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https://www.readbyqxmd.com/read/28340498/academic-difficulties-in-children-with-prenatal-alcohol-exposure-presence-profile-and-neural-correlates
#1
Leila Glass, Eileen M Moore, Natacha Akshoomoff, Kenneth Lyons Jones, Edward P Riley, Sarah N Mattson
BACKGROUND: Academic achievement was evaluated in children with heavy prenatal alcohol exposure to determine potential strengths and weaknesses, evaluate the utility of different definitions for identifying low academic performance, and explore the neural correlates that may underlie academic performance. METHODS: Children (8 to 16 years) were assessed using the WIAT-II. Patterns of performance were examined in 2 subject groups: children with heavy prenatal alcohol exposure (n = 67) and controls (n = 61)...
March 24, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28339816/post-mortem-toxicology-in-young-sudden-cardiac-death-victims-a-nationwide-cohort-study
#2
Thea Bjune, Bjarke Risgaard, Line Kruckow, Charlotte Glinge, Ole Ingemann-Hansen, Peter Mygind Leth, Kristian Linnet, Jytte Banner, Bo Gregers Winkel, Jacob Tfelt-Hansen
Aims: Several drugs increase the risk of ventricular fibrillation and sudden cardiac death (SCD). We aimed to investigate in detail the toxicological findings of all young SCD throughout Denmark. Methods and results: Deaths in persons aged 1-49 years were included over a 10-year period. Death certificates and autopsy reports were retrieved and read to identify cases of sudden death and establish cause of death. All medico-legal autopsied SCD were included and toxicological reports collected...
February 27, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28339460/evaluating-implementation-of-a-fire-prevention-injury-prevention-briefing-in-children-s-centres-cluster-randomised-controlled-trial
#3
Toity Deave, Adrian Hawkins, Arun Kumar, Mike Hayes, Nicola Cooper, Michael Watson, Joanne Ablewhite, Carol Coupland, Alex Sutton, Gosia Majsak-Newman, Lisa McDaid, Trudy Goodenough, Kate Beckett, Elaine McColl, Richard Reading, Denise Kendrick
BACKGROUND: Many developed countries have high mortality rates for fire-related deaths in children aged 0-14 years with steep social gradients. Evidence-based interventions to promote fire safety practices exist, but the impact of implementing a range of these interventions in children's services has not been assessed. We developed an Injury Prevention Briefing (IPB), which brought together evidence about effective fire safety interventions and good practice in delivering interventions; plus training and facilitation to support its use and evaluated its implementation...
2017: PloS One
https://www.readbyqxmd.com/read/28338962/higher-order-intentionality-tasks-are-cognitively-more-demanding
#4
Penelope A Lewis, Amy Birch, Alexander Hall, R I M Dunbar
A central assumption that underpins much of the discussion of the role played by social cognition in brain evolution is that social cognition is unusually cognitively demanding. This assumption has never been tested. Here, we use a task in which participants read stories and then answered questions about the stories in a behavioural experiment (39 participants) and an fMRI experiment (17 participants) to show that mentalising requires more time for responses than factual memory of a matched complexity and also that higher orders of mentalising is disproportionately more demanding and requires the recruitment of more neurons in brain regions known to be associated with theory of mind, including insula, posterior STS, temporal pole, and cerebellum...
March 13, 2017: Social Cognitive and Affective Neuroscience
https://www.readbyqxmd.com/read/28338612/pesticide-knowledge-and-safety-practices-among-farm-workers-in-kuwait-results-of-a-survey
#5
Mustapha F A Jallow, Dawood G Awadh, Mohammed S Albaho, Vimala Y Devi, Binson M Thomas
The unsafe and indiscriminate use of pesticides in agriculture represents a major hazard to the environment and human health. The aim of this study was to assess the levels of knowledge, attitude and practices of Kuwaiti farmers regarding the safe use of pesticides. A total of 250 farmers participated in this study through in-depth interviews and observations on-farm. The majority of the farmers acknowledged that pesticides were harmful to their health (71%) and the environment (65%). However, farmers' level of knowledge of pesticide safety is insufficient...
March 24, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28338446/the-use-of-hippocampal-volumetric-measurements-to-improve-diagnostic-accuracy-in-pediatric-patients-with-mesial-temporal-sclerosis
#6
Gloria J Guzmán Pérez-Carrillo, Christopher Owen, Katherine E Schwetye, Spencer McFarlane, Ananth K Vellimana, Soe Mar, Michelle M Miller-Thomas, Joshua S Shimony, Matthew D Smyth, Tammie L S Benzinger
OBJECTIVE Many patients with medically intractable epilepsy have mesial temporal sclerosis (MTS), which significantly affects their quality of life. The surgical excision of MTS lesions can result in marked improvement or even complete resolution of the epileptic episodes. Reliable radiological diagnosis of MTS is a clinical challenge. The purpose of this study was to evaluate the utility of volumetric mapping of the hippocampi for the identification of MTS in a case-controlled series of pediatric patients who underwent resection for medically refractory epilepsy, using pathology as a gold standard...
March 24, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28337135/deficits-in-letter-speech-sound-associations-but-intact-visual-conflict-processing-in-dyslexia-results-from-a-novel-erp-paradigm
#7
Sarolta Bakos, Karin Landerl, Jürgen Bartling, Gerd Schulte-Körne, Kristina Moll
The reading and spelling deficits characteristic of developmental dyslexia (dyslexia) have been related to problems in phonological processing and in learning associations between letters and speech-sounds. Even when children with dyslexia have learned the letters and their corresponding speech sounds, letter-speech sound associations might still be less automatized compared to children with age-adequate literacy skills. In order to examine automaticity in letter-speech sound associations and to overcome some of the disadvantages associated with the frequently used visual-auditory oddball paradigm, we developed a novel electrophysiological letter-speech sound interference paradigm...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28336488/isolation-and-characterization-of-two-glutathione-s-transferases-from-freshwater-bivalve-anodonta-woodiana-chronic-effects-of-pentachlorophenol-on-gene-expression-profiles
#8
Qingchun Liu, Xiyu Shang, Yuhong Ma, Xichao Xia, Shipeng Xue, Chuanxiu Hua, Guian Liang, Lunguang Yao, Lianghong Guo
Glutathione S-transferases (GST) play a prominent role in protecting cells against oxidative stress. Our previous study showed that the reactive oxygen species (ROS) generated from pentachlorophenol (PCP) could cause an acute impact on freshwater bivalve Anodonta Woodiana, but its chronic toxicity remain unclear. In order to investigate the chronic effect of PCP, clams A. Woodiana were randomly grouped into PCP treated group in which animals were administrated with 13.9 μg/L concentrations of PCP, and control group those with similar volume dimethyl sulfoxide...
March 20, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28335739/identification-of-long-non-coding-transcripts-with-feature-selection-a-comparative-study
#9
Giovanna M M Ventola, Teresa M R Noviello, Salvatore D'Aniello, Antonietta Spagnuolo, Michele Ceccarelli, Luigi Cerulo
BACKGROUND: The unveiling of long non-coding RNAs as important gene regulators in many biological contexts has increased the demand for efficient and robust computational methods to identify novel long non-coding RNAs from transcripts assembled with high throughput RNA-seq data. Several classes of sequence-based features have been proposed to distinguish between coding and non-coding transcripts. Among them, open reading frame, conservation scores, nucleotide arrangements, and RNA secondary structure have been used with success in literature to recognize intergenic long non-coding RNAs, a particular subclass of non-coding RNAs...
March 23, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28335417/dna-sequencing-sensors-an-overview
#10
REVIEW
Jose Antonio Garrido-Cardenas, Federico Garcia-Maroto, Jose Antonio Alvarez-Bermejo, Francisco Manzano-Agugliaro
The first sequencing of a complete genome was published forty years ago by the double Nobel Prize in Chemistry winner Frederick Sanger. That corresponded to the small sized genome of a bacteriophage, but since then there have been many complex organisms whose DNA have been sequenced. This was possible thanks to continuous advances in the fields of biochemistry and molecular genetics, but also in other areas such as nanotechnology and computing. Nowadays, sequencing sensors based on genetic material have little to do with those used by Sanger...
March 14, 2017: Sensors
https://www.readbyqxmd.com/read/28334836/trypanosoma-brucei-rap1-maintains-telomere-and-subtelomere-integrity-by-suppressing-terra-and-telomeric-rna-dna-hybrids
#11
Vishal Nanavaty, Ranjodh Sandhu, Sanaa E Jehi, Unnati M Pandya, Bibo Li
Trypanosoma brucei causes human African trypanosomiasis and regularly switches its major surface antigen, VSG, thereby evading the host's immune response. VSGs are monoallelically expressed from subtelomeric expression sites (ESs), and VSG switching exploits subtelomere plasticity. However, subtelomere integrity is essential for T. brucei viability. The telomeric transcript, TERRA, was detected in T. brucei previously. We now show that the active ES-adjacent telomere is transcribed. We find that TbRAP1, a telomere protein essential for VSG silencing, suppresses VSG gene conversion-mediated switching...
March 16, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28334366/vcnet-vector-based-gene-co-expression-network-construction-and-its-application-to-rna-seq-data
#12
Zengmiao Wang, Huaying Fang, Nelson Leung-Sang Tang, Minghua Deng
Motivation: Building gene co-expression network (GCN) from gene expression data is an important field of bioinformatic research. Nowadays, RNA-seq data provides high dimensional information to quantify gene expressions in term of read counts for individual exons of genes. Such an increase in the dimension of expression data during the transition from microarray to RNA-seq era made many previous co-expression analysis algorithms based on simple univariate correlation no longer applicable...
March 8, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28334218/reconciliation-between-operational-taxonomic-units-and-species-boundaries
#13
Mohamed Mysara, Peter Vandamme, Ruben Props, Frederiek-Maarten Kerckhof, Natalie Leys, Nico Boon, Jeroen Raes, Pieter Monsieurs
The development of high-throughput sequencing technologies has revolutionized the field of microbial ecology via 16S rRNA gene amplicon sequencing approaches. Clustering those amplicon sequencing reads into Operational Taxonomic Units (OTUs) using a fixed cut-off is a commonly used approach to estimate microbial diversity. A 97% threshold was chosen with the intended purpose that resulting OTUs could be interpreted as a proxy for a bacterial species. Our results show that the robustness of such a generalized cut-off is questionable when applied to short amplicons only covering one or two variable regions of the 16S rRNA gene...
March 10, 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/28334183/comparative-transcriptional-analysis-of-the-host-specialized-aphids-aphis-gossypii-hemiptera-aphididae
#14
Yuan-Chen Zhang, Hai-Xia Lei, Ning-Hui Miao, Xiang-Dong Liu
Host specialization is an ubiquitous character in aphid populations. Many polyphagous aphid populations usually consist of several subpopulations that have strong fidelity to a specific host or a subset of host range. Host specialization is an evolutional result of food habit of insects. However, genetic basis and molecular mechanism of host specialization are still unclear. In this study, we presented a comparative analysis on global gene expression profiles of three lineages of Aphis gossypii Glover: cotton-specialized (CO), cucurbit-specialized (CU), and CU reared on cowpea (CU-cowpea), using RNA-Seq method...
February 17, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28334124/a-newly-identified-amino-acid-substitution-t123i-in-the-14%C3%AE-demethylase-erg11p-of-candida-albicans-confers-azole-resistance
#15
YongQin Wu, Ning Gao, Cui Li, Jing Gao, ChunMei Ying
The increasing prevalence of azole resistance in Candida albicans poses a growing problem for clinical treatment. Amino acid substitution of the 14α-demethylase (Erg11p) encoded by the ERG11 gene is one of the most common mechanisms involved in azole resistance. Although amino acid substitutions of Erg11p have been observed in many clinical isolates, only a few amino acid substitutions have been confirmed to be related to azole resistance. In this study, by amplifying and sequencing the open reading frame of the ERG11 gene from 55 clinical isolates, we identified 27 fluconazole-resistant isolates that harbor a novel amino acid substitution, T123I, in Erg11p, in addition to the previously described homozygous substitution Y132H...
February 25, 2017: FEMS Yeast Research
https://www.readbyqxmd.com/read/28334086/pseudoalignment-for-metagenomic-read-assignment
#16
L Schaeffer, H Pimentel, N Bray, P Melsted, L Pachter
Motivation: Read assignment is an important first step in many metagenomic analysis workflows, providing the basis for identification and quantification of species. However ambiguity among the sequences of many strains makes it difficult to assign reads at the lowest level of taxonomy, and reads are typically assigned to taxonomic levels where they are unambiguous. We explore connections between metagenomic read assignment and the quantification of transcripts from RNA-Seq data in order to develop novel methods for rapid and accurate quantification of metagenomic strains...
February 21, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28333746/the-priceless-clarity-of-inexperience
#17
Marcy Phipps
Updated several times a week with posts by a wide variety of authors, AJN's blog Off the Charts allows us to provide more timely-and often more personal-perspectives on professional, policy, and clinical issues. Best of the Blog will be a regular column to draw the attention of AJN readers to posts we think deserve a wider audience. To read more, please visit: www.ajnoffthecharts.com.
April 2017: American Journal of Nursing
https://www.readbyqxmd.com/read/28333527/reading-self-perceived-ability-enjoyment-and-achievement-a-genetically-informative-study-of-their-reciprocal-links-over-time
#18
Margherita Malanchini, Zhe Wang, Ivan Voronin, Victoria J Schenker, Robert Plomin, Stephen A Petrill, Yulia Kovas
Extant literature has established a consistent association between aspects of reading motivation, such as enjoyment and self-perceived ability, and reading achievement, in that more motivated readers are generally more skilled readers. However, the developmental etiology of this relation is yet to be investigated. The present study explores the development of the motivation-achievement association and its genetic and environmental underpinnings. Applying cross-lagged design in a sample of 13,825 twins, we examined the relative contribution of genetic and environmental factors to the association between reading enjoyment and self-perceived ability and reading achievement...
April 2017: Developmental Psychology
https://www.readbyqxmd.com/read/28333510/comparing-treatments-for-children-with-adhd-and-word-reading-difficulties-a-randomized-clinical-trial
#19
Leanne Tamm, Carolyn A Denton, Jeffery N Epstein, Christopher Schatschneider, Heather Taylor, L Eugene Arnold, Oscar Bukstein, Julia Anixt, Anson Koshy, Nicholas C Newman, Jan Maltinsky, Patricia Brinson, Richard E A Loren, Mary R Prasad, Linda Ewing-Cobbs, Aaron Vaughn
OBJECTIVE: This trial compared attention-deficit/hyperactivity disorder (ADHD) treatment alone, intensive reading intervention alone, and their combination for children with ADHD and word reading difficulties and disabilities (RD). METHOD: Children (n = 216; predominantly African American males) in Grades 2-5 with ADHD and word reading/decoding deficits were randomized to ADHD treatment (medication + parent training), reading treatment (reading instruction), or combined ADHD + reading treatment...
March 23, 2017: Journal of Consulting and Clinical Psychology
https://www.readbyqxmd.com/read/28333505/competing-cues-older-adults-rely-on-knowledge-in-the-face-of-fluency
#20
Nadia M Brashier, Sharda Umanath, Roberto Cabeza, Elizabeth J Marsh
Consumers regularly encounter repeated false claims in political and marketing campaigns, but very little empirical work addresses their impact among older adults. Repeated statements feel easier to process, and thus more truthful, than new ones (i.e., illusory truth). When judging truth, older adults' accumulated general knowledge may offset this perception of fluency. In two experiments, participants read statements that contradicted information stored in memory; a post-experimental knowledge check confirmed what individual participants knew...
March 23, 2017: Psychology and Aging
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