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Epa omega-3

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https://www.readbyqxmd.com/read/27902774/intravenous-treatment-with-a-long-chain-omega-3-lipid-emulsion-provides-neuroprotection-in-a-murine-model-of-ischemic-stroke-a-pilot-study
#1
Dirk Berressem, Konrad Koch, Nicole Franke, Jochen Klein, Gunter P Eckert
Single long-chain omega-3 fatty acids (e.g. docosahexaenoic acid (DHA) or eicosapentaenoic acid (EPA)) are known for their neuroprotective properties associated with ischemic stroke. This pilot study aimed to test the effectiveness of an acute treatment with a long-chain omega-3 lipid emulsion (Omegaven 10%®, OGV) that contains fish oil (DHA 18 mg/ml; EPA 21 mg/ml) and α-tocopherol (0.2 mg/ml) in a transient middle cerebral artery occlusion (MCAO) model of ischemic stroke in mice. For this purpose, female CD-1 mice were anesthetized and subjected to 90 minutes of MCAO...
2016: PloS One
https://www.readbyqxmd.com/read/27902432/self-replicating-shuttle-vectors-based-on-pans-a-small-endogenous-plasmid-of-the-unicellular-cyanobacterium-synechococcus-elongatus-pcc-7942
#2
You Chen, Arnaud Taton, Michaela Go, Ross E London, Lindsey M Pieper, Susan S Golden, James W Golden
To facilitate development of synthetic biology tools for genetic engineering of cyanobacterial strains, we constructed pANS-derived self-replicating shuttle vectors that are based on the minimal replication element of the Synechococcus elongatus strain PCC 7942 plasmid pANS. To remove the possibility of homologous recombination events between the shuttle plasmids and the native pANS plasmid, the endogenous pANS was cured through plasmid incompatibility-mediated spontaneous loss. A heterologous toxin-antitoxin cassette was incorporated into the shuttle vectors for stable plasmid maintenance in the absence of antibiotic selection...
October 14, 2016: Microbiology
https://www.readbyqxmd.com/read/27880795/the-association-of-fatty-acid-levels-and-gleason-grade-among-men-undergoing-radical-prostatectomy
#3
Zhiguo Zhao, Lael Reinstatler, Zachary Klaassen, Yi Xu, Xiaoyu Yang, Rabii Madi, Martha K Terris, Steven Y Qian, Uddhav Kelavkar, Kelvin A Moses
BACKGROUND: Epidemiological data suggest that omega-6 (ω-6) fatty acids (FAs) may be associated with cancer incidence and/or cancer mortality, whereas ω-3 FAs are potentially protective. We examined the association of the ratio of ω-6 to ω-3 FA (ω-6:ω-3) and individual FA components with pathological results among men with prostate cancer (PCa) undergoing radical prostatectomy. METHODS: Sixty-nine men were included in the study. Components of ω-6 (linoleic acid (LA), arachidonic acid (AA), and dihomo-γ-linolenic acid (DGLA)) and ω-3 (docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA)) were analyzed by liquid chromatography/mass selective detector separation...
2016: PloS One
https://www.readbyqxmd.com/read/27876761/early-infant-adipose-deposition-is-positively-associated-with-the-n-6-to-n-3-fatty-acid-ratio-in-human-milk-independent-of-maternal-bmi
#4
M C Rudolph, B E Young, D J Lemas, C E Palmer, T L Hernandez, L A Barbour, J E Friedman, N F Krebs, P S MacLean
BACKGROUND/OBJECTIVES: Excessive infant weight gain in the first 6-months of life is a powerful predictor of childhood obesity and related health risks. In mice, omega-6 fatty acids (FA) serve as potent ligands driving adipogenesis during early development. The ratio of omega-6 relative to omega-3 (n-6/n-3) FA in human milk (HM) has increased 3-fold over the last 30 years, but the impact of this shift on infant adipose development remains undetermined. This study investigated how maternal obesity and maternal dietary FA (as reflected in maternal red blood cells (RBC) composition) influenced HM n-6 and n-3 FAs, and whether the HM n-6/n-3 ratio was associated with changes in infant adipose deposition between 2-weeks and 4-months postpartum...
November 23, 2016: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/27873157/eicosapentaenoic-acid-triggers-ca-2-release-and-ca-2-influx-in-mouse-cerebral-cortex-endothelial-bend-3-cells
#5
King-Chuen Wu, Kar-Lok Wong, Mei-Ling Wang, Lian-Ru Shiao, Iat-Lon Leong, Chi-Li Gong, Ka-Shun Cheng, Paul Chan, Yuk-Man Leung
Eicosapentaenoic acid (EPA), an omega-3 fatty acid abundant in fish oil, protects endothelial cells (EC) from lipotoxicity and triggers EC NO release. The latter is related to an elevation of cytosolic Ca(2+). Although EPA has been shown to cause human EC cytosolic Ca(2+) elevation, the mechanism is unclear. Microfluorimetric imaging was used here to measure free cytosolic Ca(2+) concentration. EPA was shown to cause intracellular Ca(2+) release in mouse cerebral cortex endothelial bEND.3 cells; interestingly, the EPA-sensitive intracellular Ca(2+) pool(s) appeared to encompass and was larger than the Ca(2+) pool mobilized by sarcoplasmic-endoplasmic reticulum Ca(2+)-ATPase inhibition by cyclopiazonic acid...
November 21, 2016: Journal of Physiological Sciences: JPS
https://www.readbyqxmd.com/read/27865614/plasma-eicosapentaenoic-acid-is-negatively-associated-with-all-cause-mortality-among-men-and-women-in-a-population-based-prospective-study
#6
Kyoko Miura, Maria Celia B Hughes, Jacobus Pj Ungerer, Adèle C Green
Omega-3 polyunsaturated fatty acids (PUFAs) have anti-inflammatory properties, whereas omega-6 PUFAs appear to have proinflammatory properties. We aimed to assess plasma omega-3 and omega-6 PUFA status in relation to all-cause mortality in an Australian community-based study. We hypothesized that omega-3 PUFA would be inversely associated, and omega-6 PUFA positively associated with all-cause mortality. Plasma phospholipid omega-3 (eicosapentaenoic acid [EPA], docosapentaenoic acid [DPA], docosahexaenoic acid, α-linolenic acid, and total) and omega-6 PUFAs (linoleic acid, arachidonic acid, and total) were measured among 1008 adults (44% men) in 1996...
September 13, 2016: Nutrition Research
https://www.readbyqxmd.com/read/27864687/omega-3-fatty-acid-epa-improves-regenerative-capacity-of-mouse-skeletal-muscle-cells-exposed-to-saturated-fat-and-inflammation
#7
Amarjit Saini, Adam P Sharples, Nasser Al-Shanti, Claire E Stewart
Sarcopenic obesity is characterised by high fat mass, low muscle mass and an elevated inflammatory environmental milieu. We therefore investigated the effects of elevated inflammatory cytokine TNF-α (aging/obesity) and saturated fatty acid, palmitate (obesity) on skeletal muscle cells in the presence/absence of EPA, a-3 polyunsaturated fatty acid with proposed anti-inflammatory, anti-obesity activities. In the present study we show that palmitate was lipotoxic, inducing high levels of cell death and blocking myotube formation...
November 18, 2016: Biogerontology
https://www.readbyqxmd.com/read/27861744/omega-3-production-by-fermentation-of-yarrowia-lipolytica-from-fed-batch-to-continuous
#8
Dongming Xie, Edward Miller, Pamela Sharpe, Ethel Jackson, Quinn Zhu
The omega-3 fatty acid, cis-5,8,11,14,17-eicosapentaenoic acid (C20:5; EPA) has wide-ranging benefits in improving heart health, immune function, and mental health. A sustainable source of EPA production through fermentation of metabolically engineered Yarrowia lipolytica has been developed. In this paper, key fed-batch fermentation conditions were identified to achieve 25% EPA in the yeast biomass, which is so far the highest EPA titer reported in the literature. Dynamic models of the EPA fermentation process were established for analyzing, optimizing, and scaling up the fermentation process...
November 14, 2016: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/27827947/australian-and-new-zealand-fish-oil-products-in-2016-meet-label-omega-3-claims-and-are-not-oxidized
#9
Peter D Nichols, Lalen Dogan, Andrew Sinclair
We provide new fish oil product results to assist industry in Australia and New Zealand and, ultimately, consumers in understanding the high product quality assurance protocols in place, together with the high product quality that has been determined by both industry and independent laboratories. Fish oil capsule products common to Australia and New Zealand were purchased in May 2016 in Richmond, Victoria, Australia. Products were from two groups; five standard fish oil products and five fish oil concentrates...
November 5, 2016: Nutrients
https://www.readbyqxmd.com/read/27824904/circulating-omega-6-but-not-omega-3-polyunsaturated-fatty-acids-are-associated-with-clinical-outcomes-in-patients-with-acute-decompensated-heart-failure
#10
Toshiyuki Nagai, Yasuyuki Honda, Yasuo Sugano, Kunihiro Nishimura, Michikazu Nakai, Satoshi Honda, Naotsugu Iwakami, Atsushi Okada, Yasuhide Asaumi, Takeshi Aiba, Teruo Noguchi, Kengo Kusano, Hisao Ogawa, Satoshi Yasuda, Toshihisa Anzai
BACKGROUND: Circulating polyunsaturated fatty acid (PUFA) levels are associated with clinical outcomes in cardiovascular diseases including coronary artery disease and chronic heart failure (HF). However, their clinical implications in acute decompensated HF (ADHF) remain unclear. The aim of this study was to investigate the clinical roles of circulating PUFAs in patients with ADHF. METHODS: Circulating levels of PUFAs, eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA), arachidonic acid (AA) and dihomo-gamma linoleic acid (DGLA), were measured on admission in 685 consecutive ADHF patients...
2016: PloS One
https://www.readbyqxmd.com/read/27819772/triglycerides-atherosclerosis-and-cardiovascular-outcome-studies-focus-on-omega-3-fatty-acids
#11
Yehuda Handelsman, Michael D Shapiro
Despite improved atherosclerotic cardiovascular disease (ASCVD) outcomes with statin therapy, residual risk remains. Recent genetic insights provide further compelling evidence that triglycerides are in the causal pathway for the development of atherosclerosis, thereby renewing interest in targeting triglycerides to improve ASCVD outcomes. Fibrates, niacin, and omega-3 fatty acids (OM3FAs) are 3 classes of triglyceride-lowering drugs. Outcome studies with triglyceride-lowering agents have been inconsistent...
November 7, 2016: Endocrine Practice
https://www.readbyqxmd.com/read/27818127/novel-n-3-pufa-monoacylglycerides-of-pharmacological-and-medicinal-interest-anti-inflammatory-and-anti-proliferative-effects
#12
REVIEW
Rayan Khaddaj-Mallat, Caroline Morin, Éric Rousseau
Newly-synthesized, eicosapentaenoic acid monoacylglyceride (MAG-EPA), docosahexaenoic acid monoacylglyceride (MAG-DHA) and docosapentaenoic acid monoacylglyceride (MAG-DPA) have been demonstrated to display beneficial effects in several disorders including chronic airway inflammatory diseases, pulmonary hypertension, rheumatoid arthritis, and lung and colorectal adenocarcinoma. Recent evidence reveals that omega-3 polyunsaturated fatty acid (n-3 PUFA) precursors provide a window to explore the pathobiology of inflammatory disease as well as structural templates for the design of novel pro-resolving precursors that are well absorbed by the gastrointestinal (GI) tract and metabolized into bioactive metabolites...
November 3, 2016: European Journal of Pharmacology
https://www.readbyqxmd.com/read/27817918/a-randomized-double-masked-placebo-controlled-clinical-trial-of-two-forms-of-omega-3-supplements-for-treating-dry-eye-disease
#13
Laura A Deinema, Algis J Vingrys, Chinn Yi Wong, David C Jackson, Holly R Chinnery, Laura E Downie
PURPOSE: To assess the efficacy of 2 forms of oral long-chain omega-3 (ω-3) essential fatty acid (EFA) supplements, phospholipid (krill oil) and triacylglyceride (fish oil), for treating dry eye disease (DED). DESIGN: Randomized, double-masked, placebo-controlled clinical trial. PARTICIPANTS: This study was conducted at a single site and involved 60 participants with mild to moderate DED who were randomized (1:1:1) to 1 of 3 groups: placebo (olive oil), krill oil, or fish oil supplements...
November 3, 2016: Ophthalmology
https://www.readbyqxmd.com/read/27813426/eicosapentaenoic-acid-and-docosahexaenoic-acid-increase-the-degradation-of-amyloid-%C3%AE-by-affecting-insulin-degrading-enzyme
#14
Marcus O W Grimm, Janine Mett, Christoph P Stahlmann, Viola J Haupenthal, Tamara Blümel, Hannah Stötzel, Heike S Grimm, Tobias Hartmann
Omega-3 polyunsaturated fatty acids (PUFAs) have been proposed to be highly beneficial in Alzheimer's disease (AD). AD pathology is closely linked to an overproduction and accumulation of amyloid-β (Aβ) peptides as extracellular senile plaques in the brain. Total Aβ levels are not only dependent on its production by proteolytic processing of the amyloid precursor protein (APP), but also on Aβ-clearance mechanisms, including Aβ-degrading enzymes. Here we show that the omega-3 PUFAs eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) increase Aβ-degradation by affecting insulin-degrading enzyme (IDE), the major Aβ-degrading enzyme secreted into the extracellular space of neuronal and microglial cells...
December 2016: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/27793418/omega-3-fatty-acids-decreases-oxidative-stress-tumor-necrosis-factor-alpha-and-interleukin-1-beta-in-hyperthyroidism-induced-hepatic-dysfunction-rat-model
#15
Asmaa M S Gomaa, Ebtihal A Abd El-Aziz
Hyperthyroidism is associated with abnormalities of the liver. Omega-3 polyunsaturated fatty acids, especially their long-chain forms: eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) have beneficial health effects. The objectives of the present study were to assess hyperthyroidism-induced hepatic dysfunction in adult male rats and to evaluate the ameliorative effects of omega-3 on hyperthyroidism-induced hepatic dysfunction and the underlying mechanisms. Twenty four adult male rats were randomly divided into three equal groups; control group which received water for 6 weeks, hyperthyroid group which received L-thyroxine orally for 6 weeks and hyperthyroid omega-3 treated group which received L-thyroxine for 2 weeks and then co-treated with L-thyroxine and omega-3 oral compound containing 18% of EPA and 12% of DHA for 4 weeks...
December 2016: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/27766299/role-of-omega-3-fatty-acids-in-the-etiology-treatment-and-prevention-of-depression-current-status-and-future-directions
#16
Robert K McNamara
Over the past three decades a body of translational evidence has implicated dietary deficiency in long-chain omega-3 (LCn-3) fatty acids, including eicosapenaenoic acid (EPA) and docosahexaenoic acid (DHA), in the pathophysiology and etiology of major depressive disorder (MDD). Cross-national and cross-sectional data suggest that greater habitual intake of preformed EPA+DHA is associated with reduced risk for developing depressive symptoms and syndromal MDD. Erythrocyte EPA and DHA composition is highly correlated with habitual fish or fish oil intake, and case-control studies have consistently observed lower erythrocyte EPA and/or DHA levels in patients with MDD...
September 2016: Journal of Nutrition & Intermediary Metabolism
https://www.readbyqxmd.com/read/27751666/omega-3-fatty-acids-inflammatory-status-and-biochemical-markers-of-patients-with-systemic-lupus-erythematosus-a-pilot-study
#17
Mariane Curado Borges, Fabiana de Miranda Moura Dos Santos, Rosa Weiss Telles, Marcus Vinícius Melo de Andrade, Maria Isabel Toulson Davisson Correia, Cristina Costa Duarte Lanna
BACKGROUND: Studies have shown that omega-3 fatty acids reduce the concentrations of eicosanoids, cytokines, chemokines, C-reactive protein (CRP) and other inflammatory mediators. OBJECTIVE: To investigate the effects of omega-3 fatty acids on circulating levels of inflammatory mediators and biochemical markers in women with systemic lupus erythematosus (SLE). METHODS: Experimental clinical study (clinical trial: NCT02524795); 49 women with SLE (ACR1982/1997) were randomized: 22 to the omega-3 group (daily intake of 1080mg EPA+200mg DHA, for 12 weeks) and 27 to the control group...
September 22, 2016: Revista Brasileira de Reumatologia
https://www.readbyqxmd.com/read/27742581/oxidative-stress-predicts-depressive-symptom-changes-with-omega-3-fatty-acid-treatment-in-coronary-artery-disease-patients
#18
Graham Mazereeuw, Nathan Herrmann, Ana C Andreazza, Gustavo Scola, David W L Ma, Paul I Oh, Krista L Lanctôt
BACKGROUND: Antidepressant efficacy of omega-3 polyunsaturated fatty acid (n-3 PUFA) treatment in coronary artery disease (CAD) patients remains unpredictable. N-3 PUFA can mitigate oxidative stress, which is common in CAD and may contribute to depressive symptoms. This study investigated whether greater pre-treatment oxidative stress, measured by the ratios of late-stage lipid peroxidation markers (malondialdehyde [MDA], 4-hydroxy-2-nonenal [4-HNE], and 8-isoprostane [8-ISO]) to an early-stage marker (lipid hydroperoxides [LPH]), predicted n-3 PUFA antidepressant benefits in CAD...
October 11, 2016: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/27737607/the-effect-of-inorganic-salts-on-bacterial-omega-3-pufa-production
#19
Ahmed Abd Elrazak, Alan C Ward, Jarka Glassey
The increase demand of Omega-3 in the market and the challenges facing its conventional supplies led to an increase interest to microbial Omega-3 sources. This research concentrates on the statistical role of some metal ions on the biosynthesis and productivity of eicosapentanoic acid (essential omega-3 element) in bacterial isolate, Shewanella 717. A Plackett-Burman design was applied to screen the main effect of all metal salts entrenched in the Artifical Sea Water medium components. Four salts in particular in addition to the interaction among them were highlighted as having a statistically significant effect upon the growth and/or EPA production...
October 13, 2016: Preparative Biochemistry & Biotechnology
https://www.readbyqxmd.com/read/27733252/effects-of-eicosapentaenoic-acid-and-docosahexaenoic-acid-on-cardiovascular-disease-risk-factors-a-randomized-clinical-trial
#20
Ivor B Asztalos, Joi A Gleason, Sakine Sever, Reyhan Gedik, Bela F Asztalos, Katalin V Horvath, Michael L Dansinger, Stefania Lamon-Fava, Ernst J Schaefer
BACKGROUND: Eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), the primary omega-3 fatty acids in fish oil, have been shown to reduce cardiovascular disease (CVD) risk. OBJECTIVE: This study aimed to examine the independent effects of EPA and DHA on lipid and apolipoprotein levels, as well as on inflammatory biomarkers of CVD risk, using doses often used in the general population. DESIGN: A blinded, randomized 6-week trial was performed in 121 healthy, normolipidemic subjects who received olive oil placebo 6g/d, EPA 600mg/d, EPA 1800mg/d, or DHA 600mg/d...
November 2016: Metabolism: Clinical and Experimental
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