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James W Behan, Adam Sutton, Ashley Wysong
Skin cancer is the most common of human cancers and outnumbers all other types of cancer combined in the USA by over threefold. The majority of non-melanoma skin cancers are easily treated with surgery or locally destructive techniques performed under local anesthesia in the cost-effective outpatient setting. However, there is a subset of "high-risk" cases that prove challenging in terms of morbidity, mortality, adjuvant treatment required, as well as overall cost to the health care system. In our opinion, the term "high risk" when applied to skin cancer can mean one of three things: a high-risk tumor with aggressive histologic and/or clinical features with an elevated risk for local recurrence or regional/distant metastasis, a high-risk patient with the ongoing development of multiple skin cancers, and a high-risk patient based on immunosuppression...
December 2016: Current Treatment Options in Oncology
David Sutton, Charissa Higdon, Mark Carmon, Scott Abbott
No abstract text is available yet for this article.
October 2016: Clinical Diabetes: a Publication of the American Diabetes Association
Gregory A Fendley, Ina L Urbatsch, Roger B Sutton, Maria E Zoghbi, Guillermo A Altenberg
ATP-binding cassette proteins are ubiquitously present throughout all known genomes. Their basic functional unit possesses two transmembrane domains and two nucleotide-binding domains. The nucleotide-binding domains are responsible for ATP binding and hydrolysis, and their 3-dimensional structure is conserved across ATP-binding cassette proteins. Binding of ATP produces nucleotide-binding domain dimerization, a step necessary for hydrolysis. However, the possibility that nucleotide-binding domains bind and/or hydrolyze nucleotide triphosphates different from ATP has not been explored in detail...
October 17, 2016: Biochemical and Biophysical Research Communications
Travis Rayne Pickering, Jason L Heaton, Morris B Sutton, Ron J Clarke, Kathleen Kuman, Jess Hutton Senjem, C K Brain
We describe 14 hominin teeth and tooth fragments excavated recently from Swartkrans Cave (South Africa). The fossils derive from Members 1 (Lower Bank) and 3, from the Member 2/3 interface and from two deposits not yet assigned to member (the "Talus Cone Deposit" and the "Underground North Excavation" [UNE]) of the Swartkrans Formation, and include the first hominin fossil from the UNE, the two smallest Paranthropus robustus deciduous maxillary second molars in the entire hominin fossil record, and one of the smallest P...
November 2016: Journal of Human Evolution
Nicolas Marinval, Pierre Saboural, Oualid Haddad, Murielle Maire, Kevin Bassand, Frederic Geinguenaud, Nadia Djaker, Khadija Ben Akrout, Marc Lamy de la Chapelle, Romain Robert, Olivier Oudar, Erwan Guyot, Christelle Laguillier-Morizot, Angela Sutton, Cedric Chauvierre, Frederic Chaubet, Nathalie Charnaux, Hanna Hlawaty
Herein we investigate the structure/function relationships of fucoidans from Ascophyllum nodosum to analyze their pro-angiogenic effect and cellular uptake in native and glycosaminoglycan-free (GAG-free) human endothelial cells (HUVECs). Fucoidans are marine sulfated polysaccharides, which act as glycosaminoglycans mimetics. We hypothesized that the size and sulfation rate of fucoidans influence their ability to induce pro-angiogenic processes independently of GAGs. We collected two fractions of fucoidans, Low and Medium Molecular Weight Fucoidan (LMWF and MMWF, respectively) by size exclusion chromatography and characterized their composition (sulfate, fucose and uronic acid) by colorimetric measurement and Raman and FT-IR spectroscopy...
October 17, 2016: Marine Drugs
A J Sutton, R S Vohra, M Hollyman, P J Marriott, A Buja, D Alderson, S Pasquali, E A Griffiths
BACKGROUND: The optimal timing of cholecystectomy for patients admitted with acute gallbladder pathology is unclear. Some studies have shown that emergency cholecystectomy during the index admission can reduce length of hospital stay with similar rates of conversion to open surgery, complications and mortality compared with a 'delayed' operation following discharge. Others have reported that cholecystectomy during the index acute admission results in higher morbidity, extended length of stay and increased costs...
October 20, 2016: British Journal of Surgery
Hyejung Won, Luis de la Torre-Ubieta, Jason L Stein, Neelroop N Parikshak, Jerry Huang, Carli K Opland, Michael J Gandal, Gavin J Sutton, Farhad Hormozdiari, Daning Lu, Changhoon Lee, Eleazar Eskin, Irina Voineagu, Jason Ernst, Daniel H Geschwind
Three-dimensional physical interactions within chromosomes dynamically regulate gene expression in a tissue-specific manner. However, the 3D organization of chromosomes during human brain development and its role in regulating gene networks dysregulated in neurodevelopmental disorders, such as autism or schizophrenia, are unknown. Here we generate high-resolution 3D maps of chromatin contacts during human corticogenesis, permitting large-scale annotation of previously uncharacterized regulatory relationships relevant to the evolution of human cognition and disease...
October 19, 2016: Nature
Shane A Grace, Angela M Sutton, Eric S Armbrecht, Claudia I Vidal, Ilana S Rosman, Maria Y Hurley
Langerhans cell histiocytosis (LCH) is a proliferative disorder of Langerhans cells that can be challenging to distinguish histologically from Langerhans cell (LC) hyperplasia, seen in a variety of inflammatory dermatoses. Lesional cells in both entities demonstrate positive staining for CD1a and S100. Previous studies have demonstrated positive staining of fascin, CD31, and p53 in cases of LCH, but currently, no studies have compared the staining profiles of these markers between LCH and LC hyperplasia. The authors compared immunohistochemical staining profiles of LCH (n = 15) and various inflammatory dermatoses with LC hyperplasia (n = 15) using fascin, CD31, and p53...
October 18, 2016: American Journal of Dermatopathology
Laura Anselmi, Rachel Meacock, Søren Rud Kristensen, Tim Doran, Matt Sutton
BACKGROUND: Studies finding higher mortality rates for patients admitted to hospital at weekends rely on routine administrative data to adjust for risk of death, but these data may not adequately capture severity of illness. We examined how rates of patient arrival at accident and emergency (A&E) departments by ambulance-a marker of illness severity-were associated with in-hospital mortality by day and time of attendance. METHODS: Retrospective observational study of 3 027 946 admissions to 140 non-specialist hospital trusts in England between April 2013 and February 2014...
October 18, 2016: BMJ Quality & Safety
Stella Cecchetti, Zuzana Tatar, Pilar Galan, Bruno Pereira, Céline Lambert, Gael Mouterde, Angela Sutton, Martin Soubrier, Maxime Dougados
OBJECTIVES: The relationship between vitamin D and rheumatoid arthritis (RA) activity remains controversial. RA is a cardiovascular risk factor. A low level of vitamin D may increase blood pressure (BP) and decrease HDL-cholesterol. OBJECTIVES: We aimed to determine the prevalence of vitamin D deficiency in RA patients compared to controls, and also to investigate the relationship between vitamin D and RA activity, and between vitamin D and cardiovascular risk factors...
September 30, 2016: Clinical and Experimental Rheumatology
Gina L O'Grady, Heather A Best, Tamar E Sztal, Vanessa Schartner, Myriam Sanjuan-Vazquez, Sandra Donkervoort, Osorio Abath Neto, Roger Bryan Sutton, Biljana Ilkovski, Norma Beatriz Romero, Tanya Stojkovic, Jahannaz Dastgir, Leigh B Waddell, Anne Boland, Ying Hu, Caitlin Williams, Avnika A Ruparelia, Thierry Maisonobe, Anthony J Peduto, Stephen W Reddel, Monkol Lek, Taru Tukiainen, Beryl B Cummings, Himanshu Joshi, Juliette Nectoux, Susan Brammah, Jean-François Deleuze, Viola Oorschot Ing, Georg Ramm, Didem Ardicli, Kristen J Nowak, Beril Talim, Haluk Topaloglu, Nigel G Laing, Kathryn N North, Daniel G MacArthur, Sylvie Friant, Nigel F Clarke, Robert J Bryson-Richardson, Carsten G Bönnemann, Jocelyn Laporte, Sandra T Cooper
This study establishes PYROXD1 variants as a cause of early-onset myopathy and uses biospecimens and cell lines, yeast, and zebrafish models to elucidate the fundamental role of PYROXD1 in skeletal muscle. Exome sequencing identified recessive variants in PYROXD1 in nine probands from five families. Affected individuals presented in infancy or childhood with slowly progressive proximal and distal weakness, facial weakness, nasal speech, swallowing difficulties, and normal to moderately elevated creatine kinase...
September 28, 2016: American Journal of Human Genetics
Liliana Lefticariu, Stephen R Sutton, Kelly S Bender, Mihai Lefticariu, Martin Pentrak, Joseph W Stucki
Pollutants in acid mine drainage (AMD) are usually sequestered in neoformed nano- and micro-scale particles (nNP) through precipitation, co-precipitation, and sorption. Subsequent biogeochemical processes may control nNP stability and thus long-term contaminant immobilization. Mineralogical, chemical, and microbiological data collected from sediments accumulated over a six-year period in a coal-mine AMD treatment system were used to identify the pathways of contaminant dynamics. We present evidence that detrital nano- and micron-scale particles (dNP), composed mostly of clay minerals originating from the partial weathering of coal-mine waste, mediated biogeochemical processes that catalyzed AMD contaminant (1) immobilization by facilitating heterogeneous nucleation and growth of nNP in oxic zones, and (2) remobilization by promoting phase transformation and reductive dissolution of nNP in anoxic zones...
October 13, 2016: Science of the Total Environment
João Paulo Zen Siqueira, Deanna A Sutton, Dania García, Josepa Gené, Pamela Thomson, Nathan Wiederhold, Josep Guarro
Aspergillus section Versicolores includes species of clinical relevance and many others that have been poorly studied but are occasionally found in clinical samples. The aim of this study was to investigate, using a multilocus phylogenetic approach, the spectrum of species of the section Versicolores and to determine their in vitro antifungal susceptibility. The study was based on a set of 77 clinical isolates from different USA medical centres, which had been previously identified as belonging to this section...
November 2016: Fungal Biology
James D Ward, Paul C Sutton, Adrian D Werner, Robert Costanza, Steve H Mohr, Craig T Simmons
The argument that human society can decouple economic growth-defined as growth in Gross Domestic Product (GDP)-from growth in environmental impacts is appealing. If such decoupling is possible, it means that GDP growth is a sustainable societal goal. Here we show that the decoupling concept can be interpreted using an easily understood model of economic growth and environmental impact. The simple model is compared to historical data and modelled projections to demonstrate that growth in GDP ultimately cannot be decoupled from growth in material and energy use...
2016: PloS One
Nathan McDannold, Margaret Livingstone, Can Barış Top, Jonathan Sutton, Nick Todd, Natalia Vykhodtseva
This study investigated thermal ablation and skull-induced heating with a 230 kHz transcranial MRI-guided focused ultrasound (TcMRgFUS) system in nonhuman primates. We evaluated real-time acoustic feedback and aimed to understand whether cavitation contributed to the heating and the lesion formation. In four macaques, we sonicated thalamic targets at acoustic powers of 34-560 W (896-7590 J). Tissue effects evaluated with MRI and histology were compared to MRI-based temperature and thermal dose measurements, acoustic emissions recorded during the experiments, and acoustic and thermal simulations...
October 14, 2016: Physics in Medicine and Biology
Iman Sapru, Sarosh Khalid-Khan, Elaine Choi, Nazanin Alavi, Archana Patel, Chloe Sutton, Gbolahan Odejayi, Olivia G Calancie
OBJECTIVE: [1] To highlight the effectiveness of multi-family psychoeducation group therapy (MFPGT) in children with mood or anxiety disorders; [2] to measure change in knowledge and awareness of mood and anxiety disorders in families and children; and [3] to compare the relative effectiveness of online compared to live MFPGT. METHOD: Participants included families of children (12 years or younger) referred with a mood or anxiety disorder to the Division of Child and Adolescent Psychiatry at Queen's University (n=16) who were on a waitlist to see a psychiatrist...
October 14, 2016: International Journal of Adolescent Medicine and Health
Sanja Vickovic, Patrik L Ståhl, Fredrik Salmén, Sarantis Giatrellis, Jakub Orzechowski Westholm, Annelie Mollbrink, José Fernández Navarro, Joaquin Custodio, Magda Bienko, Lesley-Ann Sutton, Richard Rosenquist, Jonas Frisén, Joakim Lundeberg
Single-cell transcriptome analysis overcomes problems inherently associated with averaging gene expression measurements in bulk analysis. However, single-cell analysis is currently challenging in terms of cost, throughput and robustness. Here, we present a method enabling massive microarray-based barcoding of expression patterns in single cells, termed MASC-seq. This technology enables both imaging and high-throughput single-cell analysis, characterizing thousands of single-cell transcriptomes per day at a low cost (0...
October 14, 2016: Nature Communications
Dann Turner, Matthew E Wand, J Mark Sutton, Daniela Centron, Andrew M Kropinski, Darren M Reynolds
A novel temperate phage, vB_AbaS_TRS1, was isolated from cultures of Acinetobacter baumannii strain A118 that had been exposed to mitomycin C. Phage TRS1 belongs to the Siphoviridae family of bacteriophages and encapsulates a 40,749-bp genome encoding 70 coding sequences and a single tRNA.
October 13, 2016: Genome Announcements
R M Dorman, L M Yee, S H Sutton
In our perinatal HIV cohort, we have observed difficulty swallowing pills as a frequent and significant barrier to adherence to highly active antiretroviral therapy. We refer to this problem as pill aversion and define it as difficulty swallowing pills with no persistent medical or structural cause as well as the anxiety and physical symptoms associated with pill swallowing. By applying cognitive behavioral theory to behavioral patterns within our pregnant HIV-infected population, we seek to better understand the development and reinforcement of pill aversion behavior...
October 13, 2016: Journal of Perinatology: Official Journal of the California Perinatal Association
Felix J Lankester, Pieter A W M Wouters, Anna Czupryna, Guy H Palmer, Imam Mzimbiri, Sarah Cleaveland, Mike J Francis, David J Sutton, Denny G P Sonnemans
This study provides the first robust data that the antibody response of dogs vaccinated with Nobivac® Rabies vaccine stored for several months at high temperatures (up to 30°C) is not inferior to that of dogs vaccinated with vaccine stored under recommended cold-chain conditions (2-8°C). A controlled and randomized non-inferiority study was carried out comparing the four-week post vaccination serological responses of Tanzanian village dogs inoculated with vaccine which had been stored at elevated temperatures for different periods of time with those of dogs vaccinated with the same product stored according to label recommendations...
October 8, 2016: Vaccine
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