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https://www.readbyqxmd.com/read/28640602/dietary-n-carbamylglutamate-supplementation-in-reduced-protein-diet-affects-carcass-traits-and-profile-of-muscle-amino-acids-and-fatty-acids-in-finishing-pigs
#1
Changchuan Ye, Xiangzhou Zeng, JInlong Zhu, Ying Liu, Qianhong Ye, Shiyan Qiao, Xiangfang Zeng
This aim of this study was to investigate whether dietary N-Carbamylglutamate (NCG) supplementation affected carcass traits and meat quality in finishing pigs. One hundred and twenty gilts were randomly assigned to one of four treatments for 40 d, including standard protein diet (SP), reduced protein diet supplemented 1.7% L-alanine (RP + Ala), reduced protein diet supplemented with 1.0 % L-arginine (RP + Arg) and reduced protein diet supplemented with 0.1% NCG and 1.7% L-alanine (RP + NCG). NCG supplementation increased the endogenous synthesis of L-arginine...
June 22, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28636510/the-balance-of-omega-3-polyunsaturated-fatty-acids-for-reducing-residual-risks-in-patients-with-coronary-artery-disease
#2
Yuji Nishizaki, Kazunori Shimada, Hiroyuki Daida
Residual risk, which cannot be prevented by statins alone, must be controlled for inhibiting the onset of coronary events. Omega-3 polyunsaturated fatty acids (PUFAs) play an important role in controlling residual risk. The Japan eicosapentaenoic acid (EPA) Lipid Intervention Study demonstrated the inhibitory effect of high-purity EPA preparations on the residual risk of cardiovascular events. Omega-3 PUFAs inhibit coronary artery disease (CAD) through various actions, including triglyceride-lowering action...
March 21, 2017: Acta Cardiologica
https://www.readbyqxmd.com/read/28635612/consequences-of-lipopolysaccharide-and-n-3-polyunsaturated-fatty-acid-administration-on-aortic-function-of-spontaneously-hypertensive-rats
#3
Barbara Kaprinay, Ruzena Sotnikova, Karel Frimmel, Jakub Krizak, Iveta Bernatova, Jana Navarova, Ludmila Okruhlicova
The aim of the work was to study the delayed effect of lipopolysaccharide (LPS) administration on endothelial function of the aorta of rats with genetic hypertension. Further, the possibility to ameliorate LPS-induced changes by n-3 polyunsaturated fatty acids (n-3 PUFA) was tested. Rats received a bolus of 1 mg/kg LPS i.p.; n-3 PUFA were administered in the dose of 30 mg/kg daily for 10 days p.o.. Ten days after receiving of LPS, the body weight gain of rats was statistically lower compared to control rats (p < 0...
July 2017: General Physiology and Biophysics
https://www.readbyqxmd.com/read/28635163/early-pregnancy-body-mass-index-modifies-the-association-of-pre-pregnancy-dietary-patterns-with-serum-polyunsaturated-fatty-acid-concentrations-throughout-pregnancy-in-brazilian-women
#4
Camila Benaim, Ana Amélia Freitas-Vilela, Thatiana de Jesus Pereira Pinto, Jaqueline Lepsch, Dayana Rodrigues Farias, Juliana Dos Santos Vaz, Tatiana El-Bacha, Gilberto Kac
Dietary patterns (DPs) have been described as an important factor that may influence polyunsaturated fatty acid (PUFA) concentrations and body mass index (BMI) during pregnancy. We aim to evaluate the association between pre-pregnancy DPs and serum PUFA percentages throughout pregnancy considering early pregnancy BMI as a possible effect modifier. A prospective cohort of 154 pregnant women was followed (5th-13th, 20th-26th, and 30th-36th gestational weeks). Serum PUFA concentrations (total n-3 and total n-6, eicosapentaenoic + docosahexaenoic acids) were measured in each trimester and expressed as percentages...
June 21, 2017: Maternal & Child Nutrition
https://www.readbyqxmd.com/read/28634391/two-alternative-pathways-for-docosahexaenoic-acid-dha-22-6n-3-biosynthesis-are-widespread-among-teleost-fish
#5
Angela Oboh, Naoki Kabeya, Greta Carmona-Antoñanzas, L Filipe C Castro, James R Dick, Douglas R Tocher, Oscar Monroig
Docosahexaenoic acid (DHA) plays important physiological roles in vertebrates. Studies in rats and rainbow trout confirmed that DHA biosynthesis proceeds through the so-called "Sprecher pathway", a biosynthetic process requiring a Δ6 desaturation of 24:5n-3 to 24:6n-3. Alternatively, some teleosts possess fatty acyl desaturases 2 (Fads2) that enable them to biosynthesis DHA through a more direct route termed the "Δ4 pathway". In order to elucidate the prevalence of both pathways among teleosts, we investigated the Δ6 ability towards C24 substrates of Fads2 from fish with different evolutionary and ecological backgrounds...
June 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28633686/polymorphisms-of-the-tnf-%C3%AE-gene-interact-with-plasma-fatty-acids-on-inflammatory-biomarker-profile-a-population-based-cross-sectional-study-in-s%C3%A3-o-paulo-brazil
#6
Erica Oki, Marina N Norde, Antônio A F Carioca, José M P Souza, Inar A Castro, Dirce M L Marchioni, Regina M Fisberg, Marcelo M Rogero
The aim of the present study was to investigate the relationship of four TNF-α SNP with inflammatory biomarkers and plasma fatty acids (FA), and the interaction among them in a population-based, cross-sectional study in São Paulo, Brazil. A total of 281 subjects, aged >19 and <60 years, participated in a cross-sectional, population-based study performed in Brazil. The following SNP spanning the TNF-α gene were genotyped: -238G/A (rs361525), -308G/A (rs1800629), -857C/T (rs1799724) and -1031T/C (rs1799964)...
June 21, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28631807/compositional-analyses-and-shelf-life-modeling-of-njangsa-ricinodendron-heudelotii-seed-oil-using-the-weibull-hazard-analysis
#7
Harold K Abaidoo-Ayin, Prince G Boakye, Kerby C Jones, Victor T Wyatt, Samuel A Besong, Stephen E Lumor
This study investigated the compositional characteristics and shelf-life of Njangsa seed oil (NSO). Oil from Njangsa had a high polyunsaturated fatty acid (PUFA) content of which alpha eleostearic acid (α-ESA), an unusual conjugated linoleic acid was the most prevalent (about 52%). Linoleic acid was also present in appreciable amounts (approximately 34%). Our investigations also indicated that the acid-catalyzed transesterification of NSO resulted in lower yields of α-ESA methyl esters, due to isomerization, a phenomenon which was not observed under basic conditions...
June 20, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28631078/evaluation-of-the-association-between-sleep-apnea-and-polyunsaturated-fatty-acids-profiles-in-patients-after-percutaneous-coronary-intervention
#8
Keisuke Nakabayashi, Kentaro Jujo, Katsumi Saito, Toshiaki Oka, Nobuhisa Hagiwara
The long-term outcome is poor in patients with sleep apnea and cardiovascular disease. Polyunsaturated fatty acid (PUFA) is also known as an independent predictor for adverse clinical events. However, the profile of PUFA in sleep apnea patients with coronary artery disease (CAD) is still unclear. This study aimed to clarify the association between sleep apnea and PUFA profiles in patients with CAD. Two hundred seventy-four consecutive patients undergoing percutaneous coronary intervention (PCI) were screened for sleep apnea using nocturnal oximetry...
June 19, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/28630250/amplification-of-mglu5-endocannabinoid-signaling-rescues-behavioral-and-synaptic-deficits-in-a-mouse-model-of-adolescent-and-adult-dietary-polyunsaturated-fatty-acids-imbalance
#9
Antonia Manduca, Anissa Bara, Thomas Larrieu, Olivier Lassalle, Corinne Joffre, Sophie Layé, Olivier J Manzoni
Energy-dense, yet nutritionally-poor food is a high-risk factor for mental health disorders. This is of particular concern during adolescence, a period often associated with increased consumption of low nutritional content food and higher prevalence of mental health disorders. Indeed, there is an urgent need to understand the mechanisms linking unhealthy diet and mental disorders. Deficiency in n-3 polyunsaturated fatty acid (PUFAs) is a hallmark of poor nutrition and mood disorders. Here, we developed a mouse model of n-3 PUFAs deficiency lasting from adolescence into adulthood...
June 19, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28627710/oil-and-eicosapentaenoic-acid-production-by-the-diatom-phaeodactylum-tricornutum-cultivated-outdoors-in-green-wall-panel-gwp%C3%A2-reactors
#10
Liliana Rodolfi, Natascia Biondi, Alessia Guccione, Niccolò Bassi, Massimo D'Ottavio, Gimena Arganaraz, Mario R Tredici
Phaeodactylum tricornutum is a widely studied diatom and has been proposed as a source of oil and polyunsaturated fatty acids (PUFA), particularly eicosapentaenoic acid (EPA). Recent studies indicate that lipid accumulation occurs under nutritional stress. Aim of this research was to determine how changes in nitrogen availability affect productivity, oil yield and fatty acid (FA) composition of P. tricornutum UTEX 640. After preliminary laboratory trials, outdoor experiments were carried out in 40-L GWP® reactors under different nitrogen regimes in batch...
June 19, 2017: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/28626144/glass-bead-based-genetic-transformation-an-efficient-method-for-transformation-of-thraustochytrid-microorganisms
#11
Takumi Adachi, Takehiko Sahara, Hidetoshi Okuyama, Naoki Morita
Here, we describe a new method for genetic transformation of thraustochytrids, well-known producers of polyunsaturated fatty acids (PUFAs) like docosahexaenoic acid, by combining mild glass (zirconia) bead treatment and electroporation. Because the cell wall is a barrier against transfer of exogenous DNA into cells, gentle vortexing of cells with glass beads was performed prior to electroporation for partial cell wall disruption. G418-resistant transformants of thraustochytrid cells (Aurantiochytrium limacinum strain SR21 and thraustochytrid strain 12B) were successfully obtained with good reproducibility...
June 13, 2017: Journal of Oleo Science
https://www.readbyqxmd.com/read/28626062/insights-into-the-function-of-n-3-pufas-in-fat-1-transgenic-cattle
#12
Xin-Feng Liu, Zhu-Ying Wei, Chun-Ling Bai, Xiang-Bin Ding, Xin Li, Guang-Hua Su, Lei Cheng, Li Zhang, Hong Guo, Guang-Peng Li
n-3 polyunsaturated fatty acids (PUFAs) have many beneficial effects on human health, including roles in immunity, neurodevelopment, and preventing cardiovascular disease. In this study, we established reliable model fat-1 transgenic cattle using transgenic technology and performed a systematic investigation to examine the function of n-3 PUFAs. Our results showed that expression of the fat-1 gene improved several biochemical parameters related to liver function and to plasma glucose and plasma lipid metabolism...
June 16, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/28625107/associations-between-omega-3-fatty-acids-and-25-oh-d-and-psychological-distress-among-inuit-in-canada
#13
Hans-Ragnar Skogli, Dominique Geoffroy, Hope A Weiler, Grethe S Tell, Laurence J Kirmayer, Grace M Egeland
BACKGROUND: Inuit in Canada have experienced dietary changes over recent generations, but how this relates to psychological distress has not been investigated. OBJECTIVE: To evaluate how nutritional biomarkers are related to psychological distress. DESIGN: A total of 36 communities in northern Canada participated in the International Polar Year Inuit Health Survey (2007-2008). Of 2796 households, 1901 (68%) participated; 1699 Inuit adults gave blood samples for biomarker analysis and answered the Kessler 6-item psychological distress questionnaire (K6)...
2017: International Journal of Circumpolar Health
https://www.readbyqxmd.com/read/28622825/mutagenicity-of-%C3%AF-3-fatty-acid-peroxidation-products-in-the-ames-test
#14
Petr Grúz, Masatomi Shimizu, Kei-Ichi Sugiyama, Masamitsu Honma
Polyunsaturated fatty acids (PUFA) represent one of the main building blocks of cellular membranes and their varying composition impacts lifespan as well as susceptibility to cancer and other degenerative diseases. Increased intake of ω-3 PUFA is taught to compensate for the abundance of ω-6 PUFA in modern human diet and prevent cardiocirculatory diseases. However, highly unsaturated PUFA of marine and seed origin easily oxidize to aldehydic products which form DNA adducts. With increased PUFA consumption it is prudent to re-evaluate ω-3 PUFA safety and the genotoxic hazards of their metabolites...
July 2017: Mutation Research
https://www.readbyqxmd.com/read/28620184/transcriptomic-analysis-of-the-regulation-of-lipid-fraction-migration-and-fatty-acid-biosynthesis-in-schizochytrium-sp
#15
Lujing Ren, Xuechao Hu, Xiaoyan Zhao, Shenglan Chen, Yi Wu, Dan Li, Yadong Yu, Lingjun Geng, Xiaojun Ji, He Huang
Schizochytrium sp. is the main source of docosahexaenoic acid-rich oil, which is widely used in food additive and pharmaceutical industry. In this study, using RNA-seq, comparative transcriptomic analyses were performed at four stages of DHA fermentation by Schizochytrium sp to get potential genes related to cell transition from cell growth to lipid accumulation and then to lipid turnover. 1406, 385, 1384 differently expressed genes were identified by comparisons in pairs of S2 vs S1, S3 vs S2 and S4 vs S3...
June 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28614778/the-human-immunodeficiency-virus-hiv1-protease-inhibitor-sanquinavir-activates-autophagy-and-removes-lipids-deposited-in-lipid-droplets
#16
A Polus, M Bociaga-Jasik, U Czech, J Goralska, U Cialowicz, M Chojnacka, M Polus, K Jurowski, A Dembinska-Kiec
Reduction in mortality and increased average life span of the human immunodeficiency virus (HIV)-infected patients treated with antiretroviral therapy (ART) are associated with the risk of unwanted effects, such as insulin resistance and dyslipidemia with cardiovascular complications. Antiretroviral therapy may also be associated with lipodystrophy characterized as peripheral lipoatrophy with central fat accumulation. Understanding the molecular mechanisms of lipodystrophy caused by ART is important for therapeutic strategy and the prediction of side-effects...
April 2017: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28614390/fatty-acid-profiles-of-five-farmed-brazilian-freshwater-fish-species-from-different-families
#17
Bruna Leal Rodrigues, Anna Carolina Vilhena da Cruz Silva Canto, Marion Pereira da Costa, Flávio Alves da Silva, Eliane Teixeira Mársico, Carlos Adam Conte-Junior
The proximate composition and fatty acid (FA) profiles of five Brazilian freshwater fish species, namely Brycon cephalus (BC), Cichla ocellaris (CO), Prochilodus lineatus (PL), Leporinus friderici (LF) and Pseudoplatystoma corruscans (PCO), were investigated. CO and LF exhibited the highest (p < 0.05) moisture content, as well as one of the lowest (p < 0.05) lipid values, whereas BC presented the lowest (p < 0.05) moisture and, alongside PL, the highest (p < 0.05) lipid content. The predominant FAs in the evaluated fish species were palmitic, oleic, linoleic and docosahexaenoic acids...
2017: PloS One
https://www.readbyqxmd.com/read/28614260/abnormal-octadeca-carbon-fatty-acids-distribution-in-erythrocyte-membrane-phospholipids-of-patients-with-gastrointestinal-tumor
#18
Shaohui Lin, Tianyu Li, Xifang Liu, Shihu Wei, Zequn Liu, Shimin Hu, Yali Liu, Hongzhuan Tan
Fatty acid (FA) composition is closely associated with tumorigenesis and neoplasm metastasis. This study was designed to investigate the differences of phospholipid FA (PLFA) composition in erythrocyte and platelet cell membranes in both gastrointestinal (GI) tumor patients and healthy controls.In this prospective study, 50 GI tumor patients and 33 healthy volunteers were recruited between the years 2013 and 2015. Blood samples were collected from healthy volunteers and patients, and FA composition was assessed using gas chromatography-mass spectrometer (GC-MS), and data were analyzed by multifactor regression analysis...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28614060/dietary-n-3-polyunsaturated-fatty-acids-fish-consumption-and-endometrial-cancer-risk-a-meta-analysis-of-epidemiological-studies
#19
Rui Hou, Shen-Shen Yao, Jia Liu, Lian-Lian Wang, Lang Wu, Luo Jiang
The relationship between intake of fish and n-3 fatty acids and endometrial cancer risk has not been consistent across epidemiological studies. We quantitatively assessed the aforementioned association through a systematic review and meta-analysis. PubMed and Embase were searched through March 2017 for eligible epidemiological studies. Fixed or random-effects models were used to pool relative risks (RRs) and 95% confidence intervals (CIs). The dose-response relationship was also evaluated. Based on the literature search, five prospective studies and 11 case-control studies were identified...
May 30, 2017: Oncotarget
https://www.readbyqxmd.com/read/28610769/insight-into-the-contribution-of-isoprostanoids-to-the-health-effects-of-omega-3-pufas
#20
REVIEW
Laurie Joumard-Cubizolles, Jetty Chung-Yung Lee, Claire Vigor, Ho Hang Leung, Justine Bertrand-Michel, Jean-Marie Galano, André Mazur, Thierry Durand, Cecile Gladine
Omega 3 polyunsaturated fatty acids have been reported to confer beneficial health effects notably in the field of cardiovascular and inflammatory diseases. The current knowledge suggests a significant portion of the effects of omega 3 polyunsaturated fatty acids are mediated by their oxygenated metabolites. This review attempts to cover the current literature about the contribution of specific omega 3 oxygenated metabolites, namely omega 3 isoprostanoids, which are produced through free-radical mediated oxidation...
June 10, 2017: Prostaglandins & Other Lipid Mediators
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