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https://www.readbyqxmd.com/read/28340142/multigene-signature-for-predicting-prognosis-of-patients-with-1p19q-co-deletion-diffuse-glioma
#1
Xin Hu, Emmanuel Martinez-Ledesma, Siyuan Zheng, Hoon Kim, Floris Barthel, Tao Jiang, Kenneth R Hess, Roel G W Verhaak
Background.: Co-deletion of 1p and 19q marks a diffuse glioma subtype associated with relatively favorable overall survival; however, heterogeneous clinical outcomes are observed within this category. Methods.: We assembled gene expression profiles and sample annotation of 374 glioma patients carrying the 1p/19q co-deletion. We predicted 1p/19q status using gene expression when annotation was missing. A first cohort was randomly split into training (n = 170) and a validation dataset (n = 163)...
March 8, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28339927/characterizing-the-early-inflammatory-contribution-of-the-donor-kidney-following-reperfusion
#2
John P Stone, Muna Mohamud, Kavit Amin, William R Critchley, Rebecca J Edge, Marc J Clancy, Alexandra L Ball, James E Fildes
Background.: Donor kidneys contain a large reservoir of passenger leucocytes that contribute to acute rejection via direct alloantigen presentation and pro-inflammatory cytokine secretion. However, the early contribution of these cells following revascularization has not previously been described. We performed a secondary, high-volume preservation flush following cold storage to characterize the inflammatory contribution of the donor kidney upon reperfusion. Methods.: Porcine kidneys were retrieved using a protocol analogous to current UK clinical practice...
February 27, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28339796/the-identification-of-fungi-collected-from-the-ceca-of-commercial-poultry
#3
J A Byrd, D Y Caldwell, D J Nisbet
Under normal conditions, fungi are ignored unless a disease/syndrome clinical signs are reported. The scientific communities are largely unaware of the roles fungi play in normal production parameters. Numerous preharvest interventions have demonstrated that beneficial bacteria can play a role in improving productions parameters; however, most researchers have ignored the impact that fungi may have on production. The goal of the present study was to record fungi recovered from commercial broiler and layer houses during production...
February 22, 2017: Poultry Science
https://www.readbyqxmd.com/read/28339259/sinking-a-granular-raft
#4
Suzie Protière, Christophe Josserand, Jeffrey M Aristoff, Howard A Stone, Manouk Abkarian
We report experiments that yield new insights on the behavior of granular rafts at an oil-water interface. We show that these particle aggregates can float or sink depending on dimensionless parameters taking into account the particle densities and size and the densities of the two fluids. We characterize the raft shape and stability and propose a model to predict its shape and maximum length to remain afloat. Finally we find that wrinkles and folds appear along the raft due to compression by its own weight, which can trigger destabilization...
March 10, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28338721/mammographic-density-defined-by-higher-than-conventional-brightness-thresholds-better-predicts-breast-cancer-risk
#5
Tuong L Nguyen, Ye K Aung, Christopher F Evans, Gillian S Dite, Jennifer Stone, Robert J MacInnis, James G Dowty, Adrian Bickerstaffe, Kelly Aujard, Johanna M Rommens, Yun-Mi Song, Joohon Sung, Mark A Jenkins, Melissa C Southey, Graham G Giles, Carmel Apicella, John L Hopper
Background: Mammographic density defined by the conventional pixel brightness threshold, and adjusted for age and body mass index (BMI), is a well-established risk factor for breast cancer. We asked if higher thresholds better separate women with and without breast cancer. Methods: We studied Australian women, 354 with breast cancer over-sampled for early-onset and family history, and 944 unaffected controls frequency-matched for age at mammogram. We measured mammographic dense area and percent density using the CUMULUS software at the conventional threshold, which we call Cumulus , and at two increasingly higher thresholds, which we call Altocumulus and Cirrocumulus , respectively...
October 8, 2016: International Journal of Epidemiology
https://www.readbyqxmd.com/read/28338351/worldwide-impact-of-warmer-seasons-on-the-on-the-incidence-of-renal-colic-and-kidney-stone-disease-ksd-evidence-from-a-systematic-review-of-literature
#6
Robert Geraghty, Silvia Proietti, Olivier Traxer, Matthew Archer, Bhaskar K Somani
INTRODUCTION: Several studies have examined the link between temperature or monthly-seasonal variations and urolithiasis. The majority of these studies have demonstrated a link between higher ambient monthly temperatures and the incidence of renal colic and kidney stone disease (KSD). However a worldwide trend on this association has not been explored and we perform a systematic review to examine the effect of seasonal variations on renal colic and KSD. MATERIALS AND METHODS: A systematic review of literature over a 26-year period (1990-2017) was conducted on all studies reporting on the effect of seasonal variations and its link to KSD...
March 24, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28338309/impact-of-personalized-three-dimensional-3d-printed-pelvicalyceal-system-models-on-patient-information-in-percutaneous-nephrolithotripsy-surgery-a-pilot-study
#7
Hasan Anil Atalay, H Lütfi Canat, Volkan Ülker, İlter Alkan, Ünsal Özkuvanci, Fatih Altunrende
OBJECTIVE: To investigate the impact of personalized three dimensional (3D) printed pelvicalyceal system models on patient information before percutaneous nephrolithotripsy surgery. MATERIAL AND METHODS: Patients with unilateral complex renal stones with indicatation of percutaneous nephrolithotripsy surgery were selected. Usable data of patients were obtained from CT scans as Digital Imaging and Communications in Medicine (DICOM) format. Mimics software version 16...
March 24, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28338307/evaluation-of-the-spies%C3%A2-modalities-image-quality
#8
Esteban Emiliani, Michele Talso, Mohammed Baghdadi, Aarón Barreiro, Andrea Orosa, Pol Serviàn, Pavel Gavrilov, Silvia Proietti, Olivier Traxer
INTRODUCTION: The Spies™ system (Karl-Storz®) was introduced into digital ureteroscopy to improve endoscopic vision. To date, there is no data to either indicate which of the Spies modalities is better for improving diagnosis and treatment procedures, nor to compare the modalities in terms of image quality. The aim of this study was to evaluate and compare the image quality of five Spies™ modalities (SM) to the standard white light in an in-vitro model. MATERIALS AND METHODS: Two standardized grids and 3 stones of different composition were recorded in white light and the 5SM (Clara, Chroma, Clara+Chroma), Spectra A and B) using 4 standardized aqueous scenarios...
March 24, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28338303/what-is-the-quickest-scoring-system-to-predict-percutaneous-nephrolithotomy-outcomes-a-comparative-study-among-s-t-o-n-e-score-guy-s-stone-score-and-croes-nomogram
#9
Fabio C Vicentini, Felipe R Serzedello, Kay Thomas, Giovanni S Marchini, Fabio C M Torricelli, Miguel Srougi, Eduardo Mazzucchi
OBJECTIVE: To compare the application time and the capacity of the nomograms to predict the success of Guy's Stone Score (GSS), S.T.O.N.E. Nephrolithometry (STONE) and Clinical Research Office of the Endourological Society nephrolithometric nomogram (CROES) of percutaneous nephrolithotomy (PCNL), evaluating the most efficient one for clinical use. MATERIALS AND METHODS: We studied 48 patients who underwent PCNL by the same surgeon between 2010 and 2011. We calculated GSS, STONE and CROES based on preoperative non-contrast computed tomography (CT) images and clinical data...
March 24, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28338302/use-of-the-uro-dyna-ct-in-endourology-the-new-frontier
#10
Fabio C Vicentini, Luiz A A Botelho, José L M Braz, Ernane S Almeida, Marcelo Hisano
We describe the use of the Uro Dyna-CT, an imaging system used in the operating room that produces real-time three-dimensional (3D) imaging and cross-sectional image reconstructions similar to an intraoperative computerized tomography, during a percutaneous nephrolithotomy and a contralateral flexible ureteroscopy in a complete supine position. A 65 year-old female patient had an incomplete calyceal staghorn stone in the right kidney and a 10mm in the left one. The procedure was uneventful and the intraoperative use of the Uro Dyna-CT identified 2 residual stones that were not found by digital fluoroscopy and flexible nephroscopy at the end of surgery, helping us to render the patient stone-free in one procedure, which was confirmed by a postoperative CT scan...
March 24, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28338301/analgesia-for-patients-undergoing-shockwave-lithotripsy-for-urinary-stones-a-systematic-review-and-meta-analysis
#11
Omar M Aboumarzouk, Rami Hasan, Ali Tasleem, Martin Mariappan, Rachael Hutton, John Fitzpatrick, Laura Beatty, Gareth E Jones, Tarik Amer
BACKGROUND: Shock wave lithotripsy (SWL) is the first line treatment modality for a significant proportion of patients with upper urinary tracts stones. Simple analgesics, opioids and non-steroidal anti-inflammatory drugs (NSAIDs) are all suitable agents but the relative efficacy and tolerability of these agents is uncertain. OBJECTIVES: To determine the efficacy of the different types of analgesics used for the control of pain during SWL for urinary stones. MATERIALS AND METHODS: We searched the Cochrane Renal Group's Specialised Register, MEDLINE, EMBASE and also hand-searched reference lists of relevant articles (Figure-1)...
March 24, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28337530/chronic-sialadenitis-due-to-the-stone-inside-the-accessory-duct-of-submandibular-gland
#12
Murat Binar, Mert Cemal Gokgoz, Umit Aydin, Ibrahim Yavan, Serdar Karahatay
PURPOSE: Sialolithiasis is the most common cause of chronic sialadenitis. In this case report, intraoperative finding of an accessory submandibular duct, obstructed with stone, originating from the same gland nearby the main Warthon's duct, is presented. CASE REPORT: A 22-year-old male patient, suffering from eating-related pain and swelling in his left submandibular region, was diagnosed with left sublandibular gland sialadenitis with radiologically manifested sialolithiasis, and gland excision was advised...
March 23, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28337482/efficacy-and-safety-of-novel-digital-single-operator-peroral-cholangioscopy-guided-laser-lithotripsy-for-complicated-biliary-stones
#13
John Ct Wong, Raymond Sy Tang, Anthony Yb Teoh, Joseph Jy Sung, James Yw Lau
Background/study aims Laser lithotripsy can effectively fragment complicated biliary stones, but current cholangioscopes are limited by fragility, restricted mobility or moderate visual resolution. The efficacy and safety of a new digital single-operator peroral cholangioscope to guide laser lithotripsy were evaluated. Patients and methods In this prospective single-center series, consecutive patients with complicated biliary stones, defined as impacted stones > 1.5 cm in size and wider than the more distal common bile duct, or stones that failed extraction by basket mechanical lithotripsy, underwent ERCP and SpyGlass DS peroral cholangioscope (Boston Scientific, Marlborough, United States)-guided laser lithotripsy...
January 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/28336936/no-evidence-for-microsatellite-instability-in-acute-myeloid-leukemia
#14
C J Walker, A-K Eisfeld, L K Genutis, M Bainazar, J Kohlschmidt, K Mrózek, A J Carroll, J E Kolitz, B L Powell, E S Wang, R M Stone, R Bundschuh, A de la Chapelle, C D Bloomfield
Leukemia accepted article preview online, 24 March 2017. doi:10.1038/leu.2017.97.
March 24, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28336527/a-phase-i-clinical-trial-of-single-agent-selinexor-in-acute-myeloid-leukemia
#15
Ramiro Garzon, Michael Savona, Rachid Baz, Michael Andreeff, Nashat Gabrail, Martin Gutierrez, Lynn Savoie, Morten Mau-Sorensen, Nina Wagner-Johnston, Karen Yee, T J Unger, Jean Richard Saint-Martin, Robert Carlson, Tami Rashal, Trinayan Kashyap, Boris Klebanov, Sharon Shacham, Michael Kauffman, Richard Stone
Selinexor is a novel, first-in-class, Selective Inhibitor of Nuclear Export (SINE) compound, which blocks XPO1 function, leads to nuclear accumulation of tumor suppressor proteins (TSPs) and induces cancer cell death. A phase I dose-escalation study was initiated to examine the safety and efficacy of selinexor in patients with advanced hematological malignancies. Ninety-five patients with relapsed or refractory acute myeloid leukemia (AML) were enrolled between January 2013 and June 2014 to receive 4, 8 or 10 doses of selinexor in 21- or 28-day cycle...
March 23, 2017: Blood
https://www.readbyqxmd.com/read/28336427/high-resolution-anatomical-and-quantitative-mri-of-the-entire-human-occipital-lobe-ex-vivo-at-9-4t
#16
S Sengupta, F J Fritz, R L Harms, S Hildebrand, D H Y Tse, B A Poser, R Goebel, A Roebroeck
Several magnetic resonance imaging (MRI) contrasts are sensitive to myelin content in gray matter in vivo which has ignited ambitions of MRI-based in vivo cortical histology. Ultra-high field (UHF) MRI, at fields of 7T and beyond, is crucial to provide the resolution and contrast needed to sample contrasts over the depth of the cortex and get closer to layer resolved imaging. Ex vivo MRI of human post mortem samples is an important stepping stone to investigate MRI contrast in the cortex, validate it against histology techniques applied in situ to the same tissue, and investigate the resolutions needed to translate ex vivo findings to in vivo UHF MRI...
March 20, 2017: NeuroImage
https://www.readbyqxmd.com/read/28336220/ureteroscopy-and-laser-stone-fragmentation-ursl-for-large-%C3%A2-1%C3%A2-cm-paediatric-stones-outcomes-from-a-university-teaching-hospital
#17
N C Featherstone, B K Somani, S J Griffin
INTRODUCTION: The treatment of large renal stones (≥1 cm) in paediatric patients is challenging. The usual treatment options include percutaneous nephrolithotomy (PCNL) or shockwave lithotripsy (SWL). There is a rise in the use of ureteroscopy and laser stone fragmentation (URSL) for paediatric stones; however, outcomes of treatment for large renal stones in this age group are still largely unknown. OBJECTIVE: To investigate the outcome of URSL for large paediatric renal stones ≥1 cm treated at the present institution over the last 5 years...
August 24, 2016: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28336203/is-extracorporeal-shock-wave-lithotripsy-a-current-treatment-for-urolithiasis-a-systematic-review
#18
P Bahílo Mateu, A Budía Alba, E Liatsikos, M Trassierra Villa, J D López-Acón, D de Guzmán Ordaz, F Boronat Tormo
INTRODUCTION: Technological advances have prompted a change in the management of urolithiasis. Endourological techniques are gaining importance because they are highly effective treatments. The aim of this study was to answer the question of whether extracorporeal shock wave lithotripsy (ESWL) is still a competitive alternative compared with other therapeutic modalities. ACQUISITION OF EVIDENCE: We conducted a literature search of articles published in the past 5 years...
March 20, 2017: Actas Urologicas Españolas
https://www.readbyqxmd.com/read/28336050/mortality-risk-disparities-in-children-receiving-chronic-renal-replacement-therapy-for-the-treatment-of-end-stage-renal-disease-across-europe-an-espn-era-edta-registry-analysis
#19
Nicholas C Chesnaye, Franz Schaefer, Marjolein Bonthuis, Rebecca Holman, Sergey Baiko, Esra Baskın, Anna Bjerre, Sylvie Cloarec, Elisabeth A M Cornelissen, Laura Espinosa, James Heaf, Rosário Stone, Diamant Shtiza, Ilona Zagozdzon, Jérôme Harambat, Kitty J Jager, Jaap W Groothoff, Karlijn J van Stralen
BACKGROUND: We explored the variation in country mortality rates in the paediatric population receiving renal replacement therapy across Europe, and estimated how much of this variation could be explained by patient-level and country-level factors. METHODS: In this registry analysis, we extracted patient data from the European Society for Paediatric Nephrology/European Renal Association-European Dialysis and Transplant Association (ESPN/ERA-EDTA) Registry for 32 European countries...
March 20, 2017: Lancet
https://www.readbyqxmd.com/read/28335665/calcium-oxalate-crystals-induces-tight-junction-disruption-in-distal-renal-tubular-epithelial-cells-by-activating-ros-akt-p38-mapk-signaling-pathway
#20
Lei Yu, Xiuguo Gan, Xukun Liu, Ruihua An
Tight junction plays important roles in regulating paracellular transports and maintaining cell polarity. Calcium oxalate monohydrate (COM) crystals, the major crystalline composition of kidney stones, have been demonstrated to be able to cause tight junction disruption to accelerate renal cell injury. However, the cellular signaling involved in COM crystal-induced tight junction disruption remains largely to be investigated. In the present study, we proved that COM crystals induced tight junction disruption by activating ROS/Akt/p38 MAPK pathway...
November 2017: Renal Failure
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