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https://www.readbyqxmd.com/read/28820326/heavy-metal-in-cancer-the-cell-cycle-jams-with-arsenic
#1
Alison K Barrett, Seth M Rubin
No abstract text is available yet for this article.
August 18, 2017: Cell Cycle
https://www.readbyqxmd.com/read/28820133/epidemiology-of-salmonella-enterica-serotype-dublin-infections-among-humans-united-states-1968-2013
#2
R Reid Harvey, Cindy R Friedman, Stacy M Crim, Michael Judd, Kelly A Barrett, Beth Tolar, Jason P Folster, Patricia M Griffin, Allison C Brown
Salmonella enterica serotype Dublin is a cattle-adapted bacterium that typically causes bloodstream infections in humans. To summarize demographic, clinical, and antimicrobial drug resistance characteristics of human infections with this organism in the United States, we analyzed data for 1968-2013 from 5 US surveillance systems. During this period, the incidence rate for infection with Salmonella Dublin increased more than that for infection with other Salmonella. Data from 1 system (FoodNet) showed that a higher percentage of persons with Salmonella Dublin infection were hospitalized and died during 2005-2013 (78% hospitalized, 4...
September 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28819902/ablation-therapy-for-barrett-s-esophagus-new-rules-for-changing-times
#3
REVIEW
Nour Hamade, Prateek Sharma
PURPOSE OF REVIEW: In this review, we discuss different endoscopic techniques in the eradication of Barrett's esophagus (BE) as well as some controversies in the field of treatment. RECENT FINDINGS: Patients with T1a esophageal adenocarcinoma and BE of high-grade dysplasia should undergo endoscopic ablative therapy. The most studied technique to date is radiofrequency ablation. It can be combined with endoscopic mucosal resection in cases containing nodular and flat lesions...
August 17, 2017: Current Gastroenterology Reports
https://www.readbyqxmd.com/read/28817402/the-importance-of-natural-killer-cell-killer-immunoglobulin-like-receptor-mismatch-in-transplant-outcomes
#4
Kate Stringaris, Austin J Barrett
PURPOSE OF REVIEW: In recent years, the rules of engagement between natural killer (NK) cells and their targets have become better defined with the identification of an array of NK surface molecules, notably the killer immunoglobulin-like (KIR) receptors and their ligands on target cells through which signals of activation or suppression of NK function are mediated. After allogeneic stem cell transplantation (SCT), the opportunity for NK cell activation can occur both in human leucocyte antigen (HLA) matched and HLA mismatched pairs...
August 16, 2017: Current Opinion in Hematology
https://www.readbyqxmd.com/read/28816408/endoscopic-treatment-of-barrett-s-esophagus-what-can-we-learn-from-the-western-perspective
#5
REVIEW
Yuto Shimamura, Yugo Iwaya, Kenichi Goda, Christopher W Teshima
The incidence of Barrett's esophagus (BE) related neoplasia in Western countries has increased in the past several decades, and even in Eastern countries, it appears to be increasing. Endoscopic therapies are the first-line treatment for BE-related neoplasia, however there is still no standardized treatment strategy. Most of the data have been published from Western countries where the ultimate goal of treatment is complete eradication of BE mucosa removing subtle synchronous lesions and preventing metachronous neoplasia...
August 17, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28815761/-my-mentor-didn-t-speak-to-me-for-the-first-four-weeks-perceived-unfairness-experienced-by-nursing-students-in-clinical-practice-settings
#6
Kirsten Jack, Claire Hamshire, W Edwin Harris, Mark Langan, Neil Barrett, Christopher Wibberley
AIMS AND OBJECTIVES: To explore the perceived unfairness experienced by student nurses during their undergraduate clinical placements. BACKGROUND: It is important that student nurses feel supported by practice staff during their clinical placement education experiences. However, it has been reported that learners can feel ignored, unsupported and bullied by others in the clinical environment and this has a detrimental effect on their learning. It is important to understand the student nurse perspective and explore ways in which their feelings of belongingness might be enhanced in the clinical area...
August 17, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28815063/the-impact-of-flexible-endoscopy-in-esophageal-surgery
#7
REVIEW
Alejandro Nieponice, Fabio Nachman, Adolfo Badaloni, Franco Ciotola, Cecilia Zubieta, Mauricio Ramirez
Achalasia and Treatment of esophageal Adenocarcinoma are commonly associated to surgical resection. Newer technologies in interventional endoscopy gave way to a substantial paradigm shift in the management of these conditions. In the case of achalasia, endoscopic myotomy is rapidly displacing Heller's myotomy as the gold standard in many centers. Early stage neoplasia in Barrett's esophagus (BE) comprising high-grade dysplasia (HGD), intramucosal and, in some cases, submucosal carcinoma is now being treated without the need of esophagectomy...
July 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28814670/mtg16-is-a-tumor-suppressor-in-colitis-associated-carcinoma
#8
Elizabeth M McDonough, Caitlyn W Barrett, Bobak Parang, Mukul K Mittal, J Joshua Smith, Amber M Bradley, Yash A Choksi, Lori A Coburn, Sarah P Short, Joshua J Thompson, Baolin Zhang, Shenika V Poindexter, Melissa A Fischer, Xi Chen, Jiang Li, Frank L Revetta, Rishi Naik, M Kay Washington, Michael J Rosen, Scott W Hiebert, Keith T Wilson, Christopher S Williams
MTG16 is a member of the myeloid translocation gene (MTG) family of transcriptional corepressors. While MTGs were originally identified in chromosomal translocations in acute myeloid leukemia, recent studies have uncovered a role in intestinal biology. For example, Mtg16-/- mice have increased intestinal proliferation and are more sensitive to intestinal injury in colitis models. MTG16 is also underexpressed in patients with moderate/severe ulcerative colitis. Based on these findings, we postulated that MTG16 might protect against colitis-associated carcinogenesis...
August 17, 2017: JCI Insight
https://www.readbyqxmd.com/read/28814574/a-dinosaur-missing-link-chilesaurus-and-the-early-evolution-of-ornithischian-dinosaurs
#9
Matthew G Baron, Paul M Barrett
The enigmatic dinosaur taxon Chilesaurus diegosuarezi was originally described as a tetanuran theropod, but this species possesses a highly unusual combination of features that could provide evidence of alternative phylogenetic positions within the clade. In order to test the relationships of Chilesaurus, we added it to a new dataset of early dinosaurs and other dinosauromorphs. Our analyses recover Chilesaurus in a novel position, as the earliest diverging member of Ornithischia, rather than a tetanuran theropod...
August 2017: Biology Letters
https://www.readbyqxmd.com/read/28812955/igg-cooperativity-is-there-allostery-implications-for-antibody-functions-and-therapeutic-antibody-development
#10
Danlin Yang, Rachel Kroe-Barrett, Sanjaya Singh, Christopher J Roberts, Thomas M Laue
A central dogma in immunology is that an antibody's in vivo functionality is mediated by two independent events: antigen binding by the variable (V) region, followed by effector activation by the constant (C) region. However, this view has recently been challenged by reports suggesting allostery exists between the two regions, triggered by conformational changes or configurational differences. The possibility of allosteric signals propagating through the IgG domains complicates our understanding of the antibody structure-function relationship, and challenges the current subclass selection process in therapeutic antibody design...
August 16, 2017: MAbs
https://www.readbyqxmd.com/read/28812631/contrasting-effects-of-environment-and-genetics-generate-a-continuum-of-parallel-evolution
#11
Yoel E Stuart, Thor Veen, Jesse N Weber, Dieta Hanson, Mark Ravinet, Brian K Lohman, Cole J Thompson, Tania Tasneem, Andrew Doggett, Rebecca Izen, Newaz Ahmed, Rowan D H Barrett, Andrew P Hendry, Catherine L Peichel, Daniel I Bolnick
Parallel evolution of similar traits by independent populations in similar environments is considered strong evidence for adaptation by natural selection. Often, however, replicate populations in similar environments do not all evolve in the same way, thus deviating from any single, predominant outcome of evolution. This variation might arise from non-adaptive, population-specific effects of genetic drift, gene flow or limited genetic variation. Alternatively, these deviations from parallel evolution might also reflect predictable adaptation to cryptic environmental heterogeneity within discrete habitat categories...
May 22, 2017: Nature ecology & evolution
https://www.readbyqxmd.com/read/28812450/sexual-satisfaction-among-older-australian-heterosexual-men-and-women-findings-from-the-sex-age-me-study
#12
Wendy Heywood, Anthony Lyons, Bianca Fileborn, Sharron Hinchliff, Victor Minichiello, Sue Malta, Catherine Barrett, Briony Dow
This study explored sexual satisfaction in older heterosexual Australians using data from a national sample of 1,583 men and women aged 60+ who hoped or planned to have sex in the future. Data collection took place in 2015; participants were recruited using a variety of online and offline advertisements. Less than half the sample (46%) reported they were very or extremely satisfied with their sexual lives. Those who had sex more often and were more interested in sex were more likely to be satisfied, while those who wanted sex more often in the future were less likely to be satisfied, as were men who had experienced sexual difficulties...
August 16, 2017: Journal of Sex & Marital Therapy
https://www.readbyqxmd.com/read/28811707/myo-inositol-reduces-%C3%AE-catenin-activation-in-colitis
#13
Emily M Bradford, Corey A Thompson, Tatiana Goretsky, Guang-Yu Yang, Luz M Rodriguez, Linheng Li, Terrence A Barrett
AIM: To assess dietary myo-inositol in reducing stem cell activation in colitis, and validate pβ-catenin(S552) as a biomarker of recurrent dysplasia. METHODS: We examined the effects of dietary myo-inositol treatment on inflammation, pβ-catenin(S552) and pAkt levels by histology and western blot in IL-10(-/-) and dextran sodium sulfate-treated colitic mice. Additionally, we assessed nuclear pβ-catenin(S552) in patients treated with myo-inositol in a clinical trial, and in patients with and without a history of colitis-induced dysplasia...
July 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28811703/barrett-s-oesophagus-current-controversies
#14
REVIEW
Chidi Amadi, Piers Gatenby
Oesophageal adenocarcinoma is rapidly increasing in Western countries. This tumour frequently presents late in its course with metastatic disease and has a very poor prognosis. Barrett's oesophagus is an acquired condition whereby the native squamous mucosa of the lower oesophagus is replaced by columnar epithelium following prolonged gastro-oesophageal reflux and is the recognised precursor lesion for oesophageal adenocarcinoma. There are multiple national and society guidelines regarding screening, surveillance and management of Barrett's oesophagus, however all are limited regarding a clear evidence base for a well-demonstrated benefit and cost-effectiveness of surveillance, and robust risk stratification for patients to best use resources...
July 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28811388/hill-robertson-interference-reduces-genetic-diversity-on-a-young-plant-y-chromosome
#15
Josh Hough, Wei Wang, Spencer C H Barrett, Stephen I Wright
X and Y chromosomes differ in effective population size (Ne ), rates of recombination, and exposure to natural selection, all of which can affect patterns of genetic diversity. On Y chromosomes with suppressed recombination, natural selection is expected to eliminate linked neutral variation and lower the Ne of Y compared to X chromosomes or autosomes. However, female-biased sex ratios and high variance in male reproductive success can also reduce Y-linked Ne , making it difficult to infer the causes of low Y-diversity...
August 15, 2017: Genetics
https://www.readbyqxmd.com/read/28810157/propagating-the-haze-community-and-professional-perceptions-of-cannabis-cultivation-and-the-impacts-of-prohibition
#16
Helen Beckett Wilson, Stuart Taylor, Giles Barrett, Janet Jamieson, Lauren Grindrod
BACKGROUND: Recent decades have seen substantial changes in the UK cannabis landscape, including increased domestic production, the ascendancy of stronger strains (namely 'skunk') and the drug's reclassification under the 1971 Misuse of Drugs Act. Resultantly, cannabis retains significance in the consciousness, priorities and policy agendas of communities, drug services and criminal justice agencies. METHODS: This paper presents an empirical study, which examined both perceptions and impacts of cannabis cultivation and its control within a North-West English borough...
August 12, 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/28809740/early-successes-in-an-open-access-provincially-funded-hepatitis-c-treatment-program-in-prince-edward-island
#17
Daniel Smyth, Jordan W Francheville, Robin Rankin, Jeremy Beck, Connie Hoare, Stefanie Materniak, Greg German, Lisa Barrett, Natalie Bunimov-Wall
INTRODUCTION: The availability of curative hepatitis C therapies has created an opportunity to improve delivery and access. Local providers, government, industry, and community groups in Prince Edward Island developed an innovative province-wide care model. Our goal was to describe the first year of program implementation. MATERIAL AND METHODS: Using a community based prospective observational study design, all chronic hepatitis C referrals received from April 2015 to April 2016 were recorded in a database...
August 8, 2017: Annals of Hepatology
https://www.readbyqxmd.com/read/28809383/increasing-symptoms-in-irritable-bowel-symptoms-with-ingestion-of-galacto-oligosaccharides-are-mitigated-by-%C3%AE-galactosidase-treatment
#18
C J Tuck, K M Taylor, P R Gibson, J S Barrett, J G Muir
OBJECTIVES: Galacto-oligosaccharides (GOS) are dietary FODMAPs (fermentable carbohydrates) associated with triggering gastrointestinal symptoms in patients with irritable bowel syndrome (IBS). This randomized, double-blind, placebo-controlled, cross-over trial aimed to assess whether oral α-galactosidase co-ingestion with foods high in GOS and low in other FODMAPs would reduce symptoms. METHODS: Patients meeting the Rome III criteria for IBS who were hydrogen-producers on breath testing were recruited...
August 15, 2017: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/28807490/fabp1-and-hepar-expression-levels-in-barrett-s-oesophagus-and-associated-neoplasia-in-an-asian-population
#19
Supriya Srivastava, Florian Kern, Neel Sharma, Frank McKeon, Wa Xian, Khay Guan Yeoh, Khek Yu Ho, Ming Teh
INTRODUCTION: Barrett's oesophagus (BE) is a premalignant condition associated with oesophageal adenocarcinoma (EAC). Evidence highlights that EAC is associated with an estimated 5-year survival of approximately 10-15%. Therefore, there is a need to determine which biomarkers are of value in the diagnosis of BE and beyond. The aim of our study was to evaluate the clinical significance of markers known to be expressed across BE and associated neoplasia. METHODS: Retrospective tissues were obtained from columnar lined oesophagus (CLE) without goblet cells (n=22), BE (n=29), dysplasia (n=14), and EAC (n=10)...
July 27, 2017: Digestive and Liver Disease
https://www.readbyqxmd.com/read/28807205/facilitating-surgeon-understanding-of-complex-anatomy-using-a-three-dimensional-printed-model
#20
Barrett P Cromeens, William C Ray, Brad Hoehne, Fikir Abayneh, Brent Adler, Gail E Besner
BACKGROUND: 3-dimensional prints (3DP) anecdotally facilitate surgeon understanding of anatomy and decision-making. However, the actual benefit to surgeons or patients has not been quantified. This study investigates how surgeon understanding of complex anatomy is altered by a 3DP compared to computed tomography (CT) scan or CT + digital reconstruction (CT + DR). MATERIALS AND METHODS: Key anatomic features were segmented from a CT-abdomen/pelvis of pygopagus twins to build a DR and printed in color on a 3D printer...
August 2017: Journal of Surgical Research
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