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https://www.readbyqxmd.com/read/28340408/ongoing-evolution-of-pseudomonas-aeruginosa-pao1-sublines-complicates-studies-of-dna-damage-repair-and-tolerance
#1
Julia Sidorenko, Tatjana Jatsenko, Maia Kivisaar
Sublines of the major P. aeruginosa reference strain PAO1 are derivatives of the original PAO1 isolate, which are maintained in laboratories worldwide. These sublines display substantial genomic and phenotypic variation due to ongoing microevolution. Here, we examined four sublines, MPAO1, PAO1-L, PAO1-DSM and PAO1-UT, originated from different laboratories, and six DNA polymerase-deficient mutants from the P. aeruginosa MPAO1 transposon library for their employment in elucidation of DNA damage repair and tolerance mechanisms in P...
March 16, 2017: Mutation Research
https://www.readbyqxmd.com/read/28339952/value-of-multidisciplinary-reassessment-in-attribution-of-neuropsychiatric-events-to-systemic-lupus-erythematosus-prospective-data-from-the-leiden-npsle-cohort
#2
César Magro-Checa, Els J Zirkzee, Liesbeth J J Beaart-van de Voorde, Huub A Middelkoop, Nic J van der Wee, Menno V Huisman, Jeroen Eikenboom, Nyika D Kruyt, Mark A van Buchem, Tom W J Huizinga, Gerda M Steup-Beekman
Objective.: To determine the contribution of reassessment in the attribution process of neuropsychiatric (NP) events to SLE or other aetiologies in a large, prospective and multidisciplinary assessed NPSLE cohort and to compare these results with other available attribution models for NP events occurring in SLE. Methods.: Three hundred and four consecutive SLE patients presenting NP events were evaluated. All subjects underwent standardized multidisciplinary medical, neuropsychological, laboratory and radiological examination on the inclusion and reassessment dates...
February 28, 2017: Rheumatology
https://www.readbyqxmd.com/read/28339870/discordance-between-functional-screening-and-genetic-confirmatory-diagnostic-tests-a-retrospective-analysis-of-activated-protein-c-resistance-and-factor-5-leiden-testing-over-a-5-year-period
#3
Ezra Baraban, Alexa Siddon, Christopher Tormey
No abstract text is available yet for this article.
March 1, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28339586/framing-tobacco-dependence-as-a-brain-disease-implications-for-policy-and-practice
#4
Kylie Morphett, Adrian Carter, Wayne Hall, Coral Gartner
Introduction: Like other forms of drug dependence, tobacco dependence is increasingly being described as a "chronic brain disease." The potential consequences of this medical labelling have been examined in relation to other addictions, but the implications for tobacco control have been neglected. Some have posited that biomedical conceptions of addiction will reduce stigma and increase uptake of efficacious treatments. Others have countered that it could increase stigma, reduce treatment seeking, and deter unassisted quitting...
January 21, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/28339340/patient-perspectives-on-language-discordance-during-healthcare-visits-findings-from-the-extremely-high-density-multicultural-state-of-qatar
#5
Huda Abdelrahim, Maha Elnashar, Amal Khidir, Amal Killawi, Maya Hammoud, Abdul Latif Al-Khal, Michael D Fetters
Reducing language and cultural barriers in healthcare are significant factors in resolving health disparities. Qatar's rapidly growing multicultural population presents new challenges to the healthcare system. The purpose of this research was to explore patients' perspectives about language discordance, and the strategies used to overcome language barriers during patients' visits. Participants were recruited and interviewed from four language groups (Arabic = 24, English = 20, Hindi = 20, and Urdu = 20), all of whom were living in Qatar and utilizing Hamad General Hospital-Outpatient Clinics as a source of their healthcare services...
March 24, 2017: Journal of Health Communication
https://www.readbyqxmd.com/read/28338821/phylogenomic-insights-into-mouse-evolution-using-a-pseudoreference-approach
#6
Brice A J Sarver, Sara Keeble, Ted Cosart, Priscilla K Tucker, Matthew D Dean, Jeffrey M Good
Comparative genomic studies are now possible across a broad range of evolutionary timescales, but the generation and analysis of genomic data across many different species still present a number of challenges. The most sophisticated genotyping and down-stream analytical frameworks are still predominantly based on comparisons to high-quality reference genomes. However, established genomic resources are often limited within a given group of species, necessitating comparisons to divergent reference genomes that could restrict or bias comparisons across a phylogenetic sample...
February 22, 2017: Genome Biology and Evolution
https://www.readbyqxmd.com/read/28338598/characterization-of-distinct-coagulopathic-phenotypes-in-injury-pathway-specific-drivers-and-implications-for-individualized-treatment
#7
S Ariane Christie, Lucy Z Kornblith, Benjamin M Howard, Amanda S Conroy, Ryan C Kunitake, Mary F Nelson, Carolyn M Hendrickson, Carolyn S Calfee, Rachael A Callcut, Mitchell Jay Cohen
BACKGROUND: International normalized ratio (INR) and partial thromboplastin time (PTT) are used interchangeably to diagnose acute traumatic coagulopathy (ATC) but reflect disparate activation pathways. In this study we identified injury/patient characteristics and coagulation factors that drive contact pathway, tissue factor pathway (TF), and common pathway dysfunction by examining injured patients with discordant coagulopathies. We hypothesized that patients with INR/PTT discordance reflect differing phenotypes representing contact vs...
March 23, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28336972/microsatellite-analysis-for-differentiating-the-origin-of-renal-angiomyolipoma-and-involved-regional-lymph-node
#8
Ping Tan, Huan Xu, Yong Jiang, Lu Yang, Yan Zou, Liangren Liu, Nian Liu, Dehong Cao, Yu Fan, Qiyuan Li, Qiang Wei
Renal angiomyolipoma (AML) with the regional lymph node (LN) involved leads to a question of metastasis versus multicentric origin when their histology are similar. As the genomic instability is a common feature of cancer, we hypothesized that independently arising neoplasms in an individual patient would exhibit measurable genomic variation, facilitating the discrimination of tumor lineage and relatedness. Our study enrolled 12 patients who were diagnosed with nodal-involved renal AML at West China Hospital...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28334844/significance-of-primary-lesion-resection-in-stage-iv-breast-cancer
#9
Tadahiko Shien, Hiroji Iwata
Systemic treatment with drugs is administered to prolong survival and palliate symptoms in Stage IV breast cancer patients who have distant metastases at diagnosis. Surgical procedures for the primary tumor are not actively recommended in guidelines due to lack of evidence indicating prognostic benefit. Recently, several retrospective studies have shown primary tumor resection to prolong overall survival in patients with Stage IV breast cancer. Prospective randomized trials began enrolling patients to examine this possibility and two have already reported results...
February 23, 2017: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28334764/perceptual-body-image-and-the-relationship-with-weight-control-across-the-adult-lifespan-by-sex-in-koreans
#10
Eun Sun So
Background: This study aimed to investigate perceptual body image and the relationship between perceived body image (PBI) and weight control differentiated according to obesity categories across the adult lifespan by sex among Koreans. Methods: We analyzed data on 10 198 adults aged 25 or older from the Korean National Health and Nutrition Examination Survey of a nationally representative sample of non-institutionalized Koreans. Results: Significant discordance between PBI and body mass index (BMI) or waist circumference (WC) was found in all age groups in both sexes, and the discordance for obesity grew more severe with age...
February 27, 2017: Journal of Public Health
https://www.readbyqxmd.com/read/28333916/genetic-susceptibility-to-bilateral-tinnitus-in-a-swedish-twin-cohort
#11
Iris Lianne Maas, Petra Brüggemann, Teresa Requena, Jan Bulla, Niklas K Edvall, Jacob V B Hjelmborg, Agnieszka J Szczepek, Barbara Canlon, Birgit Mazurek, Jose A Lopez-Escamez, Christopher R Cederroth
PURPOSE: Genetic contributions to tinnitus have been difficult to determine due to the heterogeneity of the condition and its broad etiology. Here, we evaluated the genetic and nongenetic influences on self-reported tinnitus from the Swedish Twin Registry (STR). METHODS: Cross-sectional data from the STR was obtained. Casewise concordance rates (the risk of one twin being affected given that his/her twin partner has tinnitus) were compared for monozygotic (MZ) and dizygotic (DZ) twin pairs (N = 10,464 concordant and discordant twin pairs) and heritability coefficients (the proportion of the total variance attributable to genetic factors) were calculated using biometrical model fitting procedures...
March 23, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28333843/does-obesity-affect-pathologic-agreement-of-initial-and-final-tumor-grade-of-disease-in-endometrial-cancer-patients
#12
Laura R Daily, Jonathan D Boone, Hannah C Machemehl, Eric D Thomas, Gerald McGwin, J Michael Straughn, Charles A Leath
OBJECTIVES: The objectives of this study were to compare preoperative and postoperative tumor grade to determine if surgical staging decisions for endometrial cancer based on preoperative biopsy are feasible and whether obesity affects the agreement. METHODS: A retrospective cohort study of women with endometrial cancer between January 2010 and December 2011 was performed. Demographics, stage of final pathology, biopsy method, preoperative and postoperative tissue grade, and histology were abstracted and stratified by patient body mass index (obese ≥30 kg/m and nonobese <30 kg/m)...
March 23, 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28332074/matrix-metalloproteinase-2-mmp-2-levels-are-increased-in-active-acromegaly-patients
#13
Alper Cagri Karci, Zeynep Canturk, Ilhan Tarkun, Berrin Cetinarslan
PURPOSE: During follow-up of acromegaly patients, there is a discordance rate of 30% between the measurements of growth hormone and insulin-like growth factor-1 levels. Further tests are required to determine disease activity in patients with discordant results. This study was planned to investigate an association of serum levels of matrix metalloproteinase-2, matrix metalloproteinase-9, and cathepsin B with disease activity in acromegaly patients. METHODS: In this study, 64 acromegaly patients followed in our clinic were divided into two groups according to the 2010 consensus criteria for cure of acromegaly as patients with active disease (n = 24) and patients with controlled disease (n = 40)...
March 22, 2017: Endocrine
https://www.readbyqxmd.com/read/28331526/impaired-human-immunodeficiency-virus-type-1-replicative-fitness-in-atypical-viremic-non-progressor-individuals
#14
Jan Weber, Richard M Gibson, Lenka Sácká, Dmytro Strunin, Jan Hodek, Jitka Weberová, Marcela Pávová, David J Alouani, Robert Asaad, Benigno Rodriguez, Michael M Lederman, Miguel E Quiñones-Mateu
BACKGROUND: Progression rates from initial HIV-1 infection to advanced AIDS vary significantly among infected individuals. A distinct subgroup of HIV-1-infected individuals-termed viremic non-progressors (VNP) or controllers-do not seem to progress to AIDS, maintaining high CD4(+) T cell counts despite high levels of viremia for many years. Several studies have evaluated multiple host factors, including immune activation, trying to elucidate the atypical HIV-1 disease progression in these patients; however, limited work has been done to characterize viral factors in viremic controllers...
2017: AIDS Research and Therapy
https://www.readbyqxmd.com/read/28330746/-i-sleep-better-at-night-how-peer-review-of-radiation-treatment-plans-indirectly-improves-quality-of-care-across-radiation-treatment-programs
#15
Michael D Brundage, Margaret Hart, Jennifer O'Donnell, Lindsay Reddeman, Eric Gutierrez, Sophie Foxcroft, Padraig Warde
PURPOSE: Peer review of radiation oncology treatment plans is increasingly recognized as an important component of quality assurance in radiation treatment planning and delivery. Peer review of treatment plans can directly improve the quality of those plans and can also have indirect effects on radiation treatment programs. We undertook a systematic, qualitative approach to describing the indirect benefits of peer review, factors that were seen to facilitate or act as barriers to the implementation of peer review, and strategies to address these barriers across a provincial jurisdiction of radiation oncology programs (ROPs)...
November 24, 2016: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28330432/preoperative-ct-scan-based-sizing-and-in-stent-restenosis-in-peripheral-endovascular-revascularizations
#16
Adrien Kaladji, Maximilien Giovannetti, Remy Pascot, Elodie Clochard, Anne Daoudal, Antoine Lucas, Alain Cardon
Objectives This study evaluates the effect of stent sizing with CT-scan on the incidence of restenosis in peripheral arterial disease. Methods This retrospective study included 59 patients with 66 arterial lesions who underwent a endovascular procedure for peripheral arterial disease between April 2013 and October 2013. All patients had de novo iliac or femoral lesions, were candidates for an endovascular procedure alone and underwent CTA preoperatively. The stent actually implanted, whose dimensions were chosen on the basis of the operator's experience on an intraoperative 2D angiography, was compared to the "ideal" stent chosen retrospectively on the basis of precise lesion sizing by the preoperative CTA...
January 1, 2017: Vascular
https://www.readbyqxmd.com/read/28329829/-end-of-life-care-i-m-not-going-to-worry-about-that-yet-health-literacy-gaps-and-end-of-life-planning-among-elderly-dialysis-patients
#17
Keren Ladin, Katie Buttafarro, Emily Hahn, Susan Koch-Weser, Daniel E Weiner
Purpose: Between 2000 and 2012, the incident dialysis population in the United States increased by nearly 60%, most sharply among adults 75 years and older. End-of-life (EOL) conversations among dialysis patients are associated with better patient-centered outcomes and lower use of aggressive interventions in the last month of life. This study examined how health literacy may affect engagement, comprehension, and satisfaction with EOL conversations among elderly dialysis patients. Design and Methods: Qualitative/descriptive study with semi-structured interviews about health literacy, EOL conversations, and goals of care with 31 elderly dialysis patients at 2 centers in Boston...
March 10, 2017: Gerontologist
https://www.readbyqxmd.com/read/28329822/it-s-all-about-the-relationship-cognitively-intact-mother-daughter-care-dyads-in-hospice-at-home
#18
Diane N Solomon, Lissi Hansen, Judith G Baggs
Purpose of the Study: Adult daughters providing care to aging, ill mothers comprise the most prevalent caregiving dyad. Little is known, however, regarding relationship quality and its impact on care in these dyads, particularly in the context of cognitively intact patients at end of life in hospice. This interpretive descriptive work privileges voices of terminally ill mothers and care-partnering daughters in the home hospice context. Specific aims were to describe and interpret how mothers and daughters: (a) perceive relationship quality and (b) perceive how relationships have developed over time through health, chronic illness, and hospice...
March 10, 2017: Gerontologist
https://www.readbyqxmd.com/read/28329560/patient-provider-communication-concordance-and-ratings-of-care-in-dermatology-results-of-a-cross-sectional-study
#19
Valerie M Harvey, Uchechukwu Ozoemena, Joan Paul, Hind A Beydoun, Nashay N Clemetson, Ginette A Okoye
ObjectiveTo determine the impact of race concordance on patient perception of quality of dermatologic care.Study designCross-sectional study.SettingAcademic outpatient practices in the Departments of Dermatology of Eastern Virginia Medical School and the Johns Hopkins University School of Medicine.ParticipantsThe study cohort comprised 124 participants including 6 providers and 118 established patients.Main Outcome MeasuresWe hypothesized, a priori, that patients in race-discordant dyads would report lower ratings of participatory decision-making (PDM), satisfaction, trust in the provider, and similarities with providers...
November 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329466/healthcare-reform-literacy-among-academic-dermatologists-what-we-know-and-don-t-know-about-the-affordable-care-act
#20
Brian A Raphael, Suephy Chen, Benjamin Stoff
IMPORTANCE: There have been no attempts to determinethe understanding of the Affordable Care Act (ACA)among dermatologists. OBJECTIVE: Assess knowledgeof the ACA among academic dermatologists. DESIGN: A 21-item survey was administered to membersof the Association of Professors of Dermatology(APD). The items assessed knowledge and opinionsof the ACA, and demographics of the participants.Multivariate regressions were conducted todetermine associations between variables...
January 15, 2017: Dermatology Online Journal
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