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https://www.readbyqxmd.com/read/28107044/quercetin-attenuates-cell-survival-inflammation-and-angiogenesis-via-modulation-of-akt-signaling-in-murine-t-cell-lymphoma
#1
Akhilendra Kumar Maurya, Manjula Vinayak
AKT signaling is important to maintaining normal physiology. Hyperactivation of AKT signaling is frequent in cancer, which maintains a high oxidative state in a tumor microenvironment that is needed for tumor adaptation. Therefore, antioxidants are proposed to exhibit anticancer properties by interfering with the tumor microenvironment. Quercetin is an ubiquitous bioactive antioxidant rich in vegetables and beverages. The present study aimed to analyze cancer preventive property of quercetin in ascite cells of Dalton's lymphoma-bearing mice...
January 20, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28103211/notes-from-the-field-hantavirus-pulmonary-syndrome-in-a-migrant-farm-worker-colorado-2016
#2
Grace Marx, Kaylan Stinson, Monte Deatrich, Bernadette Albanese
On August 8, 2016, Tri-County Health Department (Adams, Arapahoe, and Douglas counties) in Colorado was notified of a confirmed case of hantavirus pulmonary syndrome (HPS). The patient was a previously healthy male migrant farm worker aged 25 years, living in farm quarters, and working in vegetable fields for 8 weeks before symptom onset. On July 20, he experienced sudden onset of fever, severe headache, myalgias, cough, and nosebleed. He was evaluated at an emergency department on July 23, where his temperature was 103...
January 20, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28102097/familiar-auditory-sensory-training-in-chronic-traumatic-brain-injury-a-case-study
#3
Emily Galassi Sullivan, Ann Guernon, Brett Blabas, Amy A Herrold, Theresa L-B Pape
PURPOSE: The evaluation and treatment for patients with prolonged periods of seriously impaired consciousness following traumatic brain injury (TBI), such as a vegetative or minimally conscious state, poses considerable challenges, particularly in the chronic phases of recovery. METHOD: This blinded crossover study explored the effects of familiar auditory sensory training (FAST) compared with a sham stimulation in a patient seven years post severe TBI. Baseline data were collected over 4 weeks to account for variability in status with neurobehavioral measures, including the Disorders of Consciousness scale (DOCS), Coma Near Coma scale (CNC), and Consciousness Screening Algorithm...
January 19, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28097180/the-role-of-nurses-in-coping-process-of-family-caregivers-of-vegetative-patients-a-qualitative-study
#4
Zahra Imanigoghary, Hamid Peyrovi, Esmat Nouhi, Majid Kazemi
BACKGROUND: Vegetative state (VS) occurs through return of the brain stem after coma state. After hospital discharge, responsibility of caring for VS patients is transferred to their families, which causes a high burden on them. Nurses have an important role in helping the family caregivers to meet their needs and cope with difficulties. To explore the role of nurses during coping process of family caregivers of VS patients. METHODS: This study is a part of a larger qualitative study which was performed in Kerman province, Iran during 2014- 2015...
January 2017: International Journal of Community Based Nursing and Midwifery
https://www.readbyqxmd.com/read/28095419/prc2-represses-hormone-induced-somatic-embryogenesis-in-vegetative-tissue-of-arabidopsis-thaliana
#5
Iva Mozgová, Rafael Muñoz-Viana, Lars Hennig
Many plant cells can be reprogrammed into a pluripotent state that allows ectopic organ development. Inducing totipotent states to stimulate somatic embryo (SE) development is, however, challenging due to insufficient understanding of molecular barriers that prevent somatic cell dedifferentiation. Here we show that Polycomb repressive complex 2 (PRC2)-activity imposes a barrier to hormone-mediated transcriptional reprogramming towards somatic embryogenesis in vegetative tissue of Arabidopsis thaliana. We identify factors that enable SE development in PRC2-depleted shoot and root tissue and demonstrate that the establishment of embryogenic potential is marked by ectopic co-activation of crucial developmental regulators that specify shoot, root and embryo identity...
January 17, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28094097/diverse-genotypes-of-bradyrhizobium-nodulate-herbaceous-chamaecrista-moench-fabaceae-caesalpinioideae-species-in-brazil
#6
José Miguel Ferreira Dos Santos, Patricia Alves Casaes Alves, Verônica Cordeiro Silva, Mariana Ferreira Kruschewsky Rhem, Euan K James, Eduardo Gross
The genus Chamaecrista comprises more than 330 species which are mainly distributed across tropical America, especially in Brazil (256 spp.), the main center of radiation. In this study, nodulation of herbaceous Chamaecrista species that are commonly found growing in different vegetation types in the north eastern Brazilian state of Bahia was assessed together with the diversity of rhizobia isolated from their root nodules. Genetic characterization of the isolates was performed using molecular markers to examine the phylogeny of their "core" (16S rRNA, ITS, recA, glnII, dnaK and gyrB) and symbiosis-related (nifH, nodC) genomes...
January 10, 2017: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/28093373/improved-arousal-and-motor-function-using-zolpidem-in-a-patient-with-space-occupying-intracranial-lesions-a-case-report
#7
Martin Nicholas Bomalaski, Sean Robinson Smith
Patients with disorders of consciousness (DOC) have profound functional limitations with few treatment options for improving arousal and quality of life. Zolpidem is a non-benzodiazepine hypnotic used to treat insomnia that has also been observed to paradoxically improve arousal in those with DOC, such as the vegetative or minimally conscious states (MCS). There is little information on its use in DOC patients with intracranial space occupying lesions. We present a case of a 24year old man in a MCS due to CNS lymphoma who was observed to have increased arousal and improved motor function following administration of zolpidem...
January 13, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28091927/effect-of-new-antiviral-agent-camphecin-on-behavior-of-mice
#8
A V Babina, V A Lavrinenko, O I Yarovaya, N F Salakhutdinov
We studied the effect of camphecin (1,7,7-trimethylbicyclo[2.2.1]heptan-2-ylidene-aminoethanol) on mouse behavior in the open-field test. Camphecin possesses antiviral activity and inhibits viral replication, but its influence on the nervous system is poorly studied. Single camphecin injection produced no significant changes in behavioral patterns. Chronic camphecin administration (5 times over 2 weeks) to mice of different strains had no significant influence on open field behavior (motor, exploratory activity, anxiety, emotional state and vegetative functions)...
January 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28088724/the-effect-of-urban-growth-on-landscape-scale-restoration-for-a-fire-dependent%C3%A2-songbird
#9
Bradley A Pickens, Jeffrey F Marcus, John P Carpenter, Scott Anderson, Paul J Taillie, Jaime A Collazo
A landscape-scale perspective on restoration ecology has been advocated, but few studies have informed restoration with landscape metrics or addressed broad-scale threats. Threats such as urban growth may affect restoration effectiveness in a landscape context. Here, we studied longleaf pine savanna in the rapidly urbanizing southeastern United States where a habitat-specialist bird, Bachman's sparrow (Peucaea aestivalis), is closely associated with savanna vegetation structure and frequent fire. Our objectives were to construct a species distribution model for Bachman's sparrow, determine the relationship between fire and urbanization, quantify the urban growth effect (2010-2090), identify potential restoration areas, and determine the interaction between restoration potential and urban growth by 2050...
January 12, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28086921/a-randomized-controlled-trial-focusing-on-socio-economic-status-for-promoting-vegetable-intake-among-adults-using-a-web-based-nutrition-intervention-programme-study-protocol
#10
Saki Nakamura, Takayo Inayama, Takashi Arao
BACKGROUND: Web-based nutritional education programmes appear to be comparable to those delivered face-to-face. However, no existing web-based nutrition education or similar programme has yet been evaluated with consideration of socio-economic status. The objective of a nutritional education programme of promoting vegetable intake designed a randomized controlled trial (RCT) is to evaluate the results of intervention and to determine how socio-economic status influences the programme effects...
January 13, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28077113/a-possible-dose-response-association-between-distance-to-farmers-markets-and-roadside-produce-stands-frequency-of-shopping-fruit-and-vegetable-consumption-and-body-mass-index-among-customers-in-the-southern-united-states
#11
Stephanie B Jilcott Pitts, Jedediah Hinkley, Qiang Wu, Jared T McGuirt, Mary Jane Lyonnais, Ann P Rafferty, Olivia R Whitt, Nancy Winterbauer, Lisa Phillips
BACKGROUND: The association between farmers' market characteristics and consumer shopping habits remains unclear. Our objective was to examine associations among distance to farmers' markets, amenities within farmers' markets, frequency of farmers' market shopping, fruit and vegetable consumption, and body mass index (BMI). We hypothesized that the relationship between frequency of farmers' market shopping and BMI would be mediated by fruit and vegetable consumption. METHODS: In 15 farmers' markets in northeastern North Carolina, July-September 2015, we conducted a cross-sectional survey among 263 farmers' market customers (199 provided complete address data) and conducted farmers' market audits...
January 11, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28073976/effects-of-carriers-emulsifiers-and-biopesticides-for-direct-silk-treatments-on-caterpillar-feeding-damage-and-ear-development-in-sweet-corn
#12
P J Westgate, B B Schultz, R V Hazzard
In the northeastern United States, control of Lepidopteran pests of sweet corn, particularly corn earworm [Helicoverpa zea (Boddie)], is difficult using organic methods. The direct application of corn oil and Bacillus thuringiensis (Bt) to corn silk has been shown to reduce ear damage from corn earworm in past studies; these studies sought to optimize this method by evaluating additional carrier and biopesticide mixtures that comply with the United States Federal Insecticide, Fungicide, and Rodenticide Act and National Organic Standards...
January 10, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28070322/carotenoid-profiling-of-the-leaves-of-selected-african-eggplant-accessions-subjected-to-drought-stress
#13
Elias K Mibei, Jane Ambuko, James J Giovannoni, Arnold N Onyango, Willis O Owino
African eggplants (Solanum aethiopicum and S. macrocarpon) are among the most economically important and valuable vegetable and fruit crops. They are a major source of biologically active nutritional substances and metabolites which are essential for plant growth, development, stress adaptation and defense. Among these metabolites are the carotenoids which act as accessory pigments for photosynthesis and precursor to plant hormones. Though African eggplants are known to be resistant to various abiotic stresses, the effect of these stresses on secondary metabolites has not been well defined...
January 2017: Food Science & Nutrition
https://www.readbyqxmd.com/read/28067770/assessment-of-pansharpening-methods-applied-to-worldview-2-imagery-fusion
#14
Hui Li, Linhai Jing, Yunwei Tang
Since WorldView-2 (WV-2) images are widely used in various fields, there is a high demand for the use of high-quality pansharpened WV-2 images for different application purposes. With respect to the novelty of the WV-2 multispectral (MS) and panchromatic (PAN) bands, the performances of eight state-of-art pan-sharpening methods for WV-2 imagery including six datasets from three WV-2 scenes were assessed in this study using both quality indices and information indices, along with visual inspection. The normalized difference vegetation index, normalized difference water index, and morphological building index, which are widely used in applications related to land cover classification, the extraction of vegetation areas, buildings, and water bodies, were employed in this work to evaluate the performance of different pansharpening methods in terms of information presentation ability...
January 5, 2017: Sensors
https://www.readbyqxmd.com/read/28066129/a-multi-year-estimate-of-methane-fluxes-in-alaska-from-carve-atmospheric-observations
#15
Scot M Miller, Charles E Miller, Roisin Commane, Rachel Y-W Chang, Steven J Dinardo, John M Henderson, Anna Karion, Jakob Lindaas, Joe R Melton, John B Miller, Colm Sweeney, Steven C Wofsy, Anna M Michalak
Methane (CH4) fluxes from Alaska and other arctic regions may be sensitive to thawing permafrost and future climate change, but estimates of both current and future fluxes from the region are uncertain. This study estimates CH4 fluxes across Alaska for 2012-2014 using aircraft observations from the Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE) and a geostatistical inverse model (GIM). We find that a simple flux model based on a daily soil temperature map and a static map of wetland extent reproduces the atmospheric CH4 observations at the state-wide, multi-year scale more effectively than global-scale, state-of-the-art process-based models...
October 2016: Global Biogeochemical Cycles
https://www.readbyqxmd.com/read/28063178/landscape-genetics-indicate-recently-increased-habitat-fragmentation-in-african-forest-associated-chafers
#16
Jonas Eberle, Dennis Rödder, Marc Beckett, Dirk Ahrens
Today, indigenous forests cover less than 0.6% of South Africa's land surface and are highly fragmented. Most forest relicts are very small and typically occur in fire-protected gorges along the eastern Great Escarpment. Yet, they hold a unique and valuable fauna with high endemism and ancient phylogenetic lineages, fostered by long term climatic stability and complex micro-climates. Despite numerous studies on southern African vegetation cover, the current state of knowledge about the natural extension of indigenous forests is rather fragmentary...
January 7, 2017: Global Change Biology
https://www.readbyqxmd.com/read/28057342/manganese-and-mn-ca-ratios-in-soil-and-vegetation-in-forests-across-the-northeastern-us-insights-on-spatial-mn-enrichment
#17
J B Richardson
Manganese (Mn) cycling in the Critical Zone is important because of its role as an essential nutrient and potential toxicity to plants and organisms. Quantifying Mn enrichment in terrestrial environments has been limited since Mn is monoisotopic. However, elemental ratios of Mn/Ca ratios may be used to determine spatial Mn enrichment and in aboveground and belowground pools. The objectives of this study were to quantify the spatial variation in Mn concentrations and Mn/Ca ratios in foliage, bolewood, forest floor, and mineral soil horizons across the northeastern United States and compare Mn/Ca ratios to estimate enrichment...
January 2, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28057338/effects-of-local-factors-and-climate-on-permafrost-conditions-and-distribution-in-beiluhe-basin-qinghai-tibet-plateau-china
#18
Guoan Yin, Fujun Niu, Zhanju Lin, Jing Luo, Minghao Liu
Beiluhe basin is underlain by warm and ice-rich permafrost, and covered by vegetation and soils characteristic of the Qinghai-Tibet Plateau. A field monitoring network was established to investigate permafrost conditions and to assess potential impacts of local factors and climate change. This paper describes the spatial variations in permafrost conditions from instrumented boreholes, controlling environmental factors, and recent thermal evolution of permafrost in the basin. The study area was divided into 10 ecotypes using satellite imagery based classification...
January 2, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28049144/molecular-diffusion-through-cyanobacterial-septal-junctions
#19
Mercedes Nieves-Morión, Conrad W Mullineaux, Enrique Flores
: Heterocyst-forming cyanobacteria grow as filaments in which intercellular molecular exchange takes place. During the differentiation of N2-fixing heterocysts, regulators are transferred between cells. In the diazotrophic filament, vegetative cells that fix CO2 through oxygenic photosynthesis provide the heterocysts with reduced carbon and heterocysts provide the vegetative cells with fixed nitrogen. Intercellular molecular transfer has been traced with fluorescent markers, including calcein, 5-carboxyfluorescein, and the sucrose analogue esculin, which are observed to move down their concentration gradient...
January 3, 2017: MBio
https://www.readbyqxmd.com/read/28042601/the-current-state-of-knowledge-on-the-interaction-of-escherichia-coli-within-vegetative-filter-strips-as-a-sustainable-best-management-practice-to-reduce-fecal-pathogen-loading-into-surface-waters
#20
Casianes Owino Olilo, Anastasia Wairimu Muia, Wilkister Nyaora Moturi, Japhet Ogalo Onyando, Ford Roegner Amber
Agro-pastoral operations have the potential to threaten public health with loading of diverse pathogens into surface waters through overland flow; increasing awareness of the limitations of fecal indicators has led to development of a number of advancements in detection, source tracking and predictive modeling of public health risk. These tools and techniques are beginning to be integrated into management strategies. The objective of this review was to determine the status of current knowledge and challenges of the fate and transport of Escherichia coli in overland flow and their interaction within vegetative filter strip (VFS) as one of these implemented best management practices and to critically evaluate its use in that setting as an indicator organism...
August 2016: Energy Ecol Environ
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