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alpha-linolenic acid

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https://www.readbyqxmd.com/read/29150481/identification-of-pleiotropic-cancer-susceptibility-variants-from-genome-wide-association-studies-reveals-functional-characteristics
#1
Yi-Hsuan Wu, Rebecca E Graff, Michael N Passarelli, Joshua D Hoffman, Elad Ziv, Thomas J Hoffmann, John S Witte
BACKGROUND: There exists compelling evidence that some genetic variants are associated with the risk of multiple cancer sites (i.e., pleiotropy). However, the biological mechanisms through which the pleiotropic variants operate are unclear. METHODS: We obtained all cancer risk associations from the National Human Genome Research Institute-European Bioinformatics Institute GWAS Catalog, and correlated cancer risk variants were clustered into groups. Pleiotropic variant groups and genes were functionally annotated...
November 17, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/29146138/development-of-kidney-transplant-fibrosis-is-inversely-associated-with-plasma-marine-fatty-acid-level
#2
Ivar A Eide, Christina Dörje, My Svensson, Trond Jenssen, Clara Hammarstrøm, Helge Scott, Kristian S Bjerve, Jeppe H Christensen, Erik B Schmidt, Anders Hartmann, Anders Åsberg, Anna V Reisæter, Finn P Reinholt
OBJECTIVE(S): We assessed associations between plasma levels of polyunsaturated fatty acids (PUFAs) and degree of inflammation and interstitial fibrosis in transplanted kidneys. DESIGN: The design of the study was single center cohort study. SUBJECTS: A study population of 156 patients who received a kidney transplant at Oslo University Hospital during 2010. MAIN OUTCOME MEASURE: Kidney transplant biopsies were obtained at 2 months and 1 year after transplantation...
November 14, 2017: Journal of Renal Nutrition
https://www.readbyqxmd.com/read/29137111/effect-of-omega-3-fatty-acid-supplementation-on-plasma-fibroblast-growth-factor-23-levels-in-post-myocardial-infarction-patients-with-chronic-kidney-disease-the-alpha-omega-trial
#3
Martin H de Borst, Leandro C Baia, Ellen K Hoogeveen, Erik J Giltay, Gerjan Navis, Stephan J L Bakker, Johanna M Geleijnse, Daan Kromhout, Sabita S Soedamah-Muthu
Fibroblast growth factor 23 (FGF23) is an independent risk factor for cardiovascular mortality in chronic kidney disease. Omega-3 (n-3) fatty acid consumption has been inversely associated with FGF23 levels and with cardiovascular risk. We examined the effect of marine n-3 fatty acids eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) and plant-derived alpha-linolenic acid (ALA) on plasma FGF23 levels in post-myocardial infarction patients with chronic kidney disease. In the randomized double-blind Alpha Omega Trial, 4837 patients with a history of myocardial infarction aged 60-80 years (81% men) were randomized to one of four trial margarines supplemented with a targeted additional intake of 400 mg/day EPA and DHA, 2 g/day ALA, EPA-DHA plus ALA, or placebo for 41 months...
November 11, 2017: Nutrients
https://www.readbyqxmd.com/read/29101172/flaxseed-its-bioactive-components-and-their-cardiovascular-benefits
#4
Mihir Parikh, Thomas Netticadan, Grant N Pierce
Cardiovascular disease remains the leading cause of mortality and morbidity world-wide. The inclusion of functional foods and natural health products in the diet are gaining increasing recognition as integral components of lifestyle changes in the fight against cardiovascular disease. Several preclinical and clinical studies have shown the beneficial cardiovascular effects of dietary supplementation with flaxseed. The cardiovascular effects of dietary flaxseed have included an anti-hypertensive action, anti-atherogenic effects, a lowering of cholesterol, an anti-inflammatory action and an inhibition of arrhythmias...
November 3, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29092397/alpha-linolenic-acid-from-perilla-frutescens-var-japonica-oil-protects-a%C3%AE-induced-cognitive-impairment-through-regulation-of-app-processing-and-a%C3%AE-degradation
#5
Ah Young Lee, Myoung Hee Lee, Sanghyun Lee, Eun Ju Cho
Alzheimer's disease (AD) is characterized by progressive cognitive and memory impairment. The major pathological hallmark of AD is the accumulation of amyloid beta (Aβ), which is produced from the amyloid precursor protein (APP) through cleavage of β- and γ-secretase. Recently, dietary plant oil containing ω-3 polyunsaturated fatty acid has become attractive alternative sources to fish oil containing eicosapentaenoic acid or docosahexaenoic acid (DHA). We investigated whether ALA isolated from perilla oil has direct effects on improvement of cognitive ability and molecular mechanisms in APP processing in comparison with DHA...
November 2, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29080057/sex-differences-in-blood-hdl-c-the-total-cholesterol-hdl-c-ratio-and-palmitoleic-acid-are-not-associated-with-variants-in-common-candidate-genes
#6
Shannon L Klingel, Kaitlin Roke, Bertha Hidalgo, Stella Aslibekyan, Robert J Straka, Ping An, Michael A Province, Paul N Hopkins, Donna K Arnett, Jose M Ordovas, Chao-Qiang Lai, David M Mutch
Blood lipids are associated with cardiovascular disease (CVD) risk. Moreover, circulating lipid and fatty acid levels vary between men and women, and evidence demonstrates these traits may be influenced by single nucleotide polymorphisms (SNP). Sex-genotype interactions related to blood lipids and fatty acids have been poorly investigated and may help elucidate sex differences in CVD risk. The goal of this study was to investigate if the influence of SNPs previously associated with blood lipids and fatty acids varies in a sex-specific manner...
October 27, 2017: Lipids
https://www.readbyqxmd.com/read/29071721/erythrocyte-membrane-fatty-acids-and-breast-cancer-risk-a-prospective-analysis-in-the-nurses-health-study-ii
#7
Kelly A Hirko, Boyang Chai, Donna Spiegelman, Hannia Campos, Maryam S Farvid, Susan E Hankinson, Walter C Willett, A Heather Eliassen
The roles of specific fatty acids in breast cancer etiology are unclear, particularly among premenopausal women. We examined 34 individual fatty acids, measured in blood erythrocytes collected between 1996-1999, and breast cancer risk in a nested case-control study of primarily premenopausal women in the Nurses' Health Study II. Breast cancer cases diagnosed after blood collection and before June 2010 (n=794) were matched to controls and conditional logistic regression was used to estimate OR's (95% CI's) for associations of fatty acids with breast cancer; unconditional logistic regression was used for stratified analyses...
October 26, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29071459/chemo-enzymatic-epoxidation-of-lallemantia-ibericaseed-oil-process-development-and-economic-ecological-evaluation
#8
Fabian Haitz, Sophia Radloff, S Rupp, M Fröhling, T Hirth, S Zibek
The chemo-enzymatic epoxidation of Lallemantia iberica seed oil (LISO), a novel plant oil characterized by its exceptional high content of alpha-linolenic acid (> 60%), was developed using an immobilized lipase from Pseudozyma antarctica and hydrogen peroxide as oxidant. A statistical approach was used to study the effect of enzyme amount, temperature, time, and solvent amount on the oxirane oxygen content obtained during epoxidation. An oxirane oxygen content of 8.6 ± 0.2% corresponding to a yield of 82% was obtained under optimized conditions that were identified to be at an enzyme load of 8...
October 25, 2017: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/29051634/low-sat-structured-fats-enriched-in-%C3%AE-linolenic-acid-physicochemical-properties-and-crystallization-characteristics
#9
Marcella Aparecida Stahl, Monise Helen Masuchi Buscato, Renato Grimaldi, Lisandro Pavie Cardoso, Ana Paula Badan Ribeiro
This work sought to obtain and evaluate zero trans-fat reduced in saturated fatty acids, with higher content of unsaturated fatty acids. Palm oil (PO) was used as the reference of zero trans lipid base. Different amounts of linseed oil (LO) were added to PO, obtaining the following blends: 100:0; 80:20; 60:40; 40:60; 20:80 and 0:100 of PO:LO (w/w%), respectively. These blends were added to fully hydrogenated soybean oil (FHSO) as the crystallization modifying agent, and to sorbitan monostearate (SMS) as the structuring element, both at a proportion of 3% to build the structured fractions...
October 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/29050261/alpha-linolenic-acid-stabilizes-hif-1-%C3%AE-and-downregulates-fasn-to-promote-mitochondrial-apoptosis-for-mammary-gland-chemoprevention
#10
Subhadeep Roy, Atul Kumar Rawat, Shreesh Raj Sammi, Uma Devi, Manjari Singh, Swetlana Gautam, Rajnish Kumar Yadav, Jitendra Kumar Rawat, Lakhveer Singh, Mohd Nazam Ansari, Abdulaziz S Saeedan, Rakesh Pandey, Dinesh Kumar, Gaurav Kaithwas
Alpha linolenic acid is an essential polyunsaturated fatty acid and is reported to have the anti-cancer potential with no defined hypothesis or mechanism/s. Henceforth present study was in-quested to validate the effect of alpha linolenic acid on mitochondrial apoptosis, hypoxic microenvironment and de novo fatty acid synthesis using in-vitro and in-vivo studies. The IC50 value of alpha linolenic acid was recorded to be 17.55μM against ER+MCF-7 cells. Treatment with alpha linolenic acid was evident for the presence of early and late apoptotic signals along with mitochondrial depolarization, when studied through acridine orange/ethidium bromide and JC-1 staining...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29036515/the-jasmonate-zim-domain-gene-family-mediates-ja-signaling-and-stress-response-in-cotton
#11
Heng Sun, Lin Chen, Jianying Li, Meiling Hu, Abid Ullah, Xin He, Xiyan Yang, Xianlong Zhang
JASMONATE ZIM-domain (JAZ) family proteins are involved in regulating diverse biological processes in plants. However, their functions have not been well characterized in cotton (Gossypium spp.). In the present study, 13, 15, 25, and 30 JAZ genes were identified in Gossypium arboretum, Gossypium raimondii, Gossypium barbadense and Gossypium hirsutum respectively, based on gene homology. Selection and variation analyses showed that the SNP density of GhJAZ genes in wild species was much higher than that in domesticated species...
October 3, 2017: Plant & Cell Physiology
https://www.readbyqxmd.com/read/28934766/new-zealand-women-have-suboptimal-intakes-of-long-chain-omega-3-polyunsaturated-fatty-acids-during-pregnancy-a-cross-sectional-study
#12
Michele Eickstaedt, Kathryn L Beck, Cathryn A Conlon
AIM: To investigate dietary intakes and food sources of polyunsaturated fatty acids in New Zealand pregnant women. METHOD: Women (n=596) 16 years plus in trimester three of pregnancy completed an online food frequency questionnaire validated for omega-3 and omega-6 polyunsaturated fatty acids. RESULTS: Estimated median [25th, 75th percentile] intakes of omega-3 polyunsaturated fatty acids were: 1,300 [790, 2,120] mg/d alpha-linolenic acid (adequate intake 1,000mg/d); 220 [120, 520] mg/d total long chain omega-3 polyunsaturated fatty acids (adequate intake 115mg/d); and 110 [50, 250] mg/d docosahexaenoic acid (recommended 200mg/d)...
September 22, 2017: New Zealand Medical Journal
https://www.readbyqxmd.com/read/28928514/component-analysis-of-nutritionally-rich-chloroplasts-recovery-from-conventional-and-unconventional-green-plant-species
#13
Mohamed A Gedi, Rhianna Briars, Felius Yuseli, Noorazwani Zainol, Randa Darwish, Andrew M Salter, David A Gray
A study of the literature indicates that chloroplasts synthesise a range of molecules, many of which have nutritional value for humans, but the nutritional credentials of chloroplasts recovered from plant cells are not established. Chloroplast-rich-fractions (CRFs) were prepared from green plant species and the macro- and micro-nutrient composition compared with the whole leaf materials (WLMs). The results indicated that, on a dry weight basis, CRF material from a range of green biomass was enriched in lipids and proteins, and in a range of micronutrients compared with the WLM...
August 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28916975/flaxseed-oil-supplementation-improve-gene-expression-levels-of-ppar-%C3%AE-lp-a-il-1-and-tnf-%C3%AE-in-type-2-diabetic-patients-with-coronary-heart-disease
#14
Ali Akbar Hashemzadeh, Nikoo Nasoohi, Fariba Raygan, Esmat Aghadavod, Elmira Akbari, Mohsen Taghizadeh, Mohammad Reza Memarzadeh, Zatollah Asemi
This study was carried out to determine the effects of flaxseed oil administration on gene expression levels related to insulin, lipid and inflammation in overweight diabetic patients with coronary heart disease (CHD). This randomized double-blind, placebo-controlled trial was conducted among 60 diabetic patients with CHD. Subjects were randomly allocated into two groups to intake either 1000 mg n-3 fatty acid from flaxseed oil containing 400 mg α-Linolenic acid [ALA (18:3n-3)] (n = 30) or placebo (n = 30) twice a day for 12 weeks...
November 2017: Lipids
https://www.readbyqxmd.com/read/28899689/enhanced-expression-of-genes-related-to-xenobiotic-metabolism-in-the-skin-of-patients-with-atopic-dermatitis-but-not-with-ichthyosis-vulgaris
#15
Stefan Blunder, Sulev Kõks, Gea Kõks, Ene Reimann, Hubert Hackl, Robert Gruber, Verena Moosbrugger-Martinz, Matthias Schmuth, Sandrine Dubrac
Previous transcriptome analyses underscored the importance of immunological and skin barrier abnormalities in atopic dermatitis (AD). We sought to identify novel pathogenic pathways involved in AD by comparing the transcriptomes of AD patients stratified for filaggrin (FLG) null mutations to those of both healthy donors and patients with ichthyosis vulgaris (IV). We applied RNA-sequencing to analyze the whole transcriptome of nonlesional skin. Six-hundred and seven genes (476 up-regulated and 131 down-regulated by greater than 2-fold) and one-hundred and ninety-three genes (172 up-regulated and 21 down-regulated by greater than 2-fold) were differentially expressed when all AD or IV patients were compared to healthy donors, respectively...
September 9, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28846858/effects-of-dietary-induced-alterations-in-rat-brain-docosahexaenoic-acid-accrual-on-phospholipid-metabolism-and-mitochondrial-bioenergetics-an-in%C3%A2-vivo-31-p-mrs-study
#16
Diana M Lindquist, Ruth H Asch, Jennifer D Schurdak, Robert K McNamara
Evidence from (31)P magnetic resonance spectroscopy ((31)P MRS) studies suggest that different psychiatric disorders, which typically emerge during adolescence and young adulthood, are associated with abnormalities in mitochondrial bioenergetics and membrane phospholipid metabolism. These disorders are also associated with deficits in omega-3 polyunsaturated fatty acids (n-3 PUFA), including docosahexaenoic acid (DHA) which accumulates in mitochondrial and synaptic membranes. The present study investigated the effects of dietary-induced alterations in brain DHA accrual during adolescence on phospholipid metabolism and bioenergetics in the adult rat brain using (31)P MRS...
December 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28844093/alpha-linolenic-acid-treatment-reduces-the-contusion-and-prevents-the-development-of-anxiety-like-behavior-induced-by-a-mild-traumatic-brain-injury-in-rats
#17
Taiza H Figueiredo, Carolina L Harbert, Volodymyr Pidoplichko, Camila P Almeida-Suhett, Hongna Pan, Katia Rossetti, Maria F M Braga, Ann M Marini
Approximately, 1.7 million Americans suffer a TBI annually and TBI is a major cause of death and disability. The majority of the TBI cases are of the mild type and while most patients recover completely from mild TBI (mTBI) about 10% result in persistent symptoms and some result in lifelong disability. Anxiety disorders are the second most common diagnosis post-TBI. Of note, TBI-induced anxiety disorders are difficult to treat and remain a chronic condition suggesting that new therapies are needed. Previous work from our laboratory demonstrated that a mild TBI induced an anxiety-like phenotype, a key feature of the human condition, associated with loss of GABAergic interneurons and hyperexcitability in the basolateral amygdala (BLA) in rodents 7 and 30 days after a controlled cortical impact (CCI) injury...
August 26, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28807874/docosahexaenoic-acid-increases-the-expression-of-oxidative-stress-induced-growth-inhibitor-1-through-the-pi3k-akt-nrf2-signaling-pathway-in-breast-cancer-cells
#18
Chia-Han Tsai, You-Cheng Shen, Haw-Wen Chen, Kai-Li Liu, Jer-Wei Chang, Pei-Yin Chen, Chen-Yu Lin, Hsien-Tsung Yao, Chien-Chun Li
Oxidative stress-induced growth inhibitor 1 (OSGIN1), a tumor suppressor, inhibits cell proliferation and induces cell death. N-6 and n-3 PUFAs protect against breast cancer, but the molecular mechanisms of this effect are not clear. We investigated the effect of n-6 and n-3 PUFAs on OSGIN1 expression and whether OSGIN1 is involved in PUFA-induced apoptosis in breast cancer cells. We used 100 μM of n-6 PUFAs including arachidonic acid, linoleic acid, and gamma-linolenic acid and n-3 PUFAs including alpha-linolenic acid, eicosapentaenoic acid, and docosahexaenoic acid (DHA)...
August 12, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28802571/omega-3-polyunsaturated-fatty-acids-improve-endothelial-function-in-humans-at-risk-for-atherosclerosis-a-review
#19
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/28802112/evaluation-of-%C3%AE-linolenic-acid-for-freezability-and-in%C3%A2-vivo-fertility-of-nili-ravi-bubalus-bubalis-buffalo-semen
#20
R Ejaz, M S Ansari, B A Rakha, S Qadeer, A U Husna, S Akhter
Alpha linolenic acid (ALA) is integral component of cell membrane that protects the cell in stressful events and involves in many metabolic pathways. It was hypothesized that ALA have the ability to protect the structural and functional integrity of buffalo spermatozoa during freeze-thawing. Therefore, study was designed to evaluate ALA supplementation (0, 5, 10 and 20 ng/mL) in extender on freezability and in vivo fertility of buffalo bull spermatozoa. Semen from three adult Nili-Ravi buffalo bulls of similar age was collected with artificial vagina (42 °C) for five weeks (replicates; N = 30)...
July 27, 2017: Theriogenology
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