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https://www.readbyqxmd.com/read/28051972/characteristics-classification-and-prevention-of-child-maltreatment-fatalities
#1
James E McCarroll, Joscelyn E Fisher, Stephen J Cozza, Renè J Robichaux, Carol S Fullerton
BACKGROUND: Preventing child maltreatment fatalities is a critical goal of the U.S. society and the military services. Fatality review boards further this goal through the analysis of circumstances of child deaths, making recommendations for improvements in practices and policies, and promoting increased cooperation among the many systems that serve families. The purpose of this article is to review types of child maltreatment death, proposed classification models, risk and protective factors, and prevention strategies...
January 2017: Military Medicine
https://www.readbyqxmd.com/read/28049062/adenovirus-transduction-more-complicated-than-receptor-expression
#2
Priyanka Sharma, Prithy C Martis, Katherine J D A Excoffon
The abundance and accessibility of a primary virus receptor are critical factors that impact the susceptibility of a host cell to virus infection. The Coxsackievirus and adenovirus receptor (CAR) has two transmembrane isoforms that occur due to alternative splicing and differ in localization and function in polarized epithelia. To determine the relevance of isoform-specific expression across cell types, the abundance and localization of both isoforms were determined in ten common cell lines, and correlated with susceptibility to adenovirus transduction relative to polarized primary human airway epithelia...
December 31, 2016: Virology
https://www.readbyqxmd.com/read/28039360/inhibition-of-ubc13-mediated-ubiquitination-by-gps2-regulates-multiple-stages-of-b-cell-development
#3
Claudia Lentucci, Anna Belkina, Carly T Cederquist, Michelle Chan, Holly E Johnson, Sherry Prasad, Amanda Lopacinski, Barbara S Nikolajczyk, Stefano Monti, Jennifer Snyder-Cappione, Bogdan Tanasa, Maria Dafne Cardamone, Valentina Perissi
Non-proteolytic ubiquitin signaling mediated by K63 ubiquitin chains plays a critical role in multiple pathways that are key to the development and activation of immune cells. Our previous work indicates that G-Protein Suppressor 2 (GPS2) is a multi-functional protein regulating TNFα signaling and lipid metabolism in the adipose tissue through modulation of K63 ubiquitination events. However, the full extent of GPS2-mediated regulation of ubiquitination and the underlying molecular mechanisms are unknown. Here, we report that GPS2 is required for restricting the activation of TLR and BCR signaling pathways and the AKT/FOXO1 pathway in immune cells based on direct inhibition of Ubc13 enzymatic activity...
December 30, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28026051/the-effects-of-electromagnetic-fields-on-b16-bl6-cells-are-dependent-on-their-spatial-and-temporal-character
#4
Carly A Buckner, Alison L Buckner, Stan A Koren, Michael A Persinger, Robert M Lafrenie
Exposure to low intensity, low frequency electromagnetic fields (EMF) has effects on several biological systems. Spatiotemporal characteristics of these EMFs are critical. The effect of several complex EMF patterns on the proliferation of B16-BL6 mouse melanoma cells was tested. Exposure to one of these patterns, the Thomas-EMF, inhibited cell proliferation and promoted calcium uptake. The Thomas-EMF is coded from a digital-to-analog file comprised of 849 points, which provides power to solenoids and can be set to alter timing, intensity, and duration of variable EMF...
December 27, 2016: Bioelectromagnetics
https://www.readbyqxmd.com/read/28025333/modulation-of-bilirubin-neurotoxicity-by-the-abcb1-transporter-in-the-ugt1-lethal-mouse-model-of-neonatal-hyperbilirubinemia
#5
Luka Bočkor, Giulia Bortolussi, Simone Vodret, Alessandra Iaconcig, Jana Jašprová, Jaroslav Zelenka, Libor Vitek, Claudio Tiribelli, Andrés F Muro
Moderate neonatal jaundice is the most common clinical condition during newborn life. However, a combination of factors may result in acute hyperbilirubinemia, placing infants at risk of developing bilirubin encephalopathy and death by kernicterus. While most risk factors are known, the mechanisms acting to reduce susceptibility to bilirubin neurotoxicity remain unclear. The presence of modifier genes modulating the risk of developing bilirubin-induced brain damage is increasingly being recognised. The Abcb1 and Abcc1 members of the ABC family of transporters have been suggested to have an active role in exporting unconjugated bilirubin from the central nervous system into plasma...
December 25, 2016: Human Molecular Genetics
https://www.readbyqxmd.com/read/28009208/structural-phase-transition-and-material-properties-of-few-layer-monochalcogenides
#6
Mehrshad Mehboudi, Benjamin M Fregoso, Yurong Yang, Wenjuan Zhu, Arend van der Zande, Jaime Ferrer, L Bellaiche, Pradeep Kumar, Salvador Barraza-Lopez
GeSe and SnSe monochalcogenide monolayers and bilayers undergo a two-dimensional phase transition from a rectangular unit cell to a square unit cell at a critical temperature T_{c} well below the melting point. Its consequences on material properties are studied within the framework of Car-Parrinello molecular dynamics and density-functional theory. No in-gap states develop as the structural transition takes place, so that these phase-change materials remain semiconducting below and above T_{c}. As the in-plane lattice transforms from a rectangle into a square at T_{c}, the electronic, spin, optical, and piezoelectric properties dramatically depart from earlier predictions...
December 9, 2016: Physical Review Letters
https://www.readbyqxmd.com/read/27997558/beyond-synchrony-joint-action-in-a-complex-production-task-reveals-beneficial-effects-of-decreased-interpersonal-synchrony
#7
Sebastian Wallot, Panagiotis Mitkidis, John J McGraw, Andreas Roepstorff
A variety of joint action studies show that people tend to fall into synchronous behavior with others participating in the same task, and that such synchronization is beneficial, leading to greater rapport, satisfaction, and performance. It has been noted that many of these task environments require simple interactions that involve little planning of action coordination toward a shared goal. The present study utilized a complex joint construction task in which dyads were instructed to build model cars while their hand movements and heart rates were measured...
2016: PloS One
https://www.readbyqxmd.com/read/27974860/a-novel-microfluidic-assay-for-rapid-phenotypic-antibiotic-susceptibility-testing-of-bacteria-detected-in-clinical-blood-cultures
#8
Christer Malmberg, Pikkei Yuen, Johanna Spaak, Otto Cars, Thomas Tängdén, Pernilla Lagerbäck
BACKGROUND: Appropriate antibiotic therapy is critical in the management of severe sepsis and septic shock to reduce mortality, morbidity and health costs. New methods for rapid antibiotic susceptibility testing are needed because of increasing resistance rates to standard treatment. AIMS: The purpose of this study was to evaluate the performance of a novel microfluidic method and the potential to directly apply this method on positive blood cultures. METHODS: Minimum inhibitory concentrations (MICs) of ciprofloxacin, ceftazidime, tigecycline and/or vancomycin for Escherichia coli, Pseudomonas aeruginosa, Klebsiella pneumoniae and Staphylococcus aureus were determined using a linear antibiotic concentration gradient in a microfluidic assay...
2016: PloS One
https://www.readbyqxmd.com/read/27941249/deficiency-in-prohormone-convertase-pc1-impairs-prohormone-processing-in-prader-willi-syndrome
#9
Lisa C Burnett, Charles A LeDuc, Carlos R Sulsona, Daniel Paull, Richard Rausch, Sanaa Eddiry, Jayne F Martin Carli, Michael V Morabito, Alicja A Skowronski, Gabriela Hubner, Matthew Zimmer, Liheng Wang, Robert Day, Brynn Levy, Ilene Fennoy, Beatrice Dubern, Christine Poitou, Karine Clement, Merlin G Butler, Michael Rosenbaum, Jean Pierre Salles, Maithe Tauber, Daniel J Driscoll, Dieter Egli, Rudolph L Leibel
Prader-Willi syndrome (PWS) is caused by a loss of paternally expressed genes in an imprinted region of chromosome 15q. Among the canonical PWS phenotypes are hyperphagic obesity, central hypogonadism, and low growth hormone (GH). Rare microdeletions in PWS patients define a 91-kb minimum critical deletion region encompassing 3 genes, including the noncoding RNA gene SNORD116. Here, we found that protein and transcript levels of nescient helix loop helix 2 (NHLH2) and the prohormone convertase PC1 (encoded by PCSK1) were reduced in PWS patient induced pluripotent stem cell-derived (iPSC-derived) neurons...
January 3, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/27939095/a-multiscale-bayesian-data-integration-approach-for-mapping-air-dose-rates-around-the-fukushima-daiichi-nuclear-power-plant
#10
Haruko M Wainwright, Akiyuki Seki, Jinsong Chen, Kimiaki Saito
This paper presents a multiscale data integration method to estimate the spatial distribution of air dose rates in the regional scale around the Fukushima Daiichi Nuclear Power Plant. We integrate various types of datasets, such as ground-based walk and car surveys, and airborne surveys, all of which have different scales, resolutions, spatial coverage, and accuracy. This method is based on geostatistics to represent spatial heterogeneous structures, and also on Bayesian hierarchical models to integrate multiscale, multi-type datasets in a consistent manner...
February 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/27936313/knight-shift-in-13-c%C3%A2-nmr-resonances-confirms-the-coordination-of-n-heterocyclic-carbene-ligands-to-water-soluble-palladium-nanoparticles
#11
Juan M Asensio, Simon Tricard, Yannick Coppel, Román Andrés, Bruno Chaudret, Ernesto de Jesús
The coordination of N-heterocyclic carbene (NHC) ligands to the surface of 3.7 nm palladium nanoparticles (PdNPs) can be unambiguously established by observation of Knight shift (KS) in the (13) C resonance of the carbenic carbon. In order to validate this coordination, PdNPs with sizes ranging from 1.3 to 4.8 nm were prepared by thermal decomposition or reduction with CO of a dimethyl NHC Pd(II) complex. NMR studies after (13) CO adsorption established that the KS shifts the (13) C resonances of the chemisorbed molecules several hundreds of ppm to high frequencies only when the particle exceeds a critical size of around 2 nm...
December 9, 2016: Angewandte Chemie
https://www.readbyqxmd.com/read/27893865/the-decrease-in-traumatic-brain-injury-epidemics-deriving-from-road-traffic-collision-following-strengthened-legislative-measures-in-france
#12
Thomas Lieutaud, Blandine Gadegbeku, Amina Ndiaye, Mireille Chiron, Vivian Viallon
BACKGROUND: Since 2002, France has been strengthening legislation on road traffic. This study is intended to evaluate the changes in Traumatic Brain Injury (TBI) incidence and mortality resulting from Road Traffic Collision (RTC) in the two 6-year periods before and after 2002. METHODS: We used a Registry of all RTC casualties in the Rhône Department of France. Each casualty was coded according to the Abbreviated Injury Scale (AIS). The study describes changes in demographic variables, TBI (AIS ≥ 2) incidence and mortality, other body lesions (AIS ≥ 3) associated with TBI, road user types, seatbelt and helmet wearing...
2016: PloS One
https://www.readbyqxmd.com/read/27875297/glycogen-synthase-kinase-3-gsk-3-mediated-phosphorylation-of-uracil-n-glycosylase-2-ung2-facilitates-the-repair-of-floxuridine-induced-dna-lesions-and-promotes-cell-survival
#13
Carly A Baehr, Catherine J Huntoon, Song-My Hoang, Calvin R Jerde, Larry M Karnitz
Uracil N-glycosylase 2 (UNG2), the nuclear isoform of UNG, catalyzes the removal of uracil or 5-fluorouracil lesions that accumulate in DNA following treatment with the anticancer agents 5-fluorouracil and 5-fluorodeoxyuridine (floxuridine), a 5-fluorouracil metabolite. By repairing these DNA lesions before they can cause cell death, UNG2 promotes cancer cell survival and is therefore critically involved in tumor resistance to these agents. However, the mechanisms by which UNG2 is regulated remain unclear. Several phosphorylation sites within the N-terminal regulatory domain of UNG2 have been identified, although the effects of these modifications on UNG2 function have not been fully explored, nor have the identities of the kinases involved been determined...
December 23, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27868194/randomized-controlled-trial-of-vitamin-d-supplementation-in-children-with-autism-spectrum-disorder
#14
Khaled Saad, Ahmed A Abdel-Rahman, Yasser M Elserogy, Abdulrahman A Al-Atram, Amira A El-Houfey, Hisham A K Othman, Geir Bjørklund, Feiyong Jia, Mauricio A Urbina, Mohamed Gamil M Abo-Elela, Faisal-Alkhateeb Ahmad, Khaled A Abd El-Baseer, Ahmed E Ahmed, Ahmad M Abdel-Salam
BACKGROUND: Autism spectrum disorder (ASD) is a frequent developmental disorder characterized by pervasive deficits in social interaction, impairment in verbal and nonverbal communication, and stereotyped patterns of interests and activities. It has been previously reported that there is vitamin D deficiency in autistic children; however, there is a lack of randomized controlled trials of vitamin D supplementation in ASD children. METHODS: This study is a double-blinded, randomized clinical trial (RCT) that was conducted on 109 children with ASD (85 boys and 24 girls; aged 3-10 years)...
November 21, 2016: Journal of Child Psychology and Psychiatry, and Allied Disciplines
https://www.readbyqxmd.com/read/27866501/promoting-children-s-learning-and-development-in-conflict-affected-countries-testing-change-process-in-the-democratic-republic-of-the-congo
#15
J Lawrence Aber, Carly Tubbs, Catalina Torrente, Peter F Halpin, Brian Johnston, Leighann Starkey, Anjuli Shivshanker, Jeannie Annan, Edward Seidman, Sharon Wolf
Improving children's learning and development in conflict-affected countries is critically important for breaking the intergenerational transmission of violence and poverty. Yet there is currently a stunning lack of rigorous evidence as to whether and how programs to improve learning and development in conflict-affected countries actually work to bolster children's academic learning and socioemotional development. This study tests a theory of change derived from the fields of developmental psychopathology and social ecology about how a school-based universal socioemotional learning program, the International Rescue Committee's Learning to Read in a Healing Classroom (LRHC), impacts children's learning and development...
November 21, 2016: Development and Psychopathology
https://www.readbyqxmd.com/read/27856550/a-case-study-documenting-the-process-by-which-biology-instructors-transition-from-teacher-centered-to-learner-centered-teaching
#16
Gili Marbach-Ad, Carly Hunt Rietschel
In this study, we used a case study approach to obtain an in-depth understanding of the change process of two university instructors who were involved with redesigning a biology course. Given the hesitancy of many biology instructors to adopt evidence-based, learner-centered teaching methods, there is a critical need to understand how biology instructors transition from teacher-centered (i.e., lecture-based) instruction to teaching that focuses on the students. Using the innovation-decision model for change, we explored the motivation, decision-making, and reflective processes of the two instructors through two consecutive, large-enrollment biology course offerings...
2016: CBE Life Sciences Education
https://www.readbyqxmd.com/read/27855281/car-t-therapy-for-leukemia-progress-and-challenges
#17
REVIEW
Xin Wang, Qing Xiao, Zhe Wang, Wen-Li Feng
Despite the rapid development of therapeutic strategies, leukemia remains a type of difficult-to-treat hematopoietic malignancy that necessitates introduction of more effective treatment options to improve life expectancy and quality of patients. Genetic engineering in adoptively transferred T cells to express antigen-specific chimeric antigen receptors (CARs) has proved highly powerful and efficacious in inducing sustained responses in patients with refractory malignancies, as exemplified by the success of CD19-targeting CAR-T treatment in patients with relapsed acute lymphoblastic leukemia...
October 27, 2016: Translational Research: the Journal of Laboratory and Clinical Medicine
https://www.readbyqxmd.com/read/27846884/future-perspectives-in-melanoma-research-meeting-report-from-the-melanoma-bridge-napoli-december-1st-4th-2015
#18
Paolo A Ascierto, Sanjiv Agarwala, Gerardo Botti, Alessandra Cesano, Gennaro Ciliberto, Michael A Davies, Sandra Demaria, Reinhard Dummer, Alexander M Eggermont, Soldano Ferrone, Yang Xin Fu, Thomas F Gajewski, Claus Garbe, Veronica Huber, Samir Khleif, Michael Krauthammer, Roger S Lo, Giuseppe Masucci, Giuseppe Palmieri, Michael Postow, Igor Puzanov, Ann Silk, Stefani Spranger, David F Stroncek, Ahmad Tarhini, Janis M Taube, Alessandro Testori, Ena Wang, Jennifer A Wargo, Cassian Yee, Hassane Zarour, Laurence Zitvogel, Bernard A Fox, Nicola Mozzillo, Francesco M Marincola, Magdalena Thurin
The sixth "Melanoma Bridge Meeting" took place in Naples, Italy, December 1st-4th, 2015. The four sessions at this meeting were focused on: (1) molecular and immune advances; (2) combination therapies; (3) news in immunotherapy; and 4) tumor microenvironment and biomarkers. Recent advances in tumor biology and immunology has led to the development of new targeted and immunotherapeutic agents that prolong progression-free survival (PFS) and overall survival (OS) of cancer patients. Immunotherapies in particular have emerged as highly successful approaches to treat patients with cancer including melanoma, non-small cell lung cancer (NSCLC), renal cell carcinoma (RCC), bladder cancer, and Hodgkin's disease...
November 15, 2016: Journal of Translational Medicine
https://www.readbyqxmd.com/read/27818994/regulation-of-drug-disposition-gene-expression-in-pregnant-mice-with-car-receptor-activation
#19
Amanda S Bright, Guadalupe Herrera-Garcia, Jamie E Moscovitz, Dahea You, Grace L Guo, Lauren M Aleksunes
More than half of pregnant women use prescription medications in order to maintain both maternal and fetal health. The constitutive androstane receptor (Car) critically affects the disposition of chemicals by regulating the transcription of genes encoding metabolic enzymes and transporters. However, the effects of Car activation on chemical disposition during pregnancy are unclear. This study aims to determine the degree to which pregnancy alters the expression of drug metabolizing enzymes and transporters in response to the pharmacological activation of Car...
2016: Nuclear Receptor Research
https://www.readbyqxmd.com/read/27801822/driver-distraction-using-visual-based-sensors-and-algorithms
#20
REVIEW
Alberto Fernández, Rubén Usamentiaga, Juan Luis Carús, Rubén Casado
Driver distraction, defined as the diversion of attention away from activities critical for safe driving toward a competing activity, is increasingly recognized as a significant source of injuries and fatalities on the roadway. Additionally, the trend towards increasing the use of in-vehicle information systems is critical because they induce visual, biomechanical and cognitive distraction and may affect driving performance in qualitatively different ways. Non-intrusive methods are strongly preferred for monitoring distraction, and vision-based systems have appeared to be attractive for both drivers and researchers...
October 28, 2016: Sensors
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