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https://www.readbyqxmd.com/read/28535339/ecophysiological-examination-of-the-lake-erie-microcystis-bloom-in-2014-linkages-between-biology-and-the-water-supply-shutdown-of-toledo-ohio
#1
Morgan Michelle Steffen, Timothy W Davis, Robert Michael McKay, George S Bullerjahn, Lauren E Krausfeldt, Joshua M A Stough, Michelle L Neitzey, Naomi E Gilbert, Gregory L Boyer, Thomas H Johengen, Duane C Gossiaux, Ashley M Burtner, Danna Palladino, Mark Rowe, Gregory J Dick, Kevin Meyer, Shawn Levy, Braden Boone, Richard Stumpf, Timothy Wynne, Paul V Zimba, Danielle B Gutierrez, Steven W Wilhelm
Annual cyanobacterial blooms dominated by Microcystis have occurred in western Lake Erie (USA/Canada) during summer months since 1995. The production of toxins by bloom-forming cyanobacteria can lead to drinking water crises, such as the one experienced by the city of Toledo in August of 2014, when the city was rendered without drinking water for > 2 days. It is important to understand the conditions and environmental cues that were driving this specific bloom to provide a scientific framework for management of future bloom events...
May 23, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28535175/parental-age-and-risk-of-pediatric-cancer-in-the-offspring-a-population-based-record-linkage-study-in-california
#2
Rong Wang, Catherine Metayer, Libby Morimoto, Joseph L Wiemels, Andrew T DeWan, Alice Kang, Xiaomei Ma
By linking birth records and cancer registry data from California, we conducted a population-based study with 23,419 cases and 87,593 matched controls born in 1978-2009 to investigate the relation of parental age to risk of pediatric cancer. Compared to children born to mothers aged 20-24 years, those born to mothers in older age groups had a 13% to 36% increased risk of pediatric cancer, the odds ratio (OR) for each 5-year maternal age increase was 1.06 (95% confidence interval[CI]: 1.04,1.09). For cancer diagnosed at 0-14 and 15-19 years, the OR for each 5-year increase in maternal age was1...
May 23, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28534793/an-information-theoretic-cluster-visualization-for-self-organizing-maps
#3
Leonardo Enzo Brito da Silva, Donald C Wunsch
Improved data visualization will be a significant tool to enhance cluster analysis. In this paper, an information-theoretic-based method for cluster visualization using self-organizing maps (SOMs) is presented. The information-theoretic visualization (IT-vis) has the same structure as the unified distance matrix, but instead of depicting Euclidean distances between adjacent neurons, it displays the similarity between the distributions associated with adjacent neurons. Each SOM neuron has an associated subset of the data set whose cardinality controls the granularity of the IT-vis and with which the first- and second-order statistics are computed and used to estimate their probability density functions...
May 17, 2017: IEEE Transactions on Neural Networks and Learning Systems
https://www.readbyqxmd.com/read/28533786/high-density-linkage-map-construction-and-mapping-of-yield-trait-qtls-in-maize-zea-mays-using-the-genotyping-by-sequencing-gbs-technology
#4
Chengfu Su, Wei Wang, Shunliang Gong, Jinghui Zuo, Shujiang Li, Shizhong Xu
Increasing grain yield is the ultimate goal for maize breeding. High resolution quantitative trait loci (QTL) mapping can help us understand the molecular basis of phenotypic variation of yield and thus facilitate marker assisted breeding. The aim of this study is to use genotyping-by-sequencing (GBS) for large-scale SNP discovery and simultaneous genotyping of all F2 individuals from a cross between two varieties of maize that are in clear contrast in yield and related traits. A set of 199 F2 progeny derived from the cross of varieties SG-5 and SG-7 were generated and genotyped by GBS...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28532433/partnering-with-women-collectives-for-delivering-essential-women-s-nutrition-interventions-in-tribal-areas-of-eastern-india-a-scoping-study
#5
Vani Sethi, Arti Bhanot, Surbhi Bhalla, Sourav Bhattacharjee, Abner Daniel, Deepika Mehrish Sharma, Rajkumar Gope, Saba Mebrahtu
BACKGROUND: We examined the feasibility of engaging women collectives in delivering a package of women's nutrition messages/services as a funded stakeholder in three tribal-dominated districts of Odisha, Jharkhand and Chhattisgarh States, in eastern India. These districts have high prevalence of child stunting and poor government service outreach. METHODS: Conducted between July 2014 and March 2015, an exploratory mix-methods design was adopted (review of coverage data and government reports, field interviews and focus group discussion with multiple stakeholders and intended communities) to assess coverage of women's nutrition services...
May 22, 2017: Journal of Health, Population, and Nutrition
https://www.readbyqxmd.com/read/28532305/production-and-use-of-estimates-for-monitoring-progress-in-the-health-sector-the-case-of-bangladesh
#6
Karar Zunaid Ahsan, Tazeen Tahsina, Afrin Iqbal, Nazia Binte Ali, Suman Kanti Chowdhury, Tanvir M Huda, Shams El Arifeen
BACKGROUND:  In order to support the progress towards the post-2015 development agenda for the health sector, the importance of high-quality and timely estimates has become evident both globally and at the country level. OBJECTIVE AND METHODS: Based on desk review, key informant interviews and expert panel discussions, the paper critically reviews health estimates from both the local (i.e. nationally generated information by the government and other agencies) and the global sources (which are mostly modeled or interpolated estimates developed by international organizations based on different sources of information), and assesses the country capacity and monitoring strategies to meet the increasing data demand in the coming years...
January 2017: Global Health Action
https://www.readbyqxmd.com/read/28531268/implementation-of-an-integrated-approach-to-the-national-hiv-aids-strategy-for-improving-human-immunodeficiency-virus-care-for-youths
#7
J Dennis Fortenberry, Linda J Koenig, Bill G Kapogiannis, Carrie L Jeffries, Jonathan M Ellen, Craig M Wilson
Importance: Youths aged 13 to 24 years old living with human immunodeficiency virus (HIV) are less likely than adults to receive the health and prevention benefits of HIV treatments, with only a small proportion having achieved sustained viral suppression. These age-related disparities in HIV continuum of care are owing in part to the unique developmental issues of adolescents and young adults as well as the complexity and fragmentation of HIV care and related services. This article summarizes a national, multiagency, and multilevel approach to HIV care for newly diagnosed youths designed to bridge some of these fragmentations by addressing National HIV/AIDS Strategy goals for people living with HIV...
May 22, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/28531190/real-time-cell-toxicity-profiling-of-tox21-10k-compounds-reveals-cytotoxicity-dependent-toxicity-pathway-linkage
#8
Jui-Hua Hsieh, Ruili Huang, Ja-An Lin, Alexander Sedykh, Jinghua Zhao, Raymond R Tice, Richard S Paules, Menghang Xia, Scott S Auerbach
Cytotoxicity is a commonly used in vitro endpoint for evaluating chemical toxicity. In support of the U.S. Tox21 screening program, the cytotoxicity of ~10K chemicals was interrogated at 0, 8, 16, 24, 32, & 40 hours of exposure in a concentration dependent fashion in two cell lines (HEK293, HepG2) using two multiplexed, real-time assay technologies. One technology measures the metabolic activity of cells (i.e., cell viability, glo) while the other evaluates cell membrane integrity (i.e., cell death, flor). Using glo technology, more actives and greater temporal variations were seen in HEK293 cells, while results for the flor technology were more similar across the two cell types...
2017: PloS One
https://www.readbyqxmd.com/read/28530675/reevaluation-of-snp-heritability-in-complex-human-traits
#9
Doug Speed, Na Cai, Michael R Johnson, Sergey Nejentsev, David J Balding
SNP heritability, the proportion of phenotypic variance explained by SNPs, has been reported for many hundreds of traits. Its estimation requires strong prior assumptions about the distribution of heritability across the genome, but current assumptions have not been thoroughly tested. By analyzing imputed data for a large number of human traits, we empirically derive a model that more accurately describes how heritability varies with minor allele frequency (MAF), linkage disequilibrium (LD) and genotype certainty...
May 22, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28530041/hiv-healthcare-transition-outcomes-among-youth-in-north-america-and-europe-a-review
#10
Vicki Tepper, Stefanie Zaner, Patrick Ryscavage
INTRODUCTION: The transition from paediatric to adult care poses risks to the health of young adults living with HIV if unsuccessful, including interruptions in care and poor health outcomes. Evolving best practices in HIV healthcare transition should ideally be informed by real-world qualitative and quantitative clinical healthcare transition outcomes. There has been a recent proliferation of HIV healthcare transition outcome research, largely from Europe and North America. METHODS: A literature search was undertaken using the online databases PubMed, Web of Science, and Google Scholar...
May 16, 2017: Journal of the International AIDS Society
https://www.readbyqxmd.com/read/28530037/where-do-hiv-infected-adolescents-go-after-transfer-tracking-transition-transfer-of-hiv-infected-adolescents-using-linkage-of-cohort-data-to-a-health-information-system-platform
#11
Mary-Ann Davies, Priscilla Tsondai, Nicki Tiffin, Brian Eley, Helena Rabie, Jonathan Euvrard, Catherine Orrell, Hans Prozesky, Robin Wood, Dolphina Cogill, Andreas D Haas, Annette H Sohn, Andrew Boulle
INTRODUCTION: To evaluate long-term outcomes in HIV-infected adolescents, it is important to identify ways of tracking outcomes after transfer to a different health facility. The Department of Health (DoH) in the Western Cape Province (WCP) of South Africa uses a single unique identifier for all patients across the health service platform. We examined adolescent outcomes after transfer by linking data from four International epidemiology Databases to Evaluate AIDS Southern Africa (IeDEA-SA) cohorts in the WCP with DoH data...
May 16, 2017: Journal of the International AIDS Society
https://www.readbyqxmd.com/read/28529714/recent-advances-in-predicting-gene-disease-associations
#12
REVIEW
Kenneth Opap, Nicola Mulder
Deciphering gene-disease association is a crucial step in designing therapeutic strategies against diseases. There are experimental methods for identifying gene-disease associations, such as genome-wide association studies and linkage analysis, but these can be expensive and time consuming. As a result, various in silico methods for predicting associations from these and other data have been developed using different approaches. In this article, we review some of the recent approaches to the computational prediction of gene-disease association...
2017: F1000Research
https://www.readbyqxmd.com/read/28528978/multimodal-control-of-transcription-factor-pap1-in-schizosaccharomyces-pombe-under-nitrosative-stress
#13
Puranjoy Kar, Pranjal Biswas, Sanjay Ghosh
Schizosaccharomyces pombe Pap1, a bZIP transcription factor, is highly homologous to the mammalian c-Jun protein that belongs to the AP1 family of transcriptional regulators. The role of transcription factor Pap1 has been extensively studied under oxidative stress. Two cysteine residues in Pap1p namely, C278 and C501 form disulfide linkage under oxidative stress resulting in nuclear accumulation. We first time showed the involvement of Pap1 in the protection against nitrosative stress. In the present study we show that pap1 deletion makes growth of S...
May 18, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28526836/characterisation-of-antibiotic-prescriptions-for-acute-respiratory-tract-infections-in-danish-general-practice-a-retrospective-registry-based-cohort-study
#14
Rune Aabenhus, Malene Plejdrup Hansen, Laura Trolle Saust, Lars Bjerrum
Inappropriate use of antibiotics is contributing to the increasing rates of antimicrobial resistance. Several Danish guidelines on antibiotic prescribing for acute respiratory tract infections in general practice have been issued to promote rational prescribing of antibiotics, however it is unclear if these recommendations are followed. We aimed to characterise the pattern of antibiotic prescriptions for patients diagnosed with acute respiratory tract infections, by means of electronic prescriptions, labeled with clinical indications, from Danish general practice...
May 19, 2017: NPJ Primary Care Respiratory Medicine
https://www.readbyqxmd.com/read/28526729/phased-genotyping-by-sequencing-enhances-analysis-of-genetic-diversity-and-reveals-divergent-copy-number-variants-in-maize
#15
Heather Manching, Subhajit Sengupta, Keith R Hopper, Shawn W Polson, Yuan Ji, Randall J Wisser
High-throughput sequencing of reduced representation genomic libraries has ushered in an era of genotyping-by-sequencing (GBS), where genome-wide genotype data can be obtained for nearly any species. However, there remains a need for imputation-free GBS methods for genotyping large samples taken from heterogeneous populations of heterozygous individuals. This requires a number of issues encountered with GBS be considered, including the sequencing of non-overlapping sets of loci across multiple GBS libraries, a common missing data problem that results in low call rates for markers per individual, and a tendency for applicability only in inbred line samples with sufficient linkage disequilibrium for accurate imputation...
May 19, 2017: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/28526250/sleep-problems-in-the-first-year-of-elementary-school-the-role-of-sleep-hygiene-gender-and-socioeconomic-status
#16
Laura K Uebergang, Sarah J Arnup, Harriet Hiscock, Esther Care, Jon Quach
OBJECTIVES: To determine (1) the relationship between sleep hygiene practices and parent-reported child sleep problems in students in the first year of elementary school, (2) whether the relationship differed by (a) gender and (b) SES and (3) in a multivariate explanatory model. DESIGN: Cross-sectional survey of a population-based sample. SETTING: Forty-five elementary schools in metropolitan Melbourne, Australia. PARTICIPANTS: Families of children aged 4-6 years in the first year of elementary school in Melbourne, Australia...
June 2017: Sleep Health
https://www.readbyqxmd.com/read/28525406/blood-pressure-among-australian-aboriginal-children
#17
Nicholas Larkins, Armando Teixeira-Pinto, Emily Banks, Hasantha Gunasekera, Alan Cass, Jane Kearnes, Jonathan C Craig
OBJECTIVES: To determine the prevalence of elevated blood pressure (BP) and potential predictors of SBP and DBP in urban Australian aboriginal children. METHODS: The Study of Environment on Aboriginal Resilience and Child Health is a prospective cohort study of urban Aboriginal children attending four Aboriginal Community Controlled Health Services in New South Wales, Australia. Clinical measures included a manual BP measured by research officers using standardized protocols...
May 18, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28524097/vegetable-and-fruit-intake-and-fracture-related-hospitalisations-a-prospective-study-of-older-women
#18
Lauren C Blekkenhorst, Jonathan M Hodgson, Joshua R Lewis, Amanda Devine, Richard J Woodman, Wai H Lim, Germaine Wong, Kun Zhu, Catherine P Bondonno, Natalie C Ward, Richard L Prince
The importance of vegetable and fruit intakes for the prevention of fracture in older women is not well understood. Few studies have explored vegetable and fruit intakes separately, or the associations of specific types of vegetables and fruits with fracture hospitalisations. The objective of this study was to examine the associations of vegetable and fruit intakes, separately, and specific types of vegetables and fruits with fracture-related hospitalisations in a prospective cohort of women aged ≥70 years...
May 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28524084/bordetella-holmesii-lipid-a-structures-and-corresponding-genomic-sequences-comparison-in-three-clinical-isolates-and-the-reference-strain-atcc-51541
#19
Valérie Bouchez, Sami AlBitar-Nehmé, Alexey Novikov, Nicole Guiso, Martine Caroff
Bordetella holmesii can cause invasive infections but can also be isolated from the respiratory tract of patients with whooping-cough like symptoms. For the first time, we describe the lipid A structure of B. holmesii reference strain ATCC 51541 (alias NCTC12912 or CIP104394) and those of three French B. holmesii clinical isolates originating from blood (Bho1) or from respiratory samples (FR4020 and FR4101). They were investigated using chemical analyses, gas chromatography-mass spectrometry (GC-MS), and matrix-assisted laser desorption ionization-mass spectrometry (MALDI-MS)...
May 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28524053/reduced-frequency-of-non-melanoma-skin-cancer-in-72-739-patients-with-psoriasis-a-retrospective-study
#20
Andrea Paradisi, Biagio Didona, Stefano Tabolli, Francesco Ricci, Luciano Sobrino, Annarita Panebianco, Damiano Abeni
Chronic inflammatory conditions, such as psoriasis, may pose an increased risk of cancer due to impaired immunosurveillance resulting from chronic inflammation and immunosuppressive medications. To compare the risk of non-melanoma skin cancer (NMSC) in a retrospective cohort of 72,739 psoriasis patients and 25,956 non-dermatological patients. A record linkage was performed for data on hospitalizations, and the occurrence of NMSC was compared by computing the relative risk (RR) and modelled using multiple logistic regression...
May 19, 2017: European Journal of Dermatology: EJD
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