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https://www.readbyqxmd.com/read/29793212/should-we-excise-are-there-any-clinical-or-histologic-features-that-predict-upgrade-in-papillomas-incidental-or-non-incidental
#1
Michael Zaleski, Yun An Chen, Alison L Chetlen, Julie Mack, Liyan Xu, Daleela G Dodge, Dipti M Karamchandani
The clinical decision to excise intraductal papilloma (IDP) without atypia diagnosed on biopsy remains controversial. We sought to establish clinical and histologic predictors (if any) which may predict upgrade in IDP. 296 biopsies (in 278 women) with histologic diagnosis of IDP without atypia were retrospectively identified and placed into Incidental (no corresponding imaging correlate), or Non-incidental (positive imaging correlate) groups. 253/296 (85.5%) cases were non-incidental, and 43/296 (14.5%) were incidental...
May 11, 2018: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29793208/enhanced-phosphate-removal-from-wastewater-by-using-in-situ-generated-fresh-trivalent-fe-composition-through-the-interaction-of-fe-ii-on-caco-3
#2
Yujie Li, Xiaoman He, Huimin Hu, Tingting Zhang, Jun Qu, Qiwu Zhang
Excessive existences of nutrients such as phosphate in the aqueous environment remain as a heavy concern although many researches have been reported for dealing with their removal. Based on the understanding toward the interactions of Fe compounds with phosphate and carbonate from many available researches, we designed a very simple and efficient approach for phosphate removal by using in situ generated fresh trivalent Fe composition through the interaction of Fe(II) as FeSO4 on CaCO3 . Addition and agitation of Fe(II) and CaCO3 simultaneously to phosphate solution allowed an amorphous Fe(III)-P or Ca-Fe(III)-P precipitation, with a phosphate removal rate close to 100%, to reduce the residual phosphorus concentration less than 0...
May 21, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29793206/effects-on-the-hepatic-transcriptome-of-chicken-embryos-in-ovo-exposed-to-phenobarbital
#3
Jiahua Guo, Shohei Ito, Hoa Thanh Nguyen, Kimika Yamamoto, Hisato Iwata
This work aimed at evaluating the toxic effects of in ovo exposure to phenobarbital (PB) and unveiling the mode of action by transcriptome analysis in the embryonic liver of a model avian species, chicken (Gallus gallus). Embryos were initially treated with saline or 1 μg PB /g egg at Hamburger Hamilton Stage (HHS) 1 (1st day), followed by 20 days of incubation to HHS 46. At 21st day, chicks that pipped successfully were euthanized and dissected for assessing the PB caused effects on phenotypes and the liver transcriptome in both genders...
May 21, 2018: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29793197/association-of-low-moderate-urine-arsenic-and-qt-interval-cross-sectional-and-longitudinal-evidence-from-the-strong-heart-study
#4
Katherine A Moon, Yiyi Zhang, Eliseo Guallar, Kevin A Francesconi, Walter Goessler, Jason G Umans, Lyle G Best, Barbara V Howard, Richard B Devereux, Peter M Okin, Ana Navas-Acien
Epidemiologic studies suggest that chronic exposure to arsenic is related to cardiovascular disease (CVD), but the pathophysiological link remains uncertain. We evaluated the association of chronic low-moderate arsenic exposure and arsenic metabolism with baseline difference and annual change in ECG measures (QT interval, JT interval, PR interval, QRS duration, and QT dispersion) using linear mixed models in the Strong Heart Study main cohort (N = 1174, median age 55 years) and family study (N = 1695 diabetes-free, median age 36 years)...
May 21, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29793181/exogenously-applied-spermidine-alleviates-photosynthetic-inhibition-under-drought-stress-in-maize-zea-mays-l-seedlings-associated-with-changes-in-endogenous-polyamines-and-phytohormones
#5
Lijie Li, Wanrong Gu, Jing Li, Congfeng Li, Tenglong Xie, Danyang Qu, Yao Meng, Caifeng Li, Shi Wei
Drought stress (DS) is a major environmental factor limiting plant growth and crop productivity worldwide. It has been established that exogenous spermidine (Spd) stimulates plant tolerance to DS. The effects of exogenous Spd on plant growth, photosynthetic performance, and chloroplast ultrastructure as well as changes in endogenous polyamines (PAs) and phytohormones were investigate in DS-resistant (Xianyu 335) and DS-sensitive (Fenghe 1) maize seedlings under well-watered and DS treatments. Exogenous Spd alleviated the stress-induced reduction in growth, photosynthetic pigment content, photosynthesis rate (Pn ) and photochemical quenching (qP ) parameters, including the maximum photochemistry efficiency of photosystem II (PSII) (Fv /Fm ), PSII operating efficiency (ФPSII), and qP coefficient...
May 15, 2018: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/29793176/non-ldl-dyslipidemia-is-prevalent-in-the-young-and-determined-by-lifestyle-factors-and-age-the-lifelines-cohort
#6
Jeroen K de Vries, Jan W Balder, Michelle J Pena, Petra Denig, Andries J Smit
BACKGROUND AND AIMS: Non-LDL dyslipidemia (NLD) confers cardiovascular risk, and prevalence rates appear to be high in elderly populations. Small cohorts have identified several lifestyle, anthropometric, and medical factors associated with NLD. We aimed to assess sex- and age-specific prevalence of NLD in a contemporary population cohort (n = 167 729), and to identify independent determinants of NLD, focusing on lifestyle, anthropometric, and medical factors. METHODS: The prevalence of NLD was assessed per 10-year age intervals in adults without cardiovascular disease not using lipid-modifying drugs from the Dutch LifeLines cohort...
May 21, 2018: Atherosclerosis
https://www.readbyqxmd.com/read/29793167/improvement-of-neuronal-differentiation-by-carbon-monoxide-role-of-pentose-phosphate-pathway
#7
Ana S Almeida, Nuno L Soares, Catarina O Sequeira, Sofia A Pereira, Ursula Sonnewald, Helena L A Vieira
Over the last decades, the silent-killer carbon monoxide (CO) has been shown to also be an endogenous cytoprotective molecule able to inhibit cell death and modulate mitochondrial metabolism. Neuronal metabolism is mostly oxidative and neurons also use glucose for maintaining their anti-oxidant status by generation of reduced glutathione (GSH) via the pentose-phosphate pathway (PPP). It is established that neuronal differentiation depends on reactive oxygen species (ROS) generation and signalling, however there is a lack of information about modulation of the PPP during adult neurogenesis...
May 15, 2018: Redox Biology
https://www.readbyqxmd.com/read/29793161/exposure-of-microcystis-aeruginosa-to-hydrogen-peroxide-and-titanium-dioxide-under-visible-light-conditions-modeling-the-impact-of-hydrogen-peroxide-and-hydroxyl-radical-on-cell-rupture-and-microcystin-degradation
#8
Che-Wei Chang, Xiangchen Huo, Tsair-Fuh Lin
The aims of this study are to evaluate, under visible light conditions, the ability of H2 O2 and TiO2 to produce OH, their quantitative impacts on the cell integrity of Microcystis, and the subsequent release and degradation of microcystins (MCs). A sequential reaction model was developed, including one sub-model to simulate the rupture kinetics for cell integrity of Microcystis, and another to describe the release and degradation of MCs. For cell rupture, the dual-oxidant Delayed Chick-Watson model (DCWM) and dual-oxidant Hom model (HM) were first proposed and developed, giving excellent simulation results of cell rupture kinetics...
May 14, 2018: Water Research
https://www.readbyqxmd.com/read/29793157/energy-dissipation-in-quasi-linear-viscoelastic-tissues-cells-and-extracellular-matrix
#9
Behzad Babaei, A J Velasquez-Mao, Kenneth M Pryse, William B McConnaughey, Elliot L Elson, Guy M Genin
Characterizing how a tissue's constituents give rise to its viscoelasticity is important for uncovering how hidden timescales underlie multiscale biomechanics. These constituents are viscoelastic in nature, and their mechanics must typically be assessed from the uniaxial behavior of a tissue. Confounding the challenge is that tissue viscoelasticity is typically associated with nonlinear elastic responses. Here, we experimentally assessed how fibroblasts and extracellular matrix (ECM) within engineered tissue constructs give rise to the nonlinear viscoelastic responses of a tissue...
May 21, 2018: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29793151/effect-of-two-months-whole-body-vibration-on-hoof-growth-rate-in-the-horse-a-pilot-study
#10
Bart Tom Halsberghe
Hoof problems are commonly seen in veterinary practice and manipulation of hoof growth rate can be practical and beneficial for that matter. The purpose of this research was to evaluate the effect of whole body vibration (WBV) on hoof growth rate of front feet in the horse. The study was an experimental, single subject, repeated measure design, with all horses serving as control and treatment. Ten horses were subject to WBV, 30 min, twice daily, five days a week, for 60 days in addition to their regular exercise routine...
May 16, 2018: Research in Veterinary Science
https://www.readbyqxmd.com/read/29793139/the-use-of-low-intensity-pulsed-ultrasound-in-treating-delayed-union-of-fifth-metatarsal-fractures
#11
Kar Hao Teoh, Robert Whitham, Jenny F Wong, Kartik Hariharan
BACKGROUND: There are no studies looking at the success rate of low-intensity pulsed ultrasound (LIPUS) in fifth metatarsal fracture delayed unions to our knowledge. The aim of this study is to investigate the use of LIPUS treatment for delayed union of fifth metatarsal fractures. METHODS: A retrospective review of patients who were treated with LIPUS following a delayed union of fifth metatarsal fracture was conducted over a three-year period. RESULTS: There were thirty patients (9 males, 21 females) in this cohort...
January 31, 2018: Foot
https://www.readbyqxmd.com/read/29793137/3-o-sulfation-of-heparin-leads-to-hepatotropism-and-longer-circulatory-half-life
#12
Colton M Miller, Yongmei Xu, Katrina M Kudrna, Blake E Hass, Brianna M Kellar, Andrew W Egger, Jian Liu, Edward N Harris
INTRODUCTION: Heparins are common blood anticoagulants that are critical for many surgical and biomedical procedures used in modern medicine. In contrast to natural heparin derived from porcine gut mucosa, synthetic heparins are homogenous by mass, polymer length, and chemistry. MATERIALS & METHODS: Stable cell lines expressing the human and mouse Stabilin receptors were used to evaluate endocytosis of natural and synthetic heparin. We chemoenzymatically produced synthetic heparin consisting of 12 sugars (dodecamers) containing 14 sulfate groups resulting in a non-3-O sulfated structure (n12mer)...
May 17, 2018: Thrombosis Research
https://www.readbyqxmd.com/read/29793130/anxiety-memories-and-coping-in-patients-undergoing-intracranial-tumor-surgery
#13
Tom J van Ark, Markus Klimek, Peter de Smalen, Arnaud J P E Vincent, Robert Jan Stolker
OBJECTIVES: The diagnosis and the surgical removal of a brain tumor can have serious impact on the quality of life of a patient. The question rises, whether having more or just less memories of the procedure is better for coping with such an event. Furthermore, for preoperative information of future patients it is important to know how patients process their emotions and memories. The primary objective of this study was to investigate the link between preoperative anxiety, the perioperative experience and the quantity and quality of postoperative memories in patients who underwent intracranial tumor surgery...
May 17, 2018: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29793128/convolutional-neural-networks-for-seizure-prediction-using-intracranial-and-scalp-electroencephalogram
#14
Nhan Duy Truong, Anh Duy Nguyen, Levin Kuhlmann, Mohammad Reza Bonyadi, Jiawei Yang, Samuel Ippolito, Omid Kavehei
Seizure prediction has attracted growing attention as one of the most challenging predictive data analysis efforts to improve the life of patients with drug-resistant epilepsy and tonic seizures. Many outstanding studies have reported great results in providing sensible indirect (warning systems) or direct (interactive neural stimulation) control over refractory seizures, some of which achieved high performance. However, to achieve high sensitivity and a low false prediction rate, many of these studies relied on handcraft feature extraction and/or tailored feature extraction, which is performed for each patient independently...
May 7, 2018: Neural Networks: the Official Journal of the International Neural Network Society
https://www.readbyqxmd.com/read/29793121/head-coaches-attitudes-towards-injury-prevention-and-use-of-related-methods-in-professional-basketball-a-survey
#15
J Wilke, D Niederer, L Vogt, W Banzer
OBJECTIVES: To investigate the practices and attitudes of professional basketball head coaches towards injury prevention. DESIGN: Survey. SETTING: Elite-level basketball. PARTICIPANTS: Head coaches of all 366 German professional teams. MAIN OUTCOME MEASURES: Use of injury risk screening methods, rated importance of different musculoskeletal injuries and rated effectiveness of preventive interventions...
April 17, 2018: Physical Therapy in Sport
https://www.readbyqxmd.com/read/29793109/17%C3%AE-estradiol-as-precursors-of-cl-br-dbps-in-the-disinfection-process-of-different-water-samples
#16
Yanan Shao, Zihan Pan, Chuan Rong, Yinghui Wang, Hongxiang Zhu, Yuanyuan Zhang, Kefu Yu
During chlorine disinfection process, reactions between the disinfectant and 17β-estradiol (E2) lead to the formation of halogenated disinfection byproducts (DBPs) which can be a risk to both ecosystem and human health. The degradation and transformation products of E2 in sodium hypochlorite (NaClO) disinfection processes of different water samples were investigated. The reaction kinetics research showed that the degradation rates of E2 were considerably dependent on the initial pH value and the types of water samples...
May 21, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29793104/uptake-elimination-and-biotransformation-of-n-ethyl-perfluorooctane-sulfonamide-n-etfosa-by-the-earthworms-eisenia-fetida-after-in-vivo-and-in-vitro-exposure
#17
Shuyan Zhao, Bohui Wang, Lingyan Zhu, Tiankun Liang, Meng Chen, Liping Yang, Jingping Lv, Lifen Liu
N-ethyl perfluorooctane sulfonamide (N-EtFOSA) is commonly known as the active ingredient of sulfluramid. It can be degraded to perfluorooctane sulfonic acid (PFOS) in biota and environment. Earthworms (Eisenia fetida) were exposed with N-EtFOSA to examine the bioaccumulation, elimination and metabolism of N-EtFOSA by the earthworms after in vivo and in vitro exposure. N-EtFOSA could be biodegraded in quartz sands to perfluorooctane sulfonamide (FOSA) and PFOS. In the in vivo tests, in addition to parent N-EtFOSA, three metabolites, including perfluorooctane sulfonamide acetate (FOSAA), FOSA and PFOS also accumulated in earthworms as a result of N-EtFOSA biotransformation, with FOSA as the predominant metabolite...
May 21, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29793091/effects-of-surface-modification-of-as-2-o-3-loaded-plga-nanoparticles-on-its-anti-liver-cancer-ability-an-in-vitro-and-in-vivo-study
#18
Xiaoli Song, Juan You, Hongxia Shao, Caifeng Yan
As2 O3 -loaded nanoparticles (NPs) based on poly (lactic-co-glycolic acid) (PLGA) were prepared by double emulsion-solvent evaporation method. Then Lactose acid (LA) and/or PEG were modified onto the NPs by chemical covalent coupling through -NH2 and -COOH. The FTIR results showed that LA and PEG could be successfully modified onto the surface of the NPs. All the As2 O3 -loaded PLGA NPs (As2 O3 @PLGA NPs) presented suitable physical stability, favorable size, and spherical shape. The in vitro release rate of As2 O3 from the NPs depended on the surface of the NPs...
May 21, 2018: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29793078/comparison-of-performance-based-assessment-and-real-world-skill-in-people-with-serious-mental-illness-ecological-validity-of-the-test-of-grocery-shopping-skills
#19
Laura A Faith, Melisa V Rempfer
Valid functional measures are essential for clinical and research efforts that address recovery and community functioning in people with serious mental illness. Although there is a great deal of interest in functional assessment, there is limited research supporting how well current evaluation methods provide a true assessment of real world functioning or naturalistic behavior. To address this gap in the literature, the present study examined the performance of individuals with serious mental illness (i.e., diagnosis of schizophrenia-spectrum, bipolar disorder, or other depression/anxiety diagnoses and accompanying functional disability) on the Test of Grocery Shopping Skills (TOGSS), a performance-based naturalistic task...
May 7, 2018: Psychiatry Research
https://www.readbyqxmd.com/read/29793053/aggressive-fluid-and-sodium-restriction-in-decompensated-heart-failure-with-preserved-ejection-fraction-results-from-a-randomized-clinical-trial
#20
Karina Sanches Machado d'Almeida, Eneida Rejane Rabelo-Silva, Gabriela Corrêa Souza, Melina Maria Trojahn, Sofia Louise Santin Barilli, Graziella Aliti, Luís Eduardo Rohde, Andreia Biolo, Luís Beck-da-Silva
OBJECTIVES: Sodium and fluid restriction is commonly prescribed for heart failure patients. However, its role in the treatment of heart failure with preserved ejection fraction (HFpEF) remains unclear. The aim of this study was to compare the effect of a diet with sodium and fluid restriction with an unrestricted diet in patients admitted for decompensated HFpEF. METHODS: Patients were randomized to a diet with sodium (0.8 g/d) and fluid (800 mL/d) restriction (intervention group [IG]) or an unrestricted diet (control group [CG]) and followed for 7 d or hospital discharge...
March 21, 2018: Nutrition
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