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https://www.readbyqxmd.com/read/28823016/de-novo-synthesis-of-linoleic-acid-in-multiple-collembola-species
#1
Miriama Malcicka, Joachim Ruther, Jacintha Ellers
Many ecological interactions in communities take place between consumers and the organisms they feed on. Continuous surplus of specific nutritional compounds in the diet may lead to evolutionary changes in the metabolic capacity of the consumer, leaving the biosynthesis of such compounds prone to genetic decay and render organisms auxotrophic. A nutrient that is essential to many organisms is the unsaturated fatty acid, linoleic acid (LA; 18:2n-6), which is important in the maintenance of cell membrane fluidity and as a precursor for signaling molecules...
August 19, 2017: Journal of Chemical Ecology
https://www.readbyqxmd.com/read/28822885/matching-complex-dietary-landscapes-with-the-signalling-pathways-that-regulate-life-history-traits
#2
REVIEW
Christen K Mirth, Matthew Dw Piper
The rise in obesity in human populations has reinvigorated research focused on how nutrition impacts life history traits, including body size, lifespan, reproductive success, stress resistance and propensity for disease. Studies have ranged in their approach from identifying the molecular machinery responding to changes in nutrient levels, to understanding the hormonal changes that occur in response to diet, to mapping the response of differing life history traits over complex dietary landscapes. Connecting insights across these approaches presents significant challenges primarily because we lack information about how signalling pathways respond to dietary complexity...
August 17, 2017: Current Opinion in Genetics & Development
https://www.readbyqxmd.com/read/28822553/vitamin-d-status-in-growing-dairy-goats-and-sheep-influence-of-ultraviolet-b-radiation-on-bone-metabolism-and-calcium-homeostasis
#3
M V Nemeth, M R Wilkens, A Liesegang
The aim of this study was to investigate how controlled UVB irradiation in combination with reduced nutritional vitamin D (vitD) supply affects vitD status and Ca metabolism of growing goats and sheep. The hypothesis was that, like dairy cows, goats and sheep are able to compensate for the missing nutritional supply of vitD through endogenous production in the skin, with the consequence of a high vitD status and a balanced Ca homeostasis. Sixteen lambs and 14 goat kids aged 3 and a half months were housed in an UVB free environment and fed hay and a vitD-free concentrate over a period of 13 wk...
August 16, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28822504/is-smog-innocuous-air-pollution-and-cardiovascular-disease
#4
EDITORIAL
Sundeep Mishra
Air pollution is a significant environmental and health hazard. Earlier studies had examined the adverse health effects associated with short- and long-term exposure to particulate matter on respiratory disease. However, later studies demonstrated that was actually cardiovascular disease that accounted for majority of mortality. Furthermore, it was not gaseous pollutants like oxides of nitrate, sulfur, carbon mono-oxide or ozone but the particulate matter or PM, of fine or coarse size (PM2.5 and PM10) which was linearly associated with mortality; PM2...
July 2017: Indian Heart Journal
https://www.readbyqxmd.com/read/28820493/marine-lipids-on-cardiovascular-diseases-and-other-chronic-diseases-induced-by-diet-an-insight-provided-by-proteomics-and-lipidomics
#5
REVIEW
Lucía Méndez, Gabriel Dasilva, Nùria Taltavull, Marta Romeu, Isabel Medina
Marine lipids, especially ω-3 polyunsaturated fatty acids (PUFAs) eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), have largely been linked to prevention of diet-induced diseases. The anti-inflammatory and hypolipidemic properties of EPA and DHA supplementation have been well-described. However, there is still a significant lack of information about their particular mechanism of action. Furthermore, repeated meta-analyses have not shown conclusive results in support of their beneficial health effects...
August 18, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28820455/beverage-intake-among-children-associations-with-parent-and-home-related-factors
#6
Arwa Zahid, Cynthia Davey, Marla Reicks
Beverage intake can influence child diet quality in a positive or negative manner depending on the beverage type and amounts consumed. Parenting practices such as role modeling and control of home beverage availability have been associated with child beverage intake, whereas examination of the influence of parental beverage nutrition knowledge has been more limited. The purpose of this study was to examine the relationships between sugar-sweetened and dairy beverage intake among children (9-12 years) and home and parental factors...
August 18, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28819233/biology-physiology-and-gene-expression-of-grasshopper-oedaleus-asiaticus-exposed-to-diet-stress-from-plant-secondary-compounds
#7
Xunbing Huang, Jingchuan Ma, Xinghu Qin, Xiongbing Tu, Guangchun Cao, Guangjun Wang, Xiangqun Nong, Zehua Zhang
We studied the role of plant primary and secondary metabolites in mediating plant-insect interactions by conducting a no-choice single-plant species field experiment to compare the suitability, enzyme activities, and gene expression of Oedaleus asiaticus grasshoppers feeding on four host and non-host plants with different chemical traits. O. asiaticus growth showed a positive relationship to food nutrition content and a negative relationship to secondary compounds content. Grasshopper amylase, chymotrypsin, and lipase activities were positively related to food starch, crude protein, and lipid content, respectively...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28818183/regulation-by-means-of-diet-nutrition
#8
Holger Kiesewetter
No abstract text is available yet for this article.
July 24, 2017: Deutsches Ärzteblatt International
https://www.readbyqxmd.com/read/28818081/what-makes-gouty-inflammation-so-variable
#9
REVIEW
Robert Terkeltaub
Acute gout arthritis flares contribute dominantly to gout-specific impaired health-related quality of life, representing a progressively increasing public health problem. Flares can be complex and expensive to treat, partly due to the frequent comorbidities. Unmet needs in gout management are more pressing given the markedly increasing gout flare hospital admission rates. In addition, chronic gouty arthritis can cause joint damage and functional impairment. This review addresses new knowledge on the basis for the marked, inherent variability of responses to deposited urate crystals, including the unpredictable and self-limited aspects of many gout flares...
August 18, 2017: BMC Medicine
https://www.readbyqxmd.com/read/28817633/fat-storage-in-drosophila-suzukii-is-influenced-by-different-dietary-sugars-in-relation-to-their-palatability
#10
Maurizio Biolchini, Elisabetta Murru, Gianfranco Anfora, Francesco Loy, Sebastiano Banni, Roberto Crnjar, Giorgia Sollai
The peripheral sensitivity and palatability of different carbohydrates was evaluated and their nutritional value assessed in adult females of D. suzukii by means of an electrophysiological, behavioural and metabolic approach. The electrophysiological responses were recorded from the labellar "l" type sensilla stimulated with metabolizable mono- and disaccharides (glucose and maltose) and a non-metabolizable sugar (sucralose); the response rating and the palatability to the same sugars, evaluated by recording the proboscis extension reflex (PER), was maltose>glucose>sucralose...
2017: PloS One
https://www.readbyqxmd.com/read/28817093/quality-of-vegetables-based-on-total-phenolic-concentration-is-lower-in-more-rural-consumer-food-environments-in-a-rural-american-state
#11
Selena Ahmed, Carmen Byker Shanks
While daily consumption of fruits and vegetables (FVs) is widely recognized to be associated with supporting nutrition and health, disparities exist in consumer food environments regarding access to high-quality produce based on location. The purpose of this study was to evaluate FV quality using total phenolic (TP) scores (a phytochemical measure for health-promoting attributes, flavor, appearance, and shelf-life) in consumer food environments along a rural to urban continuum in the rural state of Montana, United States...
August 17, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28817083/comparison-of-australian-recommended-food-score-arfs-and-plasma-carotenoid-concentrations-a-validation-study-in-adults
#12
Lee Ashton, Rebecca Williams, Lisa Wood, Tracy Schumacher, Tracy Burrows, Megan Rollo, Kristine Pezdirc, Robin Callister, Clare Collins
Diet quality indices can predict nutritional adequacy of usual intake, but validity should be determined. The aim was to assess the validity of total and sub-scale score within the Australian Recommended Food Score (ARFS), in relation to fasting plasma carotenoid concentrations. Diet quality and fasting plasma carotenoid concentrations were assessed in 99 overweight and obese adults (49.5% female, aged 44.6 ± 9.9 years) at baseline and after three months (198 paired observations). Associations were assessed using Spearman's correlation coefficients and regression analysis, and agreement using weighted kappa (Kw)...
August 17, 2017: Nutrients
https://www.readbyqxmd.com/read/28814951/optimal-formulations-of-local-foods-to-achieve-nutritional-adequacy-for-6-23-month-old-rural-tanzanian-children
#13
Jofrey Raymond, Neema Kassim, Jerman W Rose, Morris Agaba
Background: Achieving nutritional goals of infants and young children while maintaining the intake of local and culture-specific foods can be a daunting task. Diet optimisation using linear goal programming (LP) can effectively generate optimal formulations incorporating local and culturally acceptable foods. Objective: The primary objective of this study was to determine whether a realistic and affordable diet that achieves dietary recommended intakes (DRIs) for 22 selected nutrients can be formulated for rural 6-23-month-old children in Tanzania...
2017: Food & Nutrition Research
https://www.readbyqxmd.com/read/28814665/fatty-acid-oxidation-by-the-osteoblast-is-required-for-normal-bone-acquisition-in-a-sex-and-diet-dependent-manner
#14
Soohyun P Kim, Zhu Li, Meredith L Zoch, Julie L Frey, Caitlyn E Bowman, Priyanka Kushwaha, Kathleen A Ryan, Brian C Goh, Susanna Scafidi, Julie E Pickett, Marie-Claude Faugere, Erin E Kershaw, Daniel L J Thorek, Thomas L Clemens, Michael J Wolfgang, Ryan C Riddle
Postnatal bone formation is influenced by nutritional status and compromised by disturbances in metabolism. The oxidation of dietary lipids represents a critical source of ATP for many cells but has been poorly studied in the skeleton, where the prevailing view is that glucose is the primary energy source. Here, we examined fatty acid uptake by bone and probed the requirement for fatty acid catabolism during bone formation by specifically disrupting the expression of carnitine palmitoyltransferase 2 (Cpt2), an obligate enzyme in fatty acid oxidation, in osteoblasts and osteocytes...
August 17, 2017: JCI Insight
https://www.readbyqxmd.com/read/28814392/temporal-eating-patterns-associations-with-nutrient-intakes-diet-quality-and-measures-of-adiposity
#15
Rebecca M Leech, Anna Timperio, Katherine M Livingstone, Anthony Worsley, Sarah A McNaughton
Background: Some evidence suggests that higher energy intake (EI) later in the day is associated with poor diet quality and obesity. However, EI at one eating occasion (EO) is also dependent on EI at surrounding EOs. Studies that examine the distribution of EOs across the day are rare.Objective: The aim of this study was to examine associations between temporal eating patterns, nutrient intakes, diet quality, and measures of adiposity in a representative sample of Australian adults.Design: Dietary data from two 24-h recalls collected during the cross-sectional 2011-2012 Australian National Nutrition and Physical Activity Survey were analyzed (n = 4544 adults, aged ≥19 y)...
August 16, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28814349/breakfast-consumption-and-nutrient-intakes-in-4-18-year-olds-uk-national-diet-and-nutrition-survey-rolling-programme-2008-2012
#16
Janine D Coulthard, Luigi Palla, Gerda K Pot
Although breakfast consumption is widely considered to be an important component of a healthy lifestyle, few UK studies have examined differences in nutrient intakes between breakfast consumers and breakfast skippers among children and adolescents. We investigated associations between breakfast skipping in 4-18-year-olds and their nutrient intakes using data from the UK's National Diet and Nutrition Survey Rolling Programme. Dietary data were derived from 4-d estimated food diaries of 802 children aged 4-10 years and 884 children aged 11-18 years (1686 in total)...
August 17, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28814219/coeliac-disease-review-of-diagnosis-and-management
#17
Marjorie M Walker, Jonas F Ludvigsson, David S Sanders
Coeliac disease is an immune-mediated systemic disease triggered by exposure to gluten, and manifested by small intestinal enteropathy and gastrointestinal and extra-intestinal symptoms. Recent guidelines recommend a concerted use of clear definitions of the disease. In Australia, the most recent estimated prevalence is 1.2% in adult men (1:86) and 1.9% in adult women (1:52). Active case finding is appropriate to diagnose coeliac disease in high risk groups. Diagnosis of coeliac disease is important to prevent nutritional deficiency and long term risk of gastrointestinal malignancy...
August 21, 2017: Medical Journal of Australia
https://www.readbyqxmd.com/read/28813611/intrauterine-growth-restricted-yucatan-miniature-pigs-experience-early-catch-up-growth-leading-to-greater-adiposity-and-impaired-lipid-metabolism-as-young-adults
#18
Semone B Myrie, Leslie L McKnight, J Christopher King, John J McGuire, Bruce N Van Vliet, Sukhinder K Cheema, Robert F Bertolo
Early nutrition has critical influences on cardiovascular disease risk in adulthood. The study objectives were to evaluate the impact of low birth weight on fasting and postprandial lipid metabolism and endothelium function in Yucatan miniature pigs. Intrauterine growth-restricted (IUGR) piglets (n = 6, 3 d old, 0.73 ± 0.04 kg) were paired with normal weight (NW) same-sex littermates (n = 6, 1.11 ± 0.05 kg) and fed milk replacer ad libitum for 4 wk. Thereafter, all pigs were fed a standard diet ad libitum for 5 h/d with growth, intakes and blood samples collected for 8 mo...
August 16, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28812573/adjusting-diet-outcome-associations-for-random-error-comparison-of-associations-based-on-observed-and-estimated-usual-intakes
#19
E Verly-Jr, R Sichieri, V T Baltar
BACKGROUND/OBJECTIVES: To compare linear regression coefficients adjusted for random errors with true coefficients. SUBJECTS/METHODS: Three hundred and two individuals from the city of Rio de Janeiro, Brazil answered 20 non-consecutive 24-hr. Means of 20 24-hr were used as an approximation of the usual dietary intakes. It was simulated outcomes with pre-defined linear regression coefficient (β=1.0, referred as 'true coefficient') for usual coffee and soft-drink intakes as explanatory variables controlled for sex and age...
August 16, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28812522/dietary-advice-for-children-has-good-effect-on-parents-too
#20
(no author information available yet)
Nutrition advice given to children can also improve parents' diets, an ongoing study has revealed.
August 16, 2017: Nursing Standard
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