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https://www.readbyqxmd.com/read/28231565/correlation-of-high-resolution-manometric-findings-with-symptoms-of-dysphagia-and-endoscopic-features-in-adults-with-eosinophilic-esophagitis
#1
Ulrike von Arnim, Arne Kandulski, Jochen Weigt, Peter Malfertheiner
BACKGROUND: Eosinophilic esophagitis (EoE) presents with dysphagia, but data about motility patterns using high-resolution manometry (HRM) are rare. We aimed at evaluating esophageal motility patterns in EoE and their correlation to endoscopic and dysphagia scores. METHODS: Twenty-six EoE patients and 23 controls were included after 4 weeks of treatment with proton pump inhibitors. Dysphagia and endoscopic scores were evaluated before performing HRM. EoE patients were classified to have fibrostenotic (FS) or inflammatory (IF) type...
February 23, 2017: Digestive Diseases
https://www.readbyqxmd.com/read/28230646/effect-of-calcineurin-inhibitor-free-everolimus-based-immunosuppressive-regimen-on-albuminuria-and-glomerular-filtration-rate-after-heart-transplantation
#2
Lærke M Nelson, Arne K Andreassen, Bert Andersson, Einar Gude, Hans Eiskjær, Göran Rådegran, Göran Dellgren, Lars Gullestad, Finn Gustafsson
BACKGROUND: Albuminuria in maintenance heart transplantation (HTx) is associated with poor renal response when switching to a calcineurin inhibitor (CNI)-lowered or free immunosuppressive regimen using everolimus (EVR), but the significance of albuminuria associated with EVR treatment after early CNI withdrawal in de novo HTx is unknown. METHODS: We tested if glomerular filtration rate (mGFR, measured by CrEDTA clearance) was associated with urine albumin/creatinine ratio (UACR) post-HTx in a subgroup of patients included in the SCHEDULE trial, where de novo HTx patients (n=115) were randomized to EVR with complete CNI elimination 7-11 weeks post-HTx or standard CNI immunosuppression...
February 23, 2017: Transplantation
https://www.readbyqxmd.com/read/28225236/mikrobl%C3%A3-dninger-i-hjernen
#3
Anniken Haslund, Kjell Arne Kvistad, Karl-Friedrich Amthor, Cecilie Kaufmann
No abstract text is available yet for this article.
February 2017: Tidsskrift for Den Norske Lægeforening: Tidsskrift for Praktisk Medicin, Ny Række
https://www.readbyqxmd.com/read/28224921/lemna-minor-plants-chronically-exposed-to-ionising-radiation-rna-seq-analysis-indicates-a-dose-rate-dependent-shift-from-acclimation-to-survival-strategies
#4
Arne Van Hoeck, Nele Horemans, Robin Nauts, May Van Hees, Hildegarde Vandenhove, Ronny Blust
Ecotoxicological research provides knowledge on ionising radiation-induced responses in different plant species. However, the sparse data currently available are mainly extracted from acute exposure treatments. To provide a better understanding of environmental exposure scenarios, the response to stress in plants must be followed in more natural relevant chronic conditions. We previously showed morphological and biochemical responses in Lemna minor plants continuously exposed for 7days in a dose-rate dependent manner...
April 2017: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/28224374/mri-findings-of-knee-abnormalities-in-adolescent-and-adult-volleyball-players
#5
Heide Boeth, Aoife MacMahon, Felix Eckstein, Gerd Diederichs, Arne Schlausch, Wolfgang Wirth, Georg N Duda
BACKGROUND: To longitudinally and cross-sectionally evaluate knee abnormalities by sex and age in adolescent and adult volleyball athletes over 2 years using magnetic resonance imaging (MRI). METHODS: Thirty-six high-level volleyball athletes (18 adolescents: 56% female, mean age 16.0 ± 0.8 years; and 18 adults: 50% female, mean age 46.8 ± 5.1 years) were imaged by MRI at BL and at 2-year follow-up (FU). Prevalence and severity of cartilage lesions, subarticular bone marrow lesions (BMLs), subarticular cysts, osteophytes, and ligament and meniscus integrity were evaluated by sex and by age cohort (adolescents and adults) using the whole-organ MRI score (WORMS)...
December 2017: Journal of Experimental Orthopaedics
https://www.readbyqxmd.com/read/28223502/cryo-em-structure-of-the-replisome-reveals-multiple-interactions-coordinating-dna-synthesis
#6
Arkadiusz W Kulczyk, Arne Moeller, Peter Meyer, Piotr Sliz, Charles C Richardson
We present a structure of the ∼650-kDa functional replisome of bacteriophage T7 assembled on DNA resembling a replication fork. A structure of the complex consisting of six domains of DNA helicase, five domains of RNA primase, two DNA polymerases, and two thioredoxin (processivity factor) molecules was determined by single-particle cryo-electron microscopy. The two molecules of DNA polymerase adopt a different spatial arrangement at the replication fork, reflecting their roles in leading- and lagging-strand synthesis...
February 21, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28223491/oogenesis-and-reproductive-investment-of-atlantic-herring-are-functions-of-not-only-present-but-long-ago-environmental-influences-as-well
#7
Thassya C Dos Santos Schmidt, Aril Slotte, James Kennedy, Svein Sundby, Arne Johannessen, Gudmundur J Óskarsson, Yutaka Kurita, Nils C Stenseth, Olav Sigurd Kjesbu
Following general life history theory, immediate reproductive investment (egg mass × fecundity/body mass) in oviparous teleosts is a consequence of both present and past environmental influences. This clarification questions the frequent use of season-independent (general) fecundity formulas in marine fish recruitment studies based on body metrics only. Here we test the underlying assumption of no lag effect on gametogenesis in the planktivorous, determinate-fecundity Atlantic herring (Clupea harengus) displaying large plasticity in egg mass and fecundity, examining Norwegian summer-autumn spawning herring (NASH), North Sea autumn-spawning herring (NSAH), and Norwegian spring-spawning herring (NSSH)...
February 21, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28223480/in-vivo-imaging-reveals-that-pregabalin-inhibits-cortical-spreading-depression-and-propagation-to-subcortical-brain-structures
#8
Stuart M Cain, Barry Bohnet, Jeffrey LeDue, Andrew C Yung, Esperanza Garcia, John R Tyson, Sascha R A Alles, Huili Han, Arn M J M van den Maagdenberg, Piotr Kozlowski, Brian A MacVicar, Terrance P Snutch
Migraine is characterized by severe headaches that can be preceded by an aura likely caused by cortical spreading depression (SD). The antiepileptic pregabalin (Lyrica) shows clinical promise for migraine therapy, although its efficacy and mechanism of action are unclear. As detected by diffusion-weighted MRI (DW-MRI) in wild-type (WT) mice, the acute systemic administration of pregabalin increased the threshold for SD initiation in vivo. In familial hemiplegic migraine type 1 mutant mice expressing human mutations (R192Q and S218L) in the CaV2...
February 21, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28222905/implementation-of-the-2013-amended-patients%C3%AC-rights-act-in-norway-clinical-priority-guidelines-and-access-to-specialised-health-care
#9
Kjell Arne Johansson, Elizabeth Nygaard, Berit Herlofsen, Frode Lindemark
In 2013, the Norwegian Patient Rights' Act was amended in order to simplify the priority setting process for specialized elective health care and to improve access to care. As a result of the amendment, priority for treatment is now determined by only two criteria: 1) clinical effectiveness; and 2) cost-effectiveness of the intervention. There are 33 clinical priority-setting guidelines organised by medical specialty, which help hospitals evaluate whether individual patients have a right to access care. Following the amendment of the Patient Rights' Act, these guidelines had to be revised in order to assure coherence with the new legislation...
February 17, 2017: Health Policy
https://www.readbyqxmd.com/read/28221379/bridgehead-isomer-effects-in-bis-phosphido-bridged-diiron-hexacarbonyl-proton-reduction-electrocatalysts
#10
Ahibur Rahaman, Carolina Gimbert-Suriñach, Arne Ficks, Graham E Ball, Mohan Bhadbhade, Matti Haukka, Lee Higham, Ebbe Nordlander, Stephen B Colbran
The influence of the substitution, orientation and structure of the phosphido bridges in [Fe2(CO)6(μ-PR2)2] electrocatalysts of proton reduction has been studied. The isomers e,a-[Fe2(CO)6{μ-P(Ar)H}2] (1a(Ar): Ar = Ph, 2'-methoxy-1,1'-binaphthyl (bn')), e,e-[Fe2(CO)6{μ-P(Ar)H}2] (1b(Ar): Ar = Ph, bn') were isolated from reactions of iron pentacarbonyl and the corresponding primary phosphine, syntheses that also afforded the phosphinidene-capped tri-iron clusters, [Fe3(CO)9(μ-CO)(μ3-Pbn')] (2) and [Fe3(CO)9(μ3-PAr)2] (3(Ar), Ar = Ph, bn')...
February 21, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28220391/a-letter-of-thanks-to-the-founding-editors-of-sleep-and-breathing
#11
EDITORIAL
Arn H Eliasson, Thomas Penzel, Fernanda Almeida
No abstract text is available yet for this article.
February 21, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28217039/desiccant-dust-and-the-use-of-co2-gas-as-a-mobility-stimulant-for-bed-bugs-a-potential-control-solution
#12
Anders Aak, Espen Roligheten, Bjørn Arne Rukke, Tone Birkemoe
The common bed bug (Cimex lectularius, Hemiptera; Cimicidae) infests homes and service industries, and the number of infestations has greatly increased over the past 20 years. At present, no cost-effective control methods are available, and eradication programs are expensive and laborious. We investigated the control potential of desiccant dust in combination with CO2 as a bed bug activity stimulant. An initial experiment with two desiccant dusts was followed by arena studies with varying doses, available hiding places and the presence or absence of host signals...
2017: Journal of Pest Science
https://www.readbyqxmd.com/read/28213364/safety-and-antitumor-activity-of-apalutamide-arn-509-in-metastatic-castration-resistant-prostate-cancer-with-and-without-prior-abiraterone-acetate-and-prednisone
#13
Dana E Rathkopf, Emmanuel S Antonarakis, Neal D Shore, Ronald F Tutrone, Joshi J Alumkal, Charles J Ryan, Mansoor Saleh, Ralph J Hauke, Rajesh Bandekar, Edna Chow Maneval, Carla J de Boer, Margaret K Yu, Howard I Scher
PURPOSE: To evaluate the efficacy of apalutamide before or after treatment with abiraterone acetate and prednisone (AAP) in patients with progressive metastatic castration-resistant prostate cancer (mCRPC). EXPERIMENTAL DESIGN: Two cohorts were studied: AAP-naïve and post-AAP patients who had received ≥6 months of AAP. Patients had progressive mCRPC per rising prostate-specific antigen (PSA) and/or imaging, without prior chemotherapy exposure. All received apalutamide 240 mg/day...
February 17, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28209766/glycosylated-chromogranin-a-in-heart-failure-implications-for-processing-and-cardiomyocyte-calcium-homeostasis
#14
Anett Hellebø Ottesen, Cathrine R Carlson, William E Louch, Mai Britt Dahl, Ragnhild A Sandbu, Rune Forstrøm Johansen, Hilde Jarstadmarken, Magnar Bjørås, Arne Didrik Høiseth, Jon Brynildsen, Ivar Sjaastad, Mats Stridsberg, Torbjørn Omland, Geir Christensen, Helge Røsjø
BACKGROUND: Chromogranin A (CgA) levels have previously been found to predict mortality in heart failure (HF), but currently no information is available regarding CgA processing in HF and whether the CgA fragment catestatin (CST) may directly influence cardiomyocyte function. METHODS AND RESULTS: CgA processing was characterized in postinfarction HF mice and in patients with acute HF, and the functional role of CST was explored in experimental models. Myocardial biopsies from HF, but not sham-operated mice, demonstrated high molecular weight CgA bands...
February 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28207629/short-and-long-term-outcome-after-lung-transplantation-from-circulatory-dead-donors-a-single-center-experience
#15
David Ruttens, An Martens, Sofie Ordies, Stijn E Verleden, Arne P Neyrinck, Robin Vos, Marc Boada Collado, Bart M Vanaudenaerde, Geert M Verleden, Dirk Van Raemdonck
BACKGROUND: Donation after cardiac death (DCD) to overcome the donor organ shortage is well accepted in the clinical setting, although long-term outcome after DCD lung transplantation (LTx) remains largely unknown. METHODS: In this retrospective study, DCD LTx recipients (n=59) were compared with a cohort of donation after brain-death (DBD) LTx recipients (n=331) transplanted between February 2007 and September 2013; follow-up was until January 1st 2016. Short-term (duration of mechanical ventilation, ICU stay, hospital stay and highest PGD score within 72 hours) and long-term (CLAD-free and overall survival) follow-up were compared over a median follow-up of 50...
February 15, 2017: Transplantation
https://www.readbyqxmd.com/read/28205159/deficits-in-knowledge-attitude-and-practice-towards-blood-culture-sampling-results-of-a-nationwide-mixed-methods-study-among-inpatient-care-physicians-in-germany
#16
Heike Raupach-Rosin, Arne Duddeck, Maike Gehrlich, Charlotte Helmke, Johannes Huebner, Mathias W Pletz, Rafael Mikolajczyk, André Karch
PURPOSE: Blood culture (BC) sampling rates in Germany are considerably lower than recommended. Aim of our study was to assess knowledge, attitudes, and practice of physicians in Germany regarding BC diagnostics. METHODS: We conducted a cross-sectional mixed-methods study among physicians working in inpatient care in Germany. Based on the results of qualitative focus groups, a questionnaire-based quantitative study was conducted in 2015-2016. In total, 706 medical doctors and final-year medical students from 11 out of 16 federal states in Germany participated...
February 15, 2017: Infection
https://www.readbyqxmd.com/read/28205065/spontaneous-recovery-of-upper-extremity-motor-impairment-after-ischemic-stroke-implications-for-stem-cell-based-therapeutic-approaches
#17
Hossein Delavaran, Joseph Aked, Håkan Sjunnesson, Olle Lindvall, Bo Norrving, Zaal Kokaia, Arne Lindgren
Preclinical studies suggest that stem cell therapy (SCT) may improve sensorimotor recovery after stroke. Upper extremity motor impairment (UEMI) is common after stroke, often entailing substantial disability. To evaluate the feasibility of post-stroke UEMI as a target for SCT, we examined a selected sample of stroke patients potentially suitable for SCT, aiming to assess the frequency and recovery of UEMI, as well as its relation to activity limitations and participation restrictions. Patients aged 20-75 years with first-ever ischemic stroke, and National Institutes of Health Stroke Scale (NIHSS) scores 1-18, underwent brain diffusion-weighted MRI within 4 days of stroke onset (n = 108)...
February 15, 2017: Translational Stroke Research
https://www.readbyqxmd.com/read/28198861/dependence-of-a-microresonator-kerr-frequency-comb-on-the-pump-linewidth
#18
Peicheng Liao, Changjing Bao, Arne Kordts, Maxim Karpov, Martin H P Pfeiffer, Lin Zhang, Amirhossein Mohajerin-Ariaei, Yinwen Cao, Ahmed Almaiman, Morteza Ziyadi, Steven R Wilkinson, Moshe Tur, Tobias J Kippenberg, Alan E Willner
We experimentally investigate the dependence of Kerr comb generation, comb linewidth, and coherent system performance on the pump linewidth in a microresonator. We find that the generation of the primary comb can have a larger tolerance to the pump linewidth compared with that of the low-phase-noise comb. In addition, the linewidths of the generated combs are almost linearly dependent on the pump linewidth in the primary and low-phase-noise states. Furthermore, the optical signal-to-noise ratio penalty between the pump and generated Kerr combs in a coherent communication system is less than 0...
February 15, 2017: Optics Letters
https://www.readbyqxmd.com/read/28197303/optimization-of-3-pyrimidin-4-yl-oxazolidin-2-ones-as-allosteric-and-mutant-specific-inhibitors-of-idh1
#19
Julian R Levell, Thomas Caferro, Gregg Chenail, Ina Dix, Julia Dooley, Brant Firestone, Pascal D Fortin, John Giraldes, Ty Gould, Joseph D Growney, Michael D Jones, Raviraj Kulathila, Fallon Lin, Gang Liu, Arne Mueller, Simon van der Plas, Kelly Slocum, Troy Smith, Remi Terranova, B Barry Touré, Viraj Tyagi, Trixie Wagner, Xiaoling Xie, Ming Xu, Fan S Yang, Liping X Zhou, Raymond Pagliarini, Young Shin Cho
High throughput screening and subsequent hit validation identified 4-isopropyl-3-(2-((1-phenylethyl)amino)pyrimidin-4-yl)oxazolidin-2-one as a potent inhibitor of IDH1(R132H). Synthesis of the four separate stereoisomers identified the (S,S)-diastereomer (IDH125, 1f) as the most potent isomer. This also showed reasonable cellular activity and excellent selectivity vs IDH1(wt). Initial structure-activity relationship exploration identified the key tolerances and potential for optimization. X-ray crystallography identified a functionally relevant allosteric binding site amenable to inhibitors, which can penetrate the blood-brain barrier, and aided rational optimization...
February 9, 2017: ACS Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28197090/automated-ischemic-lesion-segmentation-in-mri-mouse-brain-data-after-transient-middle-cerebral-artery-occlusion
#20
Inge A Mulder, Artem Khmelinskii, Oleh Dzyubachyk, Sebastiaan de Jong, Nathalie Rieff, Marieke J H Wermer, Mathias Hoehn, Boudewijn P F Lelieveldt, Arn M J M van den Maagdenberg
Magnetic resonance imaging (MRI) has become increasingly important in ischemic stroke experiments in mice, especially because it enables longitudinal studies. Still, quantitative analysis of MRI data remains challenging mainly because segmentation of mouse brain lesions in MRI data heavily relies on time-consuming manual tracing and thresholding techniques. Therefore, in the present study, a fully automated approach was developed to analyze longitudinal MRI data for quantification of ischemic lesion volume progression in the mouse brain...
2017: Frontiers in Neuroinformatics
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