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https://www.readbyqxmd.com/read/28646561/pathways-to-arithmetic-fact-retrieval-and-percentage-calculation-in-adolescents
#1
Ulf Träff, Kenny Skagerlund, Linda Olsson, Rickard Östergren
BACKGROUND: Developing sufficient mathematical skills is a prerequisite to function adequately in society today. Given this, an important task is to increase our understanding regarding the cognitive mechanisms underlying young people's acquisition of early number skills and formal mathematical knowledge. AIMS: The purpose was to examine whether the pathways to mathematics model provides a valid account of the cognitive mechanisms underlying symbolic-number processing and mathematics in adolescents...
June 23, 2017: British Journal of Educational Psychology
https://www.readbyqxmd.com/read/28646540/animal-embryotoxicity-studies-of-key-non-artemisinin-antimalarials-and-use-in-women-in-the-first-trimester
#2
REVIEW
Robert L Clark
The World Health Organization currently recommends quinine+clindamycin for use against malaria in the first trimester. This may soon change to recommending artemisinin-based combination therapies (standard duration of dosing = 3 days). The non-artemisinin partner drugs include amodiaquine, lumefantrine, mefloquine, piperaquine, sulfadoxine+pyrimethamine, and pyronaridine. For quinine, clindamycin, and mefloquine and the combinations of sulfadoxine+pyrimethamine and artemether+lumefantrine, there are reports (including studies without internal comparison groups) that combined describe 304 to >1100 exposures of women in the first trimester for each drug with no conclusive evidence of adverse effects on pregnancy at therapeutic doses...
June 24, 2017: Birth defects research
https://www.readbyqxmd.com/read/28646473/detection-of-foxo1-break-apart-status-by-fluorescence-in-situ-hybridization-in-atypical-alveolar-rhabdomyosarcoma
#3
Libing Fu, Yaqiong Jin, Chao Jia, Jie Zhang, Jun Tai, Hongbin Li, Feng Chen, Jin Shi, Yongli Guo, Xin Ni, Lejian He
The morphologies of alveolar rhabdomyosarcoma (ARMS) are various. Some cases entirely lack an alveolar pattern and instead display a histological pattern that overlaps with embryonal rhabdomyosarcoma (ERMS). The method of pathological diagnosis of ARMS and ERMS has been updated in the 4th edition of the World Health Organization's guidelines for classification of skeletal muscle tumors. Under the new guidelines, there is still no molecular test to distinguish between these two subtypes of rhabdomyosarcoma (RMS)...
June 16, 2017: Science China. Life Sciences
https://www.readbyqxmd.com/read/28646458/ovarian-cancer-knowledge-in-women-and-providers-following-education-with-inside-knowledge-campaign-materials
#4
Mary C Puckett, Julie S Townsend, Cynthia A Gelb, Polly Hager, Amy Conlon, Sherri L Stewart
Because no effective methods for preventing or screening for ovarian cancer exist, symptom recognition is integral to its early detection. The Centers for Disease Control and Prevention's Inside Knowledge: Get the Facts about Gynecologic Cancer campaign was developed to raise awareness and educate women and providers about risk factors, symptoms, recommended screening, and prevention strategies for the five main gynecologic cancers, including ovarian cancer. Inside Knowledge campaign materials were utilized by CDC's National Comprehensive Cancer Control Program grantees to educate women and providers about gynecologic cancer from 2014 to 2015...
June 24, 2017: Journal of Cancer Education: the Official Journal of the American Association for Cancer Education
https://www.readbyqxmd.com/read/28646042/on-the-role-il-4-il-13-heteroreceptor-plays-in-regulation-of-type-1-diabetes
#5
Tobechukwu K Ukah, Alexis N Cattin-Roy, Weirong Chen, Mindy M Miller, Subhasis Barik, Habib Zaghouani
Type 1 diabetes (T1D) manifests when the insulin-producing pancreatic β cells are destroyed as a consequence of an inflammatory process initiated by lymphocytes of the immune system. The NOD mouse develops T1D spontaneously and serves as an animal model for human T1D. The IL-4Rα/IL-13Rα1 heteroreceptor (HR) serves both IL-4 and IL-13 cytokines, which are believed to function as anti-inflammatory cytokines in T1D. However, whether the HR provides a responsive element to environmental (i.e., physiologic) IL-4/IL-13 in the regulation of peripheral tolerance and the development of T1D has yet to be defined...
June 23, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28645799/genotype-phenotype-evaluation-of-med13l-defects-in-the-light-of-a-novel-truncating-and-a-recurrent-missense-mutation
#6
Reza Asadollahi, Markus Zweier, Laura Gogoll, Raphael Schiffmann, Heinrich Sticht, Katharina Steindl, Anita Rauch
A decade after the designation of MED13L as a gene and its link to intellectual disability (ID) and dextro-looped transposition of great arteries in 2003, we previously described a recognizable syndrome due to MED13L haploinsufficiency. Subsequent reports of 22 further patients diagnosed by genome-wide testing further delineated the syndrome with expansion of the phenotypic spectrum and showed reduced penetrance for congenital heart defects. We now report two novel patients identified by whole exome sequencing, one with a de novo MED13L truncating mutation and the other with a de novo missense mutation...
June 20, 2017: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/28645308/neonatal-aav-delivery-of-alpha-synuclein-induces-pathology-in-the-adult-mouse-brain
#7
Marion Delenclos, Ayman H Faroqi, Mei Yue, Aishe Kurti, Monica Castanedes-Casey, Linda Rousseau, Virginia Phillips, Dennis W Dickson, John D Fryer, Pamela J McLean
Abnormal accumulation of alpha-synuclein (αsyn) is a pathological hallmark of Lewy body related disorders such as Parkinson's disease and Dementia with Lewy body disease. During the past two decades, a myriad of animal models have been developed to mimic pathological features of synucleinopathies by over-expressing human αsyn. Although different strategies have been used, most models have little or no reliable and predictive phenotype. Novel animal models are a valuable tool for understanding neuronal pathology and to facilitate development of new therapeutics for these diseases...
June 23, 2017: Acta Neuropathologica Communications
https://www.readbyqxmd.com/read/28645200/prognostic-awareness-prognostic-communication-and-cognitive-function-in-patients-with-malignant-glioma
#8
Eli L Diamond, Holly G Prigerson, Denise C Correa, Anne Reiner, Katherine Panageas, Maria Kryza-Lacombe, Justin Buthorn, Elizabeth C Neil, Alex M Miller, Lisa M DeAngelis, Allison J Applebaum
Background: Malignant glioma (MG) is a devastating neuro-oncologic disease with almost invariably poor prognosis. Prognostic awareness (PA) is the awareness of incurable disease and shortened life-expectancy (LE). Accurate PA is associated with favorable psychological outcomes at the end-of-life (EOL) for patients with cancer, however little is known about PA or prognostic communication in MG. Moreover, research has yet to evaluate the impact of cognitive impairment on PA and preferred forms of communication...
June 22, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28644856/estimating-psychopathological-networks-be-careful-what-you-wish-for
#9
Sacha Epskamp, Joost Kruis, Maarten Marsman
Network models, in which psychopathological disorders are conceptualized as a complex interplay of psychological and biological components, have become increasingly popular in the recent psychopathological literature (Borsboom, et. al., 2011). These network models often contain significant numbers of unknown parameters, yet the sample sizes available in psychological research are limited. As such, general assumptions about the true network are introduced to reduce the number of free parameters. Incorporating these assumptions, however, means that the resulting network will lead to reflect the particular structure assumed by the estimation method-a crucial and often ignored aspect of psychopathological networks...
2017: PloS One
https://www.readbyqxmd.com/read/28644855/comparison-of-the-mirna-expression-profiles-in-fresh-frozen-and-formalin-fixed-paraffin-embedded-tonsillar-tumors
#10
Zuzana Vojtechova, Jiri Zavadil, Jan Klozar, Marek Grega, Ruth Tachezy
MicroRNAs are considered as promising prognostic and diagnostic biomarkers of human cancer since their profiles differ between tumor types. Most of the tumor profiling studies were performed on rarely available fresh frozen (FF) samples. Alternatively, archived formalin-fixed paraffin-embedded (FFPE) tissue samples are also well applicable to larger-scale retrospective miRNA profiling studies. The aim of this study was to perform systematic comparison of the miRNA expression profiles between FF and macrodissected FFPE tonsillar tumors using the TaqMan Low Density Array system, with the data processed by different software programs and two types of normalization methods...
2017: PloS One
https://www.readbyqxmd.com/read/28644808/esim-edge-similarity-for-screen-content-image-quality-assessment
#11
Zhangkai Ni, Lin Ma, Huanqiang Zeng, Jing Chen, Canhui Cai, Kai-Kuang Ma
In this paper, an accurate full-reference image quality assessment (IQA) model developed for assessing screen content images (SCIs), called the edge similarity (ESIM), is proposed. It is inspired by the fact that the human visual system (HVS) is highly sensitive to edges that are often encountered in SCIs; therefore, essential edge features are extracted and exploited for conducting IQA for the SCIs. The key novelty of the proposed ESIM lies in the extraction and use of three salient edge features-i.e., edge contrast, edge width, and edge direction...
June 21, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28644263/mind-the-facts
#12
Maureen Shawn Kennedy
Nurses must become active in protecting science and evidence-based decision making.
July 2017: American Journal of Nursing
https://www.readbyqxmd.com/read/28644203/invasive-investigation-of-insular-cortex-epilepsy
#13
Philippe Ryvlin, Fabienne Picard
Invasive long-term EEG investigations of the insula have been performed since the mid-nineties in an expanding range of focal epilepsies suspected to involve the insular cortex. The various clinical forms of insular epilepsies were delineated during the last 2 decades, and include the following presentations: perisylvian epilepsy, temporal plus epilepsy, sleep hypermotor epilepsy, MRI-negative frontal and parietal lobe epilepsies, and insular lesions. In fact, a majority of complex stereoelectroencephalography procedures will include at least one electrode targeting the insula...
July 2017: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/28644202/the-insula-in-temporal-plus-epilepsy
#14
Carmen Barba, Lorella Minotti, Anne-Sophie Job, Philippe Kahane
Temporal lobe epilepsy (TLE) surgery is the most common type of surgical treatment offered to patients with drug-resistant focal seizures. However, the proportion of patients experiencing long-term freedom from seizures after TLE surgery remains suboptimal. Temporal plus epilepsy, which is characterized by a primary temporal epileptogenic zone extending to neighboring regions, has been demonstrated to be a major predictor of TLE surgery failures. In the context of the temporoperisylvian epilepsies, i.e., the most common type of temporal plus epilepsy, a possible role of the insula has often been hypothesized...
July 2017: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/28643821/non-invasive-approaches-in-the-diagnosis-of-acute-rejection-in-kidney-transplant-recipients-part-i-in-vivo-imaging-methods
#15
REVIEW
Oriane Hanssen, Pauline Erpicum, Pierre Lovinfosse, Paul Meunier, Laurent Weekers, Luaba Tshibanda, Jean-Marie Krzesinski, Roland Hustinx, François Jouret
Kidney transplantation (KTx) represents the best available treatment for patients with end-stage renal disease. Still, full benefits of KTx are undermined by acute rejection (AR). The diagnosis of AR ultimately relies on transplant needle biopsy. However, such an invasive procedure is associated with a significant risk of complications and is limited by sampling error and interobserver variability. In the present review, we summarize the current literature about non-invasive approaches for the diagnosis of AR in kidney transplant recipients (KTRs), including in vivo imaging, gene expression profiling and omics analyses of blood and urine samples...
February 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28643819/non-invasive-approaches-in-the-diagnosis-of-acute-rejection-in-kidney-transplant-recipients-part-ii-omics-analyses-of-urine-and-blood-samples
#16
REVIEW
Pauline Erpicum, Oriane Hanssen, Laurent Weekers, Pierre Lovinfosse, Paul Meunier, Luaba Tshibanda, Jean-Marie Krzesinski, Roland Hustinx, François Jouret
Kidney transplantation (KTx) represents the best available treatment for patients with end-stage renal disease. Still, the full benefits of KTx are undermined by acute rejection (AR). The diagnosis of AR ultimately relies on transplant needle biopsy. However, such an invasive procedure is associated with a significant risk of complications and is limited by sampling error and interobserver variability. In the present review, we summarize the current literature about non-invasive approaches for the diagnosis of AR in kidney transplant recipients (KTRs), including in vivo imaging, gene-expression profiling and omics analyses of blood and urine samples...
February 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28643354/diffusion-mri-microstructure-models-with-in-vivo-human-brain-connectome-data-results-from-a-multi-group-comparison
#17
Uran Ferizi, Benoit Scherrer, Torben Schneider, Mohammad Alipoor, Odin Eufracio, Rutger H J Fick, Rachid Deriche, Markus Nilsson, Ana K Loya-Olivas, Mariano Rivera, Dirk H J Poot, Alonso Ramirez-Manzanares, Jose L Marroquin, Ariel Rokem, Christian Pötter, Robert F Dougherty, Ken Sakaie, Claudia Wheeler-Kingshott, Simon K Warfield, Thomas Witzel, Lawrence L Wald, José G Raya, Daniel C Alexander
A large number of mathematical models have been proposed to describe the measured signal in diffusion-weighted (DW) magnetic resonance imaging (MRI). However, model comparison to date focuses only on specific subclasses, e.g. compartment models or signal models, and little or no information is available in the literature on how performance varies among the different types of models. To address this deficiency, we organized the 'White Matter Modeling Challenge' during the International Symposium on Biomedical Imaging (ISBI) 2015 conference...
June 23, 2017: NMR in Biomedicine
https://www.readbyqxmd.com/read/28643176/a-promising-tool-in-retina-regeneration-current-perspectives-and-challenges-when-using-mesenchymal-progenitor-stem-cells-in-veterinary-and-human-ophthalmological-applications
#18
REVIEW
Anna Cislo-Pakuluk, Krzysztof Marycz
Visual impairment is a common ailment of the current world population, with more exposure to CCD screens and fluorescent lighting, approximately 285 billion people suffer from this deficiency and 13% of those are considered clinically blind. More common causes for visual impairment include age-related macular degeneration (AMD), glaucoma and diabetic retinopathy (Zhu et al. Molecular Medicine Reports, 2015; Kolb et al. 2007; Machalińska et al. Current Eye Research, 34(9),748-760, 2009) among a few. As cases of retinal and optic nerve diseases rise, it is vital to find a treatment, which has led to investigation of the therapeutic potential of various stem cells types (Bull et al...
June 22, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28643148/mechanical-challenges-to-the-glomerulus-and-podocyte-loss-evolution-of-a-paradigm
#19
REVIEW
Kevin V Lemley
In this article, I shall outline some of the most important aspects of the evidentiary basis of the so-called Kriz model for the development of glomerular sclerosis, a model that we continue to modify to this day. In my mind, the most important findings include the fact that podocytes are generally post-mitotic cells, so that loss of a significant number for any cause leads to podocyte insufficiency. Another pivotal finding is that in many experimental models and in human disease, podocytes detach from the GBM as living cells...
June 22, 2017: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/28643084/influence-of-knockout-of-at4g20990-gene-encoding-%C3%AE-ca4-on-photosystem-ii-light-harvesting-antenna-in-plants-grown-under-different-light-intensities-and-day-lengths
#20
Natalia N Rudenko, Tatyana P Fedorchuk, Daria V Vetoshkina, Elena M Zhurikova, Lyudmila K Ignatova, Boris N Ivanov
Effect of knockout of the At4g20990 gene encoding α-carbonic anhydrase 4 (α-CA4) in Arabidopsis thaliana in plants grown in low light (LL, 80 μmol photons m(-2) s(-1)) or in high light (HL, 400 μmol photons m(-2) s(-1)) under long (LD, 16 h) or short (SD, 8 h) day length was studied. In α-CA4 knockout plants, under all studied conditions, the non-photochemical quenching was lower; the decrease was more pronounced under HL. This pointed to α-CA4 implication in the processes leading to energy dissipation in PSII antenna...
June 22, 2017: Protoplasma
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