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https://www.readbyqxmd.com/read/28350625/outcome-and-histopathology-of-secondary-penetrating-keratoplasty-graft-failure-managed-by-descemet-membrane-endothelial-keratoplasty
#1
Itay Lavy, Vasilios S Liarakos, Robert M Verdijk, Jack Parker, Thomas M Müller, Marieke Bruinsma, Perry S Binder, Gerrit R J Melles
PURPOSE: To describe the clinical outcome and histopathology of Descemet membrane endothelial keratoplasty (DMEK) performed for secondary graft failure after penetrating keratoplasty (PK). METHODS: A total of 11 eyes from 10 patients who underwent DMEK for secondary PK graft failure at a tertiary referral center were included in this retrospective study. Best-corrected visual acuity, endothelial cell density, and central pachymetry were evaluated before and at regular time intervals up to 36 months after DMEK and complications were recorded; 1 post mortem cornea was available for light microscopy...
March 21, 2017: Cornea
https://www.readbyqxmd.com/read/28332400/oligonucleotide-sensor-based-on-selective-capture-of-upconversion-nanoparticles-triggered-by-target-induced-dna-inter-strand-ligand-reaction
#2
Diego Mendez-Gonzalez, Marco Laurenti, Alfonso Latorre, Álvaro Somoza, Ana Vazquez, Ana Isabel Negredo, Enrique Lopez-Cabarcos, Oscar Gómez Calderón, Sonia Melle, Jorge Rubio-Retama
We present a sensor that exploits the phenomenon of upconversion luminescence to detect the presence of specific sequences of small oligonucleotides like miRNAs among others. The sensor is based on NaYF4:Yb,Er@SiO2 nanoparticles functionalized with ssDNA that contain azide groups on the 3' ends. In the presence of a target sequence, inter-strand ligation is possible via click-reaction between one azide of the upconversion probe and a DBCO-ssDNA-biotin probe present in the solution. As result of this specific and selective process, biotin is covalently attached to the surface of the upconversion nanoparticles...
March 23, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28329267/right-ventricular-recovery-after-bilateral-lung-transplantation-for-pulmonary-arterial-hypertension%C3%A2
#3
Thomas M Gorter, Erik A M Verschuuren, Dirk J van Veldhuisen, Elke S Hoendermis, Michiel E Erasmus, Harm J Bogaard, Anton Vonk Noordegraaf, Rolf M F Berger, Joost P van Melle, Tineke P Willems
OBJECTIVES: Pulmonary arterial hypertension (PAH) is a progressive and often fatal disease characterized by increased pulmonary vascular resistance (PVR) and right ventricular (RV) failure. End-stage PAH is often an indication for a lung transplant (LTX). Our goal was to study ventricular recovery using cardiac magnetic resonance imaging late after LTX. METHODS: We studied 10 patients with PAH who underwent isolated bilateral LTX. RV and left ventricular (LV) volumes, function and mass were measured...
March 3, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28326584/editorial-scoring-systems-in-primary-biliary-cholangitis-time-to-make-a-move
#4
EDITORIAL
G F Mells, D E Jones
No abstract text is available yet for this article.
April 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28325850/phenotypic-diversity-and-genotypic-flexibility-of-burkholderia-cenocepacia-during-long-term-chronic-infection-of-cystic-fibrosis-lungs
#5
Amy Huei-Yi Lee, Stephane Flibotte, Sunita Sinha, Adrianna Paiero, Rachel L Ehrlich, Sergey Balashov, Garth D Ehrlich, James E A Zlosnik, Joshua Chang Mell, Corey Nislow
Chronic bacterial infections of the lung are the leading cause of morbidity and mortality in cystic fibrosis patients. Tracking bacterial evolution during chronic infections can provide insights into how host selection pressures-including immune responses and therapeutic interventions-shape bacterial genomes. We carried out genomic and phenotypic analyses of 215 serially collected Burkholderia cenocepacia isolates from 16 cystic fibrosis patients, spanning a period of 2-20 yr and a broad range of epidemic lineages...
March 21, 2017: Genome Research
https://www.readbyqxmd.com/read/28319069/the-branched-chain-amino-acid-transaminase-1-sustains-growth-of-antiestrogen-resistant-and-er%C3%AE-negative-breast-cancer
#6
V Thewes, R Simon, M Hlevnjak, M Schlotter, P Schroeter, K Schmidt, Y Wu, T Anzeneder, W Wang, P Windisch, M Kirchgäßner, N Melling, N Kneisel, R Büttner, U Deuschle, H P Sinn, A Schneeweiss, S Heck, S Kaulfuss, H Hess-Stumpp, J G Okun, G Sauter, A E Lykkesfeldt, M Zapatka, B Radlwimmer, P Lichter, M Tönjes
Antiestrogen-resistant and triple-negative breast tumors pose a serious clinical challenge because of limited treatment options. We assessed global gene expression changes in antiestrogen-sensitive compared with antiestrogen-resistant (two tamoxifen resistant and two fulvestrant resistant) MCF-7 breast cancer cell lines. The branched-chain amino acid transaminase 1 (BCAT1), which catalyzes the first step in the breakdown of branched-chain amino acids, was among the most upregulated transcripts in antiestrogen-resistant cells...
March 20, 2017: Oncogene
https://www.readbyqxmd.com/read/28318084/twisted-aromatic-frameworks-readily-exfoliable-and-solution-processable-two-dimensional-conjugated-microporous-polymers
#7
A Belen Marco, Diego Cortizo-Lacalle, Iñigo Perez-Miqueo, Giovanni Valenti, Alessandro Boni, Jan Plas, Karol Strutyński, Steven De Feyter, Francesco Paolucci, Mario Montes, Andrei N Khlobystov, Manuel Melle-Franco, Aurelio Mateo-Alonso
Twisted two-dimensional aromatic frameworks have been prepared by overcrowding the nodes with bulky and rigid substituents. The highly distorted aromatic framework with alternating out-of-plane substituents results in diminished interlayer interactions that favor the exfoliation and dispersion of individual layers in organic media.
March 20, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28292279/the-quality-of-severe-mental-disorder-diagnoses-in-a-national-health-registry-as-compared-to-research-diagnoses-based-on-structured-interview
#8
Ragnar Nesvåg, Erik G Jönsson, Inger Johanne Bakken, Gun Peggy Knudsen, Thomas D Bjella, Ted Reichborn-Kjennerud, Ingrid Melle, Ole A Andreassen
BACKGROUND: Utilization of diagnostic information from national patient registries rests on the quality of the registered diagnoses. We aimed to investigate the agreement and consistency of diagnoses of psychotic and bipolar disorders in the Norwegian Patient Registry (NPR) compared to structured interview-based diagnoses given as part of a clinical research project. METHODS: Diagnostic data from NPR were obtained for the period 01.01.2008-31.12.2013 for all patients who had been included in the Thematically Organized Psychosis (TOP) study between 18...
March 14, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28291368/synthesis-and-properties-of-a-twisted-and-stable-tetracyano-substituted-tetrabenzoheptacene
#9
Marta Martínez-Abadía, Gabriella Antonicelli, Elisabetta Zuccatti, Ainhoa Atxabal, Manuel Melle-Franco, Luis E Hueso, Aurelio Mateo-Alonso
An approach for the synthesis of pyrene-fused acenes that allows the introduction of electron-withdrawing cyano groups in key positions that simultaneously (i) induce twists in the aromatic framework and (ii) stabilize the LUMO level is reported. This combination of steric and electronic features provide a twisted, stable, and n-type tetrabenzoheptacene as confirmed by a combination of theoretical calculations and optical, electrochemical, thermal, and electrical characterization.
March 14, 2017: Organic Letters
https://www.readbyqxmd.com/read/28284865/total-synthesis-and-antileukemic-evaluations-of-the-phenazine-5-10-dioxide-natural-products-iodinin-myxin-and-their-derivatives
#10
Elvar Örn Viktorsson, Bendik Melling Grøthe, Reidun Aesoy, Misbah Sabir, Simen Snellingen, Anthony Prandina, Ove Alexander Høgmoen Åstrand, Tore Bonge-Hansen, Stein Ove Døskeland, Lars Herfindal, Pål Rongved
A new efficient total synthesis of the phenazine 5,10-dioxide natural products iodinin and myxin and new compounds derived from them was achieved in few steps, a key-step being 1,6-dihydroxyphenazine di-N-oxidation. Analogues prepared from iodinin, including myxin and 2-ethoxy-2-oxoethoxy derivatives, had fully retained cytotoxic effect against human cancer cells (MOLM-13 leukemia) at atmospheric and low oxygen level. Moreover, iodinin was for the first time shown to be hypoxia selective. The structure-activity relationship for leukemia cell death induction revealed that the level of N-oxide functionality was essential for cytotoxicity...
February 28, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28258620/changes-in-lipidomic-profile-of-aqueous-humour-in-fuchs-endothelial-dystrophy
#11
Javier Cabrerizo, Javier Aritz Urcola, Elena Vecino, Gerrit Melles
PURPOSE: To identify and determine differences in lipid profile of aqueous humour (AH) in patients with Fuchs endothelial corneal dystrophy (FECD). METHODS: Lipidomic profile of eight AH samples of FECD patients and 10 control samples was analysed. Patients with previous history of anterior segment surgery, anterior segment pathology or intraocular injections were excluded. Topical ocular medications within the last 6 months were reported. Aqueous humour (AH) was obtained during the first step of Descemet membrane endothelial keratoplasty in FECD patients and during refractive lensectomy in the control group...
March 4, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28257439/diminished-liver-microperfusion-in-fontan-patients-a-biexponential-dwi-study
#12
Hildebrand Dijkstra, Djoeke Wolff, Joost P van Melle, Beatrijs Bartelds, Tineke P Willems, Matthijs Oudkerk, Hans Hillege, Aad P van den Berg, Tjark Ebels, Rolf M F Berger, Paul E Sijens
It has been demonstrated that hepatic apparent diffusion coefficients (ADC) are decreasing in patients with a Fontan circulation. It remains however unclear whether this is a true decrease of molecular diffusion, or rather reflects decreased microperfusion due to decreased portal blood flow. The purpose of this study was therefore to differentiate diffusion and microperfusion using intravoxel incoherent motion (IVIM) modeled diffusion-weighted imaging (DWI) for different liver segments in patients with a Fontan circulation, compare to a control group, and relate with liver function, chronic hepatic congestion and hepatic disease...
2017: PloS One
https://www.readbyqxmd.com/read/28247246/appropriate-use-criteria-for-echocardiography-in-the-netherlands
#13
B J Bouma, R Riezenbos, A J Voogel, M H Veldhorst, W Jaarsma, J Hrudova, B Cernohorsky, S Chamuleau, R B A van den Brink, R Breedveld, C Reichert, O Kamp, R Braam, J P van Melle
INTRODUCTION: Appropriate use criteria (AUC) for echocardiography based on clinical scenarios were previously published by an American Task Force. We determined whether members of the Dutch Working Group on Echocardiography (WGE) would rate these scenarios in a similar way. METHODS: All 32 members of the WGE were invited to judge clinical scenarios independently using a blanked version of the previously published American version of AUC for echocardiography. During a face-to-face meeting, consensus about the final rating was reached by open discussion for each indication...
February 28, 2017: Netherlands Heart Journal
https://www.readbyqxmd.com/read/28244416/longitudinal-changes-in-active-bone-marrow-for-cervical-cancer-patients-treated-with-concurrent-chemoradiation-therapy
#14
Sonal S Noticewala, Nan Li, Casey W Williamson, Carl K Hoh, Hanjie Shen, Michael T McHale, Cheryl C Saenz, John Einck, Steven Plaxe, Florin Vaida, Catheryn M Yashar, Loren K Mell
PURPOSE: To quantify longitudinal changes in active bone marrow (ABM) distributions within unirradiated (extrapelvic) and irradiated (pelvic) bone marrow (BM) in cervical cancer patients treated with concurrent chemoradiation therapy (CRT). METHODS AND MATERIALS: We sampled 39 cervical cancer patients treated with CRT, of whom 25 were treated with concurrent cisplatin (40 mg/m(2)) and 14 were treated with cisplatin (40 mg/m(2)) plus gemcitabine (50-125 mg/m(2)) (C/G)...
March 15, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28242223/evaluation-on-the-decomposability-of-tropical-forest-peat-soils-after-conversion-to-an-oil-palm-plantation
#15
Faustina E Sangok, Nagamitsu Maie, Lulie Melling, Akira Watanabe
To understand the variations in the decomposability of tropical peat soil following deforestation for an oil palm plantation, a field incubation experiment was conducted in Sarawak, Malaysia. Peat soils collected from three types of primary forest, namely Mixed Peat Swamp (MPS; Gonystylus-Dactylocladus-Neoscrotechinia association), Alan Batu (ABt; Shorea albida-Gonstylus-Strenonurus association), and Alan Bunga (ABg; Shorea albida association), were packed in polyvinyl chloride pipes and installed in an oil palm plantation...
February 24, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28241248/value-of-cardiovascular-magnetic-resonance-imaging-in-noninvasive-risk-stratification-in-tetralogy-of-fallot
#16
Jouke P Bokma, Koen C de Wilde, Hubert W Vliegen, Arie P van Dijk, Joost P van Melle, Folkert J Meijboom, Aeilko H Zwinderman, Maarten Groenink, Barbara J M Mulder, Berto J Bouma
Importance: Adults late after total correction of tetralogy of Fallot (TOF) are at risk for major complications. Cardiovascular magnetic resonance (CMR) imaging is recommended to quantify right ventricular (RV) and left ventricular (LV) function. However, a commonly used risk model by Khairy et al requires invasive investigations and lacks CMR imaging to identify high-risk patients. Objective: To implement CMR imaging in noninvasive risk stratification to predict major adverse clinical outcomes...
February 22, 2017: JAMA Cardiology
https://www.readbyqxmd.com/read/28236914/western-vascular-society-guidelines-for-transfer-of-patients-with-ruptured-abdominal-aortic-aneurysm
#17
Matthew W Mell, Benjamin W Starnes, Larry W Kraiss, Peter A Schneider, William C Pevec
INTRODUCTION: When a patient with ruptured abdominal aortic aneurysm (rAAA) presents at a facility ill-equipped to provide care, transfer may provide the best chance for survival. Large distances and long travel times provide challenging barriers to prompt and appropriate care in the western United States. METHODS: The Western Vascular Society (WVS) adopted a set of guidelines in considering transfer of a patient with an rAAA using published literature, membership survey and input, and existing recommendations...
March 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28199703/the-effect-of-substance-use-on-10-year-outcome-in-first-episode-psychosis
#18
Melissa A Weibell, Wenche Ten Velden Hegelstad, Bjørn Auestad, Jørgen Bramness, Julie Evensen, Ulrik Haahr, Inge Joa, Jan Olav Johannessen, Tor Ketil Larsen, Ingrid Melle, Stein Opjordsmoen, Bjørn Rishovd Rund, Erik Simonsen, Per Vaglum, Thomas McGlashan, Patrick McGorry, Svein Friis
No abstract text is available yet for this article.
February 11, 2017: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/28192392/graphene-fragments-when-1-1-is-odd
#19
Manuel Melle-Franco
No abstract text is available yet for this article.
February 13, 2017: Nature Nanotechnology
https://www.readbyqxmd.com/read/28183819/a-chronic-physical-activity-treatment-in-obese-rats-normalizes-the-contributions-of-et-1-and-no-to-insulin-mediated-posterior-cerebral-artery-vasodilation
#20
T Dylan Olver, Matthew W McDonald, Diana Klakotskaia, Rachel A Richardson, Jeffrey L Jasperse, C W James Melling, Todd R Schachtman, Hsiao T Yang, Craig A Emter, M Harold Laughlin
This study tested the hypotheses that obesity-induced decrements in insulin-stimulated cerebrovascular vasodilation would be normalized with acute endothelin-1a receptor antagonism, and treatment with a physical activity intervention restores vasoreactivity to insulin through augmented nitric oxide synthase (NOS)-dependent dilation. Otsuka Long-Evans Tokushima Fatty rats were divided into the following groups; 20-wk old food-controlled (CON-20); 20-wk old free-food access (model of obesity, OB-20); 40-wk old food-controlled (CON-40); 40-wk old free-food access (OB-40); and 40-wk old free-food access+RUN (RUN-40; wheel-running access from 20-40 wk)...
February 9, 2017: Journal of Applied Physiology
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