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https://www.readbyqxmd.com/read/28108297/the-leukotriene-b4-and-its-receptor-blt1-act-as-critical-drivers-of-neutrophil-recruitment-in-murine-bullous-pemphigoid-like-epidermolysis-bullosa-acquisita
#1
Tanya Sezin, Matthias Krajewski, Adam Wutkowski, Sadegh Mousavi, Lenche Chakievska, Katja Bieber, Ralf J Ludwig, Markus Dahlke, Dirk Rades, Franziska S Schulze, Enno Schmidt, Kathrin Kalies, Yask Gupta, Paul Schilf, Saleh M Ibrahim, Peter König, Dominik Schwudke, Detlef Zillikens, Christian D Sadik
Recruitment of neutrophils and eosinophils into the skin is a hallmark of pemphigoid diseases. The molecular cues regulating granulocyte recruitment into the skin as well as the individual contribution of neutrophils and eosinophils to pemphigoid diseases are, however, poorly understood. The lipid mediator leukotriene B4 (LTB4) is a potent granulocyte chemoattractant and abundant in the skin blister fluid of bullous pemphigoid (BP) patients, but its pathogenic significance is unknown. Using mouse models of (BP)-like epidermolysis bullosa acquisita (EBA) and of BP, we show that LTB4 and its receptor BLT1 act as critical drivers of neutrophil entry into the skin upon antibody deposition at the dermal-epidermal junction...
January 17, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28108041/strain-elastography-as-a-new-method-for-assessing-pelvic-floor-biomechanics
#2
Jana Marie Kreutzkamp, Sebastian Daniel Schäfer, Susanne Amler, Felix Strube, Ludwig Kiesel, Ralf Schmitz
Strain elastography (SE) is a new technique of parametric imaging that allows quantification of the elasticity of tissue. The aim of our study was to determine if the elasticity of para-urethral tissue correlates with urethral mobility and urinary incontinence (UI). Ninety-nine unselected women were investigated with SE. They were given a standardized interview about UI, and SE raw data for the para-urethral tissue were acquired in a sagittal standard urethra-symphysis view while being stimulated by a coughing fit...
January 17, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28107462/cytochrome-c-oxidase-biogenesis-and-metallochaperone-interactions-steps-in-the-assembly-pathway-of-a-bacterial-complex
#3
Sonja Schimo, Ilka Wittig, Klaas M Pos, Bernd Ludwig
Biogenesis of mitochondrial cytochrome c oxidase (COX) is a complex process involving the coordinate expression and assembly of numerous subunits (SU) of dual genetic origin. Moreover, several auxiliary factors are required to recruit and insert the redox-active metal compounds, which in most cases are buried in their protein scaffold deep inside the membrane. Here we used a combination of gel electrophoresis and pull-down assay techniques in conjunction with immunostaining as well as complexome profiling to identify and analyze the composition of assembly intermediates in solubilized membranes of the bacterium Paracoccus denitrificans...
2017: PloS One
https://www.readbyqxmd.com/read/28097625/effects-of-a-web-based-intervention-on-women-s-breast-health-behaviors
#4
Deborah J Bowen, Robert Robbins, Nigel Bush, Hendrika Meischke, Abi Ludwig, Jean Wooldridge
Helping women make choices to reduce cancer risk and to improve breast health behaviors is important, but the best ways to reach more people with intervention assistance is not known. To test the efficacy of a web-based intervention designed to help women make better breast health choices, we adapted our previously tested, successful breast health intervention package to be delivered on the Internet, and then we tested it in a randomized trial. We recruited women from the general public to be randomized to either an active intervention group or a delayed intervention control group...
January 17, 2017: Translational Behavioral Medicine
https://www.readbyqxmd.com/read/28097522/severe-aortic-valve-stenosis-in-adults-is-associated-with-increased-levels-of-circulating-intermediate-monocytes
#5
Bernd Hewing, Sebastian Chi-Diep Au, Antje Ludwig, Rena Ellerbroek, Phillip van Dijck, Lisa Hartmann, Herko Grubitzsch, Carolin Giannini, Michael Laule, Verena Stangl, Gert Baumann, Karl Stangl
Individual monocyte subsets have been associated with atherosclerotic disease, but their distribution has not been evaluated in aortic valve stenosis (AS) so far. In the present study, we have asked whether levels of the circulating intermediate monocyte subset are increased in AS. Classical (CD14++CD16-), intermediate (CD14++CD16+), and non-classical (CD14+CD16++) CD86-positive monocytes and monocyte activation (intensity of CD11b expression) were determined by flow cytometry in peripheral blood of patients with severe AS (n = 100) and matched AS-free controls (n = 75)...
January 17, 2017: Journal of Cardiovascular Translational Research
https://www.readbyqxmd.com/read/28094769/ipsc-derived-%C3%AE-cells-model-diabetes-due-to-glucokinase-deficiency
#6
Haiqing Hua, Linshan Shang, Hector Martinez, Matthew Freeby, Mary Pat Gallagher, Thomas Ludwig, Liyong Deng, Ellen Greenberg, Charles LeDuc, Wendy K Chung, Robin Goland, Rudolph L Leibel, Dieter Egli
No abstract text is available yet for this article.
January 17, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28091930/non-equilibrium-molecular-dynamics-simulations-of-the-transient-ludwig-soret-effect-in-a-binary-lennard-jones-spline-mixture
#7
Bjørn Hafskjold
A binary isotope mixture of Lennard-Jones/spline particles at equilibrium was perturbed by a sudden change in the system's boundary temperatures. The system's response was determined by non-equilibrium molecular dynamics (NEMD). Three transient processes were studied: 1) The propagation of a pressure (shock) wave, 2) heat diffusivity and conduction, and 3) thermal diffusion (the Ludwig-Soret effect). These three processes occur at different time scales, which makes it possible to separate them in one single NEMD run...
January 2017: European Physical Journal. E, Soft Matter
https://www.readbyqxmd.com/read/28090683/similar-but-not-consistent-revisiting-the-pitfalls-of-measuring-igg-subclasses-with-different-assays
#8
Beatrice Ludwig-Kraus, Frank Bernhard Kraus
BACKGROUND: Laboratory quantification of IgG subclasses (IgGSc) is a well-established second-line tool for differential diagnosis of immune deficiencies. However, so far there is still no internationally approved standard available for IgGSc, and different assays are prone to produce divergent results. In this study, we evaluated the comparability and equivalence of two commercially available IgGSc assays, one being the Siemens IgGSc assay on a BN ProSpec analyzer and the other being The Binding Site (TBS) IgGSc assay on a Roche cobas c502 analyzer...
January 16, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28089808/stress-induced-hyperglycemia-after-spontaneous-subarachnoid-hemorrhage-and-its-role-in-predicting-cerebrospinal-fluid-diversion
#9
Bappaditya Ray, Ayumi Ludwig, Lori K Yearout, David M Thompson, Bradley N Bohnstedt
BACKGROUND: Stress induced hyperglycemia (SIH) after acute cerebrovascular disease is common and is associated with adverse clinical outcomes. Incidence of SIH after spontaneous subarachnoid hemorrhage (SAH) and its role in shunt placement has not been systematically investigated. Present study is designed to investigate the incidence of SIH after spontaneous SAH and its determinants. Role of SIH and premorbid hyperglycemia (using glycated hemoglobin, HbA1c) in predicting external ventricular drainage (EVD) and ventriculoperitoneal shunt (VPS) placement is also investigated...
January 12, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28087736/imputation-of-orofacial-clefting-data-identifies-novel-risk-loci-and-sheds-light-on-the-genetic-background-of-cleft-lip-%C3%A2-cleft-palate-and-cleft-palate-only
#10
Kerstin U Ludwig, Anne C Böhmer, John Bowes, Miloš Nikolić, Nina Ishorst, Niki Wyatt, Nigel L Hammond, Lina Gölz, Frederic Thieme, Sandra Barth, Hannah Schuenke, Johanna Klamt, Malte Spielmann, Khalid Aldhorae, Augusto Rojas-Martinez, Markus M Nöthen, Alvaro Rada-Iglesias, Michael J Dixon, Michael Knapp, Elisabeth Mangold
Nonsyndromic cleft lip with or without cleft palate (nsCL/P) is among the most common human birth defects with multifactorial etiology. Here, we present results from a genome-wide imputation study of nsCL/P in which, after adding replication cohort data, four novel risk loci for nsCL/P are identified (at chromosomal regions 2p21, 14q22, 15q24 and 19p13). On a systematic level, we show that the association signals within this high-density dataset are enriched in functionally-relevant genomic regions that are active in both human neural crest cells (hNCC) and mouse embryonic craniofacial tissue...
January 13, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28081129/effects-of-kasugamycin-on-the-translatome-of-escherichia-coli
#11
Christian Lange, Matthias Lehr, Karolin Zerulla, Petra Ludwig, Jens Schweitzer, Tino Polen, Volker F Wendisch, Jörg Soppa
It is long known that Kasugamycin inhibits translation of canonical transcripts containing a 5'-UTR with a Shine Dalgarno (SD) motif, but not that of leaderless transcripts. To gain a global overview of the influence of Kasugamycin on translation efficiencies, the changes of the translatome of Escherichia coli induced by a 10 minutes Kasugamycin treatment were quantified. The effect of Kasugamycin differed widely, 102 transcripts were at least twofold more sensitive to Kasugamycin than average, and 137 transcripts were at least twofold more resistant, and there was a more than 100-fold difference between the most resistant and the most sensitive transcript...
2017: PloS One
https://www.readbyqxmd.com/read/28080250/no-evidence-of-disease-activity-in-patients-receiving-daclizumab-versus-intramuscular-interferon-beta-1a-for-relapsing-remitting-multiple-sclerosis-in-the-decide-study
#12
Ludwig Kappos, Eva Havrdova, Gavin Giovannoni, Bhupendra O Khatri, Susan A Gauthier, Steven J Greenberg, Xiaojun You, Ping Wang, Giorgio Giannattasio
BACKGROUND: No evidence of disease activity (NEDA) is a composite endpoint being increasingly applied as an outcome measure in clinical trials as well as proposed for individual therapeutic decisions in multiple sclerosis (MS). OBJECTIVE: Assess the proportion of patients with relapsing-remitting MS achieving NEDA in the DECIDE study of daclizumab 150 mg subcutaneous versus intramuscular interferon beta-1a 30 µg for 96-144 weeks. METHODS: NEDA was defined as no relapses, no onset of 12-week confirmed disability progression (CDP), no new/newly enlarging T2 hyperintense lesions (NET2), and no gadolinium-enhancing (Gd(+)) lesions...
December 1, 2016: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28079495/on-the-principle-of-temporal-diminution-in-serial-photography
#13
Ludwig Mach
In some cases our sensory organs are no longer capable of rendering processes in the external world perceptible to us. Their inadequacy expresses itself, for example, in phenomena that involve the kind of expansion of space and time in which the conditions for summary perception are no longer at all present. The resources that aid our immediate sense perception in these circumstances will thus be charged with the task of expanding or diminishing space and time to the extent that the contiguity and succession of events is comprehensible to us...
December 2016: Science in Context
https://www.readbyqxmd.com/read/28077380/metabolomic-profiles-as-reliable-biomarkers-of-dietary-composition
#14
Tõnu Esko, Joel N Hirschhorn, Henry A Feldman, Yu-Han H Hsu, Amy A Deik, Clary B Clish, Cara B Ebbeling, David S Ludwig
BACKGROUND: Clinical nutrition research often lacks robust markers of compliance, complicating the interpretation of clinical trials and observational studies of free-living subjects. OBJECTIVE: We aimed to examine metabolomics profiles in response to 3 diets that differed widely in macronutrient composition during a controlled feeding protocol. DESIGN: Twenty-one adults with a high body mass index (in kg/m(2); mean ± SD: 34.4 ± 4.9) were given hypocaloric diets to promote weight loss corresponding to 10-15% of initial body weight...
January 11, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28076681/computational-modeling-of-neurotransmitter-release-evoked-by-electrical-stimulation-non-linear-approaches-to-predicting-stimulation-evoked-dopamine-release
#15
James K Trevathan, Ali Yousefi, Hyung Ook Park, John J Bartoletta, Kip A Ludwig, Kendall H Lee, J Luis Lujan
Neurochemical changes evoked by electrical stimulation of the nervous system have been linked to both therapeutic and undesired effects of neuromodulation therapies used to treat obsessive-compulsive disorder, depression, epilepsy, Parkinson's disease, stroke, hypertension, tinnitus, and many other indications. In fact, interest in better understanding the role of neurochemical signaling in neuromodulation therapies has been a focus of recent government- and industry-sponsored programs whose ultimate goal is to usher in an era of personalized medicine by creating neuromodulation therapies that respond to real-time changes in patient status...
January 11, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28076660/influenza-a-virus-ns1-protein-induced-jnk-activation-and-apoptosis-are-not-functionally-linked
#16
Wolfgang Nacken, Viktor Wixler, Christina Ehrhardt, Stephan Ludwig
Expression of the influenza A virus (IAV) non-structural protein NS1 results in the activation of c-Jun N-terminal kinase (JNK). Both NS1 and JNK are involved in apoptosis induction. To investigate their interrelationship, we stably expressed a tamoxifen inducible NS1 oestrogen receptor fusion-protein (NS1ERT) in mammalian cells. Upon tamoxifen stimulation, NS1ERT expressing cells partially rescued the attenuated replication of NS1-deficient IAVs and also inhibited interferon up-regulation, confirming the functional competence of NS1ERT...
January 11, 2017: Cellular Microbiology
https://www.readbyqxmd.com/read/28074838/the-effect-of-brumation-on-memory-retention
#17
Anna Wilkinson, Anne Hloch, Julia Mueller-Paul, Ludwig Huber
Long-term torpor is an adaptive strategy that allows animals to survive harsh winter conditions. However, the impact that prolonged torpor has on cognitive function is poorly understood. Hibernation causes reduced synaptic activity and experiments with mammals reveal that this can have adverse effects on memories formed prior to hibernation. The impact of brumation, the winter dormancy that is observed in ectotherms, on memory remains unknown. The aim of this study was to examine whether an amphibian, the fire salamander (Salamandra salamandra), was able to retain learned spatial information after a period of brumation...
January 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28074071/olaptesed-pegol-an-anti-cxcl12-sdf-1-spiegelmer-%C3%A2-alone-and-with-bortezomib-dexamethasone-in-relapsed-refractory-multiple-myeloma-a-phase-iia-study
#18
H Ludwig, K Weisel, M T Petrucci, X Leleu, A M Cafro, L Garderet, C Leitgeb, R Foa, R Greil, I Yakoub-Agha, D Zboralski, S Vauléon, T Dümmler, D Beyer, Ana Kruschinski, K Riecke, M Baumann, M Engelhardt
Leukemia accepted article preview online, 11 January 2017. doi:10.1038/leu.2017.5.
January 11, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28073936/human-exploration-of-enclosed-spaces-through-echolocation
#19
Virginia L Flanagin, Sven Schörnich, Michael Schranner, Nadine Hummel, Ludwig Wallmeier, Magnus Wahlberg, Thomas Stephan, Lutz Wiegrebe
: Some blind humans have developed echolocation, as a method of navigation in space. Echolocation is a truly active sense because subjects analyze echoes of dedicated, self-generated sounds to assess space around them. Using a special virtual space technique we assess how humans perceive enclosed spaces through echolocation, thereby revealing the interplay between sensory and vocal-motor neural activity while humans perform this task. Sighted subjects were trained to detect small changes in virtual room size analyzing real-time generated echoes of their vocalizations...
January 10, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28073580/drug-information-by-public-health-and-regulatory-institutions-results-of-an-8-country-survey-in-europe
#20
Giulio Formoso, Maria Font-Pous, Wolf-Dieter Ludwig, David Phizackerley, Dick Bijl, Juan Erviti, Blanka Pospíšilová, Jean Louis Montastruc
PURPOSE: To evaluate the framework of drug information produced by public health and regulatory institutions in Europe. MATERIALS AND METHODS: We carried out a short survey asking editors of ISDB bulletins of the European region to indicate the main sources of drug information provided by public health and regulatory authorities in their countries, the specific kind of information produced and their opinions about strengths and weaknesses of such information. The availability of evaluations about the added therapeutic value of drugs and of tools facilitating the implementation of such information were particularly addressed and checked on the websites of those institutions...
December 29, 2016: Health Policy
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