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Christiane albrecht

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https://www.readbyqxmd.com/read/28811340/type-iii-interferon-mediated-signaling-is-critical-for-controlling-live-attenuated-yellow-fever-virus-infection-in-vivo
#1
Florian Douam, Yentli E Soto Albrecht, Gabriela Hrebikova, Evita Sadimin, Christian Davidson, Sergei V Kotenko, Alexander Ploss
Yellow fever virus (YFV) is an arthropod-borne flavivirus, infecting ~200,000 people worldwide annually and causing about 30,000 deaths. The live attenuated vaccine strain, YFV-17D, has significantly contributed in controlling the global burden of yellow fever worldwide. However, the viral and host contributions to YFV-17D attenuation remain elusive. Type I interferon (IFN-α/β) signaling and type II interferon (IFN-γ) signaling have been shown to be mutually supportive in controlling YFV-17D infection despite distinct mechanisms of action in viral infection...
August 15, 2017: MBio
https://www.readbyqxmd.com/read/28804700/abridged-version-of-the-awmf-guideline-for-the-medical-clinical-diagnostics-of-indoor-mould-exposure-s2k-guideline-of-the-german-society-of-hygiene-environmental-medicine-and-preventive-medicine-ghup-in-collaboration-with-the-german-association-of-allergists
#2
Gerhard A Wiesmüller, Birger Heinzow, Ute Aurbach, Karl-Christian Bergmann, Albrecht Bufe, Walter Buzina, Oliver A Cornely, Steffen Engelhart, Guido Fischer, Thomas Gabrio, Werner Heinz, Caroline E W Herr, Jörg Kleine-Tebbe, Ludger Klimek, Martin Köberle, Herbert Lichtnecker, Thomas Lob-Corzilius, Rolf Merget, Norbert Mülleneisen, Dennis Nowak, Uta Rabe, Monika Raulf, Hans Peter Seidl, Jens-Oliver Steiß, Regine Szewszyk, Peter Thomas, Kerttu Valtanen, Julia Hurraß
This article is an abridged version of the AWMF mould guideline "Medical clinical diagnostics of indoor mould exposure" presented in April 2016 by the German Society of Hygiene, Environmental Medicine and Preventive Medicine (Gesellschaft für Hygiene, Umweltmedizin und Präventivmedizin, GHUP), in collaboration with the above-mentioned scientific medical societies, German and Austrian societies, medical associations and experts. Indoor mould growth is a potential health risk, even if a quantitative and/or causal relationship between the occurrence of individual mould species and health problems has yet to be established...
2017: Allergo Journal International
https://www.readbyqxmd.com/read/28783704/constitutive-resistance-to-viral-infection-in-human-cd141-dendritic-cells
#3
Aymeric Silvin, Chun I Yu, Xavier Lahaye, Francesco Imperatore, Jean-Baptiste Brault, Sylvain Cardinaud, Christian Becker, Wing-Hong Kwan, Cécile Conrad, Mathieu Maurin, Christel Goudot, Santy Marques-Ladeira, Yuanyuan Wang, Virginia Pascual, Esperanza Anguiano, Randy A Albrecht, Matteo Iannacone, Adolfo García-Sastre, Bruno Goud, Marc Dalod, Arnaud Moris, Miriam Merad, A Karolina Palucka, Nicolas Manel
Dendritic cells (DCs) are critical for the launching of protective T cell immunity in response to viral infection. Viruses can directly infect DCs, thereby compromising their viability and suppressing their ability to activate immune responses. How DC function is maintained in light of this paradox is not understood. By analyzing the susceptibility of primary human DC subsets to viral infections, we report that CD141(+) DCs have an innate resistance to infection by a broad range of enveloped viruses, including HIV and influenza virus...
July 7, 2017: Science Immunology
https://www.readbyqxmd.com/read/28777146/qualitative-comparison-between-carrier-based-and-classical-tissue-microarrays
#4
Katharina Lisenko, Jonas Leichsenring, Christiane Zgorzelski, Rémi Longuespée, Rita Casadonte, Alexander Harms, Daniel Kazdal, Albrecht Stenzinger, Arne Warth, Mark Kriegsmann
Tissue microarrays (TMAs) are commonly used in biomarker research. To enhance the efficacy of TMAs and to avoid floating or folding of tissue cores, various improvements such as the application of carriers and melting techniques have been proposed. Compared with classical TMAs (cTMAs), carrier-based TMAs (cbTMAs) have been shown to have several advantages including sample handling and sectioning. Up to now, little is known about the efficacy and quality of cbTMAs compared with cTMAs. Thus, we set out to compare both types systematically...
August 2, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28756086/iterative-beam-hardening-correction-with-advanced-modeled-iterative-reconstruction-in-low-voltage-ct-coronary-calcium-scoring-with-tin-filtration-impact-on-coronary-artery-calcium-quantification-and-image-quality
#5
Christian Tesche, Carlo N De Cecco, U Joseph Schoepf, Taylor M Duguay, Moritz H Albrecht, Damiano Caruso, Akos Varga-Szemes, Virginia W Lesslie, Ullrich Ebersberger, Christian Canstein, Christian Thilo, Ellen Hoffmann, Thomas Allmendinger, John W Nance
OBJECTIVE: We investigated the impact of iterative beam-hardening correction (IBHC) with advanced modeled iterative reconstruction (ADMIRE) of ultra-low radiation-dose tin filtered (Sn100 kVp) CACS acquisitions on image quality, calcium quantification, and risk classification. METHODS: CT data of 60 patients (55% male, age 62.3 ± 9.8years) who underwent a 3rd generation dual-source CACS scan using a prospectively ECG-triggered 100 kVp sequential acquisition protocol with tin filtration (Sn100 kVp) were reconstructed using IBHC with filtered back projection (FBP) and ADMIRE with strength levels of three and five...
July 24, 2017: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/28754744/klb-encoding-%C3%AE-klotho-is-mutated-in-patients-with-congenital-hypogonadotropic-hypogonadism
#6
Cheng Xu, Andrea Messina, Emmanuel Somm, Hichem Miraoui, Tarja Kinnunen, James Acierno, Nicolas J Niederländer, Justine Bouilly, Andrew A Dwyer, Yisrael Sidis, Daniele Cassatella, Gerasimos P Sykiotis, Richard Quinton, Christian De Geyter, Mirjam Dirlewanger, Valérie Schwitzgebel, Trevor R Cole, Andrew A Toogood, Jeremy Mw Kirk, Lacey Plummer, Urs Albrecht, William F Crowley, Moosa Mohammadi, Manuel Tena-Sempere, Vincent Prevot, Nelly Pitteloud
Congenital hypogonadotropic hypogonadism (CHH) is a rare genetic form of isolated gonadotropin-releasing hormone (GnRH) deficiency caused by mutations in > 30 genes. Fibroblast growth factor receptor 1 (FGFR1) is the most frequently mutated gene in CHH and is implicated in GnRH neuron development and maintenance. We note that a CHH FGFR1 mutation (p.L342S) decreases signaling of the metabolic regulator FGF21 by impairing the association of FGFR1 with β-Klotho (KLB), the obligate co-receptor for FGF21. We thus hypothesized that the metabolic FGF21/KLB/FGFR1 pathway is involved in CHH Genetic screening of 334 CHH patients identified seven heterozygous loss-of-function KLB mutations in 13 patients (4%)...
July 28, 2017: EMBO Molecular Medicine
https://www.readbyqxmd.com/read/28734847/noise-optimized-virtual-monoenergetic-dual-energy-ct-improves-diagnostic-accuracy-for-the-detection-of-active-arterial-bleeding-of-the-abdomen
#7
Simon S Martin, Julian L Wichmann, Jan-Erik Scholtz, Doris Leithner, Tommaso D'Angelo, Hendrik Weyer, Christian Booz, Lukas Lenga, Thomas J Vogl, Moritz H Albrecht
PURPOSE: To evaluate diagnostic accuracy of a noise-optimized virtual monoenergetic imaging (VMI+) reconstruction technique for detection of active arterial abdominal bleeding on dual-energy (DE) CT angiography compared with standard image reconstruction. MATERIALS AND METHODS: DE CT angiography data sets of 71 patients (46 men; age 63.6 y ± 13.3) with suspected arterial bleeding of the abdomen or pelvis were reconstructed with standard linearly blended (F_0.5), VMI+, and traditional virtual monoenergetic imaging (VMI) algorithms in 10-keV increments from 40 to 100 keV...
July 19, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28716057/the-peripheral-and-central-humphrey-visual-field-morphological-changes-during-aging
#8
Paul Rutkowski, Christian Albrecht May
BACKGROUND: To define age-related changes in the visual field by comparing 'standard' central and unique peripheral visual field measurements in healthy volunteers. METHODS: In a single center, retrospective, Cross-sectional, observational study, 20 volunteers with no retinal diseases or risk factors, ranging in age between 30 and 94 years (four age groups: 30's, 50's, 70's, 90's) were measured in one eye (preferentially the right one) using a Humphrey visual field 24-2 and 60-4...
July 17, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28704876/mesenteric-masses-on-2d-mode-and-contrast-enhanced-ultrasound-a-retrospective-study-in-69-patients
#9
Corinna Trenker, Ehsan Safaei Zadeh, Golo Petzold, Christian Görg, Albrecht Neesse
Purpose Detection of mesenteric masses (MM) by 2 D ultrasound often causes a diagnostic dilemma, and histological confirmation is required for definite diagnosis. The value of contrast-enhanced ultrasound (CEUS) for the diagnosis of MMs has not been investigated before. Here, we retrospectively evaluate 2D-mode and CEUS patterns of 69 patients with histologically confirmed MMs. Materials and Methods Between January 2006 and January 2016, n = 69 patients were included in the study. Histopathological data, clinical data, 2D-mode ultrasound and CEUS enhancement were retrospectively analyzed...
July 13, 2017: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/28704392/redifferentiation-of-aged-human-articular-chondrocytes-by-combining-bone-morphogenetic-protein-2-and-melanoma-inhibitory-activity-protein-in-3d-culture
#10
Stephan Payr, Brigitte Tichy, Clemens Atteneder, Marc Michel, Thomas Tiefenboeck, Nikolaus Lang, Sylvia Nuernberger, Stefan Hajdu, Elizabeth Rosado-Balmayor, Stefan Marlovits, Christian Albrecht
Melanoma inhibitory activity (MIA) affects the differentiation to hyaline cartilage and can inhibit the osteogenic potential of bone morphogenetic protein (BMP)-2 in mesenchymal stem cells (MSC). The aim of this study was to investigate if MIA also inhibits the osteogenic potential of BMP-2 in human articular chondrocytes during redifferentiation, which may lead to a higher grade of differentiation without calcification. HAC of four female patients (mean age: 73.75 ±6.98) were seeded into 3D culture for 28 days; after adding the recombinant proteins, four groups were formed (Control, BMP-2, MIA, BMP-2+MIA)...
2017: PloS One
https://www.readbyqxmd.com/read/28704242/long-term-clinical-outcome-after-implantation-of-the-self-expandable-stentys-stent-in-a-large-multicenter-cohort
#11
Luise Gaede, Christoph Liebetrau, Oliver Dörr, Johannes Blumenstein, Albrecht Elsässer, Christian W Hamm, Helge Möllmann, Christian Schlundt, Holger M Nef, Stephan Achenbach
OBJECTIVE: The objective of the study was to retrospectively evaluate the long-term clinical outcome after implantation of the self-expandable (SE) STENTYS stent in a large multicenter cohort. BACKGROUND: Incomplete stent apposition is known to cause higher rates of myocardial infarction (MI) and stent thrombosis. Because of its self-expanding features, the SE STENTYS stent adapts to the vessel wall and is therefore expected to minimize malapposition and therefore the rates of MI and stent thrombosis...
July 12, 2017: Coronary Artery Disease
https://www.readbyqxmd.com/read/28684024/germany-s-expanding-role-in-global-health
#12
REVIEW
Ilona Kickbusch, Christian Franz, Anna Holzscheiter, Iris Hunger, Albrecht Jahn, Carsten Köhler, Oliver Razum, Jean-Olivier Schmidt
Germany has become a visible actor in global health in the past 10 years. In this Series paper, we describe how this development complements a broad change in perspective in German foreign policy. Catalysts for this shift have been strong governmental leadership, opportunities through G7 and G20 presidencies, and Germany's involvement in managing the Ebola virus disease outbreak. German global health engagement has four main characteristics that are congruent with the health agenda of the Sustainable Development Goals; it is rooted in human rights, multilateralism, the Bismarck model of social protection, and a link between development and investment on the basis of its own development trajectory after World War 2...
July 3, 2017: Lancet
https://www.readbyqxmd.com/read/28678784/personalized-rna-mutanome-vaccines-mobilize-poly-specific-therapeutic-immunity-against-cancer
#13
Ugur Sahin, Evelyna Derhovanessian, Matthias Miller, Björn-Philipp Kloke, Petra Simon, Martin Löwer, Valesca Bukur, Arbel D Tadmor, Ulrich Luxemburger, Barbara Schrörs, Tana Omokoko, Mathias Vormehr, Christian Albrecht, Anna Paruzynski, Andreas N Kuhn, Janina Buck, Sandra Heesch, Katharina H Schreeb, Felicitas Müller, Inga Ortseifer, Isabel Vogler, Eva Godehardt, Sebastian Attig, Richard Rae, Andrea Breitkreuz, Claudia Tolliver, Martin Suchan, Goran Martic, Alexander Hohberger, Patrick Sorn, Jan Diekmann, Janko Ciesla, Olga Waksmann, Alexandra-Kemmer Brück, Meike Witt, Martina Zillgen, Andree Rothermel, Barbara Kasemann, David Langer, Stefanie Bolte, Mustafa Diken, Sebastian Kreiter, Romina Nemecek, Christoffer Gebhardt, Stephan Grabbe, Christoph Höller, Jochen Utikal, Christoph Huber, Carmen Loquai, Özlem Türeci
T cells directed against mutant neo-epitopes drive cancer immunity. However, spontaneous immune recognition of mutations is inefficient. We recently introduced the concept of individualized mutanome vaccines and implemented an RNA-based poly-neo-epitope approach to mobilize immunity against a spectrum of cancer mutations. Here we report the first-in-human application of this concept in melanoma. We set up a process comprising comprehensive identification of individual mutations, computational prediction of neo-epitopes, and design and manufacturing of a vaccine unique for each patient...
July 13, 2017: Nature
https://www.readbyqxmd.com/read/28629567/ct-coronary-calcium-scoring-with-tin-filtration-using-iterative-beam-hardening-calcium-correction-reconstruction
#14
Christian Tesche, Carlo N De Cecco, U Joseph Schoepf, Taylor M Duguay, Moritz H Albrecht, Domenico De Santis, Akos Varga-Szemes, Virginia W Lesslie, Ullrich Ebersberger, Richard R Bayer, Christian Canstein, Ellen Hoffmann, Thomas Allmendinger, John W Nance
OBJECTIVES: To investigate the diagnostic accuracy of CT coronary artery calcium scoring (CACS) with tin pre-filtration (Sn100kVp) using iterative beam-hardening correction (IBHC) calcium material reconstruction compared to the standard 120kVp acquisition. BACKGROUND: Third generation dual-source CT (DSCT) CACS with Sn100kVp acquisition allows significant dose reduction. However, the Sn100kVp spectrum is harder with lower contrast compared to 120kVp, resulting in lower calcium score values...
June 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28623979/placental-glucose-transporter-glut-1-is-down-regulated-in-preeclampsia
#15
Benjamin P Lüscher, Camilla Marini, Marianne S Joerger-Messerli, Xiao Huang, Matthias A Hediger, Christiane Albrecht, Marc U Baumann, Daniel V Surbek
INTRODUCTION: Transplacental fetal glucose supply is predominantly regulated by glucose transporter-1 (GLUT1). Altered expression and/or function of GLUT1 may affect the intrauterine environment, which could compromise fetal development and may contribute to fetal programming. To date it is unknown whether placental GLUT1 is affected by preeclampsia, which is often associated with intrauterine growth restriction (IUGR). We addressed the hypothesis that preeclampsia leads to decreased expression and function of placental GLUT1...
July 2017: Placenta
https://www.readbyqxmd.com/read/28608851/a-global-dataset-of-crowdsourced-land-cover-and-land-use-reference-data
#16
Steffen Fritz, Linda See, Christoph Perger, Ian McCallum, Christian Schill, Dmitry Schepaschenko, Martina Duerauer, Mathias Karner, Christopher Dresel, Juan-Carlos Laso-Bayas, Myroslava Lesiv, Inian Moorthy, Carl F Salk, Olha Danylo, Tobias Sturn, Franziska Albrecht, Liangzhi You, Florian Kraxner, Michael Obersteiner
Global land cover is an essential climate variable and a key biophysical driver for earth system models. While remote sensing technology, particularly satellites, have played a key role in providing land cover datasets, large discrepancies have been noted among the available products. Global land use is typically more difficult to map and in many cases cannot be remotely sensed. In-situ or ground-based data and high resolution imagery are thus an important requirement for producing accurate land cover and land use datasets and this is precisely what is lacking...
June 13, 2017: Scientific Data
https://www.readbyqxmd.com/read/28590074/evolutionary-bottlenecks-in-brackish-water-habitats-drive-the-colonization-of-fresh-water-by-stingrays
#17
K N Kirchhoff, T Hauffe, B Stelbrink, C Albrecht, T Wilke
Species richness in freshwater bony fishes depends on two main processes: the transition into and the diversification within freshwater habitats. In contrast to bony fishes, only few cartilaginous fishes, mostly stingrays (Myliobatoidei), were able to colonize fresh water. Respective transition processes have been mainly assessed from a physiological and morphological perspective, indicating that the freshwater lifestyle is strongly limited by the ability to perform osmoregulatory adaptations. However, the transition history and the effect of physiological constraints on the diversification in stingrays remain poorly understood...
June 7, 2017: Journal of Evolutionary Biology
https://www.readbyqxmd.com/read/28579164/impact-of-strut-thickness-on-acute-mechanical-performance-a-comparison-study-using-optical-coherence-tomography-between-desolve-150-and-desolve-100
#18
Niklas F Boeder, Oliver Dörr, Timm Bauer, Alessio Mattesini, Albrecht Elsässer, Christoph Liebetrau, Stephan Achenbach, Christian W Hamm, Holger M Nef
OBJECTIVE: To evaluate the acute performance of a novolimus-eluting bioresorbable scaffold (BRS) with different strut thickness (DESolve system 150 and 100) using optical coherence tomography (OCT) in terms of appropriate scaffold deployment. BACKGROUND: Outcome after BRS implantation seen in registries and meta-analyses continue to show a higher rate of scaffold thrombosis than those reported with DES. Thus, second scaffold generations with lower strut thickness might have potential advantages in terms of flow disturbance...
May 24, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28575639/matrix-production-affects-mri-outcomes-after-matrix-associated-autologous-chondrocyte-transplantation-in-the-knee
#19
Christian Albrecht, Carla-Antonia Reuter, David Stelzeneder, Lukas Zak, Brigitte Tichy, Sylvia Nürnberger, Sandra Boesmueller, Stefan Marlovits, Siegfried Trattnig, Stefan Hajdu, Silke Aldrian
BACKGROUND: Matrix-associated autologous chondrocyte transplantation (MACT) has been an effective therapy for large, full-thickness cartilage lesions for years. However, little is known about how graft maturation is affected by characteristics of transplanted chondrocytes. PURPOSE: To investigate the influence of gene expression of chondrocytes at the time of transplantation on MRI outcomes up to 2 years after MACT. STUDY DESIGN: Case series; Level of evidence, 4...
August 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28554368/mental-disorders-in-patients-with-chronic-pelvic-pain-syndrome-cpps
#20
Christian Brünahl, Christoph Dybowski, Rebecca Albrecht, Björn Riegel, Johanna Höink, Margit Fisch, Bernd Löwe
OBJECTIVE: Chronic pelvic pain syndrome (CPPS) is a debilitating pain condition with prevalence rates between 2.0% and 26.6%. Studies indicate that CPPS is often associated with psychosocial factors, but little is known about the presence of full-blown mental disorders in female and male patients with CPPS. Therefore, the aim of this study was to investigate the frequencies of mental disorders in patients with CPPS. METHODS: Cross-sectional data were collected from patients visiting a specialized outpatient clinic...
July 2017: Journal of Psychosomatic Research
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