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Daniel Slunge, Anders Boman
The purpose of this study is to analyse the role of risk perceptions and exposure for protective behaviour against tick bites and the related diseases Lyme borreliosis (LB) and tick-borne encephalitis (TBE), both of which are growing health concerns. We use data from a national survey in Sweden with respondents in geographical areas with substantial differences in both abundance of ticks and incidence of LB and TBE. We find that the share of respondents who frequently use protective clothing (64%), perform tick checks (63%) or avoid tall grass while in areas with ticks (48%) is relatively high...
2018: PloS One
Ana Saksida, Nina Jakopin, Mateja Jelovšek, Nataša Knap, Luka Fajs, Lara Lusa, Stanka Lotrič-Furlan, Petra Bogovič, Maja Arnež, Franc Strle, Tatjana Avšič-Županc
We determined levels of tick-borne encephalitis (TBE) virus (TBEV) RNA in serum samples obtained from 80 patients during the initial phase of TBE in Slovenia. For most samples, levels were within the range of 3-6 log10 copies RNA/mL. Levels were higher in female patients than in male patients, but we found no association between virus load and several laboratory and clinical parameters, including severity of TBE. However, a weak humoral immune response was associated with a more severe disease course, suggesting that inefficient clearance of virus results in a more serious illness...
July 2018: Emerging Infectious Diseases
Alina Kułakowska, Joanna Tarasiuk, Katarzyna Kapica-Topczewska, Monika Chorąży, Robert Pogorzelski, Agnieszka Kulczyńska-Przybik, Barbara Mroczko, Robert Bucki
BACKGROUND: The extracellular actin scavenging system (EASS) is composed of plasma Gc-globulin and gelsolin, and is responsible for the elimination of toxic actin from the bloodstream. OBJECTIVES: In this study, we assessed the actin-free Gc-globulin concentrations in blood plasma and cerebrospinal fluid (CSF) obtained from subjects with neurodegenerative and inflammatory diseases of the central nervous system (CNS) as well as in a control group. MATERIAL AND METHODS: Using an enzyme-linked immunosorbent assay (ELISA), we measured the actinfree Gc-globulin concentrations in blood plasma and CSF obtained from subjects diagnosed with Alzheimer's disease (AD) (n = 20), amyotrophic lateral sclerosis (ALS) (n = 12), multiple sclerosis (MS) (n = 42), tick-borne encephalitis (TBE) (n = 12), and from a control group (n = 20)...
June 15, 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
Olga M Koper, Joanna Kamińska, Karol Sawicki, Halina Kemona
The aim of this review is to present data from the available literature concerning CXCL9, CXCL10 and CXCL11, as well as their receptor 3 (CXCR3) in selected diseases of the central nervous system (CNS), such as tickborne encephalitis (TBE), neuroborreliosis (NB), Alzheimer's disease (AD), and multiple sclerosis (MS). CXCL9, CXCL10, and CXCL11 lack glutamic acid-leucine-arginine (ELR), and are unique, because they are more closely related to each other than to any other chemokine. The aforementioned chemokines are especially involved in Th1-type response and in various diseases, as their expression correlates with the tissue infiltration of T cells...
June 8, 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
Kaibao Sun, Jianfei Cui, Bo Wang, Tao Jiang, Zhongwei Chen, Fei Cong, Yan Zhuo, Shuli Liang, Rong Xue, Xinguang Yu, Lin Chen
PURPOSE: This study was conducted to determine the benefit of magnetic resonance imaging (MRI) at 7 T in detecting structural lesions and previously unidentified abnormalities in patients with tuberous sclerosis complex (TSC). METHODS: Thirteen patients with TSC (8-36 years, seven males) previously diagnosed by 3 T MRI underwent additional imaging at 7 T, which included T1-weighted magnetization-prepared rapid gradient-echo (MPRAGE), T2-weighted turbo spin echo (TSE), SPACE fluid attenuated inversion recovery (FLAIR), susceptibility weighted imaging (SWI), white matter suppressed (WM-suppressed), and gray-white matter tissue border enhancement (GW-TBE) MPRAGE sequences...
June 5, 2018: Neuroradiology
Kentaro Yoshii, Kozue Sato, Mariko Ishizuka, Shintaro Kobayashi, Hiroaki Kariwa, Hiroki Kawabata
Tick-borne encephalitis (TBE) is widely prevalent on the Eurasian continent, including Japan, but four cases of TBE have been reported in Japan. To inspect unconfirmed TBE cases in Japan, we conducted a retrospective seroepidemiological study of a total of 158 samples from 81 meningoencephalitis patients suspected as Lyme disease. Two serum samples from one patient showed neutralizing antibodies against TBE virus. The patient with severe and progressive encephalitis had a history of tick bite in Hokkaido in 2012...
May 29, 2018: American Journal of Tropical Medicine and Hygiene
Sharadha Dayalan Naidu, Aki Muramatsu, Ryota Saito, Soichiro Asami, Tadashi Honda, Tomonori Hosoya, Ken Itoh, Masayuki Yamamoto, Takafumi Suzuki, Albena T Dinkova-Kostova
Numerous small molecules (termed inducers), many of which are electrophiles, upregulate cytoprotective responses and inhibit pro-inflammatory pathways by activating nuclear factor-erythroid 2 p45-related factor 2 (NRF2). Key to NRF2 activation is the ability to chemically modifying critical sensor cysteines in the main negative regulator of NRF2, Kelch-like ECH-associated protein 1 (KEAP1), of which C151, C273 and C288 are best characterized. This study aimed to establish the requirement for these cysteine sensor(s) for the biological activities of the most potent NRF2 activators known to date, the cyclic cyanoenones, some of which are in clinical trials...
May 23, 2018: Scientific Reports
Cuong H Nguyen, Ulrik Hanke, Einar Halvorsen
In this paper, we derive and compare the linear static bending of piezoelectric actuators with transversal ( ) and longitudinal ( ) coupling. The transducers are, respectively, structures utilizing top and bottom electrodes (TBEs) and interdigitated electrodes (IDEs). While the theory is well developed for the TBE beam, governing equations for the bending of the piezoelectric beams with IDEs are far less developed. We improve on this by deriving the governing equation for the IDE beam with an arbitrary number of layers and with coupling consistently included...
May 2018: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
Mateusz Markowicz, Anna-Margarita Schötta, Michael Kundi, Petra Bogovič, Katarina Ogrinc, Franc Strle, Gerold Stanek
The aims of the study were to determine and compare the concentration of CXCL13 in cerebrospinal fluid (CSF) of patients with Lyme neuroborreliosis (LNB) and various other neurological disorders applying a Luminex based assay and ELISA, and to find factors associated with CXCL13 concentration. CSF samples obtained from four clinically well-defined groups of patients (proven LNB, suspected LNB, tick-borne encephalitis (TBE), and aseptic meningitis/meningoencephalitis other than TBE) - 25 samples per group - were analyzed...
April 20, 2018: Ticks and Tick-borne Diseases
Franz Rubel, Katharina Brugger, Melanie Walter, Janna R Vogelgesang, Yuliya M Didyk, Su Fu, Olaf Kahl
The ixodid tick Haemaphysalis concinna Koch, 1844 is a proven vector of tick-borne encephalitis (TBE) virus and Francisella tularensis, the causative agent of tularaemia. In the present study, up-to-date maps depicting the geographical distribution and climate adaptation of H. concinna are presented. A dataset was compiled, resulting in 656 georeferenced locations in Eurasia. The distribution of H. concinna ranges from the Spanish Atlantic coast to Kamchatka, Russia, within the belt of 28-64° N latitude...
April 10, 2018: Ticks and Tick-borne Diseases
Sambor Grygorczuk, Renata Świerzbińska, Maciej Kondrusik, Justyna Dunaj, Piotr Czupryna, Anna Moniuszko, Agnieszka Siemieniako, Sławomir Pancewicz
BACKGROUND: Tick-borne encephalitis (TBE) is a clinically variable but potentially severe Flavivirus infection, with the outcome strongly dependent on secondary immunopathology. Neutrophils are present in cerebrospinal fluid (CSF) of TBE patients, but their pathogenetic role remains unknown. In animal models, neutrophils contributed both to the Flavivirus entry into central nervous system (CNS) and to the control of the encephalitis, which we attempted to evaluate in human TBE. METHODS: We analyzed records of 240 patients with TBE presenting as meningitis (n = 110), meningoencephalitis (n = 114) or meningoencephalomyelitis (n = 16) assessing CSF neutrophil count on admission and at follow-up 2 weeks later, and their associations with other laboratory and clinical parameters...
April 20, 2018: Journal of Neuroinflammation
Erika Garner-Spitzer, Claudia Seidl-Friedrich, Ines Zwazl, Michael Hofer, Tamar Kinaciyan, Reinhart Jarisch, Karin Stiasny, Gerhard J Zlabinger, Michael Kundi, Ursula Wiedermann
BACKGROUND: Allergic diseases are caused by Th2-driven immune responses and their treatment with specific immunotherapy (SIT) leads to immunomodulation via IL10, TGF-ß and Th1/Tr1 shift. This phase IV, open-label clinical trial investigated whether allergies and SIT treatment influenced immune responses to routine vaccination. METHODS: We studied three groups: 49 allergic patients (allergic group), 21 allergic patients receiving maintenance doses of SIT (SIT group), and 49 non-allergic controls...
May 11, 2018: Vaccine
Leo Uchida, Daisuke Hayasaka, Mya Myat Ngwe Tun, Kouichi Morita, Yasukazu Muramatsu, Katsuro Hagiwara
Tick-borne encephalitis (TBE) and severe fever with thrombocytopenia syndrome (SFTS) are both tick-borne zoonotic diseases caused by TBE virus (TBEV) and SFTS phlebovirus (SFTSV). In 2016, a second domestic TBE case was reported in Hokkaido, Japan, after an absence of 23 years. We conducted IgG ELISA for TBEV and SFTSV on 314 deer (Cervus nippon yesoensis) serum samples collected from 3 places in Hokkaido. There were 7 seropositive samples for TBEV but none for SFTSV by ELISA. The specificity of the 7 positive samples was confirmed by neutralization tests against TBEV, and 5 sera showed 320 to 640 of 50% focus reduction endpoint titers...
April 19, 2018: Journal of Veterinary Medical Science
S O Brockmann, R Oehme, T Buckenmaier, M Beer, A Jeffery-Smith, M Spannenkrebs, S Haag-Milz, C Wagner-Wiening, C Schlegel, J Fritz, S Zange, M Bestehorn, A Lindau, D Hoffmann, S Tiberi, U Mackenstedt, G Dobler
In May 2016, two cases of tick-borne encephalitis (TBE) were confirmed by serology (positive IgM and IgG antibodies against TBE virus (TBEV) in serum), with a possible link to raw milk and cheese from a goat farm in a region in Baden-Württemberg, Germany not previously known as TBE-endemic. The outbreak investigation identified 32 consumers of goat dairy products (29 consumers, one farm employee, two owners) of whom none had IgM antibodies against TBEV 3-8 weeks after consumption. Of the 27 notified TBE cases in the State, none reported consumption of raw goat milk or cheese from the suspected farm...
April 2018: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
Stefan S Kachala, Thomas W Rice, Mark E Baker, Jeevanantham Rajeswaran, Prashanthi N Thota, Sudish C Murthy, Eugene H Blackstone, Andrea Zanoni, Siva Raja
OBJECTIVES: The value of routine timed barium esophagram (TBE) in longitudinal follow-up of achalasia after Heller myotomy is unknown. We prospectively prescribed a yearly follow-up TBE. Purposes were to characterize esophageal emptying over time after myotomy, identify preoperative TBE measures associated with follow-up TBE, and characterize follow-up TBE over time in relationship to reintervention. METHODS: From March 1995 to April 2013, 635 patients underwent Heller myotomy for achalasia; 559 had at least 1 follow-up TBE...
March 8, 2018: Journal of Thoracic and Cardiovascular Surgery
Milan Daniel, Vlasta Danielová, Alena Fialová, Marek Malý, Bohumír Kříž, Patricia A Nuttall
Tick-borne encephalitis (TBE) is a serious acute neuroinfection of humans caused by a tick-borne flavivirus. The disease is typically seasonal, linked to the host-seeking activity of Ixodes ricinus (predominantly nymphs), the principal European tick vector species. To address the need for accurate risk predictions of contracting TBE, data on 4,044 TBE cases reported in the Czech Republic during 2001-2006 were compared with questing activity of I. ricinus nymphs monitored weekly at a defined location for the same 6-year period...
2018: Frontiers in Cellular and Infection Microbiology
Pawel Stefanoff, Barbara Rubikowska, Jakub Bratkowski, Zbigniew Ustrnul, Sophie O Vanwambeke, Magdalena Rosinska
During 1999–2012, 77% of the cases of tick-borne encephalitis (TBE) were recorded in two out of 16 Polish provinces. However, historical data, mostly from national serosurveys, suggest that the disease could be undetected in many areas. The aim of this study was to identify which routinely-measured meteorological, environmental, and socio-economic factors are associated to TBE human risk across Poland, with a particular focus on areas reporting few cases, but where serosurveys suggest higher incidence. We fitted a zero-inflated Poisson model using data on TBE incidence recorded in 108 NUTS-5 administrative units in high-risk areas over the period 1999–2012...
April 4, 2018: International Journal of Environmental Research and Public Health
Rahel Ackermann-Gäumann, Marie-Lise Tritten, Mona Hassan, Reto Lienhard
Tick-borne encephalitis (TBE) is endemic in many parts of Europe and Asia. The diagnosis of this disease is essentially based on the demonstration of specific antibodies. For reasons of simplicity, automatization and quick availability of test results, enzyme-linked immunosorbent assays (ELISAs) are the method of choice for serological diagnosis of TBE. Here, we evaluated three commercially available anti-TBEV IgG and IgM ELISAs using 251 serum samples: the SERION ELISA classic FSME Virus/TBE Virus IgG and IgM kit (Virion\Serion), the RIDASCREEN® FSME/TBE IgG and IgM kit (R-Biopharm), and the anti-FSME/TBE virus ELISA "Vienna" IgG/anti-FSME/TBE virus ELISA IgM kit (Euroimmun)...
May 2018: Ticks and Tick-borne Diseases
Keishi Sugino, Hiroshige Shimizu, Yasuhiko Nakamura, Takuma Isshiki, Keiko Matsumoto, Sakae Homma
Background: Atypical idiopathic pulmonary fibrosis (IPF) including multiple cysts or markedly atelectatic induration in upper lung predominance occasionally can confirm the diagnosis of IPF through a multidisciplinary discussion (MDD) between clinician, radiologist and, pathologist in clinical practice. The aim of this study was to clarify the differences in clinico-radiological characteristics and the efficacy of anti-fibrotic agents between atypical IPF and typical IPF. Methods: We retrospectively evaluated the differences in clinico-radiological characteristics between patients with atypical IPF (n=44) and those with typical IPF (n=87) and examined efficacy of anti-fibrotic agents in atypical IPF...
February 2018: Journal of Thoracic Disease
Sambor Grygorczuk, Piotr Czupryna, Sławomir Pancewicz, Renata Świerzbińska, Maciej Kondrusik, Justyna Dunaj, Joanna Zajkowska, Anna Moniuszko-Malinowska
AIM: The aim of the study was to assess the role of an early specific humoral response in human infection with a tick-borne encephalitis virus (TBEV) and the role of IL-5 as its potential mediator and marker. MATERIALS AND METHODS: The retrospective study involved a cohort of 199 patients diagnosed with TBE, in whom anti-TBEV IgM and IgG antibody titers were analyzed on admission and compared with clinical presentation and basic laboratory parameters. The prospective study included 50 TBE patients in whom IL-5 serum and CSF concentration was measured with ELISA on admission in the TBE neurologic phase and in selected patients before discharge, at follow-up or in samples obtained before the neurologic phase onset...
May 2018: Ticks and Tick-borne Diseases
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