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https://www.readbyqxmd.com/read/28544570/relative-susceptibility-of-airway-organisms-to-antimicrobial-effects-of-nitric-oxide
#1
Alan D Workman, Ryan M Carey, Michael A Kohanski, David W Kennedy, James N Palmer, Nithin D Adappa, Noam A Cohen
BACKGROUND: Nitric oxide (NO) is released in the airway as a critical component of innate immune defense against invading pathogenic organisms. It is well documented that bacteriostatic and bactericidal effects of NO are concentration-dependent. However, few data exist comparing relative susceptibility of common pathogens to NO at physiologic concentrations. In this study we evaluated the effects of NO on 4 common airway bacteria and 1 fungus, and examined the potential implications of discrepancies in sensitivity...
May 25, 2017: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/28541485/histologically-defined-intratumoral-sequencing-uncovers-evolutionary-cues-into-conserved-molecular-events-driving-gliomagenesis
#2
Antony Prabhu, Pravin Kesarwani, Shiva Kant, Stewart F Graham, Prakash Chinnaiyan
BACKGROUND: Glioblastoma represents an archetypal example of a heterogeneous malignancy. To understand the diverse molecular consequences of this complex tumor ecology, we analyzed RNA-seq data generated from commonly identified intra-tumoral structures in glioblastoma enriched using laser capture microdissection. METHODS: Raw gene-level fragments per kilobase of transcript per million reads mapped (FPKM) values and the associated clinical data were acquired from the publically available Ivy GAP database and analyzed using MetaboAnalyst (v...
May 25, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28540412/a-distal-auxiliary-element-facilitates-cleavage-and-polyadenylation-of-dux4-mrna-in-the-pathogenic-haplotype-of-fshd
#3
Natoya Peart, Eric J Wagner
The degenerative muscle disorder facioscapulohumeral dystrophy (FSHD) is thought to be caused by the inappropriate expression of the Double Homeobox 4 (Dux4) protein in muscle cells leading to apoptosis. Expression of Dux4 in the major form of FSHD is a function of two contributing molecular changes: contractions in the D4Z4 microsatellite repeat region where Dux4 is located and an SNP present within a region downstream of the D4Z4. This SNP provides a functional, yet non-consensus polyadenylation signal (PAS) is used for the Dux4 mRNA 3' end processing...
May 24, 2017: Human Genetics
https://www.readbyqxmd.com/read/28539194/effects-of-the-informed-health-choices-primary-school-intervention-on-the-ability-of-children-in-uganda-to-assess-the-reliability-of-claims-about-treatment-effects-a-cluster-randomised-controlled-trial
#4
Allen Nsangi, Daniel Semakula, Andrew D Oxman, Astrid Austvoll-Dahlgren, Matt Oxman, Sarah Rosenbaum, Angela Morelli, Claire Glenton, Simon Lewin, Margaret Kaseje, Iain Chalmers, Atle Fretheim, Yunpeng Ding, Nelson K Sewankambo
BACKGROUND: Claims about what improves or harms our health are ubiquitous. People need to be able to assess the reliability of these claims. We aimed to evaluate an intervention designed to teach primary school children to assess claims about the effects of treatments (ie, any action intended to maintain or improve health). METHODS: In this cluster-randomised controlled trial, we included primary schools in the central region of Uganda that taught year-5 children (aged 10-12 years)...
May 19, 2017: Lancet
https://www.readbyqxmd.com/read/28538337/developing-a-logarithmic-chinese-reading-acuity-chart
#5
Qi-Ming Han, Lin-Juan Cong, Cong Yu, Lei Liu
PURPOSE: An individual's reading ability cannot be reliably predicted from his/her letter acuity, contrast sensitivity, and visual field extent. We developed a set of Chinese reading acuity charts (C-READ) to assess the reading ability of Chinese readers, based on the collective wisdom of previously published reading acuity charts, especially the MNRead and the Radner Reading Charts. METHODS: The C-READ consists of three charts. Each consists sixteen 12-character simplified Chinese sentences crafted from first- to third-grade textbooks...
June 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/28529622/ires-mediated-protein-translation-overcomes-suppression-by-the-p14arf-tumor-suppressor-protein
#6
Song Xi, Ming Zhao, Si Wang, Ling Ma, Shensen Wang, Xianling Cong, Ruth A Gjerset, Rebecca C Fitzgerald, Yinghui Huang
Internal ribosome entry sites (IRES elements) have attracted interest in cancer gene therapy because they can be used in the design of gene transfer vectors that provide bicistronic co-expression of two transgene products under the control of a single promoter. Unlike cellular translation of most mRNAs, a process that requires a post-translational 5' modification of the mRNA known as the cap structure, IRES-mediated translation is independent of the cap structure. The cellular conditions that may intervene to modulate IRES-mediated, cap-independent versus cap-dependent translation, however, remain poorly understood, although they could be critical to the choice of gene transfer vectors...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28527953/audiovisual-speech-integration-in-the-superior-temporal-region-is-dysfunctional-in-dyslexia
#7
REVIEW
Zheng Ye, Jascha Rüsseler, Ivonne Gerth, Thomas F Münte
Dyslexia is an impairment of reading and spelling that affects both children and adults even after many years of schooling. Dyslexic readers have deficits in the integration of auditory and visual inputs but the neural mechanisms of the deficits are still unclear. This fMRI study examined the neural processing of auditorily presented German numbers 0-9 and videos of lip movements of a German native speaker voicing numbers 0-9 in unimodal (auditory or visual) and bimodal (always congruent) conditions in dyslexic readers and their matched fluent readers...
May 17, 2017: Neuroscience
https://www.readbyqxmd.com/read/28524257/the-efficacy-of-early-language-intervention-in-mainstream-school-settings-a-randomized-controlled-trial
#8
Silke Fricke, Kelly Burgoyne, Claudine Bowyer-Crane, Maria Kyriacou, Alexandra Zosimidou, Liam Maxwell, Arne Lervåg, Margaret J Snowling, Charles Hulme
BACKGROUND: Oral language skills are a critical foundation for literacy and more generally for educational success. The current study shows that oral language skills can be improved by providing suitable additional help to children with language difficulties in the early stages of formal education. METHODS: We conducted a randomized controlled trial with 394 children in England, comparing a 30-week oral language intervention programme starting in nursery (N = 132) with a 20-week version of the same programme starting in Reception (N = 133)...
May 19, 2017: Journal of Child Psychology and Psychiatry, and Allied Disciplines
https://www.readbyqxmd.com/read/28523528/comparison-of-visual-outcomes-and-reading-performance-after-bilateral-implantation-of-multifocal-intraocular-lenses-with-bilateral-monofocal-intraocular-lenses
#9
Özge Güngör Akkuş, Ikbal Seza Petriçli
PURPOSE: To compare the visual acuity outcomes, contrast sensitivity function (CS) and reading ability in patients with bilateral multifocal intraocular lenses and patients with bilateral monofocal lenses. SETTING: Vizyon Eye Center, Denizli, Turkey. DESIGN: Comparative case series. METHODS: Consecutive bilateral cataract patients having implantation of Acriva Reviol MFM 611 multifocal IOLs (Group A) or Acriva BB UD 613 monofocal IOLs (Group B) were included...
May 18, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28523028/peripheral-arterial-blood-pressure-versus-central-crterial-blood-pressure-monitoring-in-critically-ill-patients-after-cardio-pulmonary-bypass
#10
Rana Altaf Ahmad, Suhail Ahmad, Anjum Naveed, Mirza Ahmad Raza Baig
OBJECTIVE: To determine the accuracy of peripheral (radial) arterial access as compared to central (femoral) arterial access for measurement of invasive blood pressure (IBP) in critically ill patients after cardiopulmonary bypass. METHODS: Sixty patients (60) who required high inotropic/vasopressor support on weaning from cardio-pulmonary bypass and weaned off in 2(nd) attempt were included in this study. The duration of this study was from June 2015 to August 2016...
March 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28522331/internal-mechanisms-underlying-anticipatory-language-processing-evidence-from-event-related-potentials-and-neural-oscillations
#11
Xiaoqing Li, Yuping Zhang, Jinyan Xia, Tamara Y Swaab
Although numerous studies have demonstrated that the language processing system can predict upcoming content during comprehension, there is still no clear picture of the anticipatory stage of predictive processing. This electroencephalograph study examined the cognitive and neural oscillatory mechanisms underlying anticipatory processing during language comprehension, and the consequences of this prediction for bottom-up processing of predicted/unpredicted content. Participants read Mandarin Chinese sentences that were either strongly or weakly constraining and that contained critical nouns that were congruent or incongruent with the sentence contexts...
May 15, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28515901/experimental-identification-and-computational-characterization-of-a-novel-extracellular-metalloproteinase-produced-by-clostridium-sordellii
#12
Michael J Aldape, Aoxiang Tao, Dustin D Heeney, Eric R McIndoo, John M French, Dong Xu
Clostridium sordellii is a lethal pathogen for both animals and humans. Severe capillary leakage, toxic shock syndrome, and an extreme leukemoid reaction (LR), are hallmark features of C. sordellii infections and contribute to its high mortality rate. Here we report the discovery of a previously unknown and uncharacterized metalloproteinase of C. sordellii (referred as Mcs1) that cleaves human vascular cell adhesion molecule (VCAM)-1 in vitro, an adhesion molecule critical to hematopoietic precursor retention and leukocyte diapedesis...
March 2, 2017: RSC Advances
https://www.readbyqxmd.com/read/28514913/action-learning-ripples-within-and-beyond-the-set
#13
Robert James Warwick, Adam Palmer, Janet McCray
Purpose This paper aims to explore the impact of action learning (AL) on an individual and an organisation, particularly the process by which each affected the other. The organisation is a UK National Health Service (NHS) Trust that includes two hospitals. Design/methodology/approach This is a single person case study involving a clinician, but the voice of an author can also be heard. It involves the experience of the individual as they experience AL as part of a leadership development programme leading to a postgraduate certificate...
May 2, 2017: Leadership in Health Services
https://www.readbyqxmd.com/read/28510625/rethinking-ada-signage-standards-for-low-vision-accessibility
#14
Aries Arditi
Americans With Disabilities Act (ADA) and International Code Council (ICC) standards for accessible buildings and facilities affect design and construction of all new and renovated buildings throughout the United States, and form the basis for compliance with the ADA. While these standards may result in acceptable accessibility for people who are fully blind, they fall far short of what they could and should accomplish for those with low vision. In this article I critique the standards, detailing their lack of evidence base and other shortcomings...
May 1, 2017: Journal of Vision
https://www.readbyqxmd.com/read/28505093/the-crucial-role-of-dna-methylation-and-mecp2-in-neuronal-function
#15
REVIEW
Maria Fasolino, Zhaolan Zhou
A neuron is unique in its ability to dynamically modify its transcriptional output in response to synaptic activity while maintaining a core gene expression program that preserves cellular identity throughout a lifetime that is longer than almost every other cell type in the body. A contributing factor to the immense adaptability of a neuron is its unique epigenetic landscape that elicits locus-specific alterations in chromatin architecture, which in turn influences gene expression. One such epigenetic modification that is sensitive to changes in synaptic activity, as well as essential for maintaining cellular identity, is DNA methylation...
May 13, 2017: Genes
https://www.readbyqxmd.com/read/28504856/cell-free-dna-copy-number-variations-in-plasma-from-colorectal-cancer-patients
#16
Jian Li, Rachel L Dittmar, Shu Xia, Huijuan Zhang, Meijun Du, Chiang-Ching Huang, Brooke R Druliner, Lisa Boardman, Liang Wang
To evaluate clinical utility of cell free DNA (cfDNA), we performed whole genome sequencing to systematically examine plasma cfDNA copy number variations (CNVs) in a cohort of patients with colorectal cancer (CRC, n=80), polyps (n=20) and healthy controls (n=35). We initiallycompared cfDNA yield in 20 paired serum-plasma samples and observed significantly higher cfDNA concentration in serum (median=81.20ng, range 7.18-500ng/ml) than in plasma (median=5.09ng, range 3.76-62.8ng/ml) (p<0.0001). However, tumor-derived cfDNA content was significantly lower in serum than in matched plasma samples tested...
May 15, 2017: Molecular Oncology
https://www.readbyqxmd.com/read/28504713/elevated-pttg-and-pbf-predicts-poor-patient-outcome-and-modulates-dna-damage-response-genes-in-thyroid-cancer
#17
M L Read, J C Fong, B Modasia, A Fletcher, W Imruetaicharoenchoke, R J Thompson, H Nieto, J J Reynolds, A Bacon, U Mallick, A Hackshaw, J C Watkinson, K Boelaert, A S Turnell, V E Smith, C J McCabe
The proto-oncogene PTTG and its binding partner PBF have been widely studied in multiple cancer types, particularly thyroid and colorectal, but their combined role in tumourigenesis is uncharacterised. Here, we show for the first time that together PTTG and PBF significantly modulate DNA damage response (DDR) genes, including p53 target genes, required to maintain genomic integrity in thyroid cells. Critically, DDR genes were extensively repressed in primary thyrocytes from a bitransgenic murine model (Bi-Tg) of thyroid-specific PBF and PTTG overexpression...
May 15, 2017: Oncogene
https://www.readbyqxmd.com/read/28502606/provider-perspectives-regarding-resuscitation-decisions-for-neonates-and-other-vulnerable-patients
#18
Amélie Dupont-Thibodeau, Jade Hindié, Claude Julie Bourque, Annie Janvier
OBJECTIVES: To use structured surveys to assess the perspectives of pediatric residents and neonatal nurses on resuscitation decisions for vulnerable patients, including neonates. STUDY DESIGN: Pediatric providers were surveyed using scenarios for 6 critically ill patients of different ages with outcomes explicitly described. Providers were asked (1) whether resuscitation was in each patient's best interest; (2) whether they would accept families' wishes for comfort care (no resuscitation); and (3) to rank patients in order of priority for resuscitation...
May 11, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28497511/effects-of-medical-trainees-weight-loss-history-on-perceptions-of-patients-with-obesity
#19
Rebecca L Pearl, Dallas Argueso, Thomas A Wadden
CONTEXT: Medical professionals often express weight-biased attitudes. Prior research suggests that people who overcome a challenge are critical of individuals who struggle to overcome the same challenge. Thus, medical trainees who have successfully achieved and maintained weight loss may express greater weight bias and more critical attitudes toward patients with obesity who fail to overcome these challenges. OBJECTIVES: This study was designed to determine the effects of medical trainees' weight-loss history on weight-biased attitudes and responses to patients with varying weight-loss outcomes...
May 11, 2017: Medical Education
https://www.readbyqxmd.com/read/28497480/effectiveness-of-portable-electronic-and-optical-magnifiers-for-near-vision-activities-in-low-vision-a-randomised-crossover-trial
#20
John J Taylor, Rachel Bambrick, Andrew Brand, Nathan Bray, Michelle Dutton, Robert A Harper, Zoe Hoare, Barbara Ryan, Rhiannon T Edwards, Heather Waterman, Christine Dickinson
PURPOSE: To compare the performance of near vision activities using additional portable electronic vision enhancement systems (p-EVES), to using optical magnifiers alone, by individuals with visual impairment. METHODS: A total of 100 experienced optical aid users were recruited from low vision clinics at Manchester Royal Eye Hospital, Manchester, UK, to a prospective two-arm cross-over randomised controlled trial. Reading, performance of near vision activities, and device usage were evaluated at baseline; and at the end of each study arm (Intervention A: existing optical aids plus p-EVES; Intervention B: optical aids only) which was after 2 and 4 months...
May 12, 2017: Ophthalmic & Physiological Optics: the Journal of the British College of Ophthalmic Opticians (Optometrists)
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