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https://www.readbyqxmd.com/read/29342298/periodontal-disease-assessed-using-clinical-dental-measurements-and-cancer-risk-in-the-aric-study
#1
Dominique S Michaud, Jiayun Lu, Alexandra Y Peacock-Villada, John R Barber, Corinne E Joshu, Anna E Prizment, James D Beck, Steven Offenbacher, Elizabeth A Platz
Background: While evidence is increasingly consistent with a positive association between periodontitis and cancer risk, most studies have relied on self-reported periodontitis. In this study, we prospectively evaluated the association of periodontal disease severity with cancer risk in black and white older adults in a cohort study that included a dental examination. Methods: Included were 7466 participants in the Atherosclerosis Risk in Communities study cohort who at visit 4 (1996-1998) reported being edentulous or underwent the dental examination...
January 12, 2018: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/29342269/a-silent-epidemic-the-prevalence-incidence-and-persistence-of-mycoplasma-genitalium-among-young-asymptomatic-high-risk-women-in-the-united-states
#2
Arlene C Seña, Jeannette Y Lee, Jane Schwebke, Susan S Philip, Harold C Wiesenfeld, Anne M Rompalo, Robert L Cook, Marcia M Hobbs
Background: Mycoplasma genitalium (MG) is a sexually transmitted infection (STI) that can result in pelvic inflammatory disease and adverse pregnancy outcomes. We analyzed data collected from a prospective study of asymptomatic bacterial vaginosis (BV) to determine the natural history of MG. Methods: Women aged 15-25 years, with ≥2 STI risk factors and asymptomatic BV were recruited from 10 sites throughout the United States. Vaginal swabs were collected at enrollment, and by home-based testing every 2 months over 12 months...
January 12, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29342169/interactions-between-the-invasive-burmese-python-python-bivittatus-kuhl-and-the-local-mosquito-community-in-florida-usa
#3
Lawrence E Reeves, Kenneth L Krysko, Michael L Avery, Jennifer L Gillett-Kaufman, Akito Y Kawahara, C Roxanne Connelly, Phillip E Kaufman
The Burmese python, Python bivittatus Kuhl, is a well-established invasive species in the greater Everglades ecosystem of southern Florida, USA. Most research on its ecological impacts focuses on its role as a predator and its trophic interactions with native vertebrate species, particularly mammals. Beyond predation, there is little known about the ecological interactions between P. bivittatus and native faunal communities. It is likely that established populations of P. bivittatus in southern Florida serve as hosts for native mosquito communities...
2018: PloS One
https://www.readbyqxmd.com/read/29341758/nonreciprocal-magnons-and-symmetry-breaking-in-the-noncentrosymmetric-antiferromagnet
#4
G Gitgeatpong, Y Zhao, P Piyawongwatthana, Y Qiu, L W Harriger, N P Butch, T J Sato, K Matan
Inelastic neutron scattering measurements were performed to study spin dynamics in the noncentrosymmetric antiferromagnet α-Cu_{2}V_{2}O_{7}. For the first time, nonreciprocal magnons were experimentally measured in an antiferromagnet. These nonreciprocal magnons are caused by the incompatibility between anisotropic exchange and antisymmetric Dzyaloshinskii-Moriya interactions, which arise from broken symmetry, resulting in a collinear ordered state but helical spin dynamics. The nonreciprocity introduces the difference in the phase velocity of the counterrotating modes, causing the opposite spontaneous magnonic Faraday rotation of the left- and right-propagating spin waves...
July 28, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/29341448/beneficial-actions-of-microbiota-derived-tryptophan-metabolites
#5
REVIEW
J J Galligan
Tryptophan is an important dietary amino acid and it is the precursor for 5-hydroxytryptamine synthesis in the nervous system and by enterochromaffin cells in the gut mucosa. Tryptophan is also metabolized by enzymes in the gut mucosa and also by enzymes produced by the gut microbiome. Diet and the microbiome can contribute to metabolic disease in part by causing intestinal inflammation and increased permeability. In this issue of Neurogastroenterology and Motility, Jennis et al. test the hypothesis that indole tryptophan metabolites produced by gut bacteria might be responsible for the anti-inflammatory and beneficial metabolic effects of the gut microbiome and Roux-en-Y gastric bypass surgery for weight loss by obese patients...
February 2018: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/29341286/test-1-analyzer-and-conventional-westergren-method-for-erythrocyte-sedimentation-rate-a-comparative-study-between-two-laboratories
#6
Cigdem Sonmez, Ozlem Ceylan Dogan, Aysegul Ozturk Kaymak, Nedim Akkaya, Kadir Okhan Akin, Gulcan Guntas
BACKGROUND: Measurement of the length of sedimentation reaction in blood (LSRB), also called erythrocyte sedimentation rate (ESR), is a widely used hematology test. This study intends to compare ESR levels measured by Test-1 method and International Council for Standardization in Hematology's (ICSH) reference method, and analyzes the effect of hematocrit (Hct) on ESR results. MATERIAL AND METHODS: A total of 755 patients from 2 hospitals were included in the study, and samples with EDTA were studied by Test-1 method for ESR measurement and total blood count, whereas citrated samples were studied with reference Westergren method...
January 17, 2018: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29341217/acetoacetate-and-ethyl-acetoacetate-as-novel-inhibitors-of-bacterial-biofilm
#7
S M Horne, M Schroeder, J Murphy, B M Prüβ
Acetoacetate (AAA) was identified as a biofilm inhibitor in a previous study, where the effect of 190 carbon and nitrogen sources on biofilm amounts by Escherichia coli O157:H7 was determined. With this study, we tested the effect of AAA on growth and biofilm amounts of Cronobacter sakazakii, Serratia marcescens, and Yersinia enterocolitica. AAA reduced growth and biofilm amounts of the three pathogens, albeit at rather high concentrations of 10 to 35 mg ml-1 . AAA at a concentration of 5 mg ml-1 reduced Y...
January 16, 2018: Letters in Applied Microbiology
https://www.readbyqxmd.com/read/29341149/quality-of-life-implications-of-risk-reducing-cancer-surgery
#8
REVIEW
A M Altman, J Y C Hui, T M Tuttle
BACKGROUND: Modern advances in genetic sequencing techniques have allowed for increased availability of genetic testing for hereditary cancer syndromes. Consequently, more people are being identified as mutation carriers and becoming aware of their increased risk of malignancy. Testing is commonplace for many inheritable cancer syndromes, and with that comes the knowledge of being a gene carrier for some patients. With increased risk of malignancy, many guidelines recommend that gene carriers partake in risk reduction strategies, including risk-reducing surgery for some syndromes...
January 2018: British Journal of Surgery
https://www.readbyqxmd.com/read/29340704/delayed-conception-in-women-with-low-urinary-iodine-concentrations-a-population-based-prospective-cohort-study
#9
J L Mills, G M Buck Louis, K Kannan, J Weck, Y Wan, J Maisog, A Giannakou, Q Wu, R Sundaram
STUDY QUESTION: Is iodine deficiency associated with decreased fecundability? SUMMARY ANSWER: Moderate to severe iodine deficiency is associated with a 46% decrease in fecundability. WHAT IS KNOWN ALREADY: Iodine deficiency is common in women of childbearing age but its effect on fecundability has not been investigated. STUDY DESIGN, SIZE, DURATION: The LIFE Study, a population-based prospective cohort study, enrolled 501 women who had discontinued contraception within 2 months to become pregnant between 2005 and 2009...
January 11, 2018: Human Reproduction
https://www.readbyqxmd.com/read/29340548/the-relation-among-the-physical-activity-level-during-leisure-time-anthropometry-body-composition-and-physical-fitness-of-women-underwent-of-bariatric-surgery-and-an-equivalent-group-with-no-surgery
#10
Caio Machado de Oliveira Terra, Caroline Ferraz Simões, Anselmo Alexandre Mendes, Ronano Pereira Oliveira, Rafaela Pilegi Dada, Victor Hugo de Souza Mendes, João Carlos Locateli, Nelson Nardo-Junior
BACKGROUND: Bariatric surgery is an alternative to the obesity treatment. AIM: To compare anthropometric variables such as body composition and physical fitness of those who performed Roux-en-Y gastric bypass. METHODS: Were evaluated 108 women. They were subdivided in three groups: those who performed the bariatric surgery by private health insurance (SAS, n=36); by the public health care (SUS, n=36), and an equivalent group which did not perform the surgery (NO, n=36)...
October 2017: Arquivos Brasileiros de Cirurgia Digestiva: ABCD, Brazilian Archives of Digestive Surgery
https://www.readbyqxmd.com/read/29340434/structure-induced-switching-of-interpolymer-adhesion-at-a-solid-polymer-melt-interface
#11
Naisheng Jiang, Mani Sen, Wenduo Zeng, Zhizhao Chen, Justin M Cheung, Yuma Morimitsu, Maya K Endoh, Tadanori Koga, Masafumi Fukuto, Guangcui Yuan, Sushil K Satija, Jan-Michael Y Carrillo, Bobby G Sumpter
Here we report a link between the interfacial structure and adhesive property of homopolymer chains physically adsorbed (i.e., via physisorption) onto solids. Polyethylene oxide (PEO) was used as a model and two different chain conformations of the adsorbed polymer were created on silicon substrates via the well-established Guiselin's approach: "flattened chains" which lie flat on the solid and are densely packed, and "loosely adsorbed polymer chains" which form bridges jointing up nearby empty sites on the solid surface and cover the flattened chains...
January 17, 2018: Soft Matter
https://www.readbyqxmd.com/read/29340092/first-line-dose-dense-chemotherapy-with-docetaxel-cisplatin-folinic-acid-and-5-fluorouracil-dcf-plus-panitumumab-in-patients-with-locally-advanced-or-metastatic-cancer-of-the-stomach-or-gastroesophageal-junction-final-results-and-biomarker-analysis-from-an
#12
Gianluca Tomasello, Nicola Valeri, Michele Ghidini, Elizabeth C Smyth, Wanda Liguigli, Laura Toppo, Rodolfo Mattioli, Alessandra Curti, Jens C Hahne, Federica M Negri, Stefano Panni, Margherita Ratti, Silvia Lazzarelli, Fabiana Gerevini, Chiara Colombi, Andrea Panni, Massimo Rovatti, Leonardo Treccani, Mario Martinotti, Rodolfo Passalacqua
Background: Survival for patients with advanced gastroesophageal cancer (AGC) using standard treatment regimens is poor. EGFR overexpression is common in AGC and associated with poor prognosis. We hypothesized that increasing the dose intensity of chemotherapy and adding panitumumab could improve efficacy. Methods: HER2 negative, PS 0-1 patients, received up to 4 cycles of panitumumab 6 mg/kg d 1, docetaxel 60 mg/m2 d 1, cisplatin 50 mg/m2 d 1, l-folinic acid 100 mg/m2 d 1-2, followed by 5-FU 400 mg/m2 bolus d 1-2, and then 600 mg/m2 as a 22 h c...
December 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29339939/library-instruction-in-medical-education-a-survey-of-current-practices-in-the-united-states-and-canada
#13
Amanda M Nevius, A'Llyn Ettien, Alissa P Link, Laura Y Sobel
Objective: The most recent survey on instruction practices in libraries affiliated with accredited medical institutions in the United States was conducted in 1996. The present study sought to update these data, while expanding to include Canadian libraries. Additional analysis was undertaken to test for statistically significant differences between library instruction in the United States and Canada and between libraries affiliated with highly ranked and unranked institutions. Methods: A twenty-eight-question survey was distributed to libraries affiliated with accredited US and Canadian medical schools to assess what and how often librarians teach, as well as how librarians are involved in the curriculum committee and if they are satisfied with their contact with students and faculty...
January 2018: Journal of the Medical Library Association: JMLA
https://www.readbyqxmd.com/read/29339561/prepared-stimuli-enhance-aversive-learning-without-weakening-the-impact-of-verbal-instructions
#14
Lauren Y Atlas, Elizabeth A Phelps
Fear-relevant stimuli such as snakes and spiders are thought to capture attention due to evolutionary significance. Classical conditioning experiments indicate that these stimuli accelerate learning, while instructed extinction experiments suggest they may be less responsive to instructions. We manipulated stimulus type during instructed aversive reversal learning and used quantitative modeling to simultaneously test both hypotheses. Skin conductance reversed immediately upon instruction in both groups. However, fear-relevant stimuli enhanced dynamic learning, as measured by higher learning rates in participants conditioned with images of snakes and spiders...
February 2018: Learning & Memory
https://www.readbyqxmd.com/read/29339342/transgenerational-impairments-of-reproduction-and-development-of-the-marine-invertebrate-crepidula-onyx-resulted-from-long-term-dietary-exposure-of-2-2-4-4-tetrabromodiphenyl-ether-bde-47
#15
Beverly H K Po, Jill M Y Chiu
Polybrominated diphenyl ethers have become ubiquitous in the environment and elevated concentrations have often been found in marine organisms. Using the gastropod Crepidula onyx as a study model, this multigenerational study sets out to test the hypotheses that 1) parental dietary exposure to environmentally realistic levels of 2,2',4,4'-tetrabrominated diphenyl ether (BDE-47) would lead to transgenerational impairments on fitness traits of marine invertebrates, and 2) the organisms might develop adaptation/acclimation after exposure for one or more generations...
January 12, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29339318/dietary-patterns-body-mass-index-and-inflammation-pathways-to-depression-and-mental-health-problems-in-adolescents
#16
Wendy H Oddy, Karina L Allen, Georgina S A Trapp, Gina L Ambrosini, Lucinda J Black, Rae-Chi Huang, Peter Rzehak, Kevin C Runions, Feng Pan, Lawrence J Beilin, Trevor A Mori
BACKGROUND: Observational studies suggest that dietary patterns may impact mental health outcomes, although biologically plausible pathways are yet to be tested. We aimed to elucidate the longitudinal relationship between dietary patterns, adiposity, inflammation and mental health including depressive symptoms in a population-based cohort of adolescents. METHODS: Data were provided from 843 adolescents participating in the Western Australian Pregnancy Cohort (Raine) Study at 14 and 17 years (y) of age...
January 12, 2018: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29339276/reliability-of-oscillometric-central-blood-pressure-and-central-systolic-loading-in-individuals-over-50-years-effects-of-posture-and-fasting
#17
Andrew Mitchelmore, Lee Stoner, Danielle Lambrick, Simon Jobson, James Faulkner
BACKGROUND AND AIMS: The between-day reliability of oscillometric pulse wave analysis has been demonstrated in a young, healthy population but not in an older sample. This study examined the between-day reliability of the SphygmoCor XCEL in individuals over 50 years. As blood pressure is measured in a range of postures and fasting states (supine/seated, fasted/non-fasted), this study also investigated the effect of these variables on central blood pressure and central systolic loading...
December 27, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/29339005/effects-of-exercise-and-enrichment-on-behaviour-in-cd-1-mice
#18
Amiirah B Aujnarain, Owen D Luo, Natalie Taylor, Jonathan K Y Lai, Jane A Foster
A host of scholarly work has characterized the positive effects of exercise and environmental enrichment on behaviour and cognition in animal studies. The purpose of this study was to investigate the uptake and longitudinal impact of exercise and enrichment on the behavioural phenotype of male and female CD-1 mice. CD-1 mice housed in standard (STD) or exercise and enrichment (EE) conditions post-weaning were tested in the 3-chamber sociability test, open field, and elevated plus maze and exercise activity was monitored throughout the enrichment protocol...
January 12, 2018: Behavioural Brain Research
https://www.readbyqxmd.com/read/29339002/development-of-a-new-three-directional-distractor-system-for-the-correction-of-maxillary-transverse-and-sagittal-deficiency
#19
Canay Yılmaz Asan, Nükhet Kütük, Gökmen Kurt, Alper Alkan
PURPOSE: Class 3 malocclusions with maxillary deficiency, which are treated surgically and/or ordonotically, are common among adult patients. The aim of this study was to develop a three-directional bone-borne distractor that would allow the transverse expansion and sagittal advancement of the maxilla simultaneously. MATERIALS AND METHODS: Computed tomography images of a patient with maxillary deficiency were transmitted to a software program, and a distractor was designed with different sizes (D1, D2, D3) and manufactured from titanium alloy...
December 18, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29338124/conservative-therapy-for-chalazia-is-it-really-effective
#20
Albert Y Wu, Kalla A Gervasio, Kellie N Gergoudis, Chen Wei, James H Oestreicher, John T Harvey
PURPOSE: To assess the within-treatment efficacy of hot compresses (HC), HC plus tobramycin (Tobrex) and HC plus tobramycin/dexamethasone (Tobradex) for chalazia treatment. METHODS: Design: Multicentre, randomized clinical trial (ClinicalTrials.gov identifier, NCT01230593). SETTING: Two clinical sites in New York and two clinical sites in Ontario. STUDY POPULATION: A total of 149 patients with one or more chalazia on separate eyelids randomly assigned to receive HC (n = 50), HC plus tobramycin (n = 50) or HC plus tobramycin/dexamethasone (n = 49)...
January 16, 2018: Acta Ophthalmologica
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