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https://www.readbyqxmd.com/read/28916568/perspective-the-paradox-in-dietary-advanced-glycation-end-products-research-the-source-of-the-serum-and-urinary-advanced-glycation-end-products-is-the-intestines-not-the-food
#1
Luanne R DeChristopher
Inconsistent research results have impeded our understanding of the degree to which dietary advanced glycation end products (dAGEs) contribute to chronic disease. Early research suggested that Western-style fast foods, including grilled and broiled meats and French fries, contain high levels of proinflammatory advanced glycation end products (AGEs). However, recent studies with state-of-the-art ultraperformance LC-tandem mass spectrometry (UPLC-MS) found that there is no evidence that these foods have elevated levels of dAGEs relative to other foods...
September 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28911330/extensive-transcriptomic-and-epigenomic-remodelling-occurs-during-arabidopsis-thaliana-germination
#2
Reena Narsai, Quentin Gouil, David Secco, Akanksha Srivastava, Yuliya V Karpievitch, Lim Chee Liew, Ryan Lister, Mathew G Lewsey, James Whelan
BACKGROUND: Seed germination involves progression from complete metabolic dormancy to a highly active, growing seedling. Many factors regulate germination and these interact extensively, forming a complex network of inputs that control the seed-to-seedling transition. Our understanding of the direct regulation of gene expression and the dynamic changes in the epigenome and small RNAs during germination is limited. The interactions between genome, transcriptome and epigenome must be revealed in order to identify the regulatory mechanisms that control seed germination...
September 15, 2017: Genome Biology
https://www.readbyqxmd.com/read/28904779/discriminating-patterns-and-drivers-of-multiscale-movement-in-herpetofauna-the-dynamic-and-changing-environment-of-the-mojave-desert-tortoise
#3
Giancarlo Sadoti, Miranda E Gray, Matthew L Farnsworth, Brett G Dickson
Changes to animal movement in response to human-induced changes to the environment are of growing concern in conservation. Most research on this problem has focused on terrestrial endotherms, but changes to herpetofaunal movement are also of concern given their limited dispersal abilities and specialized thermophysiological requirements. Animals in the desert region of the southwestern United States are faced with environmental alterations driven by development (e.g., solar energy facilities) and climate change...
September 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28901969/disorders-of-consciousness-after-severe-brain-injury-therapeutic-options
#4
Caroline Schnakers, Martin M Monti
PURPOSE OF REVIEW: Very few options exist for patients who survive severe traumatic brain injury but fail to fully recover and develop a disorder of consciousness (e.g. vegetative state, minimally conscious state). RECENT FINDINGS: Among pharmacological approaches, Amantadine has shown the ability to accelerate functional recovery. Although with very low frequency, Zolpidem has shown the ability to improve the level of consciousness transiently and, possibly, also in a sustained fashion...
September 9, 2017: Current Opinion in Neurology
https://www.readbyqxmd.com/read/28899674/pretreatment-of-agricultural-biomass-for-anaerobic-digestion-current-state-and-challenges
#5
REVIEW
Shukra Raj Paudel, Sushant Prasad Banjara, Oh Kyung Choi, Ki Young Park, Young Mo Kim, Jae Woo Lee
The anaerobic digestion (AD) of agricultural biomass is an attractive second generation biofuel with potential environmental and economic benefits. Most agricultural biomass contains lignocellulose which requires pretreatment prior to AD. For optimization, the pretreatment methods need to be specific to the characteristics of the biomass feedstock. In this review, cereal residue, fruit and vegetable wastes, grasses and animal manure were selected as the agricultural biomass candidates, and the fundamentals and current state of various pretreatment methods used for AD of these feedstocks were investigated...
September 1, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28898776/effect-of-electro-activated-solutions-of-sodium-acetate-and-sodium-propionate-on-geosmin-producing-streptomyces-avermitilis-strain
#6
Viacheslav Liato, Mohammed Aïder
Electro-activated solutions of salts of weak organic acids are defined as novel potent disinfecting agents that can be used in the agri-food industry. The aim of the present work is to study and understand the destruction mechanism of electro-activated solutions of sodium acetate (EAA) and sodium propionate (EAP) against Streptomyces avermitilis spores. The results of antibacterial activity showed high bacteriostatic effect for all the tested solutions, including sodium hypochlorite used as positive control...
September 6, 2017: Chemosphere
https://www.readbyqxmd.com/read/28894567/an-indicator-approach-to-capture-impacts-of-white-tailed-deer-and-other-ungulates-in-the-presence-of-multiple-associated-stressors
#7
Bernd Blossey, Andrea Dávalos, Victoria Nuzzo
Management of ungulates is contested ground that lacks stakeholder agreement on desirable population sizes and management approaches. Unfortunately, we often miss information about extent of local impacts, for example on plant communities, to guide management decisions. Typical vegetation impact assessments like the woody browse index do not assess herbaceous plants, and differences in browse severity can be a function of deer density, deer legacy effects, localized deer feeding preferences and/or differences in plant community composition...
September 2017: AoB Plants
https://www.readbyqxmd.com/read/28892850/evaluation-of-eoc-removal-processes-during-artificial-recharge-through-a-reactive-barrier
#8
Cristina Valhondo, Lurdes Martinez-Landa, Jesús Carrera, Carlos Ayora, Karsten Nödler, Tobias Licha
A reactive barrier that consisted of vegetable compost, iron oxide and clay was installed in an infiltration basin to enhance the removal of emerging organic compounds (EOCs) in the recharge water. First-order degradation rates and retardation factors were jointly estimated for 10 compounds using a multilayer reactive transport model, whose flow and conservative transport parameters were previously estimated using hydraulic head values and conservative tracer tests. Reactive transport parameters were automatically calibrated against the concentration of EOCs measured at nine monitoring points...
September 6, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28892566/brain-heart-interactions-reveal-consciousness-in-non-communicating-patients
#9
Federico Raimondo, Benjamin Rohaut, Athena Demertzi, Melanie Valente, Denis Engemann, Moti Salti, Diego Fernandez Slezak, Lionel Naccache, Jacobo D Sitt
Objective We here aimed at characterizing heart-brain interactions in patients with disorders of consciousness. We tested how this information impacts data-driven classification between unresponsive and minimally conscious patients. Methods A cohort of 127 patients in vegetative state/unresponsive wakefulness syndrome (VS/UWS, n=70) and minimally conscious state (MCS, n=57) were presented with the 'Local-Global' auditory oddball paradigm, which distinguishes two levels of processing: short-term deviation of local auditory regularities and global long-term rule violations...
September 11, 2017: Annals of Neurology
https://www.readbyqxmd.com/read/28891723/state-mandated-nutrition-physical-activity-and-screen-time-policies-in-child-care-centers
#10
Catherina Chang-Martinez, Nasar U Ahmed, Ruby A Natale, Sarah E Messiah
BACKGROUND: The child care center (CCC) environment presents opportunities for healthy weight promotion in preschoolers. Our study examined the current state of CCC adherence to nutrition, physical activity, and screen time legislative regulations and the differences in their adherence by center socioeconomic position (SEP: low, middle, high) in Miami-Dade County. METHOD: In 34 CCC, we used the Environment and Policy Assessment and Observation tool to evaluate nutrition, physical activity, and screen time practices during 1-school day...
September 1, 2017: Health Promotion Practice
https://www.readbyqxmd.com/read/28889400/are-children-playgrounds-safe-play-areas-inorganic-analysis-and-lead-isotope-ratios-for-contamination-assessment-in-recreational-brazilian-parks
#11
Ainara Gredilla, Silvia Fdez-Ortiz de Vallejuelo, Leticia Gomez-Nubla, Jose Antonio Carrero, Felipe B de Leão, Juan Manuel Madariaga, Luis F O Silva
In city playgrounds, there is a potential risk of harming children's health by contamination coming from anthropogenic activities. With the aim to determinate the sources and the risk of hazardous elements, soil samples were collected in 19 selected playgrounds of different urban and rural areas from the Rio Grande do Sul state (Brazil). The concentration of 23 metals and metalloids and lead isotopic ratios were determined by ICP-MS. The methodology proposed here, firstly, classified the parks according to the average metal content by means of the NWACs (Normalized-and-Weighted Average Concentrations) and assess the contamination risk determining the Contamination Factors (CFs)...
September 9, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28888823/comparing-percentages-and-ranks-of-adolescent-weight-related-outcomes-among-u-s-states-implications-for-intervention-development
#12
Jennifer L Moss, Benmei Liu, Li Zhu
Understanding statistical differences in states' percentages and ranks of adolescents meeting health behavior guidelines can guide policymaking. Data came from 531,777 adolescents (grades 9-12) who completed the Youth Risk Behavior Surveillance System survey in 2011, 2013, or 2015. We measured the percentage of adolescents in each state that met guidelines for physical activity, fruit and vegetable (F&V) consumption, and healthy weight status. Then we ranked states and calculated the ranks' 95% CI's using a Monte Carlo method with 100,000 simulations...
September 6, 2017: Preventive Medicine
https://www.readbyqxmd.com/read/28886187/evaluating-the-role-of-land-cover-and-climate-uncertainties-in-computing-gross-primary-production-in-hawaiian-island-ecosystems
#13
Heather L Kimball, Paul C Selmants, Alvaro Moreno, Steve W Running, Christian P Giardina
Gross primary production (GPP) is the Earth's largest carbon flux into the terrestrial biosphere and plays a critical role in regulating atmospheric chemistry and global climate. The Moderate Resolution Imaging Spectrometer (MODIS)-MOD17 data product is a widely used remote sensing-based model that provides global estimates of spatiotemporal trends in GPP. When the MOD17 algorithm is applied to regional scale heterogeneous landscapes, input data from coarse resolution land cover and climate products may increase uncertainty in GPP estimates, especially in high productivity tropical ecosystems...
2017: PloS One
https://www.readbyqxmd.com/read/28886032/emergence-phenology-uncertainty-and-the-evolution-of-migratory-behavior-in-anax-junius-odonata-aeshnidae
#14
Michael L May, John A Gregoire, Suzanne M Gregoire, Maria Aliberti Lubertazzi, John H Matthews
Mass migrations by Odonata, although less studied than those of Monarch butterflies and plague locusts, have provoked comment and study for many years. Relatively recently, increasing interest in dragonflies, supported by new technologies, has resulted in more detailed knowledge of the species involved, behavioral mechanisms, and geographic extent. In this paper we examine, in four independent but complementary studies, how larval habitat and emergence phenology interact with climate to shape the evolution of migratory strategy in Anax junius, a common species throughout much of the eastern United States and southern Canada...
2017: PloS One
https://www.readbyqxmd.com/read/28874159/a-critique-of-the-us-surgeon-general-s-conclusions-regarding-e-cigarette-use-among-youth-and-young-adults-in-the-united-states-of-america
#15
Riccardo Polosa, Christopher Russell, Joel Nitzkin, Konstantinos E Farsalinos
BACKGROUND: In December 2016, the Surgeon General published a report that concluded e-cigarette use among youth and young adults is becoming a major public health concern in the United States of America. METHODS: Re-analysis of key data sources on nicotine toxicity and prevalence of youth use of e-cigarettes cited in the Surgeon General report as the basis for its conclusions. RESULTS: Multiple years of nationally representative surveys indicate the majority of e-cigarette use among US youth is either infrequent or experimental, and negligible among never-smoking youth...
September 6, 2017: Harm Reduction Journal
https://www.readbyqxmd.com/read/28873689/liquid-chromatography-high-resolution-mass-spectrometry-for-the-analysis-of-phytochemicals-in-vegetal-derived-food-and-beverages
#16
REVIEW
Giorgia La Barbera, Anna Laura Capriotti, Chiara Cavaliere, Carmela Maria Montone, Susy Piovesana, Roberto Samperi, Riccardo Zenezini Chiozzi, Aldo Laganà
The recent years witnessed a change in the perception of nutrition. Diet does not only provide nutrients to meet the metabolic requirements of the body, but it also constitutes an active way for the consumption of compounds beneficial for human health. Fruit and vegetables are an excellent source of such compounds, thus the growing interest in characterizing phytochemical sources, structures and activities. Given the interest for phytochemicals in food, the development of advanced and suitable analytical techniques for their identification is fundamental for the advancement of food research...
October 2017: Food Research International
https://www.readbyqxmd.com/read/28873645/mechanisms-and-kinetics-of-heme-iron-nitrosylation-in-an-in-vitro-gastro-intestinal-model
#17
Diane de La Pomélie, Véronique Santé-Lhoutellier, Philippe Gatellier
Fresh red meat and cured meat consumption increases the risk of gastro-intestinal cancers and it is strongly suspected that nitrosylheme is implicated by stimulating the endogenous production of mutagenic aldehydes and N-nitroso compounds. To investigate the extent of endogenous heme iron nitrosylation an experimental in vitro model that mimics the physicochemical conditions of the gastro-intestinal tract was used in association with a mathematical model of chemical reaction kinetics. The combined effect of pH (from 7...
January 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/28870222/general-anesthetics-protects-against-cardiac-arrest-induced-brain-injury-by-inhibiting-calcium-wave-propagation-in-zebrafish
#18
Dao-Jie Xu, Bin Wang, Xuan Zhao, Yi Zheng, Jiu-Lin Du, Ying-Wei Wang
Cardiac arrest is a leading cause of death and disability worldwide. Although many victims are initially resuscitated, they often suffer from serious brain injury, even leading to a "persistent vegetative state". Therefore, it is need to explore therapies which restore and protect brain function after cardiac arrest. In the present study, using Tg (HuC:GCaMP5) zebrafish as a model, we found the zebrafish brain generated a burst of Ca(2+) wave after cardiac arrest by in vivo time-lapse confocal imaging. The Ca(2+) wave was firstly initiated at hindbrain and then sequentially propagated to midbrain and telencephalon, the neuron displayed Ca(2+) overload after Ca(2+) wave propagation...
September 4, 2017: Molecular Brain
https://www.readbyqxmd.com/read/28868674/a-new-species-of-astyanax-characiformes-characidae-from-dolina-%C3%A3-gua-milagrosa-rio-paraguai-basin-mato-grosso-brazil
#19
W J da Graça, C A M Oliveira, F C T Lima, H P da Silva, I M Fernandes
A new species of Astyanax is described from the upper Rio Paraguai basin, Mato Grosso State, Brazil. The new species can be distinguished from congeners by having the body intensely yellowish in life (v. silvery, reddish or lightly yellow) and by morphometric and meristics traits. Astyanax dolinae n. sp. cannot be assigned to any of the Astyanax species complex currently recognized for the genus. It is only known from the Dolina Água Milagrosa, a karstic sinkhole lake, entirely fed by groundwater, surrounded by Cerrado, the savannah-like vegetation of central South America...
September 4, 2017: Journal of Fish Biology
https://www.readbyqxmd.com/read/28866407/removal-of-emerging-organic-contaminants-in-a-poplar-vegetation-filter
#20
V Martínez-Hernández, M Leal, R Meffe, A de Miguel, C Alonso-Alonso, I de Bustamante, J Lillo, I Martín, J J Salas
Vegetation filters (VFs), a type of land application system, are a robust technology based on natural treatment mechanisms for the removal of wastewater contaminants. Their capacity to attenuate emerging organic contaminants (EOCs) has not yet been evaluated. The present study reports the results of a 2-year EOC monitoring carried out using a poplar VF receiving wastewater primarily treated by an Imhoff tank. The compounds selected included analgesics, a β-adrenergic blocker, stimulants, an anticonvulsant, an anti-depressant, an anti-inflammatory, an antibiotic and analgesic and stimulant metabolites...
August 24, 2017: Journal of Hazardous Materials
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