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https://www.readbyqxmd.com/read/28728998/sialylation-of-igg-antibodies-inhibits-igg-mediated-allergic-reactions
#1
Alexandra Epp, Juliane Hobusch, Yannic C Bartsch, Janina Petry, Gina-Maria Lilienthal, Carolien A M Koeleman, Simon Eschweiler, Christian Möbs, Ashley Hall, Suzanne C Morris, Dominique Braumann, Christine Engellenner, Josephine Bitterling, Johann Rahmöller, Alexei Leliavski, Robina Thurmann, Mattias Collin, Kelley W Moremen, Richard T Strait, Véronique Blanchard, Arnd Petersen, Timo Gemoll, Jens K Habermann, Frank Petersen, Andreas Nandy, Helga Kahlert, Michael Hertl, Manfred Wuhrer, Wolfgang Pfützner, Uta Jappe, Fred D Finkelman, Marc Ehlers
In presence of high allergen dosis besides IgE also IgG antibodies can induce allergic reactions, whose severity is dependent on the induced type of IgG Fc glycosylation, what should be considered for new AIT protocols containing new adjuvants.
July 17, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28716233/-23-na-mri-reveals-persistent-sodium-accumulation-in-tumefactive-ms-lesions
#2
Konstantin Huhn, Angelika Mennecke, Peter Linz, Franz Tschunko, Nicola Kästle, Armin M Nagel, Michael Uder, Arnd Dörfler, Ralf A Linker, Tobias Engelhorn
BACKGROUND: Chronic inflammatory demyelinating diseases of the CNS typically show a limited lesion size. However, extended lesions may appear with an atypical configuration. Large lesions with a diameter>2cm accompanied by tumor-like edema are entitled "tumefactive" and may occur in multiple sclerosis (MS) and other demyelinating diseases. Historically, differential diagnosis often requires histological analysis. Therefore, advanced imaging techniques are warranted to allow for a precise non-invasive diagnosis...
August 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28715042/-diagnostic-significance-of-multiparametric-mri-combined-with-us-fusion-guided-biopsy-of-the-prostate-in-patients-with-increased-psa-levels-and-negative-standard-biopsy-results-to-detect-significant-prostate-cancer-correlation-with-the-gleason-score-korrelation
#3
Manuela Hoffmann, Manuela A Hoffmann, Helmut J Wieler, Frank M Jakobs, Kasra Taymoorian, Arnd Gerhards, Matthias Miederer, Mathias Schreckenberger
AIMS: To increase diagnostic precision and to reduce overtreatment of low-risk malignant disease, multiparametric MRI (mpMRI) combined with ultrasound (US) fusion guided biopsy of the prostate were performed. METHODS: In 99 male patients with increased PSA plasma levels and previous negative standard biopsy procedures, mpMRI was carried out followed by US fusion guided perineal biopsy. PI-RADS-Data (PS) of mpMRI and histopathological Gleason score (GS) were categorized and statistically compared...
July 17, 2017: Nuklearmedizin. Nuclear Medicine
https://www.readbyqxmd.com/read/28681088/mediolateral-femoral-component-position-in-tka-significantly-alters-patella-shift-and-femoral-roll-back
#4
Arnd Steinbrück, Christian Schröder, Matthias Woiczinski, Florian Schmidutz, Peter E Müller, Volkmar Jansson, Andreas Fottner
PURPOSE: Increased retropatellar pressure and altered kinematics are associated with anterior knee pain and unsatisfied patients after total knee arthroplasty (TKA). Since malposition of the implant is believed to contribute to postoperative pain, we performed this in vitro study to evaluate the influence of mediolateral femoral component position on retropatellar pressure as well as tibio-femoral and patella kinematics. METHODS: For the test, a fixed-bearing TKA was implanted in eight fresh frozen cadaver specimens...
July 5, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28628104/active-dendritic-integration-as-a-mechanism-for-robust-and-precise-grid-cell-firing
#5
Christoph Schmidt-Hieber, Gabija Toleikyte, Laurence Aitchison, Arnd Roth, Beverley A Clark, Tiago Branco, Michael Häusser
Understanding how active dendrites are exploited for behaviorally relevant computations is a fundamental challenge in neuroscience. Grid cells in medial entorhinal cortex are an attractive model system for addressing this question, as the computation they perform is clear: they convert synaptic inputs into spatially modulated, periodic firing. Whether active dendrites contribute to the generation of the dual temporal and rate codes characteristic of grid cell output is unknown. We show that dendrites of medial entorhinal cortex neurons are highly excitable and exhibit a supralinear input-output function in vitro, while in vivo recordings reveal membrane potential signatures consistent with recruitment of active dendritic conductances...
June 19, 2017: Nature Neuroscience
https://www.readbyqxmd.com/read/28628102/regulation-of-body-weight-and-energy-homeostasis-by-neuronal-cell-adhesion-molecule-1
#6
Thomas Rathjen, Xin Yan, Natalia L Kononenko, Min-Chi Ku, Kun Song, Leiron Ferrarese, Valentina Tarallo, Dmytro Puchkov, Gaga Kochlamazashvili, Sebastian Brachs, Luis Varela, Klara Szigeti-Buck, Chun-Xia Yi, Sonja C Schriever, Sudhir Gopal Tattikota, Anne Sophie Carlo, Mirko Moroni, Jan Siemens, Arnd Heuser, Louise van der Weyden, Andreas L Birkenfeld, Thoralf Niendorf, James F A Poulet, Tamas L Horvath, Matthias H Tschöp, Matthias Heinig, Mirko Trajkovski, Volker Haucke, Matthew N Poy
Susceptibility to obesity is linked to genes regulating neurotransmission, pancreatic beta-cell function and energy homeostasis. Genome-wide association studies have identified associations between body mass index and two loci near cell adhesion molecule 1 (CADM1) and cell adhesion molecule 2 (CADM2), which encode membrane proteins that mediate synaptic assembly. We found that these respective risk variants associate with increased CADM1 and CADM2 expression in the hypothalamus of human subjects. Expression of both genes was elevated in obese mice, and induction of Cadm1 in excitatory neurons facilitated weight gain while exacerbating energy expenditure...
June 19, 2017: Nature Neuroscience
https://www.readbyqxmd.com/read/28626436/judgments-at-gaze-value-gaze-cuing-in-banner-advertisements-its-effect-on-attention-allocation-and-product-judgments
#7
Johanna Palcu, Jennifer Sudkamp, Arnd Florack
Banner advertising is a popular means of promoting products and brands online. Although banner advertisements are often designed to be particularly attention grabbing, they frequently go unnoticed. Applying an eye-tracking procedure, the present research aimed to (a) determine whether presenting human faces (static or animated) in banner advertisements is an adequate tool for capturing consumers' attention and thus overcoming the frequently observed phenomenon of banner blindness, (b) to examine whether the gaze of a featured face possesses the ability to direct consumers' attention toward specific elements (i...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28607614/pulmonary-vein-potential-mapping-in-atrial-fibrillation-with-high-density-and-standard-spiral-lasso-catheters-a-comparative-study
#8
Axel Meissner, Petra Maagh, Arnd Christoph, Ahmet Oernek, Gunnar Plehn
BACKGROUND: The dominant single-shot procedure for Pulmonary Vein Isolation (PVI) is the Cryoballoon Ablation (CBA) technique using a spiral catheter (Achieve™, AC) for mapping and monitoring purposes. We hypothesized that Basket Catheters, such as the High Density Mesh Mapper (HDMM), with its high-density mapping properties, could detect Pulmonary Vein Potentials (PVPs) that the octapolar AC would not be able to identify. METHODS: Twenty-four patients (average age 61...
June 2017: Journal of Arrhythmia
https://www.readbyqxmd.com/read/28599333/-macular-edema-in-uveitis-steroids-or-vegf-inhibitors
#9
Carsten Heinz, Arnd Heiligenhaus
Macular edema in uveitis patients is certainly the most frequent complication leading to a permanent and irreversible reduction in vision during the course of the disease. Thanks to optical coherence tomography (OCT) technology and fluorescein angiography (FAG), significantly more macular edemas are detected. Macular edema can be found in various uveitis varieties and can show different clinical patterns. All macular edema should be treated. Macular edema with active inflammation usually reacts very well to general uveitis treatment...
June 9, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28553207/dm5-ht2b-pharmacological-characterization-of-the-fifth-serotonin-receptor-subtype-of-drosophila-melanogaster
#10
Wolfgang Blenau, Stöppler Daniel, Sabine Balfanz, Markus Thamm, Arnd Baumann
Serotonin (5-hydroxytryptamine, 5-HT) is an important regulator of physiological and behavioral processes in both protostomes (e.g., insects) and deuterostomes (e.g., mammals). In insects, serotonin has been found to modulate the heart rate and to control secretory processes, development, circadian rhythms, aggressive behavior, as well as to contribute to learning and memory. Serotonin exerts its activity by binding to and activating specific membrane receptors. The clear majority of these receptors belong to the superfamily of G-protein-coupled receptors...
2017: Frontiers in Systems Neuroscience
https://www.readbyqxmd.com/read/28541870/palmoplantar-pustulosis-a-cross-sectional-analysis-in-germany
#11
Dagmar Wilsmann-Theis, Arnd Jacobi, Yvonne Frambach, Sandra Philipp, Ansgar Weyergraf, Tillmann Schill, Kirsten Steinz, Sascha Gerdes, Rotraut Mössner
BACKGROUND: Palmoplantar pustulosis (PPP) is a recalcitrant chronic inflammatory skin disease. Data relevant for the medical care of patients with PPP are scarce. Thus, the aim of this work was to investigate the disease burden, clinical characteristics, and comorbidity of PPP patients in Germany. PATIENTS AND METHODS: PPP patients were examined in a crosssectional study at seven specialized psoriasis centers in Germany. RESULTS: Of the 172 included patients with PPP, 79...
April 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28531226/intercenter-validation-of-a-knowledge-based-model-for-automated-planning-of-volumetric-modulated-arc-therapy-for-prostate-cancer-the-experience-of-the-german-rapidplan-consortium
#12
Carolin Schubert, Oliver Waletzko, Christian Weiss, Dirk Voelzke, Sevda Toperim, Arnd Roeser, Silvia Puccini, Marc Piroth, Christian Mehrens, Jan-Dirk Kueter, Kirsten Hierholz, Karsten Gerull, Antonella Fogliata, Andreas Block, Luca Cozzi
PURPOSE: To evaluate the performance of a model-based optimisation process for volumetric modulated arc therapy applied to prostate cancer in a multicentric cooperative group. The RapidPlan (RP) knowledge-based engine was tested for the planning of Volumetric modulated arc therapy with RapidArc on prostate cancer patients. The study was conducted in the frame of the German RapidPlan Consortium (GRC). METHODS AND MATERIALS: 43 patients from one institute of the GRC were used to build and train a RP model...
2017: PloS One
https://www.readbyqxmd.com/read/28505676/-new-therapeutic-approaches-in-inflammatory-diseases-of-the-eye-targeting-lymphangiogenesis-and-cellular-immunity-research-unit-for-2240-presents-itself
#13
Claus Cursiefen, Felix Bock, Thomas Clahsen, Birgit Regenfuss, Andre Reis, Philipp Steven, Ludwig M Heindl, Jacobus J Bosch, Deniz Hos, Sabine Eming, Rafael Grajewski, Arnd Heiligenhaus, Sascha Fauser, Jennifer Austin, Thomas Langmann
Background Ophthalmology, principally, is a very successful subdiscipline in medicine. Nonetheless, there are still unmet medical needs which necessitate translational research. Methods The funding instrument of a Research Unit (RU) of the German Research Foundation (DFG) is presented as exemplified by the RU 2240 at the Department of Ophthalmology at the University of Cologne. Results The Research Unit integrates different research groups working on pathologic ocular inflammation, macrophages/microglia and (lymph)angiogenesis to collaborate in a synergistic way...
May 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28505673/-hla-b27-positive-acute-anterior-uveitis-a-translational-perspective
#14
Arnd Heiligenhaus, Maren Kasper, Rafael Grajewski
Background HLA-B27 positive acute anterior uveitis is the most common type of uveitis, and it is an autoimmune disease that can be triggered by infections. The precise mechanism of the interaction between involved microbes (mostly gram negative bacteria) and the host immune system is not clear. The disease probably results from an imbalance between pro- and anti-inflammatory components. Project description This article gives a compact overview about the current knowledge of the clinic and the etiopathogenesis of acute anterior uveitis as a basis for future research approaches...
May 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28505672/-translational-research-in-ophthalmology-is-important
#15
Claus Cursiefen, Arnd Heiligenhaus
No abstract text is available yet for this article.
May 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28493323/early-changes-of-the-cortical-micro-channel-system-in-the-bare-area-of-the-joints-of-patients-with-rheumatoid-arthritis
#16
David Werner, David Simon, Matthias Englbrecht, Fabian Stemmler, Christoph Simon, Andreas Berlin, Judith Haschka, Nina Renner, Thomas Buder, Klaus Engelke, Axel J Hueber, Jürgen Rech, Georg Schett, Arnd Kleyer
OBJECTIVE: To characterize the specific structural properties of the erosion-prone bare area of the human joint, and to search for early microstructural changes in this region during rheumatoid arthritis (RA). METHODS: In the initial part of the study, human cadaveric hand joints were examined for exact localization of the bare area of the metacarpal heads, followed by detection of cortical micro-channels (CoMiCs) in this region by high-resolution peripheral quantitative computed tomography (HR-pQCT) and, after anatomic dissection, validation of the presence of CoMiCs by micro-computed tomography (micro-CT)...
May 10, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28488162/can-the-metaphyseal-anchored-metha-short-stem-safely-be-revised-with-a-standard-cls-stem-a-biomechanical-analysis
#17
Shuang G Yan, Matthias Woiczinski, Tobias F Schmidutz, Patrick Weber, Alexander C Paulus, Arnd Steinbrück, Volkmar Jansson, Florian Schmidutz
PURPOSE: Short stem total hip arthroplasty (SHA) has gained increasing popularity as it conserves bone stock and is supposed to allow revision with a conventional stem. However, no study has evaluated whether the revision of a SHA with a standard total hip arthroplasty (THA) stem provides sufficient primary stability to allow osseous integration. METHODS: A neck preserving SHA (Metha) and a standard THA (CLS) stem were implanted into six composite femurs respectively and dynamically loaded (300-1700 N, 1 Hz)...
May 9, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28477180/value-of-flat-detector-computed-tomography-angiography-with-intravenous-contrast-media-injection-in-the-evaluation-and-treatment-of-acutely-ruptured-aneurysms-of-the-acoma-complex-a%C3%A2-single-center-experience-in-15%C3%A2-cases
#18
Julie Rösch, Stefan Lang, Philipp Gölitz, Bernd Kallmünzer, Karl Rössler, Arnd Doerfler, Tobias Struffert
OBJECTIVE: To illustrate the added value of flat-detector computed tomography angiography with intravenous contrast media injection (intravenous FDCTA) in the evaluation of complex A1/A2/AcomA aneurysms. PATIENTS AND METHODS: We retrospectively reviewed 15 patients with ruptured aneurysms. In each patient, an intravenous FDCTA was performed and its diagnostic value investigated. RESULTS: In all patients, FDCTA contributed relevant additional information concerning the anatomy of the A1/A2/AcomA complex and the relationship of the aneurysm neck to these vascular structures, which could not be gained by 2D- and 3D-DSA, and changed the management in 33% of the patients (5 out of 15)...
May 5, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28470828/neurological-and-neuropsychological-effects-of-low-and-moderate-prenatal-alcohol-exposure
#19
REVIEW
E Comasco, J Rangmar, U J Eriksson, L Oreland
Several explanations for the diverse results in research on foetal alcohol spectrum disorders or alcohol-related neurodevelopmental disorder might be at hand: timing, amount and patterns of alcohol exposure, as well as complex epigenetic responses. The genetic background of the offspring and its interaction with other prenatal and post-natal environmental cues are likely also of importance. In the present report, key findings about the possible effects of low and moderate doses of maternal alcohol intake on the neuropsychological development of the offspring are reviewed and plausible mechanisms discussed...
May 4, 2017: Acta Physiologica
https://www.readbyqxmd.com/read/28455166/biomechanical-performance-of-a-collagen-meniscus-implant-with-regard-to-suture-material-and-irrigation-fluid
#20
Clemens Gwinner, Philipp von Roth, Sebastian Schmidt, Jan-Erik Ode, Dag Wulsten, Arnd Hoburg
BACKGROUND: The role of meniscus scaffolds remains controversial as failure rates remain high. The aim of this study was to evaluate the pullout strength of different suture materials used for fixation of the Collagen Meniscus Implant (CMI) regarding different suture materials, and type or temperature of irrigation fluid. METHODS: One-hundred and twelve specimens were utilized with horizontal sutures and mounted to a dedicated test device. Loads were applied perpendicular to the CMI, until failure...
April 25, 2017: Knee
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