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https://www.readbyqxmd.com/read/29150962/genotype-and-diet-affect-resistance-survival-and-fecundity-but-not-fecundity-tolerance
#1
Megan A M Kutzer, Joachim Kurtz, Sophie A O Armitage
Insects are exposed to a variety of potential pathogens in their environment, many of which can severely impact fitness and health. Consequently, hosts have evolved resistance and tolerance strategies to suppress or cope with infections. Hosts utilising resistance improve fitness by clearing or reducing pathogen loads and hosts utilising tolerance reduce harmful fitness effects per pathogen load. To understand variation in, and selective pressures on resistance and tolerance we asked to what degree they are shaped by host genetic background, whether plasticity in these responses depends upon dietary environment, and whether there are interactions between these two factors...
November 18, 2017: Journal of Evolutionary Biology
https://www.readbyqxmd.com/read/29150945/development-of-an-in-vivo-mouse-model-of-discogenic-low-back-pain
#2
Changgui Shi, Vaskar Das, Xin Li, Ranjan Kc, Sujun Qiu, InSug O-Sullivan, Richard L Ripper, Jeffrey S Kroin, Fackson Mwale, Atiyayein A Wallace, Bingqian Zhu, Lan Zhao, Andre J van Wijnen, Mingliang Ji, Jun Lu, Gina Votta-Velis, Wen Yuan, Hee-Jeong Im
Discogenic Low back pain (DLBP) is extremely common and costly. Effective treatments are lacking due to DLBP's unknown pathogenesis. Currently, there are no in vivo mouse models of DLBP, which restricts research in this field. The aim of this study was to establish a reliable DLBP model in mouse that captures the pathological changes in the disc and allows longitudinal pain testing. The model was generated by puncturing the mouse lumbar discs (L4/5, L5/6, and L6/S1) and removing the nucleus pulposus using a microscalpel under the microscope...
November 18, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29150930/photoautotrophic-production-of-macular-pigment-in-a-chlamydomonas-reinhardtii-strain-generated-by-using-dna-free-crispr-cas9-rnp-mediated-mutagenesis
#3
Kwangryul Baek, Jihyeon Yu, Jooyeon Jeong, Sang Jun Sim, Sangsu Bae, EonSeon Jin
Lutein and zeaxanthin are dietary carotenoids reported to be protective against age-related macular degeneration. Recently, the green alga Chlamydomonas reinhardtii has received attention as a photosynthetic cell factory, but the potential of this alga for carotenoid production has not yet been evaluated. In this study, we selected the C. reinhardtii CC-4349 strain as the best candidate among seven laboratory strains tested for carotenoid production. A knock-out mutant of the zeaxanthin epoxidase gene induced by preassembled DNA-free CRISPR-Cas9 ribonucleoproteins in the CC-4349 strain had a significantly higher zeaxanthin content (56-fold) and productivity (47-fold) than the wild type without the reduction in lutein level...
November 18, 2017: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/29150861/cost-effectiveness-of-the-psycho-educational-blended-group-and-online-intervention-hypoaware-compared-with-usual-care-for-people-with-type-1-and-insulin-treated-type-2-diabetes-with-problematic-hypoglycaemia-analyses-of-a-cluster-randomized-controlled-trial
#4
M de Wit, S M P A Rondags, M W van Tulder, F J Snoek, J E Bosmans
AIMS: To evaluate the cost-effectiveness of HypoAware, a blended (group and online) psycho-educational intervention based on the evidence-based Blood Glucose Awareness Training, in comparison with usual care in people with Type 1 and Type 2 diabetes with a high risk of severe hypoglycaemia. METHODS: We performed an economic evaluation, from a societal and healthcare perspective, that used data from a 6-month, multicentre, cluster-randomized controlled trial (n=137)...
November 18, 2017: Diabetic Medicine: a Journal of the British Diabetic Association
https://www.readbyqxmd.com/read/29150800/beat-to-beat-estimation-of-stroke-volume-using-impedance-cardiography-and-artificial-neural-network
#5
S M M Naidu, Prem C Pandey, Uttam R Bagal, Suhas P Hardas
Impedance cardiography is a low-cost noninvasive technique, based on monitoring of the thoracic impedance, for estimation of stroke volume (SV). Impedance cardiogram (ICG) is the negative of the first derivative of the impedance signal. A technique for beat-to-beat SV estimation using impedance cardiography and artificial neural network (ANN) is proposed. A three-layer feed-forward ANN with error back-propagation algorithm is optimized by examining the effects of number of neurons in the hidden layer, activation function, training algorithm, and set of input parameters...
November 18, 2017: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/29150794/shunt-surgery-in-idiopathic-normal-pressure-hydrocephalus-is-cost-effective-a-cost-utility-analysis
#6
Mats Tullberg, Josefine Persson, Jakob Petersen, Per Hellström, Carsten Wikkelsø, Åsa Lundgren-Nilsson
BACKGROUND: The objective was to evaluate the cost-effectiveness of shunt surgery in patients with idiopathic normal pressure hydrocephalus (iNPH). METHODS: Health-related quality of life was evaluated before and 6 months after surgery using the EQ-5D-3 L (EuroQOL group five-dimensions health survey) in 30 patients (median age, 71 years; range, 65-89 years) diagnosed with iNPH. The costs associated with shunt surgery were assessed by a detailed survey with interviews and extraction of register data concerning the cost of hospital care, primary care, residential care, home-care service and informal care...
November 17, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29150748/an-evaluation-of-a-rural-community-based-breast-education-and-navigation-program-highlights-and-lessons-learned
#7
Essie Torres, Alice R Richman, Ann M Schreier, Nasreen Vohra, Kathryn Verbanac
Cancer has become the leading cause of death in North Carolina (NC) (North Carolina DHHS, State Center for Health Statistics 2015) and the eastern region of North Carolina (ENC) has experienced greater cancer mortality than the remainder of the state. The Pitt County Breast Wellness Initiative-Education (PCBWI-E) provides culturally tailored breast cancer education and navigation to screening services for uninsured/underinsured women in Pitt and Edgecombe Counties in ENC. PCBWI-E created a network of 23 lay breast health educators, and has educated 735 women on breast health and breast cancer screening guidelines...
November 17, 2017: Journal of Cancer Education: the Official Journal of the American Association for Cancer Education
https://www.readbyqxmd.com/read/29150693/a-collection-of-genetically-engineered-populus-trees-reveals-wood-biomass-traits-that-predict-glucose-yield-from-enzymatic-hydrolysis
#8
Sacha Escamez, Madhavi Latha Gandla, Marta Derba-Maceluch, Sven-Olof Lundqvist, Ewa J Mellerowicz, Leif J Jönsson, Hannele Tuominen
Wood represents a promising source of sugars to produce bio-based renewables, including biofuels. However, breaking down lignocellulose requires costly pretreatments because lignocellulose is recalcitrant to enzymatic saccharification. Increasing saccharification potential would greatly contribute to make wood a competitive alternative to petroleum, but this requires improving wood properties. To identify wood biomass traits associated with saccharification, we analyzed a total of 65 traits related to wood chemistry, anatomy and structure, biomass production and saccharification in 40 genetically engineered Populus tree lines...
November 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29150665/a-streamlined-cloning-workflow-minimising-the-time-to-strain-pipeline-for-pichia-pastoris
#9
Kate E Royle, Karen Polizzi
Although recent advances in E. coli self-assembly have greatly simplified cloning, these have not yet been harnessed for the high-throughput generation of expression strains in the early research and discovery phases of biopharmaceutical production. Here, we have refined the technique and incorporated it into a streamlined workflow for the generation of Pichia pastoris expression strains, reducing the timeline by a third and removing the reliance on DNA editing enzymes, which often require troubleshooting and increase costs...
November 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29150649/non-empirical-atomistic-dipole-interaction-model-for-quantum-plasmon-simulation-of-nanoparticles
#10
Jaechang Lim, Sungwoo Kang, Jaewook Kim, Woo Youn Kim, Seol Ryu
Plasmonic nanoparticles in the quantum regime exhibit characteristic optical properties that cannot be described by classical theories. Time-dependent density functional theory (TDDFT) is rising as a versatile tool for study on such systems, but its application has been limited to very small clusters due to rapidly growing computational costs. We propose an atomistic dipole-interaction-model for quantum plasmon simulations as a practical alternative. Namely the atomic dipole approximation represents induced dipoles with atomic polarizabilities obtained from TDDFT without empirical parameters...
November 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29150641/repurposing-of-the-anti-malaria-drug-chloroquine-for-zika-virus-treatment-and-prophylaxis
#11
Sergey A Shiryaev, Pinar Mesci, Antonella Pinto, Isabella Fernandes, Nicholas Sheets, Sujan Shresta, Chen Farhy, Chun-Teng Huang, Alex Y Strongin, Alysson R Muotri, Alexey V Terskikh
One of the major challenges of the current Zika virus (ZIKV) epidemic is to prevent congenital foetal abnormalities, including microcephaly, following ZIKV infection of pregnant women. Given the urgent need for ZIKV prophylaxis and treatment, repurposing of approved drugs appears to be a viable and immediate solution. We demonstrate that the common anti-malaria drug chloroquine (CQ) extends the lifespan of ZIKV-infected interferon signalling-deficient AG129 mice. However, the severity of ZIKV infection in these mice precludes the study of foetal (vertical) viral transmission...
November 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29150536/availability-sales-and-affordability-of-tobacco-cessation-medicines-in-kerala-india
#12
Smitha Sarma, Sivadasanpillai Harikrishnan, Abigail S Baldridge, Raji Devarajan, Aashna Mehta, Sakhtivel Selvaraj, Mohammed K Ali, Padinhare P Mohanan, Dorairaj Prabhakaran, Mark D Huffman
BACKGROUND: India is the world's second largest consumer of tobacco, but tobacco cessation remains uncommon due, at least in part, to underutilization of cessation pharmacotherapy. We evaluated the availability, sales, and affordability of nicotine replacement therapy, bupropion, and varenicline in the South Indian state of Kerala to understand potential reasons for underutilization. METHODS AND RESULTS: From November 2016 to April 2017, we collected data on availability, inventory, and pricing of cessation medication through a cross-sectional survey of 199 public, semiprivate (Karunya), and private pharmacies across 5 districts in Kerala using World Health Organization/Health Action International methodology...
November 2017: Circulation. Cardiovascular Quality and Outcomes
https://www.readbyqxmd.com/read/29150529/impact-of-the-2013-national-rollout-of-cms-competitive-bidding-program-the-disruption-continues
#13
Gary A Puckrein, Irl B Hirsch, Christopher G Parkin, Bruce T Taylor, Liou Xu, David G Marrero
OBJECTIVE: Use of glucose monitoring is essential to the safety of individuals with insulin-treated diabetes. In 2011, the Centers for Medicare & Medicaid Services (CMS) implemented the Medicare Competitive Bidding Program (CBP) in nine test markets. This resulted in a substantial disruption of beneficiary access to self-monitoring of blood glucose (SMBG) supplies and significant increases in the percentage of beneficiaries with either reduced or no acquisition of supplies. These reductions were significantly associated with increased mortality, hospitalizations, and costs...
November 17, 2017: Diabetes Care
https://www.readbyqxmd.com/read/29150474/core-outcome-sets-in-miscarriage-trials-cosmist-study-a-study-protocol
#14
Paul Smith, Natalie Cooper, Rima Dhillon-Smith, Emily O'Toole, T Justin Clark, Arri Coomarasamy
INTRODUCTION: 'Core outcome sets' are an agreed, standardised set of outcomes based on what key stakeholders (clinicians, patients, their partners, researchers, service developers, funding organisations and so on) consider the important outcomes in the management or prevention of a condition. This paper describes the rationale and design for the development of Core Outcome Sets for Miscarriage Trials. METHODS AND ANALYSIS: Systematic reviews, interviews and focus groups with patients and their partners will be conducted to identify potential core outcomes that will be introduced into a modified Delphi survey...
November 16, 2017: BMJ Open
https://www.readbyqxmd.com/read/29150473/patient-level-and-practice-level-factors-associated-with-consultation-duration-a-cross-sectional-analysis-of-over-one-million-consultations-in-english-primary-care
#15
Sarah Stevens, Clare Bankhead, Toqir Mukhtar, Rafael Perera-Salazar, Tim A Holt, Chris Salisbury, F D Richard Hobbs
OBJECTIVES: Consultation duration has previously been shown to be associated with patient, practitioner and practice characteristics. However, previous studies were conducted outside the UK, considered only small numbers of general practitioner (GP) consultations or focused primarily on practitioner-level characteristics. We aimed to determine the patient-level and practice-level factors associated with duration of GP and nurse consultations in UK primary care. DESIGN AND SETTING: Cross-sectional data were obtained from English general practices contributing to the Clinical Practice Research Datalink (CPRD) linked to data on patient deprivation and practice staffing, rurality and Quality and Outcomes Framework (QOF) achievement...
November 16, 2017: BMJ Open
https://www.readbyqxmd.com/read/29150418/immune-enhancing-formulas-for-patients-with-cancer-undergoing-esophagectomy-systematic-review-protocol
#16
Astrid Naranjo, Elizabeth Isenring, Laisa Teleni
BACKGROUND: Adult patients with an esophageal cancer can potentially be compromised with postoperative leaks or fistulae if patients' nutritional status is in a vulnerable stage. Currently in Australia, there is a growing need for clinicians to know whether use of immune-enhancing formulas (IEFs) containing Arg, omega-3, and RNA are a cost-effective approach compared with isonitrogenous-isocaloric formulas to reduce postoperative infectious complications in esophagectomy patients. Since IEFs may carry higher costs, this has led to inconsistencies in practice among clinicians and hospitals...
November 17, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/29150417/using-facebook-to-recruit-young-australian-men-into-a-cross-sectional-human-papillomavirus-study
#17
Roopa Das, Dorothy A Machalek, Edmund G Molesworth, Suzanne M Garland
BACKGROUND: Young men can be difficult to engage in health research using traditional methods of recruitment. Social networking sites are increasingly being used to recruit participants into health research, due to their cost effectiveness, overall generalizability, and wide reach. OBJECTIVE: The aim of this study was to determine the feasibility of using Facebook to recruit young Australian men into a human papillomavirus (HPV) prevalence study. METHODS: We recruited male permanent residents of Australia, aged 18 to 35 years, into the HPV in Young Males (HYM) study through targeted advertising placed on Facebook...
November 17, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/29150415/-initiating-hemodialysis-in-morocco-impact-of-late-referral
#18
Abdelaali Bahadi, Mohammed Reda El Farouki, Yassir Zajjari, Driss El Kabbaj
INTRODUCTION: End-stage renal disease (ESRD) is a major public health concern in Morocco with an incidence in constant progression according to MAGREDIAL "Morocco Dialysis Registry". Patients are often sent late to nephrologists, which is a source of complications recognized in several countries. For these reasons, we tried to evaluate, in our context, the prevalence and factors of this late referral (LR). METHODS: This is a retrospective study which included all patients initiating hemodialysis between January 2007 and December 2015...
November 14, 2017: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/29150406/towards-patient-centred-and-cost-effective-care-for-patients-with-cirrhosis-and-ascites
#19
Mary Thomson, Elliot B Tapper
No abstract text is available yet for this article.
November 14, 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29150405/cirrhosis-with-ascites-in-the-last-year-of-life-a-nationwide-analysis-of-factors-shaping-costs-health-care-use-and-place-of-death-in-england
#20
Benjamin Hudson, Jeff Round, Brendan Georgeson, Andrew Pring, Karen Forbes, Catherine Anne McCune, Julia Verne
BACKGROUND: Liver disease mortality increased by 400% in the UK between 1970 and 2010, resulting in rising pressures on acute hospital services, and an increasing need for end-of-life care. We aimed to assess the effect of demographic, clinical, and health-care factors on costs, patterns of health-care use, and place of death in a national cohort of patients with cirrhosis and ascites in their last year of life. METHODS: We did a retrospective, nationwide analysis of all patients who died from cirrhosis in England between 2013 and 2015, who required large-volume paracentesis in their last year of life...
November 14, 2017: Lancet. Gastroenterology & Hepatology
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