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María Victoria Repetto, Matthew J Winters, Alan Bush, Wolfgang Reiter, David Maria Hollenstein, Gustav Ammerer, Peter M Pryciak, Alejandro Colman-Lerner
We report an unanticipated system of joint regulation by cyclin-dependent kinase (CDK) and mitogen-activated protein kinase (MAPK), involving collaborative multi-site phosphorylation of a single substrate. In budding yeast, the protein Ste5 controls signaling through a G1 arrest pathway. Upon cell-cycle entry, CDK inhibits Ste5 via multiple phosphorylation sites, disrupting its membrane association. Using quantitative time-lapse microscopy, we examined Ste5 membrane recruitment dynamics at different cell-cycle stages...
March 15, 2018: Molecular Cell
Veronika Reiterer, Cristina Figueras-Puig, Francois Le Guerroue, Stefano Confalonieri, Manuela Vecchi, Dasaradha Jalapothu, Sandip M Kanse, Raymond J Deshaies, Pier Paolo Di Fiore, Christian Behrends, Hesso Farhan
No abstract text is available yet for this article.
March 15, 2018: EMBO Journal
Sellappan Selvaraju, Sivashanmugam Parthipan, Lakshminarayana Somashekar, B Krishnan Binsila, Atul P Kolte, Arunachalam Arangasamy, Janivara Parameshwaraiah Ravindra, Stephen A Krawetz
With artificial insemination (AI) and other precision dependent assisted reproductive technologies (ART) being followed in large scale in human and animal reproduction, assessing semen quality and fertilizability is under continuous scrutiny. Various tests have been developed to predict semen quality, but so far no single, highly reliable test is available. In this regard, transcriptomic profiling of spermatozoa assumes significance as it carries the information about spermatogenesis, sperm function, and paternal roles in post-fertilization events...
March 14, 2018: Systems Biology in Reproductive Medicine
V Campbell, R Beckett, N Abid, S Hoey
Infantile hepatic hemangiomas (IHH), particularly of the diffuse subtype, can in severe cases be associated with hepatic and cardiac failure, compartment syndrome, and consumptive hypothyroidism. Early recognition and treatment of these pathologies is paramount in order to minimise the risk of longterm sequelae. We report an interesting case of a female infant who presented with systemic compromise, in the absence of large or obvious cutaneous infantile hemangiomas (IH). Imaging identified innumerable hepatic hemangiomas, consistent with diffuse infantile hepatic hemangiomatosis...
February 28, 2018: Journal of Clinical Research in Pediatric Endocrinology
Shannon Ang
OBJECTIVE: Few studies have tested the purported causal mechanisms between social participation and health, especially among those in poor health. This study aimed to determine whether self-management of chronic disease operates as a pathway through which social participation affects health-related quality of life. METHOD: I utilized causal mediation analysis among 600 low-income older Singaporeans living with chronic conditions, to test whether self-management mediates the association between social participation and health-related quality of life...
March 1, 2018: Journal of Aging and Health
Abir Monastiri, Badereddine Mechri, Ana Vázquez-González, Meriadeg Ar Gouilh, Mohamed Chakroun, Chawki Loussaief, Maha Mastouri, Najet Dimassi, Lamjed Boughzala, Mahjoub Aouni, Jordi Serra-Cobo
A West Nile virus (WNV) outbreak occurred in Tunisia between mid-July and December 2012. To assess the epidemiological features of the WNV transmission cycle, human cerebrospinal fluid samples from patients with suspected cases (n = 79), Culex pipiens mosquitoes (n = 583) and serum specimens from domestic and migratory birds (n = 70) were collected for 4 years (2011-2014) in the Tunisian Sahel region. Viral testing was performed by polymerase chain reaction (PCR). The WNV genome was detected in 7 patients (8...
March 14, 2018: Emerging Microbes & Infections
Christopher M Shea, Kea Turner, Jordan Albritton, Kristin L Reiter
BACKGROUND: Recent emphasis on value-based health care has highlighted the importance of quality improvement (QI) in primary care settings. QI efforts, which require providers and staff to work in cross-functional teams, may be implemented with varying levels of success, with implementation being affected by factors at the organizational, teamwork, and individual levels. PURPOSE: The purpose of our study was to (a) identify contextual factors (organizational, teamwork, and individual) that affect implementation effectiveness of QI interventions in primary care settings and (b) compare perspectives about these factors across roles (health care administrators, physician and nonphysician clinicians, and administrative staff)...
March 12, 2018: Health Care Management Review
Meagan Tyler, Peter Fairbrother
This paper considers the impact of gendered norms on decision-making for wildfire preparation and response at the household level. Focusing on Australia, it provides a theoretical thematic analysis of data acquired in 107 interviews with residents of nine different localities. It builds on existing research on gender and disaster, as well as on decision-making and wildfires, and analyses the narratives that centre on 'split' households plans (where a male partner plans to stay and a female partner plans to evacuate) and disagreements within heterosexual couples as to an appropriate wildfire safety plan...
March 13, 2018: Disasters
Josef Greimler, Christian H Schulze, Patricio López Sepúlveda, Patricio Novoa, Alejandro Gatica, Karl Reiter, Johannes Wessely, Carlos Baeza, Patricio Peñailillo, Eduardo Ruiz, Tod Stuessy
Oceanic islands are vulnerable ecosystems and their flora has been under pressure since the arrival of the first humans. Human activities and both deliberately and inadvertently introduced biota have had and continue to have a severe impact on island endemic plants. The number of alien plants has increased nearly linearly on many islands, perhaps resulting in extinction-based saturation of island floras. Here, we provide evidence for such a scenario in Alejandro Selkirk, Robinson Crusoe Islands (Archipelago Juan Fernández, Chile)...
March 2018: Ecology and Evolution
Ann Jagger, Silke Reiter-Karam, Yohhei Hamada, Haileyesus Getahun
Objective: To review policies on management of latent tuberculosis infection in countries with low and high burdens of tuberculosis. Methods: We divided countries reporting data to the World Health Organization (WHO) Global Tuberculosis Programme into low and high tuberculosis burden, based on WHO criteria. We identified national policy documents on management of latent tuberculosis through online searches, government websites, WHO country offices and personal communication with programme managers...
March 1, 2018: Bulletin of the World Health Organization
Jakob Vowinckel, Aleksej Zelezniak, Roland Bruderer, Michael Mülleder, Lukas Reiter, Markus Ralser
Quantitative proteomics is key for basic research, but needs improvements to satisfy an increasing demand for large sample series in diagnostics, academia and industry. A switch from nanoflowrate to microflowrate chromatography can improve throughput and reduce costs. However, concerns about undersampling and coverage have so far hampered its broad application. We used a QTOF mass spectrometer of the penultimate generation (TripleTOF5600), converted a nanoLC system into a microflow platform, and adapted a SWATH regime for large sample series by implementing retention time- and batch correction strategies...
March 12, 2018: Scientific Reports
Sanne Verkooijen, Nelleke de Vos, Betty J W Bakker-Camu, Susan J T Branje, René S Kahn, Roel A Ophoff, Carolien M Plevier, Marco P M Boks
OBJECTIVE: To investigate the prevalence of adolescent sleep disturbances and their relation with psychosocial difficulties and health risk behaviours we analysed data of a province-wide health survey (n=16,781). METHODS: Psychosocial difficulties were measured with the Strength and Difficulties Questionnaire. Additional assessments included self-reported sleep disturbances, suicidality and health risk behaviours including current use of tobacco, alcohol and drugs, physical inactivity and compulsive use of multimedia...
March 9, 2018: Academic Pediatrics
Roan Louw, Izelle Smuts, Kimmey-Li Wilsenach, Lindi-Maryn Jonck, Maryke Schoonen, Francois H van der Westhuizen
BACKGROUND: Coenzyme Q10 (CoQ10 ) is an important component of the mitochondrial respiratory chain (RC) and is critical for energy production. Although the prevalence of CoQ10 deficiency is still unknown, the general consensus is that the condition is under-diagnosed. The aim of this study was to retrospectively investigate CoQ10 deficiency in frozen muscle specimens in a cohort of ethnically diverse patients who received muscle biopsies for the investigation of a possible RC deficiency (RCD)...
February 23, 2018: Molecular Genetics and Metabolism
Yunxie Wei, Guoyin Liu, Yanli Chang, Daozhe Lin, Russel J Reiter, Chaozu He, Haitao Shi
Melatonin is widely involved in growth, development and stress responses in plants. Although the melatonin synthesis enzymes have been identified in various plants, their interacting proteins remain unknown. Herein, overexpression of tryptophan decarboxylase 2 (MeTDC2)-interacting proteins, N-acetylserotonin O-methyltransferase 2 (MeASMT2) interacting proteins, and N-acetylserotonin O-methyltransferase 3 (MeASMT3) in cassava leaf protoplasts resulted in more melatonin than when other enzymes were overexpressed...
March 12, 2018: Journal of Pineal Research
Amirali Salmasi, Jonathan Said, Alan W Shindel, Pooria Khoshnoodi, Ely R Felker, Anthony E Sisk, Tristan Grogan, Debbie McCullough, John Bennett, Helen Bailey, H Jeffrey Lawrence, David A Elashoff, Leonard S Marks, Steven S Raman, Phillip G Febbo, Robert E Reiter
PURPOSE: Multiparametric MRI (mpMRI) and biopsy-based molecular tests such as the 17-gene Oncotype DX® Genomic Prostate Score™ (GPS) assay are increasingly used to improve risk stratification in men with clinically localized prostate cancer (PCa). The GPS assay was previously shown to be a significant independent predictor of adverse pathology (AP) at radical prostatectomy (RP) in men diagnosed with systematic biopsies only. We therefore investigated the ability of GPS to predict AP in the setting of MRI-guided prostate biopsy...
March 7, 2018: Journal of Urology
Sergey Motov, Reuben Strayer, Bryan Hayes, Mark Reiter, Steven Rosenbaum, Melanie Richman, Zachary Repanshek, Scott Taylor, Benjamin Friedman, Gary Vilke, Daniel Lasoff
BACKGROUND: Pain is one of the most common reasons patients present to the emergency department (ED). Emergency physicians should be aware of the numerous opioid and nonopioid alternatives available for the treatment of pain. OBJECTIVES: To provide expert consensus guidelines for the safe and effective treatment of acute pain in the ED. METHODS: Multiple independent literature searches using PubMed were performed regarding treatment of acute pain...
March 6, 2018: Journal of Emergency Medicine
Fiona Katherine McCurdie, Joanne Moffatt, Kevin Jones
Kitovu Hospital in Masaka, Uganda, is a leading obstetric fistula repair centre in the country with the highest rates of fistula in the world. In this retrospective case review, the regional incidence and causative factors were studied in patients with vesicovaginal fistula (VVF) who were admitted at Kitovu Hospital. Fistula history included severity (ICIQ score), causes and outcomes of VVF were measured. Women suffered with symptoms of VVF for an average of 4.97 years with an average ICIQ severity score of 7...
March 9, 2018: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
S Parvez, R R Gerona, C Proctor, M Friesen, J L Ashby, J L Reiter, Z Lui, P D Winchester
BACKGROUND: Glyphosate (GLY) is the most heavily used herbicide worldwide but the extent of exposure in human pregnancy remains unknown. Its residues are found in the environment, major crops, and food items that humans, including pregnant women, consume daily. Since GLY exposure in pregnancy may also increase fetal exposure risk, we designed a birth-cohort study to determine exposure frequency, potential exposure pathways, and associations with fetal growth indicators and pregnancy length...
March 9, 2018: Environmental Health: a Global Access Science Source
Tiziano Barbui, Ayalew Tefferi, Alessandro M Vannucchi, Francesco Passamonti, Richard T Silver, Ronald Hoffman, Srdan Verstovsek, Ruben Mesa, Jean-Jacques Kiladjian, Rȕdiger Hehlmann, Andreas Reiter, Francisco Cervantes, Claire Harrison, Mary Frances Mc Mullin, Hans Carl Hasselbalch, Steffen Koschmieder, Monia Marchetti, Andrea Bacigalupo, Guido Finazzi, Nicolaus Kroeger, Martin Griesshammer, Gunnar Birgegard, Giovanni Barosi
This document updates the recommendations on the management of Philadelphia chromosome-negative myeloproliferative neoplasms (Ph-neg MPNs) published in 2011 by the European LeukemiaNet (ELN) consortium. Recommendations were produced by multiple-step formalized procedures of group discussion. A critical appraisal of evidence by using Grades of Recommendation, Assessment, Development and Evaluation (GRADE) methodology was performed in the areas where at least one randomized clinical trial was published. Seven randomized controlled trials provided the evidence base; earlier phase trials also informed recommendation development...
February 27, 2018: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
Ahmed El-Tawargy, David Stock, Markus Gallei, Wael Ramadan, Mamdoh Shams El-Din, Günter Reiter, Renate Reiter
We have investigated the morphologies of Langmuir layers of charged, polymeric hard-core/interlayer/soft-shell (CIS) nanoparticles spread at the air-water interface. Depending on various mutual interactions, which are correlated to the areal densities of the deposited nanoparticles, we observed ordered patterns of non-dense and closed-packed arrangements of CIS nanoparticle ordering. At low areal densities, we found an almost regular distribution of the charged CIS nanoparticles on the water surface, which resulted from long-range repulsive electrostatic interactions between them...
March 7, 2018: Langmuir: the ACS Journal of Surfaces and Colloids
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