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https://www.readbyqxmd.com/read/28324688/estimating-doses-from-aboriginal-bush-foods-post-remediation-of-a-uranium-mine
#1
Che Doering, Andreas Bollhöfer, Peter Medley
This paper presents a calculator to facilitate assessments of ingestion doses from Aboriginal bush foods. The calculator combines information on traditional diet and land use with radionuclide concentration ratios and ingestion dose coefficients to estimate doses. The calculator was applied to the planned remediation of Ranger uranium mine to derive a set of scaling factors between radionuclide activity concentrations in environmental media and ingestion dose from bush foods. The scaling factors can be used to estimate doses from bush foods once the post-remediation radiological conditions of the mine and surrounding environment are known...
March 18, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/28324105/thyroid-hormone-dependent-epigenetic-regulation-of-melanocortin-4-receptor-levels-in-female-offspring-of-obese-rats
#2
T Tabachnik, T Kisliouk, A Marco, N Meiri, A Weller
Maternal obesity is a risk factor for offspring obesity. Melanocortin 4 receptor (Mc4r) is one of the mediators of food intake and energy balance. This study examines epigenetic mechanisms underlying altered Mc4r levels in the hypothalamic paraventricular nucleus in offspring of high-fat diet (HFD)-induced obese dams, and aims to elucidate the role of thyroid hormones in epigenetic regulation and tagging of their nucleosome at the Mc4r promoter. Female Wistar rats were fed HFD or chow from weaning through gestation and lactation...
January 9, 2017: Endocrinology
https://www.readbyqxmd.com/read/28323970/obesity-modulates-inflammation-and-lipid-metabolism-oocyte-gene-expression-a-single-cell-transcriptome-perspective
#3
Meghan L Ruebel, Matthew Cotter, Clark R Sims, Dean M Moutos, Thomas M Badger, Mario A Cleves, Kartik Shankar, Aline Andres
Context: It is hypothesized that obesity adversely affects the ovarian environment which can disrupt oocyte maturation and may further impact embryonic development. Objective: This study aimed to compare oocyte gene expression profiles and follicular fluid (FF) content from overweight/obese (OW) women and normal weight (NW) women who were undergoing fertility treatments. Design: Using single cell transcriptomic analyses, we investigated oocyte gene expression using RNA-seq...
March 15, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28316254/plant-protein-based-feeds-and-commercial-feed-enable-isotopic-tracking-of-aquaculture-emissions-into-marine-macrozoobenthic-bioindicator-species
#4
Henrik Kusche, Nicola Hillgruber, Yvonne Rößner, Ulfert Focken
Brittle stars (Ophiura spp.) and other benthic macrofauna were collected in a prospective mariculture area in the North Sea to determine if these taxa could be used as indicator species to track nutrients released from future offshore aquaculture sites. We analysed natural carbon and nitrogen stable isotopic signatures in tissues from macrofauna and compared these to six feed ingredients and four experimental diets made thereof, as well as to a commercial feed with and without lipid and carbonate removal. Our data suggest practicability of using isotopic signatures of Ophiura spp...
March 20, 2017: Isotopes in Environmental and Health Studies
https://www.readbyqxmd.com/read/28315887/flavor-and-taste-development-in-the-first-years-of-life
#5
Erin Sundseth Ross
Across the first four years of life, infants transition from a diet of liquids to solid foods. Flavor preferences affect the acceptance of novel foods. Fetuses experience flavors in the uterine environment, and some preferences appear to be innate. Sweet and salty foods tend to be accepted by most newborns, while bitter tastes are rejected. Breast fed infants appear to have an advantage over formula fed infants, as their exposure to a varying flavor profile is influenced by the mother's diet. Infants are fairly accepting of novel foods, but rejection of new foods increases across the initial years of life...
2017: Nestlé Nutrition Institute Workshop Series
https://www.readbyqxmd.com/read/28315392/dietary-yeast-sterigmatomyces-halophilus-enhances-mucosal-immunity-of-gilthead-seabream-sparus-aurata-l
#6
Martha Reyes-Becerril, Crystal Guluarte, Diana Ceballos-Francisco, Carlos Angulo, M Ángeles Esteban
A yeast was isolated from hypersaline sediments, grown and phylogenetically characterized as Sterigmatomyces halophilus strainN16. The dietary administration of this yeast was studied for its effect on skin mucosal immune and antioxidant status of gilthead seabream (Sparus aurata L.). Fish were fed a commercial diet (control, non-supplemented diet), or the same commercial diet supplemented with 0.55% or 1.1% of yeast for 15 and 30 days. One month after the end of the trial, fish from all treatments were intraperitoneally injected with pathogenic Vibrio parahaemolyticus and further fed with the same diets for one week, after which fish were also sampled...
March 14, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28314903/diatoms-in-drowning-cases-in-forensic-veterinary-context-a-preliminary-study
#7
Nadia Fucci, Carlo P Campobasso, L Mastrogiuseppe, C Puccinelli, S Marcheggiani, L Mancini, L Marino, V L Pascali
In this preliminary study, a digestive method used in forensic context to extract diatoms has been applied in organs taken from ten wildlife animals belonging three species of mammals (a deer, a roe and five otters) and one species of birds (two magpies). Only four carcasses were recovered from aquatic environments (bath trough for animals, bathtub irrigation, river) and only in three cases out of ten that the cause of death was ruled out as drowning. In seven cases, the death was due to other causes: gunshot injuries for one otter, blunt trauma for a magpie, and traumatic injuries followed by motor vehicle collision in other four otters and a roe...
March 17, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28302649/endothelial-protective-monocyte-patrolling-in-large-arteries-intensified-by-western-diet-and-atherosclerosis
#8
Amado Quintar, Sara McArdle, Dennis Wolf, Alex Marki, Erik Ehinger, Melanie Vassallo, Jacqueline F Miller, Zbigniew Mikulski, Klaus Ley, Konrad Buscher
Rationale: Non-classical mouse monocyte (CX3CR1(high), Ly-6C(low)) patrolling along the vessels of the microcirculation is critical for endothelial homeostasis and inflammation. Due to technical challenges it is currently not established how patrolling occurs in large arteries. Objective: This study was undertaken to elucidate the molecular, migratory and functional phenotype of patrolling monocytes in the high shear and pulsatile environment of large arteries in healthy, hyperlipidemic and atherosclerotic conditions...
March 16, 2017: Circulation Research
https://www.readbyqxmd.com/read/28301844/the-placenta-maternal-diet-and-adipose-tissue-development-in-the-newborn
#9
Michael E Symonds, Ian Bloor, Shalini Ojha, Helen Budge
BACKGROUND: A majority of adipose tissue present in the newborn possess the unique mitochondrial protein, uncoupling protein (UCP1). It is thus highly metabolically active and capable of producing 300 times more heat per unit mass than any other organ in the body. The extent to which maternal obesity and/or an obesogenic diet impacts on placental function thereby resetting the relative distribution of different types of fat in the fetus is unknown. SUMMARY: Developmentally the majority (if not all) fat in the fetus can be considered as classical brown fat, in which UCP1 is highly abundant...
March 17, 2017: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/28301146/effect-of-whole-grain-qingke-tibetan-hordeum-vulgare-l-zangqing-320-on-the-serum-lipid-levels-and-intestinal-microbiota-of-rats-under-high-fat-diet
#10
Xuejuan Xia, Guannan Li, Yongbo Ding, Tingyuan Ren, Jiong Zheng, Jianquan Kan
This study investigated the hypolipidemic effect of whole grain Qingke (WGQ) and its influence on intestinal microbiota. Changes in the serum lipid, intestinal environment, and microbiota of Sprague-Dawley rats fed high-fat diets supplemented with different doses of WGQ were determined. Results showed that high doses of WGQ significantly decreased (P < 0.05) the Lee's index, serum total cholesterol, low-density lipoprotein cholesterol, and non-high-density lipoprotein cholesterol levels whereas increased the body weight of the rats...
March 16, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28300220/effects-of-gliadin-consumption-on-the-intestinal-microbiota-and-metabolic-homeostasis-in-mice-fed-a-high-fat-diet
#11
Li Zhang, Daniel Andersen, Henrik Munch Roager, Martin Iain Bahl, Camilla Hartmann Friis Hansen, Niels Banhos Danneskiold-Samsøe, Karsten Kristiansen, Ilinca Daria Radulescu, Christian Sina, Henrik Lauritz Frandsen, Axel Kornerup Hansen, Susanne Brix, Lars I Hellgren, Tine Rask Licht
Dietary gluten causes severe disorders like celiac disease in gluten-intolerant humans. However, currently understanding of its impact in tolerant individuals is limited. Our objective was to test whether gliadin, one of the detrimental parts of gluten, would impact the metabolic effects of an obesogenic diet. Mice were fed either a defined high-fat diet (HFD) containing 4% gliadin (n = 20), or a gliadin-free, isocaloric HFD (n = 20) for 23 weeks. Combined analysis of several parameters including insulin resistance, histology of liver and adipose tissue, intestinal microbiota in three gut compartments, gut barrier function, gene expression, urinary metabolites and immune profiles in intestinal, lymphoid, liver and adipose tissues was performed...
March 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28298596/dietary-restriction-increases-variability-in-longevity
#12
A M Senior, S Nakagawa, D Raubenheimer, S J Simpson, D W A Noble
Nutritional environments, particularly those experienced during early life, are hypothesized to affect longevity. A recent cross-taxa meta-analysis found that, depending upon circumstance, average longevity may be increased or decreased by early-life dietary restriction. Unstudied are the effects of diet during development on among-individual variance in longevity. Here, we address this issue using emerging methods for meta-analysis of variance. We found that, in general, standard deviation (s.d.) in longevity is around 8% higher under early-life dietary restriction than a standard diet...
March 2017: Biology Letters
https://www.readbyqxmd.com/read/28298276/early-life-nutritional-programming-of-cognition-the-fundamental-role-of-epigenetic-mechanisms-in-mediating-the-relation-between-early-life-environment-and-learning-and-memory-process
#13
REVIEW
Laura Moody, Hong Chen, Yuan-Xiang Pan
The perinatal period is a window of heightened plasticity that lays the groundwork for future anatomic, physiologic, and behavioral outcomes. During this time, maternal diet plays a pivotal role in the maturation of vital organs and the establishment of neuronal connections. However, when perinatal nutrition is either lacking in specific micro- and macronutrients or overloaded with excess calories, the consequences can be devastating and long lasting. The brain is particularly sensitive to perinatal insults, with several neurologic and psychiatric disorders having been linked to a poor in utero environment...
March 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28292531/stress-overeating-and-obesity-insights-from-human-studies-and-preclinical-models
#14
REVIEW
Maria Razzoli, Carolyn Pearson, Scott Crow, Alessandro Bartolomucci
Eating disorders and obesity have become predominant in human society. Their association to modern lifestyle, encompassing calorie-rich diets, psychological stress, and comorbidity with major diseases are well documented. Unfortunately the biological basis remains elusive and the pharmacological treatment inadequate, in part due to the limited availability of valid animal models. Human research on binge eating disorder (BED) proves a strong link between stress exposure and bingeing: state-levels of stress and negative affect are linked to binge eating in individuals with BED both in laboratory settings and the natural environment...
March 11, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28290343/a-giant-urinary-bladder-stone-in-the-mummy-of-lebanese-maronite-patriarch-joseph-tyan-1760-1820-and-its-environmental-and-nutritional-implications
#15
L Capasso, M Licata, A Pinto, F Fernianos, T Azizi, L Manzoli, D Centrella, R D'anastasio
INTRODUCTION: Historical sources and anthropological investigations, with the indispensable support of radiology, bring to light pathological evidence of the past. CASE PRESENTATION: The purpose of this article is to present the radiological investigation conducted on the mummy of the Maronite Joseph Tyan (1760-1820), a famous patriarch who guided the Lebanese Maronite community during a critical period of its history. The natural mummy of the Patriarch was temporarily removed from its burial site to certify the degree of preservation...
February 2017: Radiography
https://www.readbyqxmd.com/read/28289566/differential-attraction-of-drosophilids-to-banana-baits-inoculated-with-saccharomyces-cerevisiae-and-hanseniaspora-uvarum-within-a-neotropical-forest-remnant
#16
Marcos R D Batista, Fabiana Uno, Rafael D Chaves, Rosana Tidon, Carlos A Rosa, Louis B Klaczko
BACKGROUND: Yeasts are a necessary requisite in the diet of most Drosophila species that, in turn, may vector their dispersal in natural environments. Differential attractiveness experiments and the isolation of yeasts consumed by Drosophila may be informative for characterizing this association. Hanseniaspora uvarum is among the most common yeast species isolated from Drosophila crops, with high attractiveness to drosophilids. Saccharomyces cerevisiae has been widely used to collect flies, and it allows broad sampling of almost all local Drosophila species...
2017: PeerJ
https://www.readbyqxmd.com/read/28285647/diet-induced-obesity-has-an-influence-on-intrahepatic-t-cell-responses
#17
Pratibha Gaur, Marcin Cebula, Mathias Riehn, Upneet Hillebrand, Hansjörg Hauser, Dagmar Wirth
AIM: Obesity is accompanied with systemic inflammation and pre-conditions to severe alterations in liver environment and functions. So far, it remains elusive to which extent obesity modulates immune responses during hepatotropic virus infections as well as in autoimmune hepatitis. In this study we investigated the influence of obesity on the intrahepatic immune response, in particular on the function of CD8 T cells as the crucial players in clearance of virus infected hepatocytes. METHODS: We established high fat induced obesity in transgenic mouse models with hepatocyte specific expression of a model antigen (Ova)...
April 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28283254/comparison-of-the-availability-and-cost-of-foods-compatible-with-a-renal-diet-versus-an-unrestricted-diet-using-the-nutrition-environment-measures-survey
#18
Catherine M Sullivan, Julie A Pencak, Darcy A Freedman, Anne M Huml, Janeen B León, Jeanette Nemcek, Jacqueline Theurer, Ashwini R Sehgal
OBJECTIVE: Hemodialysis patients' ability to access food that is both compatible with a renal diet and affordable is affected by the local food environment. Comparisons of the availability and cost of food items suitable for the renal diet versus a typical unrestricted diet were completed using the standard Nutrition Environment Measures Survey and a renal diet-modified Nutrition Environment Measures Survey. DESIGN: Cross-sectional study. SETTING: Twelve grocery stores in Northeast Ohio...
March 7, 2017: Journal of Renal Nutrition
https://www.readbyqxmd.com/read/28282940/the-health-and-working-conditions-of-women-employed-in-child-care
#19
Laura Linnan, Gabriela Arandia, Lori A Bateman, Amber Vaughn, Natalie Smith, Dianne Ward
Over one million women are employed in child care and are among the lowest wage workers in the US. The health and working conditions of 674 child care workers (118 administrators and 556 staff) from 74 centers is described using baseline data from a larger intervention trial. Participants were 39.9 (±13.0) years old; 55.4% African American, 37.1% Caucasian, and 5.3% of Hispanic ethnicity. Seventy-six percent reported having an Associate's degree or less; 42% were classified as at or below poverty (<$20,000); and exhibited many health risks such as excess weight, insufficient activity, poor diet, and inadequate sleep...
March 9, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28281659/atmospheric-pressure-chemical-ionization-gas-chromatography-mass-spectrometry-for-the-analysis-of-selected-emerging-brominated-flame-retardants-in-foods
#20
Surong Lv, Yumin Niu, Jing Zhang, Bing Shao, Zhenxia Du
Emerging brominated flame retardants (eBFRs) other than polybrominated diphenyl ethers (PBDEs), polybrominated biphenyls (PBBs) and their derivatives in foods have been in focus in recent years due to their increasing production volumes, indefinite information on toxicities and the lack of data on occurrence in environments, foods as well as humans. In this study, gas chromatography was coupled to an atmospheric pressure chemical ionization-tandem mass spectrometry (APGC-MS/MS) for the analysis of six eBFRs in pork, chicken, egg, milk and fish...
March 10, 2017: Scientific Reports
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