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MS and diet

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https://www.readbyqxmd.com/read/28225587/compms2miner-an-automatable-metabolite-identification-visualization-and-data-sharing-r-package-for-high-resolution-lc-ms-datasets
#1
William Matthew Bell Edmands, Lauren M Petrick, Dinesh Kumar Barupal, Augustin Scalbert, Mark Wilson, Jeffrey Wickliffe, Stephen M Rappaport
A long-standing challenge of untargeted metabolomic profiling by ultrahigh performance liquid chromatography-high resolution mass spectrometry (UHPLC-HRMS) is efficient transition from unknown mass spectral features to confident metabolite annotations. The compMS2Miner (Comprehensive MS2 Miner) package was developed in the R language to facilitate rapid, comprehensive feature annotation using a peak-picker-output and MS2 data files as inputs. The number of MS2 spectra that can be collected during a metabolomic profiling experiment far outweigh the amount of time required for pain-staking manual interpretation, therefore a degree of software workflow autonomy is required for broad-scale metabolite annotation...
February 22, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28220489/international-survey-on-the-use-and-welfare-of-zebrafish-danio-rerio-in-research
#2
K Lidster, G D Readman, M J Prescott, S F Owen
A survey was conducted regarding zebrafish Danio rerio use for scientific research with a focus on: anaesthesia and euthanasia; housing and husbandry; breeding and production; refinement opportunities. A total of 98 survey responses were received from laboratories in 22 countries in Europe, North America, South America, Asia and Australia. There appears a clear and urgent need to identify the most humane methods of anaesthesia and euthanasia. Aversive responses to MS-222 were widely observed raising concerns about the use of this anaesthetic for D...
February 20, 2017: Journal of Fish Biology
https://www.readbyqxmd.com/read/28219715/metabolic-syndrome-causes-rec-ognition-memory-impairments-and-reduced-the-hippocampal-neuronal-plasticity-in-rats
#3
Samuel Treviño, Rubén A Vázquez-Roque, Gustavo López-López, Claudia Perez-Cruz, Carolina Moran, Anhabella Handal-Silva, Enrique González-Vergara, Gonzalo Flores, Jorge Guevara, Alfonso Díaz
Metabolic syndrome (MS) is a serious public health problem, which can promote neuronal alterations in cognitive regions related to memory processes and learning, such as the hippocampus. However, up to now there is no information of a regional segregation of this damage. In this study, we evaluate the MS effect on the neuronal morphology of the hippocampus by a regional segregation approach. Our results demonstrate that 90days of a high-calorie diet altered metabolic energy markers and caused memory impairments, as evaluated by the recognition of novel objects test (NORT)...
February 17, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28219465/relationships-between-methane-emission-of-holstein-friesian-dairy-cows-and-fatty-acids-volatile-metabolites-and-non-volatile-metabolites-in-milk
#4
S van Gastelen, E C Antunes-Fernandes, K A Hettinga, J Dijkstra
This study investigated the relationships between methane (CH4) emission and fatty acids, volatile metabolites (V) and non-volatile metabolites (NV) in milk of dairy cows. Data from an experiment with 32 multiparous dairy cows and four diets were used. All diets had a roughage : concentrate ratio of 80 : 20 based on dry matter (DM). Roughage consisted of either 1000 g/kg DM grass silage (GS), 1000 g/kg DM maize silage (MS), or a mixture of both silages (667 g/kg DM GS and 333 g/kg DM MS; 333 g/kg DM GS and 677 g/kg DM MS)...
February 21, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28208834/in%C3%A2-pursuit%C3%A2-of%C3%A2-vitamin%C3%A2-d%C3%A2-in%C3%A2-plants
#5
Lucinda J Black, Robyn M Lucas, Jill L Sherriff, Lars Olof Björn, Janet F Bornman
Vitamin D deficiency is a global concern. Much research has concentrated on the endogenous synthesis of vitamin D in human skin following exposure to ultraviolet-B radiation (UV-B, 280-315 nm). In many regions of the world there is insufficient UV-B radiation during winter months for adequate vitamin D production, and even when there is sufficient UV-B radiation, lifestyles and concerns about the risks of sun exposure may lead to insufficient exposure and to vitamin D deficiency. In these situations, dietary intake of vitamin D from foods or supplements is important for maintaining optimal vitamin D status...
February 13, 2017: Nutrients
https://www.readbyqxmd.com/read/28208630/cocoa-and-grape-seed-byproducts-as-a-source-of-antioxidant-and-anti-inflammatory-proanthocyanidins
#6
María De La Luz Cádiz-Gurrea, Isabel Borrás-Linares, Jesús Lozano-Sánchez, Jorge Joven, Salvador Fernández-Arroyo, Antonio Segura-Carretero
Phenolic compounds, which are secondary plant metabolites, are considered an integral part of the human diet. Physiological properties of dietary polyphenols have come to the attention in recent years. Especially, proanthocyanidins (ranging from dimers to decamers) have demonstrated potential interactions with biological systems, such as antiviral, antibacterial, molluscicidal, enzyme-inhibiting, antioxidant, and radical-scavenging properties. Agroindustry produces a considerable amount of phenolic-rich sources, and the ability of polyphenolic structures to interacts with other molecules in living organisms confers their beneficial properties...
February 10, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28199938/assessment-of-multiple-exposure-to-chemical-elements-and-health-risks-among-residents-near-huodehong-lead-zinc-mining-area-in-yunnan-southwest-china
#7
Yirun Wang, Ruming Wang, Liyun Fan, Tiantian Chen, Yahong Bai, Qianru Yu, Ying Liu
The contents of chemical elements (Cd, Cr, Cu, Pb and Zn) in 11 kinds of crop/vegetables and soils around the Huodehong lead-zinc mining area in Yunnan, Southwest China were determined by using inductive coupled plasma emission spectrometry (ICP-MS). Results showed that element contents in soils decreased in the order of Zn > Pb > Cr > Cu > Cd. The high geo-accumulation indexes (Igeo) showed that cultivated soils near mine were practically polluted by Cd, Pb and Zn. The contents of Cd, Cr and Pb in crop/vegetables samples were significantly higher than the maximum permissible standard set by China...
January 12, 2017: Chemosphere
https://www.readbyqxmd.com/read/28193074/cobalamin-concentrations-in-fetal-liver-show-gender-differences-a-result-from-using-a-high-pressure-liquid-chromatography-inductively-coupled-plasma-mass-spectrometry-as-an-ultratrace-cobalt-speciation-method
#8
Janine Bosle, Sven Goetz, Andrea Raab, Eva M Krupp, Kirk G Scheckel, Enzo Lombi, Andrew A Meharg, Paul A Fowler, Jörg Feldmann
Maternal diet and lifestyle choices may affect placental transfer of cobalamin (Cbl) to the fetus. Fetal liver concentration of Cbl reflects nutritional status with regards to vitamin B12, but at these low concentration current Cbl measurement methods lack robustness. An analytical method based on enzymatic extraction with subsequent reversed-phase-high-pressure liquid chromatography (RP-HPLC) separation and parallel ICPMS and electrospray ionization (ESI)-Orbitrap-MS to determine specifically Cbl species in liver samples of only 10-50 mg was developed using 14 pig livers...
December 20, 2016: Analytical Chemistry
https://www.readbyqxmd.com/read/28190817/lc-ms-ms-measurement-of-ampicillin-residue-in-chicken-tissues-at-2-days-after-in-feed-administration
#9
Kouko Hamamoto, Yasuharu Mizuno
We assessed ampicillin (ABPC) concentrations of liver, kidney and skin at a 2-day withdrawal period in ten male and ten female White Leghorn chickens fed the diet containing ABPC (ABPC medicated feed 40 mg/kg body weight/day) for a week. The ABPC residues were measured with liquid chromatography-tandem mass spectrometry and the mean recoveries and quantitation limits ranged from 93.0% to 102.7% and from 0.1 to 1.4 ng/g, respectively. The residual ABPC concentrations were ≤7.82 ng/g for the skin and ≤0.64 ng/g for the kidney, suggesting below the Japanese provisional maximum residue limits...
February 10, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28188053/exposure-of-portuguese-children-to-the-novel-non-phthalate-plasticizer-di-iso-nonyl-cyclohexane-1-2-dicarboxylate-dinch
#10
Luísa Correia-Sá, André Schütze, Sónia Norberto, Conceição Calhau, Valentina F Domingues, Holger M Koch
Di-(iso-nonyl)-cyclohexane-1,2-dicarboxylate (DINCH) is used as substitute for high molecular weight phthalate plasticizers such as di-(2-ethylhexyl) phthalate (DEHP) and di-(iso-nonyl) phthalate (DINP). Due to a rapid substitution process, we must assume omnipresent and increasing DINCH exposures. The aim of this study was to evaluate DINCH exposure in 112 children (4-18years old) from Portugal, divided in two groups: 1) normal-/underweight following the usual diet; and 2) obese/overweight but under strict nutritional guidance...
February 7, 2017: Environment International
https://www.readbyqxmd.com/read/28185876/associations-between-food-consumption-patterns-and-saliva-composition-specificities-of-eating-difficulties-children
#11
Martine Morzel, Caroline Truntzer, Eric Neyraud, Hélène Brignot, Patrick Ducoroy, Géraldine Lucchi, Cécile Canlet, Ségolène Gaillard, Florian Nicod, Sophie Nicklaus, Noël Peretti, Gilles Feron
Identifying objective markers of diet would be beneficial to research fields such as nutritional epidemiology. As a preliminary study on the validity of using saliva for this purpose, and in order to explore the relationship between saliva and diet, we focused on clearly contrasted groups of children: children with eating difficulties (ED) receiving at least 50% of their energy intake through artificial nutrition vs healthy controls (C). Saliva of ED and C children was analyzed by various methods (targeted biochemical analyses, 2-D electrophoresis coupled to MS, (1)H NMR) and their diet was characterized using food frequency questionnaires, considering 148 food items grouped into 13 categories...
February 6, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28179618/increased-cortisol-and-cortisone-levels-in-overweight-children
#12
Lanling Chu, Kangwei Shen, Ping Liu, Kan Ye, Yu Wang, Chen Li, Xuejun Kang, Yuan Song
BACKGROUND It has been unclear whether relatively high cortisol and cortisone levels are related to overweight in childhood, parental body mass index (BMI), and family dietary habits. The aim of this study was to compare cortisol and cortisone levels in urine and saliva from overweight and normal children, as well as correlations between children's BMI, parental BMI and family dietary behavior questionnaire score (QS). MATERIAL AND METHODS We analyzed the data from 52 overweight children and 53 age- and sex-matched normal-weight children aged 4-5 years...
February 9, 2017: Medical Science Monitor Basic Research
https://www.readbyqxmd.com/read/28178143/healthy-lifestyle-and-normal-waist-circumference-are-associated-with-a-lower-5-year-risk-of-type-2-diabetes-in-middle-aged-and-elderly-individuals-results-from-the-healthy-aging-longitudinal-study-in-taiwan-halst
#13
Chu-Chih Chen, Kiang Liu, Chih-Chen Hsu, Hsing-Yi Chang, Hsiao-Chun Chung, Jih-Shin Liu, Yo-Hann Liu, Tsung-Lung Tsai, Wen-Jin Liaw, I-Ching Lin, Hsi-Wen Wu, Chung-Chou Juan, Hou-Chang Chiu, Marion M Lee, Chao A Hsiung
Type 2 diabetes mellitus (DM) is known to be closely associated with lifestyle and obesity and has a prevalence that increases with age. This study aimed to assess the short-term composite effect of diet, physical activity, psychosocial health, and waist circumference (WC) on the incidence of DM in the elderly and to provide a lifestyle-based predictive index.We used baseline measurements (2009-2013) of 5349 community-dwelling participants (aged 55 years and older, 52% female) of the Healthy Aging Longitudinal Study in Taiwan (HALST) for fasting plasma glucose, HbA1C, serum cholesterol, triglycerides, blood pressures, WC, and outcomes of home-visit questionnaire...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28178016/online-dietary-advice-for-the-symptomatic-management-of-multiple-sclerosis-a-scoping-review-protocol
#14
Jeffrey M Beckett, Marie-Louise Bird, Jane Pittaway, Kiran D K Ahuja
The objective of this scoping review is to identify, map and assess the range of dietary advice provided on websites for the symptomatic management of multiple sclerosis (MS), specifically in relation to the types of diets, relationship between specific food/diet/supplement and specific symptoms, citation of scientific literature to support claims and advice to consult a health professional (doctor/nutritionist/dietitian).Specifically the review question is: What dietary advice is available on websites for the symptomatic management of MS?...
February 2017: JBI Database of Systematic Reviews and Implementation Reports
https://www.readbyqxmd.com/read/28163851/a-systematic-review-of-the-relationship-between-dystemprament-sue-mizaj-and-treatments-and-management-of-diseases-ilaj-and-eslah-e-mizaj
#15
REVIEW
Sepide Miraj, Samira Alesaeidi, Sara Kiani
BACKGROUND: Temperament refers to four different humors differentiating in individuals and, as a result, proposes specific therapy for diseases as well as special types of management (avoidance). OBJECTIVE: The aim of this study was to overview the relationship between dystemprament and treatment and management of diseases. METHODS: A computerized search of published articles was performed using PubMed, Scopus, Web of Science, and Medline databases as well as local sources from 1965 to 2016...
December 2016: Electronic Physician
https://www.readbyqxmd.com/read/28158941/high-throughput-quantitation-of-proline-betaine-in-foods-and-suitability-as-valid-biomarker-for-citrus-consumption
#16
Roman Lang, Tatjana Lang, Matthias Bader, Anja Beusch, Verena Schlagbauer, Thomas Hofmann
Proline betaine has been proposed as a candidate dietary biomarker for citrus intake. To validate its suitability as dietary biomarker and to gain insight into the range of this per-methylated amino acids in foods and beverages, a quick and accurate stable isotope dilution assay was developed for quantitative high-throughput HILIC-MS/MS screening of proline betaine in foods and urine after solvent-mediated matrix precipitation. Quantitative analysis of a variety of foods confirmed substantial amounts of proline betaine in citrus juices (140 - 1100 mg/L) and revealed high abundance in tubers of the vegetable Stachys affinis, also known as Chinese artichocke (~700 mg/kg)...
February 3, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28156186/polyunsaturated-fatty-acids-and-the-risk-of-multiple-sclerosis
#17
Kjetil Bjørnevik, Tanuja Chitnis, Alberto Ascherio, Kassandra L Munger
BACKGROUND: Results from previous studies on polyunsaturated fatty acid (PUFA) intake and multiple sclerosis (MS) risk are conflicting. OBJECTIVE: To prospectively investigate the association between dietary intake of PUFA and MS risk. METHODS: We followed 80,920 women from Nurses' Health Study (1984-2004) and 94,511 women from Nurses' Health Study II (1991-2009) who reported on diet using a validated food frequency questionnaire every 4 years and identified 479 incident MS cases during follow-up...
January 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28140736/antihyperlipidaemic-effect-of-triterpenic-acid-enriched-fraction-from-cyclocarya-paliurus-leaves-in-hyperlipidaemic-rats
#18
Zhengfeng Wu, Tianhong Gao, Rongling Zhong, Zi Lin, Cuihua Jiang, Sheng Ouyang, Ming Zhao, Chuntao Che, Jian Zhang, Zhiqi Yin
CONTEXT: Cyclocarya paliurus (Batal) Iljinskaja (Juglandaceae) is an edible and medicinal plant; the leaves are used in Chinese folkloric medicine to treat dyslipidaemia and diabetes. OBJECTIVE: This study evaluates the antihyperlipidaemic potential of the triterpenic acid-enriched fraction (TAE) from C. paliurus and the underlying mechanism. MATERIALS AND METHODS: The hyperlipidaemic rats were induced by high fat diet for 6 weeks. After oral administration of TAE (200 and 400 mg/kg), the neutral fraction (150 and 300 mg/kg) and statin (4 mg/kg) to the hyperlipidaemic rats for 4 weeks, lipid profile and apolipoprotein (apoB48) level in plasma, and the expression levels of apoB48, microsomal triglyceride transfer protein (MTP), phosphorylation of mitogen-activated protein kinase (MAPK) and tumour necrosis factor α (TNF-α) in intestine were examined...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28139226/non-target-analysis-of-phospholipid-and-sphingolipid-species-in-egg-yolk-using-liquid-chromatography-triple-quadrupole-tandem-mass-spectrometry
#19
Bogusław Buszewski, Justyna Walczak, Petar Žuvela, J Jay Liu
In this work, phospholipids extracted from egg yolk (control group, experimental group) were identified using high performance liquid chromatography coupled with electrospray ionization-tandem mass spectrometry (HPLC-ESI-MS/MS). Combinations of fatty acyls occurring in 11 classes of phospholipids from egg yolk were investigated. Differences between the profile of fatty acyls from hens fed traditionally and the ones that received special diet supplementation were observed. Experimental findings were complemented with multivariate chemometric analysis...
March 3, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28134852/metabolomic-fingerprinting-in-the-comprehensive-study-of-liver-changes-associated-with-onion-supplementation-in-hypercholesterolemic-wistar-rats
#20
Diana González-Peña, Danuta Dudzik, Antonia García, Begoña de Ancos, Coral Barbas, Concepción Sánchez-Moreno
The consumption of functional ingredients has been suggested to be a complementary tool for the prevention and management of liver disease. In this light, processed onion can be considered as a source of multiple bioactive compounds with hepatoprotective properties. The liver fingerprint of male Wistar rats (n = 24) fed with three experimental diets (control (C), high-cholesterol (HC), and high-cholesterol enriched with onion (HCO) diets) was obtained through a non-targeted, multiplatform metabolomics approach to produce broad metabolite coverage...
January 28, 2017: International Journal of Molecular Sciences
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