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https://www.readbyqxmd.com/read/27930436/self-peeling-epiretinal-membrane
#1
Cem Ozgonul, Cagri G Besirli
PURPOSE: To present a self-peeling epiretinal membrane (ERM) in a patient with spontaneously improved retinal capillary hemangioma in the left eye. METHODS: We demonstrate the improvement of an untreated retinal capillary hemangioma and resolution of ERM with fundus photography, fluorescein angiography, and spectral domain optical coherence tomography. Genetic testing excluded von Hippel-Lindau disease in this patient. RESULTS: Evaluation of a patient with rheumatoid arthritis revealed retinal capillary hemangioma with retinal exudates at the temporal peripheral fundus and an ERM in the left eye...
December 7, 2016: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/27928482/frequency-of-genes-encoding-erythromycin-ribosomal-methylases-among-staphylococcus-aureus-clinical-isolates-with-different-d-phenotypes-in-tehran-iran
#2
Sareh Sadat Hosseini, Mohammad Niakan, Horieh Saderi, Mitra Motallebi, Morovat Taherikalani, Khairollah Asadollahi, Mohammad Emaneini
BACKGROUND AND OBJECTIVES: Macrolide, lincosamide and streptogramin type B (MLSB) antibiotics are important in the treatment of Staphylococcus aureus infections and existence of isolates with ability to resist against MLSB antibiotics is worrisome. MATERIALS AND METHODS: In this cross sectional study, 101 S. aureus isolates were collected from patients of five selected hospitals in Tehran over a period of five months. Disk diffusion tests and differentiation between constitutive and inducible resistances were carried out by D-test...
June 2016: Iranian Journal of Microbiology
https://www.readbyqxmd.com/read/27924113/synthesis-and-antibacterial-activity-of-novel-lincomycin-derivatives-ii-exploring-7s-7-5-aryl-1-3-4-thiadiazol-2-yl-thio-7-deoxylincomycin-derivatives
#3
Ko Kumura, Yoshinari Wakiyama, Kazutaka Ueda, Eijiro Umemura, Takashi Watanabe, Megumi Kumura, Takuji Yoshida, Keiichi Ajito
The synthesis and antibacterial activity of (7S)-7-(5-aryl-1,3,4-thiadiazol-2-yl-thio)-7-deoxylincomycin derivatives are described. These derivatives were mainly prepared by the Mitsunobu reaction of 2,3,4-tris-O-(trimethylsilyl)lincomycin and the corresponding thiols. Exploring structure-activity relationships of the substituent at the 5 position of a thiadiazole ring revealed that compounds with the ortho substituted phenyl group showed improved antibacterial activities against Streptococcus pneumoniae and Streptococcus pyogenes with erm gene compared with the reported compound (1) that had an unsubstituted benzene ring...
December 7, 2016: Journal of Antibiotics
https://www.readbyqxmd.com/read/27922603/digital-footprints-facilitating-large-scale-environmental-psychiatric-research-in-naturalistic-settings-through-data-from-everyday-technologies
#4
N Bidargaddi, P Musiat, V-P Makinen, M Ermes, G Schrader, J Licinio
Digital footprints, the automatically accumulated by-products of our technology-saturated lives, offer an exciting opportunity for psychiatric research. The commercial sector has already embraced the electronic trails of customers as an enabling tool for guiding consumer behaviour, and analogous efforts are ongoing to monitor and improve the mental health of psychiatric patients. The untargeted collection of digital footprints that may or may not be health orientated comprises a large untapped information resource for epidemiological scale research into psychiatric disorders...
December 6, 2016: Molecular Psychiatry
https://www.readbyqxmd.com/read/27915250/importance-of-fumarate-and-nitrate-reduction-regulatory-protein-for-proliferation-for-intestinal-proliferation-of-vibrio-vulnificus
#5
Takehiro Kado, Takashige Kashimoto, Kohei Yamazaki, Shunji Ueno
The sepsis caused by Vibrio vulnificus is characterized by an average incubation period of 26 hours and a high mortality rate exceeding 50%. The fast growth and dissemination of V. vulnificus in vivo lead to poor clinical outcomes in patients. Therefore, elucidation of the proliferation mechanisms of this organism in vivo may lead to development of an effective therapeutic strategy. In this study, we focused on the low oxygen concentration in the intestinal milieu because of its drastic difference from that in the air...
December 2, 2016: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/27911303/amylin-treatment-reduces-neuroinflammation-and-ameliorates-abnormal-patterns-of-gene-expression-in%C3%A2-the-cerebral-cortex-of-an-alzheimer-s-disease-mouse-model
#6
Erming Wang, Haihao Zhu, Xiaofan Wang, Adam Gower, Max Wallack, Jan Krzysztof Blusztajn, Neil Kowall, Wei Qiao Qiu
Our recent study has demonstrated that peripheral amylin treatment reduces the amyloid pathology in the brain of Alzheimer's disease (AD) mouse models, and improves their learning and memory. We hypothesized that the beneficial effects of amylin for AD was beyond reducing the amyloids in the brain, and have now directly tested the actions of amylin on other aspects of AD pathogenesis, especially neuroinflammation. A 10-week course of peripheral amylin treatment significantly reduced levels of cerebral inflammation markers, Cd68 and Iba1, in amyloid precursor protein (APP) transgenic mice...
November 28, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27909995/solithromycin-a-novel-fluoroketolide-for-the-treatment-of-community-acquired-bacterial-pneumonia
#7
REVIEW
George G Zhanel, Erika Hartel, Heather Adam, Sheryl Zelenitsky, Michael A Zhanel, Alyssa Golden, Frank Schweizer, Bala Gorityala, Philippe R S Lagacé-Wiens, Andrew J Walkty, Alfred S Gin, Daryl J Hoban, Joseph P Lynch, James A Karlowsky
Solithromycin is a novel fluoroketolide developed in both oral and intravenous formulations to address increasing macrolide resistance in pathogens causing community-acquired bacterial pneumonia (CABP). When compared with its macrolide and ketolide predecessors, solithromycin has several structural modifications which increase its ribosomal binding and reduce its propensity to known macrolide resistance mechanisms. Solithromycin, like telithromycin, affects 50S ribosomal subunit formation and function, as well as causing frame-shift errors during translation...
December 1, 2016: Drugs
https://www.readbyqxmd.com/read/27902427/phenotypic-and-genetic-characterization-of-multi-drug-resistant-staphylococcus-aureus-in-the-tropics-of-southeast-asia
#8
Siti Norayuni Mohd Zulkeflle, Yus Amira Yusaimi, Norio Sugiura, Koji Iwamoto, Masafumi Goto, Motoo Utsumi, Nor'azizi Bin Othman, Zuriati Zakaria, Hirofumi Hara
Antibiotic resistance has become a major public health problem throughout the world. The presence of antibiotic resistant bacteria such as Staphylococcus aureus (S. aureus) and antibiotic resistance genes (ARGs) in hospital wastewater is cause for great concern today. In this study, 276 S. aureus isolates were recovered from hospital wastewater samples in Malaysia. All of the isolates were screened for susceptibility to nine different classes of antibiotics: ampicillin (AMP), ciprofloxacin (CFX), gentamicin (GMN), kanamycin (KMN), erythromycin (ERM), vancomycin (VAN), trimetoprim and sulfamethaxazole (TM-SMZ), chloramphenicol (CMP), tetracycline (TET), and nalidixic acid (NAL)...
November 3, 2016: Microbiology
https://www.readbyqxmd.com/read/27902368/coagulase-negative-staphylococci-pathogenesis-occurrence-of-antibiotic-resistance-genes-and-in-vitro-effects-of-antimicrobial-agents-on-biofilm-growing-bacteria
#9
Ewa Szczuka, Lucyna Jabłońska, Adam Kaznowski
Coagulase-negative staphylococci (CoNS) are opportunistic pathogens that particularly cause infections in patients with implanted medical devices. The present research was performed to study the virulence potential of 53 clinical isolates of Staphylococcus capitis, Staphylococcus auricularis, Staphylococcus lugdunensis, Staphylococcus simulans, Staphylococcus cohnii, and Staphylococcus caprae. All clinical strains were clonally unrelated. Isolates carried genes encoding resistance to β-lactam (mecA) (15%), aminoglycosides aac(6')/aph(2'') (11%), aph (3')-IIIa (15%), ant(4')-Ia (19%) and MLSB erm(A) (4%), erm(B) (13%), erm(C) (41%), msr(A) (11%) antibiotics...
October 19, 2016: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/27902365/the-oral-cavities-of-healthy-infants-harbor-high-proportions-of-streptococcus-salivarius-strains-with-phenotypic-and-genotypic-resistance-to-multiple-classes-of-antibiotics
#10
Thaís H Palma, Erika Harth-Chú, Jodie Scott, Rafael N Stipp, Heike Boisvert, Mariana F Salomão, Jéssica D Theobaldo, Rosana F Possobon, Leandro C Nascimento, Jonathan W McCafferty, Lina Faller, Margaret J Duncan, Renata O Mattos-Graner
Emerging antibiotic resistance in the oropharyngeal microbiota, of which Streptococcus salivarius is a prominent species, represents a challenge for treating pediatric populations. In this study, we investigated the role of S. salivarius as a reservoir for antibiotic resistance genes (ARG) in the oral microbiota by analyzing 95 S. salivarius isolates from 22 healthy infants (2 to 16 months of age). Minimum inhibitory concentrations (MIC) of penicillin G, amoxicillin, erythromycin, tetracycline, doxycycline and streptomycin were determined...
October 24, 2016: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/27900754/ezrin-and-moesin-expression-in-canine-and-feline-osteosarcoma
#11
Juraj Hlavaty, Birgitt Wolfesberger, Marlene Hauck, Barbara Obermayer-Pietsch, Andrea Fuchs-Baumgartinger, Ingrid Miller, Ingrid Walter
Biological features of canine osteosarcomas (OS) differ markedly from those found in feline and resemble more human osteosarcomas, in particular for their high rate of metastasis and poor prognosis. Ezrin, radixin and moesin are members of the ERM protein family and link the actin cytoskeleton with the cell membrane. Ezrin and moesin have been shown to be of prognostic significance in tumor progression due to their role in the metastatic process. The objective of this study was to analyze ezrin and moesin protein expression in a series of dog (n = 16) and cat (n = 8) osteosarcoma samples using immunohistochemistry and western blot techniques...
November 30, 2016: Histology and Histopathology
https://www.readbyqxmd.com/read/27898707/long-term-changes-in-intraocular-pressure-after-vitrectomy-for-rhegmatogenous-retinal-detachment-epi-retinal-membrane-or-macular-hole
#12
Kentaro Yamamoto, Takeshi Iwase, Hiroko Terasaki
PURPOSE: To determine the long-term changes in the intraocular pressure (IOP) following vitrectomy for rhegmatogenous retinal detachment (RRD), epiretinal membrane (ERM), and macular hole (MH), and to investigate the relationship between the retinal disease and the incidence of late-onset IOP elevation. METHODS: This was a retrospective, observational, comparative study. We reviewed the medical records of 54 eyes of 54 RRD patients, 117 eyes of 117 ERM patients, and 75 eyes of 75 MH patients who underwent 20-, 23- or 25-gauge vitrectomy...
2016: PloS One
https://www.readbyqxmd.com/read/27898028/estimating-leaf-area-index-lai-in-vineyards-using-the-pocketlai-smart-app
#13
Francesca Orlando, Ermes Movedi, Davide Coduto, Simone Parisi, Lucio Brancadoro, Valentina Pagani, Tommaso Guarneri, Roberto Confalonieri
Estimating leaf area index (LAI) of Vitis vinifera using indirect methods involves some critical issues, related to its discontinuous and non-homogeneous canopy. This study evaluates the smart app PocketLAI and hemispherical photography in vineyards against destructive LAI measurements. Data were collected during six surveys in an experimental site characterized by a high level of heterogeneity among plants, allowing us to explore a wide range of LAI values. During the last survey, the possibility to combine remote sensing data and in-situ PocketLAI estimates (smart scouting) was evaluated...
November 26, 2016: Sensors
https://www.readbyqxmd.com/read/27897264/the-association-between-smoking-and-epiretinal-membrane
#14
Sheng-Zhan Wang, Qi-Hu Tong, Hui-Yun Wang, Qin-Kang Lu, Yu-Feng Xu
We conducted a meta-analysis of analytic and observational studies to evaluate the association between smoking and epiretinal membrane (ERM). The pertinent studies were identified via a literature search using three databases (MEDLINE, Cochrane Library, Embase) and the reference lists of retrieved studies. Cohort, case-control and cross-sectional studies meeting the predefined criteria were included. We extracted the odds ratios (OR) and 95% confidence intervals (CI) from each study. Overall risk estimates were pooled using random-effects models...
November 29, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27896549/embryonal-rhabdomyosarcoma-in-a-patient-with-a-heterozygous-frameshift-variant-in-the-dicer1-gene-and-additional-manifestations-of-the-dicer1-syndrome
#15
Julia Fremerey, Stefan Balzer, Triantafyllia Brozou, Joerg Schaper, Arndt Borkhardt, Michaela Kuhlen
Germline mutations in the DICER1 gene are associated with an inherited cancer predisposition syndrome also known as the DICER1-syndrome, which is implicated in a broad range of tumors including pleuropulmonary blastoma, ovarian Sertoli-Leydig cell tumors, ciliary body medulloepithelioma (CBME), pituitary blastoma, embryonal rhabdomyosarcoma (eRMS), anaplastic renal sarcoma as well as ocular, sinonasal tumors ovarian sex-cord tumors, thyroid neoplasia and cystic nephroma. This study describes a novel, heterozygous frameshift DICER1 mutation in a patient, who is affected by different tumors of the DICER1-syndrome, including eRMS, CBME and suspected pleuropulmonary blastoma type I...
November 28, 2016: Familial Cancer
https://www.readbyqxmd.com/read/27895460/preoperative-optical-coherence-tomography-visualization-of-epiretinal-membranes-enhances-surgical-strategies
#16
Norihiro Suzuki, Yoshio Hirano, Miyu Ichida, Taneto Tomiyasu, Yuya Esaki, Tsutomu Yasukawa, Yuichiro Ogura
PURPOSE: The aim of this study was to evaluate the usefulness of preoperative optical coherence tomography (OCT) findings in patients with macular epiretinal membrane (ERM) for the planning of surgical strategy. PATIENTS AND METHODS: One hundred twenty-three eyes of 121 patients (49 men, 72 women; mean age, 66 years) with an idiopathic ERM were enrolled. All patients underwent an ophthalmic examination including indirect ophthalmoscopy and OCT (Cirrus HD-OCT 4000 and/or 5000)...
2016: Clinical Ophthalmology
https://www.readbyqxmd.com/read/27893098/vitreal-cytokine-profile-differences-between-eyes-with-epiretinal-membranes-or-macular-holes
#17
Souska Zandi, Christoph Tappeiner, Isabel B Pfister, Alain Despont, Robert Rieben, Justus G Garweg
Purpose: Cytokines play an important role in cell signaling in inflammatory and repair processes, also within the posterior segment of the eye. These molecules are thus implicated in the pathophysiology of several vitreoretinal diseases. In the present study, we compared vitreal cytokine profiles in patients with idiopathic epiretinal membranes (ERMs) and idiopathic full-thickness macular holes (MHs) without epiretinal membranes. Methods: Native vitreal humor was collected during elective pars plana vitrectomy for the treatment of macular pathologies (group 1: ERM; group 2: MH) from patients without any other ocular or systemic disease...
November 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27889502/role-of-lamellar-hole-associated-epiretinal-proliferation-in-lamellar-macular-holes
#18
Roberto dell'Omo, Gianni Virgili, Stanislao Rizzo, Serena De Turris, Giovanni Coclite, Dario Giorgio, Ermanno dell'Omo, Ciro Costagliola
PURPOSE: To compare the morphologic and functional characteristics and response to surgery of lamellar macular holes (LMHs) with and without lamellar hole-associated epiretinal proliferation (LHEP) and standard epiretinal membrane (ERM). DESIGN: Retrospective observational case series. METHODS: Setting: Vitreoretinal clinical practice. STUDY POPULATION: Eigthy-four eyes of 84 patients. The included eyes must present an irregular foveal contour and schitic or cavitated lamellar separation of neurosensory retina on spectral-domain optical coherence tomography (SD-OCT) and an area of increased autofluorescence on blue- fundus autofluorescence (B-FAF)...
November 23, 2016: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/27872778/a-case-of-secondary-epiretinal-membrane-spontaneous-release
#19
Andrey N Andreev, Alexey V Bushuev, Sergey N Svetozarskiy
Purpose. To report a rare case of secondary epiretinal membrane (ERM) spontaneous separation with subsequent visual restoration. Case Summary. We are reporting a case with the history of branch retinal vein occlusion, peripheral retinal neovascularization, and retinal photocoagulation. Our examination revealed secondary ERM associated with relatively high visual acuity (0.6), and a watchful waiting strategy was chosen. During the follow-up, slight visual deterioration, progressive deformation of the retinal profile, and an increase in diffuse retinal edema were observed...
2016: Case Reports in Ophthalmological Medicine
https://www.readbyqxmd.com/read/27870800/postoperative-inner-nuclear-layer-microcysts-affecting-long-term-visual-outcomes-after-epiretinal-membrane-surgery
#20
Shih-Jen Chen, Fang-Yi Tsai, Han-Chung Liu, Yu-Chien Chung, Tai-Chi Lin
PURPOSE: To investigate the risk factors and long-term visual impact of microcysts in the inner nuclear layer developed after epiretinal membrane (ERM) surgery. METHODS: This study used a retrospective review of medical records, operative video and images of patients who had undergone idiopathic ERM surgery with more than 12 months of follow-up. RESULTS: This study enrolled 44 patients (44 eyes) with ERM and a mean follow-up period of 30.2 months...
December 2016: Retina
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