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https://www.readbyqxmd.com/read/28731911/expert-and-self-assessment-of-lifetime-symptoms-and-diagnosis-of-major-depressive-disorder-in-large-scale-genetic-studies-in-the-general-population-comparison-of-a-clinical-interview-and-a-self-administered-checklist
#1
Jessica Martin, Fabian Streit, Jens Treutlein, Maren Lang, Josef Frank, Andreas J Forstner, Franziska Degenhardt, Stephanie H Witt, Thomas G Schulze, Sven Cichon, Markus M Nöthen, Marcella Rietschel, Jana Strohmaier
Major depression disorder (MDD) is a complex neuropsychiatric disorder and an increasing number of genetic risk variants are being identified. Investigation of their influence in the general population requires accurate and efficient assessment of depressive symptoms. Here, clinical interviews conducted by clinicians are the gold standard. We investigated whether valid and reliable clinical phenotypes can be obtained efficiently using self-administered instruments. Lifetime depressive symptoms and lifetime MDD diagnosis were assessed in 464 population-based individuals using a clinical interview and a structured, self-administered checklist...
July 20, 2017: Psychiatric Genetics
https://www.readbyqxmd.com/read/28730730/renal-impairment-hampers-bisphosphonate-treatment-in-a-quarter-of-lung-cancer-patients-with-bone-metastasis
#2
Katalin Fábián, Rita Puskás, Tímea Kakuk, László Prés, Dorottya Fejes, Zsolt Szegedi, Lívia Rojkó, Zoltán Szállási, Balázs Döme, Orsolya Pipek, Judit Moldvay
Renal function impairment in lung cancer patients with bone metastases was investigated, as this can limit the application of bisphosphonates representing the gold standard in the management of such cases. Clinicopathological data of 570 lung cancer patients were retrospectively analysed for changes in renal function parameters. Co-morbidities included hypertension (50%), COPD (33%) and diabetes mellitus (15%). Statistical analysis was performed with Fisher's exact tests and a Cox proportional hazards model...
July 21, 2017: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28728714/the-impact-of-minimally-invasive-esophageal-surgery
#3
REVIEW
Thomas Fabian, John A Federico
Many esophageal patients with cancer were undertreated for their malignancy, which played a role in the poor long-term survival rate. Surgeons have been eager to see real change in short-term and long-term outcomes. Dramatic and profound advances continue toward improving surgical outcomes, techniques, and expanding the reach of esophagectomy, especially the use of minimally invasive techniques. This article discusses the surgical innovations that have occurred in the last decade and their impact on patients with esophageal cancer...
August 2017: Surgical Clinics of North America
https://www.readbyqxmd.com/read/28727330/-lower-urinary-tract-infections-in-men-urethritis-cystitis-and-prostatitis
#4
Marie-Céline Zanella, Fabian Schoofs, Benedikt Huttner, Angela Huttner
Recommendations for the treatment of lower non-catheter-related urinary tract infection (UTI) in men are rarely evidence-based. Their management requires the localization of the site of infection, whether it be the urethra, bladder or prostate, and includes antibiotic therapy and in most cases urological assessment. They are often associated with urinary tract procedures or anatomical or functional abnormalities. Nearly 80 % of male UTIs are caused by Enterobacteriaceae. The prevalence of broad-spectrum beta-lactamase-producing strains (ESBL) and quinolone-resistant strains is increasing...
April 12, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28726829/experimental-signatures-of-the-mixed-axial-gravitational-anomaly-in-the-weyl-semimetal-nbp
#5
Johannes Gooth, Anna C Niemann, Tobias Meng, Adolfo G Grushin, Karl Landsteiner, Bernd Gotsmann, Fabian Menges, Marcus Schmidt, Chandra Shekhar, Vicky Süß, Ruben Hühne, Bernd Rellinghaus, Claudia Felser, Binghai Yan, Kornelius Nielsch
The conservation laws, such as those of charge, energy and momentum, have a central role in physics. In some special cases, classical conservation laws are broken at the quantum level by quantum fluctuations, in which case the theory is said to have quantum anomalies. One of the most prominent examples is the chiral anomaly, which involves massless chiral fermions. These particles have their spin, or internal angular momentum, aligned either parallel or antiparallel with their linear momentum, labelled as left and right chirality, respectively...
July 19, 2017: Nature
https://www.readbyqxmd.com/read/28725187/lack-of-associations-between-female-hormone-levels-and-visuospatial-working-memory-divided-attention-and-cognitive-bias-across-two-consecutive-menstrual-cycles
#6
Brigitte Leeners, Tillmann H C Kruger, Kirsten Geraedts, Enrico Tronci, Toni Mancini, Fabian Ille, Marcel Egli, Susanna Röblitz, Lanja Saleh, Katharina Spanaus, Cordula Schippert, Yuangyuang Zhang, Michael P Hengartner
Background: Interpretation of observational studies on associations between prefrontal cognitive functioning and hormone levels across the female menstrual cycle is complicated due to small sample sizes and poor replicability. Methods: This observational multisite study comprised data of n = 88 menstruating women from Hannover, Germany, and Zurich, Switzerland, assessed during a first cycle and n = 68 re-assessed during a second cycle to rule out practice effects and false-positive chance findings. We assessed visuospatial working memory, attention, cognitive bias and hormone levels at four consecutive time-points across both cycles...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28724970/classification-of-skin-phenotypes-caused-by-diabetes-mellitus-using-complex-scattering-parameters-in-the-millimeter-wave-frequency-range
#7
Fabian Dornuf, Pedro Martín-Mateos, Blanca Duarte, Bernhard Hils, Oscar Elias Bonilla-Manrique, Fernando Larcher, Pablo Acedo, Viktor Krozer
The pathological skin phenotype caused by hyperglycemia is an important indicator for the progress of diabetes mellitus. An early detection of diabetes assures an early intervention to regulate the carbohydrate metabolism. In this publication a non-invasive detection principle based on the measurement of complex scattering parameters in the millimeter-wave frequency range is presented. The measurement principle provides evidence of the applicability for the identification of different glycemic states in animal models...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28722010/a-shape-shifting-redox-foldase-contributes-to-proteus-mirabilis-copper-resistance
#8
Emily J Furlong, Alvin W Lo, Fabian Kurth, Lakshmanane Premkumar, Makrina Totsika, Maud E S Achard, Maria A Halili, Begoña Heras, Andrew E Whitten, Hassanul G Choudhury, Mark A Schembri, Jennifer L Martin
Copper resistance is a key virulence trait of the uropathogen Proteus mirabilis. Here we show that P. mirabilis ScsC (PmScsC) contributes to this defence mechanism by enabling swarming in the presence of copper. We also demonstrate that PmScsC is a thioredoxin-like disulfide isomerase but, unlike other characterized proteins in this family, it is trimeric. PmScsC trimerization and its active site cysteine are required for wild-type swarming activity in the presence of copper. Moreover, PmScsC exhibits unprecedented motion as a consequence of a shape-shifting motif linking the catalytic and trimerization domains...
July 19, 2017: Nature Communications
https://www.readbyqxmd.com/read/28718341/diagnostic-yield-and-outcomes-of-computed-tomography-of-the-head-in-critically-ill-nontrauma-patients
#9
Fabian Finkelmeier, Sophie Walter, Kai-Henrik Peiffer, Anjali Cremer, Andrea Tal, Thomas Vogl, Stefan Zeuzem, Stephan Fichtlscherer, Mireen Friedrich-Rust, Jörg Bojunga, Harald Farnik
BACKGROUND: Computed tomography of the head (HCT) is a widely used diagnostic tool, especially for emergency and trauma patients. However, the diagnostic yield and outcomes of HCT for patients on medical intensive care units (MICUs) are largely unknown. METHODS: We retrospectively evaluated all head CTs from patients admitted to a single-center MICU during a 5-year period for CT indications, diagnostic yield, and therapeutic consequences. Uni- and multivariate analyses for the evaluation of risk factors for positive head CT were conducted...
January 1, 2017: Journal of Intensive Care Medicine
https://www.readbyqxmd.com/read/28717563/multiphoton-in-vivo-imaging-with-a-femtosecond-semiconductor-disk-laser
#10
Fabian F Voigt, Florian Emaury, Philipp Bethge, Dominik Waldburger, Sandro M Link, Stefano Carta, Alexander van der Bourg, Fritjof Helmchen, Ursula Keller
We use an ultrafast diode-pumped semiconductor disk laser (SDL) to demonstrate several applications in multiphoton microscopy. The ultrafast SDL is based on an optically pumped Vertical External Cavity Surface Emitting Laser (VECSEL) passively mode-locked with a semiconductor saturable absorber mirror (SESAM) and generates 170-fs pulses at a center wavelength of 1027 nm with a repetition rate of 1.63 GHz. We demonstrate the suitability of this laser for structural and functional multiphoton in vivo imaging in both Drosophila larvae and mice for a variety of fluorophores (including mKate2, tdTomato, Texas Red, OGB-1, and R-CaMP1...
July 1, 2017: Biomedical Optics Express
https://www.readbyqxmd.com/read/28717050/which-azithromycin-regimen-should-be-used-for-treating-mycoplasma-genitalium-a-meta-analysis
#11
REVIEW
Patrick Horner, Suzanne M Ingle, Frederick Garrett, Karla Blee, Fabian Kong, Peter Muir, Harald Moi
BACKGROUND: There is increasing evidence that azithromycin 1 g is driving the emergence of macrolide resistance in Mycoplasma genitalium worldwide. We undertook a meta-analysis of M. genitalium treatment studies using azithromycin 1 g single dose and azithromycin 500 mg on day 1 then 250 mg daily for 4 days (5-day regimen) to determine rates of treatment failure and resistance in both regimens. METHODS: The online databases PubMed and Medline were searched using terms "Mycoplasma genitalium", "macrolide" or "azithromycin" and "resistance" up to April 2016...
July 17, 2017: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/28716931/combining-experimental-and-simulation-data-of-molecular-processes-via-augmented-markov-models
#12
Simon Olsson, Hao Wu, Fabian Paul, Cecilia Clementi, Frank Noé
Accurate mechanistic description of structural changes in biomolecules is an increasingly important topic in structural and chemical biology. Markov models have emerged as a powerful way to approximate the molecular kinetics of large biomolecules while keeping full structural resolution in a divide-and-conquer fashion. However, the accuracy of these models is limited by that of the force fields used to generate the underlying molecular dynamics (MD) simulation data. Whereas the quality of classical MD force fields has improved significantly in recent years, remaining errors in the Boltzmann weights are still on the order of a few [Formula: see text], which may lead to significant discrepancies when comparing to experimentally measured rates or state populations...
July 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28715695/new-liver-cancer-biomarkers-pi3k-akt-mtor-pathway-members-and-eukaryotic-translation-initiation-factors
#13
Nicole Golob-Schwarzl, Stefanie Krassnig, Anna M Toeglhofer, Young Nyun Park, Margit Gogg-Kamerer, Klemens Vierlinger, Fabian Schröder, Hyungjn Rhee, Rudolf Schicho, Peter Fickert, Johannes Haybaeck
Hepatocellular carcinoma (HCC) is the third leading cause of cancer-related deaths worldwide. The initiation of protein translation is an important rate-limiting step in eukaryotes and is crucial in many viral infections. Eukaryotic translation initiation factors (eIFs) are involved in the initiation step of protein translation and are linked to the phosphatidylinositol-3-kinases PI3K/AKT/mTOR pathway. Therefore we aimed to investigate a potential role of eIFs in HCC. We herein report on the immunohistochemical expression of the various eIF subunits in 235 cases of virus-related human HCC...
July 14, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28715227/balancing-passive-and-active-targeting-to-different-tumor-compartments-using-riboflavin-functionalized-polymeric-nanocarriers
#14
Yoanna Tsvetkova, Nataliia Beztsinna, Maike Baues, Dionne Klein, Anne Rix, Susanne Katherina Golombek, Wa'el Al Rawashdeh, Felix Gremse, Matthias Barz, Kaloian Koynov, Srinivas Banala, Wiltrud Lederle, Twan Lammers, Fabian Kiessling
Riboflavin Transporters (RFTs) and the Riboflavin Carrier Protein (RCP) are highly upregulated in many tumor cells, tumor stem cells and tumor neovasculature, which makes them attractive targets for nanomedicines. Addressing cells in different tumor compartments requires drug carriers, which are not only able to accumulate via the EPR effect, but also to extravasate, target specific cell populations, and get internalized by cells. Reasoning that antibodies are among the most efficient targeting systems developed by nature, we consider their size (~10-15 nm) to be ideal for balancing passive and active tumor targeting...
July 17, 2017: Nano Letters
https://www.readbyqxmd.com/read/28714907/genetic-contribution-to-alcohol-dependence-investigation-of-a-heterogeneous-german-sample-of-individuals-with-alcohol-dependence-chronic-alcoholic-pancreatitis-and-alcohol-related-cirrhosis
#15
Jens Treutlein, Josef Frank, Fabian Streit, Céline S Reinbold, Dilafruz Juraeva, Franziska Degenhardt, Liz Rietschel, Stephanie H Witt, Andreas J Forstner, Monika Ridinger, Jana Strohmaier, Norbert Wodarz, Helene Dukal, Jerome C Foo, Per Hoffmann, Stefan Herms, Stefanie Heilmann-Heimbach, Michael Soyka, Wolfgang Maier, Wolfgang Gaebel, Norbert Dahmen, Norbert Scherbaum, Bertram Müller-Myhsok, Susanne Lucae, Marcus Ising, Felix Stickel, Thomas Berg, Ulla Roggenbuck, Karl-Heinz Jöckel, Henrike Scholz, Ulrich S Zimmermann, Stephan Buch, Wolfgang H Sommer, Rainer Spanagel, Benedikt Brors, Sven Cichon, Karl Mann, Falk Kiefer, Jochen Hampe, Jonas Rosendahl, Markus M Nöthen, Marcella Rietschel
The present study investigated the genetic contribution to alcohol dependence (AD) using genome-wide association data from three German samples. These comprised patients with: (i) AD; (ii) chronic alcoholic pancreatitis (ACP); and (iii) alcohol-related liver cirrhosis (ALC). Single marker, gene-based, and pathway analyses were conducted. A significant association was detected for the ADH1B locus in a gene-based approach (puncorrected = 1.2 × 10(-6); pcorrected = 0.020). This was driven by the AD subsample...
July 17, 2017: Genes
https://www.readbyqxmd.com/read/28714559/how-we-make-dna-origami
#16
Klaus F Wagenbauer, Floris A S Engelhardt, Evi K Stahl, Vera K Hechtl, Pierre Stömmer, Fabian Seebacher, Letizia Meregalli, Philip Ketterer, Thomas Gerling, Hendrik Dietz
DNA ORIGAMI has attracted substantial attention since its invention ten years ago due to the seemingly infinite possibilities that it affords for creating customized nanoscale objects. While the basic concept of DNA origami is easy to understand, using custom DNA origami in practical applications requires detailed know-how for designing and producing the particles with sufficient quality, and preparing them at appropriate concentrations with the necessary degree of purity in custom environments. Such know-how is not readily available for newcomers to the field, thus slowing down the rate at which new applications outside the field of DNA nanotechnology may emerge...
July 17, 2017: Chembiochem: a European Journal of Chemical Biology
https://www.readbyqxmd.com/read/28714313/artificial-metalloenzymes-reaction-scope-and-optimization-strategies
#17
Fabian Schwizer, Yasunori Okamoto, Tillmann Heinisch, Yifan Gu, Michela M Pellizzoni, Vincent Lebrun, Raphael Reuter, Valentin Köhler, Jared C Lewis, Thomas R Ward
The incorporation of a synthetic, catalytically competent metallocofactor into a protein scaffold to generate an artificial metalloenzyme (ArM) has been explored since the late 1970's. Progress in the ensuing years was limited by the tools available for both organometallic synthesis and protein engineering. Advances in both of these areas, combined with increased appreciation of the potential benefits of combining attractive features of both homogeneous catalysis and enzymatic catalysis, led to a resurgence of interest in ArMs starting in the early 2000's...
July 17, 2017: Chemical Reviews
https://www.readbyqxmd.com/read/28712722/cell-polarity-regulates-biased-myosin-activity-and-dynamics-during-asymmetric-cell-division-via-drosophila-rho-kinase-and-protein-kinase-n
#18
Anna Tsankova, Tri Thanh Pham, David Salvador Garcia, Fabian Otte, Clemens Cabernard
Cell and tissue morphogenesis depends on the correct regulation of non-muscle Myosin II, but how this motor protein is spatiotemporally controlled is incompletely understood. Here, we show that in asymmetrically dividing Drosophila neural stem cells, cell intrinsic polarity cues provide spatial and temporal information to regulate biased Myosin activity. Using live cell imaging and a genetically encoded Myosin activity sensor, we found that Drosophila Rho kinase (Rok) enriches for activated Myosin on the neuroblast cortex prior to nuclear envelope breakdown (NEB)...
July 7, 2017: Developmental Cell
https://www.readbyqxmd.com/read/28712426/negative-affect-is-unrelated-to-fluctuations-in-hormone-levels-across-the-menstrual-cycle-evidence-from-a-multisite-observational-study-across-two-successive-cycles
#19
Michael P Hengartner, Tillmann H C Kruger, Kirsten Geraedts, Enrico Tronci, Toni Mancini, Fabian Ille, Marcel Egli, Susanna Röblitz, Rainald Ehrig, Lanja Saleh, Katharina Spanaus, Cordula Schippert, Yuanyuan Zhang, Brigitte Leeners
BACKGROUND: Female sex hormones may play a crucial role in the occurrence of cycle-related mood disorders. However, the literature is inconsistent and methodologically stringent observational studies on the relationship between sex hormones and negative affect are lacking. METHODS: In this longitudinal multisite study from Hannover, Germany, and Zurich, Switzerland, we examined oestrogen, progesterone, luteinizing hormone (LH), follicle-stimulating hormone (FSH), and testosterone serum levels in association with negative affect as measured with the Positive and Negative Affect Schedule (PANAS)...
August 2017: Journal of Psychosomatic Research
https://www.readbyqxmd.com/read/28710839/enhanced-carbon-dioxide-electroreduction-to-carbon-monoxide-over-defect-rich-plasma-activated-silver-catalysts
#20
Hemma Mistry, Yong-Wook Choi, Alexander Bagger, Fabian Scholten, Cecile Bonifacio, Ilya Sinev, Nuria J Divins, Ioannis Zegkinoglou, Hyo Sang Jeon, Kim Kisslinger, Eric A Stach, Judith C Yang, Jan Rossmeisl, Beatriz Roldán Cuenya
Efficient, stable catalysts with high selectivity for a single product are essential to making the electroreduction of CO2 a viable route to the synthesis of industrial feedstocks and fuels. We reveal how a plasma oxidation pre-treatment can lead to an enhanced content of low-coordinated active sites which dramatically lower the overpotential and increase the activity of CO2 electroreduction to CO. At -0.6 V vs. RHE, more than 90% Faradaic efficiency towards CO could be achieved on a pre-oxidized silver foil...
July 14, 2017: Angewandte Chemie
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