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https://www.readbyqxmd.com/read/29152770/cytoplasmic-localization-of-the-cell-polarity-factor-scribble-supports-liver-tumor-formation-and-tumor-cell-invasiveness
#1
Shan Wan, Anne-Sophie Meyer, Sofia Maria Elisabeth Weiler, Christian Rupp, Marcell Tóth, Carsten Sticht, Stephan Singer, Stefan Thomann, Stephanie Roessler, Marina Schorpp-Kistner, Jennifer Schmitt, Norbert Gretz, Peter Angel, Darjus Felix Tschaharganeh, Jens Marquardt, Peter Schirmacher, Federico Pinna, Kai Breuhahn
The loss of epithelial cell polarity plays an important role in the development and progression of liver cancer. However, the specific molecular mechanisms supporting tumor initiation and progression are poorly understood. In this study, transcriptome data and immunofluorescence stains of tissue samples derived from hepatocellular carcinoma (HCC) patients revealed that overexpression associated with cytoplasmic localization of the baso-lateral cell polarity complex protein Scribble (Scrib) correlated with poor prognosis of HCC patients...
November 20, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29151840/adherence-with-epinephrine-autoinjector-prescriptions-in-primary-care
#2
Elissa M Abrams, Alexander G Singer, Lisa Lix, Alan Katz, Marina Yogendran, F Estelle R Simons
Background: The aim of this study was to estimate primary adherence for epinephrine autoinjector (EA) prescriptions in primary care practices in Manitoba, Canada. Methods: A retrospective analysis of electronic medical record and administrative data was performed to determine primary adherence, defined as dispensation of a new EA prescription within 90 days of the date the prescription was written. Multivariable logistic regression models were used to test predictors of filling an EA prescription...
2017: Allergy, Asthma, and Clinical Immunology
https://www.readbyqxmd.com/read/29149945/caring-for-sepsis-patients-an-update
#3
EDITORIAL
Manu Shankar-Hari, Mervyn Singer
No abstract text is available yet for this article.
January 2018: Critical Care Clinics
https://www.readbyqxmd.com/read/29149937/personalizing-sepsis-care
#4
REVIEW
Mervyn Singer
Sepsis describes a broad-based syndrome covering many infectious agents, affecting various sites in patients of differing age, gender, and comorbidity and resulting in varying degrees and combinations of organ dysfunction. Protocolized care with rigid goals may suit populations, assuming the evidence-lite recommendations are beneficial, but not necessarily individual patients. A personalized approach to management is rational and preferable. Other than clinical heterogeneity, a range of biological signatures exist in sepsis, and these fluctuate over the disease course...
January 2018: Critical Care Clinics
https://www.readbyqxmd.com/read/29149608/a-distinct-gene-module-for-dysfunction-uncoupled-from-activation-in-tumor-infiltrating-t-cells
#5
Meromit Singer, Chao Wang, Le Cong, Nemanja D Marjanovic, Monika S Kowalczyk, Huiyuan Zhang, Jackson Nyman, Kaori Sakuishi, Sema Kurtulus, David Gennert, Junrong Xia, John Y H Kwon, James Nevin, Rebecca H Herbst, Itai Yanai, Orit Rozenblatt-Rosen, Vijay K Kuchroo, Aviv Regev, Ana C Anderson
No abstract text is available yet for this article.
November 16, 2017: Cell
https://www.readbyqxmd.com/read/29146664/the-effects-of-practice-based-training-on-graduate-teaching-assistants-classroom-practices
#6
Erin A Becker, Erin J Easlon, Sarah C Potter, Alberto Guzman-Alvarez, Jensen M Spear, Marc T Facciotti, Michele M Igo, Mitchell Singer, Christopher Pagliarulo
Evidence-based teaching is a highly complex skill, requiring repeated cycles of deliberate practice and feedback to master. Despite existing well-characterized frameworks for practice-based training in K-12 teacher education, the major principles of these frameworks have not yet been transferred to instructor development in higher educational contexts, including training of graduate teaching assistants (GTAs). We sought to determine whether a practice-based training program could help GTAs learn and use evidence-based teaching methods in their classrooms...
2017: CBE Life Sciences Education
https://www.readbyqxmd.com/read/29145855/generation-of-a-platform-strain-for-ionic-liquid-tolerance-using-adaptive-laboratory-evolution
#7
Elsayed T Mohamed, Shizeng Wang, Rebecca M Lennen, Markus J Herrgård, Blake A Simmons, Steven W Singer, Adam M Feist
BACKGROUND: There is a need to replace petroleum-derived with sustainable feedstocks for chemical production. Certain biomass feedstocks can meet this need as abundant, diverse, and renewable resources. Specific ionic liquids (ILs) can play a role in this process as promising candidates for chemical pretreatment and deconstruction of plant-based biomass feedstocks as they efficiently release carbohydrates which can be fermented. However, the most efficient pretreatment ILs are highly toxic to biological systems, such as microbial fermentations, and hinder subsequent bioprocessing of fermentative sugars obtained from IL-treated biomass...
November 16, 2017: Microbial Cell Factories
https://www.readbyqxmd.com/read/29141203/mouse-adenovirus-type-1-infection-of-adipose-tissue
#8
Caitlyn T Molloy, Laura J Adkins, Cameron Griffin, Kanakadurga Singer, Jason B Weinberg
Human adenovirus (HAdV) type 36 seropositivity has been linked to obesity in humans. That link is supported by a small number of studies using HAdV-36 infection of animals that are not natural hosts for HAdVs. In this study, we infected mice with mouse adenovirus type 1 (MAV-1), a mouse pathogen, to determine whether MAV-1 infected adipose tissue and was associated with adipose tissue inflammation and obesity. We detected MAV-1 in adipose tissue during acute MAV-1 infection, but we did not detect virus-induced increases in adipose tissue cytokine expression or histological evidence of adipose tissue inflammation during acute infection...
November 12, 2017: Virus Research
https://www.readbyqxmd.com/read/29140848/mortality-trends-after-a-voluntary-checklist-based-surgical-safety-collaborative
#9
Alex B Haynes, Lizabeth Edmondson, Stuart R Lipsitz, George Molina, Bridget A Neville, Sara J Singer, Aunyika T Moonan, Ashley Kay Childers, Richard Foster, Lorri R Gibbons, Atul A Gawande, William R Berry
OBJECTIVE: To determine whether completion of a voluntary, checklist-based surgical quality improvement program is associated with reduced 30-day postoperative mortality. BACKGROUND: Despite evidence of efficacy of team-based surgical safety checklists in improving perioperative outcomes in research trials, effective methods of population-based implementation have been lacking. The Safe Surgery 2015 South Carolina program was designed to foster state-wide engagement of hospitals in a voluntary, collaborative implementation of a checklist program...
December 2017: Annals of Surgery
https://www.readbyqxmd.com/read/29140245/bacterial-fumarase-and-l-malic-acid-are-evolutionary-ancient-components-of-the-dna-damage-response
#10
Esti Singer, Yardena Bh Silas, Sigal Ben-Yehuda, Ophry Pines
Fumarase is distributed between two compartments of the eukaryotic cell. The enzyme catalyses the reversible conversion of fumaric to L-malic acid in mitochondria as part of the tricarboxylic acid (TCA) cycle, and in the cytosol/nucleus as part of the DNA damage response (DDR). Here we show that fumarase of the model prokaryote Bacillus subtilis (Fum-bc) is induced upon DNA damage, co-localized with the bacterial DNA and is required for the DDR. Fum-bc can substitute for both eukaryotic functions in yeast. Furthermore, we found that the fumarase dependent intracellular signaling of the B...
November 15, 2017: ELife
https://www.readbyqxmd.com/read/29138175/statin-prescribing-trends-for-primary-and-secondary-prevention-of-cardiovascular-disease
#11
Felicity Brown, Alexander Singer, Alan Katz, Gerald Konrad
OBJECTIVE: To determine the proportion of patients receiving statins for primary or secondary prevention of cardiovascular disease (CVD), as well as to describe lipid-screening trends. DESIGN: Retrospective chart review using the Manitoba Primary Care Research Network repository. SETTING: Manitoba. PARTICIPANTS: A total of 149 262 patients. MAIN OUTCOME MEASURES: Proportion of patients who were taking statins for primary or secondary prevention of cardiovascular disease (CVD), who did not have evidence of CVD recorded in their charts, and who underwent lipid screening; distribution of statins among age groups; and the proportion of patients eligible for lipid screening when the age cutoffs of the 2012 and 2016 Canadian Cardiovascular Society guidelines were applied...
November 2017: Canadian Family Physician Médecin de Famille Canadien
https://www.readbyqxmd.com/read/29137545/exploring-the-perceived-health-benefits-of-singing-in-a-choir-an-international-cross-sectional-mixed-methods-study
#12
Hilary Moss, Julie Lynch, Jessica O'Donoghue
AIM: This mixed-methods exploratory study investigates the perceived health benefits of singing in a choir from an international sample of choristers. METHOD: An online questionnaire including demographic information, 28 quantitative statements and two qualitative questions relating to the perceived health benefits of singing in a choir was distributed via email and social media over a period of 4 months to a sample of 1,779 choristers. Basic descriptives and comparisons between subgroups of the sample are presented along with thematic analysis of qualitative comments...
November 1, 2017: Perspectives in Public Health
https://www.readbyqxmd.com/read/29137489/androgen-deprivation-therapy-for-the-treatment-of-prostate-cancer-a-focus-on-pharmacokinetics
#13
Charles F Polotti, Christopher J Kim, Nadiya Chuchvara, Alyssa B Polotti, Eric A Singer, Sammy Elsamra
Medical therapy has undergone many changes as our understanding of prostate cancer cell biology has improved. Androgen deprivation therapy (ADT) remains the mainstay of therapy for metastatic disease. Metastatic castrate-resistant prostate cancer (CRPC) is an important concern since we are unable to stop progression with currently available agents. Areas covered: Pharmacologic ADT is the most commonly used treatment for metastatic prostate cancer. Multiple agents are available for both first-line and second-line use: antiandrogens, estrogens, luteinizing hormone-releasing hormone agonists/antagonists, and CYP17 inhibitors...
November 15, 2017: Expert Opinion on Drug Metabolism & Toxicology
https://www.readbyqxmd.com/read/29137329/development-of-a-radiolabeled-caninized-anti-egfr-antibody-for-comparative-oncology-trials
#14
Judit Fazekas-Singer, Neydher Berroterán-Infante, Christina Rami-Mark, Monika Dumanic, Miroslawa Matz, Michael Willmann, Fritz Andreae, Josef Singer, Wolfgang Wadsak, Markus Mitterhauser, Erika Jensen-Jarolim
Due to large homology of human and canine EGFR, dogs suffering from spontaneous EGFR+ cancer can be considered as ideal translational models. Thereby, novel immunotherapeutic compounds can be developed for both human and veterinary patients. This study describes the radiolabeling of a canine anti-EGFR IgG antibody (can225IgG) with potential diagnostic and therapeutic value in comparative clinical settings. Can225IgG was functionalized with DTPA for subsequent chelation with the radionuclide (99m)Tc. Successful coupling of 10 DTPA molecules per antibody on average was proven by significant mass increase in MALDI-TOF spectroscopy, gel electrophoresis and immunoblots...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29136349/clinical-delineation-of-a-subtype-of-frontonasal-dysplasia-with-creased-nasal-ridge-and-upper-limb-anomalies-report-of-six-unrelated-patients
#15
Daphné Lehalle, Umut Altunoglu, Ange-Line Bruel, Eric Arnaud, Patricia Blanchet, Jong-Woo Choi, Julie Désir, Esra Kiliç, Damien Lederer, Lucile Pinson, Christel Thauvin-Robinet, Amihood Singer, Julien Thevenon, Patrick Callier, Hulya Kayserili, Laurence Faivre
Frontonasal dysplasias are rare congenital malformations of frontonasal process-derived structures, characterized by median cleft, nasal anomalies, widely spaced eyes, and cranium bifidum occultum. Several entities of syndromic frontonasal dysplasia have been described, among which, to date, only a few have identified molecular bases. We clinically ascertained a cohort of 124 individuals referred for frontonasal dysplasia. We identified six individuals with a similar phenotype, including one discordant monozygous twin...
December 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/29133430/the-dual-function-of-the-polybasic-juxtamembrane-region-of-syntaxin-1a-in-clamping-spontaneous-release-and-stimulating-ca-2-triggered-release-in-neuroendocrine-cells
#16
Dafna Singer-Lahat, Noa Barak-Broner, Anton Sheinin, Dafna Greitzer-Antes, Izhak Michaelevski, Ilana Lotan
The exact function of the polybasic juxtamembrane region (5RK) of the plasma membrane neuronal SNARE, syntaxin 1A (Syx), in vesicle exocytosis, although widely studied, is currently not clear. Here, we addressed the role of 5RK in Ca(2+)-triggered release, using our Syx-based intramolecular FRET probe, which previously allowed us to resolve a depolarization-induced Ca(+2)- dependent close-to-open transition (CDO) of Syx that occurs concomitant with evoked release, both in PC12 cells and hippocampal neurons and was abolished upon charge neutralization of 5RK...
November 13, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29132153/outcomes-of-dabigatran-and-warfarin-for-atrial-fibrillation-in-contemporary-practice-a-retrospective-cohort-study
#17
Alan S Go, Daniel E Singer, Sengwee Toh, T Craig Cheetham, Marsha E Reichman, David J Graham, Mary Ross Southworth, Rongmei Zhang, Rima Izem, Margie R Goulding, Monika Houstoun, Katrina Mott, Sue Hee Sung, Joshua J Gagne
Background: Dabigatran (150 mg twice daily) has been associated with lower rates of stroke than warfarin in trials of atrial fibrillation, but large-scale evaluations in clinical practice are limited. Objective: To compare incidence of stroke, bleeding, and myocardial infarction in patients receiving dabigatran versus warfarin in practice. Design: Retrospective cohort. Setting: National U.S. Food and Drug Administration Sentinel network...
November 14, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/29131164/an-improved-ms2-system-for-accurate-reporting-of-the-mrna-life-cycle
#18
Evelina Tutucci, Maria Vera, Jeetayu Biswas, Jennifer Garcia, Roy Parker, Robert H Singer
The MS2-MCP system enables researchers to image multiple steps of the mRNA life cycle with high temporal and spatial resolution. However, for short-lived mRNAs, the tight binding of the MS2 coat protein (MCP) to the MS2 binding sites (MBS) protects the RNA from being efficiently degraded, and this confounds the study of mRNA regulation. Here, we describe a reporter system (MBSV6) with reduced affinity for the MCP, which allows mRNA degradation while preserving single-molecule detection determined by single-molecule FISH (smFISH) or live imaging...
November 13, 2017: Nature Methods
https://www.readbyqxmd.com/read/29128866/association-of-atrial-fibrillation-clinical-phenotypes-with-treatment-patterns-and-outcomes-a-multicenter-registry-study
#19
Taku Inohara, Peter Shrader, Karen Pieper, Rosalia G Blanco, Laine Thomas, Daniel E Singer, James V Freeman, Larry A Allen, Gregg C Fonarow, Bernard Gersh, Michael D Ezekowitz, Peter R Kowey, James A Reiffel, Gerald V Naccarelli, Paul S Chan, Benjamin A Steinberg, Eric D Peterson, Jonathan P Piccini
Importance: Atrial fibrillation (AF) is usually classified on the basis of the disease subtype. However, this characterization does not capture the full heterogeneity of AF, and a data-driven cluster analysis reveals different possible classifications of patients. Objective: To characterize patients with AF based on a cluster analysis and to evaluate the association between these phenotypes, treatment, and clinical outcomes. Design, Setting, and Participants: This cluster analysis used data from an observational cohort that included 9749 patients with AF who had been admitted to 174 US sites participating in the Outcomes Registry for Better Informed Treatment of Atrial Fibrillation (ORBIT-AF) registry...
November 12, 2017: JAMA Cardiology
https://www.readbyqxmd.com/read/29126533/the-st-george-s-respiratory-questionnaire-appendix-to-the-food-and-drug-administration-draft-guidance-on-copd-why-a-small-step-forward-is-so-important
#20
EDITORIAL
Stephen I Rennard, Debora Merrill, Ruth Tal-Singer, Frank C Sciurba
No abstract text is available yet for this article.
November 2017: Chest
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