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https://www.readbyqxmd.com/read/28212523/redox-regulation-in-metabolic-programming-and-inflammation
#1
REVIEW
Helen R Griffiths, Dan Gao, Chathyan Pararasa
Energy metabolism and redox state are intrinsically linked. In order to mount an adequate immune response, cells must have an adequate and rapidly available energy resource to migrate to the inflammatory site, to generate reactive oxygen species using NADPH as a cofactor and to engulf bacteria or damaged tissue. The first responder cells of the innate immune response, neutrophils, are largely dependent on glycolysis. Neutrophils are relatively short-lived, dying via apoptosis in the process of bacterial killing through production of hypochlorous acid and release of extracellular NETs...
February 12, 2017: Redox Biology
https://www.readbyqxmd.com/read/28212462/climate-change-contaminant-interactions-in-marine-food-webs-towards-a-conceptual-framework
#2
Juan José Alava, William W L Cheung, Peter S Ross, Rashid U Sumaila
Climate change is reshaping the way in which contaminants move through the global environment, in large part by changing the chemistry of the oceans and affecting the physiology, health and feeding ecology of marine biota. Climate change-associated impacts on structure and function of marine food webs, with consequent changes in contaminant transport, fate and effects, is likely to have significant repercussions to those human populations that rely on fisheries resources for food, recreation or culture. Published studies on climate change-contaminant interactions with a focus on food web bioaccumulation were systematically reviewed to explore how climate change and ocean acidification may impact contaminant levels in marine food webs...
February 17, 2017: Global Change Biology
https://www.readbyqxmd.com/read/28212448/hepatic-transcriptome-analysis-and-identification-of-differentially-expressed-genes-response-to-dietary-oxidized-fish-oil-in-loach-misgurnus-anguillicaudatus
#3
Yin Zhang, Yang Li, Xiao Liang, Xiaojuan Cao, Longfei Huang, Jie Yan, Yanxing Wei, Jian Gao
RNA sequencing and short-read assembly were utilized to produce a transcriptome of livers from loaches (Misgurnus anguillicaudatus) fed with three different diets respectively containing fresh fish oil (FO group), medium oxidized fish oil (MO group) and high oxidized fish oil (HO group). A total of 60,663 unigenes were obtained in this study, with mean length 848.74 bp. 50,814, 49,584 and 49,814 unigenes were respectively obtained from FO, MO and HO groups. There were 2,343 differentially expressed genes between FO and MO, with 855 down- and 1,488 up-regulated genes in the MO group...
2017: PloS One
https://www.readbyqxmd.com/read/28212426/sustainability-of-common-pool-resources
#4
Raja Rajendra Timilsina, Koji Kotani, Yoshio Kamijo
Sustainability has become a key issue in managing natural resources together with growing concerns for capitalism, environmental and resource problems. We hypothesize that the ongoing modernization of competitive societies, which we refer to as "capitalism," affects human nature for utilizing common pool resources, thus compromising sustainability. To test this hypothesis, we design and implement a set of dynamic common pool resource games and experiments in the following two types of Nepalese areas: (i) rural (non-capitalistic) and (ii) urban (capitalistic) areas...
2017: PloS One
https://www.readbyqxmd.com/read/28212421/a-low-cost-dac-bist-structure-using-a-resistor-loop
#5
Jaewon Jang, Heetae Kim, Sungho Kang
This paper proposes a new DAC BIST (digital-to-analog converter built-in self-test) structure using a resistor loop known as a DDEM ADC (deterministic dynamic element matching analog-to-digital converter). Methods for both switch reduction and switch effect reduction are proposed for solving problems related to area overhead and accuracy of the conventional DAC BIST. The proposed BIST modifies the length of each resistor in the resistor loop via a merging operation and reduces the number of switches and resistors...
2017: PloS One
https://www.readbyqxmd.com/read/28212394/de-novo-transcriptome-analysis-and-microsatellite-marker-development-for-population-genetic-study-of-a-serious-insect-pest-rhopalosiphum-padi-l-hemiptera-aphididae
#6
Xinle Duan, Kang Wang, Sha Su, Ruizheng Tian, Yuting Li, Maohua Chen
The bird cherry-oat aphid, Rhopalosiphum padi (L.), is one of the most abundant aphid pests of cereals and has a global distribution. Next-generation sequencing (NGS) is a rapid and efficient method for developing molecular markers. However, transcriptomic and genomic resources of R. padi have not been investigated. In this study, we used transcriptome information obtained by RNA-Seq to develop polymorphic microsatellites for investigating population genetics in this species. The transcriptome of R. padi was sequenced on an Illumina HiSeq 2000 platform...
2017: PloS One
https://www.readbyqxmd.com/read/28212349/household-dengue-prevention-interventions-expenditures-and-barriers-to-aedes-aegypti-control-in-machala-ecuador
#7
Naveed Heydari, David A Larsen, Marco Neira, Efraín Beltrán Ayala, Prissila Fernandez, Jefferson Adrian, Rosemary Rochford, Anna M Stewart-Ibarra
The Aedes aegypti mosquito is an efficient vector for the transmission of Zika, chikungunya, and dengue viruses, causing major epidemics and a significant social and economic burden throughout the tropics and subtropics. The primary means of preventing these diseases is household-level mosquito control. However, relatively little is known about the economic burden of Ae. aegypti control in resource-limited communities. We surveyed residents from 40 households in a high-risk community at the urban periphery in the city of Machala, Ecuador, on dengue perceptions, vector control interventions, household expenditures, and factors influencing purchasing decisions...
February 16, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28212317/an-auction-based-spectrum-leasing-mechanism-for-mobile-macro-femtocell-networks-of-iot
#8
Xin Chen, Lei Xing, Tie Qiu, Zhuo Li
The Internet of Things (IoT) is a vision of the upcoming society. It can provide pervasive communication between two or more entities using 4G-LTE (Long Term Evolution) communication technology. In 4G-LTE networks, there are two important problems: helping manage the spectrum demands of IoT devices and achieving much more revenue with the limited resource. This paper proposes a pricing framework to investigate the spectrum leasing in mobile heterogeneous networks with single macrocell and multiple femtocells...
February 16, 2017: Sensors
https://www.readbyqxmd.com/read/28212270/antitumor-effects-of-laminaria-extract-fucoxanthin-on-lung-cancer
#9
ChengHan Mei, ShunChang Zhou, Lin Zhu, JiaXiong Ming, FanDian Zeng, Rong Xu
Lung cancer is the leading cause of cancer mortality worldwide and non-small-cell lung cancer (NSCLC) is the most common type. Marine plants provide rich resources for anticancer drug discovery. Fucoxanthin (FX), a Laminaria japonica extract, has attracted great research interest for its antitumor activities. Accumulating evidence suggests anti-proliferative effects of FX on many cancer cell lines including NSCLCs, but the detailed mechanisms remain unclear. In the present investigation, we confirmed molecular mechanisms and in vivo anti-lung cancer effect of FX at the first time...
February 15, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28212201/health-sector-reform-emotional-exhaustion-and-nursing-burnout-a-retrospective-panel-study-in-iran
#10
Ahmad Kalateh Sadati, Farnaz Rahnavard, Seyed Taghi Heydari, Soroor Hemmati, Najmeh Ebrahimzadeh, Kamran Bagheri Lankarani
BACKGROUND: Nursing burnout is affected by various factors, including work overload. Since the inauguration of the Health Sector Evolution Plan (HSEP) in Iran in 2014, government hospitals have been required to provide health services to the public at all levels. This decision, however, has increased the volume of patients admitted to government hospitals. Because nurses are on the front line of health services, they are faced with a greater load of care provision. PURPOSE: This study aimed to evaluate nursing burnout before and after HSEP in Iran, with an emphasis on the differences between government and private hospitals...
February 16, 2017: Journal of Nursing Research: JNR
https://www.readbyqxmd.com/read/28212024/environmental-multi-objective-optimization-of-the-use-of-biomass-resources-for-energy
#11
Carl Vadenbo, Davide Tonini, Thomas Fruergaard Astrup
Bioenergy is often considered an important component, alongside other renewables, to mitigate global warming and to reduce fossil fuel dependency. Determining sustainable strategies for utilizing biomass resources, however, requires a holistic perspective to reflect a wider range of potential environmental consequences. To circumvent the limitations of scenario-based life cycle assessment (LCA), we develop a multi-objective optimization model to systematically identify the environmentally-optimal use of biomass for energy under given system constraints...
February 17, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28211993/recent-lab-on-chip-developments-for-novel-drug-discovery
#12
REVIEW
Nauman Khalid, Isao Kobayashi, Mitsutoshi Nakajima
Microelectromechanical systems (MEMS) and micro total analysis systems (μTAS) revolutionized the biochemical and electronic industries, and this miniaturization process became a key driver for many markets. Now, it is a driving force for innovations in life sciences, diagnostics, analytical sciences, and chemistry, which are called 'lab-on-a-chip, (LOC)' devices. The use of these devices allows the development of fast, portable, and easy-to-use systems with a high level of functional integration for applications such as point-of-care diagnostics, forensics, the analysis of biomolecules, environmental or food analysis, and drug development...
February 17, 2017: Wiley Interdisciplinary Reviews. Systems Biology and Medicine
https://www.readbyqxmd.com/read/28211962/smoking-prevalence-among-lesbian-bisexual-and-queer-women-in-sydney-remains-high-analysis-of-trends-and-correlates
#13
Rachel M Deacon, Julie Mooney-Somers
INTRODUCTION AND AIMS: To investigate smoking prevalence trends and correlates among lesbian, bisexual and queer-identifying (LBQ) women in Sydney, Australia. DESIGN AND METHODS: Data from 5007 respondents to a repeated cross-sectional community survey were used to examine smoking trends between 2004 and 2014. Multinomial logistic regression was used to examine smoking correlates. RESULTS: Thirty percent of respondents were current smokers, including 48% of 16 to 24-year-olds...
February 17, 2017: Drug and Alcohol Review
https://www.readbyqxmd.com/read/28211914/eco-evolutionary-feedbacks-can-rescue-cooperation-in-microbial-populations
#14
Clara Moreno-Fenoll, Matteo Cavaliere, Esteban Martínez-García, Juan F Poyatos
Bacterial populations whose growth depends on the cooperative production of public goods are usually threatened by the rise of cheaters that do not contribute but just consume the common resource. Minimizing cheater invasions appears then as a necessary mechanism to maintain these populations. However, that invasions result instead in the persistence of cooperation is a prospect that has yet remained largely unexplored. Here, we show that the demographic collapse induced by cheaters in the population can actually contribute to the rescue of cooperation, in a clear illustration of how ecology and evolution can influence each other...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28211896/profound-seasonal-shrinking-and-regrowth-of-the-ossified-braincase-in-phylogenetically-distant-mammals-with-similar-life-histories
#15
Dina K N Dechmann, Scott LaPoint, Christian Dullin, Moritz Hertel, Jan R E Taylor, Karol Zub, Martin Wikelski
Ontogenetic changes in skull shape and size are ubiquitous in altricial vertebrates, but typically unidirectional and minimal in full-grown animals. Red-toothed shrews exhibit a rare exception, where the shape, mass and size of the skull, brain, and several major organs, show significant bidirectional seasonal changes. We now show a similar but male-biased shrinking (16%) and regrowth (8%) in the standardized braincase depth of least weasels (Mustela nivalis). Juvenile weasels also exhibit a growth overshoot, followed by a shrinkage period lasting until the end of their first winter...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28211758/life-cycle-host-utilization-and-ecological-fitting-for-invasive-lancet-liver-fluke-dicrocoelium-dendriticum-emerging-in-southern-alberta-canada
#16
Bradley van Paridon, John S Gilleard, Douglas D Colwell, Cameron P Goater
The expansion of parasite distributions outside of their native host and geographical ranges has occurred repeatedly over evolutionary time. Contemporary examples include emerging infectious diseases (EID's), many of which pose threats to human, domestic animal, and wildlife populations. Theory predicts that parasites with complex life cycles will be rare as EID's due to constraints imposed by host specialization at each life-cycle stage. In contrast to predictions of this theory, we report 2 new intermediate hosts in the 3-host life cycle of the liver fluke Dicrocoelium dendriticum in Cypress Hills Provincial Park, Alberta, Canada...
February 17, 2017: Journal of Parasitology
https://www.readbyqxmd.com/read/28211645/disability-and-inclusive-education-in-an-italian-region-analysis-of-the-data-for-the-school-year-2012-2013
#17
Evamaria Lanzarini, Antonia Parmeggiani
BACKGROUND: In Italy, pupils with disabilities enroll in mainstream schools and attend the ordinary classes at all educational levels. For the past twelve years, the Region Emilia Romagna has witnessed an increase in the number of children who are in need of special support. The aim of the study was to identify the causes of disability in children attending public schools during the school year 2012-2013. METHODS: The study was designed as a cross-sectional survey...
February 17, 2017: Minerva Pediatrica
https://www.readbyqxmd.com/read/28211600/feasibility-of-early-physical-therapy-for-dizziness-after-a-sports-related-concussion-a-randomized-clinical-trial
#18
J C Reneker, A Hassen, R S Phillips, M C Moughiman, M Donaldson, J Moughiman
The purpose of this study was to (a) assess the feasibility of recruitment/retention of participants, protocol/resource management, and participant safety, and (b) estimate the size of the effect between the experimental and control groups. This was a feasibility study conducted as a prospective pilot double-blind randomized clinical trial. Subjects aged 10-23 years old with acute concussion and dizziness were enrolled from sports medicine centers. Forty-one participants were randomized into treatment and were seen for physical therapy beginning at 10 days post-concussion...
February 17, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28211567/isolation-precautions-use-for-multidrug-resistant-organism-infection-in-nursing-homes
#19
Catherine C Cohen, Andrew Dick, Patricia W Stone
OBJECTIVES: To examine factors associated with isolation precaution use in nursing home (NH) residents with multidrug-resistant organism (MDRO) infection. DESIGN: Retrospective, cross-sectional analysis. SETTING: Nursing homes with Centers for Medicare and Medicaid Services' certification from October 2010 to December 2013. PARTICIPANTS: Elderly, long-stay NH residents with positive MDRO infection assessments. MEASUREMENTS: Data were obtained from the Minimum Data Set (MDS) 3...
February 17, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28211530/factors-affecting-leaf-selection-by-foregut-fermenting-proboscis-monkeys-new-insight-from-in-vitro-digestibility-and-toughness-of-leaves
#20
Ikki Matsuda, Marcus Clauss, Augustine Tuuga, John Sugau, Goro Hanya, Takakazu Yumoto, Henry Bernard, Jürgen Hummel
Free-living animals must make dietary choices in terms of chemical and physical properties, depending on their digestive physiology and availability of food resources. Here we comprehensively evaluated the dietary choices of proboscis monkeys (Nasalis larvatus) consuming young leaves. We analysed the data for leaf toughness and digestibility measured by an in vitro gas production method, in addition to previously reported data on nutrient composition. Leaf toughness, in general, negatively correlated with the crude protein content, one of the most important nutritional factors affecting food selection by leaf-eating primates...
February 17, 2017: Scientific Reports
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