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omega-3, DHA, EPA

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https://www.readbyqxmd.com/read/28078500/effects-of-different-omega-3-sources-fish-oil-krill-oil-and-green-lipped-mussel-against-cytokine-mediated-canine-cartilage-degradation
#1
Kittisak Buddhachat, Puntita Siengdee, Siriwadee Chomdej, Kumpanart Soontornvipart, Korakot Nganvongpanit
Our purpose was to evaluate the protective effect of three marine omega-3 sources, fish oil (FO), krill oil (KO), and green-lipped mussel (GLM) against cartilage degradation. Canine cartilage explants were stimulated with either 10 ng/mL interleukin-1β (IL-1β) or IL-1β/oncostatin M (10 ng/mL each) and then treated with various concentrations of docosahexaenoic acid (DHA), eicosapentaenoic acid (EPA; 3 and 30 μg/mL), FO, KO, or GLM (250, 500, and 1000 μg/mL) for 28 days. Gene expression was then investigated in primary canine chondrocytes...
January 11, 2017: In Vitro Cellular & Developmental Biology. Animal
https://www.readbyqxmd.com/read/28069365/polyunsaturated-fatty-acids-and-recurrent-mood-disorders-phenomenology-mechanisms-and-clinical-application
#2
REVIEW
Erik Messamore, Daniel M Almeida, Ronald J Jandacek, Robert K McNamara
A body of evidence has implicated dietary deficiency in omega-3 polyunsaturated fatty acids (n-3 PUFA), including eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), in the pathophysiology and etiology of recurrent mood disorders including major depressive disorder (MDD) and bipolar disorder. Cross-national and cross-sectional evidence suggests that greater habitual intake of n-3 PUFA is associated with reduced risk for developing mood symptoms. Meta-analyses provide strong evidence that patients with mood disorders exhibit low blood n-3 PUFA levels which are associated with increased risk for the initial development of mood symptoms in response to inflammation...
January 6, 2017: Progress in Lipid Research
https://www.readbyqxmd.com/read/28062061/a-meta-analysis-of-randomized-controlled-trials-and-prospective-cohort-studies-of-eicosapentaenoic-and-docosahexaenoic-long-chain-omega-3-fatty-acids-and-coronary-heart-disease-risk
#3
Dominik D Alexander, Paige E Miller, Mary E Van Elswyk, Connye N Kuratko, Lauren C Bylsma
OBJECTIVE: To conduct meta-analyses of randomized controlled trials (RCTs) to estimate the effect of eicosapentaenoic and docosahexaenoic acid (EPA+DHA) on coronary heart disease (CHD), and to conduct meta-analyses of prospective cohort studies to estimate the association between EPA+DHA intake and CHD risk. METHODS: A systematic literature search of Ovid/Medline, PubMed, Embase, and the Cochrane Library from January 1, 1947, to November 2, 2015, was conducted; 18 RCTs and 16 prospective cohort studies examining EPA+DHA from foods or supplements and CHD, including myocardial infarction, sudden cardiac death, coronary death, and angina, were identified...
January 2017: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/28025036/decreased-eicosapentaenoic-acid-levels-in-acne-vulgaris-reveals-the-presence-of-a-proinflammatory-state
#4
İbrahim Aslan, Filiz Özcan, Taner Karaarslan, Ebru Kıraç, Mutay Aslan
This study aimed to determine circulating levels of polyunsaturated fatty acids (PUFAs), secretory phospholipase A2 (sPLA2), lipoprotein lipase (LPL) and measure circulating protein levels of angiopoietin-like protein 3 (ANGPTL3), ANGPTL4, cyclooxygenase-2 (COX-2) and prostaglandin E2 (PGE2) in patients with acne vulgaris. Serum from 21 control subjects and 31 acne vulgaris patients were evaluated for levels of arachidonic acid (AA, C20:4n- 6), dihomo-gamma-linolenic acid (DGLA, C20:3n-6), eicosapentaenoic acid (EPA, C20:5n-3) and docosahexaenoic acid (DHA, C22:6n-3)...
December 23, 2016: Prostaglandins & Other Lipid Mediators
https://www.readbyqxmd.com/read/28009068/development-and-validation-of-a-food-frequency-questionnaire-to-assess-omega-3-long-chain-polyunsaturated-fatty-acid-intake-in-australian-children-aged-9-13-years
#5
S Rahmawaty, K Charlton, P Lyons-Wall, B J Meyer
BACKGROUND: The present study aimed to develop a food frequency questionnaire (FFQ) assessing dietary omega-3 long chain polyunsaturated fatty acid (n-3 LCPUFA) intake in Australian children and to validate the FFQ against a 7-day food diary. METHODS: The investigation comprised a cross-sectional and validation study. The study setting was two private primary schools in the in the Illawarra region of New South Wales. Twenty-two Australian children, aged 9-13 years, who were not on a special diet or receiving medical care that limited their food choice in the 3 months prior to recruitment, were recruited into the study...
December 23, 2016: Journal of Human Nutrition and Dietetics: the Official Journal of the British Dietetic Association
https://www.readbyqxmd.com/read/27999851/omega-3-fatty-acids-and-vitamin-d-in-immobilisation-part-b-modulation-of-muscle-functional-vascular-and-activation-profiles
#6
E L Bostock, C I Morse, K Winwood, I M McEwan, G L Onambélé
OBJECTIVES: This study set out to determine whether two potential protein-sparing modulators (eicosapentaenoic acid and vitamin D) would modulate the anticipated muscle functional and related blood vessels function deleterious effects of immobilisation. DESIGN: The study used a randomised, double-blind, placebo-controlled design. SETTING: The study took part in a laboratory setting. PARTICIPANTS: Twenty-four male and female healthy participants, aged 23...
2017: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/27999850/omega-3-fatty-acids-and-vitamin-d-in-immobilisation-part-a-modulation-of-appendicular-mass-content-composition-and-structure
#7
E L Bostock, C I Morse, K Winwood, I M McEwan, G L Onambélé
OBJECTIVES: Muscle size decreases in response to short-term limb immobilisation. This study set out to determine whether two potential protein-sparing modulators (eicosapentaenoic acid and vitamin D) would attenuate immobilisation-induced changes in muscle characteristics. DESIGN: The study used a randomised, double-blind, placebo-controlled design. SETTING: The study took part in a laboratory setting. PARTICIPANTS: Twenty-four male and female healthy participants, aged 23...
2017: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/27997173/rapid-prediction-of-fatty-acid-content-in-marine-oil-omega-3-dietary-supplements-using-a-portable-fourier-transform-infrared-ftir-device-and-partial-least-squares-regression-plsr-analysis
#8
Sanjeewa R Karunathilaka, Magdi M Mossoba, Jin Kyu Chung, Ermias A Haile, Cynthia T Srigley
Using a portable field device, a Fourier transform infrared spectroscopy (FTIR) and partial least-squares regression (PLSR) method was developed for the rapid (<5 min) prediction of major and minor fatty acid (FA) concentrations in marine oil omega-3 dietary supplements. Calibration models were developed with 174 gravimetrically prepared samples. These models were tested using an independent validation set of dietary supplements. FAs analyzed included eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA); the sums of saturated, branched-chain, and monounsaturated FAs; and n-6, n-4, n-3, n-1, and trans polyunsaturated FA...
December 20, 2016: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/27996366/vitamin-e-supplementation-modulates-the-biological-effects-of-omega-3-fatty-acids-in-naturally-aged-rats
#9
Arunaksharan Narayanankutty, Anagha Kottekkat, Shaji E Mathew, Soorya P Illam, Indu M Suseela, Achuthan C Raghavamenon
Omega-3 fatty acids are well known class of nutraceuticals with established health benefits. Recently, the oxidation products of these fatty acids are gaining attention, as they are likely to disturb body redox balance. Therefore, the efficacy of omega-3 fats under conditions of diminished antioxidant status, such as ageing, is always a concern. Present study assessed the effects of omega-3 fats (DHA and EPA) together with or without vitamin-E in naturally aged rats. It was found that in omega-3 fats alone consumed rats the lipid profile was improved, while in omega-3 fat with vitamin-E consumed group (OMVE), the hepato protective and antioxidant properties were pronounced, especially the redox status of brain tissue...
December 20, 2016: Toxicology Mechanisms and Methods
https://www.readbyqxmd.com/read/27993744/omega-3-fatty-acid-ethyl-esters-suppress-cerebral-vasospasm-and-improve-clinical-outcome-following-aneurysmal-subarachnoid-hemorrhage
#10
Ichiro Nakagawa, Shohei Yokoyama, Koji Omoto, Yasuhiro Takeshima, Ryosuke Matsuda, Fumihiko Nishimura, Shuichi Yamada, Hiroshi Yokota, Yasushi Motoyama, Young-Su Park, Hiroyuki Nakase
OBJECTIVE: The occurrence of cerebral vasospasm after onset of aneurysmal subarachnoid hemorrhage (SAH) is a critical factor determining the clinical prognosis. Eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), both omega-3 fatty acids (O-3FA), can suppress cerebral vasospasm and DHA can relax vessels vasoconstriction and have neuroprotective effects. In the present study, we investigated whether administration of O-3FA prevented cerebral vasospasm occurrence and improved clinical outcomes following aneurysmal SAH...
December 16, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27988864/the-potential-relevance-of-docosahexaenoic-acid-and-eicosapentaenoic-acid-to-the-etiopathogenesis-of-childhood-neuropsychiatric-disorders
#11
REVIEW
Alessandra Tesei, Alessandro Crippa, Silvia Busti Ceccarelli, Maddalena Mauri, Massimo Molteni, Carlo Agostoni, Maria Nobile
Over the last 15 years, considerable interest has been given to the potential role of omega-3 polyunsaturated fatty acids (PUFAs) for understanding pathogenesis and treatment of neurodevelopmental and psychiatric disorders. This review aims to systematically investigate the scientific evidence supporting the hypothesis on the omega-3 PUFAs deficit as a risk factor shared by different pediatric neuropsychiatric disorders. Medline PubMed database was searched for studies examining blood docosahexaenoic acid (DHA) or eicosapentaenoic acid (EPA) status in children with neuropsychiatric disorders...
December 17, 2016: European Child & Adolescent Psychiatry
https://www.readbyqxmd.com/read/27986444/%C3%AF-3-polyunsaturated-fatty-acids-for-heart-failure-effects-of-dose-on-efficacy-and-novel-signaling-through-free-fatty-acid-receptor-4
#12
REVIEW
Timothy D O'Connell, Robert C Block, Shue P Huang, Gregory C Shearer
Heart failure (HF) affects 5.7 million in the U.S., and despite well-established pharmacologic therapy, the 5-year mortality rate remains near 50%. Furthermore, the mortality rate for HF has not declined in years, highlighting the need for new therapeutic options. Omega-3 polyunsaturated fatty acids (ω3-PUFAs), eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), are important regulators of cardiovascular health. However, questions of efficacy and mechanism of action have made the use of ω3-PUFAs in all cardiovascular disease (CVD) controversial...
December 13, 2016: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/27986122/vitamin-b12-deficiency-across-three-generations-adversely-influences-long-chain-polyunsaturated-fatty-acid-status-and-cardiometabolic-markers-in-rats
#13
Amrita Khaire, Richa Rathod, Anvita Kale, Sadhana Joshi
BACKGROUND AND AIMS: Vitamin B12 and omega-3 fatty acid deficiency is prevalent in the vegetarian population and is associated with adverse pregnancy outcomes and cardiometabolic risk. The present study investigates the long-term effects of vitamin B12 deficiency/supplementation in the presence of omega-3 fatty acids on cardiometabolic profile and long-chain polyunsaturated fatty acid levels (LCPUFA) in the F3 generation offspring. METHODS: Three generations of rats were fed the following diets: control; vitamin B12 deficient; vitamin B12 supplemented; vitamin B12 deficient + omega-3 fatty acid supplemented; vitamin B12 + omega-3 fatty acid supplemented...
August 2016: Archives of Medical Research
https://www.readbyqxmd.com/read/27973785/critical-role-of-different-immobilized-biocatalysts-of-a-given-lipase-in-the-selective-ethanolysis-of-sardine-oil
#14
Sonia Moreno-Perez, Daniela Flavia Machado Turati, Janaina Pires Borges, Pilar Luna, Francisco Javier Señorans, Jose M Guisan, Gloria Fernandez-Lorente
Different immobilized derivatives of two lipases were tested as catalysts of the synthesis of ethyl esters of omega-3 fatty acids during the ethanolysis of sardine oil in solvent-free systems at 25 °C. Lipases from Thermomyces lanuginosus (TLL) and Lecitase Ultra (a phospholipase with lipolytic activity) were studied. Lipases were adsorbed on hydrophobic Sepabeads C18 through the open active center and on an anion-exchanger Duolite with the active center exposed to the reaction medium. TLL-Sepabeads derivatives exhibit a high activity of 9 UI/mg of immobilized enzyme, and they are 20-fold more active than TLL-Duolite derivatives and almost 1000-fold more active than Lipozyme TL IM (the commercial derivative from Novozymes)...
December 21, 2016: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/27973547/regulation-of-the-omega-3-fatty-acid-biosynthetic-pathway-in-atlantic-salmon-hepatocytes
#15
Marte Avranden Kjær, Bente Ruyter, Gerd Marit Berge, Yajing Sun, Tone-Kari Knutsdatter Østbye
Limited availability of the n-3 fatty acids EPA and DHA have led to an interest in better understanding of the n-3 biosynthetic pathway and its regulation. The biosynthesis of alpha-linolenic acid to EPA and DHA involves several complex reaction steps including desaturation-, elongation- and peroxisomal beta-oxidation enzymes. The aims of the present experiments were to gain more knowledge on how this biosynthesis is regulated over time by different doses and fatty acid combinations. Hepatocytes isolated from salmon were incubated with various levels and combinations of oleic acid, EPA and DHA...
2016: PloS One
https://www.readbyqxmd.com/read/27935443/acceptability-and-tolerability-of-omega-3-fatty-acids-as-adjunctive-treatment-for-children-and-adolescents-with-eating-disorders
#16
Julia Woo, Jennifer Couturier, Bharadwaj Pindiprolu, Lindsay Picard, Charlotte Maertens, Anick Leclerc, Sheri Findlay, Natasha Johnson, Christina Grant, Melissa Kimber
The objective of this study was to examine the acceptability and tolerability of omega-3 fatty acids as an adjunctive treatment for children and adolescents with eating disorders (EDs). Children and adolescents with EDs received omega-3 supplements (300 mg eicosapentaenoic acid [EPA] and 200 mg docosahexaenoic acid [DHA]/day) in addition to standard treatment for 8 weeks. Primary outcomes were dropout rate, compliance, and side effects. Secondary outcomes included percent ideal body weight, Eating Disorders Inventory-3 (EDI-3), Children's Depression Inventory-2 (CDI-2), and Multidimensional Anxiety Scale for Children (MASC)...
December 9, 2016: Eating Disorders
https://www.readbyqxmd.com/read/27926458/changes-in-relative-and-absolute-concentrations-of-plasma-phospholipid-fatty-acids-observed-in-a-randomized-trial-of-omega-3-fatty-acids-supplementation-in-uganda
#17
Xiaoling Song, Pho Diep, Jeannette M Schenk, Corey Casper, Jackson Orem, Zeina Makhoul, Johanna W Lampe, Marian L Neuhouser
Expressing circulating phospholipid fatty acids (PLFAs) in relative concentrations has some limitations: the total of all fatty acids are summed to 100%; therefore, the values of individual fatty acid are not independent. In this study we examined if both relative and absolute metrics could effectively measure changes in circulating PLFA concentrations in an intervention trial. 66 HIV and HHV8 infected patients in Uganda were randomized to take 3g/d of either long-chain omega-3 fatty acids (1856mg EPA and 1232mg DHA) or high-oleic safflower oil in a 12-week double-blind trial...
November 2016: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/27916893/the-interaction-between-dietary-fiber-and-fat-and-risk-of-colorectal-cancer-in-the-women-s-health-initiative
#18
Sandi L Navarro, Marian L Neuhouser, Ting-Yuan David Cheng, Lesley F Tinker, James M Shikany, Linda Snetselaar, Jessica A Martinez, Ikuko Kato, Shirley A A Beresford, Robert S Chapkin, Johanna W Lampe
Combined intakes of specific dietary fiber and fat subtypes protect against colon cancer in animal models. We evaluated associations between self-reported individual and combinations of fiber (insoluble, soluble, and pectins, specifically) and fat (omega-6, omega-3, and docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA), specifically) and colorectal cancer (CRC) risk in the Women's Health Initiative prospective cohort (n = 134,017). During a mean 11.7 years (1993-2010), 1952 incident CRC cases were identified...
November 30, 2016: Nutrients
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
#19
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/27880795/the-association-of-fatty-acid-levels-and-gleason-grade-among-men-undergoing-radical-prostatectomy
#20
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
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