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https://www.readbyqxmd.com/read/28429392/metal-free-formal-oxidative-c-c-coupling-by-in%C3%A2-situ-generation-of-an-enolonium-species
#1
Daniel Kaiser, Aurélien de la Torre, Saad Shaaban, Nuno Maulide
Much contemporary organic synthesis relies on transformations that are driven by the intrinsic, so-called "natural", polarity of chemical bonds and reactive centers. The design of unconventionally polarized synthons is a highly desirable strategy, as it generally enables unprecedented retrosynthetic disconnections for the synthesis of complex substances. Whereas the umpolung of carbonyl centers is a well-known strategy, polarity reversal at the α-position of a carbonyl group is much rarer. Herein, we report the design of a novel electrophilic enolonium species and its application in efficient and chemoselective, metal-free oxidative C-C coupling...
April 21, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28428167/developing-a-patient-centered-mhealth-app-a-tool-for-adolescents-with-type-1-diabetes-and-their-parents
#2
Bree E Holtz, Katharine M Murray, Denise D Hershey, Julie K Dunneback, Shelia R Cotten, Amanda J Holmstrom, Arpita Vyas, Molly K Kaiser, Michael A Wood
BACKGROUND: Type 1 diabetes (T1D) afflicts approximately 154,000 people under 20 years of age. Three-quarters of adolescents are not achieving glycosylated hemoglobin (HbA1c) targets, which leads to negative health outcomes. Mobile health (mHealth), the use of technology in health, has been used successfully to improve health in many chronic conditions, including diabetes. OBJECTIVE: The purpose of this study was to use patient-centered research methods to inform and improve the design and functionality of our T1D app, MyT1DHero, and to provide insight for others who are designing a health app for adolescents and parents...
April 19, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/28427954/colorectal-cancer-screening-initiation-after-age-50-years-in-an-organized-program
#3
Stacey A Fedewa, Douglas A Corley, Christopher D Jensen, Wei Zhao, Michael Goodman, Ahmedin Jemal, Kevin C Ward, Theodore R Levin, Chyke A Doubeni
INTRODUCTION: Recent studies report racial disparities among individuals in organized colorectal cancer (CRC) programs; however, there is a paucity of information on CRC screening utilization by race/ethnicity among newly age-eligible adults in such programs. METHODS: This was a retrospective cohort study among Kaiser Permanente Northern California enrollees who turned age 50 years between 2007 and 2012 (N=138,799) and were served by a systemwide outreach and facilitated in-reach screening program based primarily on mailed fecal immunochemical tests to screening-eligible people...
April 17, 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28427335/cholesterol-esterification-in-plasma-as-a-biomarker-for-liver-function-and-prediction-of-mortality
#4
Thorsten Kaiser, Benedict Kinny-Köster, Michael Bartels, Thomas Berg, Markus Scholz, Cornelius Engelmann, Daniel Seehofer, Susen Becker, Uta Ceglarek, Joachim Thiery
BACKGROUND: Advanced stages of liver cirrhosis lead to a dramatically increased mortality. For valid identification of these patients suitable biomarkers are essential. The most important biomarkers for liver function are bilirubin and prothrombin time expressed as International Normalized Ratio (INR). However, the influence of several anticoagulants on the prothrombin time limits its diagnostic value. Aim of this study was the evaluation of cholesterol esterification (CE) fraction (esterified cholesterol vs...
April 20, 2017: BMC Gastroenterology
https://www.readbyqxmd.com/read/28426624/a-randomized-double-blind-placebo-control-pilot-study-of-eplerenone-for-the-treatment-of-central-serous-chorioretinopathy-ecselsior
#5
Ehsan Rahimy, John D Pitcher, Jason Hsu, Murtaza K Adam, Abtin Shahlaee, Wasim A Samara, James F Vander, Richard S Kaiser, Allen Chiang, Marc J Spirn, Mitchell S Fineman
PURPOSE: To evaluate the safety and effects of oral eplerenone in chronic central serous chorioretinopathy. METHODS: Prospective, randomized, double-blind, placebo-control study at a tertiary referral academic private practice. For a diagnosis of chronic central serous chorioretinopathy, patients must have had at least 3 months clinical follow-up demonstrating persistent symptoms, subfoveal fluid on spectral-domain optical coherence tomography, and <50% reduction in fluid thickness...
April 19, 2017: Retina
https://www.readbyqxmd.com/read/28426243/analysis-of-2019-patients-undergoing-revision-anterior-cruciate-ligament-reconstruction-from-a-community-based-registry
#6
Afshin Arianjam, Maria C S Inacio, Tadashi T Funahashi, Gregory B Maletis
BACKGROUND: Knowledge of patient characteristics, surgical fixation, graft choice, outcomes, and concurrent injuries of revision anterior cruciate ligament reconstruction (ACLR) is limited. PURPOSE: To describe the current cohort of revision ACLR captured by a community registry and the outcomes observed in the registered patients. STUDY DESIGN: Case series; Level of evidence, 4. METHODS: Patients who underwent revision ACLR registered between February 2005 and June 2014, by 200 surgeons in 46 hospitals, were evaluated...
April 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28422931/development-and-psychometric-evaluation-of-the-professional-practice-work-environment-inventory
#7
Jeanette Ives Erickson, Mary E Duffy, Marianne Ditomassi, Dorothy Jones
OBJECTIVE: The purpose is to examine the psychometric properties of the professional practice work environment inventory (PPWEI). BACKGROUND: Derived from the Professional Practice Environment (PPE) and the Revised PPE scales, the PPWEI was designed to measure 8 components of the PPE that can be used to assist nurse administrators in decision-making. METHODS: A psychometric evaluation was undertaken with 874 nurses who were providing direct care to patients at the Massachusetts General Hospital and who provided no missing data on the newly developed 72-item PPWEI...
May 2017: Journal of Nursing Administration
https://www.readbyqxmd.com/read/28421260/-gigantic-exophytically-growing-tumor-of-the-occipital-scalp-a-complex-diagnostic-and-reconstructive-challenge
#8
T Jaehn, J Kaiser, M Billner, A Kaiser, B Reichert
No abstract text is available yet for this article.
April 18, 2017: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/28419975/animal-models-for-neuropsychiatric-disorders-prospects-for-circuit-intervention
#9
REVIEW
Tobias Kaiser, Yang Zhou, Guoping Feng
Monogenic animal models for psychiatric diseases have enabled researchers to dissect the relationship between certain candidate genes, neural circuit abnormalities, and behavioral phenotypes along development. Early reports of phenotypic reversal after genetic restoration in mouse models sparked hope that genetic defects do not damage circuits irreversibly in early-onset disorders. However, further studies have suggested that only some circuits exhibit this plasticity, while many others require proper gene function during development...
April 15, 2017: Current Opinion in Neurobiology
https://www.readbyqxmd.com/read/28419887/unpacking-the-impact-of-adverse-childhood-experiences-on-adult-mental-health
#10
Melissa T Merrick, Katie A Ports, Derek C Ford, Tracie O Afifi, Elizabeth T Gershoff, Andrew Grogan-Kaylor
Exposure to childhood adversity has an impact on adult mental health, increasing the risk for depression and suicide. Associations between Adverse Childhood Experiences (ACEs) and several adult mental and behavioral health outcomes are well documented in the literature, establishing the need for prevention. The current study analyzes the relationship between an expanded ACE score that includes being spanked as a child and adult mental health outcomes by examining each ACE separately to determine the contribution of each ACE...
April 15, 2017: Child Abuse & Neglect
https://www.readbyqxmd.com/read/28418869/development-of-a-taiwan-cancer-related-fatigue-cognition-questionnaire-reliability-and-validity
#11
Shih-Chiung Lai, Wei-Chun Lin, Chien-Hsin Chen, Szu-Yuan Wu
PURPOSE: We prospectively designed a Taiwan cancer-related fatigue cognition questionnaire, version 1.0 (TCRFCQ-V1.0), for Taiwanese patients with cancer and investigated the reliability and validity of this questionnaire. RESULTS: The completion rate of the TCRFCQ-V1.0 was high (97% of the patients completed all items), and the rate of missing data was low (0.2%-1.1% for each item). Moreover, the Cronbach alpha value was 0.889. We eliminated 5 items because their respective Cronbach alpha values were higher than the total mean value of Cronbach's alpha...
March 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28418800/predictors-of-breastfeeding-initiation-and-maintenance-in-an-integrated-healthcare-setting
#12
Michelle L Henninger, Stephanie A Irving, Tia L Kauffman, Samantha K Kurosky, Kathryn Rompala, Mark G Thompson, Leslie Z Sokolow, Lyndsay Ammon Avalos, Sarah W Ball, Pat Shifflett, Allison L Naleway
BACKGROUND: The American Academy of Pediatrics recommends exclusive breastfeeding to age 6 months. Although breastfeeding rates in the United States have been increasing over time, further improvements are needed to meet Healthy People 2020 targets. Research aim: This study examined predictors of breastfeeding initiation and maintenance among a population of insured pregnant women. METHODS: Participants were 1,149 pregnant women enrolled in the Pregnancy and Influenza Project in two Kaiser Permanente regions in 2010-2011...
May 2017: Journal of Human Lactation: Official Journal of International Lactation Consultant Association
https://www.readbyqxmd.com/read/28415965/the-pregnancy-environment-and-lifestyle-study-petals-a-population-based-longitudinal-multi-racial-birth-cohort
#13
Yeyi Zhu, Monique M Hedderson, Juanran Feng, Ashley A Mevi, Assiamira Ferrara
BACKGROUND: Increasing recognition has been received regarding the proven and suggested links between multi-level environmental exposures on a broad scale (e.g., chemical, clinical, behavioral, physical and social) and health deficits originated from the critical window of development. However, such prospective human data are limited. In 2016, the National Institutes of Health funded 35 centers comprising 84 extant cohorts for the Environmental Influences on Child Health Outcomes (ECHO) pediatric cohorts program...
April 17, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28414273/oriented-clonal-cell-dynamics-enables-accurate-growth-and-shaping-of-vertebrate-cartilage
#14
Marketa Kaucka, Tomas Zikmund, Marketa Tesarova, Daniel Gyllborg, Andreas Hellander, Josef Jaros, Jozef Kaiser, Julian Petersen, Bara Szarowska, Phillip T Newton, Vyacheslav Dyachuk, Lei Li, Hong Qian, Anne-Sofie Johansson, Yuji Mishina, Josh Currie, Elly M Tanaka, Alek Erickson, Andrew Dudley, Hjalmar Brismar, Paul Southam, Enrico Coen, Min Chen, Lee S Weinstein, Ales Hampl, Ernest Arenas, Andrei S Chagin, Kaj Fried, Igor Adameyko
Cartilaginous structures are at the core of embryo growth and shaping before the bone forms. Here we report a novel principle of vertebrate cartilage growth that is based on introducing transversally-oriented clones into pre-existing cartilage. This mechanism of growth uncouples the lateral expansion of curved cartilaginous sheets from the control of cartilage thickness, a process which might be the evolutionary mechanism underlying adaptations of facial shape. In rod-shaped cartilage structures (Meckel, ribs and skeletal elements in developing limbs), the transverse integration of clonal columns determines the well-defined diameter and resulting rod-like morphology...
April 17, 2017: ELife
https://www.readbyqxmd.com/read/28410711/failure-modes-and-effects-analysis-of-bilateral-same-day-cataract-surgery
#15
Neal H Shorstein, Carol Lucido, James Carolan, Liyan Liu, Geraldine Slean, Lisa J Herrinton
PURPOSE: To systematically analyze potential process failures related to bilateral same-day cataract surgery toward the goal of improving patient safety. SETTING: Twenty-one Kaiser Permanente surgery centers, Northern California, USA. DESIGN: Retrospective cohort study. METHODS: Quality experts performed a Failure Modes and Effects Analysis (FMEA) that included an evaluation of sterile processing, pharmaceuticals, perioperative clinic and surgical center visits, and biometry...
March 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28408976/when-tads-go-bad-chromatin-structure-and-nuclear-organisation-in-human-disease
#16
REVIEW
Vera B Kaiser, Colin A Semple
Chromatin in the interphase nucleus is organised as a hierarchical series of structural domains, including self-interacting domains called topologically associating domains (TADs). This arrangement is thought to bring enhancers into closer physical proximity with their target genes, which often are located hundreds of kilobases away in linear genomic distance. TADs are demarcated by boundary regions bound by architectural proteins, such as CTCF and cohesin, although much remains to be discovered about the structure and function of these domains...
2017: F1000Research
https://www.readbyqxmd.com/read/28408552/personalized-tumor-vaccines-keep-cancer-in-check
#17
Jocelyn Kaiser
No abstract text is available yet for this article.
April 14, 2017: Science
https://www.readbyqxmd.com/read/28407477/a-riptide-protects-neurons-from-infection
#18
Ryan P Gilley, William J Kaiser
RIPK3 and RIPK1 limit virus spread by executing either apoptotic or necroptotic cell death in response to infection. In a recent issue of Cell, Daniels et al. (2017) unveil an unexpected cell death-independent requirement of RIP kinase activity in coordinating neuroinflammation, restricting West Nile virus pathogenesis in neurons.
April 12, 2017: Cell Host & Microbe
https://www.readbyqxmd.com/read/28406845/heterogeneity-in-14-year-dementia-incidence-between-asian-american-subgroups
#19
Elizabeth R Mayeda, M Maria Glymour, Charles P Quesenberry, Rachel A Whitmer
BACKGROUND: Asian Americans are a rapidly growing and diverse population. Prior research on dementia among Asian Americans focused on Japanese Americans or Asian Americans overall, although marked differences in cardiometabolic conditions between subgroups have been documented. MATERIALS AND METHODS: We compared dementia incidence among 4 Asian American subgroups (n=8384 Chinese; n=4478 Japanese; n=6210 Filipino; n=197 South Asian) and whites (n=206,490) who were Kaiser Permanente Northern California members aged 64 years and above with no dementia diagnoses as of January 1, 2000...
April 12, 2017: Alzheimer Disease and Associated Disorders
https://www.readbyqxmd.com/read/28405356/nonlinear-growth-an-origin-of-hub-organization-in-complex-networks
#20
Roman Bauer, Marcus Kaiser
Many real-world networks contain highly connected nodes called hubs. Hubs are often crucial for network function and spreading dynamics. However, classical models of how hubs originate during network development unrealistically assume that new nodes attain information about the connectivity (for example the degree) of existing nodes. Here, we introduce hub formation through nonlinear growth where the number of nodes generated at each stage increases over time and new nodes form connections independent of target node features...
March 2017: Royal Society Open Science
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