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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/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
#2
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/28756366/structure-of-unsaturated-fatty-acids-in-2d-system
#3
J L Fidalgo Rodríguez, P Dynarowicz-Latka, J Miñones Conde
The behaviour of Langmuir monolayers corresponding to unsaturated fatty acids belonging to the omega-9 (oleic acid), omega-3 (α-linolenic and stearidonic acids) and omega-6 (linoleic, γ-linolenic and eicosadienoic acids) series was studied in order to get insight into the influence of various factors (such as subphase temperature, length, degree of unsaturation and position of the double bonds in the aliphatic chains) on the molecular conformation of these fatty acids spread at the A/W interface. The obtained results derived from the surface pressure - area isotherms, compressibility modulus and monolayer thickness prove that the lift-off and the limiting areas of investigated films increase both with the number of double bonds and length of the hydrocarbon chain...
July 13, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28754005/can-early-omega-3-fatty-acid-exposure-reduce-risk-of-childhood-allergic-disease
#4
REVIEW
Elizabeth A Miles, Philip C Calder
A causal link between increased intake of omega-6 (n-6) polyunsaturated fatty acids (PUFAs) and increased incidence of allergic disease has been suggested. This is supported by biologically plausible mechanisms, related to the roles of eicosanoid mediators produced from the n-6 PUFA arachidonic acid. Fish and fish oils are sources of long chain omega-3 (n-3) PUFAs. These fatty acids act to oppose the actions of n-6 PUFAs particularly with regard to eicosanoid synthesis. Thus, n-3 PUFAs may protect against allergic sensitisation and allergic manifestations...
July 21, 2017: Nutrients
https://www.readbyqxmd.com/read/28752333/significance-of-long-chain-polyunsaturated-fatty-acids-in-human-health
#5
REVIEW
Rafael Zárate, Nabil El Jaber-Vazdekis, Noemi Tejera, José A Pérez, Covadonga Rodríguez
In the last decades, the development of new technologies applied to lipidomics has revitalized the analysis of lipid profile alterations and the understanding of the underlying molecular mechanisms of lipid metabolism, together with their involvement in the occurrence of human disease. Of particular interest is the study of omega-3 and omega-6 long chain polyunsaturated fatty acids (LC-PUFAs), notably EPA (eicosapentaenoic acid, 20:5n-3), DHA (docosahexaenoic acid, 22:6n-3), and ARA (arachidonic acid, 20:4n-6), and their transformation into bioactive lipid mediators...
December 2017: Clinical and Translational Medicine
https://www.readbyqxmd.com/read/28747792/tailoring-seed-oil-composition-in-the-real-world-optimising-omega-3-long-chain-polyunsaturated-fatty-acid-accumulation-in-transgenic-camelina-sativa
#6
Sarah Usher, Lihua Han, Richard P Haslam, Louise V Michaelson, Drew Sturtevant, Mina Aziz, Kent D Chapman, Olga Sayanova, Johnathan A Napier
There is considerable interest in the de novo production of omega-3 long chain polyunsaturated fatty acids such as eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), not least of all given the importance of these fatty acids in both aquaculture and human nutrition. Previously we have demonstrated the feasibility of using metabolic engineering in transgenic plants (Camelina sativa) to modify the seed oil composition to now include EPA and/or DHA. In this study, we further tailored the seed oil profile to reduce the omega-6 content, and evaluated the performance of such GM plants under field conditions (i...
July 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28730165/plasma-free-fatty-acids-in-hyperemesis-gravidarum-pregnancy
#7
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/28706189/vertical-sleeve-gastrectomy-reverses-diet-induced-gene-regulatory-changes-impacting-lipid-metabolism
#8
Juan Du, Jingyan Tian, Lili Ding, Candi Trac, Brian Xia, Siming Sun, Dustin E Schones, Wendong Huang
Vertical sleeve gastrectomy (VSG) produces sustainable weight loss, remission of type 2 diabetes (T2D), and improvement of nonalcoholic fatty liver disease (NAFLD). However, the molecular mechanisms underlying the metabolic benefits of VSG have remained elusive. According to our previous results, diet-induced obesity induces epigenetic modifications to chromatin in mouse liver. We demonstrate here that VSG in C57BL/6J wild-type male mice can reverse these chromatin modifications and thereby impact the expression of key metabolic genes...
July 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28699199/omega-6-polyunsaturated-fatty-acids-serum-zinc-delta-5-and-delta-6-desaturase-activities-and-incident-metabolic-syndrome
#9
T Yary, S Voutilainen, T-P Tuomainen, A Ruusunen, T Nurmi, J K Virtanen
BACKGROUND: The associations of n-6 polyunsaturated fatty acids (PUFA) with metabolic syndrome have been poorly explored. We investigated the associations of the serum n-6 PUFA and the activities of enzymes involved in the PUFA metabolism, delta-5-desaturase (D5D) and delta-6-desaturase (D6D) with risk of incident metabolic syndrome. We also investigated whether zinc, a cofactor for these enzymes, modifies these associations. METHODS: A prospective follow-up study was conducted on 661 men who were aged 42-60 years old at baseline in 1984-1989 and who were re-examined in 1998-2001...
August 2017: Journal of Human Nutrition and Dietetics: the Official Journal of the British Dietetic Association
https://www.readbyqxmd.com/read/28690672/emulsified-omega-3-fatty-acids-modulate-the-symptoms-of-depressive-disorder-in-children-and-adolescents-a-pilot-study
#10
Jana Trebatická, Zuzana Hradečná, František Böhmer, Magdaléna Vaváková, Iveta Waczulíková, Iveta Garaiova, Ján Luha, Igor Škodáček, Ján Šuba, Zdeňka Ďuračková
BACKGROUND: The prevalence of mood disorders in children is a growing global concern. Omega-3 fatty acids (FA) are emerging as a promising adjuvant therapy for depressive disorder (DD) in paediatric patients. The primary objective of this pilot, single-centre, randomized, double-blind controlled study was to compare the efficacy of an Omega-3 FA fish oil emulsion with a control oil emulsion alongside standard treatment for depressive symptoms in children and adolescents suffering from depressive disorder (DD) and mixed anxiety depressive disorder (MADD)...
2017: Child and Adolescent Psychiatry and Mental Health
https://www.readbyqxmd.com/read/28688796/fatty-acid-based-lipidomics-and-membrane-remodeling-induced-by-apoe3-and-apoe4-in-human-neuroblastoma-cells
#11
Paraskevi Prasinou, Ioannis Dafnis, Giorgia Giacometti, Carla Ferreri, Angeliki Chroni, Chryssostomos Chatgilialoglu
Apolipoprotein E (apoE) is a major lipid carrier of the lipoprotein transport system that plays critical roles in various pathologies. Human apoE has three common isoforms, the apoE4 being associated with Alzheimer's disease. This is the first study in the literature investigating the effects of apoE (apoE3 and apoE4 isoforms) on membrane fatty acid profile in neuroblastoma SK-N-SH cells. Fatty acid analyses were carried out by gas chromatography of the corresponding methyl esters (FAME). We observed the occurrence of membrane fatty acid remodeling in the presence of each of the two apoE isoforms...
July 6, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28687939/effects-of-different-fat-sources-saturated-and-unsaturated-on-reproductive-performance-and-biological-indices-of-ewes-during-flushing-period
#12
Amir Hossein Asgari Safdar, Ali Asghar Sadeghi, Mohammad Chamani
This study was conducted to evaluate the effect of feeding different sources of fat during flushing period on the reproductive performance, lambing percent, and twin numbers of Afshari ewes. A total of 84 ewes (mean weight 48 ± 3 kg; age: 3-4 years) were divided into seven groups of 12 animals and received flushing-specific rations for 5 weeks. The control group just received a basic ration (non-flushing). Lipid sources were calcium salt of palm oil (CaP), pure palm oil (PO), calcium salt of flaxseed (CaFL), calcium salt of sunflower oil (CaSF), flaxseed oil (FLO), and sunflower oil (SFO)...
July 7, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28686542/polyunsaturated-fatty-acids-and-endocannabinoids-in-health-and-disease
#13
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/28686292/microencapsulation-of-borage-oil-with-blends-of-milk-protein-%C3%AE-glucan-and-maltodextrin-through-spray-drying-physicochemical-characteristics-and-stability-of-the-microcapsules
#14
Ru-Yi Li, Yan Shi
BACKGROUND: Borage oil is a rich commercial source of gamma-linolenic acid (GLA, 18:3n-6). However, borage oil is rich in omega-6 polyunsaturated fatty acids and vulnerable to oxidation. Thus, selecting of appropriate wall materials is critical to the encapsulation of borage oil. This study investigated the influence of wall materials on the physicochemical characteristics and stability of microencapsulated borage oil by spray drying. Blends of milk protein [sodium caseinate (CAS) or whey protein concentrate (WPC)], β-glucan (GLU) and maltodextrin (MD) were used as the wall materials for encapsulating borage oil...
July 7, 2017: Journal of the Science of Food and Agriculture
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
#15
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/28656110/erythrocyte-omega-3-fatty-acid-content-in-elite-athletes-in-response-to-omega-3-supplementation-a-dose-response-pilot-study
#16
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/28647413/omega-6-fatty-acids-opposing-associations-with-risk-the-ludwigshafen-risk-and-cardiovascular-health-study
#17
Graciela E Delgado, Winfried März, Stefan Lorkowski, Clemens von Schacky, Marcus E Kleber
BACKGROUND: Omega-6 polyunsaturated fatty acids (omega-6 PUFA) are recommended in European cardiovascular prevention guidelines. However, individual fatty acids have distinct biological functions, and there have been conflicting reports about the association of omega-6 PUFA with cardiovascular risk. OBJECTIVE: The aim of our study was to investigate the association of individual omega-6 fatty acids with mortality in a cohort of patients referred for coronary angiography...
June 1, 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/28646829/chia-seeds-salvia-hispanica-health-promoting-properties-and-therapeutic-applications-%C3%A2-a-review
#18
Katarzyna Marcinek, Zbigniew Krejpcio
Chia has been known for over 5,500 years. Chia seeds were one of the most important components of the diet of Mayas and Aztecs. The chemical composition and technological properties of chia give the plant a high nutritional potential. Chia is a good source of polyunsaturated fatty acids: omega-3 and omega-6, soluble dietary fiber. It also contains appreciable amount of proteins and phytochemicals. Nutritional value of chia is the reason why it is used in prophylaxis of several non-infectious diseases such as obesity, hypertension, cardiovascular diseases (CVDs), cancer and diabetes...
2017: Roczniki Państwowego Zakładu Higieny
https://www.readbyqxmd.com/read/28646265/omega-3-and-omega-6-fatty-acids-act-as-inhibitors-of-the-matrix-metalloproteinase-2-and-matrix-metalloproteinase-9-activity
#19
Eleonora Nicolai, Federica Sinibaldi, Gianpaolo Sannino, Giuseppina Laganà, Francesco Basoli, Silvia Licoccia, Paola Cozza, Roberto Santucci, Maria Cristina Piro
Polyunsaturated fatty acids have been reported to play a protective role in a wide range of diseases characterized by an increased metalloproteinases (MMPs) activity. The recent finding that omega-3 and omega-6 fatty acids exert an anti-inflammatory effect in periodontal diseases has stimulated the present study, designed to determine whether such properties derive from a direct inhibitory action of these compounds on the activity of MMPs. To this issue, we investigated the effect exerted by omega-3 and omega-6 fatty acids on the activity of MMP-2 and MMP-9, two enzymes that actively participate to the destruction of the organic matrix of dentin following demineralization operated by bacteria acids...
August 2017: Protein Journal
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
#20
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
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