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https://www.readbyqxmd.com/read/28822769/somatic-mutation-analysis-in-melanoma-using-targeted-next-generation-sequencing
#1
Allen P Miraflor, Francine B de Abreu, Jason D Peterson, Scott A Turner, Christopher I Amos, Gregory J Tsongalis, Shaofeng Yan
Advanced stage malignant melanoma often responds poorly to therapy with low survival rates. New therapeutic approaches are based upon a growing understanding of the underlying molecular abnormalities. We demonstrate the feasibility of a next generation sequencing (NGS) assay, which targets hotspots in 50 cancer genes, to assess genotypes that may influence therapeutic selection and response. DNA was extracted from formalin fixed paraffin embedded (FFPE) melanoma specimens to create multiplexed libraries which were sequenced...
August 16, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28820991/robust-evaluation-of-performance-monitoring-options-for-ozone-disinfection-in-water-recycling-using-bayesian-analysis
#2
Guido Carvajal, Amos Branch, Philipp Michel, Scott A Sisson, David J Roser, Jörg E Drewes, Stuart J Khan
Ozonation of wastewater has gained popularity because of its effectiveness in removing colour, UV absorbance, trace organic chemicals, and pathogens. Due to the rapid reaction of ozone with organic compounds, dissolved ozone is often not measurable and therefore, the common disinfection controlling parameter, concentration integrated over contact time (CT) cannot be obtained. In such cases, alternative parameters have been shown to be useful as surrogate measures for microbial removal including change in UV254 absorbance (ΔUVA), change in total fluorescence (ΔTF), or O3:TOC (or O3:DOC)...
August 1, 2017: Water Research
https://www.readbyqxmd.com/read/28820945/a-chiral-gas-hydrate-structure-common-to-the-carbon-dioxide-water-and-hydrogen-water-systems
#3
Dan Amos, Mary-Ellen Donnelly, Pattanasak Teeratchanan, Craig L Bull, Andrzej Falenty, Werner F Kuhs, Andreas Hermann, John Loveday
We present diffraction studies and full in-situ structural solutions of carbon dioxide hydrate-II and hydrogen hydrate $C_0$ at elevated pressures. We find both hydrates adopt a common water network structure. The structure exhibits several features not previously found in hydrates, most notably it is chiral and has large open spiral channels along which the guest molecules are free to move. It has a network that is unrelated to any experimentally known ice, silica or zeolite network but is instead related to two Zintl compounds...
August 18, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28817959/a-health-behavior-prediction-model-for-patients-with-coronary-artery-disease
#4
Jiyoung Kim, Oksoo Kim
The aim of this study was to determine the relationships among functional status, hostility, social support, illness perceptions, and health behaviors in patients with coronary artery disease using structural equation modeling. Participants comprised 215 patients with coronary artery disease who had received percutaneous coronary artery intervention or a coronary artery bypass graft in two general hospitals in Seoul, Korea. Using structured interviews with questionnaires, data accrued from July to August, 2015...
August 1, 2017: Clinical Nursing Research
https://www.readbyqxmd.com/read/28817824/parametric-linkage-analysis-identifies-five-novel-genome-wide-significant-loci-for-familial-lung-cancer
#5
Anthony M Musolf, Claire L Simpson, Mariza de Andrade, Diptasri Mandal, Colette Gaba, Ping Yang, Yafang Li, Ming You, Elena Y Kupert, Marshall W Anderson, Ann G Schwartz, Susan M Pinney, Christopher I Amos, Joan E Bailey-Wilson
OBJECTIVE: One of four American cancer patients dies of lung cancer. Environmental factors such as tobacco smoking are known to affect lung cancer risk. However, there is a genetic factor to lung cancer risk as well. Here, we perform parametric linkage analysis on family-based genotype data in an effort to find genetic loci linked to the disease. METHODS: 197 individuals from families with a high-risk history of lung cancer were recruited and genotyped using an Illumina array...
August 18, 2017: Human Heredity
https://www.readbyqxmd.com/read/28817680/human-alpha-defensin-5-is-a-candidate-biomarker-to-delineate-inflammatory-bowel-disease
#6
Amanda D Williams, Olga Y Korolkova, Amos M Sakwe, Timothy M Geiger, Samuel D James, Roberta L Muldoon, Alan J Herline, J Shawn Goodwin, Michael G Izban, Mary K Washington, Duane T Smoot, Billy R Ballard, Maria Gazouli, Amosy E M'Koma
Inability to distinguish Crohn's colitis from ulcerative colitis leads to the diagnosis of indeterminate colitis. This greatly effects medical and surgical care of the patient because treatments for the two diseases vary. Approximately 30 percent of inflammatory bowel disease patients cannot be accurately diagnosed, increasing their risk of inappropriate treatment. We sought to determine whether transcriptomic patterns could be used to develop diagnostic biomarker(s) to delineate inflammatory bowel disease more accurately...
2017: PloS One
https://www.readbyqxmd.com/read/28815102/clinical-trials-gov-a-topical-analyses
#7
Vibha Anand, Amos Cahan, Soumya Ghosh
ClinicalTrials.gov was established as a web-based registry for clinical trials of human participants in 2000. Mandatory registration started in 2008. Given more than a decade of registered trials, it's important to understand the "topic" areas and their evolution over time from this resource. This information may help in identifying current knowledge gaps. We use dynamic topic model (DTM) methods to discover topics and their evolution over last 17 years. Our model suggests that there are disease or organ specific trials such as 'Cardiovascular disorders', Heart & Brain conditions', or 'Breast & Prostate cancer' as well as trials registered for general health...
2017: AMIA Summits on Translational Science Proceedings
https://www.readbyqxmd.com/read/28811834/high-risk-human-papilloma-viruses-hpvs-are-present-in-benign-prostate-tissues-before-development-of-hpv-associated-prostate-cancer
#8
Wendy K Glenn, Christopher C Ngan, Timothy G Amos, Richard J Edwards, Joshua Swift, Louise Lutze-Mann, Fei Shang, Noel J Whitaker, James S Lawson
BACKGROUND: Although high risk HPVs are associated with an increased risk of prostate cancer it is not known if they have a causal role. The purpose of this study is to investigate the potential role of human papilloma viruses (HPVs) in prostate cancer. The aims are (i) to investigate the presence and confirm the identity of high risk HPVs in benign prostate tissues prior to the development of HPV positive prostate cancer in the same patients, and (ii) to determine if HPVs are biologically active...
2017: Infectious Agents and Cancer
https://www.readbyqxmd.com/read/28802129/interactions-of-two-novel-stabilizing-amendments-with-sunflower-plants-grown-in-a-contaminated-soil
#9
Zuzana Michálková, Domingo Martínez-Fernández, Michael Komárek
Several efficient stabilizing amendments have been recently proposed for the remediation of metal(loid)-contaminated soils. However, information on their interactions with plants, which is a crucial factor in soil environments, are still scarce. An amorphous manganese oxide (AMO) synthesized from organic compounds and nano zerovalent iron (nZVI) have been previously tested as promising stabilizing agents usable both for the stabilization of metals and As. Experiments with rhizoboxes were performed in order to evaluate their influence on the mobility of metal(loid)s in the bulk soil and rhizosphere of sunflower (Helianthus annuus L...
August 4, 2017: Chemosphere
https://www.readbyqxmd.com/read/28801477/type-2-diabetes-mellitus-and-impaired-renal-function-are-associated-with-brain-alterations-and-poststroke-cognitive-decline
#10
Einor Ben Assayag, Roy Eldor, Amos D Korczyn, Efrat Kliper, Shani Shenhar-Tsarfaty, Oren Tene, Jeremy Molad, Itzhak Shapira, Shlomo Berliner, Viki Volfson, Ludmila Shopin, Yehuda Strauss, Hen Hallevi, Natan M Bornstein, Eitan Auriel
BACKGROUND AND PURPOSE: Type 2 diabetes mellitus (T2DM) is associated with diseases of the brain, kidney, and vasculature. However, the relationship between T2DM, chronic kidney disease, brain alterations, and cognitive function after stroke is unknown. We aimed to evaluate the inter-relationship between T2DM, impaired renal function, brain pathology on imaging, and cognitive decline in a longitudinal poststroke cohort. METHODS: The TABASCO (Tel Aviv brain acute stroke cohort) is a prospective cohort of stroke/transient ischemic attack survivors...
August 11, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28797546/cell-free-deoxyribonucleic-acid-as-a-prognostic-marker-of-bowel-ischemia-in-patients-with-small-bowel-obstruction
#11
Uri Netz, Zvi Perry, Solly Mizrahi, Boris Kirshtein, David Czeiger, Gilbert Sebbag, Avraham Reshef, Amos Douvdevani
BACKGROUND: Patients with strangulation small bowel obstruction are at a high risk for serious morbidity and mortality due to ischemic bowel. Measuring serum, cell-free deoxyribonucleic acid levels could help recognize early cell death. Our hypothesis was that small bowel ischemia or necrosis is associated with increases in serum cell-free deoxyribonucleic acid and that recovery is associated with a decrease in cell-free deoxyribonucleic acid levels. METHODS: A prospective cohort study in addition to standard treatment of patients admitted with a diagnosis of small bowel obstruction...
August 7, 2017: Surgery
https://www.readbyqxmd.com/read/28796414/genetic-variants-in-the-metzincin-metallopeptidase-family-genes-predict-melanoma-survival
#12
Yinghui Xu, Yanru Wang, Hongliang Liu, Qiong Shi, Dakai Zhu, Christopher I Amos, Shenying Fang, Jeffrey E Lee, Terry Hyslop, Xin Li, Jiali Han, Qingyi Wei
Metzincins are key molecules in the degradation of the extracellular matrix and play an important role in cellular processes such as cell migration, adhesion, and cell fusion of malignant tumors, including cutaneous melanoma (CM). We hypothesized that genetic variants of the metzincin metallopeptidase family genes would be associated with CM-specific survival (CMSS). To test this hypothesis, we first performed Cox proportional hazards regression analysis to evaluate the associations between genetic variants of 75 metzincin metallopeptidase family genes and CMSS using the dataset from the genome-wide association study (GWAS) from The University of Texas MD Anderson cancer Center (MDACC) which included 858 non-Hispanic white patients with CM, and then validated in the dataset from the Harvard GWAS study which had 409 non-Hispanic white patients with invasive CM...
August 10, 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/28794857/extending-tcga-queries-to-automatically-identify-analogous-genomic-data-from-dbgap
#13
Erin K Wagner, Satyajeet Raje, Liz Amos, Jessica Kurata, Abhijit S Badve, Yingquan Li, Ben Busby
Data sharing is critical to advance genomic research by reducing the demand to collect new data by reusing and combining existing data and by promoting reproducible research. The Cancer Genome Atlas (TCGA) is a popular resource for individual-level genotype-phenotype cancer related data. The Database of Genotypes and Phenotypes (dbGaP) contains many datasets similar to those in TCGA. We have created a software pipeline that will allow researchers to discover relevant genomic data from dbGaP, based on matching TCGA metadata...
2017: F1000Research
https://www.readbyqxmd.com/read/28791587/what-is-this-image-2017-image%C3%A2-2-result-coronary-stent-infection-diagnosed-by-gallium-scan
#14
Alexander Elder, Kuan-Ching Ho, Kevin C Allman, Harry Lowe, David Amos, Mark Adams
No abstract text is available yet for this article.
August 8, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28771764/surgical-management-and-long-term-outcome-of-umbilical-infection-in-65-foals-2010-2015
#15
Gil L Oreff, Amos J Tatz, Roee Dahan, Gilad Segev, Dalia Berlin, Gal Kelmer
OBJECTIVE: To report the short- and long-term outcomes of surgical management of umbilical infection in foals. STUDY DESIGN: Retrospective case series. ANIMALS: Foals (n = 65). METHODS: Medical records (2010-2015) of foals up to 1 month of age, surgically treated for an umbilical infection were reviewed. Short-term (at the time of discharge from hospital) and long-term (1 year after surgery) survival rates were obtained...
August 3, 2017: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/28771393/single-dose-testosterone-administration-impairs-cognitive-reflection-in-men
#16
Gideon Nave, Amos Nadler, David Zava, Colin Camerer
In nonhumans, the sex steroid testosterone regulates reproductive behaviors such as fighting between males and mating. In humans, correlational studies have linked testosterone with aggression and disorders associated with poor impulse control, but the neuropsychological processes at work are poorly understood. Building on a dual-process framework, we propose a mechanism underlying testosterone's behavioral effects in humans: reduction in cognitive reflection. In the largest study of behavioral effects of testosterone administration to date, 243 men received either testosterone or placebo and took the Cognitive Reflection Test (CRT), which estimates the capacity to override incorrect intuitive judgments with deliberate correct responses...
August 1, 2017: Psychological Science
https://www.readbyqxmd.com/read/28770996/mapping-elastic-properties-of-heterogeneous-materials-in-liquid-with-angstrom-scale-resolution
#17
Carlos A Amo, Alma P Perrino, Amir F Payam, Ricardo Garcia
Fast quantitative mapping of mechanical properties with nanoscale spatial resolution represents one of the major goals of force microscopy. This goal becomes more challenging when the characterization needs to be accomplished with subnanometer resolution in a native environment that involves liquid solutions. Here we demonstrate that bimodal atomic force microscopy enables the accurate measurement of the elastic modulus of surfaces in liquid with a spatial resolution of 3 Å. The Young's modulus can be determined with a relative error below 5% over a 5 orders of magnitude range (1 MPa to 100 GPa)...
August 3, 2017: ACS Nano
https://www.readbyqxmd.com/read/28768541/key-populations-and-human-rights-in-the-context-of-hiv-services-rendition-in-ghana
#18
Amos Laar, Debra DeBruin
BACKGROUND: In line with its half century old penal code, Ghana currently criminalizes and penalizes behaviors of some key populations - populations deemed to be at higher risk of acquiring or transmitting Human Immunodeficiency Virus (HIV). Men who have sex with men (MSM), and sex workers (SWs) fit into this categorization. This paper provides an analysis of how enactment and implementation of rights-limiting laws not only limit rights, but also amplify risk and vulnerability to HIV in key and general populations...
August 2, 2017: BMC International Health and Human Rights
https://www.readbyqxmd.com/read/28768520/colorectal-cancer-in-a-patient-with-intestinal-schistosomiasis-a-case-report-from-kilimanjaro-christian-medical-center-northern-zone-tanzania
#19
Ayesiga M Herman, Alfred Kishe, Heri Babu, Hilary Shilanaiman, Murad Tarmohamed, Jay Lodhia, Patrick Amsi, Jeremia Pyuza, Alex Mremi, Amos Mwasamwaja, Mramba Nyindo, Kondo Chilonga, David Msuya
BACKGROUND: Colorectal cancer associated with chronic intestinal schistosomiasis has been linked with the chronic inflammation as a result of schistosomal ova deposition in the submucosal layer of the intestine. Among all species Schistosoma japonicum has been more linked to development of colorectal cancer as compared to Schistosoma mansoni due to absence of population-based studies to support the association. Despite the weak evidence, some cases have been reported associating S. mansoni with development of colorectal cancer...
August 2, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28766040/the-diabetic-brain-and-cognition
#20
REVIEW
Peter Riederer, Amos D Korczyn, Sameh S Ali, Ovidiu Bajenaru, Mun Seong Choi, Michael Chopp, Vesna Dermanovic-Dobrota, Edna Grünblatt, Kurt A Jellinger, Mohammad Amjad Kamal, Warda Kamal, Jerzy Leszek, Tanja Maria Sheldrick-Michel, Gohar Mushtaq, Bernard Meglic, Rachel Natovich, Zvezdan Pirtosek, Martin Rakusa, Melita Salkovic-Petrisic, Reinhold Schmidt, Angelika Schmitt, G Ramachandra Sridhar, László Vécsei, Zyta Beata Wojszel, Hakan Yaman, Zheng G Zhang, Tali Cukierman-Yaffe
The prevalence of both Alzheimer's disease (AD) and vascular dementia (VaD) is increasing with the aging of the population. Studies from the last several years have shown that people with diabetes have an increased risk for dementia and cognitive impairment. Therefore, the authors of this consensus review tried to elaborate on the role of diabetes, especially diabetes type 2 (T2DM) in both AD and VaD. Based on the clinical and experimental work of scientists from 18 countries participating in the International Congress on Vascular Disorders and on literature search using PUBMED, it can be concluded that T2DM is a risk factor for both, AD and VaD, based on a pathology of glucose utilization...
August 1, 2017: Journal of Neural Transmission
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