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https://www.readbyqxmd.com/read/28545218/temporal-variability-in-taxonomic-and-trait-compositions-of-invertebrate-assemblages-in-two-climatic-regions-with-contrasting-flow-regimes
#1
Sylvain Dolédec, Jessica Tilbian, Núria Bonada
CONTEXT: Understanding natural temporal changes in Mediterranean rivers with contrasting flow regimes in relation to those of temperate rivers may prove helpful in predicting effects of climate change on aquatic biodiversity. GOAL: We aimed to compare temporal variability in taxonomic and trait compositions of nearly natural rivers in two climatic regions with varying flow regimes to address the effects of future climate changes on aquatic biodiversity in reference conditions...
May 21, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28545202/memantine-inhibits-degradation-of-the-articular-cartilage-extracellular-matrix-induced-by-advanced-glycation-end-products-ages
#2
Jijun Zhao, Yinghao Yu, Zhaofeng Wu, Ling Wang, Wei Li
The accumulation of inflammation and cartilage damage induced by advanced glycation end products (AGEs) are important hallmarks of osteoarthritis (OA). Memantine is a clinically licensed drug used for the treatment of moderate and severe Alzheimer's disease. To date, little information has been reported regarding the effects of memantine on cartilage destruction. In this study, we investigated the protective effects of memantine on AGE-induced degradation of collagen II and aggrecans in human SW1353 chondrocytes...
May 20, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28545159/the-value-transformation-of-health-care-impact-on-neuromuscular-and-electrodiagnostic-medicine
#3
Pushpa Narayanaswami, Millie Suk, Lyell K Jones
INTRODUCTION: Beginning in 2017, most physicians who participate in Medicare are subject to the Medicare Access and CHIP Reauthorization Act (MACRA), the milestone legislation that signals the US health care system's transition from volume-based to value-based care. METHODS: Review of emerging trends in development of value-based healthcare systems in the US. RESULTS: MACRA and the resulting Quality Payment Program (QPP) create two participation pathways, the Merit-based Incentive Payment System (MIPS) and the Advanced Alternative Payment Model (AAPM) pathway...
May 25, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28545152/short-term-changes-in-the-health-state-of-children-with-group-b-meningococcal-disease-a-prospective-national-cohort-study
#4
Iain T R Kennedy, Albert J van Hoek, Sonia Ribeiro, Hannah Christensen, W John Edmunds, Mary E Ramsay, Shamez N Ladhani
OBJECTIVES: The short-term impact of childhood invasive meningococcal disease (IMD) on quality-of-life (QoL) remains largely unquantified. This study aimed to quantify QoL loss at the point when illness was at its worst, and assess health state recovery in the months following illness. METHODS: Parents of children aged <16 years with laboratory-confirmed meningococcal group B (MenB) disease in England, with onset dates from November 2012 to May 2013 were asked to complete a short questionnaire, which included EQ-5DY, a version of EQ-5D for 8-15 year-olds...
2017: PloS One
https://www.readbyqxmd.com/read/28545097/an-integrated-risk-predictor-for-pulmonary-nodules
#5
Paul Kearney, Stephen W Hunsucker, Xiao-Jun Li, Alex Porter, Steven Springmeyer, Peter Mazzone
It is estimated that over 1.5 million lung nodules are detected annually in the United States. Most of these are benign but frequently undergo invasive and costly procedures to rule out malignancy. A risk predictor that can accurately differentiate benign and malignant lung nodules could be used to more efficiently route benign lung nodules to non-invasive observation by CT surveillance and route malignant lung nodules to invasive procedures. The majority of risk predictors developed to date are based exclusively on clinical risk factors, imaging technology or molecular markers...
2017: PloS One
https://www.readbyqxmd.com/read/28545086/cancer-cell-spheroids-are-a-better-screen-for-the-photodynamic-efficiency-of-glycosylated-photosensitizers
#6
Patrícia M R Pereira, Naxhije Berisha, N V S Dinesh K Bhupathiraju, Rosa Fernandes, João P C Tomé, Charles Michael Drain
Photodynamic Therapy (PDT) relies on the use of non-toxic photosensitizers that are locally and selectively activated by light to induce cell death or apoptosis through reactive oxygen species generation. The conjugation of porphyrinoids with sugars that target cancer is increasingly viewed as an effective way to increase the selectivity of PDT. To date, in vitro PDT efficacy is mostly screened using two-dimensional monolayer cultures. Compared to monolayer cultures, three-dimensional spheroid cultures have unique spatial distributions of nutrients, metabolites, oxygen and signalling molecules; therefore better mimic in vivo conditions...
2017: PloS One
https://www.readbyqxmd.com/read/28545070/pou4f3-mutation-screening-in-japanese-hearing-loss-patients-massively-parallel-dna-sequencing-based-analysis-identified-novel-variants-associated-with-autosomal-dominant-hearing-loss
#7
Tomohiro Kitano, Maiko Miyagawa, Shin-Ya Nishio, Hideaki Moteki, Kiyoshi Oda, Kenji Ohyama, Hiromitsu Miyazaki, Hiroshi Hidaka, Ken-Ichi Nakamura, Takaaki Murata, Rina Matsuoka, Yoko Ohta, Nobuhiro Nishiyama, Kozo Kumakawa, Sakiko Furutate, Satoshi Iwasaki, Takechiyo Yamada, Yumi Ohta, Natsumi Uehara, Yoshihiro Noguchi, Shin-Ichi Usami
A variant in a transcription factor gene, POU4F3, is responsible for autosomal dominant nonsyndromic hereditary hearing loss, DFNA15. To date, 14 variants, including a whole deletion of POU4F3, have been reported to cause HL in various ethnic groups. In the present study, genetic screening for POU4F3 variants was carried out for a large series of Japanese hearing loss (HL) patients to clarify the prevalence and clinical characteristics of DFNA15 in the Japanese population. Massively parallel DNA sequencing of 68 target candidate genes was utilized in 2,549 unrelated Japanese HL patients (probands) to identify genomic variations responsible for HL...
2017: PloS One
https://www.readbyqxmd.com/read/28545065/influence-of-the-ferric-uptake-regulator-fur-protein-on-pathogenicity-in-pectobacterium-carotovorum-subsp-brasiliense
#8
Collins Kipngetich Tanui, Divine Yutefar Shyntum, Stefan Louis Priem, Jacques Theron, Lucy Novungayo Moleleki
Iron is an important nutrient for the survival and growth of many organisms. In order to survive, iron uptake from the environment must be strictly regulated and maintained to avoid iron toxicity. The ferric uptake regulator protein (Fur) regulates genes involved in iron homeostasis in many bacteria, including phytopathogens. However, to date, the role played by Fur in the biology of Pectobacterium carotovorum subsp. brasiliense (Pcb1692), an important pathogen of potatoes, has not yet been studied. To this end, we used the lambda recombineering method to generate a fur mutant strain of Pcb1692 and assessed the virulence and fitness of the mutant strain...
2017: PloS One
https://www.readbyqxmd.com/read/28544858/effects-of-resistance-training-on-performance-in-previously-trained-endurance-runners-a-systematic-review
#9
Manuel Alcaraz-Ibañez, Manuel Rodríguez-Pérez
The aim of this work was to identify, synthesize and evaluate the results of randomized controlled trials examining the effects of resistance training on performance indicators in previously trained endurance runners. A database search was carried out in PubMed, Science Direct, OvidSPMedLine, Wiley, Web of Science, ProQuest and Google Scholar. In accordance with the PRISMA checklist, 18 published articles dated prior to May 2016 involving 321 endurance runners were reviewed using the PEDro scale. Resistance training led to general improvements in muscular strength, running economy, muscle power factors, and direct performance in distances between 1,500 and 10,000 m...
May 25, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28544836/aortic-valve-replacement-with-the-labcor-tlpb-supra%C3%A2-porcine-bioprosthesis-intermediate-clinical-and-echocardiographic-outcomes
#10
Markus Schlömicher, Zulfugar Taghiyev, Yazan Al-Jabery, Peter Lukas Haldenwang, Leif Markthaler, Vadim Moustafine, Axel Maria Laczkovics, Justus Thomas Strauch, Matthias Bechtel
BACKGROUND: The Labcor TBLP Supra™ prosthesis is a second-generation tissue valve that has evolved from the Labcor TBLP™ prosthesis, first introduced in 1984. The Supra prosthesis is a triple-composite porcine valve, with no specific anticalcification treatment being used in its production other than standard tissue fixation with 0.4% glutaraldehyde. To date, more than 100,000 Supra valves have been implanted, mainly in South America. Despite this remarkably high number of implants, only marginal data exist concerning durability and safety issues...
January 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28544832/percutaneous-antegrade-trans-septal-closure-of-mitral-paravalvular-leak-without-creation-of-an-arteriovenous-wire-loop-in-patients-with-coexistent-mechanical-aortic-valve
#11
Teoman Kilic, Senol Coskun, Kurtulus Karauzum, Sadan Yavuz, Tayfun Sahin
BACKGROUND: Various approaches such as antegrade trans-septal, retrograde transfemoral and transapical techniques have been used to close mitral paravalvular leak (PVL) in patients with an aortic prosthesis. During the implementation of these techniques, an arteriovenous guidewire loop is often created for device delivery. However, passing through a mechanical aortic valve may cause hemodynamic compromise and prolong the procedure. To date, no studies have evaluated antegrade mitral PVL closure without the use of an arteriovenous wire loop in patients with a mechanical aortic prosthesis...
January 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28544779/a-brief-review-of-extrusion-based-tissue-scaffold-bio-printing
#12
REVIEW
Liqun Ning, Xiongbiao Chen
Extrusion-based bio-printing has great potential as a technique for manipulating biomaterials and living cells to create three-dimensional (3D) scaffolds for damaged tissue repair and function restoration. Over the last two decades, advances in both engineering techniques and life sciences have evolved extrusion-based bio-printing from a simple technique to one able to create diverse tissue scaffolds from a wide range of biomaterials and cell types. However, the complexities associated with synthesis of materials for bio-printing and manipulation of multiple materials and cells in bio-printing pose many challenges for scaffold fabrication...
May 24, 2017: Biotechnology Journal
https://www.readbyqxmd.com/read/28544551/electronic-based-lifestyle-interventions-in-overweight-or-obese-perinatal-women-a-systematic-review-and-meta-analysis
#13
REVIEW
Y Lau, P Klainin-Yobas, T P Htun, S N Wong, K L Tan, S T Ho-Lim, C Chi, C Tsai, K W Ong, S Shorey, W S W Tam
Electronic-based (e-based) lifestyle interventions provide potential and cost-effective delivery of remote interventions for overweight and obese perinatal women. To date, no meta-analysis has reported the efficacy of maternal and neonatal outcomes. Seven electronic databases were searched from inception up to July 13, 2016, including the Cumulative Index to Nursing and Allied Health Literature, Cochrane Library, EMBASE, ProQuest Dissertations and Theses, PsycINFO, PubMed and Scopus. Among the 1,145 studies retrieved, 14 randomized controlled trials were selected among 17 publications...
May 22, 2017: Obesity Reviews: An Official Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28544496/suicide-attempts-and-self-injurious-behaviours-in-adolescent-and-adult-patients-with-borderline-personality-disorder
#14
Marianne Goodman, Irene Alvarez Tomas, Christina M Temes, Garrett M Fitzmaurice, Blaise A Aguirre, Mary C Zanarini
OBJECTIVE: Prevalence data on self-mutilation and suicide attempts for adolescent borderline personality disorder (BPD) are currently not available. The purpose of this paper was to determine the frequency and methods of two forms of physically self-destructive acts (i.e. self-mutilation and suicide attempts) reported by adolescent borderline inpatients in one of the largest samples to date and to compare these results with a similarly diagnosed and assessed group of adult borderline inpatients...
May 22, 2017: Personality and Mental Health
https://www.readbyqxmd.com/read/28544467/a-survey-on-the-beliefs-and-knowledge-of-gout-management-in-new-medical-graduates-new-south-wales-australia
#15
Matthew Terrill, John Riordan
AIM: To assess the beliefs and knowledge of gout management in new medical graduates. METHOD: A survey on gout management was sent to new medical graduates during their orientation week, New South Wales, Australia. RESULTS: Of 15 hospital networks, 11 agreed to participate. From these, 168 graduates responded (23.7% response rate). Most (81.1%) felt that gout was a serious disease, 51.2% answered that they had been taught adequately to manage acute gout, only 37...
May 25, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28544302/predictors-of-delay-to-cystoscopy-and-adequacy-of-investigations-in-patients-with-haematuria
#16
Brian Ngo, Nathan Papa, Marlon Perera, Damien Bolton, Shomik Sengupta
OBJECTIVE: To identify factors that impact on the timeliness and adequacy of haematuria evaluation. PATIENTS AND METHODS: We undertook a retrospective cohort study identifying patients who underwent cystoscopy for investigation of haematuria at our institution between 1 January 2015 and 31 December 2015. Data on patient demographics, smoking status, anticoagulation, type of haematuria and referring clinician were collected. Exclusion criteria included patient age <18 years, known history of bladder/urinary tract/renal cancer, cystoscopy for indications other than haematuria and unknown date of urology consultation...
May 2017: BJU International
https://www.readbyqxmd.com/read/28544284/the-national-healthcare-system-claims-databases-in-france-sniiram-and-egb-powerful-tools-for-pharmacoepidemiology
#17
Julien Bezin, Mai Duong, Régis Lassalle, Cécile Droz, Antoine Pariente, Patrick Blin, Nicholas Moore
The French health care system is based on universal coverage by one of several health care insurance plans. The SNIIRAM database merges anonymous information of reimbursed claims from all these plans, linked to the national hospital-discharge summaries database system (PMSI) and the national death registry. It now covers 98.8% of the French population, over 66 million persons, from birth (or immigration) to death (or emigration), making it possibly the world's largest continuous homogeneous claims database...
May 24, 2017: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/28544081/direct-medical-costs-of-severe-hypoglycaemic-events-in-patients-with-type-2-diabetes-in-england-a-retrospective-database-study
#18
Tim Holbrook, Yuexin Tang, Romita Das, R Ravi Shankar, Kaan Tunceli, Jean Williams, Larry Radican, Sarah E Holden, Chris Ll Morgan, James Piercy, Craig J Currie
AIMS: Hypoglycaemia in patients with diabetes can be induced by insulins and sulfonylureas. We assessed the real-world impact of specific monotherapy and combination regimens on hypoglycaemic events requiring hospitalisation and related secondary costs to the English healthcare system. METHODS: This retrospective observational study used the Clinical Practice Research Datalink with linked hospital admission data during 2008-2012. Patients with type 2 diabetes mellitus (T2DM) using antihyperglycaemic agents (AHAs) were assigned to mutually exclusive subgroups (insulin- and non-insulin-containing regimens; treatment groups of interest; age group) based on treatment at index date (date of first AHA prescription)...
May 23, 2017: International Journal of Clinical Practice
https://www.readbyqxmd.com/read/28543867/an-age-dependent-fitness-cost-of-migration-old-trans-saharan-migrating-spoonbills-breed-later-than-those-staying-in-europe-and-late-breeders-have-lower-recruitment
#19
Tamar Lok, Linde Veldhoen, Otto Overdijk, Joost M Tinbergen, Theunis Piersma
Migration is a widespread phenomenon in the animal kingdom. On the basis of the considerable variation that exists between and within species, and even within populations, we may be able to infer the (age- and sex-specific) ecological trade-offs and constraints moulding migration systems from assessments of fitness associated with migration and wintering in different areas. During three consecutive breeding seasons, we compared the reproductive performance (timing of breeding, breeding success, chick body condition and post-fledging survival) of Eurasian spoonbills Platalea leucorodia that breed at a single breeding site in The Netherlands, but migrate different distances (ca...
May 25, 2017: Journal of Animal Ecology
https://www.readbyqxmd.com/read/28543545/heat-girdling-does-not-affect-xylem-integrity-an-in%C3%A2-vivo-magnetic-resonance-imaging-study-in-the-tomato-peduncle
#20
Bart A E Van de Wal, Carel W Windt, Olivier Leroux, Kathy Steppe
Heat girdling is a method to estimate the relative contribution of phloem vs xylem water flow to fruit growth. The heat girdling process is assumed to destroy all living tissues, including the phloem, without affecting xylem conductivity. However, to date, the assumption that xylem is not affected by heat girdling remains unproven. In this study, we used in vivo magnetic resonance imaging (MRI) velocimetry to test if heat girdling can cause xylem vessels to embolize or affect xylem water flow characteristics in the peduncle of tomato (Solanum lycopersicum cv Dirk)...
May 22, 2017: New Phytologist
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