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https://www.readbyqxmd.com/read/28643148/mechanical-challenges-to-the-glomerulus-and-podocyte-loss-evolution-of-a-paradigm
#1
REVIEW
Kevin V Lemley
In this article, I shall outline some of the most important aspects of the evidentiary basis of the so-called Kriz model for the development of glomerular sclerosis, a model that we continue to modify to this day. In my mind, the most important findings include the fact that podocytes are generally post-mitotic cells, so that loss of a significant number for any cause leads to podocyte insufficiency. Another pivotal finding is that in many experimental models and in human disease, podocytes detach from the GBM as living cells...
June 22, 2017: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/28632841/green-light-autofluorescence-versus-combined-blue-light-autofluorescence-and-near-infrared-reflectance-imaging-in-geographic-atrophy-secondary-to-age-related-macular-degeneration
#2
Maximilian Pfau, Lukas Goerdt, Steffen Schmitz-Valckenberg, Matthias M Mauschitz, Divyansh K Mishra, Frank G Holz, Moritz Lindner, Monika Fleckenstein
Purpose: To compare the intermodality and interreader agreement for geographic atrophy (GA) lesion size quantification in green-light fundus autofluorescence (GAF; excitation = 518 nm) versus combined blue-light fundus autofluorescence (BAF; excitation = 488 nm) and near-infrared reflectance (NIR; 820 nm) -based grading. Methods: Confocal scanning laser ophthalmoscopy (cSLO) GAF, BAF, and NIR images of 40 eyes from 29 patients (mean age 79.7 years) with GA secondary to AMD were recorded according to a standardized protocol...
May 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28624210/low-dose-gene-therapy-for-murine-pku-using-episomal-naked-dna-vectors-expressing-pah-from-its-endogenous-liver-promoter
#3
Hiu Man Grisch-Chan, Andrea Schlegel, Tanja Scherer, Gabriella Allegri, Raphael Heidelberger, Panagiota Tsikrika, Marco Schmeer, Martin Schleef, Cary O Harding, Johannes Häberle, Beat Thöny
Limited duration of transgene expression, insertional mutagenesis, and size limitations for transgene cassettes pose challenges and risk factors for many gene therapy vectors. Here, we report on physiological expression of liver phenylalanine hydroxylase (PAH) by delivery of naked DNA/minicircle (MC)-based vectors for correction of homozygous enu2 mice, a model of human phenylketonuria (PKU). Because MC vectors lack a defined size limit, we constructed a MC vector expressing a codon-optimized murine Pah cDNA that includes a truncated intron and is under the transcriptional control of a 3...
June 16, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28619162/impact-of-treatments-for-recycled-broiler-litter-on-the-viability-and-infectivity-of-microorganisms
#4
Daiane Voss-Rech, Iara Maria Trevisol, Liana Brentano, Virgínia Santiago Silva, Raquel Rebelatto, Fátima Regina Ferreira Jaenisch, Cintia Hiromi Okino, Marcos Antonio Zanella Mores, Arlei Coldebella, Sônia de Avila Botton, Clarissa Silveira Luiz Vaz
The microbiological risk of recycled litter depends on the efficacy of the management system applied to inactivate residual microorganisms and preserve the health of the successive broiler flock. This study aimed to assess the viability and infectivity of the Newcastle Disease Virus (NDV), Infectious Bursal Disease Virus (IBDV) and Salmonella Heidelberg in recycled litter exposed to different treatments. The litter was contaminated with microorganisms and submitted to the treatments (T): T1: shallow fermentation; T2: quicklime (calcium oxide); T3: shallow fermentation followed by addition of quicklime; T4: no treatment...
May 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28615022/correlation-of-retinal-nerve-fibre-layer-and-macular-thickness-with-serum-uric-acid-among-type-2-diabetes-mellitus
#5
Munisamy-Naidu Vinuthinee-Naidu, Embong Zunaina, Anuar Azreen-Redzal, Naing Nyi-Nyi
BACKGROUND: Uric acid is a final breakdown product of purine catabolism in humans. It's a potent antioxidant and can also act as a pro-oxidant that induces oxidative stress on the vascular endothelial cells, thus mediating progression of diabetic related diseases. Various epidemiological and experimental evidence suggest that uric acid has a role in the etiology of type 2 diabetes mellitus. We conducted a cross-sectional study to evaluate the correlation of retinal nerve fibre layer (RNFL) and macular thickness with serum uric acid in type 2 diabetic patients...
June 14, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28608030/intracorneal-ring-segment-depth-in-keratoconus-patients-a-long-term-follow-up-study
#6
Saied Shahhoseini, Hassan Hashemi, Soheila Asgari
PURPOSE: To compare the actual depth of the tunnel created with femtosecond laser for intracorneal ring segment (ICRS) implantation with the target depth in keratoconus patients. METHODS: In this mix design study, eligible keratoconus patients were identified through chart review. The inclusion criterion was a history of ICRS implantation with femtosecond laser more than 6 months prior to enrollment. Participants underwent anterior segment optical coherence tomography using Spectralis (Heidelberg Engineering GmbH, Heidelberg, Germany) for depth measurement defined as the distance from the anterior corneal surface to anterior rim of the ring...
June 12, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28602566/dis-integration-of-communication-in-healthcare-education-workplace-learning-challenges-and-opportunities
#7
Marcy E Rosenbaum
The purpose of this paper, based on a 2016 Heidelberg International Conference on Communication in Healthcare (ICCH) plenary presentation, is to examine a key problem in communication skills training for health professional learners. Studies have pointed to a decline in medical students' communication skills and attitudes as they proceed through their education, particularly during their clinical workplace training experiences. This paper explores some of the key factors in this disintegration, drawing on selected literature and highlighting some curriculum efforts and research conducted at the University of Iowa Carver College of Medicine as a case study of these issues...
June 3, 2017: Patient Education and Counseling
https://www.readbyqxmd.com/read/28597939/precision-oncology-based-on-omics-data-the-nct-heidelberg-experience
#8
Peter Horak, Barbara Klink, Christoph Heining, Stefan Gröschel, Barbara Hutter, Martina Fröhlich, Sebastian Uhrig, Daniel Hübschmann, Matthias Schlesner, Roland Eils, Daniela Richter, Katrin Pfütze, Christina Geörg, Bettina Meißburger, Stephan Wolf, Angela Schulz, Roland Penzel, Esther Herpel, Martina Kirchner, Amelie Lier, Volker Endris, Stephan Singer, Peter Schirmacher, Wilko Weichert, Albrecht Stenzinger, Richard F Schlenk, Evelin Schröck, Benedikt Brors, Christof von Kalle, Hanno Glimm, Stefan Fröhling
Precision oncology implies the ability to predict which patients will likely respond to specific cancer therapies based on increasingly accurate, high-resolution molecular diagnostics as well as the functional and mechanistic understanding of individual tumors. While molecular stratification of patients can be achieved through different means, a promising approach is next-generation sequencing of tumor DNA and RNA, which can reveal genomic alterations that have immediate clinical implications. Furthermore, certain genetic alterations are shared across multiple histologic entities, raising the fundamental question of whether tumors should be treated by molecular profile and not tissue of origin...
June 9, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28597150/erratum-to-sarcopenic-overweight-is-associated-with-early-acute-limiting-toxicity-of-anti-pd1-checkpoint-inhibitors-in-melanoma-patients
#9
Valentine Heidelberger, François Goldwasser, Nora Kramkimel, Anne Jouinot, Olivier Huillard, Pascaline Boudou-Rouquette, Johan Chanal, Jennifer Arrondeau, Nathalie Franck, Jérôme Alexandre, Benoît Blanchet, Karen Leroy, Marie-Françoise Avril, Nicolas Dupin, Sélim Aractingi
No abstract text is available yet for this article.
June 9, 2017: Investigational New Drugs
https://www.readbyqxmd.com/read/28595324/bacteriophage-use-to-control-salmonella-biofilm-on-surfaces-present-in-chicken-slaughterhouses
#10
Keila Carolina de Ornellas Dutka Garcia, Isadora Mainieri de Oliveira Corrêa, Larissa Quinto Pereira, Tarcísio Macedo Silva, Mateus de Souza Ribeiro Mioni, Ana Carolina de Moraes Izidoro, Igor Henrique Vellano Bastos, Guilherme Augusto Marietto Gonçalves, Adriano Sakai Okamoto, Raphael Lucio Andreatti Filho
Foodborne diseases represent a major risk to public health worldwide. Pathogenic bacteria can live in the form of biofilm within the food industry, providing a permanent source of contamination. The aim of this study was to evaluate the influence of the types of adhesion surfaces on Salmonella biofilm formation at eight different times, and analyze the action time of a bacteriophage pool on established biofilms. Most of the samples used were classified as weak biofilm producers, with serovars Enteritidis and Heidelberg showing the highest frequency of biofilm formation...
June 8, 2017: Poultry Science
https://www.readbyqxmd.com/read/28591286/structure-functional-correlation-using-adaptive-optics-oct-and-microperimetry-in-a-case-of-occult-macular-dystrophy
#11
Karlos Ítalo Viana, André Messias, Rubens Camargo Siqueira, Murilo W Rodrigues, Rodrigo Jorge
We report retinal functional and structural changes of a 40-year-old man diagnosed with occult macular dystrophy. Comprehensive ophthalmological evaluation was performed, followed by spectral-domain optical coherence tomography (SD-OC - Heidelberg) and image acquisition using an adaptive optics (AO) camera (RTX1, Imagine Eyes) for photoreceptor density analysis. Functional tests included full-field ERG (ERG) and multifocal electroretinography (mfERG) (Diagnosys, LLC) and microperimetry with scanning laser ophthalmoscope (SLO) fixation controlled (MAIA, CenterVUE)...
March 2017: Arquivos Brasileiros de Oftalmologia
https://www.readbyqxmd.com/read/28588646/the-effects-of-tolterodine-on-anterior-segment-and-choroidal-thickness-in-patients-with-overactive-bladder-syndrome
#12
Hande Hüsniye Telek, Omer Gokhan Doluoglu, Ayse Burcu, Gulizar Demirok, Firdevs Ornek, Ali Ayyildiz
BACKGROUND: To evaluate the effects of tolterodine on anterior segment and choroidal thickness by using the Pentacam system and optical coherence tomography (OCT) (Pentacam). METHODS: A total of 122 eyes of 61 patients (34 female; 27 male) were included in the study. All patients underwent a regular ocular examination and intraocular pressure measurements before and after 3 months of antimuscarinic drug tolterodine treatment, in addition, pupil diameter, anterior chamber depth, anterior chamber volume, anterior chamber angle, and lens thickness were measured through Pentacam (Oculus Inc...
October 2017: Therapeutic Advances in Urology
https://www.readbyqxmd.com/read/28585863/contamination-of-carcasses-and-utensils-in-small-swine-slaughterhouses-by-salmonella-in-the-northwestern-region-of-the-state-of-rio-de-janeiro-brazil
#13
Claudius Couto Cabral, Pedro Henrique Nunes Panzenhagen, Karina Frensel Delgado, Gabriela Rodrigues Alves Silva, Dália Dos Prazeres Rodrigues, Robson Maia Franco, Carlos Adam Conte-Junior
Salmonella is a major foodborne pathogen that constantly threatens food safety in developed countries and underdeveloped countries such as Brazil, where it is responsible for 38% of notified cases of foodborne illness. Swine are one of the main meat-producing species that may asymptomatically carry Salmonella, periodically shedding the bacteria through feces. The state of Rio de Janeiro is not a major producer of swine meat, but small slaughterhouses are operational and produce meat for consumption within the state, although few studies have been conducted in the region...
June 6, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28578094/salmonella-heidelberg-genetic-profile-of-its-antimicrobial-resistance-related-to-extended-spectrum-%C3%AE-lactamases-esbls
#14
Jéssica Giuriatti, Lenita Moura Stefani, Maiara Cristina Brisola, Regiane Boaretto Crecencio, Dinael Simão Bitner, Gláucia Amorim Faria
The objective of this study was to evaluate the phenotypic and genotypic profile of antimicrobial susceptibility and the possible involvement of extended spectrum beta-lactamases (ESBLs) in the resistance profile of Salmonella Heidelberg (SH) isolated from chicken meat. We used 18 SH isolates from chicken meat produced in 2013 in the state of Paraná, Southern Brazil. The isolates were submitted to disk-diffusion tests and from these results it was possible to determine the number of isolates considered multiresistant and the index of multiple antimicrobial resistance (IRMA) against ten antimicrobials routinely used in human and veterinary medicine...
May 31, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28576582/visualization-of-air-and-metal-inhomogeneities-in-phantoms-irradiated-by-carbon-ion-beams-using-prompt-secondary-ions
#15
T Gaa, M Reinhart, B Hartmann, J Jakubek, P Soukup, O Jäkel, M Martišíková
PURPOSE: Non-invasive methods for monitoring of the therapeutic ion beam extension in the patient are desired in order to handle deteriorations of the dose distribution related to changes of the patient geometry. In carbon ion radiotherapy, secondary light ions represent one of potential sources of information about the dose distribution in the irradiated target. The capability to detect range-changing inhomogeneities inside of an otherwise homogeneous phantom, based on single track measurements, is addressed in this paper...
May 30, 2017: Physica Medica: PM
https://www.readbyqxmd.com/read/28574923/evaluation-of-patchy-atrophy-secondary-to-high-myopia-by-semiautomated-software-for-fundus-autofluorescence-analysis
#16
Alexandra Miere, Vittorio Capuano, Rita Serra, Camille Jung, Eric Souied, Giuseppe Querques
PURPOSE: To evaluate the progression of patchy atrophy in high myopia using semiautomated software for fundus autofluorescence (FAF) analysis. METHODS: The medical records and multimodal imaging of 21 consecutive highly myopic patients with macular chorioretinal patchy atrophy (PA) were retrospectively analyzed. All patients underwent repeated fundus autofluorescence and spectral domain optical coherence tomography over at least 12 months. Color fundus photography was also performed in a subset of patients...
May 31, 2017: Retina
https://www.readbyqxmd.com/read/28571971/biological-reproducibility-of-circulating-p-selectin-thrombopoietin-gpiib-iiia-and-thrombomodulin-over-one-year
#17
Mirja E Graf, Disorn Sookthai, Theron Johnson, Ruth Schübel, Verena Katzke, Peter Bugert, Michael Hoffmeister, Rudolf Kaaks, Tilman Kühn
BACKGROUND: Enhanced platelet activation has been implicated in several pathophysiological processes. Here, we evaluated the biological reproducibility of circulating P-Selectin, Thrombomodulin (TM), Thrombopoietin (TPO), and Glycoprotein IIb/IIIa (GPIIb/IIIa) to assess whether these analytes can be used as reliable biomarkers of platelet activation in epidemiological studies. METHODS: We measured circulating P-Selectin, TM, TPO and GPIIb/IIIa by immunoassays in two blood samples of 78 participants of the EPIC Heidelberg study (47-80years, 50% female) that were collected one year apart...
May 29, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/28571387/a-theoretical-study-of-the-dissociative-recombination-of-sh-with-electrons-through-the-2-%C3%AE-states-of-sh
#18
D O Kashinski, D Talbi, A P Hickman, O E Di Nallo, F Colboc, K Chakrabarti, I F Schneider, J Zs Mezei
A quantitative theoretical study of the dissociative recombination of SH(+) with electrons has been carried out. Multireference, configuration interaction calculations were used to determine accurate potential energy curves for SH(+) and SH. The block diagonalization method was used to disentangle strongly interacting SH valence and Rydberg states and to construct a diabatic Hamiltonian whose diagonal matrix elements provide the diabatic potential energy curves. The off-diagonal elements are related to the electronic valence-Rydberg couplings...
May 28, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28569347/clinical-parameters-associated-with-anti-programmed-death-1-pd-1-inhibitors-induced-tumor-response-in-melanoma-patients
#19
Valentine Heidelberger, François Goldwasser, Nora Kramkimel, Anne Jouinot, Nathalie Franck, Jennifer Arrondeau, Sarah Guégan, Audrey Mansuet-Lupo, Jérôme Alexandre, Diane Damotte, Marie-Françoise Avril, Nicolas Dupin, Sélim Aractingi
Background The identification of the melanoma patients sensitive to anti-PD-1 inhibitors, nivolumab or pembrolizumab, is a major therapeutic challenge and an urgent need. We hypothesized that the natural history of the disease might partly reflect the immune state of the patients. Methods We analyzed our cohort of melanoma patients treated with anti-PD-1 from August 2014 to January 2016 in our institution. Objective response was defined as a complete or partial response according to v1.1 RECIST criteria. Results Among 63 metastatic melanoma patients, the overall response rate was 43%...
May 31, 2017: Investigational New Drugs
https://www.readbyqxmd.com/read/28564701/the-impact-of-lens-opacity-on-sd-oct-retinal-nerve-fiber-layer-and-bruch-s-membrane-opening-measurements-using-the-anatomical-positioning-system-aps
#20
Matthias M Mauschitz, Felix Roth, Frank G Holz, Monique M B Breteler, Robert P Finger
Purpose: To evaluate the impact of lens opacity on retinal nerve fiber layer thickness (RNFLT) and Bruch's membrane opening (BMO) measurements. Methods: Fifty-nine randomly selected patients without any other relevant ocular pathology undergoing elective routine cataract surgery in two specialized eye clinics were enrolled. RNFLT, BMO area, and BMO minimum rim width (BMO-MRW) were assessed with the Heidelberg Engineering Spectralis OCT using the anatomical positioning system (APS) prior to and 1 day after cataract surgery using a ring scan at different eccentricities of the disc (3...
May 1, 2017: Investigative Ophthalmology & Visual Science
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