in alveolar macrophage lysate was found to be elevated after warming the cells to 37 degrees C. Such an increase in enzyme activity was detectable only wh...

journal_title：Lipids

authors： Sugiura T,Fukuda T,Cheng NN,Waku K

更新日期：1991-11-01 00:00:00

abstract：:Microsomal and myelin membrane fractions were prepared from the brains of warm-adapted (room temperature) and hibernating Syrian Hamsters (Mesocricetus auratus). Ethanolamineglycerophospholipids were isolated and subjected to a fractionation scheme to separate the fatty acids of the plasmenylethanolamine and the phosp...

journal_title：Lipids

authors： Blaker WD,Moscatelli EA

更新日期：1979-12-01 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