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https://www.readbyqxmd.com/read/29219109/antimicrobial-resistance-in-corynebacterium-spp-arcanobacterium-spp-and-trueperella-pyogenes
#1
Andrea T Feßler, Stefan Schwarz
There is currently only limited information on the antimicrobial susceptibility and resistance of Corynebacterium spp., Arcanobacterium spp., and Trueperella pyogenes from animals. The comparability of the data is hampered by the use of different antimicrobial susceptibility testing methods and interpretive criteria. To date, standard broth microdilution methods and clinical breakpoints that are approved by the Clinical and Laboratory Standards Institute and are applicable to Corynebacterium spp., Arcanobacterium spp...
December 2017: Microbiology Spectrum
https://www.readbyqxmd.com/read/29215973/dissipation-of-antimicrobial-resistance-genes-in-compost-originating-from-cattle-manure-after-direct-oral-administration-or-post-excretion-fortification-of-antimicrobials
#2
Shanwei Xu, Inoka D Amarakoon, Rahat Zaheer, Alanna Smith, Srinivas Sura, George Wang, Tim Reuter, Francis Zvomuya, Allan J Cessna, Francis J Larney, Tim A McAllister
Dissipation of antimicrobial resistance genes (ARG) during composting of cattle manure generated through fortification versus administration of antimicrobials in feed was compared. Manure was collected from cattle fed diets containing (kg-1) dry matter (DM): (1) 44 mg chlortetracycline (CTC), (2) a mixture of 44 mg each of chlortetracycline and sulfamethazine (CTCSMZ), (3) 11 mg tylosin (TYL) or (4) Control, no antimicrobials. Manures were composted for 30 d with a single mixing after 16 d to generate the second heating cycle...
December 7, 2017: Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering
https://www.readbyqxmd.com/read/29214757/clinical-and-cytogenetic-profiles-of-rhabdomyosarcoma-with-bone-marrow-involvement-in-korean-children-a-15-year-single-institution-experience
#3
Dong Hyun Lee, Chan Jeoung Park, Seongsoo Jang, Young Uk Cho, Jong Jin Seo, Ho Joon Im, Kyung Nam Koh, Kyung Ja Cho, Joon Seon Song, Eul Ju Seo
BACKGROUND: Rhabdomyosarcoma (RMS) is the most common soft tissue sarcoma in children. Alveolar RMS (ARMS) is characterized by FOXO1-related chromosomal translocations that result in a poorer clinical outcome compared with embryonal RMS (ERMS). Because the chromosomal features of RMS have not been comprehensively defined, we analyzed the clinical and laboratory data of childhood RMS patients and determined the clinical significance of chromosomal abnormalities in the bone marrow. METHODS: Fifty-one Korean patients with RMS <18 years of age treated between 2001 and 2015 were enrolled in this study...
March 2018: Annals of Laboratory Medicine
https://www.readbyqxmd.com/read/29210008/development-and-surgical-removal-of-an-epiretinal-membrane-in-infantile-nystagmus-syndrome-a-new-type-of-oscillopsia
#4
Louis F Dell'Osso, Suber S Huang
PURPOSE: To report and discuss a focal oscillopsia in a small area of the visual field produced by, and after the removal of, an epiretinal membrane (ERM) in an individual with infantile nystagmus syndrome (INS) since birth with no associated afferent visual deficits. STUDY DESIGN: A retrospective case report. METHODS: A chart review, including clinical and electrophysiological data. A 74 y/o man with INS and an epiretinal membrane was studied...
December 5, 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/29209287/erm-proteins-play-distinct-roles-in-cell-invasion-by-extracellular-amastigotes-of-trypanosoma-cruzi
#5
Éden R Ferreira, Alexis Bonfim-Melo, Esteban M Cordero, Renato A Mortara
The protozoan parasite Trypanosoma cruzi is the causative agent of Chagas' disease. In mammalian hosts, T. cruzi alternates between trypomastigote and amastigote forms. Additionally, trypomastigotes can differentiate into amastigotes in the extracellular environment generating infective extracellular amastigotes (EAs). Ezrin-radixin-moesin (ERM) are key proteins linking plasma membrane to actin filaments, the major host cell component responsible for EA internalization. Our results revealed that depletion of host ezrin and radixin but not moesin inhibited EAs invasion in HeLa cells...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29200823/six-month-postoperative-outcomes-of-intraoperative-oct-guided-surgical-cystotomy-for-refractory-cystoid-macular-edema-in-diabetic-eyes
#6
Yuichi Asahina, Naoko Tachi, Yumi Asahina, Kayoko Yoshimura, Yoshiki Ueta, Yoshihiro Hashimoto
Purpose: This study evaluated the outcomes of surgical cystotomy for recurrent diabetic cystoid macular edema (CME). Patients and methods: We analyzed 20 eyes with a clinical diagnosis of diabetic retinopathy and refractory CME. Release of vitreoretinal adhesion, epiretinal membrane (ERM) and internal limiting membrane (ILM) peeling and cystotomy guided by intraoperative optical coherence tomography (iOCT) were performed in every patient. Pars plana vitrectomy was also performed in 17 patients, 11 of whom also underwent lensectomy and intraocular lens implantation...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/29197164/epidemiology-and-morphology-of-full-thickness-macular-holes
#7
Vegard Asgeir Forsaa, Birger Lindtjørn, Jan Terje Kvaløy, Torbjørn Frøystein, Jørgen Krohn
PURPOSE: To investigate the incidence of full-thickness macular holes (FTMHs) and their morphological features according to the International Vitreomacular Traction Study (IVTS) classification. METHODS: The clinical records of all new patients with FTMH, referred between 2008 and 2014, were reviewed for demographics, cause of the FTMH, age at diagnosis, symptom duration, laterality, visual acuity (VA), axial length and lens status. A detailed analysis of the patients' spectral domain optical coherence tomography (SD-OCT) images was performed, and the primary FTMHs were classified in clinical stages according to the IVTS classification...
December 2, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/29187841/genome-comparison-of-erythromycin-resistant-campylobacter-from-turkeys-identifies-hosts-and-pathways-for-horizontal-spread-of-erm-b-genes
#8
Diego Florez-Cuadrado, María Ugarte-Ruiz, Guillaume Meric, Alberto Quesada, M C Porrero, Ben Pascoe, Jose L Sáez-Llorente, Gema L Orozco, Lucas Domínguez, Samuel K Sheppard
Pathogens in the genus Campylobacter are the most common cause of food-borne bacterial gastro-enteritis. Campylobacteriosis, caused principally by Campylobacter jejuni and Campylobacter coli, is transmitted to humans by food of animal origin, especially poultry. As for many pathogens, antimicrobial resistance in Campylobacter is increasing at an alarming rate. Erythromycin prescription is the treatment of choice for clinical cases requiring antimicrobial therapy but this is compromised by mobility of the erythromycin resistance gene erm(B) between strains...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29184755/dissemination-of-high-level-mupirocin-resistant-cc22-mrsa-iv-in-saxony
#9
Stefan Monecke, Antje Ruppelt-Lorz, Elke Müller, Annett Reissig, Alexander Thürmer, Anna C Shore, David C Coleman, Ralf Ehricht, Lutz Jatzwauk
Mupirocin is used for eradicating methicillin-resistant S. aureus (MRSA) in nasal colonization. A plasmid-borne gene, mupA, is associated with high-level mupirocin resistance. Despite the fact that, among all MRSA from a tertiary care center in the German state of Saxony, the prevalence of mupA, encoding high-level mupirocin resistance, was approximately 1% over a 15-year period from 2000-2015, a sharp increase to nearly 20% was observed in 2016/2017. DNA microarray profiling revealed that this was due to the dissemination of a variant of CC22-MRSA-IV ("Barnim Epidemic Strain" or "UK-EMRSA-15"), which, in addition to mecA, harbors mupA, aacA-aphD, qacA, and - in most isolates - erm(C)...
2017: GMS Hygiene and Infection Control
https://www.readbyqxmd.com/read/29183292/assessment-of-macular-function-in-patients-with-idiopathic-epiretinal-membrane-by-multifocal-electroretinography-correlation-with-visual-acuity-and-optical-coherence-tomography
#10
Meng Gao, Yi Wang, Wu Liu, LiMei Liu, WeiYu Yan, Ju Liu, KeGao Liu, XinXin Liu, YanHua Hu
BACKGROUND: This study evaluates the macular function changes in patients with idiopathic macular epiretinal membrane (ERM) by multifocal electroretinography (mfERG) and their correlations with visual acuity and central macular thickness (CMT) by optical coherence tomography (OCT). METHODS: Twenty eyes of 20 patients with ERM underwent OCT and mfERG examinations. The response amplitude densities and implicit times of mfERG were compared to the control fellow eyes...
November 28, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/29180844/vitreoretinal-interface-abnormalities-in-diabetic-macular-edema-and-effectiveness-of-anti-vegf-therapy-an-optical-coherence-tomography-study
#11
Alexei N Kulikov, Sergei V Sosnovskii, Roman D Berezin, Dmitrii S Maltsev, Dzhambulat H Oskanov, Nikolai A Gribanov
Purpose: To study vitreoretinal interface (VRI) abnormalities in diabetic macular edema (DME) and the influence of these on the effectiveness of intravitreal anti-vascular endothelial growth factor (VEGF) therapy. Methods: VRI status and central retinal thickness (CRT) were evaluated using line and 3D-reference scans obtained using spectral domain-optical coherence tomography RTVue-100 before and 1 month after intravitreal anti-VEGF injection (IVI). VRI status was categorized into five subgroups: normal VRI, retinal surface wrinkling associated with the eccentric epiretinal membrane (ERM), ERM involving the macular center, vitreomacular adhesion (VMA), and vitreomacular traction (VMT)...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/29177891/plasma-levels-of-hypoxia-regulated-factors-in-patients-with-age-related-macular-degeneration
#12
Zygoula Ioanna, Schori Christian, Grimm Christian, Barthelmes Daniel
PURPOSE: Various hypoxia-related proteins are differentially expressed in the retina and secreted to the vitreous and/or aqueous humor of patients affected by dry or neovascular age-related macular degeneration (nAMD). To determine whether these conditions alter concentrations of cytokines also in the systemic circulation, we measured plasma levels of six hypoxia-related proteins. METHODS: Plasma was prepared from EDTA blood that was collected from patients affected by dry AMD (n = 5), nAMD (n = 11), proliferative diabetic retinopathy (PDR; n = 9), and patients with an epiretinal membrane (ERM; n = 11)...
November 25, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/29167409/sphingosine-1-phosphate-activation-of-erm-contributes-to-vascular-calcification
#13
Thomas G Morris, Samantha J Borland, Christopher J Clarke, Claire Wilson, Yusuf A Hannun, Vasken Ohanian, Ann E Canfield, Jacqueline Ohanian
Vascular calcification is the deposition of mineral in the artery wall by vascular smooth muscle cells (VSMC) in response to pathological stimuli. The process is similar to bone formation and is an independent risk factor for cardiovascular disease. Given that ceramide and sphingosine 1-phosphate (S1P) are involved in cardiovascular pathophysiology and biomineralisation, their role in VSMC matrix mineralisation was investigated. During phosphate-induced VSMC mineralisation, endogenous S1P levels increased accompanied by increased sphingosine kinase (SK) activity, and increased mRNA expression of SK1 and SK2...
November 22, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/29166961/antibiotic-resistance-trends-and-mechanisms-in-the-foodborne-pathogen-campylobacter
#14
Yizhi Tang, Liangxing Fang, Changyun Xu, Qijing Zhang
Campylobacter is a major foodborne pathogen and is commonly present in food producing animals. This pathogenic organism is highly adaptable and has become increasingly resistant to various antibiotics. Recently, both the Centers for Disease Control and Prevention and the World Health Organization have designated antibiotic-resistant Campylobacter as a serious threat to public health. For the past decade, multiple mechanisms conferring resistance to clinically important antibiotics have been described in Campylobacter, and new resistance mechanisms constantly emerge in the pathogen...
November 23, 2017: Animal Health Research Reviews
https://www.readbyqxmd.com/read/29150658/differential-regulation-of-synaptic-ap-2-clathrin-vesicle-uncoating-in-synaptic-plasticity
#15
Ermes Candiello, Ratnakar Mishra, Bernhard Schmidt, Olaf Jahn, Peter Schu
AP-1/σ1B-deficiency causes X-linked intellectual disability. AP-1/σ1B -/- mice have impaired synaptic vesicle recycling, fewer synaptic vesicles and enhanced endosome maturation mediated by AP-1/σ1A. Despite defects in synaptic vesicle recycling synapses contain two times more endocytic AP-2 clathrin-coated vesicles. We demonstrate increased formation of two classes of AP-2/clathrin coated vesicles. One which uncoats readily and a second with a stabilised clathrin coat. Coat stabilisation is mediated by three molecular mechanisms: reduced recruitment of Hsc70 and synaptojanin1 and enhanced μ2/AP-2 phosphorylation and activation...
November 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29148887/wild-birds-as-a-potential-source-of-known-and-novel-multilocus-sequence-types-of-antibiotic-resistant-enterococcus-faecalis
#16
Dagmara Stępień-Pyśniak, Tomasz Hauschild, Anna Nowaczek, Agnieszka Marek, Marta Dec
We assessed the antibiotic resistance and genetic diversity of 27 Enterococcus faecalis isolates from 25 wild bird species in Poland. Resistance to lincomycin (100%) was most common followed by tetracycline (48%), erythromycin (44%), and ciprofloxacin (22%). High-level resistance to streptomycin and kanamycin was observed in 19 and 15% of isolates, respectively. One isolate (4%) exhibited low-level resistance to penicillin and vancomycin, and all isolates were susceptible to gentamicin and chloramphenicol. Antibiotic resistance was linked to the tet(M), tet(L), erm(A), erm(B), msr(A/B), ant(6)-Ia, and aph(3')-IIIa genes...
November 17, 2017: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/29148730/the-effect-of-different-treatment-technologies-on-the-fate-of-antibiotic-resistance-genes-and-class-1-integrons-when-residual-municipal-wastewater-solids-are-applied-to-soil
#17
Tucker Burch, Michael J Sadowsky, Timothy M LaPara
Residual wastewater solids are a significant reservoir of antibiotic resistance genes (ARGs). While treatment technologies can reduce ARG levels in residual wastewater solids, the effects of these technologies on ARGs in soil during subsequent land-application are unknown. In this study we investigated the use of numerous treatment technologies (air drying, aerobic digestion, mesophilic anaerobic digestion, thermophilic anaerobic digestion, pasteurization, and alkaline stabilization) on the fate of ARGs and class 1 integrons in wastewater solids-amended soil microcosms...
November 17, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/29148587/experimental-infection-by-yersinia-ruckeri-o1-biotype-2-induces-brain-lesions-and-neurological-signs-in-rainbow-trout-oncorhynchus-mykiss
#18
H K Strøm, M Ohtani, B Nowak, T S Boutrup, B Jones, M K Raida, A M Bojesen
Pathological manifestations in rainbow trout (Oncorhynchus mykiss) following experimental waterborne infection with Yersinia ruckeri serotype O1 biotype 2 (strain 07111224) were investigated. Rainbow trout were exposed to 8 × 10(7)  CFU/ml of Y. ruckeri by bath for 6 hr, and mortality was then monitored for 22 days post-infection (dpi). Organs were sampled at 3 dpi and also from moribund fish showing signs of severe systemic infection such as bleeding, exophthalmia or erratic swimming behaviour. Y. ruckeri was observed in the meninges and diencephalon of the brain, and lamina propria of olfactory organ at 3 dpi...
November 17, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/29146307/long-term-visual-outcomes-and-safety-profile-of-27-gauge-pars-plana-vitrectomy-for-posterior-segment-disease
#19
M Ali Khan, Alexander Kuley, Christopher D Riemann, Maria H Berrocal, Rohit R Lakhanpal, Jason Hsu, Arunan Sivalingam, Allen C Ho, Carl D Regillo
PURPOSE: To report longer-term outcomes of 27-gauge pars plana vitrectomy (PPV) in eyes with posterior segment disease. DESIGN: Multicenter, retrospective, interventional case series. PARTICIPANTS: A total of 390 eyes of 360 patients undergoing 27-gauge PPV for a vitreoretinal surgery indication. INTERVENTION: Three-port, transconjunctival, 27-gauge PPV. MAIN OUTCOME MEASURES: Change in visual acuity (VA) and occurrence of intraoperative and postoperative complications with a minimum follow-up of 365 days...
November 13, 2017: Ophthalmology
https://www.readbyqxmd.com/read/29145554/prevalence-and-associations-of-central-peripheral-rivalry-type-diplopia-in-patients-with-epiretinal-membrane
#20
Kevin K Veverka, Sarah R Hatt, David A Leske, William L Brown, Andrew J Barkmeier, Raymond Iezzi, Jonathan M Holmes
Importance: The prevalence and clinical associations of patients with epiretinal membrane (ERM) who develop central-peripheral rivalry (CPR)-type diplopia are unknown. Objectives: To determine the prevalence of CPR-type diplopia in retinal disease clinic patients with ERM and to determine clinical findings associated with CPR-type diplopia. Design, Setting and Participants: A prospective cross-sectional study of 31 patients with ERM from retinal disease clinics to determine the prevalence of CPR-type diplopia...
November 16, 2017: JAMA Ophthalmology
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