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DHA and EPA

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https://www.readbyqxmd.com/read/28433853/addition-of-an-extract-of-lucerne-medicago-sativa-l-to-cattle-diets-effects-on-fatty-acid-profile-meat-quality-and-eating-quality-of-the-m-longissimus-muscle
#1
Siân B MacKintosh, Ian Richardson, Eun Joong Kim, Dirk Dannenberger, Didier Coulmier, Nigel D Scollan
There is considerable interest in enhancing beneficial fatty acids, particularly 18:3n-3, conjugated linoleic acid and long chain n-3 fatty acids such as eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), in beef to provide benefits to human health. Here, the potential to enhance these fatty acids by feeding a n-3 polyunsaturated fatty acid (PUFA)-rich plant extract (PX) from lucerne is presented. Cattle (n=8/diet) were assigned to the following finishing diets: straw and concentrate (S-CC); straw and concentrate containing 25% PX and 2000IUvitaminE/kg PX-concentrate (S-PXC); grass silage (GS); GS plus 75gPX/kg dry matter intake (DMI) (GS-LPX) or GS plus 150g PX/kg DMI (GS-HPX)...
April 8, 2017: Meat Science
https://www.readbyqxmd.com/read/28433363/the-molecular-impact-of-omega-3-fatty-acids-on-hepatic-pro-inflammatory-cytokine-signaling
#2
George J Ventro, Yingkui Yang, Min Chen, Carroll M Harmon
PURPOSE: Parenteral nutrition associated liver disease (PNALD) develops in a subset of children receiving parenteral nutrition for intestinal failure. Omegaven™ is an omega-3 fatty acid (Ω3FA) lipid emulsion high in docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) that can lessen PNALD. Inflammatory cytokines (IL-1, TNF-α, TGF-β) are elevated in PNALD and can decrease paraoxonase 1 protein expression (PON1). We sought to determine the effect of Omegaven™, EPA, and DHA on inflammatory cytokines TNF-α, IL-1, and TGF-β via ERK1/2 and p-Smad2/3 signaling pathways as well as the changes in intracellular PON1 protein expression as a potential mechanism explaining the protective effects of Omegaven™ and Ω3FA...
March 18, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28430821/dietary-dha-epa-ratio-affected-tissue-fatty-acid-profiles-antioxidant-capacity-hematological-characteristics-and-expression-of-lipid-related-genes-but-not-growth-in-juvenile-black-seabream-acanthopagrus-schlegelii
#3
Min Jin, Óscar Monroig, You Lu, Ye Yuan, Yi Li, Liyun Ding, Douglas R Tocher, Qicun Zhou
An 8-week feeding trial was conducted to investigate the effects of dietary docosahexaenoic to eicosapentaenoic acid ratio (DHA/EPA) on growth performance, fatty acid profiles, antioxidant capacity, hematological characteristics and expression of some lipid metabolism related genes of juvenile black seabream (Acanthopagrus schlegelii) of initial weight 9.47 ± 0.03 g. Five isonitrogenous and isolipidic diets (45% crude protein and 14% crude lipid) were formulated to contain graded DHA/EPA ratios of 0.65, 1...
2017: PloS One
https://www.readbyqxmd.com/read/28427779/fish-oil-lc-pufas-do-not-affect-blood-coagulation-parameters-and-bleeding-manifestations-analysis-of-8-clinical-studies-with-selected-patient-groups-on-omega-3-enriched-medical-nutrition
#4
Stephanie Jeansen, Renger F Witkamp, Jossie A Garthoff, Ardy van Helvoort, Philip C Calder
BACKGROUND & AIMS: The increased consumption of fish oil enriched-products exposes a wide diversity of people, including elderly and those with impaired health to relatively high amounts of n-3 long-chain polyunsaturated fatty acids (n-3 LC-PUFAs). There is an ongoing debate around the possible adverse effects of n-3 LC-PUFAs on bleeding risk, particularly relevant in people with a medical history of cardiovascular events or using antithrombotic drugs. METHODS: This analysis of 8 clinical intervention studies conducted with enteral medical nutrition products containing fish oil as a source of n-3 LC-PUFAs addresses the occurrence of bleeding-related adverse events and effects on key coagulation parameters (Prothrombin Time [PT], (activated) and Partial Thromboplastin Time [(a)PTT])...
March 29, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28424185/very-long-chain-%C3%AF-3-fatty-acid-supplements-and-adipose-tissue-functions-a-randomized-controlled-trial
#5
Kazanna C Hames, Maria Morgan-Bathke, Debra A Harteneck, Lendia Zhou, John D Port, Ian R Lanza, Michael D Jensen
Background: Increased omega-3 (n-3) fatty acid consumption is reported to benefit patients with metabolic syndrome, possibly due to improved adipose tissue function.Objective: We tested the effects of high-dose, very-long-chain ω-3 fatty acids on adipose tissue inflammation and insulin regulation of lipolysis.Design: A double-blind, placebo-controlled study compared 6 mo of 3.9 g eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA)/d (4.2 g total ω-3/d; n = 12) with a placebo (4.2 g oleate/d; n = 9) in insulin-resistant adults...
April 19, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28416862/biscuits-fortified-with-micro-encapsulated-shrimp-oil-characteristics-and-storage-stability
#6
Sirima Takeungwongtrakul, Soottawat Benjakul
Characteristics and storage stability of biscuits fortified with micro-encapsulated shrimp oil (MSO) were determined. The addition of MSO increased spread ratio, whilst decreased the thickness of biscuit. The highest hardness of biscuit was obtained with addition of 9 or 12% MSO. Biscuit surface showed higher redness and yellowness when MSO was incorporated (p < 0.05). The addition of MSO up to 6% had no adverse effect on biscuit quality and acceptability. When biscuits added with 6% MSO were stored under different illumination conditions (light and dark), lipid oxidation in all samples increased throughout the storage of 12 days...
April 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28410668/lipid-correlates-of-antidepressant-response-to-omega-3-polyunsaturated-fatty-acid-supplementation-a-pilot-study
#7
Licinia Ganança, Hanga C Galfalvy, Maria A Oquendo, Adrienne Hezghia, Thomas B Cooper, J John Mann, M Elizabeth Sublette
Low omega-3 polyunsaturated fatty acid (PUFA) levels are seen in major depression. We examined effects of six weeks of fish oil supplementation on clinical characteristics in 16 patients with symptomatic major depressive disorder, and tested plasma phospholipid levels of docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) as correlates of clinical response. Depression symptoms improved after supplementation (p=0.007). The reduction in depression severity was not predicted by baseline PUFA levels but did exhibit a relationship with endpoint PUFAs, correlating negatively with DHA as a percentage of plasma phospholipids (DHA%; R(2)=0...
April 2017: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/28410665/impact-of-dietary-precursor-ala-versus-preformed-dha-on-fatty-acid-profiles-of-eggs-liver-and-adipose-tissue-and-expression-of-genes-associated-with-hepatic-lipid-metabolism-in-laying-hens
#8
M Neijat, P Eck, J D House
Dietary omega-3 polyunsaturated fatty acids (n-3 PUFA), including alpha-linolenic acid (ALA) and preformed longer chain PUFA (LCPUFA, particularly docosahexaenoic acid, DHA) differ in their egg LCPUFA enrichment efficiency. However, mechanisms leading to these differences are unclear. To this end, omega-3 PUFA contents in different lipid classes, including triacylglycerol (TAG) and total phospholipid (PL) in yolk, liver and adipose, as well as the expression of key hepatic enzymes in lipid metabolism were evaluated in laying hens in response to changes in dietary supply...
April 2017: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/28410617/treatment-with-high-dose-n-3-pufas-has-no-effect-on-platelet-function-coagulation-metabolic-status-or-inflammation-in-patients-with-atherosclerosis-and-type-2-diabetes
#9
Malgorzata Poreba, Magdalena Mostowik, Aleksander Siniarski, Renata Golebiowska-Wiatrak, Krzysztof Piotr Malinowski, Maciej Haberka, Ewa Konduracka, Jadwiga Nessler, Anetta Undas, Grzegorz Gajos
BACKGROUND: Despite numerous studies on cardioprotective effects of omega-3 polyunsaturated fatty acids (n-3 PUFAs), there is limited evidence for n-3 PUFA-mediated effects, especially at its higher dose, on cardiovascular risk in patients with type 2 diabetes (DM2) and established atherosclerosis. PURPOSE: To investigate the effect of daily treatment with a higher dose (2 g) of n-3 PUFAs on platelet function, coagulation parameters, fibrin clot properties, markers of systemic inflammation and metabolic status, in patients with atherosclerotic vascular disease and DM2 who receive optimal medical therapy...
April 14, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28409336/dietary-docosahexaenoic-acid-and-trans-10-cis-12-conjugated-linoleic-acid-differentially-alter-oxylipin-profiles-in-mouse-periuterine-adipose-tissue
#10
Yuriko Adkins, Benjamin J Belda, Theresa L Pedersen, Dawn M Fedor, Bruce E Mackey, John W Newman, Darshan S Kelley
Diets containing high n-3 polyunsaturated fatty acids (PUFA) decrease inflammation and the incidence of chronic diseases including cardiovascular disease and nonalcoholic fatty liver disease while trans-fatty acids (TFA) intake increases the incidence of these conditions. Some health benefits of n-3 PUFA are mediated through the impact of their oxygenated metabolites, i.e. oxylipins. The TFA, trans-10, cis-12-conjugated linoleic acid (CLA; 18:2n-6) is associated with adipose tissue (AT) inflammation, oxidative stress, and wasting...
April 13, 2017: Lipids
https://www.readbyqxmd.com/read/28403232/an-oil-containing-epa-and-dha-from-transgenic-camelina-sativa-to-replace-marine-fish-oil-in-feeds-for-atlantic-salmon-salmo-salar-l-effects-on-intestinal-transcriptome-histology-tissue-fatty-acid-profiles-and-plasma-biochemistry
#11
Mónica B Betancor, Keshuai Li, Matthew Sprague, Tora Bardal, Olga Sayanova, Sarah Usher, Lihua Han, Kjell Måsøval, Ole Torrissen, Johnathan A Napier, Douglas R Tocher, Rolf Erik Olsen
New de novo sources of omega 3 (n-3) long chain polyunsaturated fatty acids (LC-PUFA) are required as alternatives to fish oil in aquafeeds in order to maintain adequate levels of the beneficial fatty acids, eicosapentaenoic and docosahexaenoic (EPA and DHA, respectively). The present study investigated the use of an EPA+DHA oil derived from transgenic Camelina sativa in Atlantic salmon (Salmo salar) feeds containing low levels of fishmeal (35%) and fish oil (10%), reflecting current commercial formulations, to determine the impacts on tissue fatty acid profile, intestinal transcriptome, and health of farmed salmon...
2017: PloS One
https://www.readbyqxmd.com/read/28400162/mammalian-alox15-orthologs-exhibit-pronounced-dual-positional-specificity-with-docosahexaenoic-acid
#12
Laura Kutzner, Kateryna Goloshchapova, Dagmar Heydeck, Sabine Stehling, Hartmut Kuhn, Nils Helge Schebb
Mammalian lipoxygenases (LOX) have been implicated in cell differentiation and in the pathogenesis of inflammatory, hyperproliferative and neurological diseases. Although the reaction specificity of mammalian LOX with n-6 fatty acids (linoleic acid, arachidonic acid) has been explored in detail little information is currently available on the product patterns formed from n-3 polyenoic fatty acids, which are of particular nutritional importance and serve as substrate for the biosynthesis of pro-resolving inflammatory mediators such as resolvins and maresins...
April 8, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28395666/hydroxytyrosol-prevents-reduction-in-liver-activity-of-%C3%AE-5-and-%C3%AE-6-desaturases-oxidative-stress-and-depletion-in-long-chain-polyunsaturated-fatty-acid-content-in-different-tissues-of-high-fat-diet-fed-mice
#13
Rodrigo Valenzuela, Francisca Echeverria, Macarena Ortiz, Miguel Ángel Rincón-Cervera, Alejandra Espinosa, María Catalina Hernandez-Rodas, Paola Illesca, Alfonso Valenzuela, Luis A Videla
BACKGROUND: Eicosapentaenoic acid (EPA, C20:5n-3), docosahexaenoic acid (DHA, C22:6n-3) and arachidonic acid (AA, C20:4n-6) are long-chain polyunsaturated fatty acids (LCPUFAs) with relevant roles in the organism. EPA and DHA are synthesized from the precursor alpha-linolenic acid (ALA, C18:3n-3), whereas AA is produced from linoleic acid (LA, C18:2n-6) through the action of Δ5 and Δ6-desaturases. High-fat diet (HFD) decreases the activity of both desaturases and LCPUFA accretion in liver and other tissues...
April 11, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28394002/supplementation-with-omega-3-acids-after-myocardial-infarction-and-modification-of-inflammatory-markers-in-light-of-the-patients-diet-a-preliminary-study
#14
Magdalena Makarewicz-Wujec, Gabriela Parol, Andrzej Parzonko, Małgorzata Kozłowska-Wojciechowska
BACKGROUND: Neuroendocrine activation, activation of proinflammatory cytokines and platelets, and endothelial dysfunction play a significant role in development of heart failure. AIM: The aim of the work was to assess the effect of supplementation with EPA and DHA in adaily dose of 1g on selected inflammatory markers and platelet activation in patients with heart failure after recent myocardial infarction in light of their diet. M ETHODS: This preliminary study was arandomised, double-blind trial involving 30patients with post-infarction heart failure...
April 10, 2017: Kardiologia Polska
https://www.readbyqxmd.com/read/28391893/red-blood-cell-polyunsaturated-fatty-acids-and-mortality-in-the-women-s-health-initiative-memory-study
#15
William S Harris, Juhua Luo, James V Pottala, Mark A Espeland, Karen L Margolis, Joann E Manson, Lu Wang, Theodore M Brasky, Jennifer G Robinson
BACKGROUND: The prognostic value of circulating polyunsaturated fatty acid (PUFA) levels is unclear. OBJECTIVES: To determine the associations between red blood cell (RBC) PUFA levels and risk for death. METHODS: This prospective cohort study included 6501 women aged 65 to 80 years who participated in the Women's Health Initiative Memory Study (enrolment began 1996). RBC PUFA levels were measured at baseline and expressed as a percent of total RBC PUFAs...
January 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/28381770/a-new-strategy-to-refine-crude-indian-sardine-oil
#16
S Charanyaa, Prasanna D Belur, I Regupathi
Current work aims to develop a refining process for removing phospholipids, free fatty acids (FFA), and metal ions without affecting n-3 polyunsaturated fatty acid (n-3 PUFA) esters present in the crude Indian sardine oil. Sardine oil was subjected to degumming with various acids (orthophosphoric acid, acetic acid, and lactic acid), conventional and membrane assisted deacidification using various solvents (methanol, ethanol, propanol and butanol) and bleaching with bleaching agents (GAC, activated earth and bentonite) and all the process parameters were further optimized...
April 4, 2017: Journal of Oleo Science
https://www.readbyqxmd.com/read/28379964/body-weight-affects-%C3%AF-3-polyunsaturated-fatty-acid-pufa-accumulation-in-youth-following-supplementation-in-post-hoc-analyses-of-a-randomized-controlled-trial
#17
Lisa M Christian, Andrea S Young, Amanda M Mitchell, Martha A Belury, Barbara L Gracious, L Eugene Arnold, Mary A Fristad
Guidelines for suggested intake of ω-3 polyunsaturated fatty acids (PUFAs) are limited in youth and rely primarily on age. However, body weight varies considerably within age classifications. The current analyses examined effects of body weight and body mass index (BMI) on fatty acid accumulation in 64 youth (7-14 years) with a diagnosed mood disorder in a double-blind randomized-controlled trial (2000mg ω-3 supplements or a control capsule) across 12 weeks. Weight and height were measured at the first study visit and EPA and DHA levels were determined using fasting blood samples obtained at both the first and end-of-study visits...
2017: PloS One
https://www.readbyqxmd.com/read/28379169/intake-of-marine-derived-omega-3-polyunsaturated-fatty-acids-and-mortality-in-renal-transplant-recipients
#18
António W Gomes Neto, Camilo G Sotomayor Campos, Ilse G Pranger, Else van den Berg, Rijk O B Gans, Sabita S Soedamah-Muthu, Gerjan J Navis, Stephan J L Bakker
The effect of marine-derived omega-3 polyunsaturated fatty acids (n-3 PUFA) on long-term outcome in renal transplant recipients (RTR) remains unclear. We investigated whether marine-derived n-3 PUFA intake is associated with all-cause and cardiovascular (CV) mortality in RTR. Intake of eicosapentaenoic acid plus docosahexaenoic acid (EPA-DHA) was assessed using a validated Food Frequency Questionnaire. Cox regression analyses were performed to evaluate the associations of EPA-DHA intake with all-cause and CV mortality...
April 5, 2017: Nutrients
https://www.readbyqxmd.com/read/28379067/mercury-omega-3-fatty-acids-and-seafood-intake-are-not-associated-with-heart-rate-variability-or-qt-interval
#19
Charles Miller, Roxanne Karimi, Susan Silbernagel, Danielle Kostrubiak, Frederick Schiavone, Qiao Zhang, Jie Yang, Eric Rashba, Jaymie R Meliker
Mercury (Hg), eicosapentanoic acid (EPA), and docosahexaenoic acid (DHA) concentrations differ across seafood types. Our aim was to investigate the association of Hg, EPA and DHA, as well as avid consumption of diverse seafood types on cardiovascular variables heart rate variability (HRV) and QT interval duration (QTc) in a contemporary population. We measured HRV and QTc by Holter monitor, EPA and DHA in plasma, total Hg in whole blood, and possible confounders in ninety-four avid seafood consumers from Long Island, NY...
April 5, 2017: Archives of Environmental & Occupational Health
https://www.readbyqxmd.com/read/28378851/effect-of-eicosapentaenoic-acid-and-docosahexaenoic-acid-supplementation-on-c-peptide-preservation-in-pregnant-women-with-type-1-diabetes-randomized-placebo-controlled-clinical-trial
#20
M Horvaticek, J Djelmis, M Ivanisevic, S Oreskovic, M Herman
BACKGROUND/OBJECTIVES: Type-1 diabetes mellitus (T1DM) is caused by autoimmune insulitis. There are evidences that pregnancy and n-3 fatty acids exhibit suppressive effect on human inflammatory system. SUBJECTS/METHODS: Ninety pregnant women with T1DM were included in the prospective randomized placebo controlled clinical trial. Forty-seven of them were put on standard diabetic diet enriched with EPA and DHA twice a day (EPA 120 mg and DHA 616 mg; Study group) and 43 pregnant diabetic women were on standard diabetic diet with placebo (Control group)...
April 5, 2017: European Journal of Clinical Nutrition
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