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Peter-Henning Clausen, Sandra Stelzer, Ard Nijhof, Jürgen Krücken, Georg von Samson-Himmelstjerna
The teaching of veterinary parasitology to the large number of students at the Freie Universität Berlin is mainly limited to conventional face-to-face lectures, supplemented by practical classes. Extensive parasite descriptions and diagnostic techniques are at the core of the practical classes, which are also intended to emphasise key biological and veterinary aspects covered in lectures. Further in-depth and specific learning is achieved within a detailed framework of elective courses, with defined learning outcomes for small groups of students, focusing on themes such as 'diagnosis and treatment of ectoparasites in companion animals' or 'zoonotic parasites'...
March 15, 2018: Veterinary Parasitology
Jean Courtemanche, Samson King, David Bouck
The application of 3D printing and microcontrollers allows users to rapidly engineer novel hardware solutions useful in a laboratory environment. 3D printing is transformative as it enables the rapid fabrication of adapters, housings, jigs, and small structural elements. Microcontrollers allow for the creation of simple, inexpensive machines that receive input from one or more sensors to trigger a mechanical or electrical output. Bringing these technologies together, we have developed custom solutions that improve capabilities and reduce costs, errors, and human intervention...
March 1, 2018: SLAS Technology
J Galland, S Abbara, B Terrier, M Samson, A Tesnières, J P Fournier, M Braun
Simulation-based learning (SBL) is developing rapidly in France and the question of its use in the teaching of internal medicine (IM) is essential. While HAS encourages its integration into medical education, French Young Internists (AJI) set up a working group to reflect on the added-value of this tool in our specialty. Different sorts of SBL exist: human, synthetic and electronic. It enables student to acquire and evaluate technical skills (strengths, invasive procedures, etc.) and non-technical skills (relational, reasoning…)...
March 13, 2018: La Revue de Médecine Interne
Bruno Hoen, Bruno Schaub, Anna L Funk, Vanessa Ardillon, Manon Boullard, André Cabié, Caroline Callier, Gabriel Carles, Sylvie Cassadou, Raymond Césaire, Maylis Douine, Cécile Herrmann-Storck, Philippe Kadhel, Cédric Laouénan, Yoann Madec, Alice Monthieux, Mathieu Nacher, Fatiha Najioullah, Dominique Rousset, Catherine Ryan, Kinda Schepers, Sofia Stegmann-Planchard, Benoît Tressières, Jean-Luc Voluménie, Samson Yassinguezo, Eustase Janky, Arnaud Fontanet
BACKGROUND: The risk of congenital neurologic defects related to Zika virus (ZIKV) infection has ranged from 6 to 42% in various reports. The aim of this study was to estimate this risk among pregnant women with symptomatic ZIKV infection in French territories in the Americas. METHODS: From March 2016 through November 2016, we enrolled in this prospective cohort study pregnant women with symptomatic ZIKV infection that was confirmed by polymerase-chain-reaction (PCR) assay...
March 15, 2018: New England Journal of Medicine
Colleen Edith Archer, M Corrie Schoeman, Christopher Charles Appleton, Samson Mukaratirwa, Karen J Hope, Glenda Beverly Matthews
This study investigated associations between Trypanosoma lewisi; Xenopsylla cheopis, a common cyclical vector of T. lewisi; Polyplax spinulosa, a reported mechanical vector; and Laelaps ecidnina and L. lamborni, two rodent mites of Rattus norvegicus in Durban. Three hundred and seventy nine R. norvegicus were live-trapped at 48 sites in 4 locality types of Durban during a one year period. Rats were euthanized, cardiac blood was taken to check for hemoparasites and ectoparasites were removed for identification...
March 13, 2018: Journal of Parasitology
Houari Boukersi, Nemcha Lebaili, Nathalie Samson, Sylvie Granon
The objective of this work was to investigate the implication of serotonin (5-HT) produced in the dorsal and medial raphé nuclei (DRN and MRN) in water homeostasis in desert animal Gerbillus tarabuli. For that, we measured the density of 5-HT immunolabeled neurons in hydrated and dehydrated animals (over 1 and six months). In this work, 5-HT positive neurons showed some change in shape and colour intensity in dehydrated gerbils comparing with hydrated gerbils. Furthermore a differential increase of 5-HT neurons density was observed in DRN subregions and in MRN following 1 and 6 months of dehydration...
March 9, 2018: Journal of Chemical Neuroanatomy
Samson W Duresso, Allison J Matthews, Stuart G Ferguson, Raimondo Bruno
OBJECTIVE: This study aimed to determine the efficacy of the Severity of Dependence Scale (SDS) as a screening tool for Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition-defined khat use disorder. METHODS: Cross-sectional, purposive sample of past-year khat consumers aged 16 and above were recruited from khat markets and cafes from university and general community in Adama, Ethiopia. Participants self-completed a survey comprising current substance use disorder...
March 11, 2018: Human Psychopharmacology
Saiama N Waqar, Pamela P Samson, Cliff G Robinson, Jeffrey Bradley, Siddhartha Devarakonda, Lingling Du, Ramaswamy Govindan, Feng Gao, Varun Puri, Daniel Morgensztern
BACKGROUND: Data on the prevalence of brain metastases at presentation in patients with non-small-cell lung cancer (NSCLC) are limited. We queried the National Cancer Data Base to determine prevalence, clinical risk factors, and outcomes of patients with NSCLC presenting with brain metastases. PATIENTS AND METHODS: Patients with NSCLC diagnosed between 2010 and 2012 were identified using the National Cancer Data Base. The risk of brain metastases for individual variables was summarized by odds ratios and calculated using logistic regression analysis...
March 8, 2018: Clinical Lung Cancer
Shoumei Bai, Kalpana Ghoshal, Samson T Jacob
No abstract text is available yet for this article.
March 9, 2018: Journal of Biological Chemistry
Sarmila Majumder, Kalpana Ghoshal, Jharna Datta, David Spencer Smith, Shoumei Bai, Samson T Jacob
No abstract text is available yet for this article.
March 9, 2018: Journal of Biological Chemistry
Shoumei Bai, Jharna Datta, Samson T Jacob, Kalpana Ghoshal
No abstract text is available yet for this article.
March 9, 2018: Journal of Biological Chemistry
Tasneem Motiwala, Sarmila Majumder, Kalpana Ghoshal, Huban Kutay, Jharna Datta, Satavisha Roy, David M Lucas, Samson T Jacob
No abstract text is available yet for this article.
March 9, 2018: Journal of Biological Chemistry
Yuanzhi Lu, Satavisha Roy, Gerard Nuovo, Bhuvaneswari Ramaswamy, Tyler Miller, Charles Shapiro, Samson T Jacob, Sarmila Majumder
No abstract text is available yet for this article.
March 9, 2018: Journal of Biological Chemistry
Samson Bamidele Olorunju, Onoja Matthew Akpa, Rotimi Felix Afolabi
BACKGROUND: Childhood and adolescent depression is common and often persists into adulthood with negative implications for school performances, peer relationship and behavioural functioning. The Child Depression Inventory (CDI) has been used to assess depression among adolescents in many countries including Nigeria but it is uncertain if the theoretical structure of CDI appropriately fits the experiences of adolescents in Nigeria. This study assessed varying theoretical modelling structure of the CDI in a population of apparently healthy adolescents in Benue state, Nigeria...
2018: PloS One
Clifford C Mwita, Thabo Rowland, Samson Gwer
The objective of this review is to determine the best available evidence on the burden of brain tumors in low- and middle-income countries (LAMICs). More specifically, the objective is to determine the incidence and prevalence rates for brain tumors in LAMICs.
March 2018: JBI Database of Systematic Reviews and Implementation Reports
Jérôme Hadjadj, Guillaume Canaud, Tristan Mirault, Maxime Samson, Patrick Bruneval, Alexis Régent, Claire Goulvestre, Véronique Witko-Sarsat, Nathalie Costedoat-Chalumeau, Loïc Guillevin, Luc Mouthon, Benjamin Terrier
Objectives: Takayasu arteritis (TA) and GCA are large-vessel vasculitides characterized by vascular remodelling involving endothelial cells (ECs) and vascular smooth muscle cells. Mammalian target of rapamycin (mTOR) pathway has been involved in vascular remodelling. We hypothesized that the mTOR pathway was involved in the pathogenesis of large-vessel vasculitis. Methods: We used IF analysis on aortic and temporal artery biopsies from patients with TA and GCA to assess the involvement of the mTOR pathway and searched for antibodies targeting ECs in serum by IIF and cellular ELISA...
February 27, 2018: Rheumatology
Jianzhu Ma, Michael Ku Yu, Samson Fong, Keiichiro Ono, Eric Sage, Barry Demchak, Roded Sharan, Trey Ideker
Although artificial neural networks are powerful classifiers, their internal structures are hard to interpret. In the life sciences, extensive knowledge of cell biology provides an opportunity to design visible neural networks (VNNs) that couple the model's inner workings to those of real systems. Here we develop DCell, a VNN embedded in the hierarchical structure of 2,526 subsystems comprising a eukaryotic cell ( Trained on several million genotypes, DCell simulates cellular growth nearly as accurately as laboratory observations...
March 5, 2018: Nature Methods
Soumon Rudra, Caressa Hui, Yuan J Rao, Pamela Samson, Alexander J Lin, Xiao Chang, Christina Tsien, Sandra Fergus, Daniel Mullen, Deshan Yang, Dinesh Thotala, Dennis Hallahan, Jian Li Campian, Jiayi Huang
PURPOSE: To evaluate whether reduction in glioblastoma radiation treatment volume can reduce risk of acute severe lymphopenia (ASL). METHODS AND MATERIALS: A total of 210 patients with supratentorial/nonmetastatic glioblastoma were treated with radiation therapy (RT) plus temozolomide from 2007 to 2016 and had laboratory data on total lymphocyte counts. Before 2015, 164 patients were treated with standard-field RT (SFRT), and limited-field RT (LFRT) was implemented thereafter for 46 patients to reduce treatment volume...
February 1, 2018: International Journal of Radiation Oncology, Biology, Physics
C Choux, M Cavalieri, J Barberet, M Samson, B Bonnotte, P Fauque, P Sagot
Fertility preservation is routinely performed in cancerology but less systematically used in the field of immune diseases, even though the use of gonadotoxic treatments in young patients may be required and even though the disease itself can alter fertility. This review aimed to clarify the indications and methods of fertility preservation in this context. Cyclophosphamide is the only immunosuppressive drug requiring fertility preservation in women. In men, fertility preservation should be proposed before treatment with cyclophosphamide, methotrexate, mycophenolate mofetil or mTOR inhibitors...
February 27, 2018: La Revue de Médecine Interne
Bertrand Mathon, Séverine Samson, Sophie Dupont, Stéphane Clemenceau
No abstract text is available yet for this article.
March 2018: World Neurosurgery
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