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https://www.readbyqxmd.com/read/28231684/emergency-peripartum-hysterectomy-a-challenge-or-an-obstetrical-defeat
#1
(no author information available yet)
OBJECTIVES: Peripartum hysterectomy remains an obstetric nightmare. Most obstetricians consider it a defeat. The aim of our study was to assess the prevalence, indications, procedures and complications of emergency peripartum hysterectomy (EPH) in the 2nd Department of Obstetrics & Gynecology, Medical University of Warsaw during a 7 year period (2007-2013). METHODS: A retrospective evaluation of 21,144 deliveries was performed. We analyzed all cases of EPH, including the maternal characteristics, obstetrical history, course of pregnancy and delivery, type of surgery and complications...
October 24, 2016: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/28231506/plant-chromium-uptake-and-transport-physiological-effects-and-recent-advances-in-molecular-investigations
#2
REVIEW
Maria Angélica da Conceição Gomes, Rachel Ann Hauser-Davis, Marina Satika Suzuki, Angela Pierre Vitória
Increasingly, anthropogenic perturbations of the biosphere manifest in a broad array of global phenomena, causing widespread contamination of most ecosystems, with high dispersion rates of many contaminants throughout different environmental compartments, including metals. Chromium (Cr) contamination in particular, is, increasingly, posing a serious threat to the environment, emerging as a major health hazard to the biota. However, although the molecular and physiological mechanisms of plant responses to many heavy metals, especially lead (Pb) and cadmium (Cd), have been focused upon in recent years, chromium has attracted significantly less attention...
February 20, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28231404/express-or-repress-the-transcriptional-dilemma-of-damaged-chromatin
#3
Ilaria Capozzo, Fabio Iannelli, Sofia Francia, Fabrizio d'Adda di Fagagna
The fine modulation of transcriptional activity around DNA lesions is essential to carefully regulate the crosstalk between transcription, the DNA damage response, and DNA repair, particularly when the lesion occurs next to, or within, actively transcribed genes. Recently, several studies have been carried out to investigate how DNA lesions have an impact on local transcription, but the emerging model remains incomplete. Transcription of genes around damaged DNA is actively down-regulated by the DNA damage response through different mechanisms, which appear specific to the chromatin context, the type of DNA damage or its complexity...
February 23, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28231338/genes-encoding-two-theileria-parva-antigens-recognized-by-cd8-t-cells-exhibit-sequence-diversity-in-south-sudanese-cattle-populations-but-the-majority-of-alleles-are-similar-to-the-muguga-component-of-the-live-vaccine-cocktail
#4
Diaeldin A Salih, Roger Pelle, Joram M Mwacharo, Moses N Njahira, Wani L Marcellino, Henry Kiara, Agol K Malak, Abdel Rahim M El Hussein, Richard Bishop, Robert A Skilton
East Coast fever (ECF), caused by Theileria parva infection, is a frequently fatal disease of cattle in eastern, central and southern Africa, and an emerging disease in South Sudan. Immunization using the infection and treatment method (ITM) is increasingly being used for control in countries affected by ECF, but not yet in South Sudan. It has been reported that CD8+ T-cell lymphocytes specific for parasitized cells play a central role in the immunity induced by ITM and a number of T. parva antigens recognized by parasite-specific CD8+ T-cells have been identified...
2017: PloS One
https://www.readbyqxmd.com/read/28231312/analysis-of-the-t-cell-response-to-zika-virus-and-identification-of-a-novel-cd8-t-cell-epitope-in-immunocompetent-mice
#5
Ryan D Pardy, Maaran M Rajah, Stephanie A Condotta, Nathan G Taylor, Selena M Sagan, Martin J Richer
Zika virus (ZIKV) is an emerging arbovirus of the Flaviviridae family. Although ZIKV infection is typically mild and self-limiting in healthy adults, infection has been associated with neurological symptoms such as Guillain-Barré syndrome, and a causal link has been established between fetal microcephaly and ZIKV infection during pregnancy. These risks, and the magnitude of the ongoing ZIKV pandemic, have created an urgent need for the development of animal models to study the immune response to ZIKV infection...
February 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28231127/a-summary-of-the-united-states-food-and-drug-administrations-food-safety-program-for-imported-seafood-one-country-s-approach
#6
REVIEW
Brett Koonse
It is well known that the vast majority of seafood is captured or farmed in emerging countries and exported to developed countries. This has resulted in seafood being the number one traded food commodity in the world. Food safety is essential to this trade. Exporting countries should understand the regulatory food safety programs of the countries they ship to in order to comply with their applicable laws and regulations to avoid violations and disruptions in trade. The United States (U.S.) imports more seafood than any individual country in the world but the European Union (E...
April 29, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28231124/food-safety-impacts-from-post-harvest-processing-procedures-of-molluscan-shellfish
#7
REVIEW
George L Baker
Post-harvest Processing (PHP) methods are viable food processing methods employed to reduce human pathogens in molluscan shellfish that would normally be consumed raw, such as raw oysters on the half-shell. Efficacy of human pathogen reduction associated with PHP varies with respect to time, temperature, salinity, pressure, and process exposure. Regulatory requirements and PHP molluscan shellfish quality implications are major considerations for PHP usage. Food safety impacts associated with PHP of molluscan shellfish vary in their efficacy and may have synergistic outcomes when combined...
April 18, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28231021/high-complication-rate-after-introduction-of-transbronchial-cryobiopsy-into-clinical-practice-at-an-academic-medical-center
#8
David M DiBardino, Andrew R Haas, Anthony R Lanfranco, Leslie A Litzky, Daniel Sterman, Jamie L Bessich
RATIONALE: Transbronchial cryobiopsy is an emerging technique for obtaining biopsies of lung parenchyma. Despite limited evidence of safety and efficacy in direct comparison to other available biopsy procedures, pulmonologists are integrating this technique into clinical practice with the hope of avoiding the risks of surgical lung biopsy. OBJECTIVES: To report the rate of severe complications and diagnostic outcomes immediately after introduction of transbronchial cryobiopsy into the clinical practice of a single-center, high-volume, interventional pulmonary group at a large academic medical center in the United States...
February 23, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28230733/ck2-molecular-targeting-tumor-cell-specific-delivery-of-rnai-in-various-models-of-cancer
#9
REVIEW
Janeen H Trembley, Betsy T Kren, Md Joynal Abedin, Rachel I Vogel, Claire M Cannon, Gretchen M Unger, Khalil Ahmed
Protein kinase CK2 demonstrates increased protein expression relative to non-transformed cells in the majority of cancers that have been examined. The elevated levels of CK2 are involved in promoting not only continued proliferation of cancer cells but also their resistance to cell death; thus, CK2 has emerged as a plausible target for cancer therapy. Our focus has been to target CK2 catalytic subunits at the molecular level using RNA interference (RNAi) strategies to achieve their downregulation. The delivery of oligonucleotide therapeutic agents warrants that they are protected and are delivered specifically to cancer cells...
February 21, 2017: Pharmaceuticals
https://www.readbyqxmd.com/read/28230691/original-research-how-to-create-a-poster-that-attracts-an-audience
#10
Sandra L Siedlecki
: : Background: Nurses developing a poster presentation for the first time who look for guidance in the literature will find many articles offering recommendations on format and style, but these are based on opinion rather than evidence. PURPOSE: The purpose of this study was to identify the attributes of a poster that improved the chance that nursing conference attendees would read it. METHODS: A mixed-methods descriptive study employing survey methodology was used to assess the perceptions of nurses attending poster sessions at a two-day nursing conference...
March 2017: American Journal of Nursing
https://www.readbyqxmd.com/read/28230376/facet-dependent-thermal-instability-in-licoo2
#11
Soroosh Sharifi-Asl, Fernando A Soto, Anmin Nie, Yifei Yuan, Hasti Asayesh-Ardakani, Tara Foroozan, Vitaliy Yurkiv, Boao Song, Farzad Mashayek, Robert F Klie, Khalil Amine, Jun Lu, Perla B Balbuena, Reza Shahbazian-Yassar
Thermal runaways triggered by the oxygen release from oxide cathode materials pose a major safety concern for widespread application of lithium ion batteries. Utilizing in-situ aberration-corrected scanning transmission electron microscopy (STEM) and electron energy loss spectroscopy (EELS) at high temperatures, we show that oxygen release from LixCoO2 cathode crystals is occurring at the surface of particles. We correlated this local oxygen evolution from the LixCoO2 structure with local phase transitions spanning from layered to spinel and then to rock salt structure upon exposure to elevated temperatures...
February 23, 2017: Nano Letters
https://www.readbyqxmd.com/read/28230262/evaluation-of-the-immunogenicity-of-the-dabigatran-reversal-agent-idarucizumab-during-phase-i-studies
#12
Stephen Norris, Steven Ramael, Ippei Ikushima, Wouter Haazen, Akiko Harada, Viktoria Moschetti, Susumu Imazu, Paul A Reilly, Benjamin Lang, Joachim Stangier, Stephan Glund
AIMS: Idarucizumab, a humanized monoclonal anti-dabigatran antibody fragment, is effective in emergency reversal of dabigatran anticoagulation. Pre-existing and treatment-emergent anti-idarucizumab antibodies (antidrug antibodies; ADA) may affect the safety and efficacy of idarucizumab. This analysis characterized the pre-existing and treatment-emergent ADA and assessed their impact on the pharmacokinetics and pharmacodynamics (PK/PD) of idarucizumab. METHODS: Data were pooled from three phase I, randomized, double-blind idarucizumab studies in healthy Caucasian; elderly, renally impaired subjects; and healthy Japanese subjects...
February 23, 2017: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28230102/identification-of-a-new-virulent-clade-in-enterohemorrhagic-escherichia-coli-o26-h11-h-sequence-type-29
#13
Nozomi Ishijima, Ken-Ichi Lee, Tomomi Kuwahara, Haruyuki Nakayama-Imaohji, Saori Yoneda, Atsushi Iguchi, Yoshitoshi Ogura, Tetsuya Hayashi, Makoto Ohnishi, Sunao Iyoda
Enterohemorrhagic Escherichia coli (EHEC) O26 infections cause severe human diseases such as hemolytic uremic syndrome and encephalopathy, and is the predominant serogroup among non-O157 EHEC in many countries. Shiga toxin (Stx), which consists of two distinct types (Stx1 and Stx2), plays a central role in EHEC pathogenesis. The major stx gene type in EHEC O26 strains is stx1, although isolates with only stx2 have emerged in Japan since 2012 and have been reported in Europe. In this study, we selected 27 EHEC O26 strains isolated in Japan and identified a distinct genetic clade within sequence type (ST) 29, designated ST29C1, that carried only stx2 and had the plasmid gene profile ehxA+/katP-/espP+/etpD-...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28230068/structural-evolutions-and-hereditary-characteristics-of-icosahedral-nano-clusters-formed-in-mg70zn30-alloys-during-rapid-solidification-processes
#14
Yong-Chao Liang, Rang-Su Liu, Quan Xie, Ze-An Tian, Yun-Fei Mo, Hai-Tao Zhang, Hai-Rong Liu, Zhao-Yang Hou, Li-Li Zhou, Ping Peng
To investigate the structural evolution and hereditary mechanism of icosahedral nano-clusters formed during rapid solidification, a molecular dynamics (MD) simulation study has been performed for a system consisting of 10(7) atoms of liquid Mg70Zn30 alloy. Adopting Honeycutt-Anderson (HA) bond-type index method and cluster type index method (CTIM-3) to analyse the microstructures in the system it is found that for all the nano-clusters including 2~8 icosahedral clusters in the system, there are 62 kinds of geometrical structures, and those can be classified, by the configurations of the central atoms of basic clusters they contained, into four types: chain-like, triangle-tailed, quadrilateral-tailed and pyramidal-tailed...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28229951/chemical-and-toxicological-characterizations-of-hydraulic-fracturing-flowback-and-produced-water
#15
Yuhe He, Shannon L Flynn, Erik J Folkerts, Yifeng Zhang, Dongliang Ruan, Daniel S Alessi, Jonathan W Martin, Greg G Goss
Hydraulic fracturing (HF) has emerged as a major method of unconventional oil and gas recovery. The toxicity of hydraulic fracturing flowback and produced water (HF-FPW) has not been previously reported and is complicated by the combined complexity of organic and inorganic constituents in HF fluids and deep formation water. In this study, we characterized the solids, salts, and organic signatures in an HF-FPW sample from the Duvernay Formation, Alberta, Canada. Untargeted HPLC-Orbitrap revealed numerous unknown dissolved polar organics...
February 14, 2017: Water Research
https://www.readbyqxmd.com/read/28229904/regulation-of-g-protein-coupled-receptor-signalling-underpinning-neurobiology-of-mood-disorders-and-depression
#16
Dimitris K Grammatopoulos
G-protein coupled receptors (GPCRs) have long been at the centre of investigations of the neurobiology of depression and mood disorders. Different facets of GPCR signalling pathways, including those controlling monoaminergic and neuropeptidergic hormonal systems are believed to be dysregulated in major depressive and bipolar disorders. Although these receptors are key molecular targets for a variety of therapeutic agents and continue to be the focus of intense pharmaceutical development, the molecular mechanisms activated by these GPCRs and underpin the pathological basis of mood disorders remain poorly understood...
February 13, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28229048/anaplasma-phagocytophilum-infection-subverts-carbohydrate-metabolic-pathways-in-the-tick-vector-ixodes-scapularis
#17
Alejandro Cabezas-Cruz, Pilar Alberdi, James J Valdés, Margarita Villar, José de la Fuente
The obligate intracellular pathogen, Anaplasma phagocytophilum, is the causative agent of human, equine, and canine granulocytic anaplasmosis and tick-borne fever (TBF) in ruminants. A. phagocytophilum has become an emerging tick-borne pathogen in the United States, Europe, Africa, and Asia, with increasing numbers of infected people and animals every year. It has been recognized that intracellular pathogens manipulate host cell metabolic pathways to increase infection and transmission in both vertebrate and invertebrate hosts...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28228972/emergency-preparedness-and-management-at-the-university-of-l-aquila-central-italy-and-the-role-of-students-associations-in-the-april-6th-2009-earthquake
#18
Michele Magni, Rita Fraboni, Fausto Marincioni
INTRODUCTION: On April 6th 2009 an earthquake of Mw=6.3 hit the historical downtown of L'Aquila and its hinterland causing more than 300 fatalities and severe damage to private and public buildings. At the time, the University of L'Aquila represented a major source of employment and income for the city. The earthquake impacted both the facilities and the administrative, financial and patrimonial activities of the university, bringing into the open the tendency - widespread in Italy - to rely on adaptive tactics rather than on strategic pre-disaster plans...
January 12, 2017: PLoS Currents
https://www.readbyqxmd.com/read/28228824/preferred-view-and-transducer-in-lumbar-ultrasound-in-overweight-and-obese-patients
#19
Shervin Farahmand, Somayeh Safavi, Shahriar Shahriarian, Mona Arbab, Hamed Basirghafoori, Shahram Bagheri-Hariri
BACKGROUND: Ultrasound can be used to facilitate lumbar puncture, especially in obese patients. METHODS: In this study, midline and paramedian approaches with curved and linear transducers were compared in patients with Body Mass Index (BMI) above 25 kg/m(2) for the identification of spinal landmarks. In each view, six major landmarks, including spinous process, ligamentum flavum, laminae, epidural space, subarachnoid space and posterior longitudinal ligament, were detected by emergency medicine residents and were then reviewed by radiologists...
February 2017: Ultrasound: Journal of the British Medical Ultrasound Society
https://www.readbyqxmd.com/read/28228741/perception-and-modeling-of-affective-qualities-of-musical-instrument-sounds-across-pitch-registers
#20
Stephen McAdams, Chelsea Douglas, Naresh N Vempala
Composers often pick specific instruments to convey a given emotional tone in their music, partly due to their expressive possibilities, but also due to their timbres in specific registers and at given dynamic markings. Of interest to both music psychology and music informatics from a computational point of view is the relation between the acoustic properties that give rise to the timbre at a given pitch and the perceived emotional quality of the tone. Musician and nonmusician listeners were presented with 137 tones produced at a fixed dynamic marking (forte) playing tones at pitch class D# across each instrument's entire pitch range and with different playing techniques for standard orchestral instruments drawn from the brass, woodwind, string, and pitched percussion families...
2017: Frontiers in Psychology
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