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Fish oil and inflammation

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https://www.readbyqxmd.com/read/29413488/marine-fish-oil-is-more-potent-than-plant-based-n-3-polyunsaturated-fatty-acids-in-the-prevention-of-mammary-tumors
#1
Jiajie Liu, Salma A Abdelmagid, Christopher J Pinelli, Jennifer M Monk, Danyelle M Liddle, Lyn M Hillyer, Barbora Hucik, Anjali Silva, Sanjeena Subedi, Geoffrey A Wood, Lindsay E Robinson, William J Muller, David W L Ma
Marine-derived n-3 polyunsaturated fatty acids (PUFAs), such as eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), have been shown to inhibit mammary carcinogenesis. However, evidence regarding plant-based α-linolenic acid (ALA), the major n-3 PUFA in the Western diet, remains equivocal. The objective of this study was to examine the effect of lifelong exposure to plant- or marine-derived n-3 PUFAs on pubertal mammary gland and tumor development in MMTV-neu(ndl)-YD5 mice. It is hypothesized that lifelong exposure to n-3 PUFA reduces terminal end buds during puberty leading to delayed tumor onset, volume and multiplicity...
December 27, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29391271/eicosapentaenoic-acid-reduces-fecal-levels-of-calprotectin-and-prevents-relapse-in-patients-with-ulcerative-colitis
#2
Eleonora Scaioli, Alessandro Sartini, Matteo Bellanova, Massimo Campieri, Davide Festi, Franco Bazzoli, Andrea Belluzzi
BACKGROUND & AIMS: High fecal levels of calprotectin indicate mucosal inflammation and have been shown to predict relapse in patients with ulcerative colitis (UC). Eicosapentaenoic acid (EPA), the major component of n-3 fish oil, has anti-inflammatory properties in patients with chronic inflammatory disorders. We performed a placebo-controlled trial of patients with UC at risk of relapse to determine the ability of the free-fatty acid form of EPA (EPA-FFA) to reduce intestinal inflammation, using fecal level of calprotectin as a marker...
January 29, 2018: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29385062/a-randomized-double-blinded-placebo-controlled-trial-investigating-the-effect-of-fish-oil-supplementation-on-gene-expression-related-to-insulin-action-blood-lipids-and-inflammation-in-gestational-diabetes-mellitus-fish-oil-supplementation-and-gestational-diabetes
#3
Mehri Jamilian, Mansooreh Samimi, Naghmeh Mirhosseini, Faraneh Afshar Ebrahimi, Esmat Aghadavod, Mohsen Taghizadeh, Zatollah Asemi
Gestational diabetes mellitus (GDM) is a common complication of pregnancy, and it is mostly associated with postpartum diabetes, insulin resistance, and dyslipidemia. Fish oil (omega-3) supplementation has been shown to reduce the risk of different chronic diseases such as cardiovascular disease, type 2 diabetes, and cancers, though the evidence of its impact on gestational diabetes is scarce. Our goal in this study was to determine the effect of fish oil administration on gene expression related to insulin action, blood lipids, and inflammation in women with GDM...
January 31, 2018: Nutrients
https://www.readbyqxmd.com/read/29382923/effect-of-a-fish-oil-based-lipid-emulsion-on-intestinal-failure-associated-liver-disease-in-children
#4
Tian Zhang, Nan Wang, Weihui Yan, Lina Lu, Yijing Tao, Fang Li, Ying Wang, Wei Cai
BACKGROUND/OBJECTIVES: The aim of this study was to assess the effects of a fish oil-based lipid emulsion on intestinal failure-associated liver disease (IFALD) in children. SUBJECTS/METHODS: From January 2014 through June 2017, we enrolled 32 children with IF on long-term parenteral nutrition (PN). When the levels of any three of seven liver indicators (TBA, alanine transaminase (ALT), aspartate transaminase (AST), alkaline phosphatase, gamma glutamyl transferase (γ-GT), total bilirubin (TB), or direct bilirubin (DB)) were two times higher than normal levels, we switched a 50:50 mix of soybean oil and medium-chain triglycerides (MCT) lipid emulsion (with an average dose of 1...
January 30, 2018: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29359480/the-effects-of-fish-oil-on-gene-expression-in-patients-with-polycystic-ovary-syndrome
#5
Elham Rahmani, Mehri Jamilian, Bahareh Dadpour, Zahra Nezami, Zahra Vahedpoor, Samaneh Mahmoodi, Esmat Aghadavod, Mohsen Taghizadeh, Abolfazl Beiki Hassan, Zatollah Asemi
BACKGROUND: This study was conducted to determine the effects of fish oil administration on gene expression related to insulin, lipid and inflammation in women with polycystic ovary syndrome (PCOS). MATERIALS AND METHODS: This randomized, double-blind, placebo-controlled trial was conducted among 40 subjects with PCOS, aged 18-40 years old. Subjects were randomly allocated into two groups to take either 1000 mg omega-3 fatty acids from fish oil (n=20) or placebo (n=20) twice a day for 12 weeks...
January 23, 2018: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29343310/effect-of-dietary-fish-oil-on-selected-inflammatory-markers-in-pigs
#6
T Komprda, P Ondráčková, M Vícenová, V Rozíková, N Procházková, L Levá, M Faldyna
The present study tested a hypothesis that dietary fish oil (eicosapentaenoic acid+docosahexaenoic acid) in a commonly achievable dose ameliorates a systemic inflammation in pigs. Two groups of pigs of 16 animals each were fed a diet with either 2.5% of fish oil (F) or a control diet with 2.5% of palm oil (P). After 70 days of fattening, eight F and eight P pigs were challenged (F+; P+) i.v. by lipopolysaccharide. After 3 h, all pigs were sacrificed and blood, liver and visceral adipose tissue (VAT) samples were taken...
January 18, 2018: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/29329427/ozone-induced-vascular-contractility-and-pulmonary-injury-are-differentially-impacted-by-diets-enriched-with-coconut-oil-fish-oil-and-olive-oil
#7
Samantha J Snow, Wan-Yun Cheng, Andres Henriquez, Myles Hodge, Virgina Bass, Gail M Nelson, Gleta Carswell, Judy E Richards, Mette C Schladweiler, Allen D Ledbetter, Brian Chorley, Kymberly M Gowdy, Haiyan Tong, Urmila P Kodavanti
Fish, olive, and coconut oil dietary supplementation have several cardioprotective benefits, but it is not established if they protect against air pollution-induced adverse effects. We hypothesized that these dietary supplements would attenuate ozone-induced systemic and pulmonary effects. Male Wistar Kyoto rats were fed either a normal diet, or a diet supplemented with fish, olive, or coconut oil for 8 weeks. Animals were then exposed to air or ozone (0.8 ppm), 4h/day for 2 days. Ozone exposure increased phenylephrine-induced aortic vasocontraction, which was completely abolished in rats fed the fish oil diet...
January 10, 2018: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/29321047/effects-of-concentrated-long-chain-omega-3-polyunsaturated-fatty-acid-supplementation-before-radical-prostatectomy-on-prostate-cancer-proliferation-inflammation-and-quality-of-life-study-protocol-for-a-phase-iib-randomized-double-blind-placebo-controlled-trial
#8
Marie-Hélène Guertin, Karine Robitaille, Jean-François Pelletier, Thierry Duchesne, Pierre Julien, Josée Savard, Isabelle Bairati, Vincent Fradet
BACKGROUND: Prostate cancer is the most commonly diagnosed cancer in north-American men. Few dietary or lifestyle interventions have been tested to prevent prostate cancer progression. Omega-3 fatty acid supplementation represents a promising intervention for prostate cancer patients. The aim of the study is to evaluate the effects of long-chain omega-3 polyunsaturated fatty acids (LCn3), more precisely eicosapentaenoic acid monoacylglyceride (MAG-EPA) supplementation, on prostate cancer proliferation, inflammation mediators and quality of life among men who will undergo radical prostatectomy...
January 10, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29249211/remodelling-of-primary-human-cd4-t-cell-plasma-membrane-order-by-n-3-pufa
#9
Yang-Yi Fan, Natividad R Fuentes, Tim Y Hou, Rola Barhoumi, Xian C Li, Nicolaas E P Deutz, Marielle P K J Engelen, David N McMurray, Robert S Chapkin
Cell membrane fatty acids influence fundamental properties of the plasma membrane, including membrane fluidity, protein functionality, and lipid raft signalling. Evidence suggests that dietary n-3 PUFA may target the plasma membrane of immune cells by altering plasma membrane lipid dynamics, thereby regulating the attenuation of immune cell activation and suppression of inflammation. As lipid-based immunotherapy might be a promising new clinical strategy for the treatment of inflammatory disorders, we conducted in vitro and in vivo experiments to examine the effects of n-3 PUFA on CD4+ T cell membrane order, mitochondrial bioenergetics and lymphoproliferation...
December 18, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/29237497/hyaluronic-acid-is-associated-with-organ-dysfunction-in-acute-respiratory-distress-syndrome
#10
Anthony J Esposito, Pavan K Bhatraju, Renee D Stapleton, Mark M Wurfel, Carmen Mikacenic
BACKGROUND: Hyaluronic acid (HA), an extracellular matrix component, is degraded in response to local tissue injury or stress. In various animal models of lung injury, HA has been shown to play a mechanistic role in modulating inflammation and injury. While HA is present in the lungs of patients with acute respiratory distress syndrome (ARDS), its relationship to patient outcomes is unknown. METHODS: We studied 86 patients with ARDS previously enrolled in the Phase II Randomized Trial of Fish Oil in Patients with Acute Lung Injury (NCT00351533) at five North American medical centers...
December 14, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/29209514/fish-oil-supplementation-in-chronic-obstructive-pulmonary-disease-feasibility-of-conducting-a-randomised-controlled-trial
#11
Ashley S Fulton, Alison M Coates, Marie T Williams, Peter R C Howe, Manohar L Garg, Lisa G Wood, Peter Frith, Alison M Hill
Background: Long-chain omega-3 polyunsaturated fatty acids (LCn-3PUFAs) may act as an effective adjunct therapy for chronic obstructive pulmonary disease (COPD), a condition characterised by persistent airflow limitation and inflammation. However, the nature of this illness presents challenges for evaluating potential benefits. The aim of this study was to determine the feasibility of undertaking a randomised controlled trial of LCn-3PUFA supplementation in adults with COPD. Methods: A 16-week parallel, double-blind, randomised, placebo-controlled dietary supplementation trial was conducted...
2017: Pilot and Feasibility Studies
https://www.readbyqxmd.com/read/29194424/functional-foods-and-lifestyle-approaches-for-diabetes-prevention-and-management
#12
REVIEW
Ahmad Alkhatib, Catherine Tsang, Ali Tiss, Theeshan Bahorun, Hossein Arefanian, Roula Barake, Abdelkrim Khadir, Jaakko Tuomilehto
Functional foods contain biologically active ingredients associated with physiological health benefits for preventing and managing chronic diseases, such as type 2 diabetes mellitus (T2DM). A regular consumption of functional foods may be associated with enhanced anti-oxidant, anti-inflammatory, insulin sensitivity, and anti-cholesterol functions, which are considered integral to prevent and manage T2DM. Components of the Mediterranean diet (MD)-such as fruits, vegetables, oily fish, olive oil, and tree nuts-serve as a model for functional foods based on their natural contents of nutraceuticals, including polyphenols, terpenoids, flavonoids, alkaloids, sterols, pigments, and unsaturated fatty acids...
December 1, 2017: Nutrients
https://www.readbyqxmd.com/read/29186929/integrated-immunomodulatory-mechanisms-through-which-long-chain-n-3-polyunsaturated-fatty-acids-attenuate-obese-adipose-tissue-dysfunction
#13
REVIEW
Danyelle M Liddle, Amber L Hutchinson, Hannah R Wellings, Krista A Power, Lindsay E Robinson, Jennifer M Monk
Obesity is a global health concern with rising prevalence that increases the risk of developing other chronic diseases. A causal link connecting overnutrition, the development of obesity and obesity-associated co-morbidities is visceral adipose tissue (AT) dysfunction, characterized by changes in the cellularity of various immune cell populations, altered production of inflammatory adipokines that sustain a chronic state of low-grade inflammation and, ultimately, dysregulated AT metabolic function. Therefore, dietary intervention strategies aimed to halt the progression of obese AT dysfunction through any of the aforementioned processes represent an important active area of research...
November 27, 2017: Nutrients
https://www.readbyqxmd.com/read/29142166/fish-oil-feeding-reverses-hepatomegaly-and-disrupted-hepatic-function-due-to-the-lack-of-fxr-signaling
#14
Masaaki Miyata, Kouhei Shinno, Tomoki Kinoshita, Yuichi Kinoshita, Yoshimasa Sugiura
Mice lacking farnesoid X receptor (FXR) are used as a model for nonalcoholic fatty liver disease because their livers exhibit hepatomegaly, hepatic steatosis, and hepatic inflammation. The influence of fish oil feeding on hepatomegaly and disrupted hepatic function was investigated using female Fxr-null mice and wild-type mice fed a fish oil diet (2% fish oil and 2% corn oil) or a control diet (4% corn oil) for 4 weeks. Hepatic n-3 polyunsaturated fatty acid (PUFA) levels, including 22:6 n-3 docosahexaenoic acid (DHA) and 20:5 n-3 eicosapentaenoic acid (EPA) were significantly higher in the fish oil group than those in the control group of Fxr-null mice and wild-type mice...
2017: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/29109025/fish-oil-feeding-attenuates-neuroinflammatory-gene-expression-without-concomitant-changes-in-brain-eicosanoids-and-docosanoids-in-a-mouse-model-of-alzheimer-s-disease
#15
Kathryn E Hopperton, Marc-Olivier Trépanier, Nicholas C E James, Raphaël Chouinard-Watkins, Richard P Bazinet
BACKGROUND: Neuroinflammation is a recognized hallmark of Alzheimer's disease, along with accumulation of amyloid-β plaques, neurofibrillary tangles and synaptic loss. n-3 polyunsaturated fatty acids (PUFA) and molecules derived from them, including eicosapentaenoic acid-derived eicosanoids and docosahexaenoic acid-derived docosanoids, are known to have both anti-inflammatory and pro-resolving properties, while human observational data links consumption of these fatty acids to a decreased risk of Alzheimer's disease...
November 3, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29080699/therapeutic-potential-of-omega-3-fatty-acid-derived-epoxyeicosanoids-in-cardiovascular-and-inflammatory-diseases
#16
REVIEW
Wolf-Hagen Schunck, Anne Konkel, Robert Fischer, Karsten-Henrich Weylandt
Numerous benefits have been attributed to dietary long-chain omega-3 polyunsaturated fatty acids (n-3 LC-PUFAs), including protection against cardiac arrhythmia, triglyceride-lowering, amelioration of inflammatory, and neurodegenerative disorders. This review covers recent findings indicating that a variety of these beneficial effects are mediated by "omega-3 epoxyeicosanoids", a class of novel n-3 LC-PUFA-derived lipid mediators, which are generated via the cytochrome P450 (CYP) epoxygenase pathway. CYP enzymes, previously identified as arachidonic acid (20:4n-6; AA) epoxygenases, accept eicosapentaenoic acid (20:5n-3; EPA) and docosahexaenoic acid (22:6n-3; DHA), the major fish oil n-3 LC-PUFAs, as efficient alternative substrates...
November 7, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29080687/a-comparative-study-difference-in-omega-6-omega-3-balance-and-saturated-fat-in-diets-for-atlantic-salmon-salmo-salar-affect-immune-fat-metabolism-oxidative-and-apoptotic-gene-expression-and-eicosanoid-secretion-in-head-kidney-leukocytes
#17
Elisabeth Holen, Pedro Araujo, Nini H Sissener, Grethe Rosenlund, Rune Waagbø
The aim of this study was to compare how different dietary vegetable oil n-6/n-3 ratios affect gene responses involved in inflammation, signaling pathways, fatty acid synthesis and oxidation, oxidation and apoptosis as well as eicosanoid production in salmon head kidney tissues and isolated head kidney leukocytes. Salmon smolts (200 g) were fed four different diets where the main lipid components were palm oil (n-6/n-3 ratio = 0.7), rapeseed oil (n-6/n-3 ratio = 0.9), and soybean oil (n-6/n-3 ratio = 2...
October 30, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29035816/docosahexaenoic-acid-attenuates-carbon-tetrachloride-induced-hepatic-fibrosis-in-rats
#18
Jianlin He, Kaikai Bai, Bihong Hong, Feng Zhang, Shizhong Zheng
Fish oil containing docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) has been reported to exert beneficial health effects, including hepatoprotection. However, the effect of DHA alone has not been well studied, and the mechanism is not fully understood. In the present study, we reported the protective effect of DHA on carbon tetrachloride (CCl4) induced hepatic fibrosis. Compared with the control group, the CCl4 group showed hepatic damage as evidenced by histological changes and elevation in serum transaminase activity, fibrosis, inflammation and oxidative stress levels...
October 13, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/29025396/a-description-of-the-gross-pathology-of-drowning-and-other-causes-of-mortality-in-seabirds
#19
Victor R Simpson, David N Fisher
BACKGROUND: Mortality of seabirds due to anthropogenic causes, especially entrapment in fishing gear, is a matter of increasing international concern. This study aimed at characterising the gross pathology of seabirds that drowned in fishing nets and comparing it with that in other common causes of mortality. RESULTS: Post-mortem examinations were performed on 103 common guillemots, 32 razorbills, 37 shags and 5 great northern divers found stranded in Cornwall during 1981-2016...
October 12, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28987035/the-psychoneuroimmunological-role-of-omega-3-polyunsaturated-fatty-acids-in-major-depressive-disorder-and-bipolar-disorder
#20
Ian Hunter Rutkofsky, Anser Saeed Khan, Sindhu Sahito, Vikram Kumar
Context • Psychoneuroimmunology is the interdisciplinary study that links behavioral health with the neuroendocrinal system and investigates that link's bidirectional impact on the human immune system. Mechanistic studies have shown how omega-3 polyunsaturated fatty acids (PUFAs), like those found in fish oil, can modulate key pathways involved in inflammation, sympathetic activity, oxidative stress, transcription factors, and inflammatory cytokine production. Objective • The research team intended to investigate the effects that PUFAs have on the brain and the immune system, including the effects of proinflammatory cytokines and oxidative stress, and their therapeutic benefits in major depressive disorder (MDD) and bipolar disorder, either as an alternative monotherapy or a complementary adjunct treatment...
July 2017: Advances in Mind-body Medicine
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