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https://www.readbyqxmd.com/read/28721583/microbial-and-genetically-engineered-oils-as-replacements-for-fish-oil-in-aquaculture-feeds
#1
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/28686542/polyunsaturated-fatty-acids-and-endocannabinoids-in-health-and-disease
#2
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
#3
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/28671567/evaluation-of-marine-microalga-diacronema-vlkianum-biomass-fatty-acid-assimilation-in-wistar-rats
#4
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/28665359/estrogen-promotes-hepatic-synthesis-of-long-chain-polyunsaturated-fatty-acids-by-regulating-elovl5-at-post-transcriptional-level-in-laying-hens
#5
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
https://www.readbyqxmd.com/read/28664342/effect-of-supplemented-intake-of-omega-3-fatty-acids-on-arrhythmias-in-patients-with-icd-fish-oil-therapy-may-reduce-ventricular-arrhythmia
#6
Dalit Weisman, Roy Beinart, Aharon Erez, Nira Koren-Morag, Ilan Goldenberg, Michael Eldar, Michael Glikson, David Luria
PURPOSE: The aim of this study was to evaluate the effects of fish oils, including eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), on ventricular tachyarrhythmic episodes (VTEs) in implantable cardioverter defibrillator (ICD) recipients with ischemic cardiomyopathy. METHODS: One hundred five ICD recipients with ischemic cardiomyopathy received 3.6 g of EPA and DHA and placebo for 6 months, each at a random order, with a 4-month washout period between treatments...
June 29, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28662394/omega-3-polyunsaturated-fatty-acids-improve-the-antioxidative-defense-in-rat-astrocytes-via-an-nrf2-dependent-mechanism
#7
Emilia Zgórzyńska, Barbara Dziedzic, Anna Gorzkiewicz, Dawid Stulczewski, Katarzyna Bielawska, Kuan-Pin Su, Anna Walczewska
INTRODUCTION: Neuronal tolerance to hypoxia and nutrient defficiency highly depends on GSH levels and antioxidant enzyme activity in astrocytes. Omega-3 polyunsaturated fatty acids (ω-3PUFA) enhance antioxidant defence in different cells. The aim of present study was to investigate if ω-3PUFA improve antioxidant status in astrocytes. METHODS: Rat primary astrocytes were incubated for 24h with DHA and EPA (30μM), then lysed, fractioned and fatty acids were determined by gas chromatography...
April 20, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28656110/erythrocyte-omega-3-fatty-acid-content-in-elite-athletes-in-response-to-omega-3-supplementation-a-dose-response-pilot-study
#8
Franchek Drobnic, Félix Rueda, Victoria Pons, Montserrat Banquells, Begoña Cordobilla, Joan Carles Domingo
INTRODUCTION: Supplementation of Omega-3 fatty acids (n-3FA) in athletes is related to the anti-inflammatory and/or antioxidant effect and consequently its action on all the processes of tissue restoration and adaptation to physical stress. OBJECTIVE: Evaluate the Omega-3 Index (O3Ix) response, in red blood cells, to supplemental EPA + DHA intake in the form of high purity and stable composition gums (G), in elite summer athletes. METHOD: Twenty-four summer sport athletes of both sexes, pertaining to the Olympic Training Center in Spain, were randomized to two groups (2G = 760 or 3G = 1140 mg of n-3 FA in Omegafort OKids, Ferrer Intl...
2017: Journal of Lipids
https://www.readbyqxmd.com/read/28651700/erythrocyte-omega-3-fatty-acids-are-inversely-associated-with-incident-dementia-secondary-analyses-of-longitudinal-data-from-the-women-s-health-initiative-memory-study-whims
#9
Eric M Ammann, James V Pottala, Jennifer G Robinson, Mark A Espeland, William S Harris
OBJECTIVE: To assess whether red blood cell (RBC) docosahexaenoic acid and eicosapentaenoic acid (DHA+EPA) levels have a protective association with the risk of dementia in older women. METHODS: RBC DHA+EPA levels were assessed at baseline, and cognitive status was evaluated annually in a cohort of 6706 women aged ≥65 years who participated in the Women's Health Initiative Memory Study (WHIMS). Cox regression was used to quantify the association between RBC DHA+EPA and the risk of probable dementia, independent of major dementia risk factors...
June 2017: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/28648567/eicosapentaenoic-and-docosahexaenoic-acids-have-different-effects-on-peripheral-phospholipase-a2-gene-expressions-in-acute-depressed-patients
#10
Kuan-Pin Su, Hui-Ting Yang, Jane Pei-Chen Chang, Yin-Hua Shih, Ta-Wei Guu, Satyanarayanan Senthil Kumaran, Piotr Gałecki, Anna Walczewska, Carmine M Pariante
INTRODUCTION: Omega-3 polyunsaturated fatty acids (PUFAs) have been proven critical in the development and management of major depressive disorder (MDD) by a number of epidemiological, clinical and preclinical studies, but the molecular mechanisms underlying this therapeutic action are yet to be understood. Although eicosapentaenoic acid (EPA) seems to be the active component of omega-3 PUFAs' antidepressant effects, the biological research about the difference of specific genetic regulations between EPA and docosahexaenoic acid (DHA), the two main components of omega-3 PUFAs, is still lacking in human subjects...
June 22, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28646239/intake-of-omega-3-fatty-acids-contributes-to-bone-mineral-density-at-the-hip-in-a-younger-japanese-female-population
#11
T Kuroda, H Ohta, Y Onoe, N Tsugawa, M Shiraki
This study investigated the relationships between intakes of polyunsaturated fatty acids, omega-3 fatty acids, and omega-6 fatty acids and bone mineral density in Japanese women aged 19 to 25 years. Intakes of omega-3 fatty acids (n-3) were positively associated with peak bone mass at the hip. INTRODUCTION: Lifestyle factors such as physical activity and nutrition intake are known to optimize the peak bone mass (PBM). Recently, intake of polyunsaturated fatty acids (PUFAs) has been reported to contribute to bone metabolism...
June 23, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28640223/non-targeted-metabolomics-analysis-of-the-effects-of-tyrosine-kinase-inhibitors-sunitinib-and-erlotinib-on-heart-muscle-liver-and-serum-metabolism-in-vivo
#12
Brian C Jensen, Traci L Parry, Wei Huang, Amro Ilaiwy, James R Bain, Michael J Muehlbauer, Sara K O'Neal, Cam Patterson, Gary L Johnson, Monte S Willis
Background: More than 90 tyrosine kinases have been implicated in the pathogenesis of malignant transformation and tumor angiogenesis. Tyrosine kinase inhibitors (TKIs) have emerged as effective therapies in treating cancer by exploiting this kinase dependency. The TKI erlotinib targets the epidermal growth factor receptor (EGFR), whereas sunitinib targets primarily vascular endothelial growth factor receptor (VEGFR) and platelet-derived growth factor receptor (PDGFR).TKIs that impact the function of non-malignant cells and have on- and off-target toxicities, including cardiotoxicities...
June 22, 2017: Metabolites
https://www.readbyqxmd.com/read/28629180/bioavailability-of-dietary-omega-3-fatty-acids-added-to-a-variety-of-sausages-in-healthy-individuals
#13
Anton Köhler, Johanna Heinrich, Clemens von Schacky
A low Omega-3 Index (eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) in erythrocytes) is associated with cardiac, cerebral, and other health issues. Intake of EPA and DHA, but not of alpha-linolenic acid (ALA), increases the Omega-3 Index. We investigated bioavailability, safety, palatability and tolerability of EPA and DHA in a novel source: a variety of sausages. We screened 96 healthy volunteers, and recruited 44 with an Omega-3 Index <5%. Participants were randomly assigned to receive a variety of sausages enriched with approximately 250 mg EPA and DHA per 80 g (n = 22) daily for 8 weeks, or matching placebo sausages (n = 22)...
June 19, 2017: Nutrients
https://www.readbyqxmd.com/read/28625107/associations-between-omega-3-fatty-acids-and-25-oh-d-and-psychological-distress-among-inuit-in-canada
#14
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/28599665/omega-3-supplementation-on-inflammatory-markers-in-patients-with-chronic-chagas-cardiomyopathy-a-randomized-clinical-study
#15
Paula Simplício da Silva, Mauro Felippe Felix Mediano, Gilberto Marcelo Sperandio da Silva, Patricia Dias de Brito, Claudia Santos de Aguiar Cardoso, Cristiane Fonseca de Almeida, Luiz Henrique Conde Sangenis, Roberta Olmo Pinheiro, Alejandro Marcel Hasslocher-Moreno, Pedro Emmanuel Alvarenga Americano do Brasil, Andrea Silvestre de Sousa
BACKGROUND: Several studies have been focusing on the effect of omega-3 polyunsaturated fatty acids on modulation of inflammatory markers in several cardiopathies. Although immunoregulatory dysfunction has been associated to the chronic cardiac involvement in Chagas disease, there is no study examining the effects of omega-3 supplementation in these patients. We investigated the effects of omega-3 PUFAs on markers of inflammation and lipid profile in chronic Chagas cardiomyopathy patients...
June 9, 2017: Nutrition Journal
https://www.readbyqxmd.com/read/28599630/omega-3-supplementation-from-pregnancy-to-postpartum-to-prevent-depressive-symptoms-a-randomized-placebo-controlled-trial
#16
Juliana Dos Santos Vaz, Dayana Rodrigues Farias, Amanda Rodrigues Amorim Adegboye, Antonio Egidio Nardi, Gilberto Kac
BACKGROUND: Low n-3 polyunsaturated fatty acids (PUFAs) has been linked to depression, but the preventive effect of n-3PUFAs supplementation on maternal depression needs further investigation. We aimed to evaluate the efficacy of a daily dose of n-3 PUFAs supplementation (fish oil) on the prevention of postpartum depression (PPD). METHODS: A randomized, placebo-controlled, double blind trial was designed and nested into a cohort study conducted in Rio de Janeiro, Brazil...
June 9, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28597973/safety-tolerability-and-pharmacokinetics-of-single-and-multiple-oral-doses-of-an-omega-3-carboxylic-acid-formulation-in-healthy-male-japanese-subjects-a-phase-1-single-blind-randomized-placebo-controlled-trial
#17
Yoshinori Noda, Catarina Nilsson, Hitoshi Shimada, Hyosung Kim, Torbjörn Lundström, Toshitaka Yajima
OM3-CA (omega-3-carboxylic acids) is a complex mixture of omega-3 carboxylic acids, particularly eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), which is approved in the United States for the treatment of hypertriglyceridemia. As part of its clinical development in Japan, we performed a phase 1 study to investigate the safety, tolerability, and pharmacokinetics after single and multiple doses of OM3-CA in healthy male Japanese subjects. Eighteen Japanese subjects were allocated to receive 2 or 4 g/day OM3-CA, or placebo (n = 6 per group)...
June 9, 2017: Clinical Pharmacology in Drug Development
https://www.readbyqxmd.com/read/28585855/our-great-forgotten-chronic-respiratory-sufferers
#18
María Luisa Bordejé Laguna
Lung’s own properties make that nutritional support, besides covering the requirements can modulate its infl ammatory response. Lung tissue has a low glucose stock. Fatty acids are the main energy producer of type II pneumocytes, which use them in order to form phospholipids, essential for surfactant whose creation and release decrease in acute lung injury (ALI). Glutamine is a good substratum for endocrine cells and type II pneumocytes. Due to high nutritional risk, it is important its assessments in disorders as COPD and acute respiratory distress syndrome (ADRS)...
May 8, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/28583889/a-diet-rich-in-omega-3-fatty-acids-enhances-expression-of-soluble-epoxide-hydrolase-in-murine-brain
#19
Annika Irmgard Ostermann, Martina Reutzel, Nicole Hartung, Nicole Franke, Laura Kutzner, Kirsten Schoenfeld, Karsten-Henrich Weylandt, Gunter Peter Eckert, Nils Helge Schebb
Several studies suggest that intake of omega-3 polyunsaturated fatty acids (n3-PUFA) beneficially influences cognitive function. However, effects on the adult brain are not clear. Little is known about the impact of dietary intervention on the fatty acid profile in adult brain, the modulation in the expression of enzymes involved in fatty acid biosynthesis and metabolism as well as changes in resulting oxylipins. These questions were addressed in the present study in two independent n3-PUFA feeding experiments in mice...
June 3, 2017: Prostaglandins & Other Lipid Mediators
https://www.readbyqxmd.com/read/28558948/ultrasonic-assisted-incorporation-of-nano-encapsulated-omega-3-fatty-acids-to-enhance-the-fatty-acid-profile-of-pork-meat
#20
K Shikha Ojha, Camila A Perussello, Carlos Álvarez García, Joseph P Kerry, Daniel Pando, Brijesh K Tiwari
In this study, ultrasound was employed to enhance the diffusion of microencapsulated fatty acids into pork meat. Nanovesicles of fish oil composed of 42% EPA (eicosapentanoic acid) and 16% DHA (docosahexanoic acid) were prepared using two different commercial Pronanosome preparations (Lipo-N and Lipo-CAT; which yield cationic and non-cationic nanovesicles, respectively). The thin film hydration (TFH) methodology was employed for encapsulation. Pork meat (Musculus semitendinosus) was submerged in the nanovesicles suspension and subjected to ultrasound (US) treatment at 25kHz for either 30 or 60min...
May 5, 2017: Meat Science
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