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https://www.readbyqxmd.com/read/27911296/screening-for-mild-cognitive-impairment-and-dementia-with-automated-anonymous-online-and-telephone-cognitive-self-tests
#1
Lisa D Van Mierlo, Hans Wouters, Sietske A M Sikkes, Wiesje M Van der Flier, Niels D Prins, Jonne A E Bremer, Teddy Koene, Hein P J Van Hout
BACKGROUND: Many older people worry about cognitive decline. Early cognitive screening in an anonymous and easily accessible manner may reassure older people who are unnecessarily worried about normal cognitive aging while it may also expedite help seeking in case of suspicious cognitive decline. OBJECTIVE: To develop and validate online and telephone-based automated self-tests of cognitive function. METHODS: We examined the feasibility and validity of the self-tests in a prospective study of 117 participants of whom 34 had subjective cognitive decline (SCD), 30 had mild cognitive impairment (MCI), and 53 had dementia...
November 29, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27911290/rare-genetic-variant-in-sorl1-may-increase-penetrance-of-alzheimer-s-disease-in-a-family-with-several-generations-of-apoe-%C3%A9-4-homozygosity
#2
Eva Louwersheimer, Petra E Cohn-Hokke, Yolande A L Pijnenburg, Marjan M Weiss, Erik A Sistermans, Annemieke J Rozemuller, Marc Hulsman, John C van Swieten, Cock M van Duijn, Frederik Barkhof, Teddy Koene, Philip Scheltens, Wiesje M Van der Flier, Henne Holstege
BACKGROUND: The major genetic risk factor for late onset Alzheimer's disease (AD) is the APOE-ɛ4 allele. However, APOE-ɛ4 homozygosity is not fully penetrant, suggesting co-occurrence of additional genetic variants. OBJECTIVE: To identify genetic factors that, next to APOE-ɛ4 homozygosity, contribute to the development of AD. METHODS: We identified a family with nine AD patients spanning four generations, with an inheritance pattern suggestive of autosomal dominant AD, with no variants in PSEN1, PSEN2, or APP...
November 28, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27911256/a-residue-located-at-the-junction-of-the-head-and-stalk-regions-of-measles-virus-fusion-protein-regulates-membrane-fusion-by-controlling-conformational-stability
#3
Yuto Satoh, Saeka Yonemori, Mitsuhiro Hirose, Hiroko Shogaki, Hiroshi Wakimoto, Yoshinori Kitagawa, Bin Gotoh, Tsuyoshi Shirai, Ken-Ichi Takahashi, Masae Itoh
The fusion (F) protein of measles virus (MV) performs refolding from the thermodynamically metastable prefusion form to the highly stable postfusion form via an activated unstable intermediate stage, to induce membrane fusion. Some amino acids involved in the fusion regulation cluster in the heptad repeat B (HR-B) domain of the stalk region, among which substitution of residue 465 by various amino acids revealed that fusion activity correlates well with its side chain length from the Cα (p<0.01) and van der Waals volume (p<0...
December 1, 2016: Journal of General Virology
https://www.readbyqxmd.com/read/27911148/effects-of-chronic-estrogen-administration-in-the-ventromedial-nucleus-of-the-hypothalamus-vmh-on-fat-and-bone-metabolism-in-ovariectomized-rats
#4
Z Zhang, J Liu, A G Veldhuis-Vlug, Y Su, E Foppen, B C J van der Eerden, M Koedam, N Bravenboer, A Kalsbeek, A Boelen, E Fliers, P H Bisschop
Estrogen deficiency after ovariectomy (OVX) results in increased adiposity and bone loss, which can be prevented by systemic 17-β estradiol (E2) replacement. Studies in transgenic mice suggested that in addition to direct actions of estrogen in peripheral tissues, also estrogen signaling in the hypothalamus regulates fat distribution and bone metabolism. We hypothesized that the protective effect of systemic E2 on fat and bone metabolism in the OVX model is partly mediated through the ventromedial nucleus of the hypothalamus (VMH)...
December 2016: Endocrinology
https://www.readbyqxmd.com/read/27911126/anti-pd1-treatment-in-metastatic-uveal-melanoma-in-the-netherlands
#5
M K van der Kooij, A Joosse, F M Speetjens, G A P Hospers, C Bisschop, J W B de Groot, R Koornstra, C U Blank, E Kapiteijn
No abstract text is available yet for this article.
December 2, 2016: Acta Oncologica
https://www.readbyqxmd.com/read/27910601/combined-scanning-probe-microscopy-and-x-ray-scattering-instrument-for-in-situ-catalysis-investigations
#6
Willem G Onderwaater, Peter C van der Tuijn, Rik V Mom, Matthijs A van Spronsen, Sander B Roobol, Amirmehdi Saedi, Jakub Drnec, Helena Isern, Francesco Carla, Thomas Dufrane, Raymond Koehler, Bert Crama, Irene M N Groot, Roberto Felici, Joost W M Frenken
We have developed a new instrument combining a scanning probe microscope (SPM) and an X-ray scattering platform for ambient-pressure catalysis studies. The two instruments are integrated with a flow reactor and an ultra-high vacuum system that can be mounted easily on the diffractometer at a synchrotron end station. This makes it possible to perform SPM and X-ray scattering experiments in the same instrument under identical conditions that are relevant for catalysis.
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910538/a-compact-and-versatile-dynamic-flow-cryostat-for-photon-science
#7
Peter J E M van der Linden, Marco Moretti Sala, Christian Henriquet, Matteo Rossi, Kenya Ohgushi, François Fauth, Laura Simonelli, Carlo Marini, Edmundo Fraga, Claire Murray, Jonathan Potter, Michael Krisch
We have developed a helium gas flow cryostat for use on synchrotron tender to hard X-ray beamlines. Very efficient sample cooling is achieved because the sample is placed directly in the cooling helium flow on a removable sample holder. The cryostat is compact and easy to operate; samples can be changed in less than 5 min at any temperature. The cryostat has a temperature range of 2.5-325 K with temperature stability better than 0.1 K. The very wide optical angle and the ability to operate in any orientation mean that the cryostat can easily be adapted for different X-ray techniques...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910261/borderline-personality-disorder-features-emotion-dysregulation-and-non-suicidal-self-injury-preliminary-findings-in-a-sample-of-community-dwelling-italian-adolescents
#8
Antonella Somma, Carla Sharp, Serena Borroni, Andrea Fossati
In order to assess the relationships among borderline personality disorder features, non-suicidal self-injury (NSSI) and emotion dysregulation, 122 community-dwelling Italian adolescents were administered by the Italian translations of the Borderline Personality Features Scale for Children-11, the Deliberate Self-Harm Inventory and the Difficulties in Emotion Regulation Scale (DERS). Regression models showed that both Deliberate Self-Harm Inventory (DSHI) and DERS scores significantly predicted Borderline Personality Features Scale for Children-11 total score; moreover, the DSHI total score significantly predicted the DERS total score...
December 2, 2016: Personality and Mental Health
https://www.readbyqxmd.com/read/27910162/effects-of-sample-size-and-distributional-assumptions-on-competing-models-of-the-factor-structure-of-the-panss-and-bprs
#9
Stephen J Tueller, Kiersten L Johnson, Kevin J Grimm, Sarah L Desmarais, Brian G Sellers, Richard A Van Dorn
Factor analytic work on the Positive and Negative Syndrome Scale (PANSS) and Brief Psychiatric Rating Scale (BPRS) has yielded varied and conflicting results. The current study explored potential causes of these discrepancies. Prior research has been limited by small sample sizes and an incorrect assumption that the items are normally distributed when in practice responses are highly skewed ordinal variables. Using simulation methodology, we examined the effects of sample size, (in)correctly specifying item distributions, collapsing rarely endorsed response categories, and four factor analytic models...
December 2, 2016: International Journal of Methods in Psychiatric Research
https://www.readbyqxmd.com/read/27909753/six-minute-walk-test-as-a-predictor-for-outcome-in-children-with-dilated-cardiomyopathy-and-chronic-stable-heart-failure
#10
Susanna L den Boer, Daniël H K Flipse, Marijke H van der Meulen, Ad P C M Backx, Gideon J du Marchie Sarvaas, Arend D J Ten Harkel, Gabriëlle G van Iperen, Lukas A J Rammeloo, Ronald B Tanke, Willem A Helbing, Tim Takken, Michiel Dalinghaus
Cardiopulmonary exercise testing is an important tool to predict prognosis in children and adults with heart failure. A much less sophisticated exercise test is the 6 min walk test, which has been shown an independent predictor for morbidity and mortality in adults with heart failure. Therefore, we hypothesized that the 6 min walk test could be predictive for outcome in children with dilated cardiomyopathy. We prospectively included 49 children with dilated cardiomyopathy ≥6 years who performed a 6 min walk test...
December 1, 2016: Pediatric Cardiology
https://www.readbyqxmd.com/read/27909739/quantification-of-anticholinergic-and-sedative-drug-load-with-the-drug-burden-index-a-review-of-outcomes-and-methodological-quality-of-studies
#11
REVIEW
Hans Wouters, Helene van der Meer, Katja Taxis
PURPOSE: The Drug Burden Index (DBI) is a non-invasive method to quantify patients' anticholinergic and sedative drug burden from their prescriptions. This systematic review aimed to summarise the evidence on the associations between the DBI and clinical outcomes and methodological quality of studies. METHODS: A search in PubMed and Embase (search terms: 'drug', 'burden', and 'index') was performed and experts were contacted. We excluded publications that did not report empirical results or clinical outcomes...
December 1, 2016: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/27909675/arthroscopic-primary-repair-of-proximal-anterior-cruciate-ligament-tears
#12
Gregory S DiFelice, Jelle P van der List
In a select group of patients with proximal anterior cruciate ligament (ACL) tears, primary repair can be a useful technique. Preservation of the native ACL may be advantageous for proprioceptive function and is thought to restore normal knee joint kinematics. The procedure is a less morbid and more conservative surgical approach to restore knee stability. Primary repair is preferably performed in the acute setting because of better healing capacity and tissue quality. We present the surgical technique of arthroscopic primary ACL repair with suture anchors in patients with proximal tears and excellent tissue quality...
October 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27909564/seasons-in-the-sun-the-impact-on-ivf-results-one-month-later
#13
F Vandekerckhove, H Van der Veken, K Tilleman, I De Croo, E Van den Abbeel, J Gerris, P De Sutter
BACKGROUND: Several retrospective studies have evaluated seasonal variations in the outcome of IVF treatment. Some also included weather conditions, mostly temperature and hours of daylight. The results were conflicting. METHODS: In a retrospective study we analysed all fresh cycles (N = 9865) that were started between January 1, 2007 and December 31, 2012. Because some patients were included more than once, correction for duplicate patients was performed. We focused on individual variables provided as monthly results by our national meteorological institute...
June 27, 2016: Facts, Views & Vision in ObGyn
https://www.readbyqxmd.com/read/27909365/interviewers-experiences-with-two-multiple-mini-interview-scoring-methods-used-for-admission-to-a-master-of-physical-therapy-programme
#14
Ina van der Spuy, Angela Busch, Julia Bidonde
Purpose: To describe participants' attitudes, beliefs, and experiences with the use of two methods of scoring the Multiple Mini-Interview (MMI) for admission to a Master of Physical Therapy program: a rank-based scoring system (RBS; used from 2007 to 2013) and a criterion-based scoring system (CBS; tested in 2014). The MMI uses short independent assessments to obtain an aggregate score of candidates' professionalism and interpersonal skills, based on behavioural questions within scenarios that assess one attribute at a time...
2016: Physiotherapy Canada. Physiothérapie Canada
https://www.readbyqxmd.com/read/27909088/construct-validity-of-radiographs-of-the-feet-to-assess-joint-damage-in-patients-with-gout
#15
Bart Spaetgens, Caroline van Durme, Casper Webers, An Tran-Duy, Thea Schoonbrood, Annelies Boonen
OBJECTIVE: To investigate construct validity of radiographic damage of the feet in gout. METHODS: Radiographs of the feet were scored using the Sharp/van der Heijde method. Factors associated with damage were investigated by a negative binomial model, and contribution of damage to health by linear regressions. RESULTS: Age, disease duration, serum uric acid, and tophi were associated with being erosive and erosion score. Tophi were associated with joint space narrowing...
December 1, 2016: Journal of Rheumatology
https://www.readbyqxmd.com/read/27909067/concept-and-evaluation-of-the-german-war-surgery-course-einsatzchirurgie-kurs-der-bundeswehr
#16
David A Back, K Waldmann, T Hauer, N Huschitt, M W Bowyer, U Wesemann, A Lieber, C Willy
INTRODUCTION: Military surgeons must be prepared to care for severe and complex life-threatening injuries rarely seen in the civilian setting. Typical civilian training and practice do not provide adequate exposure to the broad set of surgical skills required. The German Bundeswehr Medical Service has developed and refined the War Surgery Course (WSC) to meet this training gap. This article describes the recent experience with this readiness curriculum. METHODS: Run annually since 1998, WSC consists nowadays of 5 days with 20 theoretical modules...
December 1, 2016: Journal of the Royal Army Medical Corps
https://www.readbyqxmd.com/read/27908736/cd98-mediated-adhesive-signaling-enables-the-establishment-and-propagation-of-acute-myelogenous-leukemia
#17
Jeevisha Bajaj, Takaaki Konuma, Nikki K Lytle, Hyog Young Kwon, Jailal N Ablack, Joseph M Cantor, David Rizzieri, Charles Chuah, Vivian G Oehler, Elizabeth H Broome, Edward D Ball, Edward H van der Horst, Mark H Ginsberg, Tannishtha Reya
Acute myelogenous leukemia (AML) is an aggressive disease associated with drug resistance and relapse. To improve therapeutic strategies, it is critical to better understand the mechanisms that underlie AML progression. Here we show that the integrin binding glycoprotein CD98 plays a central role in AML. CD98 promotes AML propagation and lethality by driving engagement of leukemia cells with their microenvironment and maintaining leukemic stem cells. Further, delivery of a humanized anti-CD98 antibody blocks growth of patient-derived AML, highlighting the importance of this pathway in human disease...
November 14, 2016: Cancer Cell
https://www.readbyqxmd.com/read/27908712/potential-of-lignin-from-canna-edulis-ker-residue-in-the-inhibition-of-%C3%AE-d-glucosidase-kinetics-and-interaction-mechanism-merging-with-docking-simulation
#18
Fan Xie, Shengxiang Gong, Wei Zhang, Jinhong Wu, Zhengwu Wang
In this study, we extracted lignin from Canna edulis ker residue. Its chemical structure, inhibitory activity on α-D-glucosidase, and kinetics as well as interaction mechanism was investigated by using spectrum analysis and docking simulation. The isolated lignin was composed by guaiacyl and syringal units, and exhibited stronger inhibition on α-D-glucosidase than acarbose with the half maximal inhibitory concentration at 5.3±0.3mM. It was a non-competitive inhibitior with Km and Ki values of 0.53±0.02mM and 0...
November 28, 2016: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/27908689/pcsk9-genetic-variants-and-risk-of-type-2-diabetes-a-mendelian-randomisation-study
#19
Amand F Schmidt, Daniel I Swerdlow, Michael V Holmes, Riyaz S Patel, Zammy Fairhurst-Hunter, Donald M Lyall, Fernando Pires Hartwig, Bernardo Lessa Horta, Elina Hyppönen, Christine Power, Max Moldovan, Erik van Iperen, G Kees Hovingh, Ilja Demuth, Kristina Norman, Elisabeth Steinhagen-Thiessen, Juri Demuth, Lars Bertram, Tian Liu, Stefan Coassin, Johann Willeit, Stefan Kiechl, Karin Willeit, Dan Mason, John Wright, Richard Morris, Goya Wanamethee, Peter Whincup, Yoav Ben-Shlomo, Stela McLachlan, Jackie F Price, Mika Kivimaki, Catherine Welch, Adelaida Sanchez-Galvez, Pedro Marques-Vidal, Andrew Nicolaides, Andrie G Panayiotou, N Charlotte Onland-Moret, Yvonne T van der Schouw, Giuseppe Matullo, Giovanni Fiorito, Simonetta Guarrera, Carlotta Sacerdote, Nicholas J Wareham, Claudia Langenberg, Robert Scott, Jian'an Luan, Martin Bobak, Sofia Malyutina, Andrzej Pająk, Ruzena Kubinova, Abdonas Tamosiunas, Hynek Pikhart, Lise Lotte Nystrup Husemoen, Niels Grarup, Oluf Pedersen, Torben Hansen, Allan Linneberg, Kenneth Starup Simonsen, Jackie Cooper, Steve E Humphries, Murray Brilliant, Terrie Kitchner, Hakon Hakonarson, David S Carrell, Catherine A McCarty, H Lester Kirchner, Eric B Larson, David R Crosslin, Mariza de Andrade, Dan M Roden, Joshua C Denny, Cara Carty, Stephen Hancock, John Attia, Elizabeth Holliday, Martin O' Donnell, Salim Yusuf, Michael Chong, Guillaume Pare, Pim van der Harst, M Abdullah Said, Ruben N Eppinga, Niek Verweij, Harold Snieder, Tim Christen, Dennis O Mook-Kanamori, Stefan Gustafsson, Lars Lind, Erik Ingelsson, Raha Pazoki, Oscar Franco, Albert Hofman, Andre Uitterlinden, Abbas Dehghan, Alexander Teumer, Sebastian Baumeister, Marcus Dörr, Markus M Lerch, Uwe Völker, Henry Völzke, Joey Ward, Jill P Pell, Daniel J Smith, Tom Meade, Anke H Maitland-van der Zee, Ekaterina V Baranova, Robin Young, Ian Ford, Archie Campbell, Sandosh Padmanabhan, Michiel L Bots, Diederick E Grobbee, Philippe Froguel, Dorothée Thuillier, Beverley Balkau, Amélie Bonnefond, Bertrand Cariou, Melissa Smart, Yanchun Bao, Meena Kumari, Anubha Mahajan, Paul M Ridker, Daniel I Chasman, Alex P Reiner, Leslie A Lange, Marylyn D Ritchie, Folkert W Asselbergs, Juan-Pablo Casas, Brendan J Keating, David Preiss, Aroon D Hingorani, Naveed Sattar
BACKGROUND: Statin treatment and variants in the gene encoding HMG-CoA reductase are associated with reductions in both the concentration of LDL cholesterol and the risk of coronary heart disease, but also with modest hyperglycaemia, increased bodyweight, and modestly increased risk of type 2 diabetes, which in no way offsets their substantial benefits. We sought to investigate the associations of LDL cholesterol-lowering PCSK9 variants with type 2 diabetes and related biomarkers to gauge the likely effects of PCSK9 inhibitors on diabetes risk...
November 28, 2016: Lancet Diabetes & Endocrinology
https://www.readbyqxmd.com/read/27908503/cobalt-60-machines-and-medical-linear-accelerators-competing-technologies-for-external-beam-radiotherapy
#20
B J Healy, D van der Merwe, K E Christaki, A Meghzifene
Medical linear accelerators (linacs) and cobalt-60 machines are both mature technologies for external beam radiotherapy. A comparison is made between these two technologies in terms of infrastructure and maintenance, dosimetry, shielding requirements, staffing, costs, security, patient throughput and clinical use. Infrastructure and maintenance are more demanding for linacs due to the complex electric componentry. In dosimetry, a higher beam energy, modulated dose rate and smaller focal spot size mean that it is easier to create an optimised treatment with a linac for conformal dose coverage of the tumour while sparing healthy organs at risk...
November 28, 2016: Clinical Oncology: a Journal of the Royal College of Radiologists
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