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https://www.readbyqxmd.com/read/28743008/wastewater-contamination-in-antarctic-melt-water-streams-evidenced-by-virological-and-organic-molecular-markers
#1
L F L Tort, K Iglesias, C Bueno, A Lizasoain, M Salvo, J Cristina, N Kandratavicius, L Pérez, R Figueira, M C Bícego, S Taniguchi, N Venturini, E Brugnoli, R Colina, M Victoria
Human activities in the Antarctica including tourism and scientific research have been raised substantially in the last century with the concomitant impact on the Antarctic ecosystems through the release of wastewater mainly from different scientific stations activities. The aim of this study was to assess the wastewater contamination of surface waters and sediments of three melt-water streams (11 sites) by leaking septic tanks located in the vicinity of the Uruguayan Scientific Station in the Fildes Peninsula, King George Island, Antarctica, during summer 2015...
July 22, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28742987/caring-for-children-while-working-in-agriculture-the-perspective-of-farmworker-parents
#2
Amy K Liebman, Juliana Simmons, Marsha Salzwedel, Antonio Tovar-Aguilar, Barbara Lee
Access to safe, off-farm childcare is often a challenge for farmworkers with young children and is likely to become an increasingly salient barrier as more agricultural workers migrate together with families and as the number of women entering the agricultural workforce increases. Agriculture is one of the most hazardous industries, and the presence of young children in the workplace puts them at risk. To better understand the current nature of childcare for farmworker families and the challenges to accessing services, this project facilitated in-person surveys with 132 parents in three communities in Florida...
July 25, 2017: Journal of Agromedicine
https://www.readbyqxmd.com/read/28742854/risk-of-exposure-to-potential-vector-mosquitoes-for-rural-workers-in-northern-lao-pdr
#3
Julie-Anne A Tangena, Phoutmany Thammavong, Steve W Lindsay, Paul T Brey
BACKGROUND: One major consequence of economic development in South-East Asia has been a rapid expansion of rubber plantations, in which outbreaks of dengue and malaria have occurred. Here we explored the difference in risk of exposure to potential dengue, Japanese encephalitis (JE), and malaria vectors between rubber workers and those engaged in traditional forest activities in northern Laos PDR. METHODOLOGY/PRINCIPAL FINDINGS: Adult mosquitoes were collected for nine months in secondary forests, mature and immature rubber plantations, and villages...
July 25, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28742851/knowledge-attitude-and-practice-for-cervical-cancer-prevention-and-control-among-women-of-childbearing-age-in-hossana-town-hadiya-zone-southern-ethiopia-community-based-cross-sectional-study
#4
Yitagesu Habtu Aweke, Samuel Yohannes Ayanto, Tariku Laelago Ersado
BACKGROUND: Cervical cancer is the second most common female cancer which Ethiopia put a strategic goal to reduce its incidence and mortality by 2020. Lack of knowledge and poor attitude towards the disease and risk factors can affect screening practice and development of preventive behavior for cervical cancer. The aim of this study was to assess knowledge, attitude, practices and factors for each domain for cervical cancer among women of child bearing age in Hossana town, Southern, Ethiopia...
2017: PloS One
https://www.readbyqxmd.com/read/28742713/does-prolonged-enteral-feeding-with-supplemental-omega-3-fatty-acids-impact-on-recovery-post-esophagectomy-results-of-a-randomized-double-blind-trial
#5
Laura A Healy, Aoife Ryan, Suzanne L Doyle, Éadaoin Bríd Ní Bhuachalla, Samantha Cushen, Ricardo Segurado, Thomas Murphy, Narayanasamy Ravi, Claire L Donohoe, John V Reynolds
OBJECTIVE: This randomized controlled trial (RCT) hypothesized that prolonged enteral nutrition (EN) with supplemental eicosapentanoic acid (EPA), an omega-3 fatty acid with immune and anabolic properties, may impact on clinical and nutritional outcomes. BACKGROUND: Esophagectomy is associated with significant weight loss and catabolism, and negatively impacts quality of life (QL). Strategies to counter sustained catabolism have therapeutic rationale. METHODS: This multicenter, double-blind, placebo-controlled RCT was powered on a 5% difference in lean body mass (LBM) at 1 month...
July 24, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28742704/racial-ethnic-disparities-in-longer-term-outcomes-among-emergency-general-surgery-patients-the-unique-experience-of-universally-insured-older-adults
#6
Cheryl K Zogg, Wei Jiang, Taylor D Ottesen, Shahid Shafi, Kevin Schuster, Robert Becher, Kimberly A Davis, Adil H Haider
OBJECTIVES: To determine whether racial/ethnic disparities in 30/90/180-day mortality, major morbidity, and unplanned readmissions exist among universally insured older adult (≥65 years) emergency general surgery patients; vary by diagnostic category; and can be explained by variations in geography, teaching status, age-cohort, and a hospital's percentage of minority patients. SUMMARY OF BACKGROUND DATA: As the US population ages and discussions surrounding the optimal method of insurance provision increasingly enter into national debate, longer-term outcomes are of paramount concern...
July 24, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28742479/understanding-and-combating-resistance-to-online-learning
#7
John Vivolo
Resistance to change is an easy thing for human beings to understand. It is at the heart of our desire to find comfort with the familiar such as family, friends and our homes. We create homes that are designed a certain way and usually are slow to change. We make friends for years and keep those memories etched in stone, even though time and age create a romanticised version of the past. Change scares us so much that we reflect on our past, the old days, with such reverence that we paint over the ugly parts...
December 1, 2016: Science Progress
https://www.readbyqxmd.com/read/28742412/post-high-school-changes-in-tobacco-and-cannabis-use-in-the-united-states
#8
Fearghal O'brien, Bruce Simons-Morton, Ashok Chaurasia, Jeremy Luk, Denise Haynie, Danping Liu
BACKGROUND: The transition from high school into young adulthood is a critical developmental period with many young people going to college, moving residence, and entering the work force for the first time. The NEXT Generation Health Study (NEXT) is a nationally representative longitudinal study of adolescent health behaviors. Previous NEXT research has found that the post-high school environment is associated with changes in alcohol use. OBJECTIVES: The current study investigated the impact of school status, residential status, and work status on cannabis and cigarette use among post-high school participants...
July 25, 2017: Substance Use & Misuse
https://www.readbyqxmd.com/read/28742403/lpxc-inhibitors-a-patent-review-2010-2016
#9
Dmitrii V Kalinin, Ralph Holl
The Zn(2+)-dependent deacetylase LpxC is an essential enzyme of lipid A biosynthesis in Gram-negative bacteria and a promising target for the development of antibiotics selectively combating Gram-negative pathogens. Researchers from industry and academia have synthesized structurally diverse LpxC inhibitors, exhibiting different LpxC inhibitory and antibacterial activities. Areas covered: A brief introduction into the structure and function of LpxC, showing its suitability as antibacterial target, along with the structures of several reported LpxC inhibitors, is given...
July 25, 2017: Expert Opinion on Therapeutic Patents
https://www.readbyqxmd.com/read/28742377/reducing-delay-in-diagnosis-multistage-recommendation-tracking
#10
Ben Wandtke, Sarah Gallagher
OBJECTIVE: The purpose of this study was to determine whether a multistage tracking system could improve communication between health care providers, reducing the risk of delay in diagnosis related to inconsistent communication and tracking of radiology follow-up recommendations. MATERIALS AND METHODS: Unconditional recommendations for imaging follow-up of all diagnostic imaging modalities excluding mammography (n = 589) were entered into a database and tracked through a multistage tracking system for 13 months...
July 25, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28742226/documentation-of-penicillin-adverse-drug-reactions-in-electronic-health-records-inconsistent-use-of-allergy-and-intolerance-labels
#11
Joshua M Inglis, Gillian E Caughey, William Smith, Sepehr Shakib
BACKGROUND: The majority of patients with penicillin allergy labels tolerate penicillins. Inappropriate avoidance of penicillin is associated with increased hospitalisation, infections and healthcare costs. AIMS: To examine the documentation of penicillin adverse drug reactions (ADR) in a large-scale hospital-based electronic health record. METHODS: Penicillin ADRs were extracted from 96,708 patient records in the Enterprise Patient Administration System in South Australia...
July 25, 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/28742106/epidemiology-of-enteroaggregative-escherichia-coli-infections-and-associated-outcomes-in-the-mal-ed-birth-cohort
#12
Elizabeth T Rogawski, Richard L Guerrant, Alexandre Havt, Ila F N Lima, Pedro H Q S Medeiros, Jessica C Seidman, Benjamin J J McCormick, Sudhir Babji, Dinesh Hariraju, Ladaporn Bodhidatta, Jasmin Shrestha, Japhat Anania, Athanasia Maro, Amidou Samie, Pablo Peñataro Yori, Shahida Qureshi, Mustafa Mahfuz, Pascal O Bessong, Margaret N Kosek, Tahmeed Ahmed, Zulfiqar A Bhutta, Dennis R Lang, Michael Gottlieb, Eric R Houpt, Aldo A M Lima
BACKGROUND: Enteroaggregative E. coli (EAEC) have been associated with mildly inflammatory diarrhea in outbreaks and in travelers and have been increasingly recognized as enteric pathogens in young children with and without overt diarrhea. We examined the risk factors for EAEC infections and their associations with environmental enteropathy biomarkers and growth outcomes over the first two years of life in eight low-resource settings of the MAL-ED study. METHODS: EAEC infections were detected by PCR gene probes for aatA and aaiC virulence traits in 27,094 non-diarrheal surveillance stools and 7,692 diarrheal stools from 2,092 children in the MAL-ED birth cohort...
July 24, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28742068/a-peptide-based-viral-inactivator-inhibits-zika-virus-infection-in-pregnant-mice-and-fetuses
#13
Yufeng Yu, Yong-Qiang Deng, Peng Zou, Qian Wang, Yanyan Dai, Fei Yu, Lanying Du, Na-Na Zhang, Min Tian, Jia-Nan Hao, Yu Meng, Yuan Li, Xiaohui Zhou, Jasper Fuk-Woo Chan, Kwok-Yung Yuen, Cheng-Feng Qin, Shibo Jiang, Lu Lu
Zika virus (ZIKV), a re-emerging flavivirus associated with neurological disorders, has spread rapidly to more than 70 countries and territories. However, no specific vaccines or antiviral drugs are currently available to prevent or treat ZIKV infection. Here we report that a synthetic peptide derived from the stem region of ZIKV envelope protein, designated Z2, potently inhibits infection of ZIKV and other flaviviruses in vitro. We show that Z2 interacts with ZIKV surface protein and disrupts the integrity of the viral membrane...
July 25, 2017: Nature Communications
https://www.readbyqxmd.com/read/28742001/molecular-cloning-of-porcine-siglec-3-siglec-5-and-siglec-10-and-identification-of-siglec-10-as-an-alternative-receptor-for-porcine-reproductive-and-respiratory-syndrome-virus-prrsv
#14
Jiexiong Xie, Isaura Christiaens, Bo Yang, Wander Van Breedam, Tingting Cui, Hans J Nauwynck
In recent years, several entry mediators have been characterized for porcine reproductive and respiratory syndrome virus (PRRSV). Porcine sialoadhesin [pSn, also known as sialic acid-binding immunoglobulin-type lectin (Siglec-1)] and porcine CD163 (pCD163) have been identified as the most important host entry mediators that can fully coordinate PRRSV infection into macrophages. However, recent isolates have not only shown a tropism for sialoadhesin-positive cells, but also for sialoadhesin-negative cells. This observation might be partly explained by the existence of additional receptors that can support PRRSV binding and entry...
July 26, 2017: Journal of General Virology
https://www.readbyqxmd.com/read/28741728/ebi2-contributes-to-the-induction-of-thymic-central-tolerance-in-mice-by-promoting-rapid-motility-of-medullary-thymocytes
#15
Sanghee Ki, Hiran M Thyagarajan, Zicheng Hu, Jessica N Lancaster, Lauren I R Ehrlich
Maturing thymocytes enter the thymic medulla, where they encounter numerous self-antigens presented by antigen presenting cells (APCs). Those thymocytes that are strongly self-reactive undergo either negative selection or diversion into the regulatory T cell lineage. Although the majority of the proteome is expressed in the medulla, many self-antigens are expressed by only a minor fraction of medullary APCs; thus, thymocytes must efficiently enter the medulla and scan APCs to ensure central tolerance. Chemokine receptors promote lymphocyte migration, organization within tissues, and interactions with APCs in lymphoid organs...
July 25, 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/28741663/carbon-dioxide-flush-of-an-integrated-minimized-perfusion-circuit-prior-to-priming-prevents-spontaneous-air-release-into-the-arterial-line-during-clinical-use
#16
Marco C Stehouwer, Roel de Vroege, Gerard J F Hoohenkerk, Frederik N Hofman, Johannes C Kelder, Bas Buchner, Bastian A de Mol, Peter Bruins
Recently, an oxygenator with an integrated centrifugal blood pump (IP) was designed to minimize priming volume and to reduce blood foreign surface contact even further. The use of this oxygenator with or without integrated arterial filter was compared with a conventional oxygenator and nonintegrated centrifugal pump. To compare the air removal characteristics 60 patients undergoing coronary artery bypass grafting were alternately assigned into one of three groups to be perfused with a minimized extracorporeal circuit either with the conventional oxygenator, the oxygenator with IP, or the oxygenator with IP plus integrated arterial filter (IAF)...
July 25, 2017: Artificial Organs
https://www.readbyqxmd.com/read/28741642/fabricating-chiroptical-starfruit-like-au-nanoparticles-via-interface-modulation-of-chiral-thiols
#17
Jiao Yan, Yuandong Chen, Shuai Hou, Jiaqi Chen, Dejing Meng, Hui Zhang, Huizhen Fan, Yinglu Ji, Xiaochun Wu
The surface/interface matters as the size of materials enters the nanoscale. Control of surface/interface, therefore, plays an important role in creating novel nanostructures with unusual properties and in obtaining devices with high performance. Herein, we demonstrate unique interface regulation in fabricating nanostructures with strong plasmonic circular dichroism (PCD). With chiral cysteine (Cys) as surface-modulating molecules, starfruit-like Au nanoparticles (NPs) with high PCD responses are obtained via Au overgrowth on Au nanorods (AuNRs)...
July 25, 2017: Nanoscale
https://www.readbyqxmd.com/read/28741495/adaptive-stress-responses-during-tumor-metastasis-and-dormancy
#18
REVIEW
Daniela Senft, Ze'ev A Ronai
To survive inhospitable environments, tumor cells are forced to remodel their signaling pathways by altering transcription, translation, and post-translational modifications. This adaptation is regulated in a spatial and temporal manner and gives rise to individual tumor cells with distinct gene expression and metabolic signatures. Such phenotypic heterogeneity is the result of tumor cell plasticity, which-together with the genetic background of the tumor-determines whether cells resist environmental stress, enter dormancy, or metastasize...
August 2016: Trends in Cancer
https://www.readbyqxmd.com/read/28741263/unmet-needs-in-the-pathogenesis-and-treatment-of-cardiovascular-comorbidities-in-chronic-inflammatory-diseases
#19
REVIEW
Cristina Panico, Gianluigi Condorelli
The developments that have taken place in recent decades in the diagnosis and therapy of a number of diseases have led to improvements in prognosis and life expectancy. As a consequence, there has been an increase in the number of patients affected by chronic diseases and who can face new pathologies during their lifetime. The prevalence of chronic heart failure, for example, is approximately 1-2% of the adult population in developed countries, rising to ≥10% among people >70 years of age; in 2015, more than 85 million people in Europe were living with some sort of cardiovascular disease (CVD) (Lubrano and Balzan World J Exp Med 5:21-32, 5; Takahashi et al...
July 24, 2017: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/28741121/interaction-of-newly-platinum-ii-with-tris-2-carboxyethyl-phosphine-complex-with-dna-and-model-lipid-membrane
#20
Hanna Pruchnik, Teresa Kral, Martin Hof
Structural properties of plasmid DNA and model lipid membrane treated with newly synthesized platinum(II) complex cis-[PtCl2{P(CH2CH2COOH)3}2] (cis-DTCEP for short) were studied and compared with effects of anticancer drug cisplatin, cis-[Pt(NH3)2Cl2] (cis-DDP for short). Time Correlated Single Photon Counting Fluorescence Correlation Spectroscopy (TCSPC-FCS) was employed to study interactions between those platinum complexes and DNA. The TCSPC-FCS results suggest that bonding of cis-DTCEP derivative to DNA leads to plasmid strain realignment towards much more compact structure than in the case of cis-DDP...
July 25, 2017: Journal of Membrane Biology
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