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https://www.readbyqxmd.com/read/29188467/diagnosing-tick-borne-encephalitis-a-re-evaluation-of-notified-cases
#1
Malin Veje, Marie Studahl, Maja Johansson, Patrik Johansson, Peter Nolskog, Tomas Bergström
We set out to investigate the serological response of TBE virus (TBEV)-specific IgM and IgG antibodies in stored serum and cerebrospinal fluid (CSF) in notified TBE patients, in order to confirm or reject the diagnosis. We applied the ELISA methods used in clinical practice, Enzygnost and Immunozym, and assessed RT-PCR as a diagnostic tool. A total of 173 TBE cases were notified to the Public Health Agency. Samples from 129 patients were eligible for the study. Stored serum samples were found for 111 patients and CSF samples for 88 patients...
November 29, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/29181672/seasonal-cycles-of-the-tbe-and-lyme-borreliosis-vector-ixodes-ricinus-modelled-with-time-lagged-and-interval-averaged-predictors
#2
Katharina Brugger, Melanie Walter, Lidia Chitimia-Dobler, Gerhard Dobler, Franz Rubel
Ticks of the species Ixodes ricinus (L.) are the major vectors for tick-borne diseases in Europe. The aim of this study was to quantify the influence of environmental variables on the seasonal cycle of questing I. ricinus. Therefore, an 8-year time series of nymphal I. ricinus flagged at monthly intervals in Haselmühl (Germany) was compiled. For the first time, cross correlation maps were applied to identify optimal associations between observed nymphal I. ricinus densities and time-lagged as well as temporal averaged explanatory variables...
November 27, 2017: Experimental & Applied Acarology
https://www.readbyqxmd.com/read/29156399/saliva-of-ixodes-ricinus-enhances-tbe-virus-replication-in-dendritic-cells-by-modulation-of-pro-survival-akt-pathway
#3
Jaroslava Lieskovská, Jana Páleníková, Helena Langhansová, Jindřich Chmelař, Jan Kopecký
It has been suggested that tick saliva facilitates transmission of tick-borne encephalitis virus (TBEV) to vertebrates. The mechanism of this facilitation has not been elucidated yet. Since dendritic cells (DCs) are among first cells attacked by the virus, we examined the amount of virus and changes induced by saliva in TBEV-infected DCs. We found that virus replication was significantly increased by saliva of Ixodes ricinus tick. Next, saliva-induced enhancement of Akt pathway activation was observed in TBEV-infected DCs...
November 17, 2017: Virology
https://www.readbyqxmd.com/read/29105605/the-feasibility-of-an-acute-high-intensity-exercise-bout-to-promote-locomotor-learning-after-stroke
#4
Charalambos C Charalambous, Erin E Helm, Kristin A Lau, Susanne M Morton, Darcy S Reisman
BACKGROUND: People post-stroke can learn a novel locomotor task but require more practice to do so. Implementing an approach that can enhance locomotor learning may therefore improve post-stroke locomotor recovery. In healthy adults, an acute high-intensity exercise bout before or after a motor task may improve motor learning and has thus been suggested as a method that could be used to improve motor learning in neurorehabilitation. However, it is unclear whether an acute high-intensity exercise bout, which stroke survivors can feasibly complete in neurorehabilitation session, would generate comparable results...
November 5, 2017: Topics in Stroke Rehabilitation
https://www.readbyqxmd.com/read/29064333/molecular-detection-and-serological-evidence-of-tick-borne-encephalitis-virus-in-serbia
#5
Aleksandar Potkonjak, Tamaš Petrović, Elizabeta Ristanović, Ivica Lalić, Vuk Vračar, Sara Savić, Vesna Turkulov, Grozdana Čanak, Vesna Milošević, Dejan Vidanović, Aleksandar Jurišić, Aleksandra Petrović, Vladimir Petrović
Tick-borne encephalitis (TBE) is a zoonotic flaviviral infection that is a growing public health concern in European countries. The aims of this research were to detect and characterize tick-borne encephalitis virus (TBEV) in Ixodes ricinus ticks at presumed natural foci in Serbia, and to determine seroprevalence of TBEV IgG antibodies in humans and animals. A total of 500 I. ricinus ticks were examined for the presence of TBEV by real-time RT-PCR, and conventional nested PCR and sequencing. To determine TBEV seroprevalence, 267 human sera samples were collected, as were 200 sera samples from different animal species...
October 24, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/29053888/epidemiological-patterns-of-tick-borne-encephalitis-in-lithuania-and-clinical-features-in-adults-in-the-light-of-the-high-incidence-in-recent-years-a-retrospective-study
#6
Daiva Radzišauskienė, Kęstutis Žagminas, Loreta Ašoklienė, Arminas Jasionis, Rūta Mameniškienė, Arvydas Ambrozaitis, Ligita Jančorienė, Dalius Jatužis, Iveta Petraitytė, Evelina Mockienė
BACKGROUND: Lithuania is one of the countries with the highest incidence of TBE in Europe. The aim of this study was to describe the epidemiological patterns of TBE in Lithuania, and characterize clinical features in adults in the light of the high incidence in recent years. METHODS: Surveillance data available on the website of the Center for Communicable Diseases and AIDS of Lithuania were used to describe the epidemiological patterns of TBE. The retrospective study included 712 patients hospitalized in the Center for Infectious Diseases and the Center for Neurology of Vilnius University in the years 2005-2014...
October 20, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/29053401/are-we-prepared-for-emerging-flaviviruses-in-europe-challenges-for-vaccination
#7
Patricia Kaaijk, Willem Luytjes
Tick-borne encephalitis and West Nile fever are endemic flavivirus diseases in Europe. Climate change, virus evolution, and social factors may increase the risk of these flavivirus infections and may lead to the emergence of other flaviviruses in Europe that are endemic in (sub)tropical regions of the world. Control of the spread of flaviviruses is very difficult considering the cycling of flaviviruses between arthropod vectors and animal reservoir hosts. The increasing threat of flavivirus infections emphasizes the necessity of a sustainable vector surveillance system, an active animal health surveillance system and an adequate human surveillance system for early detection of flavivirus infections...
October 20, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29017579/surveillance-of-ixodes-ricinus-ticks-acari-ixodidae-in-iceland
#8
Matthias Alfredsson, Erling Olafsson, Matthias Eydal, Ester Rut Unnsteinsdottir, Kayleigh Hansford, William Wint, Neil Alexander, Jolyon M Medlock
BACKGROUND: Ixodes ricinus is a three-host tick, a principal vector of Borrelia burgdorferi (s.l.) and one of the main vectors of tick-borne encephalitis (TBE) virus. Iceland is located in the North Atlantic Ocean with subpolar oceanic climate. During the past 3-4 decades, average temperature has increased, supporting more favourable conditions for ticks. Reports of I. ricinus have increased in recent years. If these ticks were able to establish in a changing climate, Iceland may face new threats posed by tick-borne diseases...
October 10, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28988602/a-new-hot-spot-for-tick-borne-encephalitis-tbe-a-marked-increase-of-tbe-cases-in-france-in-2016
#9
Aurélie Velay, Morgane Solis, Wallys Kack-Kack, Pierre Gantner, Marianne Maquart, Martin Martinot, Olivier Augereau, Dominique De Briel, Pierre Kieffer, Caroline Lohmann, Jean Dominique Poveda, Emmanuelle Cart-Tanneur, Xavier Argemi, Isabelle Leparc-Goffart, Sylvie de Martino, Benoit Jaulhac, Sophie Raguet, Marie-Josée Wendling, Yves Hansmann, Samira Fafi-Kremer
OBJECTIVES: Tick-borne encephalitis virus (TBEV) is a zoonotic agent causing severe encephalitis. In 2016, in Northeastern France, we faced a TBEV infection increase, leading to a warning from the Regional Health Agency. Here, we report the confirmed TBE cases diagnosed between January 2013 and December 2016, with particular emphasis on the year 2016. METHODS: A total of 1643 blood and cerebrospinal fluid (CSF) samples from everywhere in France, corresponding to 1460 patients, were prospectively tested for anti-TBEV-specific IgM and IgG antibodies by ELISA...
September 28, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28987410/variable-dual-carbon-bromine-stable-isotope-fractionation-during-enzyme-catalyzed-reductive-dehalogenation-of-brominated-ethenes
#10
Angela Woods, Kevin Kuntze, Faina Gelman, Ludwik Halicz, Ivonne Nijenhuis
The potential of compound-specific stable isotope analysis (CSIA) to characterize biotransformation of brominated organic compounds (BOCs) was assessed and compared to chlorinated analogues. Sulfurospirillum multivorans and Desulfitobacterium hafniense PCE-S catalyzed the dehalogenation of tribromoethene (TBE) to either vinyl bromide (VB) or ethene, respectively. Significantly lower isotope fractionation was observed for TBE dehalogenation by S. multivorans (εC = -1.3 ± 0.2‰) compared to D. hafniense (εC = -7...
September 27, 2017: Chemosphere
https://www.readbyqxmd.com/read/28928417/tick-borne-encephalitis-in-japan-republic-of-korea-and-china
#11
REVIEW
Kentaro Yoshii, Joon Young Song, Seong-Beom Park, Junfeng Yang, Heinz-Josef Schmitt
Tick-borne encephalitis virus (TBEV) causes mild or moderate febrile illness in humans that may progress to encephalitis, leading to severe long-term complications and sometimes death. TBEV is prevalent in the Eurasian continent and has been isolated in China, Japan and Republic of Korea (ROK). The TBEV isolates from Japan are of the Far-Eastern subtype; in ROK, the isolates are of the Western subtype; and all TBEV isolates in China are of the Far-Eastern subtype, except one strain that was identified most recently as the Siberian subtype...
September 20, 2017: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/28921929/tumor-suppressive-mir-145-co-repressed-by-tcf4-%C3%AE-catenin-and-prc2-complexes-forms-double-negative-regulation-loops-with-its-negative-regulators-in-colorectal-cancer
#12
Wei Wang, Xin Xiao, Xu Chen, Yi Huo, Wen-Jin Xi, Zhi-Feng Lin, Dan Zhang, Yu-Fang Li, Fan Yang, Wei-Hong Wen, An-Gang Yang, Tao Wang
The frequently dysregulated Wnt/β-catenin signaling in different malignancies, by activation of its own or orchestration with other co-factors, regulates various oncogenic or tumor-suppressive genes. Among these genes, miRNAs, which are negative posttranscriptional regulators, are also embedded in the Wnt signaling network. Different from the Wnt-induced oncogenic miRNAs, the specific mechanism underlying the Wnt-repressed tumor-suppressive miRNAs is much less understood. In our study, firstly by analyzing a ChIP-seq dataset against TCF4, the core transcription factor for initiation of Wnt signaling in colorectal cancer (CRC) cells, we screened out several tumor-suppressive miRNAs potentially regulated by Wnt signaling...
September 16, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28894041/analysis-of-the-relationship-between-single-nucleotide-polymorphism-of-the-cd209-il-10-il-28-and-ccr5-d32-genes-with-the-human-predisposition-to-developing-tick-borne-encephalitis
#13
Piotr Czupryna, Miłosz Parczewski, Sambor Grygorczuk, Sławomir Pancewicz, Joanna Zajkowska, Justyna Dunaj, Maciej Kondrusik, Katarzyna Krawczuk, Anna Moniuszko-Malinowska
<b>Introduction: </b>It is known that in the pathogenesis of tick-borne encephalitis (TBE) various molecules play a significant role. The most prominent factors include IL-10, IL-28B, CD-209 and CCR5. It is reasonable to search for genetic predispositions to the development of various clinical forms of TBE related to the genetic variation of IL-10, IL-28B, CD-209 and CCR5. In this study we aimed to search for the relationship between single nucleotide polymorphism in the promoter region of the CD209, IL-10, IL-28 and 32 base pair deletion in CCR5 coding region (Δ 32) with the human predisposition to development of various clinical presentations of TBE...
January 4, 2017: Postȩpy Higieny i Medycyny Doświadczalnej
https://www.readbyqxmd.com/read/28869789/subtle-changes-in-the-active-site-architecture-untangled-overlapping-substrate-ranges-and-mechanistic-differences-of-two-reductive-dehalogenases
#14
Cindy Kunze, Gabriele Diekert, Torsten Schubert
Reductive dehalogenases (RDases) of organohalide-respiring bacteria are cobamide-containing iron-sulfur proteins that catalyze different reductive dehalogenation reactions. Here, we report a functional analysis of two recombinant RDases, the tetrachloroethene (PCE) reductive dehalogenase (PceA) of Desulfitobacterium hafniense Y51 and the 1,2-dichloroethane (1,2-DCA) reductive dehalogenase (DcaA) of Desulfitobacterium dichloroeliminans DCA1. Both enzymes share 88% protein sequence identity, but appeared to have divergent mechanisms...
October 2017: FEBS Journal
https://www.readbyqxmd.com/read/28864832/mri-findings-associated-with-microscopic-residual-tumor-following-unplanned-excision-of-soft-tissue-sarcomas-in-the-extremities
#15
Lee Wang, Juan Pretell-Mazzini, Darcy A Kerr, Lydia Chelala, Xuan Yang, Jean Jose, Ty K Subhawong
INTRODUCTION: MRI is often used to determine the presence of residual disease following unplanned excisions (UPE) of soft tissue sarcomas (STS). We sought to identify MRI features associated with histologic evidence of residual disease after TBE. MATERIALS AND METHODS: This was an IRB-approved retrospective review of 27 patients with R1-type UPE of STS over a 32-month period, with subsequent MRI and TBE. MRI studies were retrospectively evaluated to determine depth of tissue involvement, presence of nodular enhancement, and maximum length of soft tissue edema normalized to extremity size...
September 1, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28830430/tick-borne-encephalitis-in-a-naturally-infected-sheep
#16
Brigitte Böhm, Benjamin Schade, Benjamin Bauer, Bernd Hoffmann, Donata Hoffmann, Ute Ziegler, Martin Beer, Christine Klaus, Herbert Weissenböck, Jens Böttcher
BACKGROUND: Tick-borne encephalitis (TBE) is the most important viral tick borne zoonosis in Europe. In Germany, about 250 human cases are registered annually, with the highest incidence reported in the last years coming from the federal states Bavaria and Baden-Wuerttemberg. In veterinary medicine, only sporadic cases in wild and domestic animals have been reported; however, a high number of wild and domestic animals have tested positive for the tick-borne encephalitis virus (TBEV) antibody...
August 22, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28791846/serum-carnitine-and-acyl-carnitine-in-patients-with-meningitis-due-to-tick-borne-encephalitis-virus-infection
#17
Alina Kępka, Roman M Janas, Sławomir A Pancewicz, Renata Świerzbińska
BACKGROUND: Hard ticks are the main vectors of tick-borne encephalitis virus (TBEV). Free carnitine (FC) and acylcarnitines (AC) have the basic role in β-oxidation as well as the modulation of immune and nervous system. Homeostasis of carnitines in the TBE patients was not studied so far. OBJECTIVES: This study aimed to evaluate FC and AC serum concentrations in patients with meningitis due to TBEV infection before and after 14 ± 3 days of treatment. MATERIAL AND METHODS: The study was performed in 14 patients aged 48 ± 29 years that were divided a posteriori (based on their FC level before and after treatment) into 2 subgroups: 1-8 and 9-14...
March 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28780638/discrimination-of-adsorbed-double-stranded-and-single-stranded-dna-molecules-on-surfaces-by-fluorescence-emission-spectroscopy-using-acridine-orange-dye
#18
E Hoory, J Budassi, E Pfeffer, N Cho, J Thalappillil, J Andersen, M Rafailovich, J Sokolov
A sensitive and straightforward method for discriminating between surface-adsorbed double-stranded DNA (dsDNA) and single-stranded DNA (ssDNA), based on analysis of the fluorescence emission spectra of DNAs dyed with the metachromatic dye acridine orange, has been developed. Since the degree of discrimination between dsDNA and ssDNA is dependent on dye-base ratio (as has been shown in early studies of DNAs in solution), a specific, reproducible protocol for obtaining good ss-ds discrimination was needed. We studied the emission spectra for DNAs dyed in-situ on two different surfaces, polymethylmethacrylate and poly-l-lysine, using acridine orange solutions of varying concentrations in either 2-(N-morpholino)ethanesulfonic acid (MES) or Tris-Borate EDTA (TBE) buffers...
November 2017: Journal of Fluorescence
https://www.readbyqxmd.com/read/28770638/systematic-literature-review-comparing-rapid-3-dose-administration-of-the-gsk-tick-borne-encephalitis-vaccine-with-other-primary-immunization-schedules
#19
Ilaria Galgani, Eveline M Bunge, Lisa Hendriks, Christopher Schludermann, Cinzia Marano, Laurence De Moerlooze
Tick-borne encephalitis (TBE), which is endemic across large regions of Europe and Asia, is most effectively prevented through vaccination. Three-dose primary TBE vaccination schedules are either rapid (0,7,21-days) or conventional (0,28-84-days, 9-12-months). The second dose can also be administered at 14 days for faster priming and sero-protection). Areas covered: We used a three-step selection process to identify 21 publications comparing the immunogenicity and/or safety of different schedules. Expert commentary: Priming with two or three TBE vaccine doses was highly immunogenic...
September 2017: Expert Review of Vaccines
https://www.readbyqxmd.com/read/28763700/effect-of-dietary-tartary-buckwheat-extract-supplementation-on-growth-performance-meat-quality-and-antioxidant-activity-in-ewe-lambs
#20
Junxing Zhao, Kan Li, Rui Su, Wenzhong Liu, Youshe Ren, Chunxiang Zhang, Min Du, Jianxing Zhang
The objective of this study was to investigate the effect of dietary Tartary buckwheat extract (TBE) supplementation on animal growth performance, meat quality and antioxidative activity in the Longissimus thoracis et lumborum muscle of lambs. The results showed that dietary TBE increased body weight, average daily gain, carcass weight, dry matter intake, and digestive organ weight. Dietary TBE had no effect on the pH, color, shear force or intramuscular fat of Longissimus muscle examined, whereas the cooking loss was decreased...
July 25, 2017: Meat Science
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