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Omega fatty acids

Sheylla M Felau, Lucas P Sales, Marina Y Solis, Ana Paula Hayashi, Hamilton Roschel, Ana Lúcia Sá-Pinto, Danieli Castro Oliveira De Andrade, Keyla Y Katayama, Maria Claudia Irigoyen, Fernanda Consolim-Colombo, Eloisa Bonfa, Bruno Gualano, Fabiana B Benatti
Endothelial cells are thought to play a central role in the pathogenesis of antiphospholipid syndrome (APS). Omega-3 polyunsaturated fatty acid (n-3 PUFA) supplementation has been shown to improve endothelial function in a number of diseases; thus, it could be of high clinical relevance in APS. The aim of this study was to evaluate the efficacy of n-3 PUFA supplementation on endothelial function (primary outcome) of patients with primary APS (PAPS). A 16-week randomized clinical trial was conducted with 22 adult women with PAPS...
2018: Frontiers in Immunology
Pan Zhuang, Wenqiao Wang, Jun Wang, Yu Zhang, Jingjing Jiao
BACKGROUND & AIMS: Polyunsaturated fatty acids (PUFA) have been reported to exert pleiotropic protective effects against various chronic diseases. However, epidemiologic evidence linking specific PUFA intake to mortality has been limited and contradictory. We aim to assess the associations between specific dietary PUFA and mortality among adults in China and America, respectively. METHODS: Participants from China Health and Nutrition Survey (CHNS, n = 14,117) and National Health and Nutrition Examination Survey [NHANES (n = 36,032)] were prospectively followed up through the year 2011...
March 3, 2018: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
I S M van der Wurff, C von Schacky, T Bergeland, R Leontjevas, M P Zeegers, P A Kirschner, R H M de Groot
PURPOSE: Depression is common in adolescents and long-chain polyunsaturated fatty acids (LCPUFA) are suggested to be associated with depression. However, research in adolescents is limited. Furthermore, self-esteem has never been studied in relation to LCPUFA. The objective here was to determine associations of depression and self-esteem with eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA), Omega-3 Index (O3I), n-6 docosapentaenoic acid (n-6 DPA, also called Osbond acid, ObA), n-3 docosapentaenoic acid (DPA), and arachidonic acid (AA) concentrations in blood of adolescents attending lower general secondary education (LGSE)...
March 16, 2018: European Journal of Nutrition
Omer Said Toker, Nevzat Konar, Ibrahim Palabiyik, Haniyeh Rasouli Pirouzian, Sirin Oba, Derya Genc Polat, Ender Sinan Poyrazoglu, Osman Sagdic
In this study, dark chocolate enriched with EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid) was developed using various forms and origins. Quality characteristics such as physical, thermo-gravimetric, rheological, textural and sensory properties of chocolates were investigated. The highest EPA/DHA stability was determined in samples prepared by free-flowing powder and microencapsulated forms of omega-3 fatty acids (FA). The L∗ and C∗ values varied from 32.16-33.37 and 7.45-8.09, respectively for the all samples...
July 15, 2018: Food Chemistry
Bruna de Falco, Alberto Fiore, Roberta Rossi, Mariana Amato, Virginia Lanzotti
Chia is a food plant producing seeds which have seen increasing interest owing to their health benefits. This work is the first report on the metabolite profile, total polyphenols and antioxidant activity of chia seeds, determined by ultrasound-assisted extraction, coupled with gas chromatography-mass spectrometry (UAE GC-MS). Different chia sources were compared: two commercial (black and white) and three early flowering (G3, G8 and G17) mutant genotypes. Organic extracts were mainly composed of mono- and polyunsaturated fatty acids with alpha-linolenic being the most abundant...
July 15, 2018: Food Chemistry
Kaitlin Roke, Jodi Rattner, Paula Brauer, David M Mutch
PURPOSE: To assess awareness of omega-3 fatty acids (FAs) and their possible health effects among young adults. METHODS: An online survey was deployed to young adults. Questionnaire development involved identification of topic areas by content experts and adaptation of questions from previous consumer surveys. Focus groups and cognitive interviews ensured face validity, feasibility, and clarity of survey questions. Degrees of awareness and self-reported consumption were assessed by descriptive statistics and associations by Cochran's Q tests, Pearson's χ2 tests, Z-tests, and logistic regression...
March 16, 2018: Canadian Journal of Dietetic Practice and Research
James C Jackson, Dariush Mozaffarian, Amy J Graves, Nancy J Brown, Roberto Marchioli, Amy L Kiehl, E Wesley Ely
Background: Cognitive decline has been reported following cardiac surgery, leading to great interest in interventions to minimize its occurrence. Long-chain n-3 (ω-3) polyunsaturated fatty acids (PUFAs) have been associated with less cognitive decline in observational studies, yet no trials have tested the effects of n-3 PUFAs on cognitive decline after surgery. Objective: We sought to determine whether perioperative n-3 PUFA supplementation reduces postoperative cognitive decline in patients postcardiac surgery...
March 1, 2018: Journal of Nutrition
Milad Moloudizargari, Esmaeil Mortaz, Mohammad Hossein Asghari, Ian M Adcock, Frank A Redegeld, Johan Garssen
Omega-3 polyunsaturated fatty acids (PUFAs) have well established anti-cancer properties. Eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) are among this biologically active family of macromolecules for which various anti-cancer effects have been explained. These PUFAs have a high safety profile and can induce apoptosis and inhibit growth of cancer cells both in vitro and in vivo , following a partially selective manner. They also increase the efficacy of chemotherapeutic agents by increasing the sensitivity of different cell lines to specific anti-neoplastic drugs...
February 20, 2018: Oncotarget
Eleonora Scorletti, Christopher D Byrne
For many years it has been known that high doses of long chain omega-3 fatty acids are beneficial in the treatment of hypertriglyceridaemia. Over the last three decades, there has also been a wealth of in vitro and in vivo data that has accumulated to suggest that long chain omega-3 fatty acid treatment might be beneficial to decrease liver triacylglycerol. Several biological mechanisms have been identified that support this hypothesis; notably, it has been shown that long chain omega-3 fatty acids have a beneficial effect: a) on bioactive metabolites involved in inflammatory pathways, and b) on alteration of nuclear transcription factor activities such as peroxisome proliferator-activated receptors (PPARs), sterol regulatory element-binding protein 1c (SREBP-1c) and carbohydrate-responsive element-binding protein (ChREBP), involved in inflammatory pathways and liver lipid metabolism...
March 12, 2018: Molecular Aspects of Medicine
Hayley A Young, David Benton
As the influence of diet on health may take place over a period of decades, there is a need for biomarkers that help to identify those aspects of nutrition that have either a positive or a negative influence. The evidence is considered that heart-rate variability (HRV) (the time differences between one beat and the next) can be used to indicate the potential health benefits of food items. Reduced HRV is associated with the development of numerous conditions for example, diabetes, cardiovascular disease, inflammation, obesity and psychiatric disorders...
April 2018: Behavioural Pharmacology
Marco M Manni, Marion L Tiberti, Sophie Pagnotta, Hélène Barelli, Romain Gautier, Bruno Antonny
Phospholipid membranes form cellular barriers but need to be flexible enough to divide by fission. Phospholipids generally contain a saturated fatty acid (FA) at position sn1 whereas the sn2 -FA is saturated, monounsaturated or polyunsaturated. Our understanding of the impact of phospholipid unsaturation on membrane flexibility and fission is fragmentary. Here, we provide a comprehensive view of the effects of the FA profile of phospholipids on membrane vesiculation by dynamin and endophilin. Coupled to simulations, this analysis indicates that: (i) phospholipids with two polyunsaturated FAs make membranes prone to vesiculation but highly permeable; (ii) asymmetric sn1 -saturated- sn2 -polyunsaturated phospholipids provide a tradeoff between efficient membrane vesiculation and low membrane permeability; (iii) When incorporated into phospholipids, docosahexaenoic acid (DHA; omega-3) makes membranes more deformable than arachidonic acid (omega-6)...
March 15, 2018: ELife
Narges Sadeghi, Farnoush Paknezhad, Mohamadreza Rashidi Nooshabadi, Maria Kavianpour, Sima Jafari Rad, Hossein Khadem Haghighian
Primary dysmenorrhea is one of the most common complaints of women. The aim of this study was to investigate the adjuvant effect of vitamin E and omega-3 fatty acids, separately or in combination, supplements on pain in the treatment of primary dysmenorrhea. This clinical trial conducted on students of university. Qualified girls completed the VAS before randomization. Arrangement was determined according to the severity of the pain (mild 0-3; moderate 3.1-6; severe 6.1-10). One hundred patients were randomly assigned to four groups receiving omega-3 (n = 25), vitamin E (n = 25), vitamin E- omega-3 (n = 25), or placebo (n = 25)...
March 15, 2018: Gynecological Endocrinology
Ji-Hyun Bae, Gaeun Kim
One of the typical symptoms of a psychological crisis is depression, an increasing concern in the elderly population. Although omega-3-polyunsaturated fatty acids (PUFAs) are reported to be promising nutrients for treating depression, currently, there are no systematic reviews or meta-analyses of randomized control trials that provide critical evidence regarding the potential benefits of omega-3 fatty acids in elderly patients with depression. This analysis was conducted to provide evidence for the clinical application of omega-3 fatty acids in the treatment of depressive symptoms of elderly subjects older than 65 years...
February 2018: Nutrition Research
Marilena Lepretti, Stefania Martucciello, Mario Alberto Burgos Aceves, Rosalba Putti, Lillà Lionetti
Mitochondrial dysfunction and endoplasmic reticulum (ER) stress have been suggested to play a key role in insulin resistance development. Reactive oxygen species (ROS) production and lipid accumulation due to mitochondrial dysfunction seemed to be important mechanisms leading to cellular insulin resistance. Moreover, mitochondria are functionally and structurally linked to ER, which undergoes stress in conditions of chronic overnutrition, activating the unfolded protein response, which in turn activates the principal inflammatory pathways that impair insulin action...
March 14, 2018: Nutrients
M I Gladyshev
For the first time, the quantity of protectors of cardiovascular deceases-omega-3 polyunsaturated fatty acids, eicosapentaenoic (20:5n-3, EPA) and docosahexaenoic (22:6n-3, DHA), obtained through fish (Eurasian perch) catch in water bodies of different trophic status was determined. A formula was drawn to calculate the quantity of obtained EPA + DHA (kg km-2 year-1 ) depending on the concentration of total phosphorus in water. It is found that the maximum quantity of EPA + DHA can be obtained by humans from fish caught in mesotrophic water bodies...
January 2018: Doklady. Biochemistry and Biophysics
David F Driscoll
The incidence of antimicrobial resistance (AMR) worldwide is increasing as the pipeline for the development of new chemotherapeutic entities is decreasing. Clearly, overexposure to antibiotics, including excessive dosing, is a key factor that fuels AMR. In fact, most of the new antibacterial agents under development are derivatives of existing classes of antibiotics. Novel approaches involving unique antimicrobial combinations, targets, and/or delivery systems are under intense investigation. An innovative combination of active pharmaceutical ingredients (APIs) consisting of antimicrobial drug(s), krill-oil-based phospholipids, and omega-3 fatty acid triglycerides, that may extend the therapeutic viability of currently effective antibiotics, at least until new chemical entities are introduced, is described...
March 10, 2018: Antibiotics
Jean-Claude Lavoie, Ibrahim Mohamed, Anne-Monique Nuyt, Wesam Elremaly, Thérèse Rouleau
BACKGROUND: Parenteral nutrition (PN) is associated with bronchopulmonary dysplasia in premature infants. In animals, PN leads to alveolar loss following stimulation of apoptosis by oxidative stress (oxidized redox potential). Peroxides and aldehydes generated in PN can induce hypo-alveolarization. The implication of peroxides, which is reduced by light protection, is demonstrated. The implication of aldehydes from omega-6 fatty acids oxidation is expected. The hypothesis is that composition and light exposure of PN influences bronchopulmonary dysplasia development...
March 13, 2018: JPEN. Journal of Parenteral and Enteral Nutrition
Kieran N Kilcawley, Hope Faulkner, Holly J Clarke, Maurice G O'Sullivan, Joseph P Kerry
There has been a surge in interest in relation to differentiating dairy products derived from pasture versus confined systems. The impact of different forage types on the sensory properties of milk and cheese is complex due to the wide range of on farm and production factors that are potentially involved. The main effect of pasture diet on the sensory properties of bovine milk and cheese is increased yellow intensity correlated to β-carotene content, which is a possible biomarker for pasture derived dairy products...
March 13, 2018: Foods (Basel, Switzerland)
Sami Johan Taipale, Kimmo Kalevi Kahilainen, Gordon William Holtgrieve, Elina Talvikki Peltomaa
The first few months of life is the most vulnerable period for fish and their optimal hatching time with zooplankton prey is favored by natural selection. Traditionally, however, prey abundance (i.e., zooplankton density) has been considered important, whereas prey nutritional composition has been largely neglected in natural settings. High-quality zooplankton, rich in both essential amino acids (EAAs) and fatty acids (FAs), are required as starting prey to initiate development and fast juvenile growth. Prey quality is dependent on environmental conditions, and, for example, eutrophication and browning are two major factors defining primary producer community structures that will directly determine the nutritional quality of the basal food sources (algae, bacteria, terrestrial matter) for zooplankton...
March 2018: Ecology and Evolution
Mouokeu Raymond Simplice, Womeni Hilaire Macaire, Njike Ngamga Fabrice Hervé, Tonfack Djikeng Fabrice, Djopnang DJimbie Justin, Tchoumbougnang François, Kuiate Jules-Roger
BACKGROUNDS: Oils of fish origin are a very rich source of Omega - 3 and Omega - 6 fatty acids. They have been suggested to provide numerous health benefits for humans involving antimicrobial properties. Chrysichthys nigrodigitatus and Hepsetus odoe are two fishes well known in Cameroon. The chemical composition and the antibacterial activity of these fishes derived oils are unknown. The study was designed to valorise C. nigrodigitatus and H.s odoe oils activity against food poisoning bacteria...
March 12, 2018: Lipids in Health and Disease
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