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Eicosapentaenoic acid

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https://www.readbyqxmd.com/read/28212390/lack-of-effects-of-fish-oil-supplementation-for-12-weeks-on-resting-metabolic-rate-and-substrate-oxidation-in-healthy-young-men-a-randomized-controlled-trial
#1
Sebastian Jannas-Vela, Kaitlin Roke, Stephanie Boville, David M Mutch, Lawrence L Spriet
: Fish oil (FO) has been shown to have beneficial effects in the body via incorporation into the membranes of many tissues. It has been proposed that omega-3 fatty acids in FO may increase whole body resting metabolic rate (RMR) and fatty acid (FA) oxidation in human subjects, but the results to date are equivocal. The purpose of this study was to investigate the effects of a 12 week FO supplementation period on RMR and substrate oxidation, in comparison to an olive oil (OO) control group, in young healthy males (n = 26; 22...
2017: PloS One
https://www.readbyqxmd.com/read/28202745/plasma-levels-of-eicosapentaenoic-acid-are-associated-with-anti-tnf-responsiveness-in-rheumatoid-arthritis-and-inhibit-the-etanercept-driven-rise-in-th17-cell-differentiation-in-vitro
#2
Louisa Jeffery, Helena L Fisk, Philip C Calder, Andrew Filer, Karim Raza, Christopher D Buckley, Iain McInnes, Peter C Taylor, Benjamin A Fisher
OBJECTIVE: To determine whether levels of plasma n-3 polyunsaturated fatty acids are associated with response to antitumor necrosis factor (anti-TNF) agents in rheumatoid arthritis (RA), and whether this putative effect may have its basis in altering anti-TNF-driven Th17 cell differentiation. METHODS: Plasma was collected at baseline and after 3 months of anti-TNF treatment in 22 patients with established RA, and fatty acid composition of the phosphatidylcholine (PC) component was measured...
February 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28202240/fatty-acid-profile-of-the-sea-snail-gibbula-umbilicalis-as-a-biomarker-for-coastal-metal-pollution
#3
Carla O Silva, Tiago Simões, Sara C Novais, Inês Pimparel, Luana Granada, Amadeu M V M Soares, Carlos Barata, Marco F L Lemos
Metals are among the most common environmental pollutants with natural or anthropogenic origin that can be easily transferred through the food chain. Marine gastropods are known to accumulate high concentrations of these metals in their tissues. Gibbula umbilicalis ecological importance and abundant soft tissues, which enables extent biochemical assessments, makes this particular organism a potentially suitable species for marine ecotoxicological studies. Fatty acids are carbon-rich compounds that are ubiquitous in all organisms and easy to metabolize...
February 12, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28198569/effect-of-eicosapentaenoic-acid-on-bovine-cumulus-oocyte-complex-in-vitro
#4
Noelia Nikoloff, Ana M Pascua, Juan M Anchordoquy, Juan P Anchordoquy, Matías A Sirini, Analia Seoane, Cecilia C Furnus
The aim of the present study was to investigate the effects of eicosapentaenoic acid (EPA) supplementation during in vitro maturation (IVM) of bovine oocytes. The concentrations tested in all experiments were 1 nM, 1 μM and 1 mM EPA. The effect of EPA was evaluated on cumulus-oocyte complexes (COC) by oocyte maturation [cumulus expansion area and oocyte nuclear maturation], genotoxicity [single cell gel electrophoresis (SCGE)] and cytotoxicity [apoptosis, viability and MTT assays] end points. The maturation parameters were affected by exposure of COC to different EPA concentrations in the IVM medium...
February 15, 2017: Cell Biology International
https://www.readbyqxmd.com/read/28197856/determination-of-substrate-preferences-for-desaturases-and-elongases-for-production-of-docosahexaenoic-acid-from-oleic-acid-in-engineered-canola
#5
Jenny Lindberg Yilmaz, Ze Long Lim, Mirela Beganovic, Steven Breazeale, Carl Andre, Sten Stymne, Patricia Vrinten, Toralf Senger
Production of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) in plant seed oils has been pursued to improve availability of these omega-3 fatty acids that provide important human health benefits. Canola (Brassica napus), through the introduction of 10 enzymes, can convert oleic acid (OLA) into EPA and ultimately DHA through a pathway consisting of two elongation and five desaturation steps. Herein we present an assessment of the substrate specificity of the seven desaturases and three elongases that were introduced into canola by expressing individual proteins in yeast...
February 14, 2017: Lipids
https://www.readbyqxmd.com/read/28195161/gas-chromatography-mass-spectrometry-analysis-of-effects-of-dietary-fish-oil-on-total-fatty-acid-composition-in-mouse-skin
#6
Peiru Wang, Min Sun, Jianwei Ren, Zora Djuric, Gary J Fisher, Xiuli Wang, Yong Li
Altering the fatty acid (FA) composition in the skin by dietary fish oil could provide therapeutic benefits. Although it has been shown that fish oil supplementation enhances EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid) abundance in the skin, comprehensive skin FA profiling is needed. We established a gas chromatography-mass spectrometry method, which allows precise quantification of FA profile using small (<24 mm(2) for mice and <12 mm(2) for humans) skin specimens that can be readily obtained from live mice and humans...
February 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28193789/enriching-islet-phospholipids-with-eicosapentaenoic-acid-reduces-prostaglandin-e2-signaling-and-enhances-diabetic-%C3%AE-cell-function
#7
Joshua C Neuman, Michael D Schaid, Allison L Brill, Rachel J Fenske, Carly R Kibbe, Danielle A Fontaine, Sophia M Sdao, Harpreet K Brar, Kelsey M Connors, Haley N Wienkes, Kevin W Eliceiri, Matthew J Merrins, Dawn B Davis, Michelle E Kimple
Prostaglandin E2 (PGE2) is derived from arachidonic acid, while PGE3 is derived from eicosapentaenoic acid (EPA) using the same downstream metabolic enzymes. Little is known about the impact of EPA and PGE3 on β-cell function, particularly in the diabetic state. In this work, we determined PGE3 elicits a 10-fold weaker reduction in glucose-stimulated insulin secretion through the EP3 receptor as compared to PGE2 We tested the hypothesis that enriching pancreatic islet cell membranes with EPA, thereby reducing arachidonic acid abundance, would positively impact β-cell function in the diabetic state...
February 13, 2017: Diabetes
https://www.readbyqxmd.com/read/28192538/pattern-of-omega-3-polyunsaturated-fatty-acid-intake-and-fish-consumption-and-retinal-vascular-caliber-in-children-and-adolescents-a-cohort-study
#8
Bamini Gopinath, Hanieh Moshtaghian, Victoria M Flood, Jimmy C Y Louie, Gerald Liew, George Burlutsky, Paul Mitchell
We aimed to investigate whether fish and long chain omega-3 polyunsaturated fatty acid (LCn-3 PUFA) consumption changed appreciably during adolescence. We also assessed whether these dietary variables are associated with retinal microvascular signs (possible markers of future cardiovascular disease risk). 633 children had dietary data at ages 12 and 17. Fish and LCn-3 PUFA [eicosapentaenoic acid (EPA), docosapentaenoic acid (DPA) and docosahexaenoic acid (DHA)] intake was assessed by a food frequency questionnaire...
2017: PloS One
https://www.readbyqxmd.com/read/28191333/effects-of-fish-oil-supplementation-on-gestational-diabetes-mellitus-gdm-a-systematic-review
#9
REVIEW
Alireza Ostadrahimi, Sakineh Mohammad-Alizadeh, Mozhgan Mirgafourvand, Sina Yaghoubi, Elham Shahrisa, Azizeh Farshbaf-Khalili
CONTEXT: One of the most common complications of pregnancy is gestational diabetes mellitus (GDM), which is increasing worldwide. Experimental and epidemiological studies have shown that higher intake of n-3 long-chain polyunsaturated fatty acids may decrease the risk of various diseases such as diabetes. The objective of this study was to assess the effect of fish oil supplementation on the prevention and treatment of GDM. EVIDENCE ACQUISITION: This systematic review was performed by searching several databases, including PubMed, Scopus, Google Scholar, the Cochrane Library, ProQuest, Science Direct SID, Magiran and IranMedex since 1983...
November 2016: Iranian Red Crescent Medical Journal
https://www.readbyqxmd.com/read/28189115/n-3-polyunsaturated-fatty-acids-alleviate-high-glucose-mediated-dysfunction-of-endothelial-progenitor-cells-and-prevent-ischemic-injuries-both-in-vitro-and-in-vivo
#10
Shao-Chih Chiu, Che-Yi Chao, En-Pei Isabel Chiang, Jia-Ning Syu, Raymond L Rodriguez, Feng-Yao Tang
Hyperglycemia is associated with a reduced number of endothelial progenitor cells (EPCs) that impairs vascular function. Circulating EPCs play important roles in postnatal neovasculogenesis and the prevention of ischemic injury. Frequent consumption of fish oil (FO) that is abundant with eicosapentaenoic acid (EPA)/docosahexaenoic acid (DHA) is reportedly associated with an alleviation of diabetic complications and a lowered incidence of cardiovascular disease. The aim of this study was to examine whether N-3 polyunsaturated fatty acids such as EPA and DHA would reverse the high glucose-mediated dysfunction of EPCs in vitro and thereby prevent the ischemic injury that occurs under the hyperglycemic conditions in Type 2 diabetes (T2D) db(-/-) mice...
January 28, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28189073/lower-levels-of-persistent-organic-pollutants-metals-and-the-marine-omega-3-fatty-acid-dha-in-farmed-compared-to-wild-atlantic-salmon-salmo-salar
#11
Anne-Katrine Lundebye, Erik-Jan Lock, Josef D Rasinger, Ole Jakob Nøstbakken, Rita Hannisdal, Egil Karlsbakk, Vidar Wennevik, Abdullah S Madhun, Lise Madsen, Ingvild Eide Graff, Robin Ørnsrud
Contaminants and fatty acid levels in farmed- versus wild Atlantic salmon have been a hot topic of debate in terms of food safety. The present study determined dioxins (polychlorinated dibenzo-p-dioxin and dibenzofuran), polychlorinated biphenyls (PCBs), polybrominated diphenyl ethers (PBDEs), organochlorine pesticides (OCPs), metals and fatty acids in wild and farmed Atlantic salmon. Contaminant levels of dioxins, PCBs, OCPs (DDT, dieldrin, lindane, chlordane, Mirex, and toxaphene), and mercury were higher in wild salmon than in farmed salmon, as were the concentrations of the essential elements selenium, copper, zinc and iron, and the marine omega-3 fatty acid docosahexaenoic acid (DHA)...
February 8, 2017: Environmental Research
https://www.readbyqxmd.com/read/28186827/exploration-of-the-perceived-and-actual-benefits-of-omega-3-fatty-acids-and-the-impact-of-fads1-and-fads2-genetic-information-on-dietary-intake-and-blood-levels-of-epa-and-dha
#12
Kaitlin Roke
From a global health perspective, increased intake of omega-3 fatty acids (FAs), in particular eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), are beneficial for human health. However, the consumption of EPA- and DHA-rich foods such as fatty fish is low in the Western diet. Therefore, finding new ways to motivate people to increase their consumption of omega-3 FAs is essential. To find effective ways to motivate individuals, understanding people's awareness of omega-3 FAs and how they obtain their knowledge about nutrition and health is critical...
February 10, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28180139/metabolomic-signatures-associated-with-disease-severity-in-multiple-sclerosis
#13
Pablo Villoslada, Cristina Alonso, Ion Agirrezabal, Ekaterina Kotelnikova, Irati Zubizarreta, Irene Pulido-Valdeolivas, Albert Saiz, Manuel Comabella, Xavier Montalban, Luisa Villar, Jose Carlos Alvarez-Cermeño, Oscar Fernández, Roberto Alvarez-Lafuente, Rafael Arroyo, Azucena Castro
OBJECTIVE: To identify differences in the metabolomic profile in the serum of patients with multiple sclerosis (MS) compared to controls and to identify biomarkers of disease severity. METHODS: We studied 2 cohorts of patients with MS: a retrospective longitudinal cohort of 238 patients and 74 controls and a prospective cohort of 61 patients and 41 controls with serial serum samples. Patients were stratified into active or stable disease based on 2 years of prospective assessment accounting for presence of clinical relapses or changes in disability measured with the Expanded Disability Status Scale (EDSS)...
March 2017: Neurology® Neuroimmunology & Neuroinflammation
https://www.readbyqxmd.com/read/28177133/dietary-supplementation-with-low-dose-omega-3-fatty-acids-reduces-salivary-tumor-necrosis-factor-%C3%AE-levels-in-patients-with-chronic-periodontitis-a-randomized-controlled-clinical-study
#14
I Keskiner, I Saygun, V Bal, M Serdar, A Kantarci
BACKGROUND AND OBJECTIVE: Recent studies have demonstrated the beneficial effects of omega-3 polyunsaturated fatty acids (PUFAs) on physiological processes and on a variety of chronic inflammatory diseases, including periodontal diseases. In this study, we evaluated the impact of omega-3 PUFAs in conjunction with scaling and root planing (SRP) on salivary markers in patients with chronic periodontitis. MATERIAL AND METHODS: Thirty systemically healthy subjects with chronic periodontitis were enrolled and randomly allocated into two groups...
February 8, 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/28173808/omega-3-fatty-acids-and-oxidative-stability-of-ice-cream-supplemented-with-olein-fraction-of-chia-salvia-hispanica-l-oil
#15
Rahman Ullah, Muhammad Nadeem, Muhammad Imran
BACKGROUND: Chia (Salvia hispanica L.) has been regarded as good source of polyunsaturated omega-3 fatty acids with cardiac, hepatic, hypotensive, antiallergic and antidiabetic role. Concentration of omega-3 fatty acids in chia oil can be enhanced by fractionation. Olein/low melting fraction of chia oil has higher concentration of omega-3 fatty acids. Therefore, main objective of current investigation was determination of various concentration effect of olein fraction of chia oil on omega-3 fatty acids, oxidative stability and sensory characteristics of ice cream...
February 7, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28172901/p581-highly-purified-eicosapentaenoic-acid-as-free-fatty-acid-reduces-fecal-calprotectin-levels-and-prevents-clinical-relapse-in-ulcerative-colitis-patients-a%C3%A2-double-blind-randomized-placebo-controlled-trial
#16
E Scaioli, A Sartini, M Bellanova, M Campieri, D Festi, F Bazzoli, A Belluzzi
No abstract text is available yet for this article.
February 1, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28169288/omega-3-and-omega-6-dpa-equally-inhibit-the-sphingosylphosphorylcholine-induced-ca-2-sensitization-of-vascular-smooth-muscle-contraction-via-inhibiting-rho-kinase-activation-and-translocation
#17
Ying Zhang, Min Zhang, Bochao Lyu, Hiroko Kishi, Sei Kobayashi
We previously reported that eicosapentaenoic acid (EPA), an omega-3 polyunsaturated fatty acid (n-3 PUFA), effectively inhibits sphingosylphosphorylcholine (SPC)-induced Ca(2+)-sensitization of vascular smooth muscle (VSM) contraction which is a major cause of cardiovascular and cerebrovascular vasospasm, and EPA is utilized clinically to prevent cerebrovascular vasospasm. In this study, we clearly demonstrate that docosapentaenoic acid (DPA), which exists in two forms as omega-3 (n-3) and omega-6 (n-6) PUFA, strongly inhibits SPC-induced contraction in VSM tissue and human coronary artery smooth muscle cells (CASMCs), with little effect on Ca(2+)-dependent contraction...
February 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28167220/omega-3-fatty-acids-and-cytochrome-p450-derived-eicosanoids-in-cardiovascular-diseases-which-actions-and-interactions-modulate-hemodynamics
#18
REVIEW
Sara Bonafini, Cristiano Fava
Increasing interest is focused on omega-3 fatty acids (FA) because of their potential beneficial effects, particularly in cardiovascular disease prevention. Eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), two major omega-3 FA, are mainly consumed through diet, particularly from fish and seafood intake, whereas alpha-linolenic acid (ALA) is present in high amounts in leafy green vegetables, nuts and seeds. The hypothesis of a cardiovascular protective action of omega-3 FA derives mainly from observational studies, whereas the evidence from interventional studies is not always consistent...
February 3, 2017: Prostaglandins & Other Lipid Mediators
https://www.readbyqxmd.com/read/28165385/quantitative-profiling-of-hydroxy-lipid-metabolites-in-mouse-organs-reveals-distinct-lipidomic-profiles-and-modifications-due-to-elevated-n-3-fatty-acid-levels
#19
Cheng-Ying Chiu, Christopher Smyl, Inci Dogan, Michael Rothe, Karsten-H Weylandt
Polyunsaturated fatty acids (PUFA) are precursors of bioactive metabolites and mediators. In this study, the profile of hydroxyeicosatetraenoic (HETE), hydroxyeicosapentaenoic (HEPE) and hydroxydocosahexaenoic (HDHA) acids derived from arachidonic acid (AA), eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) in colon, liver, lung, spleen, muscle, heart and kidney tissue of healthy wildtype mice were characterized, and compared to profiles in organs from transgenic fat-1 mice engineered to express the Caenorhabditis elegans fat-1 gene encoding an n-3 desaturase and thereby with endogenously elevated n-3 PUFA levels...
February 4, 2017: Biology
https://www.readbyqxmd.com/read/28162861/effect-of-omegaven-on-mast-cell-concentration-in-diabetic-wound-healing
#20
Saeid Babaei, Hadi Ansarihadipour, Mahmoodreza Nakhaei, Mohammadreza Darabi, Parvindokht Bayat, Mohammadhassan Sakhaei, Maryam Baazm, Atefe Mohammadhoseiny
Diabetic wound healing is a complicated process. In all over the world 15% of 200 million diabetic people suffer from diabetic foot problems. Mast cells are known to participate in three phases of wound healing: the inflammatory reaction, angiogenesis and extracellular-matrix reabsorption. The inflammatory reaction is mediated by released histamine and arachidonic acid metabolites. Omega-3 fatty acids alter proinflammatory cytokine production during wound healing which affects the presence of inflammatory cells in wound area as well, but how this events specifically influences the presence of mast cells in wound healing is not clearly understood...
December 9, 2016: Journal of Tissue Viability
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