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https://www.readbyqxmd.com/read/27912971/efficacy-of-systemic-chemotherapy-plus-radical-nephroureterectomy-for-metastatic-upper-tract-urothelial-carcinoma
#1
Thomas Seisen, Tarun Jindal, Patrick Karabon, Akshay Sood, Joaquim Bellmunt, Morgan Rouprêt, Jeffrey J Leow, Malte W Vetterlein, Maxine Sun, Shaheen Alanee, Toni K Choueiri, Quoc-Dien Trinh, Mani Menon, Firas Abdollah
: Given the growing body of evidence supporting the benefit of primary tumor control for a wide range of metastatic malignancies, we hypothesized that chemotherapy plus radical nephroureterectomy (RNU) is associated with an overall survival (OS) benefit compared to chemotherapy alone for metastatic upper tract urothelial carcinoma (mUTUC). Within the National Cancer Data Base (2004-2012), we identified 398 (38.4%) and 637 (61.6%) patients who received chemotherapy plus RNU and chemotherapy alone, respectively...
November 29, 2016: European Urology
https://www.readbyqxmd.com/read/27910010/chromosome-preparation-for-myeloid-malignancies
#2
Eleanor K C Hui, Thomas S K Wan, Margaret H L Ng
Many cases of myeloid malignancies are associated with recurring cytogenetic aberrations. Chromosomal analysis can aid in diagnosis, predict prognosis, and disclose subsequent clonal evolution. Three different cell culture methods: direct harvest, nonsynchronized culture, and synchronized culture are usually prepared if the nucleated cell counts in marrow blood are sufficient. Synchronized culture is the first choice of method in myeloid malignancies, whereas the direct method can be omitted if the cell count is low...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27910009/cancer-cytogenetics-an-introduction
#3
Thomas S K Wan
The Philadelphia chromosome was the first chromosomal abnormality discovered in cancer using the cytogenetics technique in 1960, and was consistently associated with chronic myeloid leukemia. Over the past five decades, innovative technical advances in the field of cancer cytogenetics have greatly enhanced the detection ability of chromosomal alterations, and have facilitated the research and diagnostic potential of chromosomal studies in neoplasms. These developments notwithstanding, chromosome analysis of a single cell is still the easiest way to delineate and understand the relationship between clonal evolution and disease progression of cancer cells...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27898299/pfg-nmr-and-bayesian-analysis-to-characterise-non-newtonian-fluids
#4
Thomas W Blythe, Andrew J Sederman, E Hugh Stitt, Andrew P E York, Lynn F Gladden
Many industrial flow processes are sensitive to changes in the rheological behaviour of process fluids, and there therefore exists a need for methods that provide online, or inline, rheological characterisation necessary for process control and optimisation over timescales of minutes or less. Nuclear magnetic resonance (NMR) offers a non-invasive technique for this application, without limitation on optical opacity. We present a Bayesian analysis approach using pulsed field gradient (PFG) NMR to enable estimation of the rheological parameters of Herschel-Bulkley fluids in a pipe flow geometry, characterised by a flow behaviour index n, yield stress τ0, and consistency factor k, by analysis of the signal in q-space...
November 10, 2016: Journal of Magnetic Resonance
https://www.readbyqxmd.com/read/27884018/blood-transfusion-during-radical-chemo-radiotherapy-does-not-reduce-tumour-hypoxia-in-squamous-cell-cancer-of-the-head-and-neck
#5
Liam Welsh, Rafal Panek, Angela Riddell, Kee Wong, Martin O Leach, Mahvash Tavassoli, Durdana Rahman, Maria Schmidt, Tara Hurley, Lorna Grove, Thomas Richards, Dow-Mu Koh, Christopher Nutting, Kevin Harrington, Kate Newbold, Shreerang Bhide
BACKGROUND: Patients with head and neck squamous cell carcinoma (HNSCC) undergoing radical chemo-radiation (CRT) frequently receive transfusion with packed red cells (PRCT) during radiotherapy on the basis that PRCT increases tumour oxygenation and overcomes hypoxia-induced radio-resistance. This is likely to be a significant oversimplification given the fact that tumour hypoxia is the result of several intrinsic and extrinsic factors, including many that are not directly related to serum haemoglobin (Hb)...
November 24, 2016: British Journal of Cancer
https://www.readbyqxmd.com/read/27881566/association-of-bystander-cardiopulmonary-resuscitation-and-survival-according-to-ambulance-response-times-after-out-of-hospital-cardiac-arrest
#6
Shahzleen Rajan, Mads Wissenberg, Fredrik Folke, Steen M Hansen, Thomas A Gerds, Kristian Kragholm, Carolina Malta Hansen, Lena I M Karlsson, Freddy K Lippert, Lars Køber, Gunnar H Gislason, Christian Torp-Pedersen
BACKGROUND: -Bystander-initiated cardiopulmonary resuscitation (CPR) increases patient survival following out-of-hospital cardiac arrest (OHCA) but it is unknown to what degree bystander CPR remains positively associated with survival with increasing time to potential defibrillation. The main objective was to examine the association of bystander CPR with survival as time to advanced treatment increases. METHODS: -We studied 7,623 OHCA patients between 2005-2011, identified through the nationwide Danish Cardiac Arrest Register...
November 22, 2016: Circulation
https://www.readbyqxmd.com/read/27872760/factors-associated-with-pmtct-cascade-completion-in-four-african-countries
#7
Jodie Dionne-Odom, Thomas K Welty, Andrew O Westfall, Benjamin H Chi, Didier Koumavi Ekouevi, Margaret Kasaro, Pius M Tih, Alan T N Tita
Background. Many countries are working to reduce or eliminate mother-to-child transmission (MTCT) of HIV. Prevention efforts have been conceptualized as steps in a cascade but cascade completion rates during and after pregnancy are low. Methods. A cross-sectional survey was performed across 26 communities in Cameroon, Cote d'Ivoire, South Africa, and Zambia. Women who reported a pregnancy within two years were enrolled. Participant responses were used to construct the PMTCT cascade with all of the following steps required for completion: at least one antenatal visit, HIV testing performed, HIV testing result received, initiation of maternal prophylaxis, and initiation of infant prophylaxis...
2016: AIDS Research and Treatment
https://www.readbyqxmd.com/read/27868221/what-s-new-in-atopic-eczema-an-analysis-of-systematic-reviews-published-in-2014-part-2-treatment-and-prevention
#8
REVIEW
A Lloyd-Lavery, N K Rogers, S J Hatfield, D Grindlay, R Barnett, K S Thomas
This review forms part of a series of annual updates that summarize the evidence base for atopic eczema (AE). It provides a summary of key findings from 12 systematic reviews (SRs) that were published or indexed during 2014, and focuses on the treatment and prevention of AE. For an update of SRs on the epidemiology, mechanisms of disease and methodological issues, see Part 1 of this update. Although phototherapy and various systemic medications (including ciclosporin, azathioprine and methotrexate) are commonly used to treat AE, many of these have not been robustly assessed in head-to-head randomized controlled trials...
November 21, 2016: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/27861551/genomes-of-gardnerella-strains-reveal-an-abundance-of-prophages-within-the-bladder-microbiome
#9
Kema Malki, Jason W Shapiro, Travis K Price, Evann E Hilt, Krystal Thomas-White, Trina Sircar, Amy B Rosenfeld, Gina Kuffel, Michael J Zilliox, Alan J Wolfe, Catherine Putonti
Bacterial surveys of the vaginal and bladder human microbiota have revealed an abundance of many similar bacterial taxa. As the bladder was once thought to be sterile, the complex interactions between microbes within the bladder have yet to be characterized. To initiate this process, we have begun sequencing isolates, including the clinically relevant genus Gardnerella. Herein, we present the genomic sequences of four Gardnerella strains isolated from the bladders of women with symptoms of urgency urinary incontinence; these are the first Gardnerella genomes produced from this niche...
2016: PloS One
https://www.readbyqxmd.com/read/27858497/high-fat-diet-and-exercise-lead-to-a-disrupted-and-pathogenic-dna-methylome-in-mouse-liver
#10
Dan Zhou, Ryan A Hlady, Marissa J Schafer, Thomas A White, Chen Liu, Jeong-Hyeon Choi, Jordan D Miller, Lewis R Roberts, Nathan K LeBrasseur, Keith D Robertson
High-fat diet consumption and sedentary life style elevates risk for obesity, non-alcoholic fatty liver disease, and cancer. Exercise training conveys health benefits in populations with or without these chronic conditions. Diet and exercise regulate gene expression by mediating epigenetic mechanisms in many tissues; however, such effects are poorly documented in the liver, a central metabolic organ. To dissect the consequences of diet and exercise on the liver epigenome, we measured DNA methylation, using reduced representation bisulfite sequencing, and transcription, using RNA-seq, in mice maintained on a fast food diet with sedentary lifestyle or exercise, compared to control diet with and without exercise...
November 18, 2016: Epigenetics: Official Journal of the DNA Methylation Society
https://www.readbyqxmd.com/read/27849580/global-patterns-of-kelp-forest-change-over-the-past-half-century
#11
Kira A Krumhansl, Daniel K Okamoto, Andrew Rassweiler, Mark Novak, John J Bolton, Kyle C Cavanaugh, Sean D Connell, Craig R Johnson, Brenda Konar, Scott D Ling, Fiorenza Micheli, Kjell M Norderhaug, Alejandro Pérez-Matus, Isabel Sousa-Pinto, Daniel C Reed, Anne K Salomon, Nick T Shears, Thomas Wernberg, Robert J Anderson, Nevell S Barrett, Alejandro H Buschmann, Mark H Carr, Jennifer E Caselle, Sandrine Derrien-Courtel, Graham J Edgar, Matt Edwards, James A Estes, Claire Goodwin, Michael C Kenner, David J Kushner, Frithjof E Moy, Julia Nunn, Robert S Steneck, Julio Vásquez, Jane Watson, Jon D Witman, Jarrett E K Byrnes
Kelp forests (Order Laminariales) form key biogenic habitats in coastal regions of temperate and Arctic seas worldwide, providing ecosystem services valued in the range of billions of dollars annually. Although local evidence suggests that kelp forests are increasingly threatened by a variety of stressors, no comprehensive global analysis of change in kelp abundances currently exists. Here, we build and analyze a global database of kelp time series spanning the past half-century to assess regional and global trends in kelp abundances...
November 29, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27807111/cost-analysis-of-ceramic-heads-in-primary-total-hip-arthroplasty
#12
Keith J Carnes, Susan M Odum, Jennifer L Troyer, Thomas K Fehring
BACKGROUND: The advent of adverse local tissue reactions seen in metal-on-metal bearings, and the recent recognition of trunnionosis, have led many surgeons to recommend ceramic-on-polyethylene articulations for primary total hip arthroplasty. However, to our knowledge, there has been little research that has considered whether the increased cost of ceramic provides enough benefit over cobalt-chromium to justify its use. The primary purpose of this study was to compare the cost-effectiveness of ceramic-on-polyethylene implants and metal-on-polyethylene implants in patients undergoing total hip arthroplasty...
November 2, 2016: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/27798458/the-angiotensin-type-2-receptor-and-the-kidney
#13
Antonio A B Peluso, Robson A S Santos, Thomas Unger, U Muscha Steckelings
PURPOSE OF REVIEW: Angiotensin II is a main regulator of kidney function. Renal actions mediated by the angiotensin AT1 receptor have been well known for many years. In contrast, several details of angiotensin AT2 receptor actions in kidney physiology and pathophysiology were only described very recently. These findings are reviewed in this article. RECENT FINDINGS: Regarding the role of the angiotensin AT2 receptor in kidney physiology, a major recent finding was that the AT2 receptor-mediated inhibition of Na-H exchanger-3 and Na/K-ATPase in the renal proximal tubules is caused by internalisation of these transporters, thus reducing reabsorption and increasing natriuresis/diuresis...
January 2017: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/27796716/association-of-breast-cancer-risk-in-brca1-and-brca2-mutation-carriers-with-genetic-variants-showing-differential-allelic-expression-identification-of-a-modifier-of-breast-cancer-risk-at-locus-11q22-3
#14
Yosr Hamdi, Penny Soucy, Karoline B Kuchenbaeker, Tomi Pastinen, Arnaud Droit, Audrey Lemaçon, Julian Adlard, Kristiina Aittomäki, Irene L Andrulis, Adalgeir Arason, Norbert Arnold, Banu K Arun, Jacopo Azzollini, Anita Bane, Laure Barjhoux, Daniel Barrowdale, Javier Benitez, Pascaline Berthet, Marinus J Blok, Kristie Bobolis, Valérie Bonadona, Bernardo Bonanni, Angela R Bradbury, Carole Brewer, Bruno Buecher, Saundra S Buys, Maria A Caligo, Jocelyne Chiquette, Wendy K Chung, Kathleen B M Claes, Mary B Daly, Francesca Damiola, Rosemarie Davidson, Miguel De la Hoya, Kim De Leeneer, Orland Diez, Yuan Chun Ding, Riccardo Dolcetti, Susan M Domchek, Cecilia M Dorfling, Diana Eccles, Ros Eeles, Zakaria Einbeigi, Bent Ejlertsen, Christoph Engel, D Gareth Evans, Lidia Feliubadalo, Lenka Foretova, Florentia Fostira, William D Foulkes, George Fountzilas, Eitan Friedman, Debra Frost, Pamela Ganschow, Patricia A Ganz, Judy Garber, Simon A Gayther, Anne-Marie Gerdes, Gord Glendon, Andrew K Godwin, David E Goldgar, Mark H Greene, Jacek Gronwald, Eric Hahnen, Ute Hamann, Thomas V O Hansen, Steven Hart, John L Hays, Frans B L Hogervorst, Peter J Hulick, Evgeny N Imyanitov, Claudine Isaacs, Louise Izatt, Anna Jakubowska, Paul James, Ramunas Janavicius, Uffe Birk Jensen, Esther M John, Vijai Joseph, Walter Just, Katarzyna Kaczmarek, Beth Y Karlan, Carolien M Kets, Judy Kirk, Mieke Kriege, Yael Laitman, Maïté Laurent, Conxi Lazaro, Goska Leslie, Jenny Lester, Fabienne Lesueur, Annelie Liljegren, Niklas Loman, Jennifer T Loud, Siranoush Manoukian, Milena Mariani, Sylvie Mazoyer, Lesley McGuffog, Hanne E J Meijers-Heijboer, Alfons Meindl, Austin Miller, Marco Montagna, Anna Marie Mulligan, Katherine L Nathanson, Susan L Neuhausen, Heli Nevanlinna, Robert L Nussbaum, Edith Olah, Olufunmilayo I Olopade, Kai-Ren Ong, Jan C Oosterwijk, Ana Osorio, Laura Papi, Sue Kyung Park, Inge Sokilde Pedersen, Bernard Peissel, Pedro Perez Segura, Paolo Peterlongo, Catherine M Phelan, Paolo Radice, Johanna Rantala, Christine Rappaport-Fuerhauser, Gad Rennert, Andrea Richardson, Mark Robson, Gustavo C Rodriguez, Matti A Rookus, Rita Katharina Schmutzler, Nicolas Sevenet, Payal D Shah, Christian F Singer, Thomas P Slavin, Katie Snape, Johanna Sokolowska, Ida Marie Heeholm Sønderstrup, Melissa Southey, Amanda B Spurdle, Zsofia Stadler, Dominique Stoppa-Lyonnet, Grzegorz Sukiennicki, Christian Sutter, Yen Tan, Muy-Kheng Tea, Manuel R Teixeira, Alex Teulé, Soo-Hwang Teo, Mary Beth Terry, Mads Thomassen, Laima Tihomirova, Marc Tischkowitz, Silvia Tognazzo, Amanda Ewart Toland, Nadine Tung, Ans M W van den Ouweland, Rob B van der Luijt, Klaartje van Engelen, Elizabeth J van Rensburg, Raymonda Varon-Mateeva, Barbara Wappenschmidt, Juul T Wijnen, Timothy Rebbeck, Georgia Chenevix-Trench, Kenneth Offit, Fergus J Couch, Silje Nord, Douglas F Easton, Antonis C Antoniou, Jacques Simard
PURPOSE: Cis-acting regulatory SNPs resulting in differential allelic expression (DAE) may, in part, explain the underlying phenotypic variation associated with many complex diseases. To investigate whether common variants associated with DAE were involved in breast cancer susceptibility among BRCA1 and BRCA2 mutation carriers, a list of 175 genes was developed based of their involvement in cancer-related pathways. METHODS: Using data from a genome-wide map of SNPs associated with allelic expression, we assessed the association of ~320 SNPs located in the vicinity of these genes with breast and ovarian cancer risks in 15,252 BRCA1 and 8211 BRCA2 mutation carriers ascertained from 54 studies participating in the Consortium of Investigators of Modifiers of BRCA1/2...
October 28, 2016: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/27794297/indo-pacific-humpback-dolphin-occurrence-north-of-lantau-island-hong-kong-based-on-year-round-passive-acoustic-monitoring
#15
Lisa Munger, Marc O Lammers, Mattie Cifuentes, Bernd Würsig, Thomas A Jefferson, Samuel K Hung
Long-term passive acoustic monitoring (PAM) was conducted to study Indo-Pacific humpback dolphins, Sousa chinensis, as part of environmental impact assessments for several major coastal development projects in Hong Kong waters north of Lantau Island. Ecological acoustic recorders obtained 2711 days of recording at 13 sites from December 2012 to December 2014. Humpback dolphin sounds were manually detected on more than half of days with recordings at 12 sites, 8 of which were within proposed reclamation areas...
October 2016: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/27790991/approaching-a-realistic-force-balance-in-geodynamo-simulations
#16
Rakesh K Yadav, Thomas Gastine, Ulrich R Christensen, Scott J Wolk, Katja Poppenhaeger
Earth sustains its magnetic field by a dynamo process driven by convection in the liquid outer core. Geodynamo simulations have been successful in reproducing many observed properties of the geomagnetic field. However, although theoretical considerations suggest that flow in the core is governed by a balance between Lorentz force, rotational force, and buoyancy (called MAC balance for Magnetic, Archimedean, Coriolis) with only minute roles for viscous and inertial forces, dynamo simulations must use viscosity values that are many orders of magnitude larger than in the core, due to computational constraints...
October 25, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27773990/propionibacterium-acnes-susceptibility-and-correlation-with-hemolytic-phenotype
#17
Travis E Wright, K Keely Boyle, Thomas R Duquin, John K Crane
BACKGROUND: Many studies have noted an increase in the number of recognized cases of invasive infections due to Propionibacterium acnes, especially after shoulder replacement surgery. The increase in the number of recognized cases of P. acnes, a nonspore-forming, anaerobic, Gram-positive organism, appears due to both an increase in the number of shoulder operations being performed and more specimens being sent for anaerobic cultures. Nevertheless, the optimal surgical and antibiotic management of P...
2016: Infectious Diseases
https://www.readbyqxmd.com/read/27751167/effects-of-capecitabine-treatment-on-the-uptake-of-thymidine-analogs-using-exploratory-pet-imaging-agents-18-f-fau-18-f-fmau-and-18-f-flt
#18
Christopher I McHugh, Jawana M Lawhorn-Crews, Dipenkumar Modi, Kirk A Douglas, Steven K Jones, Thomas J Mangner, Jerry M Collins, Anthony F Shields
BACKGROUND: A principal goal for the use of positron emission tomography (PET) in oncology is for real-time evaluation of tumor response to chemotherapy. Given that many contemporary anti-neoplastic agents function by impairing cellular proliferation, it is of interest to develop imaging modalities to monitor these pathways. Here we examined the effect of capecitabine on the uptake of thymidine analogs used with PET: 3'-deoxy-3'-[(18)F]fluorothymidine ((18)F-FLT), 1-(2'-deoxy-2'-[(18)F]fluoro-β-D-arabinofuranosyl) thymidine ((18)F-FMAU), and 1-(2'-deoxy-2'-[(18)F]fluoro-β-D-arabinofuranosyl) uracil ((18)F-FAU) in patients with advanced cancer...
October 17, 2016: Cancer Imaging: the Official Publication of the International Cancer Imaging Society
https://www.readbyqxmd.com/read/27732842/cell-to-cell-transmission-of-dipeptide-repeat-proteins-linked-to-c9orf72-als-ftd
#19
Thomas Westergard, Brigid K Jensen, Xinmei Wen, Jingli Cai, Elizabeth Kropf, Lorraine Iacovitti, Piera Pasinelli, Davide Trotti
Aberrant hexanucleotide repeat expansions in C9orf72 are the most common genetic change underlying amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD). RNA transcripts containing these expansions undergo repeat-associated non-ATG translation (RAN-T) to form five dipeptide repeat proteins (DPRs). DPRs are found as aggregates throughout the CNS of C9orf72-ALS/FTD patients, and some cause degeneration when expressed in vitro in neuronal cultures and in vivo in animal models. The spread of characteristic disease-related proteins drives the progression of pathology in many neurodegenerative diseases...
October 11, 2016: Cell Reports
https://www.readbyqxmd.com/read/27721171/towards-a-more-accurate-quantitative-assessment-of-seasonal-cryptosporidium-infection-risks-in-surface-waters-using-species-and-genotype-information
#20
D R Lapen, P J Schmidt, J L Thomas, T A Edge, C Flemming, J Keithlin, N Neumann, F Pollari, N Ruecker, A Simhon, E Topp, G Wilkes, K D M Pintar
Many Cryptosporidium species/genotypes are not considered infectious to humans, and more realistic estimations of seasonal infection risks could be made using human infectious species/genotype information to inform quantitative microbial risk assessments (QMRA). Cryptosporidium oocyst concentration and species/genotype data were collected from three surface water surveillance programs in two river basins [South Nation River, SN (2004-09) and Grand River, GR (2005-13)] in Ontario, Canada to evaluate seasonal infection risks...
August 13, 2016: Water Research
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