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https://www.readbyqxmd.com/read/28432185/exogenous-cushing-s-syndrome-due-to-a-chinese-herbalist-s-prescription-of-ointment-containing-dexamethasone
#1
Viola Franke, Winnie Francien Scholtens, Ines Alexandra von Rosenstiel, Marie Jose Walenkamp
Eczema in children is a chronic disabling condition. The impact of this condition on the lives of families is often underestimated by conventional physicians. As a consequence parents may investigate complementary treatment options. Close monitoring by a paediatrician is essential, considering that a variety of adverse effects can occur during the use of complementary treatment. We present a 5-year-old girl with eczema. She visited a Chinese herbalist who prescribed an ointment. The parents noticed that the eczema resolved fast, itching decreased and she was finally sleeping well...
April 20, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28431360/contrasting-dual-c-cl-isotope-fractionation-offers-potential-to-distinguish-reductive-chloroethene-transformation-from-breakdown-by-permanganate
#2
Eylem Doğan-Subaşı, Martin Elsner, Shiran Qiu, Stefan Cretnik, Siavash Atashgahi, Orfan Shouakar-Stash, Nico Boon, Winnie Dejonghe, Leen Bastiaens
cis-1,2-Dichloroethene (cis-DCE) and trichloroethene (TCE) are persistent, toxic and mobile pollutants in groundwater systems. They are both conducive to reductive dehalogenation and to oxidation by permanganate. In this study, the potential of dual element (C, Cl) compound specific isotope analyses (CSIA) for distinguishing between chemical oxidation and anaerobic reductive dechlorination of cis-DCE and TCE was investigated. Well-controlled cis-DCE degradation batch tests gave similar carbon isotope enrichment factors εC (‰), but starkly contrasting dual element isotope slopes Δδ(13)C/Δδ(37)Cl for permanganate oxidation (εC=-26‰±6‰, Δδ(13)C/Δδ(37)Cl≈-125±47) compared to reductive dechlorination (εC=-18‰±4‰, Δδ(13)C/Δδ(37)Cl≈4...
April 18, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28427365/association-between-fc%C3%AE-receptor-iia-iiia-and-iiib-genetic-polymorphisms-and-susceptibility-to-severe-malaria-anemia-in-children-in-western-kenya
#3
Elly O Munde, Winnie A Okeyo, Evans Raballah, Samuel B Anyona, Tom Were, John M Ong'echa, Douglas J Perkins, Collins Ouma
BACKGROUND: Naturally-acquired immunity to Plasmodium falciparum malaria develops after several episodes of infection. Fc gamma receptors (FcγRs) bind to immunoglobulin G (IgG) antibodies and mediate phagocytosis of opsonized microbes, thereby, linking humoral and cellular immunity. FcγR polymorphisms influence binding affinity to IgGs and consequently, can influence clinical malaria outcomes. Specifically, variations in FcγRIIA -131Arg/His, FcγRIIIA-176F/V and FcγRIIIB-NA1/NA2 modulate immune responses through altered binding preferences to IgGs and immune complexes...
April 20, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28427357/haplotype-of-non-synonymous-mutations-within-il-23r-is-associated-with-susceptibility-to-severe-malaria-anemia-in-a-p-falciparum-holoendemic-transmission-area-of-kenya
#4
Elly O Munde, Evans Raballah, Winnie A Okeyo, John M Ong'echa, Douglas J Perkins, Collins Ouma
BACKGROUND: Improved understanding of the molecular mechanisms involved in pediatric severe malarial anemia (SMA) pathogenesis is a crucial step in the design of novel therapeutics. Identification of host genetic susceptibility factors in immune regulatory genes offers an important tool for deciphering malaria pathogenesis. The IL-23/IL-17 immune pathway is important for both immunity and erythropoiesis via its effects through IL-23 receptors (IL-23R). However, the impact of IL-23R variants on SMA has not been fully elucidated...
April 20, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28426005/antarctic-ice-shelf-potentially-stabilized-by-export-of-meltwater-in-surface-river
#5
Robin E Bell, Winnie Chu, Jonathan Kingslake, Indrani Das, Marco Tedesco, Kirsty J Tinto, Christopher J Zappa, Massimo Frezzotti, Alexandra Boghosian, Won Sang Lee
Meltwater stored in ponds and crevasses can weaken and fracture ice shelves, triggering their rapid disintegration. This ice-shelf collapse results in an increased flux of ice from adjacent glaciers and ice streams, thereby raising sea level globally. However, surface rivers forming on ice shelves could potentially export stored meltwater and prevent its destructive effects. Here we present evidence for persistent active drainage networks-interconnected streams, ponds and rivers-on the Nansen Ice Shelf in Antarctica that export a large fraction of the ice shelf's meltwater into the ocean...
April 19, 2017: Nature
https://www.readbyqxmd.com/read/28425640/profiling-of-the-silica-induced-molecular-events-in-lung-epithelial-cells-using-the-rna-seq-approach
#6
Judy Y W Chan, Joseph C C Tsui, Patrick T W Law, Winnie K W So, Doris Y P Leung, Michael M K Sham, Stephen K W Tsui, Carmen W H Chan
Silicosis is a prolonged, irreversible and incurable occupational disease, and there is a significant number of newly diagnosed cases every year in Hong Kong. Due to the long latency of the disease, the diagnosis can be missed until detailed clinical examination at a later stage. For a better control of this deadly disease, detailing the pro-inflammatory and fibrotic events in the macrophage would be instrumental in understanding the pathogenesis of the disease and essential for the significant biomarkers discovery...
April 20, 2017: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/28418040/the-height-width-depth-ratios-of-the-intervertebral-discs-and-vertebral-bodies-in-adolescent-idiopathic-scoliosis-vs-controls-in-a-chinese-population
#7
Hao Chen, Tom P C Schlösser, Rob C Brink, Dino Colo, Marijn van Stralen, Lin Shi, Winnie C W Chu, Pheng-Ann Heng, René M Castelein, Jack C Y Cheng
Adolescent idiopathic scoliosis (AIS) patients have been reported to be taller and more slender than normal controls, suggesting less mechanical stiffness of their trunk and spine. For assessment of mechanical stiffness, to our best knowledge this is the first to study height-width-depth relations at the level of the individual vertebra and disc in 3-D and to evaluate its relation with the Cobb angle severity. A unique series of high-resolution pre-operative computed tomographic (CT) scans of a total of 105 Chinese patients with moderate to severe AIS and 11 age-matched non-scoliotic controls were used for this study...
April 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28414729/an-evaluation-of-mental-workload-with-frontal-eeg
#8
Winnie K Y So, Savio W H Wong, Joseph N Mak, Rosa H M Chan
Using a wireless single channel EEG device, we investigated the feasibility of using short-term frontal EEG as a means to evaluate the dynamic changes of mental workload. Frontal EEG signals were recorded from twenty healthy subjects performing four cognitive and motor tasks, including arithmetic operation, finger tapping, mental rotation and lexical decision task. Our findings revealed that theta activity is the common EEG feature that increases with difficulty across four tasks. Meanwhile, with a short-time analysis window, the level of mental workload could be classified from EEG features with 65%-75% accuracy across subjects using a SVM model...
2017: PloS One
https://www.readbyqxmd.com/read/28410182/parent-and-health-care-provider-perceptions-for-development-of-a-web-based-weight-management-program-for-survivors-of-pediatric-acute-lymphoblastic-leukemia-a-mixed-methods-study
#9
Sara Folta, Winnie Chang, Rachel Hill, Michael Kelly, Susan Meagher, W Paul Bowman, Fang Fang Zhang
BACKGROUND: Survivors of pediatric acute lymphoblastic leukemia (ALL) may experience unhealthy weight gain during treatment, which has been associated with higher risk for chronic health issues. OBJECTIVE: The purpose of this study was to obtain feedback on weight management in pediatric ALL survivors and on the content and implementation of a Web-based weight management program. METHODS: Study participants included 54 parent survey respondents and 19 pediatric oncology professionals in 4 focus groups...
February 9, 2017: JMIR Cancer
https://www.readbyqxmd.com/read/28409931/1-4-18-f-fluorobenzyl-4-tetrahydrofuran-2-yl-methyl-piperazine-a-novel-suitable-radioligand-with-low-lipophilicity-for-imaging-sigma-1-receptors-in-the-brain
#10
Yingfang He, Fang Xie, Jiajun Ye, Winnie Deuther-Conrad, Bixiao Cui, Liang Wang, Jie Lu, Jörg Steinbach, Peter Brust, Yiyun Huang, Jie Lu, Hongmei Jia
We have designed and synthesized novel piperazine compounds with low lipophilicity as σ1 receptor ligands. 1-(4-Fluorobenzyl)-4-((tetrahydrofuran-2-yl)methyl)piperazine (10) possessed low nanomolar σ1 receptor affinity and high selectivity toward the vesicular acetylcholine transporter (>2000-fold), σ2 receptors (52-fold), adenosine A2A, adrenergic α2, cannabinoid CB1, dopamine D1, D2L, γ-aminobutyric acid A (GABAA), NMDA, melatonin MT1, MT2 and serotonin 5-HT1 receptors. The corresponding radiotracer [(18)F]10 demonstrated high brain uptake and extremely high brain-to-blood ratios in biodistribution studies in mice...
April 14, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28400115/thymus-transplantation-for-complete-digeorge-syndrome-european-experience
#11
E Graham Davies, Melissa Cheung, Kimberly Gilmour, Jesmeen Maimaris, Joe Curry, Anna Furmanski, Neil Sebire, Neil Halliday, Konstantinos Mengrelis, Stuart Adams, Jolanta Bernatoniene, Ronald Bremner, Michael Browning, Blythe Devlin, Hans Christian Erichsen, H Bobby Gaspar, Lizzie Hutchison, Winnie Ip, Marianne Ifversen, T Ronan Leahy, Elizabeth McCarthy, Despina Moshous, Kim Neuling, Malgorzata Pac, Alina Papadopol, Kathryn L Parsley, Luigi Poliani, Ida Ricciardelli, David M Sansom, Tiia Voor, Austen Worth, Tessa Crompton, M Louise Markert, Adrian J Thrasher
BACKGROUND: Thymus transplantation is a promising strategy for the treatment of athymic complete DiGeorge syndrome (cDGS). METHODS: Twelve patients with cDGS were transplanted with allogeneic cultured thymus. OBJECTIVE: To confirm and extend the results previously obtained in a single centre. RESULTS: Two patients died of pre-existing viral infections without developing thymopoeisis and one late death occurred from autoimmune thrombocytopaenia...
April 8, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28390865/spdef-induces-quiescence-of-colorectal-cancer-cells-by-changing-the-transcriptional-targets-of-%C3%AE-catenin
#12
Yuan-Hung Lo, Taeko K Noah, Min-Shan Chen, Winnie Zou, Ester Borras, Eduardo Vilar, Noah F Shroyer
BACKGROUND & AIMS: The canonical Wnt signaling pathway activates the transcriptional activity of β-catenin. This pathway is often activated in colorectal cancer cells, but strategies to block it in tumors have not been effective. The SAM pointed domain containing ETS transcription factor (SPDEF) suppresses formation of colon tumors by unclear mechanisms. We investigated these mechanisms and the effects of SPDEF on β-catenin activity in mouse models of colorectal cancer (CRC), CRC cell lines, and mouse and human normal and cancer colonoids...
April 5, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28390178/slow-processing-speed-predicts-falls-in-older-adults-with-a-falls-history-1-year-prospective-cohort-study
#13
Jennifer C Davis, John R Best, Karim M Khan, Larry Dian, Stephen Lord, Kim Delbaere, Chun Liang Hsu, Winnie Cheung, Wency Chan, Teresa Liu-Ambrose
BACKGROUND/OBJECTIVES: A previous fall is a strong predictor of future falls. Recent epidemiologic data suggest that deficits in processing speed predict future injurious falls. Our primary objective was to determine a parsimonious predictive model of future falls among older adults who experienced ≥1 fall in the past 12 months based on the following categories: counts of (1) total, (2) indoor, (3) outdoor or (4) non-injurious falls; (5) one mild or severe injury fall (yes vs no); (6) an injurious instead of a non-injurious fall; and (7) an outdoor instead of an indoor fall...
April 8, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28379199/development-of-fluorinated-non-peptidic-ghrelin-receptor-ligands-for-potential-use-in-molecular-imaging
#14
Rareş-Petru Moldovan, Sylvia Els-Heindl, Dennis J Worm, Torsten Kniess, Michael Kluge, Annette G Beck-Sickinger, Winnie Deuther-Conrad, Ute Krügel, Peter Brust
The ghrelin receptor (GhrR) is a widely investigated target in several diseases. However, the current knowledge of its role and distribution in the brain is limited. Recently, the small and non-peptidic compound (S)-6-(4-bromo-2-fluorophenoxy)-3-((1-isopropylpiperidin-3-yl)methyl)-2-methylpyrido[3,2-d]pyrimidin-4(3H)-one ((S)-9) has been described as a GhrR ligand with high binding affinity. Here, we describe the synthesis of fluorinated derivatives, the in vitro evaluation of their potency as partial agonists and selectivity at GhrRs, and their physicochemical properties...
April 5, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28376358/extending-health-insurance-to-the-poor-in-india-an-impact-evaluation-of-rashtriya-swasthya-bima-yojana-on-out-of-pocket-spending-for-healthcare
#15
Anup Karan, Winnie Yip, Ajay Mahal
India launched the 'Rashtriya Swasthya Bima Yojana' (RSBY) health insurance scheme for the poor in 2008. Utilising 3 waves (1999-2000, 2004-05 and 2011-12) of household level data from nationally representative surveys of the National Sample Survey Organisation (NSSO) (N = 346,615) and district level RSBY administrative data on enrolment, we estimated causal effects of RSBY on out-of-pocket expenditure. Using 'difference-in-differences' methods on households in matched districts we find that RSBY did not affect the likelihood of inpatient out-of-pocket spending, the level of inpatient out of pocket spending or catastrophic inpatient spending...
March 27, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28373485/identification-and-characterization-of-a-novel-dgat1-missense-mutation-associated-with-congenital-diarrhea
#16
Nina L Gluchowski, Chandramohan Chitraju, Joseph A Picoraro, Niklas Mejhert, Shirly Pinto, Winnie Xin, Daniel S Kamin, Harland S Winter, Wendy K Chung, Tobias C Walther, Robert V Farese
Acyl CoA:diacylglycerol acyltransferase-1 and -2 (DGAT1 and DGAT2) catalyze triglyceride biosynthesis in humans. Biallelic loss of function mutations in human DGAT1 result in severe congenital diarrhea and protein-losing enteropathy. Additionally, pharmacologic inhibition of DGAT1 led to dose- related diarrhea in human clinical trials. Here we identify a previously unknown DGAT1 mutation in identical twins of South Asian descent. These male patients developed watery diarrhea shortly after birth, with protein-losing enteropathy and failure to thrive...
April 3, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/28373299/integrated-genomic-analyses-reveal-frequent-tert-aberrations-in-acral-melanoma
#17
Winnie S Liang, William Hendricks, Jeffrey Kiefer, Jessica Schmidt, Shobana Sekar, John Carpten, David W Craig, Jonathan Adkins, Lori Cuyugan, Zarko Manojlovic, Rebecca F Halperin, Adrienne Helland, Sara Nasser, Christophe Legendre, Laurence H Hurley, Karthigayini Sivaprakasam, Douglas B Johnson, Holly Crandall, Klaus J Busam, Victoria Zismann, Valerie Deluca, Jeeyun Lee, Aleksandar Sekulic, Charlotte E Ariyan, Jeffrey Sosman, Jeffrey Trent
Genomic analyses of cutaneous melanoma (CM) have yielded biological and therapeutic insights, but understanding of non-ultraviolet (UV)-derived CMs remains limited. Deeper analysis of acral lentiginous melanoma (ALM), a rare sun-shielded melanoma subtype associated with worse survival than CM, is needed to delineate non-UV oncogenic mechanisms. We thus performed comprehensive genomic and transcriptomic analysis of 34 ALM patients. Unlike CM, somatic alterations were dominated by structural variation and absence of UV-derived mutation signatures...
April 2017: Genome Research
https://www.readbyqxmd.com/read/28371199/nonsense-pathogenic-variants-in-exon-1-of-phox2b-lead-to-translational-reinitiation-in-congenital-central-hypoventilation-syndrome
#18
Jacob T Cain, Dae I Kim, Megan Quast, Winnie G Shivega, Ryan J Patrick, Chuanpit Moser, Suzanne Reuter, Myrza Perez, Angela Myers, Jill M Weimer, Kyle J Roux, Megan Landsverk
Pathogenic variants in PHOX2B lead to congenital central hypoventilation syndrome (CCHS), a rare disorder of the nervous system characterized by autonomic dysregulation and hypoventilation typically presenting in the neonatal period, although a milder late-onset (LO) presentation has been reported. More than 90% of cases are caused by polyalanine repeat mutations (PARMs) in the C-terminus of the protein; however non-polyalanine repeat mutations (NPARMs) have been reported. Most NPARMs are located in exon 3 of PHOX2B and result in a more severe clinical presentation including Hirschsprung disease (HSCR) and/or peripheral neuroblastic tumors (PNTs)...
May 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28370257/assessment-of-biopsy-proven-liver-fibrosis-by-2d-shear-wave-elastography-an-individual-patient-data-based-meta-analysis
#19
Eva Herrmann, Victor de Lédinghen, Christophe Cassinotto, Winnie C-W Chu, Vivian Y-F Leung, Giovanna Ferraioli, Carlo Filice, Laurent Castera, Valérie Vilgrain, Maxime Ronot, Jérôme Dumortier, Aymeric Guibal, Stanislas Pol, Jonel Trebicka, Christian Jansen, Christian Strassburg, Rongqin Zheng, Jian Zheng, Sven Francque, Thomas Vanwolleghem, Luisa Vonghia, Emanuel K Manesis, Pavlos Zoumpoulis, Ioan Sporea, Maja Thiele, Aleksander Krag, Claude Cohen-Bacrie, Aline Criton, Joel Gay, Thomas Deffieux, Mireen Friedrich-Rust
BACKGROUND AND AIMS: 2D shear wave elastography (2D-SWE) has proven to be efficient for the evaluation of liver fibrosis in small to moderate size clinical trials. We aimed at running a larger scale meta-analysis of individual data. METHODS: Centers which have worked with Aixplorer ultrasound equipment were contacted to share their data. Retrospective statistical analysis used direct and paired receiver operating characteristic (ROC) and area under the ROC curve (AUROC) analysis accounting for random effects...
March 31, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28365525/radiosynthesis-of-s-18-f-t1-the-first-pet-radioligand-for-molecular-imaging-of-%C3%AE-3%C3%AE-4-nicotinic-acetylcholine-receptors
#20
Jiradanai Sarasamkan, Steffen Fischer, Winnie Deuther-Conrad, Friedrich-Alexander Ludwig, Matthias Scheunemann, Kuntarat Arunrungvichian, Opa Vajragupta, Peter Brust
Recent pharmacologic data revealed the implication of α3β4 nicotinic acetylcholine receptors (nAChRs) in nicotine and drug addiction. To image α3β4 nAChRs in vivo, we aimed to establish the synthesis of a [(18)F]-labelled analog of the highly affine and selective α3β4 ligand (S)-3-(4-(4-fluorophenyl)-1H-1,2,3-triazol-1-yl)quinuclidine ((S)-T1). (S)-[(18)F]T1 was synthesized from ethynyl-4-[(18)F]fluorobenzene ([(18)F]5) and (S)-azidoquinuclidine by click reaction. After a synthesis time of 130min (S)-[(18)F]T1 was obtained with a radiochemical yield (non-decay corrected) of 4...
March 18, 2017: Applied Radiation and Isotopes
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