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https://www.readbyqxmd.com/read/28183158/colonic-postpolypectomy-bleeding-is-related-to-polyp-size-and-heparin-use
#1
Flavia Pigò, Helga Bertani, Mauro Manno, Vincenzo Giorgio Mirante, Angelo Caruso, Santi Mangiafico, Raffaele Manta, Anna Maria Rebecchi, Rita Luisa Conigliaro
Background/Aims: We studied factors influencing colon postpolypectomy bleeding (PPB), with a focus on antithrombotic and anticoagulation therapy. Methods: We conducted a retrospective case-control study of all patients who underwent polypectomy at our tertiary referral center in Italy between 2007 and 2014. Polyp characteristics (number of polyps removed per patient, size, morphology, location, resection technique, prophylactic hemostasis methods) and patient characteristics (age, sex, comorbidities, medication) were analyzed...
February 9, 2017: Clinical Endoscopy
https://www.readbyqxmd.com/read/28177319/expression-and-crystallographic-studies-of-d-glycero-%C3%AE-d-manno-heptose-1-phosphate-adenylyltransferase-from-burkholderia-pseudomallei
#2
Jimin Park, Hyojin Kim, Suwon Kim, Daeun Lee, Dong Hae Shin
The Gram-negative bacterium Burkholderia pseudomallei is the causative agent of melioidosis. D-glycero-β-D-manno-Heptose-1-phosphate adenylyltransferase (HldC) is the fourth enzyme of the ADP-L-glycero-β-D-manno-heptose biosynthesis pathway, which produces an essential carbohydrate comprising the inner core of lipopolysaccharide. Therefore, HldC is a potential target of antibiotics against melioidosis. In this study, HldC from B. pseudomallei has been cloned, expressed, purified and crystallized. Synchrotron X-ray data from a selenomethionine-substituted HldC crystal were also collected to 2...
February 1, 2017: Acta Crystallographica. Section F, Structural Biology Communications
https://www.readbyqxmd.com/read/28162043/chest-ultrasonography-in-health-surveillance-of-asbestos-related-lung-diseases
#3
Andrea Smargiassi, Giuliana Pasciuto, Ilaria Pedicelli, Erminia Lo Greco, Mariarosaria Calvello, Riccardo Inchingolo, Gioacchino Schifino, Patrizio Capoluongo, Pasquale Patriciello, Maurizio Manno, Alfonso Cirillo, Giuseppe Maria Corbo, Gino Soldati, Ivo Iavicoli
OBJECTIVES: Exposure to asbestos fibers can lead to different lung diseases, such as pleural thickening and effusion, asbestosis, mesothelioma, and lung cancer. These diseases are expected to peak in the next few years. The aim of the study was to validate ultrasonography (US) as a diagnostic tool in the management of lung diseases in subjects with a history of occupational exposure to asbestos. METHODS: Fifty-nine retired male workers previously exposed to asbestos were enrolled in the study...
January 1, 2017: Toxicology and Industrial Health
https://www.readbyqxmd.com/read/28137848/single-polysaccharide-assembly-protein-that-integrates-polymerization-termination-and-chain-length-quality-control
#4
Danielle M Williams, Olga G Ovchinnikova, Akihiko Koizumi, Iain L Mainprize, Matthew S Kimber, Todd L Lowary, Chris Whitfield
Lipopolysaccharides (LPS) are essential outer membrane glycolipids in most gram-negative bacteria. Biosynthesis of the O-antigenic polysaccharide (OPS) component of LPS follows one of three widely distributed strategies, and similar processes are used to assemble other bacterial surface glycoconjugates. This study focuses on the ATP-binding cassette (ABC) transporter-dependent pathway, where glycans are completed on undecaprenyl diphosphate carriers at the cytosol:membrane interface, before export by the ABC transporter...
January 30, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28127097/synthesis-of-3-o-and-4-o-2-aminoethylphosphono-derivatives-of-methyl-l-glycero-%C3%AE-d-manno-heptopyranoside
#5
Martin Walter, Claudia Kohout, Markus Blaukopf, Paul Kosma
ABSTRACT: Phosphoethanolamine derivatives of the bacterial saccharide l-glycero-d-manno-heptose have been prepared using a phosphoramidite-based coupling reaction at position 4 of a side-chain-protected 2,3-O-orthoester methyl heptoside and at position 3 of a 3,4-diol heptoside, respectively. Global deprotection afforded the corresponding 2-aminoethylphosphodiester derivatives as substrates for crystallographic and binding studies with lectins and antibodies targeting the inner core structure of bacterial lipopolysaccharides...
2017: Monatshefte Für Chemie
https://www.readbyqxmd.com/read/28116883/on-the-terminology-to-refer-to-resistance-training-exercises
#6
Pietro Picerno, Renato Manno
No abstract text is available yet for this article.
January 23, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28107445/beta-glucans-supplementation-associates-with-reduction-in-p-cresyl-sulfate-levels-and-improved-endothelial-vascular-reactivity-in-healthy-individuals
#7
Carmela Cosola, Maria De Angelis, Maria Teresa Rocchetti, Eustacchio Montemurno, Valentina Maranzano, Giuseppe Dalfino, Carlo Manno, Annapaola Zito, Michele Gesualdo, Marco Matteo Ciccone, Marco Gobbetti, Loreto Gesualdo
BACKGROUND: Oat and barley beta-glucans are prebiotic fibers known for their cholesterol-lowering activity, but their action on the human gut microbiota metabolism is still under research. Although the induction of short-chain fatty acids (SCFA) following their ingestion has previously been reported, no study has investigated their effects on proteolytic uremic toxins p-cresyl sulfate (pCS) and indoxyl sulfate (IS) levels, while others have failed to demonstrate an effect on the endothelial function measured through flow-mediated dilation (FMD)...
2017: PloS One
https://www.readbyqxmd.com/read/28098447/the-stories-tryptophans-tell-exploring-protein-dynamics-of-heptosyltransferase-i-from-escherichia-coli
#8
Joy M Cote, Carlos A Ramirez-Mondragon, Zarek S Siegel, Daniel J Czyzyk, Jiali Gao, Yuk Y Sham, Ishita Mukerji, Erika A Taylor
Heptosyltransferase I (HepI) catalyzes the addition of l-glycero-β-d-manno-heptose to Kdo2-Lipid A, as part of the biosynthesis of the core region of lipopolysaccharide (LPS). Gram-negative bacteria with gene knockouts of HepI have reduced virulence and enhanced susceptibility to hydrophobic antibiotics, making the design of inhibitors of HepI of interest. Because HepI protein dynamics are partially rate-limiting, disruption of protein dynamics might provide a new strategy for inhibiting HepI. Discerning the global mechanism of HepI is anticipated to aid development of inhibitors of LPS biosynthesis...
January 30, 2017: Biochemistry
https://www.readbyqxmd.com/read/28095614/over-the-scope-clip-closure-for-treatment-of-post-pancreaticogastrostomy-occurring-pancreatic-fistula-a-case-series
#9
Santi Mangiafico, Angelo Caruso, Raffaele Manta, Giuseppe Grande, Helga Bertani, Vincenzo Mirante, Flavia Pigò, Luigi Magnano, Mauro Manno, Rita Conigliaro
BACKGROUND AND AIM: The over-the-scope clip (OTSC) system is a recently developed endoscopic device. In the last few years it has been successfully used for severe bleeding or deep wall lesions, or perforations of the GI tract. We hereby report a series of patients with post pancreaticogastrostomy occuring pancreatic fistula in whom OTSCs were used as endoscopic treatment. METHODS: We prospectively collected data from January 2012 to July 2015 about cases of postoperative pancreatic fistula...
January 17, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28078438/biological-monitoring-of-cobalt-in-hard-metal-factory-workers
#10
Andrea Princivalle, Ivo Iavicoli, Marzia Cerpelloni, Antonia Franceschi, Maurizio Manno, Luigi Perbellini
PURPOSE: The main aim of this study was to investigate the cobalt (Co) concentrations in urine along 4 months and their relationship with Co concentrations in blood and haemoglobin (adducts) in 34 workers from a hard metal manufacturing plant where metallic Co and Co oxide were used. Furthermore, the excretion kinetics of Co was investigated and the half-lives of Co in blood, plasma and urine were calculated along 18 days of non-exposure in the same workers. METHODS: Co was analysed, in all biological samples, by ICP/MS...
February 2017: International Archives of Occupational and Environmental Health
https://www.readbyqxmd.com/read/28069951/calsequestrin-depolymerizes-when-calcium-is-depleted-in-the-sarcoplasmic-reticulum-of-working-muscle
#11
Carlo Manno, Lourdes C Figueroa, Dirk Gillespie, Robert Fitts, ChulHee Kang, Clara Franzini-Armstrong, Eduardo Rios
Calsequestrin, the only known protein with cyclical storage and supply of calcium as main role, is proposed to have other functions, which remain unproven. Voluntary movement and the heart beat require this calcium flow to be massive and fast. How does calsequestrin do it? To bind large amounts of calcium in vitro, calsequestrin must polymerize and then depolymerize to release it. Does this rule apply inside the sarcoplasmic reticulum (SR) of a working cell? We answered using fluorescently tagged calsequestrin expressed in muscles of mice...
January 24, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28063198/functional-and-structural-studies-on-the-neisseria-gonorrhoeae-gmha-the-first-enzyme-in-the-glycero-manno-heptose-biosynthesis-pathways-demonstrate-a-critical-role-in-lipooligosaccharide-synthesis-and-gonococcal-viability
#12
Igor H Wierzbicki, Ryszard A Zielke, Konstantin V Korotkov, Aleksandra E Sikora
Sedoheptulose-7-phosphate isomerase, GmhA, is the first enzyme in the biosynthesis of nucleotide-activated-glycero-manno-heptoses and an attractive, yet underexploited, target for development of broad-spectrum antibiotics. We demonstrated that GmhA homologs in Neisseria gonorrhoeae and N. meningitidis (hereafter called GmhAGC and GmhANM , respectively) were interchangeable proteins essential for lipooligosaccharide (LOS) synthesis, and their depletion had adverse effects on neisserial viability. In contrast, the Escherichia coli ortholog failed to complement GmhAGC depletion...
January 7, 2017: MicrobiologyOpen
https://www.readbyqxmd.com/read/27994855/treatment-with-rituximab-in-idiopathic-membranous-nephropathy
#13
Marco Fiorentino, Francesco Tondolo, Francesca Bruno, Barbara Infante, Giuseppe Grandaliano, Loreto Gesualdo, Carlo Manno
BACKGROUND: Rituximab represents a valid therapeutic option to induce remission in patients with primary glomerulonephritis. Despite several studies proving its efficacy in improving outcomes in patients with membranous nephropathy (MN), its role in therapeutic protocols is not yet defined. METHODS: We studied 38 patients with idiopathic MN treated with rituximab (in 13 patients as first-line therapy, in the remaining 25 after conventional immunosuppressive therapy)...
December 2016: Clinical Kidney Journal
https://www.readbyqxmd.com/read/27986835/tannerella-forsythia-strains-display-different-cell-surface-nonulosonic-acids-biosynthetic-pathway-characterization-and-first-insight-into-biological-implications
#14
Valentin Friedrich, Bettina Janesch, Markus Windwarder, Daniel Maresch, Matthias L Braun, Zoë A Megson, Evgeny Vinogradov, Marie-France Goneau, Ashu Sharma, Friedrich Altmann, Paul Messner, Ian C Schoenhofen, Christina Schäffer
Tannerella forsythia is an anaerobic, Gram-negative periodontal pathogen. A unique O-linked oligosaccharide decorates the bacterium's cell surface proteins and was shown to modulate the host immune response. In our study, we investigated the biosynthesis of the nonulosonic acid (NulO) present at the terminal position of this glycan. A bioinformatic analysis of T. forsythia genomes revealed a gene locus for the synthesis of pseudaminic acid (Pse) in the type strain ATCC 43037 while strains FDC 92A2 and UB4 possess a locus for the synthesis of legionaminic acid (Leg) instead...
December 16, 2016: Glycobiology
https://www.readbyqxmd.com/read/27976667/icoh-international-code-of-ethics-for-occupational-health-professionals-historical-fortune-and-future-perspectives-in-italy
#15
Carlo Petyx, Giovanni Costa, Maurizio Manno, Antonio Valenti, Sergio Iavicoli
The Working Group responsible for the Italian translation of the third edition of the International Code of Ethics, appointed by the President of the International Commission on Occupational Health (ICOH), Dr. Jukka Takala, completed last April the revision work. The final text, already available on the ICOH website, has been printed and distributed by the Italian National Institute for Insurance against Accidents at Work (INAIL) at the 79th National Congress of the Italian Society of Occupational Medicine and Industrial Hygiene (SIMLII), in Rome...
December 13, 2016: La Medicina del Lavoro
https://www.readbyqxmd.com/read/27943112/efficacy-and-safety-of-uninterrupted-rivaroxaban-taken-preoperatively-for-radiofrequency-catheter-ablation-of-atrial-fibrillation-compared-to-uninterrupted-warfarin
#16
Susumu Tao, Kenichiro Otomo, Yuichi Ono, Yuki Osaka, Tatsuhiko Hirao, Kenji Koura, Tomoko Manno, Daisuke Ueshima, Shigeo Shimizu, Mitsuaki Isobe, Kenzo Hirao
PURPOSE: Data on uninterrupted rivaroxaban taken preoperatively for radiofrequency catheter ablation (RFCA) of atrial fibrillation (AF) is limited. The aim was to evaluate safety and efficacy of rivaroxaban taken in the morning for AF ablation, especially with regard to asymptomatic cerebral emboli (ACE) and anticoagulation parameters. METHODS: We prospectively evaluated 147 consecutive patients who underwent RFCA (mean age 66, 110 patients with paroxysmal AF), 76 of whom were on rivaroxaban, 71 on warfarin...
December 9, 2016: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/27938348/early-antiretroviral-treatment-eart-limits-viral-diversity-over-time-in-a-long-term-hiv-viral-suppressed-perinatally-infected-child
#17
Paolo Palma, Paola Zangari, Claudia Alteri, Hyppolite K Tchidjou, Emma Concetta Manno, Giuseppina Liuzzi, Carlo Federico Perno, Paolo Rossi, Ada Bertoli, Stefania Bernardi
BACKGROUND: HIV genetic diversity implicates major challenges for the control of viral infection by the immune system and for the identification of an effective immunotherapeutic strategy. With the present case report we underline as HIV evolution could be effectively halted by early antiretroviral treatment (eART). Few cases supported this evidence due to the difficulty of performing amplification and sequencing analysis in long-term viral suppressed patients. Here, we reported the case of limited HIV-1 viral evolution over time in a successful early treated child...
December 9, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27852357/a-multifaceted-approach-to-reduction-of-catheter-associated-urinary-tract-infections-in-the-intensive-care-unit-with-an-emphasis-on-stewardship-of-culturing
#18
Katherine M Mullin, Christopher S Kovacs, Cynthia Fatica, Colette Einloth, Elizabeth A Neuner, Jorge A Guzman, Eric Kaiser, Venu Menon, Leticia Castillo, Marc J Popovich, Edward M Manno, Steven M Gordon, Thomas G Fraser
BACKGROUND Catheter-associated urinary tract infections (CAUTIs) are among the most common hospital-acquired infections (HAIs). Reducing CAUTI rates has become a major focus of attention due to increasing public health concerns and reimbursement implications. OBJECTIVE To implement and describe a multifaceted intervention to decrease CAUTIs in our ICUs with an emphasis on indications for obtaining a urine culture. METHODS A project team composed of all critical care disciplines was assembled to address an institutional goal of decreasing CAUTIs...
February 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/27825201/-sentieri-renam-integration-of-incidence-mortality-and-hospitalization-general-remarks-and-a-focus-on-mesothelioma
#19
Susanna Conti, Pietro Comba, Valerio Manno, Giada Minelli, Carmela Nicita, Roberto Pasetto, Lucia Fazzo, Amerigo Zona, Caterina Bruno
The integration of current data sources is now a practice widely used in epidemiology, especially in the environmental field. To better describe the health profile of populations residing in proximity to areas characterized by a "strong environmental pressure", the combined use of multiple indicators (i.e., mortality, hospitalization, cancer incidence) is recommended. To choose an indicator is complex, as indicators should be contextualized and they need to be related to the several issues involved in the studied pathology...
September 2016: Epidemiologia e Prevenzione
https://www.readbyqxmd.com/read/27819518/x-ray-induced-mutation-of-bacillus-sp-mr10-for-manno-oligosaccharides-production-from-copra-meal
#20
Siriporn Chaikaew, Apinun Kanpiengjai, Jenjira Intatep, Kridsada Unban, Pairote Wongputtisin, Goro Takata, Chartchai Khanongnuch
The present study demonstrates the effectiveness of X-ray radiation in strain improvement for defective lipase production by Bacillus sp. MR10 for further application in the fermentative production of manno-oligosaccharides (MOS) from agricultural by-product, defatted copra meal (DCM). The mutants obtained were screened based on their defective lipase activity together with their β-mannanase production performance. Among 10 selected mutants, the strain M7 was the highest promising mutant regarding the smallest lipase activity (0...
November 7, 2016: Preparative Biochemistry & Biotechnology
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