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https://www.readbyqxmd.com/read/28351035/resting-state-functional-connectivity-changes-associated-with-visuospatial-cognitive-deficits-in-patients-with-mild-alzheimer-disease
#1
Rakesh Balachandar, Srikala Bharath, John P John, Himanshu Joshi, Shilpa Sadanand, Jitender Saini, Keshav J Kumar, Mathew Varghese
BACKGROUND/AIMS: Alzheimer disease (AD) is a neurodegenerative disorder characterized by progressive disconnection of various brain networks leading to neuropsychological impairment. Pathology in the visual association areas has been documented in presymptomatic AD and therefore we aimed at examining the relationship between brain connectivity and visuospatial (VS) cognitive deficits in early AD. METHODS: Tests for VS working memory, episodic memory and construction were used to classify patients with AD (n = 48) as having severe VS deficits (n = 12, female = 4) or mild deficits (n = 11, female = 4)...
March 29, 2017: Dementia and Geriatric Cognitive Disorders
https://www.readbyqxmd.com/read/28350956/improving-the-performance-of-hybrid-functional-based-molecular-dynamics-simulation-through-screening-of-hartree-fock-exchange-forces
#2
Guido Falk von Rudorff, Rasmus Jakobsen, Kevin M Rosso, Jochen Blumberger
Density functional theory-based molecular dynamics calculations of condensed phase systems often benefit from the use of hybrid functionals. However, their use is computationally very demanding and severely limits the system size and time scale that can be simulated. Several methods have been introduced to accelerate hybrid functional molecular dynamics including Schwarz screening and the auxiliary density matrix method (ADMM). Here we present a simple screening scheme that can be applied in addition to these methods...
March 28, 2017: Journal of Chemical Theory and Computation
https://www.readbyqxmd.com/read/28350883/correction-changes-in-prevalence-of-hiv-or-syphilis-among-male-sex-workers-and-non-commercial-men-who-have-sex-with-men-in-shenzhen-china-results-of-a-second-survey
#3
Yuanwei Huang, Yanting Zhang, Ke Li, Jin Zhao
[This corrects the article DOI: 10.1371/journal.pone.0167619.].
2017: PloS One
https://www.readbyqxmd.com/read/28350882/correction-g3bp1-g3bp2-and-caprin1-are-required-for-translation-of-interferon-stimulated-mrnas-and-are-targeted-by-a-dengue-virus-non-coding-rna
#4
Katell Bidet, Dhivya Dadlani, Mariano A Garcia-Blanco
[This corrects the article DOI: 10.1371/journal.ppat.1004242.].
March 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28350881/correction-gata2-inhibition-sensitizes-acute-myeloid-leukemia-cells-to-chemotherapy
#5
Li Yang, Hanxiao Sun, Yanan Cao, Binbin Xuan, Yingchao Fan, Huiming Sheng, Wenfang Zhuang
[This corrects the article DOI: 10.1371/journal.pone.0170630.].
2017: PloS One
https://www.readbyqxmd.com/read/28350878/correction-beneficial-effects-of-exercise-on-offspring-obesity-and-insulin-resistance-are-reduced-by-maternal-high-fat-diet
#6
Juliane Kasch, Sara Schumann, Saskia Schreiber, Susanne Klaus, Isabel Kanzleiter
[This corrects the article DOI: 10.1371/journal.pone.0173076.].
2017: PloS One
https://www.readbyqxmd.com/read/28350868/correction-quantification-of-santonin-in-eight-species-of-artemisia-from-kazakhstan-by-means-of-hplc-uv-method-development-and-validation
#7
(no author information available yet)
[This corrects the article DOI: 10.1371/journal.pone.0173714.].
2017: PloS One
https://www.readbyqxmd.com/read/28350866/correction-fall-armyworm-migration-across-the-lesser-antilles-and-the-potential-for-genetic-exchanges-between-north-and-south-american-populations
#8
Rodney N Nagoshi, Shelby Fleischer, Robert L Meagher, Mirian Hay-Roe, Ayub Khan, M Gabriela Murúa, Pierre Silvie, Clorinda Vergara, John Westbrook
[This corrects the article DOI: 10.1371/journal.pone.0171743.].
2017: PloS One
https://www.readbyqxmd.com/read/28350841/correction-lack-of-effect-of-oral-sulforaphane-administration-on-nrf2-expression-in-copd-a-randomized-double-blind-placebo-controlled-trial
#9
Robert A Wise, Janet T Holbrook, Gerard Criner, Sanjay Sethi, Sobharani Rayapudi, Kuladeep R Sudini, Elizabeth A Sugar, Alyce Burke, Rajesh Thimmulappa, Anju Singh, Paul Talalay, Jed W Fahey, Charles S Berenson, Michael R Jacobs, Shyam Biswal
[This corrects the article DOI: 10.1371/journal.pone.0163716.].
2017: PloS One
https://www.readbyqxmd.com/read/28350817/differential-associations-of-plasma-lipids-with-incident-dementia-and-dementia-subtypes-in-the-3c-study-a-longitudinal-population-based-prospective-cohort-study
#10
Sabrina Schilling, Christophe Tzourio, Aïcha Soumaré, Sara Kaffashian, Jean-François Dartigues, Marie-Laure Ancelin, Cécilia Samieri, Carole Dufouil, Stéphanie Debette
BACKGROUND: Vascular risk factors have been proposed as important targets for the prevention of dementia. As lipid fractions represent easily modifiable targets, we examined the longitudinal relationship of baseline lipid fractions with 13-y incident dementia and its subtypes (Alzheimer disease [AD] and mixed or vascular dementia) in older community-dwelling persons. METHODS AND FINDINGS: Non-institutionalized persons aged 65+ y (n = 9,294) were recruited for the Three-City Study (3C Study), a population-based cohort study from the electoral rolls of the cities of Dijon, Bordeaux, and Montpellier, France, between March 1999 and March 2001...
March 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28350793/correction-genetic-assessment-of-age-associated-alzheimer-disease-risk-development-and-validation-of-a-polygenic-hazard-score
#11
(no author information available yet)
[This corrects the article DOI: 10.1371/journal.pmed.1002258.].
March 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28350721/a-rare-case-of-cor-triatriatum-leading-to-respiratory-failure-and-shock-in-an-8-month-old
#12
Catherine Burger
An 8-month-old boy presents with 1 week of gradually worsening respiratory distress. After chest radiograph shows bilateral airspace opacities, he is treated for pneumonia with antibiotics and intravenous fluids. Shortly after this, he decompensates requiring intubation, followed by cardiopulmonary support with pressors and eventually extracorporeal membrane oxygenation. Bedside ultrasound then shows an additional congenital membrane in the left atrium obstructing pulmonary venous return and thought to have caused his original presentation and subsequent decompensation...
March 27, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28350678/ocular-morbidity-in-the-correction-of-orbital-hypertelorism-and-dystopia-a-15-year-experience
#13
Graeme E Glass, Kate A V Hon, Kemmy Schweibert, Richard Bowman, Barry M Jones, David J Dunaway, Jonathan A Britto
BACKGROUND: Complex surgery for appearance change is controversial. Correction of orbital hypertelorism risks diplopia and loss of stereopsis for aesthetic gain. The risk-to-benefit ratio remains ill-defined. The aim of this study was to define specific ocular morbidity following orbital translocation. METHODS: The authors compared stable preoperative and postoperative orthoptic indices (i.e., angle of strabismus, ocular motility, and acuity) for 23 consecutive patients who underwent orbital translocation between 2000 and 2015 and noted the requirement for corrective surgery...
April 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28350659/first-female-to-male-facial-confirmation-surgery-with-description-of-a-new-procedure-for-masculinization-of-the-thyroid-cartilage-adam-s-apple
#14
Jordan C Deschamps-Braly, Caitlin L Sacher, Jennifer Fick, Douglas K Ousterhout
Although male-to-female transgender patients commonly seek facial feminization surgery, facial masculinization surgery in the female-to-male transgender population is unreported in the literature. This report documents the first known female-to-male facial masculinization surgery, including a new technique for creating an "Adam's apple" to enhance the facial masculine appearance of a natal female. The authors "reversed" the methods typically used to feminize male facial features, and modified the forehead, nose, and chin to masculinize the patient's natal female facial features...
April 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28350625/outcome-and-histopathology-of-secondary-penetrating-keratoplasty-graft-failure-managed-by-descemet-membrane-endothelial-keratoplasty
#15
Itay Lavy, Vasilios S Liarakos, Robert M Verdijk, Jack Parker, Thomas M Müller, Marieke Bruinsma, Perry S Binder, Gerrit R J Melles
PURPOSE: To describe the clinical outcome and histopathology of Descemet membrane endothelial keratoplasty (DMEK) performed for secondary graft failure after penetrating keratoplasty (PK). METHODS: A total of 11 eyes from 10 patients who underwent DMEK for secondary PK graft failure at a tertiary referral center were included in this retrospective study. Best-corrected visual acuity, endothelial cell density, and central pachymetry were evaluated before and at regular time intervals up to 36 months after DMEK and complications were recorded; 1 post mortem cornea was available for light microscopy...
March 21, 2017: Cornea
https://www.readbyqxmd.com/read/28350619/genetic-determinants-of-essential-hypertension-in-the-population-of-tatars-from-russia
#16
Yanina Timasheva, Timur Nasibullin, Elvira Imaeva, Vera Erdman, Ilsiyar Tuktarova, Olga Mustafina
OBJECTIVE: Systemic inflammation and impaired function of endothelium play an important role in the development of hypertension. Our study aimed to analyze an association between essential hypertension and polymorphic markers in candidate genes in the group of 530 Tatars from the Republic of Bashkortostan, Russia. METHODS: The study group consisted of 216 male patients with essential hypertension (mean age 48.92 ± 8.8 years) and 314 healthy individuals of corresponding sex and age without history of cardiovascular disease...
May 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28350556/resorbable-plates-prevent-regression-in-pediatric-mandibular-distraction-osteogenesis
#17
Brandon Kikuo Richland, Christopher Ellstrom, Asim Ahmad, Daniel Jaffurs
BACKGROUND: Mandibular distraction osteogenesis is an important technique to correct the pediatric hypoplastic mandible. Regression of the mandible after distraction continues to be a challenge, with some studies reporting up to 22% to 56% decrease toward predistraction length in the first year. We hypothesize that a resorbable plate placed after removal of the distractor will provide additional stability to newly formed bone, allowing further time for consolidation and minimizing regression...
March 27, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28350554/high-sensitivity-and-specificity-of-the-cepheid-xpert%C3%A2-hiv-1-qualitative-point-of-care-test-among-newborns-in-botswana
#18
Maryanne Ibrahim, Sikhulile Moyo, Terence Mohammed, Lucy Mupfumi, Simani Gaseitsiwe, Kenneth Maswabi, Gbolahan Ajibola, Rebecca Gelman, Oganne Batlang, Maureen Sakoi, Chloe Auletta-Young, Joseph Makhema, Shahin Lockman, Roger L Shapiro
BACKGROUND: HIV point-of-care (POC) testing allows for early infant HIV diagnosis and treatment, but POC accuracy at birth and in the setting of antiretroviral prophylaxis for the prevention of mother-to-child HIV transmission (MTCT) is unknown. METHODS: We evaluated the Cepheid Xpert® HIV-1 Qual POC test against the Roche Taqman HIV-1 PCR platform using dried blood spots from 15 HIV-infected and 75 HIV-exposed uninfected newborns. These infants were screened for HIV at <96 hours of life at 5 hospital maternity wards in Botswana; all infants received post-exposure antiretroviral prophylaxis (PEP) and most mothers received 3-drug antiretroviral therapy in pregnancy and at delivery...
March 24, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28350545/reliability-of-dose-volume-constraint-inference-from-clinical-data
#19
C M Lutz, D S Møller, L Hoffmann, M M Knap, M Alber
Dose volume histogram points (DVHPs) frequently serve as dose constraints in radiotherapy treatment planning. An experiment was designed to investigate the reliability of DVHP inference from clinical data for multiple cohort sizes and complication incidence rates. The experimental background was radiation pneumonitis in non-small cell lung cancer and the DVHP inference method was based on logistic regression. From 102 NSCLC real-life dose distributions and a postulated DVHP model, an 'ideal' cohort was generated where the most predictive model was equal to the postulated model...
April 21, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28350453/diazaphenoxazines-and-diazaphenothiazines-synthesis-of-the-correct-isomers-reveals-they-are-highly-reactive-radical-trapping%C3%A2-antioxidants
#20
Evan A Haidasz, Derek A Pratt
The preparation of 2,4-diazaphenothiazines and 2,4-diazaphenoxazines via a copper-catalyzed intramolecular amination is described. Literature approaches which utilize easily accessed (2'-aminophenyl) 4-pyri(mi)dyl sulfides undergo a Smiles rearrangement that gives rise to the 1,3-diaza derivatives instead, confirmed by X-ray crystallography. Inversion of the polarity of the cyclization avoids the rearrangement and affords the desired products. Preliminary kinetic studies suggest that 2,4-diazaphenothiazines and diazaphenoxazines, but not the 1,3-diaza isomers, are remarkably potent radical-trapping antioxidants...
March 28, 2017: Organic Letters
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