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https://www.readbyqxmd.com/read/29454792/clinical-and-genomic-correlates-of-neutrophil-reactive-oxygen-species-production-in-pediatric-patients-with-crohn-s-disease
#1
Lee A Denson, Ingrid Jurickova, Rebekah Karns, Kelly A Shaw, David J Cutler, David Okou, Anne Dodd, Kathryn Quinn, Kajari Mondal, Bruce J Aronow, Yael Haberman, Aaron Linn, Adam Price, Ramona Bezold, Kathleen Lake, Kimberly Jackson, Thomas D Walters, Anne Griffiths, Robert N Baldassano, Joshua D Noe, Jeffrey S Hyams, Wallace V Crandall, Barbara S Kirschner, Melvin B Heyman, Scott Snapper, Stephen L Guthery, Marla C Dubinsky, Neal S Leleiko, Anthony R Otley, Ramnik J Xavier, Christine Stevens, Mark J Daly, Michael E Zwick, Subra Kugathasan
BACKGROUND & AIMS: Individuals with monogenic disorders of phagocyte function develop chronic colitis that resembles Crohn's Disease (CD). We tested for associations between mutations in genes encoding NADPH oxidases, neutrophil function, and phenotypes of CD in pediatric patients. METHODS: We performed whole-exome sequence analysis to identify mutations in genes encoding NADPH oxidases (such as CYBA, CYBB, NCF1, NCF2, NCF4, RAC1, and RAC2) using DNA from 543 pediatric patients with inflammatory bowel diseases...
February 15, 2018: Gastroenterology
https://www.readbyqxmd.com/read/29454268/occurrence-and-distribution-of-antibiotics-in-mariculture-farms-estuaries-and-the-coast-of-the-beibu-gulf-china-bioconcentration-and-diet-safety-of-seafood
#2
Ruiling Zhang, Jiying Pei, Ruijie Zhang, Shaopeng Wang, Weibin Zeng, Dali Huang, Yi Wang, Yuanyuan Zhang, Yinghui Wang, Kefu Yu
The occurrence, distribution, bioconcentration and diet safety via seafood consumption of 19 antibiotics were investigated in eight closed mariculture ponds, four estuaries, two nearshore areas and one offshore area from the Beibu Gulf. Seventeen, 16, 15 and 7 antibiotics were detected at total concentrations of 43.2 - 885 ng L -1 , 22.4 - 118 ng L -1 , 22.7 - 24.5 ng L -1 , and 1.81-3.23 ng L -1 in the water of the above different areas, respectively. This indicates that the mariculture ponds are important sources of antibiotic pollution on the coast of the Beibu Gulf...
February 14, 2018: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29454004/identification-and-analysis-of-peanut-specific-t-effector-and-t-regulatory-cells-in-children-allergic-and-tolerant-to-peanut
#3
Katherine A Weissler, Marjohn Rasooly, Tom DiMaggio, Hyejeong Bolan, Daly Cantave, David Martino, Melanie R Neeland, Mimi Lk Tang, Thanh D Dang, Katrina J Allen, Pamela A Frischmeyer-Guerrerio
BACKGROUND: Peanut allergy is potentially life-threatening and generally persists lifelong. Recent data suggests the skin may be an important route of initial sensitization to peanut, while early oral exposure to peanut is protective. In mice, T regulatory cells (Tregs) are central to development of tolerance to food, but their contribution to the pathogenesis of food allergy in humans is less clear. OBJECTIVE: We sought to quantify and phenotype peanut-specific CD4+ T effector (ps-Teff) and ps-Tregs in children with and without peanut allergy or sensitization...
February 14, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29450767/epididymo-orchitis-caused-by-enteric-organisms-in-men-35-years-old-beyond-fluoroquinolones
#4
REVIEW
Laura Ryan, Padraig Daly, Ivor Cullen, Maeve Doyle
Epididymo-orchitis is a common urological condition in men of all ages, causing a unilateral or bilateral swelling of the epididymis and/or testis. It is frequently caused by sexually transmitted infections, Chlamydia trachomatis and Neisseria gonorrheae, as well as common enteric organisms implicated in urinary tract infections. Men over 35 years old may develop epididymo-orchitis associated with enteric organisms, often associated with functional bladder outlet problems such as benign prostatic hyperplasia or urethral stricture disease...
February 15, 2018: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/29449354/high-resolution-infrared-thermography-of-esophageal-temperature-during-radiofrequency-ablation-of-atrial-fibrillation
#5
Matthew G Daly, Iain Melton, Graham Roper, Gary Lim, Ian G Crozier
BACKGROUND: Catheter ablation for atrial fibrillation has potential to cause esophageal thermal injury. Esophageal temperature monitoring during ablation is commonly used; however, it has not eliminated thermal injuries, possibly because conventional sensors have poor spatial sampling and response characteristics. To enhance understanding of temperature dynamics that may underlie esophageal injury, we tested a high-resolution, intrabody, infrared thermography catheter to continuously image esophageal temperatures during ablation...
February 2018: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/29447962/low-molecular-weight-fucoidan-attenuates-liver-injury-via-sirt1-ampk-pgc1%C3%AE-axis-in-db-db-mice
#6
Yuanyuan Zheng, Tiantian Liu, Zhiqiang Wang, Yang Xu, Quanbin Zhang, Dali Luo
Non-alcoholic fatty-liver disease (NAFLD), caused by elevated hepatic lipids, inflammation and oxidative stress, is the most common liver disease globally. Low molecular weight fucoidan (LMWF), a sulfated polysaccharide extracted from brown seaweeds, has shown strong anti-inflammatory and antioxidant activities, which has not been explored in diabetes-induced NAFLD. Therefore, the present study sought to determine whether LMWF protects obese diabetic db/db mice against NAFLD. Results showed LMWF administration decreased plasma level of alanine aminotransferase, aspartate aminotransferase, total cholesterol, and triglyceride, as well as alleviated hepatic accumulation of triglyceride and total cholesterol in db/db mice...
February 12, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29447176/cost-effectiveness-of-prenatal-food-and-micronutrient-interventions-on-under-five-mortality-and-stunting-analysis-of-data-from-the-minimat-randomized-trial-bangladesh
#7
Pernilla Svefors, Katarina Ekholm Selling, Rubina Shaheen, Ashraful Islam Khan, Lars-Åke Persson, Lars Lindholm
INTRODUCTION: Nutrition interventions may have favourable as well as unfavourable effects. The Maternal and Infant Nutrition Interventions in Matlab (MINIMat), with early prenatal food and micronutrient supplementation, reduced infant mortality and were reported to be very cost-effective. However, the multiple micronutrients (MMS) supplement was associated with an increased risk of stunted growth in infancy and early childhood. This unfavourable outcome was not included in the previous cost-effectiveness analysis...
2018: PloS One
https://www.readbyqxmd.com/read/29446811/nosocomial-infections-current-situation-in-a-resuscitation-unit
#8
Ahlem Trifi, Sami Abdellatif, Mouna Oueslati, Meriem Zribi, Foued Daly, Rochdi Nasri, Rahma Mannai, Chadlia Fandri, Salah Ben Lakhal
BACKGROUND: The nosocomial infection (NI) is defined as an infection that is not present or incubating on admission in establishment of care. It can be caused by the patient's germs, care personnel or hospital environment. Multidrug resistant (MDR) bacteria are particularly common in intensive care units that lead to a serious infections and increase morbidity, mortality and cost of care. PURPOSE: To identify the epidemiological characteristics of NI, the predisposing factors, the antimicrobial sensitivity pattern of isolated bacteria and the impact on morbidity and mortality...
March 2017: La Tunisie Médicale
https://www.readbyqxmd.com/read/29445275/burden-of-copd-in-nepal
#9
Tara Ballav Adhikari, Dinesh Neupane, Per Kallestrup
Background: COPD is a globally significant public health problem and is the second leading cause of mortality. This study presents the health burden of COPD in Nepal using the Global Burden of Disease (GBD) study 2016 dataset. Methods: This study used the data from the GBD repository presenting morbidity and mortality attributed to COPD, by sex and age. In GBD 2016, due to a lack of the primary source of data in Nepal, estimations on morbidity and mortality of COPD were based on its predictive covariates...
2018: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/29443757/various-surgical-techniques-to-create-an-aesthetic-appearance-at-the-donor-site-of-anterolateral-thigh-free-flaps-based-on-the-oblique-branch-twenty-one-clinical-case-reports
#10
Chengliang Deng, Hai Li, Zairong Wei, Wenhu Jin, Kaiyu Nie, Shujun Li, Bihua Wu, Dali Wang
RATIONALE: Reducing the morbidity associated with anterolateral thigh (ALT) donor sites by performing aesthetic restoration has become a popular research topic. Various surgical techniques have been developed allowing for direct closure of the donor site. However, closure techniques for ALT donor sites based on the oblique branch have not been systematically reported. PATIENT CONCERNS: Data from 21 patients (18 males, 3 females) undergoing operative reconstruction with an ALT free flap between January 2016 and December 2016...
February 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29442072/cortical-excitability-correlates-with-the-event-related-desynchronization-during-brain-computer-interface-control
#11
Ian Daly, Caroline Blanchard, Nicholas P Holmes
OBJECTIVE: Brain-computer interfaces (BCIs) based on motor control have been suggested as tools for stroke rehabilitation. Some initial successes have been achieved with this approach, however the mechanism by which they work is not yet fully understood. One possible part of this mechanism is a, previously suggested, relationship between the strength of the event-related desynchronization (ERD), a neural correlate of motor imagination and execution, and corticospinal excitability. Additionally, a key component of BCIs used in neurorehabilitation is the provision of visual feedback to positively reinforce attempts at motor control...
February 14, 2018: Journal of Neural Engineering
https://www.readbyqxmd.com/read/29440449/impact-of-the-anti-cancer-drug-nt157-on-tyrosine-kinase-signalling-networks
#12
Shih-Ping Su, Efrat Flashner-Abramson, Shoshana Klein, Mor Gal, Rachel S Lee, Jianmin Wu, Alexander Levitzki, Roger J Daly
The small molecule drug NT157 has demonstrated promising efficacy in pre-clinical models of a number of different cancer types, reflecting activity against both cancer cells and the tumour microenvironment. Two known mechanisms of action are degradation of insulin-receptor substrates (IRS)-1/2, and reduced Stat3 activation, although it is possible that others exist. In order to interrogate the effects of this drug on cell signalling pathways in an unbiased manner, we have undertaken mass spectrometry-based global tyrosine phosphorylation profiling of NT157-treated A375 melanoma cells...
February 12, 2018: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/29438799/lig4-4-selectively-inhibits-trek-1-and-plays-potent-neuroprotective-roles-in-vitro-and-in-rat-mcao-model
#13
Weiping Wang, Dongmei Liu, Qiong Xiao, Jie Cai, Nan Feng, Shaofeng Xu, Ling Wang, Dali Yin, Xiaoliang Wang
Two-pore domain potassium channel TREK-1 was known to play an important role in neuroprotection, especially in acute cerebral ischemia. In the present study we found that 3-(nitromethyl) isobenzofuran-1(3H)-one (lig4-4) could robustly inhibit TREK-1 currents with an IC 50 of 2.06 μM. However, the IC 50 of lig4-4 for other ion channel subtypes such as Kv2.1, Kv1.5, Kv3.1, hERG and neuronal Na + and Ca 2+ channels were more than 30 μM, suggesting a specific inhibition of TREK-1 channel. MTT assay showed that lig4-4 significantly enhanced cell viability of cultured neurons under the condition of oxygen and glucose deprivation followed by reoxygenation (OGD/R)...
February 10, 2018: Neuroscience Letters
https://www.readbyqxmd.com/read/29436922/breast-cancer-family-history-and-allele-specific-dna-methylation-in-the-legacy-girls-study
#14
Hui-Chen Wu, Catherine Do, Irene L Andrulis, Esther M John, Mary B Daly, Saundra S Buys, Wendy K Chung, Julia A Knight, Angela R Bradbury, Theresa H M Keegan, Lisa Schwartz, Izabela Krupska, Rachel L Miller, Regina M Santella, Benjamin Tycko, Mary Beth Terry
Family history, a well-established risk factor for breast cancer, can have both genetic and environmental contributions. Shared environment in families as well as epigenetic changes that also may be influenced by shared genetics and environment may also explain familial clustering of cancers. Epigenetic regulation, such as DNA methylation, can change the activity of a DNA segment without a change in the sequence; environmental exposures experienced across the life course can induce such changes. However, genetic-epigenetic interactions, detected as methylation quantitative trait loci (mQTLs; a...
February 13, 2018: Epigenetics: Official Journal of the DNA Methylation Society
https://www.readbyqxmd.com/read/29434499/determination-of-macro-scale-soil-properties-from-pore-scale-structures-model-derivation
#15
K R Daly, T Roose
In this paper, we use homogenization to derive a set of macro-scale poro-elastic equations for soils composed of rigid solid particles, air-filled pore space and a poro-elastic mixed phase. We consider the derivation in the limit of large deformation and show that by solving representative problems on the micro-scale we can parametrize the macro-scale equations. To validate the homogenization procedure, we compare the predictions of the homogenized equations with those of the full equations for a range of different geometries and material properties...
January 2018: Proceedings. Mathematical, Physical, and Engineering Sciences
https://www.readbyqxmd.com/read/29433665/global-disability-adjusted-life-year-estimates-of-long-term-health-burden-and-undernutrition-attributable-to-diarrhoeal-diseases-in-children-younger-than-5-years
#16
Christopher Troeger, Danny V Colombara, Puja C Rao, Ibrahim A Khalil, Alexandria Brown, Thomas G Brewer, Richard L Guerrant, Eric R Houpt, Karen L Kotloff, Kavita Misra, William A Petri, James Platts-Mills, Mark S Riddle, Scott J Swartz, Mohammad H Forouzanfar, Robert C Reiner, Simon I Hay, Ali H Mokdad
BACKGROUND: Diarrhoea is a leading cause of death and illness globally among children younger than 5 years. Mortality and short-term morbidity cause substantial burden of disease but probably underestimate the true effect of diarrhoea on population health. This underestimation is because diarrhoeal diseases can negatively affect early childhood growth, probably through enteric dysfunction and impaired uptake of macronutrients and micronutrients. We attempt to quantify the long-term sequelae associated with childhood growth impairment due to diarrhoea...
March 2018: Lancet Global Health
https://www.readbyqxmd.com/read/29432987/3d-printed-microchannel-networks-to-direct-vascularisation-during-endochondral-bone-repair
#17
Andrew C Daly, Pierluca Pitacco, Jessica Nulty, Gráinne M Cunniffe, Daniel J Kelly
Bone tissue engineering strategies that recapitulate the developmental process of endochondral ossification offer a promising route to bone repair. Clinical translation of such endochondral tissue engineering strategies will require overcoming a number of challenges, including the engineering of large and often anatomically complex cartilage grafts, as well as the persistence of core regions of avascular cartilage following their implantation into large bone defects. Here 3D printing technology is utilized to develop a versatile and scalable approach to guide vascularisation during endochondral bone repair...
February 1, 2018: Biomaterials
https://www.readbyqxmd.com/read/29432199/effect-of-a-combination-of-flip-and-zooming-stimuli-on-the-performance-of-a-visual-brain-computer-interface-for-spelling
#18
Jiao Cheng, Jing Jin, Ian Daly, Yu Zhang, Bei Wang, Xingyu Wang, Andrzej Cichocki
Brain-computer interface (BCI) systems can allow their users to communicate with the external world by recognizing intention directly from their brain activity without the assistance of the peripheral motor nervous system. The P300-speller is one of the most widely used visual BCI applications. In previous studies, a flip stimulus (rotating the background area of the character) that was based on apparent motion, suffered from less refractory effects. However, its performance was not improved significantly. In addition, a presentation paradigm that used a "zooming" action (changing the size of the symbol) has been shown to evoke relatively higher P300 amplitudes and obtain a better BCI performance...
February 13, 2018: Biomedizinische Technik. Biomedical Engineering
https://www.readbyqxmd.com/read/29431786/a-suzuki-miyaura-method-for-labelling-proliferating-cells-containing-incorporated-brdu
#19
Ning Yan, Yujun He, Hui Wen, Fangfang Lai, Dali Yin, Huaqing Cui
The 5-bromo-2'-deoxyuridine (BrdU) incorporation cell proliferation assay is the most commonly used method for assessing DNA replication. The current detection of BrdU in cells relies on antibody immunostaining, but has various limitations including low antibody specificity and poor tissue penetration. In this study, we utilised a Suzuki-Miyaura reaction to develop a chemical method to label cellular BrdU with fluorescent boronic acid probes. The coupling conditions were optimised for complex cellular environments, and the key observation was the need to use oxygen scavengers and zerovalent palladium to prevent side reactions and increase the rate of coupling...
February 12, 2018: Analyst
https://www.readbyqxmd.com/read/29431231/defining-primary-care-shortage-areas-do-gis-based-measures-yield-different-results
#20
Michael R Daly, Jennifer M Mellor, Marco Millones
PURPOSE: To examine whether geographic information systems (GIS)-based physician-to-population ratios (PPRs) yield determinations of geographic primary care shortage areas that differ from those based on bounded-area PPRs like those used in the Health Professional Shortage Area (HPSA) designation process. METHODS: We used geocoded data on primary care physician (PCP) locations and census block population counts from 1 US state to construct 2 shortage area indicators...
February 12, 2018: Journal of Rural Health
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