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https://www.readbyqxmd.com/read/28723659/data-driven-analysis-of-immune-infiltrate-in-a-large-cohort-of-breast-cancer-and-its-association-with-disease-progression-er-activity-and-genomic-complexity
#1
Ruth Dannenfelser, Marianne Nome, Andliena Tahiri, Josie Ursini-Siegel, Hans Kristian Moen Vollan, Vilde D Haakensen, Åslaug Helland, Bjørn Naume, Carlos Caldas, Anne-Lise Børresen-Dale, Vessela N Kristensen, Olga G Troyanskaya
The tumor microenvironment is now widely recognized for its role in tumor progression, treatment response, and clinical outcome. The intratumoral immunological landscape, in particular, has been shown to exert both pro-tumorigenic and anti-tumorigenic effects. Identifying immunologically active or silent tumors may be an important indication for administration of therapy, and detecting early infiltration patterns may uncover factors that contribute to early risk. Thus far, direct detailed studies of the cell composition of tumor infiltration have been limited; with some studies giving approximate quantifications using immunohistochemistry and other small studies obtaining detailed measurements by isolating cells from excised tumors and sorting them using flow cytometry...
July 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28722760/patients-and-their-family-members-experiences-of-participation-in-care-following-an-acute-exacerbation-in-copd-a-phenomenological-hermeneutic-study
#2
Ingrid Charlotte Andersen, Thora Grothe Thomsen, Poul Bruun, Uffe Bodtger, Lise Hounsgaard
AIM AND OBJECTIVES: To explore the experiences of patients with chronic obstructive pulmonary disease (COPD) and their family members relating to both participation in care during hospitalization for an acute exacerbation in COPD, and to the subsequent day-to-day care at home. BACKGROUND: When recovering from an exacerbation, the challenges associated with an unpredictable health condition dominate everyday life for patients and can involve their family members...
July 19, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28720451/high-diversity-of-alpha-beta-and-gamma-human-papillomaviruses-in-genital-samples-from-hiv-negative-and-hiv-positive-heterosexual-south-african-men
#3
Tracy L Meiring, Zizipho Z A Mbulawa, Maia Lesosky, David Coetzee, Anna-Lise Williamson
BACKGROUND: This study investigated the prevalence of HPVs in heterosexual South African men and the impact of HIV co-infection. METHODS: HPV was detected in penile swabs from 195 HIV-infected and 140 HIV-uninfected men using PCR with FAP59/64 primers and Roche Linear Array HPV genotyping (LA). Genotyping of FAP positive specimens was achieved by high-throughput sequencing of amplicons. RESULTS: HPV was detected by FAP PCR and LA in 79% (266/335) of the men...
June 2017: Papillomavirus Research
https://www.readbyqxmd.com/read/28720141/selecting-and-implementing-overview-methods-implications-from-five-exemplar-overviews
#4
Alex Pollock, Pauline Campbell, Ginny Brunton, Harriet Hunt, Lise Estcourt
BACKGROUND: Overviews of systematic reviews are an increasingly popular method of evidence synthesis; there is a lack of clear guidance for completing overviews and a number of methodological challenges. At the UK Cochrane Symposium 2016, methodological challenges of five overviews were explored. Using data from these five overviews, practical implications to support methodological decision making of authors writing protocols for future overviews are proposed. METHODS: Methods, and their justification, from the five exemplar overviews were tabulated and compared with areas of debate identified within current literature...
July 18, 2017: Systematic Reviews
https://www.readbyqxmd.com/read/28720117/systematic-review-adherence-to-methodological-or-reporting-quality
#5
Kusala Pussegoda, Lucy Turner, Chantelle Garritty, Alain Mayhew, Becky Skidmore, Adrienne Stevens, Isabelle Boutron, Rafael Sarkis-Onofre, Lise M Bjerre, Asbjørn Hróbjartsson, Douglas G Altman, David Moher
BACKGROUND: Guidelines for assessing methodological and reporting quality of systematic reviews (SRs) were developed to contribute to implementing evidence-based health care and the reduction of research waste. As SRs assessing a cohort of SRs is becoming more prevalent in the literature and with the increased uptake of SR evidence for decision-making, methodological quality and standard of reporting of SRs is of interest. The objective of this study is to evaluate SR adherence to the Quality of Reporting of Meta-analyses (QUOROM) and PRISMA reporting guidelines and the A Measurement Tool to Assess Systematic Reviews (AMSTAR) and Overview Quality Assessment Questionnaire (OQAQ) quality assessment tools as evaluated in methodological overviews...
July 19, 2017: Systematic Reviews
https://www.readbyqxmd.com/read/28719692/association-of-changing-hospital-readmission-rates-with-mortality-rates-after-hospital-discharge
#6
Kumar Dharmarajan, Yongfei Wang, Zhenqiu Lin, Sharon-Lise T Normand, Joseph S Ross, Leora I Horwitz, Nihar R Desai, Lisa G Suter, Elizabeth E Drye, Susannah M Bernheim, Harlan M Krumholz
Importance: The Affordable Care Act has led to US national reductions in hospital 30-day readmission rates for heart failure (HF), acute myocardial infarction (AMI), and pneumonia. Whether readmission reductions have had the unintended consequence of increasing mortality after hospitalization is unknown. Objective: To examine the correlation of paired trends in hospital 30-day readmission rates and hospital 30-day mortality rates after discharge. Design, Setting, and Participants: Retrospective study of Medicare fee-for-service beneficiaries aged 65 years or older hospitalized with HF, AMI, or pneumonia from January 1, 2008, through December 31, 2014...
July 18, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28719482/teaching-incision-and-drainage-perceived-educational-value-of-abscess-models
#7
Cynthia M Adams, Lise E Nigrovic, Gavin Hayes, Peter H Weinstock, Joshua Nagler
OBJECTIVES: Incision and drainage (I&D) of skin abscesses is an important procedural skill for pediatric emergency medicine providers. Practical skills training using simulation provides an opportunity to learn and gain confidence with this invasive procedure. Our objective was to assess the perceived educational value of 2 versions of an abscess model as part of an educational workshop for teaching I&D. METHODS: A combined didactic and practical skills workshop was developed for use at 2 national conferences...
July 17, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28718624/covalent-enzyme-inhibition-through-fluorosulfate-modification-of-a-non-catalytic-serine-residue
#8
Olugbeminiyi O Fadeyi, Lise R Hoth, Chulho Choi, Xidong Feng, Ariamala Gopalsamy, Erik C Hett, Robert E Kyne, Ralph P Robinson, Lyn H Jones
Irreversible enzyme inhibitors often utilize the reaction of a protein cysteine residue with an appropriately positioned electrophile (an acrylamide for example) in the ligand template. Cysteine residues are not always available for site-specific protein labeling and therefore new approaches are needed to expand the toolkit of appropriate electrophiles that target alternative amino acids. We have previously described the rational targeting of tyrosine residues in the active site of a protein (the mRNA decapping scavenger enzyme, DcpS) using inhibitors armed with sulfonyl fluoride electrophiles that additionally enabled the subsequent development of clickable probe technology to measure drug-target occupancy in live cells...
July 18, 2017: ACS Chemical Biology
https://www.readbyqxmd.com/read/28718021/evidence-for-photolytic-and-microbial-degradation-processes-in-the-dissipation-of-leptospermone-a-natural-%C3%AE-triketone-herbicide
#9
Sana Romdhane, Marion Devers-Lamrani, Fabrice Martin-Laurent, Amani Ben Jrad, Delphine Raviglione, Marie-Virginie Salvia, Pascale Besse-Hoggan, Franck E Dayan, Cédric Bertrand, Lise Barthelmebs
Bioherbicides appear as an ecofriendly alternative to synthetic herbicides, generally used for weed management, because they are supposed to have low side on human health and ecosystems. In this context, our work aims to study abiotic (i.e., photolysis) and biotic (i.e,. biodegradation) processes involved in the fate of leptospermone, a natural β-triketone herbicide, by combining chemical and microbiological approaches. Under controlled conditions, the photolysis of leptospermone was sensitive to pH. Leptospermone has a half-life of 72 h under simulated solar light irradiations...
July 17, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28717182/widespread-alternative-exon-usage-in-clinically-distinct-subtypes-of-invasive-ductal-carcinoma
#10
Sunniva Stordal Bjørklund, Anshuman Panda, Surendra Kumar, Michael Seiler, Doug Robinson, Jinesh Gheeya, Ming Yao, Grethe I Grenaker Alnæs, Deborah Toppmeyer, Margit Riis, Bjørn Naume, Anne-Lise Børresen-Dale, Vessela N Kristensen, Shridar Ganesan, Gyan Bhanot
Cancer cells can have different patterns of exon usage of individual genes when compared to normal tissue, suggesting that alternative splicing may play a role in shaping the tumor phenotype. The discovery and identification of gene variants has increased dramatically with the introduction of RNA-sequencing technology, which enables whole transcriptome analysis of known, as well as novel isoforms. Here we report alternative splicing and transcriptional events among subtypes of invasive ductal carcinoma in The Cancer Genome Atlas (TCGA) Breast Invasive Carcinoma (BRCA) cohort...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28716555/attitudes-about-vaccines-to-prevent-ebola-virus-disease-in-guinea-at-the-end-of-a-large-ebola-epidemic-results-of-a-national-household-survey
#11
Kathleen L Irwin, Mohamed F Jalloh, Jamaica Corker, Barry Alpha Mahmoud, Susan J Robinson, Wenshu Li, Nyuma E James, Musa Sellu, Mohammad B Jalloh, Alpha Ahmadou Diallo, LaRee Tracy, Rana Hajjeh, Amanda VanSteelandt, Rebecca Bunnell, Lise Martel, Pratima L Raghunathan, Barbara Marston
INTRODUCTION: In 2014-2016, an Ebola epidemic devastated Guinea; more than 3800 cases and 2500 deaths were reported to the World Health Organization. In August 2015, as the epidemic waned and clinical trials of an experimental, Ebola vaccine continued in Guinea and neighboring Sierra Leone, we conducted a national household survey about Ebola-related knowledge, attitudes, and practices (KAP) and opinions about "hypothetical" Ebola vaccines. METHODS: Using cluster-randomized sampling, we selected participants aged 15+ years old in Guinea's 8 administrative regions, which had varied cumulative case counts...
July 14, 2017: Vaccine
https://www.readbyqxmd.com/read/28716015/illegal-gold-miners-in-french-guiana-a-neglected-population-with-poor-health
#12
Maylis Douine, Emilie Mosnier, Quentin Le Hingrat, Charlotte Charpentier, Florine Corlin, Louise Hureau, Antoine Adenis, Yassamine Lazrek, Florence Niemetsky, Anne-Laure Aucouturier, Magalie Demar, Lise Musset, Mathieu Nacher
BACKGROUND: In French Guiana, a French overseas territory in South America, 6 to 10 thousands undocumented persons work illegally in gold mining sites in the Amazonian forest. Precarious life conditions lead to poor health but few data exist on the health status of illegal gold miners in French Guiana. The objective of this article was to describe the sociodemographic and health status of this vulnerable population. METHOD: A prospective cross-sectional survey was conducted in 2015 on gold mine supply sites at the border between French Guiana and Suriname...
July 17, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28713837/the-predictive-role-of-tooth-extractions-oral-infections-and-hs-c-reactive-protein-for-mortality-in-individuals-with-and-without-diabetes-a-prospective-cohort-study-of-a-12-1-2-year-follow-up
#13
Lise Lund Håheim, Kjersti S Rønningen, Morten Enersen, Ingar Olsen
The predictive role of high-sensitivity C-reactive protein (hs-CRP), number of tooth extractions, and oral infections for mortality in people with and without diabetes is unclear. This prospective cohort study is a 12 1/2-year follow-up of the Oslo II study, a health survey in 2000. In all, 12,764 men were invited. Health information was retrieved from 6434 elderly men through questionnaire information, serum measurements, and anthropometric and blood pressure measurements. Diabetes was reported by 425 men...
2017: Journal of Diabetes Research
https://www.readbyqxmd.com/read/28713649/accurate-external-localization-of-the-left-frontal-cortex-in-dogs-by-using-pointer-based-frameless-neuronavigation
#14
Robrecht Dockx, Kathelijne Peremans, Romain Duprat, Lise Vlerick, Nick Van Laeken, Jimmy H Saunders, Ingeborgh Polis, Filip De Vos, Chris Baeken
BACKGROUND: In humans, non-stereotactic frameless neuronavigation systems are used as a topographical tool for non-invasive brain stimulation methods such as Transcranial Magnetic Stimulation (TMS). TMS studies in dogs may provide treatment modalities for several neuropsychological disorders in dogs. Nevertheless, an accurate non-invasive localization of a stimulation target has not yet been performed in this species. HYPOTHESIS: This study was primarily put forward to externally locate the left frontal cortex in 18 healthy dogs by means of a human non-stereotactic neuronavigation system...
2017: PeerJ
https://www.readbyqxmd.com/read/28713035/intracerebral-gene-therapy-in-children-with-mucopolysaccharidosis-type-iiib-syndrome-an-uncontrolled-phase-1-2-clinical-trial
#15
Marc Tardieu, Michel Zérah, Marie-Lise Gougeon, Jérome Ausseil, Stéphanie de Bournonville, Béatrice Husson, Dimitrios Zafeiriou, Giancarlo Parenti, Philippe Bourget, Béatrice Poirier, Valérie Furlan, Cécile Artaud, Thomas Baugnon, Thomas Roujeau, Ronald G Crystal, Christian Meyer, Kumaran Deiva, Jean-Michel Heard
BACKGROUND: Mucopolysaccharidosis type IIIB syndrome (also known as Sanfilippo type B syndrome) is a lysosomal storage disease resulting in progressive deterioration of cognitive acquisition after age 2-4 years. No treatment is available for the neurological manifestations of the disease. We sought to assess the safety and efficacy of a novel intracerebral gene therapy. METHODS: Local regulatory authorities in France allowed inclusion of up to four children in this phase 1/2 study...
July 13, 2017: Lancet Neurology
https://www.readbyqxmd.com/read/28712855/plasma-high-sensitivity-troponin-t-predicts-end-stage-renal-disease-and-cardiovascular-and-all-cause-mortality-in-patients-with-type-1-diabetes-and-diabetic-nephropathy
#16
Julie Galsgaard, Frederik Persson, Tine Willum Hansen, Anders Jorsal, Lise Tarnow, Hans-Henrik Parving, Peter Rossing
High-sensitivity troponin T (hsTnT) is a marker of cardiovascular disease (CVD) and in type 2 diabetes also a marker of renal events, but has not been evaluated in type 1 diabetics. We therefore reviewed a type 1 diabetes cohort of 442 without and 458 with diabetic nephropathy. Baseline samples were analyzed for hsTnT levels. Cox regression analyses assessed predictive value in relation to the development of end-stage renal disease (ESRD) in 99 patients, all-cause mortality in 178, and CVD events in 134 after up to 12 years of follow-up...
July 13, 2017: Kidney International
https://www.readbyqxmd.com/read/28709428/a-systematic-comparison-of-statistical-methods-to-detect-interactions-in-exposome-health-associations
#17
Jose Barrera-Gómez, Lydiane Agier, Lützen Portengen, Marc Chadeau-Hyam, Lise Giorgis-Allemand, Valérie Siroux, Oliver Robinson, Jelle Vlaanderen, Juan R González, Mark Nieuwenhuijsen, Paolo Vineis, Martine Vrijheid, Roel Vermeulen, Rémy Slama, Xavier Basagaña
BACKGROUND: There is growing interest in examining the simultaneous effects of multiple exposures and, more generally, the effects of mixtures of exposures, as part of the exposome concept (being defined as the totality of human environmental exposures from conception onwards). Uncovering such combined effects is challenging owing to the large number of exposures, several of them being highly correlated. We performed a simulation study in an exposome context to compare the performance of several statistical methods that have been proposed to detect statistical interactions...
July 14, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28707526/diagnostic-validity-of-periapical-radiography-and-cbct-for-assessing-periapical-lesions-that-persist-after-endodontic-surgery
#18
Casper Kruse, Rubens Spin-Neto, Jesper Reibel, Ann Wenzel, Lise-Lotte Kirkevang
OBJECTIVES: Traditionally, healing after surgical endodontic retreatment (SER); i.e. apicectomy with or without a retrograde filling, is assessed in periapical radiographs (PR). Recently, the use of Cone Beam CT (CBCT) has increased within endodontics. Generally, CBCT detects more periapical lesions than PR, but basic research on the true nature of these lesions is missing. The objective was to assess the diagnostic validity of PR and CBCT for determining inflammation in SER-cases that were re-operated (SER-R) due to unsuccessful healing, using histology of the periapical lesion as reference for inflammation...
July 14, 2017: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/28705656/impact-of-enteroviral-polymerase-chain-reaction-testing-on-length-of-stay-for-infants-60-days-old-or-younger
#19
Paul L Aronson, Todd W Lyons, Andrea T Cruz, Stephen B Freedman, Pamela J Okada, Alesia H Fleming, Joseph L Arms, Amy D Thompson, Suzanne M Schmidt, Jeffrey Louie, Michael J Alfonzo, Michael C Monuteaux, Lise E Nigrovic
OBJECTIVE: To determine the impact of a cerebrospinal fluid enterovirus polymerase chain reaction (PCR) test performance on hospital length of stay (LOS) in a large multicenter cohort of infants undergoing evaluation for central nervous system infection. STUDY DESIGN: We performed a planned secondary analysis of a retrospective cohort of hospitalized infants ≤60 days of age who had a cerebrospinal fluid culture obtained at 1 of 18 participating centers (2005-2013)...
July 10, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28697992/pde3-inhibition-by-c-type-natriuretic-peptide-induced-cgmp-enhances-camp-mediated-signaling-in-both-non-failing-and-failing-hearts
#20
Silja Meier, Kjetil Wessel Andressen, Jan Magnus Aronsen, Ivar Sjaastad, Karina Hougen, Tor Skomedal, Jan-Bjørn Osnes, Eirik Qvigstad, Finn Olav Levy, Lise Román Moltzau
We have previously shown that the natriuretic peptide receptor B (NPR-B) agonist C-type natriuretic peptide (CNP) enhances cyclic adenosine 3´,5´-monophosphate (cAMP)-mediated signaling in failing hearts, through cyclic guanosine 3´,5´-monophosphate (cGMP)-mediated phosphodiesterase (PDE) 3 inhibition. As several signaling pathways are importantly changed in failing hearts, it could not be taken for granted that this crosstalk would be the same in non-failing hearts. Thus, we wanted to clarify to which extent this effect of CNP occurred also in non-failing hearts...
July 8, 2017: European Journal of Pharmacology
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