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https://www.readbyqxmd.com/read/29156325/differential-partitioning-of-rumen-protected-n-3-and-n-6-fatty-acids-into-muscles-with-different-metabolism
#1
C Wolf, S E Ulbrich, M Kreuzer, J Berard, K Giller
Bioavailability of polyunsaturated fatty acids (PUFA) in ruminants is enhanced by their protection from ruminal biohydrogenation. Both n-3 and n-6 PUFA fulfil important physiological functions. We investigated potentially different incorporation patterns of these functional PUFA into three beef muscles with different activity characteristics. We supplemented 33 Angus heifers with rumen-protected oils characterized either by mainly C18:2 n-6 (linoleic acid (LA) in sunflower oil) or by C20:5 (eicosapentaenoic acid (EPA)) and C22:6 (docosahexaenoic acid (DHA)), both prevalent n-3 PUFA in fish oil...
November 6, 2017: Meat Science
https://www.readbyqxmd.com/read/29156156/effects-of-arachidonic-acid-eicosapentaenoic-acid-and-docosahexaenoic-acid-on-brain-development-using-artificial-rearing-of-delta-6-desaturase-knockout-mice
#2
Akiko Harauma, Erisa Hatanaka, Hidemi Yasuda, Manabu T Nakamura, Norman Salem, Toru Moriguchi
This study focused on the effect of polyunsaturated fatty acids (PUFAs) during the lactation period of delta-6-desaturase knockout (D6D-KO) mice using an artificial rearing method. Newborn pups of D6D-KO male mice were separated from their dams within 48h and were fed artificial milk. Six formulations of milk were used: Control (Cont) milk (3.9% α-linolenic acid and 18% linoleic acid), + 1.3% arachidonic acid (ARA), + 1.2% docosahexaenoic acid (DHA), + 1.3% eicosapentaenoic acid (EPA), + 1.1% ARA + 1.3% DHA, and + 1...
December 2017: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/29156152/limited-effect-of-omega-3-fatty-acids-on-the-quality-of-life-in-survivors-of-traumatic-injury-a-randomized-placebo-controlled-trial
#3
Hiroko Noguchi, Daisuke Nishi, Kenta Matsumura, Kei Hamazaki, Tomohito Hamazaki, Yutaka J Matsuoka
Empirical evidence is divided on whether n-3 polyunsaturated fatty acid levels are associated with quality of life (QOL). This study investigated the effects of docosahexaenoic acid (DHA) supplementation on QOL in survivors of traumatic injury. In this secondary analysis of a double-blind, randomized controlled trial, we recruited 110 trauma patients (82% men; mean age, 39.6 years) in an intensive care unit. Fifty-three received DHA-rich supplements and 57 received placebo for 12 weeks. We used the Medical Outcomes Study 36-Item Short Form Health Survey (SF-36) to assess QOL at the end of intervention...
December 2017: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/29154271/does-fatty-acid-composition-in%C3%A2-subcutaneous-adipose-tissue-differ-between-patients-with-alzheimer-s-disease-and-cohabiting-proxies
#4
Gerd Faxen-Irving, Farshad Falahati, Hans Basun, Maria Eriksdotter, Inger Vedin, Lars-Olof Wahlund, Marianne Schultzberg, Erik Hjorth, Jan Palmblad, Tommy Cederholm, Yvonne Freund-Levi
Low tissue levels of the major marine ω3 fatty acids (FAs) DHA and EPA are found in Alzheimer's disease (AD). We investigated if healthy proxies to AD patients have higher levels of these ω3 FAs. We observed lower levels of EPA and DHA in subcutaneous adipose tissue biopsies from 64 AD patients compared with 16 cognitively healthy proxies. No significant difference was observed when pairwise comparisons were made between a subset of 16 AD patients and their co-habiting proxies. Larger studies are needed to replicate these findings and to determine if they could depend on FA intake or differences in metabolism...
November 14, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29152241/effects-of-matrix-on-plasma-levels-of-epa-and-dha-in-dogs
#5
Kay Goffin, Marc van Maris, Ronald J Corbee
EPA and DHA are often used in veterinary medicine due to their beneficial effects for several medical conditions such as osteoarthritis. EPA and DHA are administered to dogs through different matrices. The aim of the present study was to determine the effects on the plasma levels in dogs caused by various matrices for EPA and DHA administration. In this study, three different n-3 PUFA formulations were used: soft chew tablet (CCx); liquid fish oil (LFO); and enriched kibbles (EK). The formulations were administered single-dose and compared in a randomised, cross-over designed study with a 1-week wash-out period...
2017: Journal of Nutritional Science
https://www.readbyqxmd.com/read/29152236/low-levels-of-very-long-chain-n-3-pufa-in-atlantic-salmon-salmo-salar-diet-reduce-fish-robustness-under-challenging-conditions-in-sea-cages
#6
Marta Bou, Gerd M Berge, Grete Baeverfjord, Trygve Sigholt, Tone-Kari Østbye, Bente Ruyter
The present study aimed to determine the minimum requirements of the essential n-3 fatty acids EPA and DHA in Atlantic salmon (Salmo salar) that can secure their health under challenging conditions in sea cages. Individually tagged Atlantic salmon were fed 2, 10 and 17 g/kg of EPA + DHA from 400 g until slaughter size (about 3·5 kg). The experimental fish reared in sea cages were subjected to the challenging conditions typically experienced under commercial production. Salmon receiving the lowest EPA + DHA levels showed lower growth rates in the earlier life stages, but no significant difference in final weights at slaughter...
2017: Journal of Nutritional Science
https://www.readbyqxmd.com/read/29151487/relationship-between-n-3-polyunsaturated-fatty-acids-and-extent-of-vessel-disease-in-patients-with-st-elevation-myocardial-infarction
#7
Takenobu Shimada, Kazushige Kadota, Haruki Eguchi, Kohei Osakada, Akimune Kuwayama, Masanobu Ohya, Katsuya Miura, Hidewo Amano, Shunsuke Kubo, Masatomo Ozaki, Yusuke Hyodo, Mitsuru Yoshino, Koshi Miyake, Yuichi Kawase, Noriyuki Ohashi, Suguru Otsuru, Hiroshi Tasaka, Seiji Habara, Takeshi Tada, Hiroyuki Tanaka, Takeshi Maruo, Yasushi Fuku, Harumi Katoh, Satoki Fujii, Tsuyoshi Goto, Kazuaki Mitsudo
A relationship between serum polyunsaturated fatty acids (PUFAs) and cardiovascular disease has been reported; however, the existence of a relationship between serum PUFAs and extent of vessel disease (VD) in patients with ST elevation myocardial infarction (STEMI) remains unclear.Between July 2011 and June 2015, 866 consecutive STEMI patients underwent emergent percutaneous coronary intervention, 507 of whom were enrolled and classified into three groups according to the initial angiograms: 1VD, 294 patients; 2VD, 110 patients; and 3VD/left main trunk disease (LMTD), 103 patients...
November 17, 2017: International Heart Journal
https://www.readbyqxmd.com/read/29146344/lipid-profiles-in-different-parts-of-two-species-of-scallops-chlamys-farreri-and-patinopecten-yessoensis
#8
Xiao-Pei Hu, Qing-Da An, Da-Yong Zhou, Ting Lu, Fa-Wen Yin, Liang Song, Qi Zhao, Jiang-Hua Zhang, Lei Qin, Bei-Wei Zhu, Fereidoon Shahidi
Different classes of lipids and phospholipids (PL) as well as fatty acid (FA) compositions, and glycerophospholipid (GP) molecular species in edible parts (adductor muscles) and by-products (gonads and mantles) of scallops Patinopecten yessoensis and Chlamys farreri were characterized. The lipids contained high levels of polyunsaturated FA (PUFA) (20.44-58.81% of total FAs) and PL (54.99-78.26% of total lipids). Among PL, phosphatidylcholine (41.39-51.86 mol%) was dominant. More than 230 GP species belonging to glycerophosphocholine, glycerophosphoethanolamine, glycerophosphoserine, glycerophosphoinositol, lysoglycerophosphocholine, lysoglycerophosphoethanolamine and lysoglycerophosphoinositol were characterized...
March 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29142166/fish-oil-feeding-reverses-hepatomegaly-and-disrupted-hepatic-function-due-to-the-lack-of-fxr-signaling
#9
Masaaki Miyata, Kouhei Shinno, Tomoki Kinoshita, Yuichi Kinoshita, Yoshimasa Sugiura
Mice lacking farnesoid X receptor (FXR) are used as a model for nonalcoholic fatty liver disease because their livers exhibit hepatomegaly, hepatic steatosis, and hepatic inflammation. The influence of fish oil feeding on hepatomegaly and disrupted hepatic function was investigated using female Fxr-null mice and wild-type mice fed a fish oil diet (2% fish oil and 2% corn oil) or a control diet (4% corn oil) for 4 weeks. Hepatic n-3 polyunsaturated fatty acid (PUFA) levels, including 22:6 n-3 docosahexaenoic acid (DHA) and 20:5 n-3 eicosapentaenoic acid (EPA) were significantly higher in the fish oil group than those in the control group of Fxr-null mice and wild-type mice...
2017: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/29137111/effect-of-omega-3-fatty-acid-supplementation-on-plasma-fibroblast-growth-factor-23-levels-in-post-myocardial-infarction-patients-with-chronic-kidney-disease-the-alpha-omega-trial
#10
Martin H de Borst, Leandro C Baia, Ellen K Hoogeveen, Erik J Giltay, Gerjan Navis, Stephan J L Bakker, Johanna M Geleijnse, Daan Kromhout, Sabita S Soedamah-Muthu
Fibroblast growth factor 23 (FGF23) is an independent risk factor for cardiovascular mortality in chronic kidney disease. Omega-3 (n-3) fatty acid consumption has been inversely associated with FGF23 levels and with cardiovascular risk. We examined the effect of marine n-3 fatty acids eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) and plant-derived alpha-linolenic acid (ALA) on plasma FGF23 levels in post-myocardial infarction patients with chronic kidney disease. In the randomized double-blind Alpha Omega Trial, 4837 patients with a history of myocardial infarction aged 60-80 years (81% men) were randomized to one of four trial margarines supplemented with a targeted additional intake of 400 mg/day EPA and DHA, 2 g/day ALA, EPA-DHA plus ALA, or placebo for 41 months...
November 11, 2017: Nutrients
https://www.readbyqxmd.com/read/29125943/effects-of-chilled-and-frozen-storage-conditions-on-the-lamb-m-longissimus-lumborum-fatty-acid-and-lipid-oxidation-parameters
#11
Cassius E O Coombs, Benjamin W B Holman, Eric N Ponnampalam, Stephen Morris, Michael A Friend, David L Hopkins
This study investigated the effects of chilled and frozen storage conditions on the fatty acid profile and lipid oxidation in lamb M. longissimus lumborum (LL). Muscle LL (n=360) were randomly selected at 24h post-mortem from a commercial Australian abattoir and maintained chilled for five periods (0, 2, 4, 6 and 8weeks) followed by frozen for six periods (0, 4, 8, 12, 24 and 52weeks) at -12°C or -18°C. Samples were analysed for fatty acid profile and lipid oxidative parameters (TBARS, oxidation-reduction potential and peroxidase activity)...
October 19, 2017: Meat Science
https://www.readbyqxmd.com/read/29121093/fish-oil-omega-3-polyunsaturated-fatty-acids-attenuate-oxidative-stress-induced-dna-damage-in-vascular-endothelial-cells
#12
Chiemi Sakai, Mari Ishida, Hideo Ohba, Hiromitsu Yamashita, Hitomi Uchida, Masao Yoshizumi, Takafumi Ishida
OBJECTIVE: Omega-3 fatty acids, particularly eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), likely prevent cardiovascular disease, however their mechanisms remain unclear. Recently, the role of DNA damage in atherogenesis has been receiving considerable attention. Here, we investigated the effects of EPA and DHA on DNA damage in vascular endothelial cells to clarify their antiatherogenic mechanisms. METHODS AND RESULTS: We determined the effect of EPA and DHA on H2O2-induced DNA damage response in human aortic endothelial cells...
2017: PloS One
https://www.readbyqxmd.com/read/29120783/micro-emulsification-encapsulation-of-krill-oil-by-complex-coacervation-with-krill-protein-isolated-using-isoelectric-solubilization-precipitation
#13
Liu Shi, Sarah K Beamer, Hong Yang, Jacek Jaczynski
This study determined feasibility of krill protein isolated with isoelectric solubilization/precipitation (ISP) as wall material to microencapsulate krill oil by freeze-drying. Effects of krill oil/krill protein ratio on properties of microcapsules were investigated. With increased ratio, crude protein of microcapsules decreased, while total lipid increased. Although microcapsule oil loading capacity increased, loading and encapsulation efficiencies decreased. Thin layer chromatography (TLC) confirmed abundance of phospholipids, which are amphiphilic; and thus, resulted in stable emulsion (emulsion stability index)...
April 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29113747/differential-effects-of-epa-dpa-and-dha-on-cardio-metabolic-risk-factors-in-high-fat-diet-fed-mice
#14
Xiao-Fei Guo, Andrew J Sinclair, Gunveen Kaur, Duo Li
The aim of the present study was to assess and compare the effects of eicosapentaenoic acid (EPA), docosapentaenoic acid (DPA) and docosahexaenoic acid (DHA) supplementation on lipid metabolism in 4 month-old male C57BL/6J mice fed a high-fat diet. The high-fat fed mice showed evidence of fatty liver, obesity and insulin resistance after being on the high-fat diet for 6 weeks compared with the control low-fat diet fed mice. Supplementation of the high-fat diet with either EPA, DPA or DHA prevented the fatty liver, prevented high serum cholesterol and serum glucose and prevented high liver cholesterol levels...
September 22, 2017: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/29113108/polymorphisms-in-ffar4-gpr120-gene-modulate-insulin-levels-and-sensitivity-after-fish-oil-supplementation
#15
Bastien Vallée Marcotte, Hubert Cormier, Iwona Rudkowska, Simone Lemieux, Patrick Couture, Marie-Claude Vohl
The objective was to test whether FFAR4 single nucleotide polymorphisms (SNPs) are associated with glycemic control-related traits in humans following fish oil supplementation. A total of 210 participants were given 3 g/day of omega-3 (n-3) fatty acids (FA) (1.9-2.2 g of eicosapentaenoic acid (EPA) and 1.1 g of docosahexaenoic acid (DHA)) during six weeks. Biochemical parameters were taken before and after the supplementation. Using the HapMap database and the tagger procedure in Haploview, 12 tagging SNPs in FFAR4 were selected and then genotyped using TaqMan technology...
November 6, 2017: Journal of Personalized Medicine
https://www.readbyqxmd.com/read/29103383/milk-vitamin-d-in-relation-to-the-adequate-intake-for-0-6-month-old-infants-a-study-in-lactating-women-with-different-cultural-backgrounds-living-at-different-latitudes
#16
Eline Stoutjesdijk, Anne Schaafsma, Nguyen V Nhien, Geok Lin Khor, Ido P Kema, Bruce W Hollis, D A Janneke Dijck-Brouwer, Frits A J Muskiet
Breast-fed infants are susceptible to vitamin D deficiency rickets. The current vitamin D 'adequate intake' (AI) for 0-6-month-old infants is 10 µg/d, corresponding with a human milk antirachitic activity (ARA) of 513 IU/l. We were particularly interested to see whether milk ARA of mothers with lifetime abundant sunlight exposure reaches the AI. We measured milk ARA of lactating mothers with different cultural backgrounds, living at different latitudes. Mature milk was derived from 181 lactating women in the Netherlands, Curaçao, Vietnam, Malaysia and Tanzania...
November 6, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/29098469/supplementation-of-arachidonic-acid-rich-oil-in-european-sea-bass-juveniles-dicentrarchus-labrax-diets-effects-on-growth-performance-tissue-fatty-acid-profile-and-lipid-metabolism
#17
S Torrecillas, M B Betancor, M J Caballero, F Rivero, L Robaina, M Izquierdo, D Montero
The aim of this study was to evaluate the effects of increasing dietary arachidonic acid (ARA) levels (from 1 to 6% of total fatty acids) on European sea bass (Dicentrarchus labrax) juveniles' growth performance, tissue fatty acid profile, liver morphology as well as long-chain polyunsaturated fatty acids (LC-PUFA) biosynthesis, triglyceride and cholesterol synthesis and lipid transport. A diet with total fish oil (FO) replacement and defatted fish meal (FM) containing a 0.1-g ARA g(-1) diet was added to the experimental design as a negative control diet...
November 2, 2017: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/29096838/effect-of-different-lipid-apheresis-methods-on-plasma-polyunsaturated-fatty-acids
#18
C Schmöcker, U Kassner, A I Ostermann, S Kiesler, E Steinhagen-Thiessen, N H Schebb, K H Weylandt
Lipoprotein apheresis has been shown to improve the cardiovascular outcome in patients with atherosclerotic disease and therapy-refractory hypercholesterolemia or elevated lipoprotein (a) (Lp(a)). An elevated intake of omega-3 polyunsaturated fatty acids such as eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) has also been associated with a reduced cardiovascular risk. However, until now only little is known about the effect of apheresis treatment on the levels of omega-6 and omega-3 polyunsaturated fatty acids (n-6 PUFA and n-3 PUFA) in patients...
November 2017: Atherosclerosis. Supplements
https://www.readbyqxmd.com/read/29095488/antigastric-cancer-bioactive-aurantiochytrium-oil-rich-in-docosahexaenoic-acid-from-media-optimization-to-cancer-cells-cytotoxicity-assessment
#19
Shahryar Shakeri, Neda Amoozyan, Farzaneh Fekrat, Mahmood Maleki
Dietary eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) may have a role in contributing to the prevention or inhibition of some malignancies. DHA, the most important polyunsaturated fatty acid (PUFA) in fish and thraustochytrid oils, is known for its anticancer activity. However, antigastric cancer activity of thraustochytrid microbial oil is still unclear. In this investigation, 45 thraustochytrid strains were screened for the production of antigastric cancer oil. Cytotoxicity of 12 thraustochytrid oils was assessed by 3-(4,5-dimethythiazol- 2-yl)-2,5-diphenyl tetrazolium bromide (MTT) on gastric cancer AGS cells...
November 2, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/29093399/the-renoprotective-effects-of-docosahexaenoic-acid-as-an-add-on-therapy-in-patients-receiving-eicosapentaenoic-acid-as-treatment-for-iga-nephropathy-a-pilot-uncontrolled-trial
#20
Takahito Moriyama, Saeko Kumon, Takahiro Kamiyama, Kazunori Karasawa, Keiko Uchida, Kosaku Nitta
Objective Docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) have been reported to have beneficial effects in patients with IgA nephropathy (IgAN). Although DHA and EPA have different mechanisms of action, no study to date has assessed their individual actions in patients with IgAN. This study therefore analyzed the effects administering DHA in addition to EPA for the treatment of IgAN. Methods Twenty-one IgAN patients who were being treated with EPA (1,800 mg/day) were switched to EPA (1,860 mg/day) and DHA (1,500 mg/day)...
November 1, 2017: Internal Medicine
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