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https://www.readbyqxmd.com/read/28443314/cutaneous-yarrowia-lipolytica-infection-in-an-immunocompetent-woman
#1
Alan S Boyd, Lee Wheless, Bobbi G Brady, Darrel Ellis
No abstract text is available yet for this article.
May 2017: JAAD Case Reports
https://www.readbyqxmd.com/read/28442745/phosphorylation-of-the-mitochondrial-autophagy-receptor-nix-enhances-its-interaction-with-lc3-proteins
#2
Vladimir V Rogov, Hironori Suzuki, Mija Marinković, Verena Lang, Ryuichi Kato, Masato Kawasaki, Maja Buljubašić, Matilda Šprung, Natalia Rogova, Soichi Wakatsuki, Anne Hamacher-Brady, Volker Dötsch, Ivan Dikic, Nathan R Brady, Ivana Novak
The mitophagy receptor Nix interacts with LC3/GABARAP proteins, targeting mitochondria into autophagosomes for degradation. Here we present evidence for phosphorylation-driven regulation of the Nix:LC3B interaction. Isothermal titration calorimetry and NMR indicate a ~100 fold enhanced affinity of the serine 34/35-phosphorylated Nix LC3-interacting region (LIR) to LC3B and formation of a very rigid complex compared to the non-phosphorylated sequence. Moreover, the crystal structure of LC3B in complex with the Nix LIR peptide containing glutamic acids as phosphomimetic residues and NMR experiments revealed that LIR phosphorylation stabilizes the Nix:LC3B complex via formation of two additional hydrogen bonds between phosphorylated serines of Nix LIR and Arg11, Lys49 and Lys51 in LC3B...
April 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28442609/speaking-up-about-traditional-and-professionalism-related-patient-safety-threats-a-national-survey-of-interns-and-residents
#3
William Martinez, Lisa Soleymani Lehmann, Eric J Thomas, Jason M Etchegaray, Julia T Shelburne, Gerald B Hickson, Donald W Brady, Anneliese M Schleyer, Jennifer A Best, Natalie B May, Sigall K Bell
BACKGROUND: Open communication between healthcare professionals about care concerns, also known as 'speaking up', is essential to patient safety. OBJECTIVE: Compare interns' and residents' experiences, attitudes and factors associated with speaking up about traditional versus professionalism-related safety threats. DESIGN: Anonymous, cross-sectional survey. SETTING: Six US academic medical centres, 2013-2014. PARTICIPANTS: 1800 medical and surgical interns and residents (47% responded)...
April 25, 2017: BMJ Quality & Safety
https://www.readbyqxmd.com/read/28442585/next-gen-sequencing-analysis-and-algorithms-for-pdx-and-cdx-models
#4
Garima Khandelwal, Maria Romina Girotti, Christopher Smowton, Sam Taylor, Chris Wirth, Marek Dynowski, Kristopher K Frese, Ged Brady, Caroline Dive, Richard Marais, Crispin Miller
Patient-derived xenograft (PDX) and CTC-derived explant (CDX) models are powerful methods for the study of human disease. In cancer research, these methods have been applied to multiple questions including the study of metastatic progression, genetic evolution and therapeutic drug responses. Since PDX and CDX models can recapitulate the highly heterogeneous characteristics of a patient tumor, as well as their response to chemotherapy, there is considerable interest in combining them with next-generation sequencing (NGS) in order to monitor the genomic, transcriptional, and epigenetic changes that accompany oncogenesis...
April 25, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28441434/testing-survey-based-methods-for-rapid-monitoring-of-child-mortality-with-implications-for-summary-birth-history-data
#5
Eoghan Brady, Kenneth Hill
INTRODUCTION: Under-five mortality estimates are increasingly used in low and middle income countries to target interventions and measure performance against global development goals. Two new methods to rapidly estimate under-5 mortality based on Summary Birth Histories (SBH) were described in a previous paper and tested with data available. This analysis tests the methods using data appropriate to each method from 5 countries that lack vital registration systems. SBH data are collected across many countries through censuses and surveys, and indirect methods often rely upon their quality to estimate mortality rates...
2017: PloS One
https://www.readbyqxmd.com/read/28441388/a-population-based-approach-for-implementing-change-from-opt-out-to-opt-in-research-permissions
#6
Elizabeth A Marshall, Jim C Oates, Azza Shoaibi, Jihad S Obeid, Melissa L Habrat, Robert W Warren, Kathleen T Brady, Leslie A Lenert
Due to recently proposed changes in the Common Rule regarding the collection of research preferences, there is an increased need for efficient methods to document opt-in research preferences at a population level. Previously, our institution developed an opt-out paper-based workflow that could not be utilized for research in a scalable fashion. This project was designed to demonstrate the feasibility of implementing an electronic health record (EHR)-based active opt-in research preferences program. The first phase of implementation required creating and disseminating a patient questionnaire through the EHR portal to populate discreet fields within the EHR indicating patients' preferences for future research study contact (contact) and their willingness to allow anonymised use of excess tissue and fluid specimens (biobank)...
2017: PloS One
https://www.readbyqxmd.com/read/28439865/identification-of-protein-dna-interactions-using-enhanced-yeast-one-hybrid-assays-and-a-semiautomated-approach
#7
Allison Gaudinier, Michelle Tang, Anne-Maarit Bågman, Siobhan M Brady
Yeast one-hybrid assays are an in vitro gene-centered approach to map transcription factor-DNA interactions. Here we describe this method and adaptations to screen for interactions between plant transcriptional regulators and their targets. Of particular note, the use of yeast one-hybrid assays fills in an important gap in available methodologies. When one is interested in a specific biological process of interest, the yeast one-hybrid assay is the only method that allows researchers to identify upstream regulators of the biological process of interest...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28438972/position-of-o-acetylation-within-the-capsular-repeat-unit-impacts-the-biological-properties-of-pneumococcal-serotypes-33a-and-33f
#8
Brady L Spencer, Jamil S Saad, Anukul T Shenoy, Carlos J Orihuela, Moon H Nahm
Streptococcus pneumoniae (pneumococcus) produces many capsule types that differ in their abilities to evade host immune recognition. To explain these serotype-dependent protective capacities, many studies have investigated capsular thickness or the interaction of the capsule with complement proteins, but the effects of small chemical modifications of the capsule on its function have not been studied. One small chemical modification found frequently among pneumococcal capsules is O-acetylation. Pneumococcal serotype 33A has two membrane-bound O-acetyltransferase genes, wciG and wcjE A 33A wcjE-deficient variant, 33F, occurs naturally and is increasing in prevalence in the wake of widespread conjugate vaccine use, but no wciG-deficient variants have been reported...
April 24, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28438473/bevacizumab-and-paclitaxel-carboplatin-chemotherapy-and-secondary-cytoreduction-in-recurrent-platinum-sensitive-ovarian-cancer-nrg-oncology-gynecologic-oncology-group-study-gog-0213-a-multicentre-open-label-randomised-phase-3-trial
#9
Robert L Coleman, Mark F Brady, Thomas J Herzog, Paul Sabbatini, Deborah K Armstrong, Joan L Walker, Byoung-Gie Kim, Keiichi Fujiwara, Krishnansu S Tewari, David M O'Malley, Susan A Davidson, Stephen C Rubin, Paul DiSilvestro, Karen Basen-Engquist, Helen Huang, John K Chan, Nick M Spirtos, Raheela Ashfaq, Robert S Mannel
BACKGROUND: Platinum-based chemotherapy doublets are a standard of care for women with ovarian cancer recurring 6 months after completion of initial therapy. In this study, we aimed to explore the roles of secondary surgical cytoreduction and bevacizumab in this population, and report the results of the bevacizumab component here. METHODS: The multicentre, open-label, randomised phase 3 GOG-0213 trial was done in 67 predominantly academic centres in the USA (65 centres), Japan (one centre), and South Korea (one centre)...
April 21, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28435966/water-structuring-above-solutes-with-planar-hydrophobic-surfaces
#10
Udo Schnupf, John W Brady
Many important biological solutes possess not only polar and hydrogen bonding functionalities, but also weakly-hydrating, or hydrophobic, surfaces. Theories of the hydration of such surfaces predict that their solvent interactions will change from a wetting type interaction to a dewetting regime as a function of the solute size, with a gradual transition in behavior taking place around characteristic lengths of ∼1 nm. Aggregations of non-polar species over this size range will undergo a transition from being dominated by entropy to being dominated by enthalpy...
April 24, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28435114/the-decussating-fibers-of-the-lumbar-thoracolumbar-fascia-a-landmark-for-identifying-the-l5-spinous-process
#11
Fernando Alonso, Tarush Rustagi, Christian Fisahn, Doniel Drazin, Brady Gardner, Joe Iwanaga, Jens R Chapman, Rod J Oskouian, R Shane Tubbs
INTRODUCTION: The thoracolumbar fascia has been well studied and is known to have crisscrossing fibers. Based on surgical experience, we have hypothesized that the decussating fibers of this fascia may indicate a specific vertebral level. Therefore, the following anatomical study was performed. METHODS: Twenty adult fresh frozen cadavers aged 72-84 years old at death were placed in the prone position and the skin of the lumbar and upper sacrum was removed. Careful attention was given to the thoracolumbar fascia and any fibers of it that grossly crossed the midline to inderdigitate with its contralateral counterpart...
April 20, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28433735/outpatient-endometrial-aspiration-an-alternative-to-methotrexate-for-pregnancy-of-unknown-location
#12
Iris G Insogna, Leslie V Farland, Stacey A Missmer, Elizabeth S Ginsburg, Paula C Brady
OBJECTIVE: To evaluate the utility of an endometrial sampling protocol for the diagnosis of pregnancies of unknown location following in vitro fertilization. STUDY DESIGN: A retrospective cohort study of 14,505 autologous fresh and frozen in vitro fertilization cycles from 10/2007 to 9/2015 was performed; 110 patients were diagnosed with pregnancy of unknown location, defined as a positive human chorionic gonadotropin (hCG) without ultrasound evidence of intrauterine or ectopic pregnancy, and an abnormal hCG trend (<53% rise or <15% fall in two days)...
April 19, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28433580/description-of-a-novel-multiplex-avidity-assay-for-evaluating-hpv-antibodies
#13
Allison M Brady, Elizabeth R Unger, Gitika Panicker
Limited data exists regarding antibody avidity for human papillomavirus (HPV). We describe development of a multiplex electrochemiluminescent avidity ELISA for four HPV types (HPV 6, 11, 16, 18) by adding a dissociating step to our established multiplex HPV VLP ELISA. Initial experiments exploring ammonium thiocyanate, sodium thiocyanate and guanidine hydrochloride (GuHCl) as dissociating agents identified GuHCl as most promising. Dissociation conditions with GuHCl were varied (concentration, incubation time, temperature) to select conditions with minimal impact on VLP integrity as measured with monoclonal antibodies to conformational epitopes...
April 19, 2017: Journal of Immunological Methods
https://www.readbyqxmd.com/read/28433407/patient-provider-communication-in-nephrology-care-for-adolescents-and-young-adults
#14
S S Coburn, M N Eakin, D Roter, C Pruette, T Brady, S Mendley, S Tuchman, B Fivush, K A Riekert
OBJECTIVE: To compare the relative quantity of talk between providers, caregivers, and adolescents and young adults (AYAs) with chronic kidney disease (CKD) and how communication differs by age. METHODS: During nephrology clinic visits, conversations between AYAs with CKD (N=99, ages 11-20, median=15), their caregivers, and providers (N=19) were audiotaped and coded using the Roter Interaction Analysis System. Linear mixed models tested AYA age differences in talk frequency by AYAs, caregivers, and providers...
March 24, 2017: Patient Education and Counseling
https://www.readbyqxmd.com/read/28430983/absence-of-endothelial-er%C3%AE-results-in-arterial-remodeling-and-decreased-stiffness-in-western-diet-fed-male-mice
#15
Camila Manrique-Acevedo, Francisco I Ramirez-Perez, Jaume Padilla, Victoria J Vieira-Potter, Annayya R Aroor, Brady J Barron, Dongqing Chen, Dominic Haertling, Cory Declue, James R Sowers, Luis A Martinez-Lemus
The role of estrogen receptor alpha (ERα) signaling in the vasculature of females has been described under different experimental conditions and our group recently reported that lack of endothelial ERα in female mice fed a Western diet (WD) results in amelioration of vascular stiffness. Conversely, the role of ERα in the male vasculature in this setting has not been explored. In conditions of over-nutrition and insulin resistance, augmented arterial stiffness, endothelial dysfunction and arterial remodeling contribute to the development of cardiovascular disease...
April 18, 2017: Endocrinology
https://www.readbyqxmd.com/read/28430911/a-devices-game-of-thrones-cardiac-resynchronization-therapy-vs-pacemaker
#16
Sara Moura-Ferreira, Helena Gonçalves, Marco Oliveira, João Primo, Paulo Fonseca, José Ribeiro, Elisabeth Santos, Nuno Pelicano, Dinis Martins, Vasco Gama
Aims: Oversensing can interfere with biventricular pacing. Cardiac Resynchronization Therapy (CRT) output inhibition due to automatic brady mode change from a sensing to a pacing mode of a previously implanted pacemaker as it reached battery capacity depleted indicator has not been previously published in the medical literature. Methods and Results: We report the first case of CRT output inhibition in a pacemaker dependent patient due to electrical stimuli from a previously right-sided implanted pacemaker, after unaware reversion of OVO mode (O = no chambers paced; V = ventricular sensing; O = no response to sensing) to backup VVI (V = ventricular pacing; V = ventricular sensing; I = inhibitory response to sensing) when it reached the elective replacement interval...
April 18, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28429460/automated-t-wave-analysis-can-differentiate-acquired-qt-prolongation-from-congenital-long-qt-syndrome
#17
Alan Sugrue, Peter A Noseworthy, Vaclav Kremen, J Martijn Bos, Bo Qiang, Ram K Rohatgi, Yehu Sapir, Zachi I Attia, Peter Brady, Pedro J Caraballo, Samuel J Asirvatham, Paul A Friedman, Michael J Ackerman
BACKGROUND: Prolongation of the QT on the surface electrocardiogram can be due to either genetic or acquired causes. Distinguishing congenital long QT syndrome (LQTS) from acquired QT prolongation has important prognostic and management implications. We aimed to investigate if quantitative T-wave analysis could provide a tool for the physician to differentiate between congenital and acquired QT prolongation. METHODS: Patients were identified through an institution-wide computer-based QT screening system which alerts the physician if the QTc ≥ 500 ms...
April 21, 2017: Annals of Noninvasive Electrocardiology
https://www.readbyqxmd.com/read/28428304/complete-genome-sequence-of-spiroplasma-citri-strain-r8-a2-t-causal-agent-of-stubborn-disease-in-citrus-species
#18
Robert E Davis, Jonathan Shao, Yan Zhao, Gail E Gasparich, Brady J Gaynor, Nicole Donofrio
Spiroplasma citri causes stubborn disease in Citrus spp. and diseases in other plants. Here, we report the nucleotide sequence of the 1,599,709-bp circular chromosome and two plasmids of S. citri strain R8-A2(T) This information will facilitate analyses to understand spiroplasmal pathogenicity and evolutionary adaptations to lifestyles in plants and arthropod hosts.
April 20, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28428065/in-vivo-studies-investigating-biodistribution-of-nanoparticle-encapsulated-rhodamine-b-delivered-via-dissolving-microneedles
#19
Joakim Kennedy, Eneko Larrañeta, Maelíosa T C McCrudden, Cian M McCrudden, Aaron J Brady, Steven J Fallows, Helen O McCarthy, Adrien Kissenpfennig, Ryan F Donnelly
Nanoparticles (NPs) have undergone extensive investigation as drug delivery and targeting vehicles. NP delivery is often via the parenteral route, reliant on administration using hypodermic needles, which can be associated with patient compliance issues and safety concerns. In the recent past, the intradermal delivery of NPs, via novel dissolving microneedle (MN) arrays has garnered interest in the pharmaceutical community. However, published studies using this combinatorial approach have been limited, in that they have focussed on the use of in vitro and ex vivo models only...
April 17, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28424931/contemporary-engagement-with-social-media-amongst-hernia-surgery-specialists
#20
D H Lui, J J McDonald, A de Beaux, B Tulloh, R R W Brady
PURPOSE: Healthcare professional engagement is increasing. This study aims to identify levels of adoption and engagement of several social media platforms by a large international cohort of hernia surgery specialists. METHODS: Hernia specialists attending the 38th International Congress of the European Hernia Society were identified. A manual search was then performed on Twitter, ResearchGate, and LinkedIn to identify those who had named accounts. Where accounts were identified, data on markers of utilisation were assessed...
April 19, 2017: Hernia: the Journal of Hernias and Abdominal Wall Surgery
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