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https://www.readbyqxmd.com/read/27923117/examining-topological-domain-influence-on-enhancer-function
#1
Robert A Beagrie, Ana Pombo
Enhancers regulate the expression of target genes across large genomic distances, but it is unclear how recently discovered topological domains affect this regulation. Reporting in this issue of Developmental Cell, Symmons et al. (2016) show that the endogenous Shh topological domain promotes functional interactions between Shh and its remote enhancer.
December 5, 2016: Developmental Cell
https://www.readbyqxmd.com/read/27922691/microarray-expression-profiles-of-genes-in-lung-tissues-of-rats-subjected-to-focal-cerebral-ischemia-induced-lung-injury-following-bone-marrow-derived-mesenchymal-stem-cell-transplantation
#2
Yue Hu, Liu-Lin Xiong, Piao Zhang, Ting-Hua Wang
Ischemia-induced stroke is the most common disease of the nervous system and is associated with a high mortality rate worldwide. Cerebral ischemia may lead to remote organ dysfunction, particular in the lungs, resulting in lung injury. Nowadays, bone marrow-derived mesenchymal stem cells (BMSCs) are widely studied in clinical trials as they may provide an effective solution to the treatment of neurological and cardiac diseases; however, the underlying molecular mechanisms remain unknown. In this study, a model of permanent focal cerebral ischemia-induced lung injury was successfully established and confirmed by neurological evaluation and lung injury scores...
December 6, 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27922592/distributed-solar-photovoltaic-array-location-and-extent-dataset-for-remote-sensing-object-identification
#3
Kyle Bradbury, Raghav Saboo, Timothy L Johnson, Jordan M Malof, Arjun Devarajan, Wuming Zhang, Leslie M Collins, Richard G Newell
Earth-observing remote sensing data, including aerial photography and satellite imagery, offer a snapshot of the world from which we can learn about the state of natural resources and the built environment. The components of energy systems that are visible from above can be automatically assessed with these remote sensing data when processed with machine learning methods. Here, we focus on the information gap in distributed solar photovoltaic (PV) arrays, of which there is limited public data on solar PV deployments at small geographic scales...
December 6, 2016: Scientific Data
https://www.readbyqxmd.com/read/27922466/smartphone-based-electrocardiographic-and-cardiac-implantable-electronic-device-monitoring
#4
Suneet Mittal
The field of arrhythmia monitoring is changing rapidly. The rapid advent of technology in combination with marked improvements in cellular communication and an increased desire by patients to be actively engaged in their care has ushered in a new era of clinical care. Today, physicians need to think about their patients outside the traditional in-office setting. Two technologies that embody this changing landscape are smartphone-based electrocardiographic (ECG) monitors and remote monitoring of cardiac implantable electronic devices (CIEDs)...
January 2017: Cardiology in Review
https://www.readbyqxmd.com/read/27922119/in-situ-particles-reorientation-during-magnetic-hyperthermia-application-shape-matters-twice
#5
Konstantinos Simeonidis, M Puerto Morales, Marzia Marciello, Makis Angelakeris, Patricia de la Presa, Ana Lazaro-Carrillo, Andrea Tabero, Angeles Villanueva, Oksana Chubykalo-Fesenko, David Serantes
Promising advances in nanomedicine such as magnetic hyperthermia rely on a precise control of the nanoparticle performance in the cellular environment. This constitutes a huge research challenge due to difficulties for achieving a remote control within the human body. Here we report on the significant double role of the shape of ellipsoidal magnetic nanoparticles (nanorods) subjected to an external AC magnetic field: first, the heat release is increased due to the additional shape anisotropy; second, the rods dynamically reorientate in the orthogonal direction to the AC field direction...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27922080/warming-trends-and-bleaching-stress-of-the-world-s-coral-reefs-1985-2012
#6
Scott F Heron, Jeffrey A Maynard, Ruben van Hooidonk, C Mark Eakin
Coral reefs across the world's oceans are in the midst of the longest bleaching event on record (from 2014 to at least 2016). As many of the world's reefs are remote, there is limited information on how past thermal conditions have influenced reef composition and current stress responses. Using satellite temperature data for 1985-2012, the analysis we present is the first to quantify, for global reef locations, spatial variations in warming trends, thermal stress events and temperature variability at reef-scale (~4 km)...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27922018/non-thermal-hydrogen-atoms-in-the-terrestrial-upper-thermosphere
#7
Jianqi Qin, Lara Waldrop
Model predictions of the distribution and dynamical transport of hydrogen atoms in the terrestrial atmosphere have long-standing discrepancies with ultraviolet remote sensing measurements, indicating likely deficiencies in conventional theories regarding this crucial atmospheric constituent. Here we report the existence of non-thermal hydrogen atoms that are much hotter than the ambient oxygen atoms in the upper thermosphere. Analysis of satellite measurements indicates that the upper thermospheric hydrogen temperature, more precisely the mean kinetic energy of the atomic hydrogen population, increases significantly with declining solar activity, contrary to contemporary understanding of thermospheric behaviour...
December 6, 2016: Nature Communications
https://www.readbyqxmd.com/read/27921298/female-induced-remote-regulation-of-sperm-physiology-may-provide-opportunities-for-gamete-level-mate-choice
#8
Jukka Kekäläinen, Jonathan P Evans
In sedentary externally fertilizing species, direct interactions between mating partners are limited and pre-fertilization communication between sexes occur largely at the gamete level. Certain combinations of eggs and sperm often have higher fertilization success than others, which may be contingent on egg-derived chemical factors that preferentially attract sperm from compatible males. Here, we examine the mechanisms underlying such effects in the marine mussel Mytilus galloprovincialis, where differential sperm attraction has recently been shown to be associated with variation in offspring viability...
December 6, 2016: Evolution; International Journal of Organic Evolution
https://www.readbyqxmd.com/read/27921226/the-relationship-between-aerosol-particles-chemical-composition-and-optical-properties-to-identify-the-biomass-burning-contribution-to-fine-particles-concentration-a-case-study-for-s%C3%A3-o-paulo-city-brazil
#9
Regina Maura de Miranda, Fabio Lopes, Nilton Évora do Rosário, Marcia Akemi Yamasoe, Eduardo Landulfo, Maria de Fatima Andrade
The air quality in the Metropolitan Area of São Paulo (MASP) is primarily determined by the local pollution source contribution, mainly the vehicular fleet, but there is a concern about the role of remote sources to the fine mode particles (PM2.5) concentration and composition. One of the most important remote sources of atmospheric aerosol is the biomass burning emissions from São Paulo state's inland and from the central and north portions of Brazil. This study presents a synergy of different measurements of atmospheric aerosol chemistry and optical properties in the MASP in order to show how they can be used as a tool to identify particles from local and remote sources...
December 2016: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/27920865/recurrent-radiation-induced-osteosarcoma-of-the-sternum-in-a-patient-with-remote-radiation-therapy-for-breast-cancer
#10
Joseph M Limback, Haley P Letter, Kurt F Scherer, Christopher W Wasyliw, Laura W Bancroft
BACKGROUND: Recurrent radiation-induced osteosarcoma of the sternum following remote radiation therapy for breast cancer and sternal reconstruction. CASE: A 51-year-old woman presents with recurrent, radiation-induced sternal osteosarcoma 11 years after receiving both radiation therapy for breast cancer and sternal reconstruction. The case details both her work-up and subsequent course, including reconstructive and curative efforts. DISCUSSION: An uncommon side effect of radiation therapy for breast cancer is development of osteosarcoma of the chest wall...
December 2016: Radiology case reports
https://www.readbyqxmd.com/read/27920649/hepatoid-carcinoma-of-the-pancreas-case-report-next-generation-tumor-profiling-and-literature-review
#11
James M Chang, Nitin N Katariya, Dora M Lam-Himlin, Danielle J Haakinson, Ramesh K Ramanathan, Thorvardur R Halfdanarson, Mitesh J Borad, Rahul Pannala, Douglas Faigel, Adyr A Moss, Amit K Mathur
Fewer than 25 cases of hepatoid carcinoma of the pancreas have been reported in the literature. We present a case in a 61-year-old male with a remote history of Hodgkin's lymphoma and gastric neuroendocrine cell hyperplasia. On surveillance endoscopic ultrasound, an 8 × 5 mm cystic lesion was seen in the tail of the pancreas. MRI showed a focal pancreatic duct cut-off with mild ductal dilation. Fine needle aspiration was performed, which was concerning for acinar cell carcinoma. The patient underwent distal pancreatectomy and recovered uneventfully...
September 2016: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/27920523/pegylated-and-nanoparticle-conjugated-sulfonium-salt-photo-triggers-necrotic-cell-death
#12
Alaa A Fadhel, Xiling Yue, Ebrahim H Ghazvini Zadeh, Mykhailo V Bondar, Kevin D Belfield
Photodynamic therapy (PDT) processes involving the production of singlet oxygen face the issue of oxygen concentration dependency. Despite high oxygen delivery, a variety of properties related to metabolism and vascular morphology in cancer cells result in hypoxic environments, resulting in limited effectiveness of such therapies. An alternative oxygen-independent agent whose cell cytotoxicity can be remotely controlled by light may allow access to treatment of hypoxic tumors. Toward that end, we developed and tested both polyethylene glycol (PEG)-functionalized and hydrophilic silica nanoparticle (SiNP)-enriched photoacid generator (PAG) as a nontraditional PDT agent to effectively induce necrotic cell death in HCT-116 cells...
2016: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/27919763/feasibility-of-telementoring-for-micro-neurosurgical-procedures-utilizing-a-microscope-a-proof-of-concept-study
#13
Bryan Ladd, Ryan D Tackla, Akshay Gupte, David Darrow, Jeffery Sorenson, Mario Zuccarello, Andrew W Grande
BACKGROUND: Our pilot study evaluated the effectiveness of our telementoring-telescripting model to facilitate seamless communication between surgeons while the operating surgeon is under microscope. METHODS: As a first proof of concept, 4 students identified 20 anatomical landmarks on a dry human skull with or without telementoring guidance. To assess the ability to communicate operative information, a senior neurosurgery resident evaluated the student's ability and timing to complete a stepwise craniotomy on a cadaveric head, with and without telementoring guidance; a second portion included exposure of the anterior circulation...
December 2, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27919689/seasonal-dynamics-of-human-retinol-status-in-mobile-pastoralists-in-chad
#14
Lisa Crump, Mahamat Béchir, Bongo Naré Richard Ngandolo, Doumagoum Moto Daugla, Jan Hattendorf, Jakob Zinsstag
Vitamin A deficiency is a prevalent public health problem in Africa and South-East Asia, although national population based surveys are lacking in many countries. This study investigated seasonal variation of human retinol concentrations in Chadian mobile pastoralists to identify critical time periods for interventions addressing vitamin A deficiency. The repeated cross-sectional study design used convenience sampling during three seasons to include 327 Fulani, Gorane and Arab adult mobile pastoralists in nine camps in the Lake Chad area...
December 2, 2016: Acta Tropica
https://www.readbyqxmd.com/read/27919557/trend-shifts-in-satellite-derived-vegetation-growth-in-central-eurasia-1982-2013
#15
Hao-Jie Xu, Xin-Ping Wang, Tai-Bao Yang
Central Eurasian vegetation is critical for the regional ecological security and the global carbon cycle. However, climatic impacts on vegetation growth in Central Eurasia are uncertain. The reason for this uncertainty lies in the fact that the response of vegetation to climate change showed nonlinearity, seasonality and differences among plant functional types. Based on remotely sensed vegetation index and in-situ meteorological data for the years 1982-2013, in conjunction with the latest land cover type product, we analyzed how vegetation growth trend varied across different seasons and evaluated vegetation response to climate variables at regional, biome and pixel scales...
December 2, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27919546/brain-morphometry-predicts-individual-creative-potential-and-the-ability-to-combine-remote-ideas
#16
David Bendetowicz, Marika Urbanski, Clarisse Aichelburg, Richard Levy, Emmanuelle Volle
For complex mental functions such as creative thinking, inter-individual variability is useful to better understand the underlying cognitive components and brain anatomy. Associative theories propose that creative individuals have flexible semantic associations, which allows remote elements to be formed into new combinations. However, the structural brain variability associated with the ability to combine remote associates has not been explored. To address this question, we performed a voxel-based morphometry (VBM) study and explored the anatomical connectivity of significant regions...
November 15, 2016: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/27919498/association-between-exposure-to-farm-animals-and-pets-and-risk-of-multiple-sclerosis
#17
Dylan Siejka, Bruce Taylor, Anne-Louise Ponsonby, Terence Dwyer, Ingrid van der Mei
PURPOSE: There exists inconsistent evidence regarding animals including pets as risk factors for the development of Multiple Sclerosis (MS). We investigated the association between farm animals and pets as possible environmental factors in MS development. METHODS: Population based case-control study with 136 clinically definite MS cases and 272 controls randomly chosen from the community matched on sex and age. Data was collected from both questionnaire and a lifetime calendar detailing residence, occupation and pet/animal exposure over the course of participant's lives...
November 2016: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/27919261/caf%C3%A3-a-multicomponent-audit-and-feedback-intervention-to-improve-implementation-of-healthy-food-policy-in-primary-school-canteens-a-randomised-controlled-trial
#18
Sze Lin Yoong, Nicole Nathan, Luke Wolfenden, John Wiggers, Kathryn Reilly, Christopher Oldmeadow, Rebecca Wyse, Rachel Sutherland, Tessa Delaney, Peter Butler, Lisa Janssen, Sarah Preece, Christopher M Williams
BACKGROUND: The implementation of nutrition policies in schools has been recommended as a strategy to improve child dietary intake. Internationally, research suggests that the majority of schools do not implement these policies. In New South Wales (NSW), Australia, the NSW Healthy School Canteen Policy requires that school canteens prohibit the sale of 'red' foods (i.e. foods that are typically nutrient poor and high in energy, such as confectionary and deep-fried foods) and 'banned'drinks (i...
December 5, 2016: International Journal of Behavioral Nutrition and Physical Activity
https://www.readbyqxmd.com/read/27918895/absorbed-in-sleep-dissociative-absorption-as-a-predictor-of-sleepiness-following-sleep-deprivation-in-two-high-functioning-samples
#19
Nirit Soffer-Dudek, Leah Shelef, Idit Oz, Anna Levkovsky, Ifaat Erlich, Shirley Gordon
In recent years, a labile sleep-wake cycle has been implicated as a cause for dissociative experiences, and studies show that dissociation is elevated following sleep deprivation. Dissociative individuals may find it harder to regulate sleepiness in the face of sleep disruption. Although there is significant variability in reactions to sleep deprivation, research on trait predictors is scarce. The present study examined the ability of trait dissociation to prospectively predict sleepiness following sleep loss and recovery sleep...
December 2, 2016: Consciousness and Cognition
https://www.readbyqxmd.com/read/27918597/seqplots-interactive-software-for-exploratory-data-analyses-pattern-discovery-and-visualization-in-genomics
#20
Przemyslaw Stempor, Julie Ahringer
Experiments involving high-throughput sequencing are widely used for analyses of chromatin function and gene expression. Common examples are the use of chromatin immunoprecipitation for the analysis of chromatin modifications or factor binding, enzymatic digestions for chromatin structure assays, and RNA sequencing to assess gene expression changes after biological perturbations. To investigate the pattern and abundance of coverage signals across regions of interest, data are often visualized as profile plots of average signal or stacked rows of signal in the form of heatmaps...
2016: Wellcome Open Res
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