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https://www.readbyqxmd.com/read/28934212/outcome-of-papillary-versus-clear-cell-renal-cell-carcinoma-varies-significantly-in-non-metastatic-disease
#1
Nina Wagener, Dominic Edelmann, Axel Benner, Richard Zigeuner, Hendrik Borgmann, Ingmar Wolff, Laura M Krabbe, Mireia Musquera, Paolo Dell'Oglio, Umberto Capitanio, Tobias Klatte, Luca Cindolo, Matthias May, Sabine D Brookman-May
Renal cell carcinoma (RCC) comprises a heterogenous group of tumors. Traditionally, papillary RCC (pRCC) is associated with a favorable outcome compared to clear cell RCC (ccRCC), while other series report equivalent or worse prognosis. In this paper we comparatively evaluate outcome of pRCC versus ccRCC in two large multi-institutional databases (cohort study), including distribution of pRCC subtypes 1 and 2. Retrospective data of 1,943 surgically treated pRCC patients from 17 European/ North American centers between 1984-2015 were compared to 5,600 ccRCC patients from a database comprising 11 European/ North American centers (1984-2011)...
2017: PloS One
https://www.readbyqxmd.com/read/28933538/bulky-%C3%AE-diketones-enabling-new-lewis-acidic-ligand-platforms
#2
Eser S Akturk, Steven J Scappaticci, Rachel N Seals, Michael P Marshak
The synthesis of a sterically encumbered β-diketone ligand ((Ar)acac) substituted with 2,6-(2,4,6-Me3C6H2)2C6H3 is described. Coordination complexes of the type M((Ar)acac)2Cl(solv) (M = Ti, V, Cr; solv = THF, CH3CN) were prepared by the reaction of (Ar)acac with MCl3 (M = V, Cr) or with TiCl4 to generate Ti((Ar)acac)2Cl2, followed by reduction. These complexes show a trend of alternating the cis/trans geometric preference with increasing d(n) electron count (n = 0, 1, 2, 3), which is rationalized in part by the unusual ability of β-diketonates to behave as either a weak π donor or a π acceptor in the cis and trans geometries, respectively...
September 21, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28932741/efficacies-of-various-anaerobic-starter-seeds-for-biogas-production-from-different-types-of-wastewater
#3
Pawinee Chaiprasert, Nasrul Hudayah, Chompoonut Auphimai
Various anaerobic starter seeds from different sources were investigated for their efficacies in treatment of different types of wastewater. Six combinations of starter seeds and wastewaters were selected out of 25 combination batch experiments and operated in semicontinuous reactors. It was noticed that the efficacies of various anaerobic starter seeds for biogas production from different types of wastewater in terms of reactor performance and stability were depended on wastewater characteristics and F/M ratio affecting microbial community and their microbial activities...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28932440/ethyl-2-4-meth-oxy-phen-yl-6-oxa-3-aza-bicyclo-3-1-0-hexane-3-carboxyl-ate-crystal-structure-and-hirshfeld-analysis
#4
Julio Zukerman-Schpector, Fabricia H Sugiyama, Ariel L L Garcia, Carlos Roque D Correia, Mukesh M Jotani, Edward R T Tiekink
The title compound, C14H17NO4, features an epoxide-O atom fused to a pyrrolidyl ring, the latter having an envelope conformation with the N atom being the flap. The 4-meth-oxy-phenyl group is orthogonal to [dihedral angle = 85.02 (6)°] and lies to the opposite side of the five-membered ring to the epoxide O atom, while the N-bound ethyl ester group (r.m.s. deviation of the five fitted atoms = 0.0187 Å) is twisted with respect to the ring [dihedral angle = 17.23 (9)°]. The most prominent inter-actions in the crystal are of the type methine-C-H⋯O(carbon-yl) and these lead to the formation of linear supra-molecular chains along the c axis; weak benzene-C-H⋯O(epoxide) and methine-C-H⋯O(meth-oxy) inter-actions connect these into a three-dimensional architecture...
July 1, 2017: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/28931677/structurally-guided-removal-of-deisgylase-biochemical-activity-from-papain-like-protease-originating-from-the-middle-east-respiratory-syndrome-virus
#5
Courtney M Daczkowski, Octavia Goodwin, John V Dzimianski, Jonathan J Farhat, Scott D Pegan
Middle East respiratory syndrome coronavirus (MERS-CoV) is an emerging human pathogen that is the causative agent for Middle East respiratory syndrome (MERS). With MERS outbreaks resulting in over 35% fatalities and now spread to 27 countries, MERS-CoV poses a significant on-going threat to global human health. As part of its viral genome, MERS-CoV encodes for a papain-like protease (PLpro) that has been observed to act as a deubiquitinase and deISGylase to antagonize IFN-I immune pathways. This activity is in addition to its viral polypeptide cleavage function...
September 20, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28930514/weight-and-metabolic-outcomes-12-years-after-gastric-bypass
#6
Ted D Adams, Lance E Davidson, Sheldon E Litwin, Jaewhan Kim, Ronette L Kolotkin, M Nazeem Nanjee, Jonathan M Gutierrez, Sara J Frogley, Anna R Ibele, Eliot A Brinton, Paul N Hopkins, Rodrick McKinlay, Steven C Simper, Steven C Hunt
BACKGROUND: Few long-term or controlled studies of bariatric surgery have been conducted to date. We report the 12-year follow-up results of an observational, prospective study of Roux-en-Y gastric bypass that was conducted in the United States. METHODS: A total of 1156 patients with severe obesity comprised three groups: 418 patients who sought and underwent Roux-en-Y gastric bypass (surgery group), 417 patients who sought but did not undergo surgery (primarily for insurance reasons) (nonsurgery group 1), and 321 patients who did not seek surgery (nonsurgery group 2)...
September 21, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28930362/rapid-development-of-specialty-population-registries-and-quality-measures-from-electronic-health-record-data-an-agile-framework
#7
Vaishnavi Kannan, Jason S Fish, Jacqueline M Mutz, Angela R Carrington, Ki Lai, Lisa S Davis, Josh E Youngblood, Mark R Rauschuber, Kathryn A Flores, Evan J Sara, Deepa G Bhat, DuWayne L Willett
BACKGROUND: Creation of a new electronic health record (EHR)-based registry often can be a "one-off" complex endeavor: first developing new EHR data collection and clinical decision support tools, followed by developing registry-specific data extractions from the EHR for analysis. Each development phase typically has its own long development and testing time, leading to a prolonged overall cycle time for delivering one functioning registry with companion reporting into production. The next registry request then starts from scratch...
June 14, 2017: Methods of Information in Medicine
https://www.readbyqxmd.com/read/28929915/is-synovitis-detected-on-non-contrast-enhanced-magnetic-resonance-imaging-associated-with-serum-biomarkers-and-clinical-signs-of-effusion-data-from-the-osteoarthritis-initiative
#8
L A Deveza, V B Kraus, J E Collins, A Guermazi, F W Roemer, M C Nevitt, D J Hunter
OBJECTIVES: To determine the relationship between synovitis detected on non-contrast-enhanced (non-CE) magnetic resonance imaging (MRI), biochemical markers of inflammation, and clinical assessment of effusion in people with knee osteoarthritis (OA). METHOD: We examined data from the OA Biomarkers Consortium within the Osteoarthritis Initiative (n = 600). Non-CE MRIs were semi-quantitatively scored (grades 0-3) for severity of Hoffa synovitis and effusion synovitis...
September 20, 2017: Scandinavian Journal of Rheumatology
https://www.readbyqxmd.com/read/28928246/exploiting-mitochondrial-and-oxidative-vulnerabilities-with-a-synthetic-analog-of-pancratistatin-in-combination-with-piperlongumine-for-cancer-therapy
#9
Dennis Ma, Tyler Gilbert, Christopher Pignanelli, Daniel Tarade, Megan Noel, Fadi Mansour, Manika Gupta, Sabrina Ma, Jesse Ropat, Colin Curran, Sergey Vshyvenko, Tomas Hudlicky, Siyaram Pandey
Harsh adverse effects as a result of nonspecific targeting of chemotherapeutics currently pose obstacles in cancer therapy; thus, it would be invaluable to devise novel approaches to specifically target cancer cells. The natural compound pancratistatin (PST) has been shown to preferentially induce apoptosis in a variety of cancer cell types. Recently, several analogs of PST were shown to be efficacious in inducing apoptosis in a variety of aggressive cancer cell types via cancer cell mitochondrial targeting; it caused dissipation of mitochondrial membrane potential and decreased oxygen consumption, and with isolated mitochondria, it induced the release of apoptogenic factors...
September 19, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28927951/definitive-airway-management-after-pre-hospital-supraglottic-airway-insertion-outcomes-and-a-management-algorithm-for-trauma-patients
#10
Matthew C Hernandez, Johnathon M Aho, Martin D Zielinski, Scott P Zietlow, Brian D Kim, David S Morris
BACKGROUND: Prehospital airway management increasingly involves supraglottic airway insertion and a paucity of data evaluates outcomes in trauma populations. We aim to describe definitive airway management in traumatically injured patients who necessitated prehospital supraglottic airway insertion. METHODS: We performed a single institution retrospective review of multisystem injured patients (≥15years) that received prehospital supraglottic airway insertion during 2009 to 2016...
September 16, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28927706/cardiovascular-safety-and-efficacy-of-the-pcsk9-inhibitor-evolocumab-in-patients-with-and-without-diabetes-and-the-effect-of-evolocumab-on-glycaemia-and-risk-of-new-onset-diabetes-a-prespecified-analysis-of-the-fourier-randomised-controlled-trial
#11
Marc S Sabatine, Lawrence A Leiter, Stephen D Wiviott, Robert P Giugliano, Prakash Deedwania, Gaetano M De Ferrari, Sabina A Murphy, Julia F Kuder, Ioanna Gouni-Berthold, Basil S Lewis, Yehuda Handelsman, Armando Lira Pineda, Narimon Honarpour, Anthony C Keech, Peter S Sever, Terje R Pedersen
BACKGROUND: The proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibitor evolocumab reduced LDL cholesterol and cardiovascular events in the FOURIER trial. In this prespecified analysis of FOURIER, we investigated the efficacy and safety of evolocumab by diabetes status and the effect of evolocumab on glycaemia and risk of developing diabetes. METHODS: FOURIER was a randomised trial of evolocumab (140 mg every 2 weeks or 420 mg once per month) versus placebo in 27 564 patients with atherosclerotic disease who were on statin therapy, followed up for a median of 2·2 years...
September 14, 2017: Lancet Diabetes & Endocrinology
https://www.readbyqxmd.com/read/28927644/acute-kidney-injury-is-a-risk-factor-for-subsequent-proteinuria
#12
Sharidan K Parr, Michael E Matheny, Khaled Abdel-Kader, Robert A Greevy, Aihua Bian, James Fly, Guanhua Chen, Theodore Speroff, Adriana M Hung, T Alp Ikizler, Edward D Siew
Acute kidney injury (AKI) is associated with subsequent chronic kidney disease (CKD), but the mechanism is unclear. To clarify this, we examined the association of AKI and new-onset or worsening proteinuria during the 12 months following hospitalization in a national retrospective cohort of United States Veterans hospitalized between 2004-2012. Patients with and without AKI were matched using baseline demographics, comorbidities, proteinuria, estimated glomerular filtration rate, blood pressure, angiotensin-converting enzyme inhibitor or angiotensin II receptor blocker (ACEI/ARB) use, and inpatient exposures linked to AKI...
September 16, 2017: Kidney International
https://www.readbyqxmd.com/read/28926383/mri-findings-in-patients-after-small-head-metal-on-metal-total-hip-arthroplasty-with-a-minimum-follow-up-of-10-years
#13
Tobias Reiner, Thuy D Do, Matthias C Klot, Fabian Hertzsch, Kirsten Seelmann, Matthias M Gaida, Marc-André Weber, Tobias Gotterbarm
BACKGROUND: Concern has been raised about the late onset of adverse reactions to metal debris (ARMD) in patients with a small-head metal-on-metal total hip replacement. The aims of this study were to assess the frequency and characteristic appearance of ARMD in patients with a small-head (28-mm) metal-on-metal total hip replacement and elevated blood ion levels (>1 μg/L) after a minimum follow-up of 10 years and to analyze the possible risk factors associated with the prevalence of these lesions...
September 20, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28925982/osmolyte-like-stabilizing-effects-of-low-gdnhcl-concentrations-on-d-glucose-d-galactose-binding-protein
#14
Alexander V Fonin, Alexandra D Golikova, Irina A Zvereva, Sabato D'Auria, Maria Staiano, Vladimir N Uversky, Irina M Kuznetsova, Konstantin K Turoverov
The ability of d-glucose/d-galactose-binding protein (GGBP) to reversibly interact with its ligands, glucose and galactose, makes this protein an attractive candidate for sensing elements of glucose biosensors. This potential is largely responsible for attracting researchers to study the conformational properties of this protein. Previously, we showed that an increase in the fluorescence intensity of the fluorescent dye 6-bromoacetyl-2-dimetylaminonaphtalene (BADAN) is linked to the holo-form of the GGBP/H152C mutant in solutions containing sub-denaturing concentrations of guanidine hydrochloride (GdnHCl)...
September 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28925394/tissue-inhibitor-of-metalloproteinase-1-promotes-cell-proliferation-through-yap-taz-activation-in-cancer
#15
T Ando, D Charindra, M Shrestha, H Umehara, I Ogawa, M Miyauchi, T Takata
Tissue inhibitor of metalloproteinase-1 (TIMP-1), a member of the TIMP family (TIMP-1 to 4), is highly expressed in various types of cancer and forms a complex with its receptor CD63 and Integrin β1. However, the precise oncogenic mechanism of TIMP-1 remains unclear. Yes-associated protein (YAP) and transcriptional co-activator with PDZ binding motif (TAZ) are transcription co-activators enhancing the transcription of specific genes related to cell proliferation. But the mechanism of aberrant YAP/TAZ activation in cancer is not fully understood...
September 18, 2017: Oncogene
https://www.readbyqxmd.com/read/28924536/genetic-analyses-of-the-nf1-gene-in-turkish-neurofibromatosis-type-i-patients-and-definition-of-three-novel-variants
#16
S D Ulusal, H Gürkan, E Atlı, S A Özal, M Çiftdemir, H Tozkır, Y Karal, H Güçlü, D Eker, I Görker
Neurofibromatosis Type I (NF1) is a multi systemic autosomal dominant neurocutaneous disorder predisposing patients to have benign and/or malignant lesions predominantly of the skin, nervous system and bone. Loss of function mutations or deletions of the NF1 gene is responsible for NF1 disease. Involvement of various pathogenic variants, the size of the gene and presence of pseudogenes makes it difficult to analyze. We aimed to report the results of 2 years of multiplex ligation-dependent probe amplification (MLPA) and next generation sequencing (NGS) for genetic diagnosis of NF1 applied at our genetic diagnosis center...
June 30, 2017: Balkan Journal of Medical Genetics: BJMG
https://www.readbyqxmd.com/read/28924046/in-silico-modeling-of-the-cryptic-e2-ubiquitin-binding-site-of-e6-associated-protein-e6ap-ube3a-reveals-the-mechanism-of-polyubiquitin-chain-assembly
#17
Virginia P Ronchi, Elizabeth D Kim, Christopher M Summa, Jennifer M Klein, Arthur L Haas
To understand the mechanism for assembly of Lys(48)-linked polyubiquitin degradation signals, we previously demonstrated the E6AP/UBE3A ligase harbors two functionally-distinct E2~ubiquitin binding sites: a high-affinity Site 1 required for E6AP Cys(820)~ubiquitin thioester formation and a canonical Site 2 responsible for subsequent chain elongation. Ordered binding to Sites 1 and 2 is here revealed by observation of UbcH7~ubiquitin-dependent substrate inhibition of chain formation at micromolar concentrations...
September 18, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28923625/genitourinary-malignancies-in-transplant-or-dialysis-patients-the-frequency-of-two-newly-described-2016-world-health-organization-histopathologic-types
#18
A Billis, L L L Freitas, L B E Costa, I S Barreto, M A Asato, K S Araujo, D M Losada, A P Herculiani, G V B S Tabosa, B C Zaidan, G L P Oliveira, L Q A Bastos, R M Rocha
BACKGROUND: The aim of this study was to revise the histopathologic types of neoplasias in the genitourinary tract and determine the frequency of 2 new entities included in the 2016 book of World Health Organization classification of renal tumors. It is not established so far whether these 2 recently described tumors are the most frequent in association with end-stage kidney disease. METHODS: In a retrospective analysis, we revised the histopathologic type of 37 genitourinary tumors from 21 patients in dialysis and/or submitted to renal transplantation from 2003 to 2016 aiming to find the frequency of acquired cystic disease-associated renal cell carcinoma and clear cell papillary (tubulopapillary) renal cell carcinoma...
October 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28922639/synthesis-and-characterization-of-8-hydroxyquinolin-1-ium-2-2-2-trifluoroacetate-and-8-hydroxyquinolin-1-ium-2-2-2-trichloroacetate-by-z-scan-technique
#19
M D Zidan, A Arfan, A Allahham
The 8-hydroxyquinolin-1-ium 2,2,2-trifluoroacetate and 8-hydroxyquinolin-1-ium 2,2,2-trichloroacetate (8-HQ) salts have been synthesized and characterized by FTIR, NMR and UV-Vis absorption spectroscopic methods. The third order nonlinear optical properties (NLO) of the two 8-HQ salts have been investigated by z-scan technique. The recorded experimental data led to calculate the nonlinear optical absorption coefficient (β), the nonlinear refractive index (n2), the excited-state absorption cross section (σex) and the ground-state absorption cross section (σg) of the studied compounds...
September 14, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28921583/associations-of-alcohol-intake-smoking-physical-activity-and-obesity-with-survival-following-colorectal-cancer-diagnosis-by-stage-anatomic-site-and-tumor-molecular-subtype
#20
Harindra Jayasekara, Dallas R English, Andrew Haydon, Allison M Hodge, Brigid M Lynch, Christophe Rosty, Elizabeth J Williamson, Mark Clendenning, Melissa C Southey, Mark A Jenkins, Robin Room, John L Hopper, Roger L Milne, Daniel D Buchanan, Graham G Giles, Robert J MacInnis
The influence of lifestyle factors on survival following a diagnosis of colorectal cancer (CRC) is not well established. We examined associations between lifestyle factors measured before diagnosis and CRC survival. The Melbourne Collaborative Cohort Study collected data on alcohol intake, cigarette smoking and physical activity, and body measurements at baseline (1990-94) and wave 2 (2003-07). We included participants diagnosed to 31 August 2015 with incident stage I-III CRC within 10-years post exposure assessment...
September 16, 2017: International Journal of Cancer. Journal International du Cancer
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