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https://www.readbyqxmd.com/read/28088538/perceived-parental-alcohol-problems-and-drinking-patterns-in-youth-a-cross-sectional-study-of-69-030-secondary-education-students-in-denmark
#1
Veronica S C Pisinger, Charlotte A Holst, Pernille Bendtsen, Ulrik Becker, Janne S Tolstrup
The aim of the study was to examine whether young people with parental alcohol problems have different drinking patterns than those without parental alcohol problems. Further, we examined whether the association between parental alcohol problems and young people's drinking patterns differed depending on the gender of the child and the parent, and whether more severe parental alcohol problems and cohabitation with the parent with alcohol problems was associated with earlier and heavier drinking patterns. Data came from the Danish National Youth Study 2014, a web-based national survey...
January 11, 2017: Preventive Medicine
https://www.readbyqxmd.com/read/28087806/splenectomy-does-not-improve-long-term-outcome-after-stroke
#2
Dannielle Zierath, Angela Shen, Astiana Stults, Theresa Olmstead, Kyra J Becker
BACKGROUND AND PURPOSE: Immune responses to brain antigens after stroke contribute to poor outcome. We hypothesized that splenectomy would lessen the development of such responses and improve outcome. METHODS: Male Lewis rats (275-350 g) underwent 2-hour middle cerebral artery occlusion immediately after splenectomy or sham splenectomy. Animals were survived to 4 weeks (672 hrs), and immune responses to myelin basic protein determined at euthanasia. Infarct volume was determined in a subset of animals euthanized at 72 hours...
January 13, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28087776/seed-plant-specific-gene-lineages-involved-in-carpel-development
#3
Kai C Pfannebecker, Matthias Lange, Oliver Rupp, Annette Becker
Evolutionary innovations are important drivers of speciation and some are the defining characters of entire phyla. One such major innovation is the carpel, the unifying character and most complex plant organ, composed of many clearly distinct tissue types to ensure reproductive success. The origin of the carpel is unknown, but many components of the gene regulatory network (GRN) governing carpel development and their genetic interactions are known from the core eudicot Arabidopsis thaliana To unravel the evolution of the carpel GRN and to discriminate between "early" and "late" steps in carpel evolution we calculated thorough phylogeny reconstructions based on sequenced genomes...
January 12, 2017: Molecular Biology and Evolution
https://www.readbyqxmd.com/read/28086834/detection-of-circulating-tumor-cells-with-ck20-rt-pcr-is-an-independent-negative-prognostic-marker-in-colon-cancer-patients-a-prospective-study
#4
Sebastian Hinz, Alexander Hendricks, Amke Wittig, Clemens Schafmayer, Jürgen Tepel, Holger Kalthoff, Thomas Becker, Christian Röder
BACKGROUND: Detection of circulating (CTC) or disseminated tumor cells (DTC) has been associated with negative prognosis and outcome in patients with colorectal cancer, though testing for these cells is not yet part of clinical routine. There are several different methodological approaches to detect tumor cells but standardized detection assays are not implemented so far. METHODS: In this prospective monocentric study 299 patients with colon cancer were included...
January 13, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28079730/biomechanical-comparison-of-cadaveric-and-commercially-available-synthetic-osteoporotic-bone-analogues-in-a-locked-plate-fracture-model-under-torsional-loading
#5
Edward H Becker, Hyunchul Kim, Michael Shorofsky, Adam H Hsieh, Jeffrey D Watson, Robert V O'Toole
OBJECTIVES: Biomechanical studies of osteoporotic bone have used synthetic models rather than cadaveric samples because of decreased variability, increased availability, and overall ease of use of synthetic models. We compared the torsional mechanical properties of cadaveric osteoporotic bone with those of currently available synthetic osteoporotic bone analogues. METHODS: We tested 12 osteoporotic cadaveric humeri and 6 specimens each of 6 types of synthetic analogues...
January 5, 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28079318/duchenne-muscular-dystrophy-and-becker-muscular-dystrophy-confirmed-by-multiplex-ligation-dependent-probe-amplification-genotype-phenotype-correlation-in-a-large-cohort
#6
Seena Vengalil, Veeramani Preethish-Kumar, Kiran Polavarapu, Manjunath Mahadevappa, Deepha Sekar, Meera Purushottam, Priya Treesa Thomas, Saraswathi Nashi, Atchayaram Nalini
BACKGROUND AND PURPOSE: Studies of cases of Duchenne muscular dystrophy (DMD) and Becker muscular dystrophy (BMD) confirmed by multiplex ligation-dependent probe amplification (MLPA) have determined the clinical characteristics, genotype, and relations between the reading frame and phenotype for different countries. This is the first such study from India. METHODS: A retrospective genotype-phenotype analysis of 317 MLPA-confirmed patients with DMD or BMD who visited the neuromuscular clinic of a quaternary referral center in southern India...
January 2017: Journal of Clinical Neurology
https://www.readbyqxmd.com/read/28076497/one-year-aging-effects-on-microtensile-bond-strengths-of-composite-and-repairs-with-different-surface-treatments
#7
Marcela Oliveira de Souza, Vicente Castelo Branco Leitune, Stéfani Becker Rodrigues, Susana Maria Werner Samuel, Fabrício Mezzomo Collares
The present study aimed to evaluate effects of different surface treatments and aging of composite cylinders on bond strength of composite resin repair. Thirty-two composite cylinders were produced and divided into four groups according to type of surface treatment and storage time of composite cylinder and repair. Cylinder surface of control group (Gcontrol) received no treatment before composite repair. Other groups were sandblasted with aluminum oxide (GAl2O3), followed by silane (GAl2O3sil) or adhesive (GAl2O3ad)...
January 5, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28076426/evidence-of-a-vocalic-proto-system-in-the-baboon-papio-papio-suggests-pre-hominin-speech-precursors
#8
Louis-Jean Boë, Frédéric Berthommier, Thierry Legou, Guillaume Captier, Caralyn Kemp, Thomas R Sawallis, Yannick Becker, Arnaud Rey, Joël Fagot
Language is a distinguishing characteristic of our species, and the course of its evolution is one of the hardest problems in science. It has long been generally considered that human speech requires a low larynx, and that the high larynx of nonhuman primates should preclude their producing the vowel systems universally found in human language. Examining the vocalizations through acoustic analyses, tongue anatomy, and modeling of acoustic potential, we found that baboons (Papio papio) produce sounds sharing the F1/F2 formant structure of the human [ɨ æ ɑ ɔ u] vowels, and that similarly with humans those vocalic qualities are organized as a system on two acoustic-anatomic axes...
2017: PloS One
https://www.readbyqxmd.com/read/28074834/corrigendum-differential-transcriptional-responses-to-ebola-and-marburg-virus-infection-in-bat-and-human-cells
#9
Martin Hölzer, Verena Krähling, Fabian Amman, Emanuel Barth, Stephan H Bernhart, Victor A O Carmelo, Maximilian Collatz, Gero Doose, Florian Eggenhofer, Jan Ewald, Jörg Fallmann, Lasse M Feldhahn, Markus Fricke, Juliane Gebauer, Andreas J Gruber, Franziska Hufsky, Henrike Indrischek, Sabina Kanton, Jörg Linde, Nelly Mostajo, Roman Ochsenreiter, Konstantin Riege, Lorena Rivarola-Duarte, Abdullah H Sahyoun, Sita J Saunders, Stefan E Seemann, Andrea Tanzer, Bertram Vogel, Stefanie Wehner, Michael T Wolfinger, Rolf Backofen, Jan Gorodkin, Ivo Grosse, Ivo Hofacker, Steve Hoffmann, Christoph Kaleta, Peter F Stadler, Stephan Becker, Manja Marz
No abstract text is available yet for this article.
January 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28074285/t-cell-receptor-repertoire-usage-in-cancer-as-a-surrogate-marker-for-immune-responses
#10
REVIEW
David Schrama, Cathrin Ritter, Jürgen C Becker
Characterizing the interaction of cancer cells with the host adaptive immune system is critical for understanding tumor immunology and the modus operandi of immunotherapeutic interventions to treat cancer. As the key cellular effectors of adaptive immunity, T cells are endowed with specialized receptors (the T cell receptor; TCR), to recognize and to eliminate cancer cells. The diversity of the TCR repertoire results from specialized genetic diversification mechanisms that generate an incredible variability allowing recognizing extensive collections of antigens...
January 10, 2017: Seminars in Immunopathology
https://www.readbyqxmd.com/read/28073906/mri-follow-up-is-unnecessary-in-patients-with-macroprolactinomas-and-long-term-normal-prolactin-levels-on-dopamine-agonist-treatment
#11
Juliette Eroukhmanoff, Isabelle Tejedor, Iulia Potorac, Thomas Cuny, Jean Francois Bonneville, Henry Dufour, Georges Weryha, Albert Beckers, Philippe Touraine, Thierry Brue, Frédéric Castinetti
OBJECTIVE Both antitumor and antisecretory efficacies of dopamine agonists (DA) make them the first line treatment of macroprolactinomas. However, there is no guideline for MRI follow-up once prolactin is controlled. The aim of our study was to determine whether a regular MRI follow-up was necessary in patients with long-term normal prolactin levels under DA. PATIENTS AND METHODS We conducted a retrospective multicenter study (Marseille, Paris La Pitie Salpetriere and Nancy, France; Liege, Belgium) including patients with macroprolactinomas (largest diameter > 10 mm, baseline prolactin level > 100 ng/mL) treated by dopamine agonists, and regularly followed (pituitary MRI and prolactin levels) during at least 48 months once normal prolactin level was obtained...
January 10, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28073701/effect-of-asthma-therapies-on-the-natural-course-of-asthma
#12
REVIEW
Elissa M Abrams, Stanley J Szefler, Allan B Becker
OBJECTIVE: To provide an evidence-based review on the role of pharmacologic (inhaled corticosteroids, leukotriene receptor antagonists, biologic therapies, aeroallergen immunotherapy) and nonpharmacologic therapies (environmental modifications, microbiome) in secondary and tertiary asthma prevention. DATA SOURCES: A PubMed search for English-language publications regarding asthma and secondary or tertiary prevention was performed. Some articles cited in selected studies were also considered for inclusion in this review...
December 2016: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/28073700/the-yeast-ste2p-g-protein-coupled-receptor-dimerizes-on-the-cell-plasma-membrane
#13
Orkun Cevheroğlu, Gözde Kumaş, Melinda Hauser, Jeffrey M Becker, Çağdaş D Son
Dimerization of G protein-coupled receptors (GPCR) may play an important role in maturation, internalization, signaling and/or pharmacology of these receptors. However, the location where dimerization occurs is still under debate. In our study, variants of Ste2p, a yeast mating pheromone GPCR, were tagged with split EGFP (enhanced green fluorescent protein) fragments inserted between transmembrane domain seven and the C-terminus or appended to the C-terminus. Bimolecular Fluorescence Complementation (BiFC) assay was used to determine where receptor dimerization occurred during protein trafficking by monitoring generation of EGFP fluorescence, which occurred upon GPCR dimerization...
January 7, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28073461/assessing-in-situ-dominance-pattern-of-phytoplankton-classes-by-dominance-analysis-as-a-proxy-for-realized-niches
#14
Susanne Dunker, Karin Nadrowski, Torsten Jakob, Peter Kasprzak, Annette Becker, Uwe Langner, Christfried Kunath, Stan Harpole, Christian Wilhelm
This study looks at two facets of dominant phytoplankton classes during phytoplankton succession. A detailed assessment of this issue is of special interest with regard to realized niches from a theoretical point of view but also for lake management as practical application. A realized niche mirrors the functional adaptability of an organism in a lake-specific constellation of environmental parameters. Therefore, the characterization of realized niches could be a key factor for management of problematic waters...
September 2016: Harmful Algae
https://www.readbyqxmd.com/read/28070973/dissociation-between-amygdala-and-bed-nucleus-of-the-stria-terminalis-during-threat-anticipation-in-female-post-traumatic-stress-disorder-patients
#15
Leonie Brinkmann, Christine Buff, Paula Neumeister, Sara V Tupak, Michael P I Becker, Martin J Herrmann, Thomas Straube
Feelings of uncontrollability and anxiety regarding possibly harmful events are key features of post-traumatic stress disorder (PTSD) symptomatology. Due to a lack of studies, the neural correlates of anticipatory anxiety in PTSD are still poorly understood. During functional magnetic resonance imaging, female PTSD patients with interpersonal violence trauma and healthy controls (HC) anticipated the temporally unpredictable presentation of aversive (human scream) or neutral sounds. Based on separate analysis models, we investigated phasic and sustained brain activations...
January 10, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28070283/spatial-and-temporal-avoidance-of-risk-within-a-large-carnivore-guild
#16
Egil Dröge, Scott Creel, Matthew S Becker, Jassiel M'soka
Within a large carnivore guild, subordinate competitors (African wild dog, Lycaon pictus, and cheetah, Acinonyx jubatus) might reduce the limiting effects of dominant competitors (lion, Panthera leo, and spotted hyena, Crocuta crocuta) by avoiding them in space, in time, or through patterns of prey selection. Understanding how these competitors cope with one other can inform strategies for their conservation. We tested how mechanisms of niche partitioning promote coexistence by quantifying patterns of prey selection and the use of space and time by all members of the large carnivore guild within Liuwa Plain National Park in western Zambia...
January 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28069706/dna-sequence-properties-that-predict-susceptibility-to-epiallelic-switching
#17
Marco Catoni, Jayne Griffiths, Claude Becker, Nicolae Radu Zabet, Carlos Bayon, Mélanie Dapp, Michal Lieberman-Lazarovich, Detlef Weigel, Jerzy Paszkowski
Transgenerationally heritable epialleles are defined by the stable propagation of alternative transcriptional states through mitotic and meiotic cell cycles. Given that the propagation of DNA methylation at CpG sites, mediated in Arabidopsis by MET1, plays a central role in epigenetic inheritance, we examined genomewide DNA methylation in partial and complete loss-of-function met1 mutants. We interpreted the data in relation to transgenerational epiallelic stability, which allowed us to classify chromosomal targets of epigenetic regulation into (i) single copy and methylated exclusively at CpGs, readily forming epialleles, and (ii) transposon-derived, methylated at all cytosines, which may or may not form epialleles...
January 9, 2017: EMBO Journal
https://www.readbyqxmd.com/read/28069687/adaptive-resistance-of-melanoma-cells-to-raf-inhibition-via-reversible-induction-of-a-slowly-dividing-de-differentiated-state
#18
Mohammad Fallahi-Sichani, Verena Becker, Benjamin Izar, Gregory J Baker, Jia-Ren Lin, Sarah A Boswell, Parin Shah, Asaf Rotem, Levi A Garraway, Peter K Sorger
Treatment of BRAF-mutant melanomas with MAP kinase pathway inhibitors is paradigmatic of the promise of precision cancer therapy but also highlights problems with drug resistance that limit patient benefit. We use live-cell imaging, single-cell analysis, and molecular profiling to show that exposure of tumor cells to RAF/MEK inhibitors elicits a heterogeneous response in which some cells die, some arrest, and the remainder adapt to drug. Drug-adapted cells up-regulate markers of the neural crest (e.g., NGFR), a melanocyte precursor, and grow slowly...
January 9, 2017: Molecular Systems Biology
https://www.readbyqxmd.com/read/28069610/an-incoherent-feed-forward-loop-mediates-robustness-and-tunability-in-a-plant-immune-network
#19
Akira Mine, Tatsuya Nobori, Maria C Salazar-Rondon, Thomas M Winkelmüller, Shajahan Anver, Dieter Becker, Kenichi Tsuda
Immune signaling networks must be tunable to alleviate fitness costs associated with immunity and, at the same time, robust against pathogen interferences. How these properties mechanistically emerge in plant immune signaling networks is poorly understood. Here, we discovered a molecular mechanism by which the model plant species Arabidopsis thaliana achieves robust and tunable immunity triggered by the microbe-associated molecular pattern, flg22. Salicylic acid (SA) is a major plant immune signal molecule...
January 9, 2017: EMBO Reports
https://www.readbyqxmd.com/read/28069416/abnormal-lipid-metabolism-in-skeletal-muscle-tissue-of-patients-with-muscular-dystrophy-in-vitro-high-resolution-nmr-spectroscopy-based-observation-in-early-phase-of-the-disease
#20
Niraj Kumar Srivastava, Ramakant Yadav, Somnath Mukherjee, Lily Pal, Neeraj Sinha
PURPOSE: Qualitative (assignment of lipid components) and quantitative (quantification of lipid components) analysis of lipid components were performed in skeletal muscle tissue of patients with muscular dystrophy in early phase of the disease as compared to control/normal subjects. METHODS: Proton nuclear magnetic resonance (NMR) spectroscopy based experiment was performed on the lipid extract of skeletal muscle tissue of patients with muscular dystrophy in early phase of the disease and normal individuals for the analysis of lipid components [triglycerides, phospholipids, total cholesterol and unsaturated fatty acids (arachidonic, linolenic and linoleic acid)]...
January 6, 2017: Magnetic Resonance Imaging
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