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https://www.readbyqxmd.com/read/28730165/plasma-free-fatty-acids-in-hyperemesis-gravidarum-pregnancy
#1
Mustafa Ulubay, Mustafa Ozturk, Ozlem Ozturk, Ugur Keskin, Ulas Fidan, Erdim Sertoglu, Hakan Aydin, Ali Yilmaz, Mufit Cemal Yenen
We evaluated the free fatty acids differences in plasma between hyperemesis gravidarum(HG) and healthy pregnant in first trimester pregnancy. OBJECTIVE: We aimed to compare the plasma levels of DHA, AA and EPA, between HG patients and healthy pregnant women. DESIGN: Fifty-two pregnants were involved in the study. Twenty-six pregnants of them were HG as study group, and twenty-six pregnants were enrolled as healthy pregnant women at the similar gestational age. The saturated fatty acids C14, C15, C16, C18, C20, C22, and C24; the omega-3 fatty acids eicosapentaenoic acid, (EPA) and docosahexaenoic acid, (DHA); the omega-6 fatty acids linoleic acid, arachidonic acid (AA), and homo-gamma-linolenic acid; and the omega-9 fatty acids oleic acid, erucic acid, and nervonic acid were analysed by gas chromatography...
2017: Open Medicine (Warsaw, Poland)
https://www.readbyqxmd.com/read/28721723/enrichment-of-long-chain-polyunsaturated-fatty-acids-by-coordinated-expression-of-multiple-metabolic-nodes-in-the-oleaginous-microalga-phaeodactylum-tricornutum
#2
Xiang Wang, Yu-Hong Liu, Wei Wei, Xia Zhou, Wasiqi Yuan, Srinivasan Balamurugan, Ting-Bin Hao, Wei-Dong Yang, Jie-Sheng Liu, Hong-Ye Li
Microalgal long-chain polyunsaturated fatty acids (LC-PUFAs) have emerged as promising alternatives to depleting fish oils. However, the overproduction of LC-PUFAs in microalgae has remained challenging. Here, we report a sequential metabolic engineering strategy that systematically overcomes the metabolic bottlenecks and overproduces LC-PUFAs. Malonyl CoA-acyl carrier protein transacylase, catalyzing the first committed step in type II fatty acid synthesis, and desaturase 5b, involved in fatty acid desaturation, were coordinately expressed in Phaeodactylum tricornutum...
July 19, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28721583/microbial-and-genetically-engineered-oils-as-replacements-for-fish-oil-in-aquaculture-feeds
#3
REVIEW
M Sprague, M B Betancor, D R Tocher
As the global population grows more of our fish and seafood are being farmed. Fish are the main dietary source of the omega-3 (n-3) long-chain polyunsaturated fatty acids (LC-PUFA), eicosapentaenoic (EPA) and docosahexaenoic (DHA) acids, but these cannot be produced in sufficient quantities as are now required for human health. Farmed fish have traditionally been fed a diet consisting of fishmeal and fish oil, rich in n-3 LC-PUFA. However, the increase in global aquaculture production has resulted in these finite and limited marine ingredients being replaced with sustainable alternatives of terrestrial origin that are devoid of n-3 LC-PUFA...
July 18, 2017: Biotechnology Letters
https://www.readbyqxmd.com/read/28721338/is-aortic-aneurysm-preventable
#4
Undurti N Das
Abdominal aortic aneurysm (AAA) is a chronic inflammatory condition, triggered by the local accumulation of macrophages, oxidative stress and damage to the aortic wall. Pro-inflammatory eicosanoids seem to play a significant role in AAA. The pro-inflammatory events seen in AAA could be due to a deficiency of anti-inflammatory eicosanoids such as lipoxin A4 (LXA4), resolvins, protectins and maresins as a result of reduced tissue concentrations of their precursors: arachidonic acid (AA), eicosapentaenoic acid (EPA), and docosahexaenoic acid (DHA)...
June 2017: Journal of Translational Internal Medicine
https://www.readbyqxmd.com/read/28717347/effect-of-eicosapentaenoic-acids-rich-fish-oil-supplementation-on-motor-nerve-function-after-eccentric-contractions
#5
Eisuke Ochi, Yosuke Tsuchiya, Kenichi Yanagimoto
BACKGROUND: This study investigated the effect of supplementation with fish oil rich in eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) on the M-wave latency of biceps brachii and muscle damage after a single session of maximal elbow flexor eccentric contractions (ECC). METHODS: Twenty-one men were completed the randomized, double-blind, placebo-controlled, and parallel-design study. The subjects were randomly assigned to the fish oil group (n = 10) or control group (n = 11)...
2017: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/28714905/effects-of-eicosapentaenoic-acid-epa-and-docosahexaenoic-acid-dha-on-fetal-pulmonary-circulation-an-experimental-study-in-fetal-lambs
#6
Dyuti Sharma, Estelle Aubry, Thavarak Ouk, Ali Houeijeh, Véronique Houfflin-Debarge, Rémi Besson, Philippe Deruelle, Laurent Storme
Background: Persistent pulmonary hypertension of the newborn (PPHN) causes significant morbidity and mortality in neonates. n-3 Poly-unsaturated fatty acids have vasodilatory properties in the perinatal lung. We studied the circulatory effects of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) in fetal sheep and in fetal pulmonary arterial rings. Methods: At 128 days of gestation, catheters were placed surgically in fetal systemic and pulmonary circulation, and a Doppler probe around the left pulmonary artery (LPA)...
July 16, 2017: Nutrients
https://www.readbyqxmd.com/read/28712376/grape-pomace-improves-performance-antioxidant-status-fecal-microbiota-and-meat-quality-of-piglets
#7
I Kafantaris, D Stagos, B Kotsampasi, A Hatzis, A Kypriotakis, K Gerasopoulos, S Makri, N Goutzourelas, C Mitsagga, I Giavasis, K Petrotos, S Kokkas, P Goulas, V Christodoulou, D Kouretas
In the present study, grape pomace (GP) was used as feed additive in the diet of weaned piglets in order to develop innovative feedstuffs and to investigate their potential beneficial effects on welfare, productivity and meat quality. For examining the antioxidant capacity of the experimental feeds, 24 piglets of 20 days old were assigned to two experimental groups receiving standard or experimental diet for 30 days. Blood and tissues collections were performed at four different time-points, 2, 20, 35 and 50 days post birth...
July 17, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28710178/eicosapentaenoic-and-docosahexaenoic-acids-attenuate-progression-of-albuminuria-in-patients-with-type-2-diabetes-mellitus-and-coronary-artery-disease
#8
Tarec K Elajami, Abdulhamied Alfaddagh, Dharshan Lakshminarayan, Michael Soliman, Madhuri Chandnani, Francine K Welty
BACKGROUND: Albuminuria is a marker of inflammation and an independent predictor of cardiovascular morbidity and mortality. The current study evaluated whether eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) supplementation attenuates progression of albuminuria in subjects with coronary artery disease. METHODS AND RESULTS: Two-hundred sixty-two subjects with stable coronary artery disease were randomized to either Lovaza (1.86 g of EPA and 1.5 g of DHA daily) or no Lovaza (control) for 1 year...
July 14, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28706274/elovanoids-are-novel-cell-specific-lipid-mediators-necessary-for-neuroprotective-signaling-for-photoreceptor-cell-integrity
#9
Bokkyoo Jun, Pranab K Mukherjee, Aram Asatryan, Marie-Audrey Kautzmann, Jessica Heap, William C Gordon, Surjyadipta Bhattacharjee, Rong Yang, Nicos A Petasis, Nicolas G Bazan
Docosahexaenoic acid (DHA, 22:6 n-3) is abundant in the retina and is enzymatically converted into pro-homeostatic docosanoids. The DHA- or eicosapentaenoic acid (EPA)-derived 26 carbon fatty acid is a substrate of elongase ELOVL4, which is expressed in photoreceptor cells and generates very long chain (≥C28) polyunsaturated fatty acids including n-3 (VLC-PUFAs,n-3). While ELOVL4 mutations are linked to vision loss and neuronal dysfunctions, the roles of VLC-PUFAs remain unknown. Here we report a novel class of lipid mediators biosynthesized in human retinal pigment epithelial (RPE) cells that are oxygenated derivatives of VLC-PUFAs,n-3; we termed these mediators elovanoids (ELV)...
July 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28697730/dietary-supplementation-of-%C3%AE-linolenic-acid-induced-conversion-of-n-3-lcpufas-and-reduced-prostate-cancer-growth-in-a-mouse-model
#10
Jingjing Li, Zhennan Gu, Yong Pan, Shunhe Wang, Haiqin Chen, Hao Zhang, Wei Chen, Yong Q Chen
BACKGROUND: α-linolenic acid (ALA) is an n-3 polyunsaturated fatty acid (PUFA) and the substrate for long-chain n-3 PUFAs. The beneficial effects of ALA on chronic diseases are still in dispute, unlike those of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). METHODS: The primary objective of this investigation was to evaluate the efficiency of ALA uptake from a vegetable oil source and its subsequent conversion to n-3 long-chain PUFAs (LCPUFAs) in the tissues of growing mice, and to investigate its protective role in a prostate cancer animal model...
July 11, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28697636/increasing-dietary-epa-and-dha-influence-estimated-fatty-acid-desaturase-activity-in-systemic-organs-which-is-reflected-in-the-red-blood-cell-in-mice
#11
Emily A Davidson, C Austin Pickens, Jenifer I Fenton
Delta-5 (D5D) and delta-6 (D6D) desaturase are key enzymes in fatty acid (FA) metabolism. Dietary eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) may alter tissue FA composition via D5D and D6D. The purpose was to determine the relationship between dietary EPA + DHA, estimated desaturase activities of various tissues and the reflection of desaturase activity in the red blood cell (RBC). Mice were fed diets with increasing percent of energy from EPA + DHA. Phospholipid FA composition of heart, muscle, spleen, lung, adipose tissues and RBC were analysed...
July 11, 2017: International Journal of Food Sciences and Nutrition
https://www.readbyqxmd.com/read/28689275/neuroprotective-effects-of-n-3-polyunsaturated-fatty-acid-enriched-phosphatidylserine-against-oxidative-damage-in-pc12-cells
#12
Hongxia Che, Xueyuan Fu, Lingyu Zhang, Xiang Gao, Min Wen, Lei Du, Changhu Xue, Jie Xu, Yuming Wang
Neurodegenerative diseases are defined by progressive loss of specific neuronal cell populations and are associated with protein aggregates. Oxidative stress has been implicated in their pathological processes. Previous studies revealed that docosahexaenoic acid (DHA) is beneficial in neurodegenerative diseases. Phospholipids (PLs) derived from marine products are rich in DHA and eicosapentaenoic acid (EPA). In the present study, we investigated the neuroprotective effects of DHA-enriched and unenriched phosphatidylcholine (PC) and phosphatidylserine (PS) on oxidative stress induced by hydrogen peroxide (H2O2) and tert-butylhydroperoxide in PC12 cells...
July 8, 2017: Cellular and Molecular Neurobiology
https://www.readbyqxmd.com/read/28687674/anti-inflammatory-%C3%AF-3-endocannabinoid-epoxides
#13
Daniel R McDougle, Josephine E Watson, Amr A Abdeen, Reheman Adili, Megan P Caputo, John E Krapf, Rodney W Johnson, Kristopher A Kilian, Michael Holinstat, Aditi Das
Clinical studies suggest that diets rich in ω-3 polyunsaturated fatty acids (PUFAs) provide beneficial anti-inflammatory effects, in part through their conversion to bioactive metabolites. Here we report on the endogenous production of a previously unknown class of ω-3 PUFA-derived lipid metabolites that originate from the crosstalk between endocannabinoid and cytochrome P450 (CYP) epoxygenase metabolic pathways. The ω-3 endocannabinoid epoxides are derived from docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) to form epoxyeicosatetraenoic acid-ethanolamide (EEQ-EA) and epoxydocosapentaenoic acid-ethanolamide (EDP-EA), respectively...
July 7, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28686542/polyunsaturated-fatty-acids-and-endocannabinoids-in-health-and-disease
#14
Hércules Rezende Freitas, Alinny Rosendo Isaac, Renato Malcher-Lopes, Bruno Lourenço Diaz, Isis Hara Trevenzoli, Ricardo Augusto De Melo Reis
Polyunsaturated fatty acids (PUFAs) are lipid derivatives of omega-3 (docosahexaenoic acid, DHA, and eicosapentaenoic acid, EPA) or of omega-6 (arachidonic acid, ARA) synthesized from membrane phospholipids and used as a precursor for endocannabinoids (ECs). They mediate significant effects in the fine-tune adjustment of body homeostasis. Phyto- and synthetic cannabinoids also rule the daily life of billions worldwide, as they are involved in obesity, depression and drug addiction. Consequently, there is growing interest to reveal novel active compounds in this field...
July 7, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28682409/effects-of-omega-3-fatty-acid-supplementation-on-the-pattern-of-oxylipins-a-short-review-about-the-modulation-of-hydroxy-dihydroxy-and-epoxy-fatty-acids
#15
REVIEW
Annika I Ostermann, Nils Helge Schebb
A growing body of evidence suggests that the intake of the long chain omega-3 polyunsaturated fatty acids (n3-PUFA) eicosapentaenoic acid (C20:5 n3, EPA) and docosahexaenoic acid (C22:6 n3, DHA) is linked to beneficial health effects, particularly in the prevention of cardiovascular and inflammatory diseases. Although the molecular mode of action of n3-PUFA is still not fully understood, it is not controversial that a significant portion of the (patho)-physiological effects of PUFA are mediated by their oxidative metabolites, i...
July 19, 2017: Food & Function
https://www.readbyqxmd.com/read/28675488/eicosapentaenoic-acid-and-docosahexaenoic-acid-containing-supplements-modulate-risk-factors-for-cardiovascular-disease-a-meta-analysis-of-randomised-placebo-control-human-clinical-trials
#16
S AbuMweis, S Jew, R Tayyem, L Agraib
BACKGROUND: Over 200 clinical trials have examined the effect of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) supplements on risk factors associated with cardiovascular disease. However, an updated analysis of the evidence is lacking. The aim of the present meta-analysis was to quantify the effect of supplements containing EPA and DHA on risk factors for cardiovascular disease. METHODS: An analysis was carried on 171 clinical trials with acceptable quality (Jadad score ≥3) that were identified from a comprehensive electronic search strategy of two databases (Pubmed and Cochrane Library)...
July 4, 2017: Journal of Human Nutrition and Dietetics: the Official Journal of the British Dietetic Association
https://www.readbyqxmd.com/read/28672788/n-3-polyunsaturated-fatty-acids-decrease-the-protein-expression-of-soluble-epoxide-hydrolase-via-oxidative-stress-induced-p38-kinase-in-rat-endothelial-cells
#17
Takashi Okada, Katsutaro Morino, Fumiyuki Nakagawa, Masashi Tawa, Keiko Kondo, Osamu Sekine, Takeshi Imamura, Tomio Okamura, Satoshi Ugi, Hiroshi Maegawa
N-3 polyunsaturated fatty acids (PUFAs) improve endothelial function. The arachidonic acid-derived metabolites (epoxyeicosatrienoic acids (EETs)) are part of the endothelial hyperpolarization factor and are vasodilators independent of nitric oxide. However, little is known regarding the regulation of EET concentration by docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) in blood vessels. Sprague-Dawley rats were fed either a control or fish oil diet for 3 weeks. Compared with the control, the fish oil diet improved acetylcholine-induced vasodilation and reduced the protein expression of soluble epoxide hydrolase (sEH), a key EET metabolic enzyme, in aortic strips...
June 24, 2017: Nutrients
https://www.readbyqxmd.com/read/28671567/evaluation-of-marine-microalga-diacronema-vlkianum-biomass-fatty-acid-assimilation-in-wistar-rats
#18
Cristina de Mello-Sampayo, Angela Paterna, Ambra Polizzi, Diana Duarte, Irineu Batista, Rui Pinto, Patrícia Gonçalves, Anabela Raymundo, Ana P Batista, Luísa Gouveia, Beatriz Silva-Lima, Narcisa M Bandarra
Diacronema vlkianum is a marine microalgae for which supposed health promoting effects have been claimed based on its phytochemical composition. The potential use of its biomass as health ingredient, including detox-shakes, and the lack of bioavailability studies were the main concerns. In order to evaluate the microalgae-biomass assimilation and its health-benefits, single-dose (CD1-mice) studies were followed by 66-days repeated-dose study in Wistar rats with the highest tested single-dose of microalgae equivalent to 101 mg/kg eicosapentaenoic acid + docosahexaenoic acid (EPA+DHA)...
July 1, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28669629/the-ratio-of-serum-eicosapentaenoic-acid-to-arachidonic-acid-and-risk%C3%A2-of-cancer-death-in-a-japanese-community-the-hisayama-study
#19
Masaharu Nagata, Jun Hata, Yoichiro Hirakawa, Naoko Mukai, Daigo Yoshida, Tomoyuki Ohara, Hiro Kishimoto, Hiroyuki Kawano, Takanari Kitazono, Yutaka Kiyohara, Toshiharu Ninomiya
BACKGROUND: Whether the intake of eicosapentaenoic acid (EPA) or arachidonic acid (AA) affects the risk of cancer remains unclear, and the association between the serum EPA:AA ratio and cancer risk has not been fully evaluated in general populations. METHODS: A total of 3098 community-dwelling subjects aged ≥40 years were followed up for 9.6 years (2002-2012). The levels of the serum EPA:AA ratio were categorized into quartiles (<0.29, 0.29-0.41, 0.42-0.60, and >0...
June 29, 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28665359/estrogen-promotes-hepatic-synthesis-of-long-chain-polyunsaturated-fatty-acids-by-regulating-elovl5-at-post-transcriptional-level-in-laying-hens
#20
Meng Zhang, Cui-Cui Li, Fang Li, Hong Li, Xiao-Jun Liu, Juan J Loor, Xiang-Tao Kang, Gui-Rong Sun
The very long chain fatty acid elongase (ELOVL) plays an important role in the synthesis of long-chain polyunsaturated fatty acids (LCPUFA). Previous studies suggest that chicken could be an alternate source of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). In this study, we detected that ELOVL5, which plays a key role in the biosynthesis of omega-3 (n-3) and omega-6 (n-6) polyunsaturated fatty acids (PUFA), was highly expressed in the liver of laying hens and increased rapidly after sexual maturity...
June 30, 2017: International Journal of Molecular Sciences
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