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https://www.readbyqxmd.com/read/28730566/acute-esophageal-necrosis-black-esophagus-a-case-report-and-literature-review
#1
Valerio Manno, Nicola Lentini, Antonio Chirico, Maria Perticone, Luigi Anastasio
No abstract text is available yet for this article.
July 21, 2017: Acta Diabetologica
https://www.readbyqxmd.com/read/28712957/secretory-expression-of-%C3%AE-mannanase-from-bacillus-circulans-nt-6-7-in-lactobacillus-plantarum
#2
Kwankanit Intaratrukul, Sunee Nitisinprasert, Thu-Ha Nguyen, Dietmar Haltrich, Suttipun Keawsompong
The β-mannanase gene of Bacillus circulans NT 6.7 was successfully cloned in Lactobacillus plantarum WCFS1 using the pSIP403 expression vector and secreted to the supernatant rather than accumulated in the cells. The highest activity was achieved by controlling the pH at 6 during cultivation. Maximum mannanase activities detected in the supernatant and cell-free extract of 200 ml MRS broth were 8.2 and 0.86 U/ml, respectively. Enzyme activity in the supernatant increased to 27 U/ml by fermentation in a 5-L bioreactor with automatic pH control...
July 13, 2017: Protein Expression and Purification
https://www.readbyqxmd.com/read/28654005/an-integrated-approach-for-the-environmental-characterization-of-a-wide-potentially-contaminated-area-in-southern-italy
#3
Daniela Ducci, Stefano Albanese, Lorenzo Boccia, Egidio Celentano, Elena Cervelli, Alfonso Corniello, Anna Crispo, Benedetto De Vivo, Paolo Iodice, Carmela Langella, Annamaria Lima, Maurizio Manno, Mario Palladino, Stefania Pindozzi, Marina Rigillo, Nunzio Romano, Mariangela Sellerino, Adolfo Senatore, Giuseppe Speranza, Nunzio Fiorentino, Massimo Fagnano
This paper deals with the environmental characterization of a large and densely populated area, with a poor reputation for contamination, considering the contribution of environmental features (air, soil, soil hydraulic and groundwater) and the potential effects on human health. The use of Geographic Information System (GIS) has made possible a georeferenced inventory and, by overlaying environmental information, an operational synthesis of comprehensive environmental conditions. The cumulative effects on environmental features were evaluated, taking into account superposition effects, by means of the Spatial MultiCriteria Decision Analysis (S-MCDA)...
June 27, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28646448/purification-of-the-exopolysaccharide-produced-by-alteromonas-infernus-identification-of-endotoxins-and-effective-process-to-remove-them
#4
Alicia Grivaud-Le Du, Agata Zykwinska, Corinne Sinquin, Jacqueline Ratiskol, Pierre Weiss, Claire Vinatier, Jérôme Guicheux, Christine Delbarre-Ladrat, Sylvia Colliec-Jouault
Alteromonas infernus bacterium isolated from deep-sea hydrothermal vents can produce by fermentation a high molecular weight exopolysaccharide (EPS) called GY785. This EPS described as a new source of glycosaminoglycan-like molecule presents a great potential for pharmaceutical and biotechnological applications. However, this unusual EPS is secreted by a Gram-negative bacterium and can be therefore contaminated by endotoxins, in particular the lipopolysaccharides (LPS). Biochemical and chemical analyses of the LPS extracted from A...
June 23, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28576858/inflammatory-arthritis-a-newly-recognized-adverse-event-of-immune-checkpoint-blockade
#5
Jarushka Naidoo, Laura C Cappelli, Patrick M Forde, Kristen A Marrone, Evan J Lipson, Hans J Hammers, William H Sharfman, Dung T Le, Alan N Baer, Ami A Shah, Jemima Albayda, Rebecca L Manno, Uzma Haque, Anna Kristina Gutierrez, Clifton O Bingham, Julie R Brahmer
No abstract text is available yet for this article.
June 2017: Oncologist
https://www.readbyqxmd.com/read/28569357/complications-following-the-mini-one-anastomosis-gastric-bypass-mgb-oagb-a-multi-institutional-survey-on-2678-patients-with-a-mid-term-5%C3%A2-years-follow-up
#6
Mario Musella, Antonio Susa, Emilio Manno, Maurizio De Luca, Francesco Greco, Marco Raffaelli, Stefano Cristiano, Marco Milone, Paolo Bianco, Antonio Vilardi, Ivana Damiano, Gianni Segato, Laura Pedretti, Piero Giustacchini, Domenico Fico, Gastone Veroux, Luigi Piazza
BACKGROUND: In recent years, several articles have reported considerable results with the Mini/One Anastomosis Gastric Bypass (MGB/OAGB) in terms of both weight loss and resolution of comorbidities. Despite those positive reports, some controversies still limit the widespread acceptance of this procedure. Therefore, a multicenter retrospective study, with the aim to investigate complications following this procedure, has been designed. PATIENTS AND METHODS: To report the complications rate following the MGB/OAGB and their management, and to assess the role of this approach in determining eventual complications related especially to the loop reconstruction, in the early and late postoperative periods, the clinical records of 2678 patients who underwent MGB/OAGB between 2006 and 2015 have been studied...
May 31, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28555595/endoscopic-vs-microscopic-approach-in-stapes-surgery-advantages-in-the-middle-ear-structures-visualization-and-trainee-s-point-of-view
#7
Giannicola Iannella, Dario Marcotullio, Massimo Re, Alessandra Manno, Benedetta Pasquariello, Diletta Angeletti, Vincenzo Falasca, Giuseppe Magliulo
OBJECTIVE: Comparing the endoscopic and microscopic approaches in stapes surgery, and establishing the surgical approach that allows better results in terms of visualization of the middle ear structures and aids assistant's training. MATERIALS AND METHODS: Twenty-one residents from the first to the fifth year of training in Otolaryngology were enrolled in this prospective study. A questionnaire specifically designed to investigate the understanding of middle ear anatomy, the surgical steps, and a personal opinion about endoscopic stapes surgery was submitted to each resident...
April 2017: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/28546836/synthesis-of-d-manno-heptulose-via-a-cascade-aldol-hemiketalization-reaction
#8
Yan Chen, Xiaoman Wang, Junchang Wang, You Yang
A [4 + 3] synthesis of D-manno-heptulose is described. The cascade aldol/hemiketalization reaction of a C4 aldehyde with a C3 ketone provides the differentially protected ketoheptose building block, which can be further reacted to furnish target D-manno-heptulose.
2017: Beilstein Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28541700/chemical-synthesis-of-d-glycero-d-manno-heptose-1-7-bisphosphate-and-evaluation-of-its-ability-to-modulate-nf-%C3%AE%C2%BAb-activation
#9
Shinsuke Inuki, Toshihiko Aiba, Shota Kawakami, Taishin Akiyama, Jun-Ichiro Inoue, Yukari Fujimoto
d-glycero-d-manno-Heptose 1,7-bisphosphate (HBP) is the precursor for heptose residues found in Gram-negative bacterial membrane surface glycoproteins and glycolipids. HBP β-anomer was recently reported to be a pathogen-associated molecular pattern (PAMP) that regulates TIFA-dependent immunity. Herein, we report the chemical synthesis of HBP α- and β-anomers, which highlights a C-7 carbon homologation via the Corey-Chaykovsky reaction, and the introduction of a phosphate group at the anomeric position using the Mitsunobu reaction...
May 25, 2017: Organic Letters
https://www.readbyqxmd.com/read/28509746/guidelines-for-family-centered-care-in-neuro-icu-populations-caveats-for-routine-palliative-care
#10
Michel T Torbey, Gretchen M Brophy, Panayiotis N Varelas, Julian Bösel, Edward Manno, Mary Kay Bader, Jose I Suarez, David Seder, W David Freeman
No abstract text is available yet for this article.
June 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28456102/enhanced-electrical-conductivity-of-collagen-films-through-long-range-aligned-iron-oxide-nanoparticles
#11
Valentina Bonfrate, Daniela Manno, Antonio Serra, Luca Salvatore, Alessandro Sannino, Alessandro Buccolieri, Tiziano Serra, Gabriele Giancane
The development of biocompatible collagen substrates able to conduct electric current along specific pathways represent an appealing issue in tissue engineering, since it is well known that electrical stimuli significantly affects important cell behaviour, such as proliferation, differentiation, directional migration, and, therefore, tissue regeneration. In this work, a cheap and easy approach was proposed to produce collagen-based films exhibiting enhanced electrical conductivity, through the simple manipulation of a weak external magnetic trigger...
April 22, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28452897/are-goods-for-guns-good-for-the-community-an-update-of-a-community-gun-buyback-program
#12
Jonathan Green, Rachelle N Damle, Rebecca E Kasper, Pina Violano, Mariann Manno, Pradeep P Nazarey, Jeremy T Aidlen, Michael P Hirsh
BACKGROUND: Gun violence remains a leading cause of death in the United States. Community gun buyback programs provide an opportunity to dispose of extraneous firearms. The purpose of this study was to understand the demographics, motivation, child access to firearms, and household mental illness of buyback participants in hopes of improving the program's effectiveness. METHODS: A 2015 Injury Free Coalition for Kids gun buyback program which collaborated with local police departments was studied...
August 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28447494/subtotal-resection-of-vestibular-schwannoma-evaluation-with-ki-67-measurement-magnetic-resonance-imaging-and-long-term-observation
#13
Giannicola Iannella, Marco de Vincentiis, Cira Di Gioia, Raffaella Carletti, Benedetta Pasquariello, Alessandra Manno, Diletta Angeletti, Ersilia Savastano, Giuseppe Magliulo
Purpose The aim of this study was to compare the postoperative clinical and radiological data of patients with vestibular schwannomas who were initially managed by near total resection (NTR) or subtotal resection (STR). The Ki-67 analysis results were compared with tumor regrowth to determine the presence of a correlation between this proliferative index and postoperative tumor regrowth. Study Design Seventeen adult patients (7 male, 10 female) were retrospectively reviewed. Nine (52.9%) and eight (47.1%) patients underwent NTR and STR, respectively...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28443908/polyvalent-c-glycomimetics-based-on-l-fucose-or-d-mannose-as-potent-dc-sign-antagonists
#14
Benedetta Bertolotti, Ieva Sutkeviciute, Martino Ambrosini, Renato Ribeiro-Viana, Javier Rojo, Franck Fieschi, Hana Dvořáková, Martina Kašáková, Kamil Parkan, Martina Hlaváčková, Kateřina Nováková, Jitka Moravcová
The C-type lectin DC-SIGN expressed on immature dendritic cells is a promising target for antiviral drug development. Previously, we have demonstrated that mono- and divalent C-glycosides based on d-manno and l-fuco configurations are promising DC-SIGN ligands. Here, we described the convergent synthesis of C-glycoside dendrimers decorated with 4, 6, 9, and 12 α-l-fucopyranosyl units and with 9 and 12 α-d-mannopyranosyl units. Their affinity against DC-SIGN was assessed by surface plasmon resonance (SPR) assays...
May 10, 2017: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/28438125/chlamydia-spp-development-is-differentially-altered-by-treatment-with-the-lpxc-inhibitor-lpc-011
#15
Erik D Cram, Daniel D Rockey, Brian P Dolan
BACKGROUND: Chlamydia species are obligate intracellular bacteria that infect a broad range of mammalian hosts. Members of related genera are pathogens of a variety of vertebrate and invertebrate species. Despite the diversity of Chlamydia, all species contain an outer membrane lipooligosaccharide (LOS) that is comprised of a genus-conserved, and genus-defining, trisaccharide 3-deoxy-D-manno-oct-2-ulosonic acid Kdo region. Recent studies with lipopolysaccharide inhibitors demonstrate that LOS is important for the C...
April 24, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28435469/interleukin-3-receptor-targeted-exosomes-inhibit-in-vitro-and-in-vivo-chronic-myelogenous-leukemia-cell-growth
#16
Daniele Bellavia, Stefania Raimondo, Giovanna Calabrese, Stefano Forte, Marta Cristaldi, Agostina Patinella, Lorenzo Memeo, Mauro Manno, Samuele Raccosta, Patrizia Diana, Girolamo Cirrincione, Gianluca Giavaresi, Francesca Monteleone, Simona Fontana, Giacomo De Leo, Riccardo Alessandro
Despite Imatinib (IM), a selective inhibitor of Bcr-Abl, having led to improved prognosis in Chronic Myeloid Leukemia (CML) patients, acquired resistance and long-term adverse effects is still being encountered. There is, therefore, urgent need to develop alternative strategies to overcome drug resistance. According to the molecules expressed on their surface, exosomes can target specific cells. Exosomes can also be loaded with a variety of molecules, thereby acting as a vehicle for the delivery of therapeutic agents...
2017: Theranostics
https://www.readbyqxmd.com/read/28398344/induction-of-functional-dopamine-neurons-from-human-astrocytes-in-vitro-and-mouse-astrocytes-in-a-parkinson-s-disease-model
#17
Pia Rivetti di Val Cervo, Roman A Romanov, Giada Spigolon, Débora Masini, Elisa Martín-Montañez, Enrique M Toledo, Gioele La Manno, Michael Feyder, Christian Pifl, Yi-Han Ng, Sara Padrell Sánchez, Sten Linnarsson, Marius Wernig, Tibor Harkany, Gilberto Fisone, Ernest Arenas
Cell replacement therapies for neurodegenerative disease have focused on transplantation of the cell types affected by the pathological process. Here we describe an alternative strategy for Parkinson's disease in which dopamine neurons are generated by direct conversion of astrocytes. Using three transcription factors, NEUROD1, ASCL1 and LMX1A, and the microRNA miR218, collectively designated NeAL218, we reprogram human astrocytes in vitro, and mouse astrocytes in vivo, into induced dopamine neurons (iDANs)...
May 2017: Nature Biotechnology
https://www.readbyqxmd.com/read/28395670/absence-of-physiological-ca-2-transients-is-an-initial-trigger-for-mitochondrial-dysfunction-in-skeletal-muscle-following-denervation
#18
Chehade Karam, Jianxun Yi, Yajuan Xiao, Kamal Dhakal, Lin Zhang, Xuejun Li, Carlo Manno, Jiejia Xu, Kaitao Li, Heping Cheng, Jianjie Ma, Jingsong Zhou
BACKGROUND: Motor neurons control muscle contraction by initiating action potentials in muscle. Denervation of muscle from motor neurons leads to muscle atrophy, which is linked to mitochondrial dysfunction. It is known that denervation promotes mitochondrial reactive oxygen species (ROS) production in muscle, whereas the initial cause of mitochondrial ROS production in denervated muscle remains elusive. Since denervation isolates muscle from motor neurons and deprives it from any electric stimulation, no action potentials are initiated, and therefore, no physiological Ca(2+) transients are generated inside denervated muscle fibers...
April 10, 2017: Skeletal Muscle
https://www.readbyqxmd.com/read/28355652/endoscopic-dissection-of-a-symptomatic-giant-gastric-leiomyoma-arising-from-the-muscularis-propria
#19
Mauro Manno, Paola Soriani, Vincenzo G Mirante, Giuseppe Grande, Flavia Pigò, Rita L Conigliaro
No abstract text is available yet for this article.
February 2017: Endoscopy
https://www.readbyqxmd.com/read/28342969/structural-and-genetic-characterization-of-the-o-antigen-of-enterobacter-cloacae-c5529-related-to-the-o-antigen-of-e-%C3%A2-cloacae-g3054
#20
Runhua Han, Andrei V Perepelov, Yuanyuan Wang, Andrei V Filatov, Min Wang, Alexander S Shashkov, Lei Wang, Yuriy A Knirel
On mild acid degradation of the lipopolysaccharide of Enterobacter cloacae C5529, the O-polysaccharide chain was cleaved at the linkages of 5,7-diacetamido-3,5,7,9-tetradeoxy-l-glycero-l-manno-non-2-ulosonic acid (di-N-acetylpseudaminic acid, Psep5Ac7Ac). The resultant oligosaccharide and an alkali-treated lipopolysaccharide were studied by sugar analysis along with (1)H and (13)C NMR spectroscopy, and the following structure of the tetrasaccharide repeating unit of the O-polysaccharide was established: →4)-β-Psep5Ac7Ac-(2 → 3)-β-d-Galp-(1 → 6)-β-d-Galf-(1 → 3)-α-d-Galp-(1→ It differs from a structurally related O-polysaccharide of E...
February 28, 2017: Carbohydrate Research
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