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https://www.readbyqxmd.com/read/28644017/spectrally-undiscerned-isomers-might-lead-to-erroneous-determination-of-water-exchange-rates-of-paracest-eu-iii-agents
#1
Nevenka Cakić, Ben Tickner, Moritz Zaiss, David Esteban-Gómez, Carlos Platas-Iglesias, Goran Angelovski
We report a detailed study of the solution structure and water exchange rate of a Eu(III) complex with the cyclen-based ligand L(1), containing (S)-2-(2-acetamido)-3-(4-(trifluoromethyl)phenyl)propanoate pendant arms at positions 1 and 7 of the cyclen ring and acetylglycinate pendants at positions 4 and 10. The EuL(1) complex was characterized by a combination of NMR and luminescence spectroscopy and density functional theory (DFT) calculations. The chemical exchange saturation transfer (CEST) spectra obtained at different temperatures and saturation powers present a CEST signal attributed to the coordinated water molecule...
June 23, 2017: Inorganic Chemistry
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
#2
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/28636510/the-balance-of-omega-3-polyunsaturated-fatty-acids-for-reducing-residual-risks-in-patients-with-coronary-artery-disease
#3
Yuji Nishizaki, Kazunori Shimada, Hiroyuki Daida
Residual risk, which cannot be prevented by statins alone, must be controlled for inhibiting the onset of coronary events. Omega-3 polyunsaturated fatty acids (PUFAs) play an important role in controlling residual risk. The Japan eicosapentaenoic acid (EPA) Lipid Intervention Study demonstrated the inhibitory effect of high-purity EPA preparations on the residual risk of cardiovascular events. Omega-3 PUFAs inhibit coronary artery disease (CAD) through various actions, including triglyceride-lowering action...
March 21, 2017: Acta Cardiologica
https://www.readbyqxmd.com/read/28635579/-fish-oil-in-pregnancy-can-it-prevent-asthma-in-children
#4
P L P Brand, M B Katan
Taking fish oil supplements in the third trimester of pregnancy was associated with significantly less wheezing or asthma in the child at the age of 3-5 years, according to a randomized clinical trial by Bisgaard et al., NEJM 2017. However, the results of this study should be interpreted with caution. The primary end points were modified at a late stage in the study, and two primary end points, eczema in the first 3 years of life and allergic sensitization at 18 months of age, were demoted to secondary end points, and showed no significant effect of treatment...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28634855/alpha-linolenic-acid-decreases-apoptosis-and-oxidized-phospholipids-in-cardiomyocytes-during-ischemia-reperfusion
#5
Riya Ganguly, Devin Hasanally, Aleksandra Stamenkovic, Thane G Maddaford, Rakesh Chaudhary, Grant N Pierce, Amir Ravandi
The omega-3 fatty acid, alpha linolenic acid (ALA) found in plant-derived foods induces significant cardiovascular benefits when ingested. ALA may be cardioprotective during ischemia; however, the mechanism(s) responsible for this effect is unknown. Isolated adult rat cardiomyocytes were exposed to medium containing ALA for 24 h and then exposed to non-ischemic (control), simulated ischemia (ISCH), or simulated ischemia/reperfusion (IR) conditions. Cardiomyocyte phospholipids were extracted and analyzed by an HPLC/electrospray ionization tandem mass spectrometry system...
June 20, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28634213/omega-3-fatty-acids-increase-the-unfolded-protein-response-and-improve-amyloid-%C3%AE-phagocytosis-by-macrophages-of-patients-with-mild-cognitive-impairment
#6
Henry M Olivera-Perez, Larry Lam, Johnny Dang, Weilan Jiang, Fabian Rodriguez, Elizabeth Rigali, Sarah Weitzman, Verna Porter, Liudmilla Rubi, Marco Morselli, Matteo Pellegrini, Milan Fiala
Mϕs of patients with Alzheimer's disease and mild cognitive impairment (MCI) are defective in amyloid-β1-42 (Aβ) phagocytosis and have low resistance to apoptosis by Aβ. ω-3 in vitro and in vivo and the ω-3 mediator, resolvin D1, in vitro increase Aβ phagocytosis by Mϕs of patients with MCI. We have investigated the unfolded protein response (UPR) to endoplasmic reticulum (ER) stress by Mϕs in a longitudinal study of fish-derived, ω-3-supplemented patients with MCI. Patients in the apolipoprotein E (ApoE)e3/e3 subgroup over time exhibited an increase of protein kinase RNA-like ER kinase (PERK) expression, Aβ phagocytosis, intermediate M1-M2 Mϕ type, and a Mini-Mental State Examination (MMSE) rate of change of +1...
June 20, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28633870/omega-3-free-fatty-acids-attenuate-insulin-promoted-breast-cancer-cell-proliferation
#7
Yang Guo, Sheng-Long Zhu, Yi-Kuan Wu, Zhao He, Yong-Quan Chen
High insulin levels in obese people are considered as a risk factor to induce breast carcinogenesis. And consumption of fish oils which mainly contain omega-3 fatty acids is associated with a reduced risk of breast cancer. However, whether omega-3 free fatty acids (FFAs) modulate insulin signaling pathway to prevent breast cancer is poorly understood. The current study tested the hypothesis that omega-3 FFAs attenuate insulin-induced breast cancer cell proliferation and regulate insulin signaling pathway. We show here that omega-3 FFAs attenuate MCF-7 cell proliferation and Akt and Erk1/2 phosphorylation levels stimulated by insulin...
June 2017: Nutrition Research
https://www.readbyqxmd.com/read/28631923/influence-of-ingesting-a-flavonoid-rich-supplement-on-the-metabolome-and-concentration-of-urine-phenolics-in-overweight-obese-women
#8
David C Nieman, Sivapriya Ramamoorthy, Colin D Kay, Courtney L Goodman, Christopher R Capps, Zach L Shue, Nicole Heyl, Mary H Grace
This study evaluated the effect of ingesting a flavonoid-rich supplement (329 mg/d) on total urine phenolics and shifts in plasma metabolites in overweight/obese female adults using untargeted metabolomics procedures. Participants (N=103, 18-65 y, BMI ≥ 25 kg/m2) were randomized to flavonoid (F) or placebo (P) groups for 12 weeks, with blood and 24-h urine samples collected pre-study, 4- and 12-weeks in a parallel design. Supplements were prepared as chewable tablets, and included vitamin C, wild bilberry fruit extract, green tea leaf extract, quercetin, caffeine, and omega 3 fatty acids...
June 20, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28630259/triacylglycerol-mimetics-regulate-membrane-interactions-of-glycogen-branching-enzyme-implications-for-therapy
#9
Rafael Alvarez, Jesús Casas, David J López, Maitane Ibarguren, Ariadna Suari-Rivera, Silvia Terés, Francisca Guardiola-Serrano, Alexander Lossos, Xavier Busquets, Or Kakhlon, Pablo V Escribá
Adult Polyglucosan Body Disease (APBD) is a neurological disorder characterized by adult-onset neurogenic bladder, spasticity, weakness, and sensory loss. The disease is caused by aberrant glycogen branching enzyme (GBE1-Y329S) yielding less branched, globular and soluble glycogen which tends to aggregate. We explore here whether, despite being a soluble enzyme, GBE1 activity is regulated by protein-membrane interactions. Since soluble proteins can contact a wide variety of cell membranes, we investigated the interactions of purified wild-type and Y329S GBE1 proteins with different types of model membranes (liposomes)...
June 19, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/28629180/bioavailability-of-dietary-omega-3-fatty-acids-added-to-a-variety-of-sausages-in-healthy-individuals
#10
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/28627723/vitamin-d-enhances-omega-3-polyunsaturated-fatty-acids-induced-apoptosis-in-breast-cancer-cells
#11
Jing Yang, Shenglong Zhu, Guangxiao Lin, Ci Song, Zhao He
Breast cancer is a leading type of cancer in women and generally classified into three subtypes of ER(+) /PR(+) , HER2(+) and triple negative. Both omega-3 polyunsaturated fatty acids and vitamin D3 play positive role in the reduction of breast cancer incidence. However, whether combination of omega-3 polyunsaturated fatty acids and vitamin D3 has stronger protective effect on breast carcinogenesis still remains unknown. In this study, we show that the combination of ω-3 free fatty acids (ω-3 FFAs) and 1α, 25-dihydroxy-vitamin D3 (VD3 ) dramatically enhances cell apoptosis among three subtypes of breast cancer cell lines...
June 19, 2017: Cell Biology International
https://www.readbyqxmd.com/read/28627185/adherencia-y-tolerancia-como-claves-en-la-detenci%C3%A3-n-de-la-p%C3%A3-rdida-de-peso-en-pacientes-oncol%C3%A3-gicos-sometidos-a-radioterapia-mediante-una-estrategia-de-suplementaci%C3%A3-n-precoz-con-una-f%C3%A3-rmula-enteral-hipercal%C3%A3-rica-e-hiperproteica-espec%C3%A3-fica
#12
Jose M García Almeida, Yolanda Lupiáñez Pérez, Mercedes Blanco Naveira, Josefina Ruiz Nava, José Antonio Medina, Isabel Cornejo Pareja, Ana Gómez Pérez, María Molina Vega, José A López-Medina, Francisco Tinahones Madueño
Introducción: en pacientes con riesgo nutricional, la Sociedad Europea de Clínica y Metabolismo (ESPEN) y Parenteral recomienda suplementos nutricionales durante el tratamiento oncológico para prevenir la pérdida de peso involuntaria.Objetivos: nuestro objetivo es conocer el cumplimiento, la aceptabilidad y la tolerancia de un suplemento hiperproteico, hipercalórico, rico en omega 3 en pacientes oncológicos.Métodos: estudio unicéntrico, observacional y prospectivo en pacientes oncológicos con un suplemento nutricional hiperproteico, hipercalórico, rico en omega 3 y de bajo volumen...
June 5, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/28627182/factores-predictores-de-hipertrigliceridemia-en-pacientes-hospitalizados-con-nutrici%C3%A3-n-parenteral-total
#13
Maria Julia Ocón Bretón, Ana Isabel Ilundain Gonzalez, Jara Altemir Trallero, Ana Agudo Tabuenca, José Antonio Gimeno Orna
Introducción:la nutrición parenteral total (NPT) es una modalidad de soporte nutricional indicada en aquellas situaciones donde el enfermo no puede cubrir sus requerimientos nutricionales por vía enteral. A pesar de ser una terapia segura y efi caz, no está exenta de complicaciones, entre las que cabe destacar, por su frecuencia, la hipertrigliceridemia. La etiología de esta complicación metabólica es compleja y multifactorial.Objetivos: el objetivo de este trabajo fue determinar los factores de riesgo asociados al desarrollo de hipertrigliceridemia en pacientes adultos hospitalizados no críticos que reciben NPT a corto plazo y evaluar el efecto que una emulsión lipídica enriquecida en ácidos grasos poliinsaturados omega-3 ejerce sobre esta complicación metabólica...
June 5, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
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/28625031/inadequate-dietary-%C3%AE-linolenic-acid-intake-among-indonesian-pregnant-women-is-associated-with-lower-newborn-weights-in-urban-jakarta
#15
Dudung Angkasa, Victor Tambunan, Helda Khusun, Fiastuti Witjaksono, Rina Agustina
BACKGROUND: Omega-3 fatty acid intake during pregnancy has been confirmed to affect newborn birth outcomes in the developed world. However, the association between maternal omega-3 fatty acid intake and birth size is unknown in developing countries. OBJECTIVE: To examine the association of maternal omega-3 fatty acid intake with newborn birth size. METHODS AND STUDY DESIGN: A cross-sectional study was conducted, involving 282 pregnant women aged 19-40 years who had a gestational age of >32 weeks and received antenatal care at 10 health centres and one referral hospital in East Jakarta, Indonesia...
June 2017: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28624245/a-biorefinery-for-nannochloropsis-induction-harvesting-and-extraction-of-epa-rich-oil-and-high-value-protein
#16
REVIEW
Elvis T Chua, Peer M Schenk
Microalgae have been studied as biofactories for almost four decades. Yet, even until today, many aspects of microalgae farming and processing are still considered exploratory because of the uniqueness of each microalgal species. Thus, it is important to develop the entire process of microalgae farming: from culturing to harvesting, and down to extracting the desired high-value products. Based on its rapid growth and high oil productivities, Nannochloropsis sp. is of particular interest to many industries for the production of high-value oil containing omega-3 fatty acids, specifically eicosapentaenoic acid (EPA), but also several other products...
May 21, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28623529/ameliorative-effect-of-omega-3-on-spermatogenesis-testicular-antioxidant-status-and-preimplantation-embryo-development-in-streptozotocin-induced-diabetes-in-rats
#17
Mehdi Khavarimehr, Vahid Nejati, Mazdak Razi, Gholamreza Najafi
PURPOSE: The present study was done to determine the ameliorative effect of polyunsaturated fatty acid omega-3 against experimental diabetes-induced damages on testicular tissue, sperm parameters and preimplantation embryo development in rat model. METHODS: Thirty-two mature male rats were divided into two control and test groups. The experimental diabetes (50 mg kg(-1) streptozotocin, ip) was induced in test group and subdivided into non-treated diabetic, 300 and 600 mg kg(-1) omega-3-treated (orally by gavage) groups...
June 16, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28623422/effects-of-omega-3-on-matrix-metalloproteinase-9-myoblast-transplantation-and-satellite-cell-activation-in-dystrophin-deficient-muscle-fibers
#18
Samara Camaçari de Carvalho, Sajedah M Hindi, Ashok Kumar, Maria Julia Marques
In Duchenne muscular dystrophy (DMD), lack of dystrophin leads to progressive muscle degeneration, with DMD patients suffering from cardiorespiratory failure. Cell therapy is an alternative to life-long corticoid therapy. Satellite cells, the stem cells of skeletal muscles, do not completely compensate for the muscle damage in dystrophic muscles. Elevated levels of proinflammatory and profibrotic factors, such as metalloproteinase 9 (MMP-9), impair muscle regeneration, leading to extensive fibrosis and poor results with myoblast transplantation therapies...
June 17, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/28621724/erratum-intake-of-marine-derived-omega-3-polyunsaturated-fatty-acids-and-mortality-in-renal-transplant-recipients-nutrients-2017-9-363
#19
https://www.readbyqxmd.com/read/28618995/the-complexity-of-omega-3-fatty-acids-modulation-of-signaling-pathways-related-to-pancreatic-cancer
#20
Carolina Torres, Andrew M Diaz, Daniel R Principe, Paul J Grippo
Cancer is a major public health problem worldwide and is the second leading cause of death in the United States. Although cancer death rate has dropped by 23% since 1991, there are certain types of cancer for which death rates are still increasing such as, pancreatic cancer. There is an urgent need to find new therapies that could help improve this dreadful outcome. In this regard, the role of nutrition in health and disease has attracted much attention. Several dietary ingredients are involved in metabolic, physiological, and cellular signaling affecting tumor growth and progression...
June 16, 2017: Current Medicinal Chemistry
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