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Omega fatty acids

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https://www.readbyqxmd.com/read/28805896/the-composition-of-dietary-fat-alters-the-transcriptional-profile-of-pathways-associated-with-lipid-metabolism-in-the-liver-and-adipose-tissue-in-the-pig
#1
T A Kellner, N K Gabler, J F Patience
The objective was to investigate the of effect chemical composition of dietary fat on transcription of genes involved in lipid metabolism in adipose tissue and the liver via transcriptional profiling in growing pigs. A total of 48 Genetiporc 6.0 × Genetiporc F25 (PIC, Inc., Hendersonville, TN) barrows (initial BW of 44.1 ± 1.2 kg) were randomly allotted to 1 of 6 dietary treatments. Each experimental diet included 95% of a corn-soybean meal basal diet and 5% cornstarch (control; CNTR), animal-vegetable blend (AV), coconut oil (COCO), corn oil (COIL), fish oil (FO), or tallow (TAL)...
August 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28805683/analysis-and-comparison-of-the-antioxidant-component-of-portulaca-oleracea-leaves-obtained-by-different-solid-liquid-extraction-techniques
#2
Monica Gallo, Esterina Conte, Daniele Naviglio
Portulaca oleracea is a wild plant pest of orchards and gardens, but is also an edible vegetable rich in beneficial nutrients. It possesses many antioxidant properties due to the high content of vitamins, minerals, omega-3 essential fatty acids and other healthful compounds; therefore, the intake of purslane and/or its bioactive compounds could help to improve the health and function of the whole human organism. Accordingly, in this work it was analyzed and compared to the extractive capacity of the antioxidant component of purslane leaves obtained by solid-liquid extraction techniques such as: hot-maceration, maceration with ultrasound, rapid solid-liquid dynamic extraction using the Naviglio extractor, and a combination of two techniques (mix extraction)...
August 12, 2017: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28804463/effect-of-oral-docosahexaenoic-acid-dha-supplementation-on-dha-levels-and-omega-3-index-in-red-blood-cell-membranes-of-breast-cancer-patients
#3
Alessio Molfino, Maria I Amabile, Sara Mazzucco, Gianni Biolo, Alessio Farcomeni, Cesarina Ramaccini, Simonetta Antonaroli, Massimo Monti, Maurizio Muscaritoli
Rationale: Docosahexaenoic acid (DHA) in cell membrane may influence breast cancer (BC) patients' prognosis, affecting tumor cells sensitivity to chemo- and radio-therapy and likely modulating inflammation. The possibility of identifying BC patients presenting with low DHA levels and/or low ability of DHA incorporation into cell membrane might help to treat this condition. Methods: We enrolled BC patients and healthy controls, recording their seafood dietary intake. DHA in form of algal oil was administered for 10 consecutive days (2 g/day)...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28803993/nanoemulsion-formulation-of-a-novel-taxoid-dha-sbt-1214-inhibits-prostate-cancer-stem-cell-induced-tumor-growth
#4
Gulzar Ahmad, Rana El Sadda, Galina Botchkina, Iwao Ojima, James Egan, Mansoor Amiji
The main aim of this study was to evaluate the therapeutic efficacy of an oil-in-water nanoemulsion formulation encapsulating DHA-SBT-1214, a novel omega-3 fatty acid conjugated taxoid prodrug, against prostate cancer stem cells. Nanoemulsions of DHA-SBT-1214 (NE-DHA-SBT-1214) were prepared and characterized. In vitro delivery efficiency and cytotoxicity of NE-DHA-SBT-1214 was compared with solution formulation in PPT2 cells. In vivo studies included analysis of comparative efficacy of NE-DHA-SBT-1214 with Abraxane® and placebo nanoemulsions as well as post-treatment alternations in clonogenic and sphere-forming capabilities of the tumor cells...
August 10, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28802571/omega-3-polyunsaturated-fatty-acids-improve-endothelial-function-in-humans-at-risk-for-atherosclerosis-a-review
#5
REVIEW
Kayla R Zehr, Mary K Walker
Epidemiology studies and clinical trials show that omega-3 polyunsaturated fatty acids (n-3 PUFAs) can prevent atherosclerotic morbidity and evidence suggests this may be mediated by improving endothelial dysfunction. Endothelial dysfunction is characterized by reduced vasodilation and a pro-inflammatory, pro-thrombotic state, and is an early pathological event in the development of atherosclerosis. Flow-mediated dilation (FMD), a gold standard for assessing endothelial dysfunction, is a predictor of future cardiovascular events and coronary heart disease risk...
August 9, 2017: Prostaglandins & Other Lipid Mediators
https://www.readbyqxmd.com/read/28802305/fish-long-chain-omega-3-polyunsaturated-fatty-acids-consumption-and-risk-of-all-cause-mortality-a-systematic-review-and-dose-response-meta-analysis-from-23-independent-prospective-cohort-studies
#6
Yi Wan, Jusheng Zheng, Fenglei Wang, Duo Li
BACKGROUND AND OBJECTIVES: The consumption of fish and long chain omega-3 polyunsaturated fatty acids (n-3 PUFA) may influence the risk of all-cause mortality, but the findings have been inconsistent. The current systematic review and meta-analysis is to clarify the association between fish and long chain n-3 PUFA consumption with risk of all-cause mortality. METHODS AND STUDY DESIGN: Studies published before March 2017 were identified through electronic searches using PubMed, Scopus and Web of Science database...
2017: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28800114/fatty-acid-profile-is-modulated-by-dietary-resveratrol-in-rainbow-trout-oncorhynchus-mykiss
#7
Claudia Torno, Stefanie Staats, Sonia de Pascual-Teresa, Gerald Rimbach, Carsten Schulz
To produce fish of a high quality that are rich in omega-3 fatty acids (n-3 FA) and simultaneously generate more sustainable aquaculture, the combined use of phytochemicals and vegetable oils in fish feed seems to be a promising approach. Resveratrol (RV) potentially induces endogenous fatty acid synthesis, resulting in elevated n-3 FA levels in fish. RV putatively influences ∆6-desaturase, the key enzyme in FA metabolism, and serves as a ligand for PPARα, a transcription factor regulating β-oxidation. Rainbow trout (36...
August 11, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28800093/omega-3-fatty-acids-and-cardiovascular-disease-summary-of-the-2016-agency-of-healthcare-research-and-quality-evidence-review
#8
REVIEW
Ethan M Balk, Alice H Lichtenstein
We summarize the 2016 update of the 2004 Agency of Healthcare Research and Quality's evidence review of omega-3 fatty acids and cardiovascular disease (CVD). The overall findings for the effects of marine oil supplements on intermediate CVD outcomes remain largely unchanged. There is high strength of evidence, based on numerous trials, of no significant effects of marine oils on systolic or diastolic blood pressures, but there are small, yet statistically significant increases in high density lipoprotein and low density lipoprotein cholesterol concentrations...
August 11, 2017: Nutrients
https://www.readbyqxmd.com/read/28798916/risk-benefit-assessment-of-monomethylmercury-and-omega-3-fatty-acid-intake-for-ringed-seal-consumption-with-particular-emphasis-on-vulnerable-populations-in-the-western-canadian-arctic
#9
Lena Gmelch, Holger Hintelmann, Brendan Hickie, Hermine Kienberger, Gary Stern, Michael Rychlik
Many northern Inuit communities rely on traditional food as major source of nourishment. An essential part of the traditional Arctic diet is marine mammals such as ringed seals or beluga. Being top predators, these animals are often highly contaminated with various toxins. In contrast, some tissues of marine mammals are also characterized by high amounts of n3-PUFAs (omega-3 polyunsaturated fatty acids). Here, we try to balance the risks associated with the consumption of different tissue types of ringed seals in terms of the neurotoxin monomethylmercury (MMHg) with the benefits of consumption due to high n3-PUFA concentrations...
2017: Frontiers in Nutrition
https://www.readbyqxmd.com/read/28797931/changes-in-the-gut-microbial-communities-following-addition-of-walnuts-to-the-diet
#10
Lauri O Byerley, Derrick Samuelson, Eugene Blanchard, Meng Luo, Brittany N Lorenzen, Shelia Banks, Monica A Ponder, David A Welsh, Christopher M Taylor
Walnuts are rich in omega-3 fatty acids, phytochemicals and antioxidants making them unique compared to other foods. Consuming walnuts has been associated with health benefits including a reduced risk of heart disease and cancer. Dysbiosis of the gut microbiome has been linked to several chronic diseases. One potential mechanism by which walnuts may exert their health benefit is through modifying the gut microbiome. This study identified the changes in the gut microbial communities that occur following the inclusion of walnuts in the diet...
July 9, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28797250/omega-3-fatty-acids-eicosapentaenoic-acid-and-docosahexaenoic-acid-and-their-mechanisms-of-action-on-apolipoprotein-b-containing-lipoproteins-in-humans-a-review
#11
REVIEW
Jan Oscarsson, Eva Hurt-Camejo
BACKGROUND: Epidemiological and genetic studies suggest that elevated triglyceride (TG)-rich lipoprotein levels in the circulation increase the risk of cardiovascular disease. Prescription formulations of omega-3 fatty acids (OM3FAs), mainly eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), reduce plasma TG levels and are approved for the treatment of patients with severe hypertriglyceridemia. Many preclinical studies have investigated the TG-lowering mechanisms of action of OM3FAs, but less is known from clinical studies...
August 10, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28795443/effect-of-conjugated-linoleic-acids-and-omega-3-fatty-acids-with-or-without-resistance-training-on-muscle-mass-in-high-fat-diet-fed-middle-aged-mice
#12
Sang-Rok Lee, Andy V Khamoui, Edward Jo, Michael C Zourdos, Lynn B Panton, Michael J Ormsbee, Jeong-Su Kim
This study investigated the effects of 20 weeks of combined conjugated linoleic acid/omega-3 fatty acid (n-3) administration independently or combined with resistance exercise training (RET) muscle in middle-aged mice consuming a high-fat diet (HFD). Nine-month-old C57BL/6 mice were randomly assigned into four experimental groups (H: high-fat diet, HE: H + RET, HCN: H + CLA/n-3, and HECN: H + CLA/n3 + RET). Body composition and functional capacity were assessed at pre- and post-intervention. Muscle tissues were collected at 14 months of age...
August 10, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28795301/organotypic-cultures-from-the-adult-cns-a-novel-model-to-study-demyelination-and-remyelination-ex-vivo
#13
Glaiza A Tan, Kendra L Furber, Merlin P Thangaraj, LaRhonda Sobchishin, J Ronald Doucette, Adil J Nazarali
Experimental models of multiple sclerosis (MS) have significantly advanced our understanding of pathophysiology and therapeutic interventions. Although in vivo rodent models are considered to most closely represent the complex cellular and molecular disease states of the human central nervous system (CNS), these can be costly to maintain and require long timelines. Organotypic slice cultures maintain the cytotypic organization observed in the intact CNS, yet provide many of the experimental advantages of in vitro cell culture models...
August 9, 2017: Cellular and Molecular Neurobiology
https://www.readbyqxmd.com/read/28793994/dietary-fatty-acid-intake-after-myocardial-infarction-a-theoretical-substitution-analysis-of-the-alpha-omega-cohort
#14
Famke Jm Mölenberg, Janette de Goede, Anne J Wanders, Peter L Zock, Daan Kromhout, Johanna M Geleijnse
Background: Replacement of saturated fatty acids (SFAs) with unsaturated fatty acids (UFAs), especially polyunsaturated fatty acids (PUFAs), has been associated with a lower risk of ischemic heart disease (IHD). Whether this replacement is beneficial for drug-treated patients with cardiac disease is not yet clear.Objective: In a prospective study of Dutch patients with cardiac disease (Alpha Omega Cohort), we examined the risk of cardiovascular disease (CVD) and IHD mortality when the sum of SFAs and trans fatty acids (TFAs) was theoretically replaced by total UFAs, PUFAs, or cis monounsaturated fatty acids (MUFAs)...
August 9, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28793863/cardiovascular-risk-and-dyslipidemia-among-persons-living-with-hiv-a-review
#15
REVIEW
Paolo Maggi, Antonio Di Biagio, Stefano Rusconi, Stefania Cicalini, Maurizio D'Abbraccio, Gabriella d'Ettorre, Canio Martinelli, Giuseppe Nunnari, Laura Sighinolfi, Vincenzo Spagnuolo, Nicola Squillace
BACKGROUND: Aim of this review is to focus the attention on people living with HIV infection at risk of developing a cardiovascular event. What is or what would be the most suitable antiretroviral therapy? Which statin or fibrate to reduce the risk? How to influence behavior and lifestyles? DISCUSSION: Prevention of cardiovascular disease (CVD) risk remains the first and essential step in a medical intervention on these patients. The lifestyle modification, including smoking cessation, increased physical activity, weight reduction, and the education on healthy dietary practices are the main instruments...
August 9, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28793080/effectiveness-of-n-3-fatty-acids-in-the-treatment-of-hypertriglyceridemia-in-hiv-aids-patients-a-meta-analysis
#16
Aline Doria Sobral Vieira, Glória Regina Mesquita da Silveira
Hypertriglyceridemia is common in antiretroviral therapy-treated patients and Omega 3 fatty acids are being used as a intervention in reducing serum triglycerides (TG) in these patients. The objective of this study is to evaluate the effectiveness of the use of Omega 3 in the treatment of hypertriglyceridemia in HIV/AIDS patients on antiretroviral therapy. This study is a systematic review with meta-analysis of randomized clinical trials. Electronic databases - PubMed, Cochrane and Lilacs were researched. Fifty one articles were encountered...
August 2017: Ciência & Saúde Coletiva
https://www.readbyqxmd.com/read/28791297/vitamin-d-uptake-in-patients-treated-with-a-high-dosed-purified-omega-3-compound-in-a-randomized-clinical-trial-following-an-acute-myocardial-infarction
#17
Patrycja A Naesgaard, Heidi Grundt, Arne F Nordøy, Harry Staines, Dennis W T Nilsen
BACKGROUND: Fish is the natural dietary source of vitamin D. Reports on the influence of purified omega-3 fatty acids on its uptake are scarce. OBJECTIVES: We investigated the impact of a purified high-dose omega-3 compound compared to corn oil on 25-hydroxyvitamin D [25(OH)D] levels following an acute myocardial infarction. METHODS: 228 patients were randomized 1:1 to receive a daily dose of either 4 g omega-3 (OMACOR(®)) or an equal dose of corn oil, administered double-blindly for 12 months...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28783061/impact-of-biological-feedback-and-incentives-on-blood-fatty-acid-concentrations-including-omega-3-index-in-an-employer-based-wellness-program
#18
Michael I McBurney, Julia K Bird
Eicosapentaenoic acid (EPA, C20:5n-3) and docosahexaenoic acid (DHA, C22:6n-3) are important fatty acids for the retina and brain. More than 95% of Americans have suboptimal EPA + DHA blood concentrations. This cross-sectional employer-based study assessed whole blood fatty acid levels of volunteers participating in an onsite wellness biometric screening program and was designed to determine if an incentive, a $5 coupon for a 90-day supply of fish oil supplement typically costing $18-30, stimulated incremental dietary behavior change relative to nutritional status assessment alone to increase EPA + DHA concentrations...
August 5, 2017: Nutrients
https://www.readbyqxmd.com/read/28771713/epa-blocks-tnf-%C3%AE-induced-inhibition-of-sugar-uptake-in-caco-2-cells-via-gpr120-and-ampk
#19
Rosa Castilla-Madrigal, Jaione Barrenetxe, María J Moreno-Aliaga, María Pilar Lostao
The aim of the present work was to investigate in Caco-2 cells whether eicosapentaenoic acid (EPA), an omega-3 polyunsaturated fatty acid, could block the inhibitory effect of tumor necrosis factor-α (TNF-α) on sugar transport, and identify the intracellular signaling pathways involved. After pre-incubation of the Caco-2 cells with TNF-α and EPA for 1 h, EPA prevented the inhibitory effect of the cytokine on α-methyl-D-glucose (αMG) uptake (15 min) and on SGLT1 expression at the brush border membrane, measured by Western blot...
August 3, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28770178/chemopreventive-and-chemotherapeutic-effects-of-fish-oil-derived-omega-3-polyunsaturated-fatty-acids-on-colon-carcinogenesis
#20
REVIEW
Ja Young Lee, Tae-Bu Sim, Jeong-Eun Lee, Hye-Kyung Na
Colorectal cancer is the third most common cause of cancer related death in the world. Multiple lines of evidence suggest that there is an association between consumption of dietary fat and colon cancer risk. Not only the amount but also the type and the ratio of fatty acids comprising dietary fats consumed have been implicated in the etiology and pathogenesis of colon cancer. Omega-3 (n-3) polyunsaturated fatty acids (PUFAs), such as docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA), have been known to inhibit development of colon cancer by downregulating the expression of genes involved in colon carcinogenesis and also by altering the membrane lipid composition...
July 2017: Clinical Nutrition Research
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