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https://www.readbyqxmd.com/read/29223030/first-evaluation-of-organotellurium-derivatives-as-carbonic-anhydrase-i-ii-iv-vii-and-ix-inhibitors
#1
Andrea Angeli, Damiano Tanini, Antonella Capperucci, Claudiu T Supuran
A series of tellurides was evaluated as carbonic anhydrase (CA, EC 4.2.1.1) inhibitors against the human (h) carbonic anhydrase isoforms hCA I, II, IV, VII and IX, involved in a variety of diseases, including glaucoma, retinitis pigmentosa, epilepsy, arthritis and tumors. These compounds, which are the first tellurium-containing derivatives acting as inhibitors of carbonic anhydrase enzymes, showed effective inhibition against all isoforms investigated and some of them were selective for inhibiting the cytosolic or the membrane-bound CAs...
December 5, 2017: Bioorganic Chemistry
https://www.readbyqxmd.com/read/29222719/longevity-of-visual-improvements-following-transcorneal-electrical-stimulation-and-efficacy-of-retreatment-in-three-individuals-with-retinitis-pigmentosa
#2
Ava K Bittner, Kenneth Seger
PURPOSE: A small-scale randomized controlled trial conducted by our group found that four of seven retinitis pigmentosa (RP) subjects who received six weekly Transcorneal Electrical Stimulation (TES) sessions developed significant improvements in visual acuity (VA), quick contrast sensitivity function (qCSF), and/or Goldmann visual fields (GVF). We longitudinally monitored three of these participants for declining visual function due to natural RP progression to determine the duration of their responses and administered retreatments...
December 8, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/29222553/ghrelin-attenuates-retinal-neuronal-autophagy-and-apoptosis-in-an-experimental-rat-glaucoma-model
#3
Ke Zhu, Meng-Lu Zhang, Shu-Ting Liu, Xue-Yan Li, Shu-Min Zhong, Fang Li, Ge-Zhi Xu, Zhongfeng Wang, Yanying Miao
Purpose: Ghrelin, a natural ligand for the growth hormone secretagogue receptor type 1a (GHSR-1a), may protect retinal neurons against glaucomatous injury. We therefore characterized the underlying mechanism of the ghrelin/GHSR-1a-mediated neuroprotection with a rat chronic intraocular hypertension (COH) model. Methods: The rat COH model was produced by blocking episcleral veins. A combination of immunohistochemistry, Western blot, TUNEL assay, and retrograde labeling of retinal ganglion cells (RGCs) was used...
December 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29222552/animal-models-of-retinal-vein-occlusion
#4
Meiaad Khayat, Noemi Lois, Michael Williams, Alan W Stitt
Purpose: To provide a comprehensive and current review on the available experimental animal models of retinal vein occlusion (RVO) and to identify their strengths and limitations with the purpose of helping researchers to plan preclinical studies on RVO. Methods: A systematic review of the literature on experimental animal models of RVO was undertaken. Medline, SCOPUS, and Web of Science databases were searched. Studies published between January 1, 1965, and March 31, 2017, and that met the inclusion criteria were reviewed...
December 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29222532/acute-solar-retinopathy-imaged-with-adaptive-optics-optical-coherence-tomography-angiography-and-en-face-optical-coherence-tomography
#5
Chris Y Wu, Michael E Jansen, Jorge Andrade, Toco Y P Chui, Anna T Do, Richard B Rosen, Avnish Deobhakta
Importance: Solar retinopathy is a rare form of retinal injury that occurs after direct sungazing. Objective: To enhance understanding of the structural changes that occur in solar retinopathy by obtaining high-resolution in vivo en face images. Design, Setting, and Participant: Case report of a young adult woman who presented to the New York Eye and Ear Infirmary with symptoms of acute solar retinopathy after viewing the solar eclipse on August 21, 2017...
December 7, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/29222126/autoimmune-crmp5-neuropathy-phenotype-and-outcome-defined-from-105-cases
#6
Divyanshu Dubey, Vanda A Lennon, Avi Gadoth, Sean J Pittock, Eoin P Flanagan, John E Schmeling, Andrew McKeon, Christopher J Klein
OBJECTIVE: To establish the phenotype and clinical outcomes of collapsin response-mediator protein-5 (CRMP5) autoimmune neuropathy in comparison with anti-neuronal nuclear antibody type 1 (ANNA1)-immunoglobulin G (IgG) neuropathy. METHODS: Patients with CRMP5-IgG and/or ANNA1-IgGs were identified in our service-line testing, and medical records were reviewed. RESULTS: One hundred five patients with CRMP5-IgG neuropathy (88% smokers; 69% having cancer, most commonly small cell lung cancer [75%]) were identified and compared to 51 patients with ANNA1-IgG neuropathy, 27 with coexisting CRMP5-IgG...
December 8, 2017: Neurology
https://www.readbyqxmd.com/read/29220114/treat-and-extend-versus-every-other-month-regimens-with-aflibercept-in-age-related-macular-degeneration
#7
Akira Haga, Takahiro Kawaji, Ryuichi Ideta, Yasuya Inomata, Hidenobu Tanihara
PURPOSE: To compare the 1-year outcomes of treat-and-extend (TAE) and every-other-month (2M) regimens with intravitreal aflibercept in Japanese wet age-related macular degeneration (AMD) patients. METHODS: Prospective, multicenter, randomized clinical trial. The primary outcome measure was the proportion of eyes in which the best-corrected visual acuity (BCVA) was maintained at week 52 [with a loss of <0.3 logarithm of minimum angular of resolution (logMAR) units]...
December 8, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/29220112/multispectral-image-analysis-in-vogt-koyanagi-harada-disease
#8
Guo Huang, Junchao Peng, Zi Ye, Aize Kijlstra, Donglei Zhang, Peizeng Yang
PURPOSE: To investigate fundus abnormalities in Vogt-Koyanagi-Harada (VKH) disease by a noninvasive tool, multispectral imaging (MSI). METHODS: A total of 77 patients with VKH and 163 healthy controls were enrolled between January and April 2015. The MSI findings were evaluated in combination with fundus fluorescein angiography (FFA), optical coherent tomography (OCT) and fundus photography (FP). Additionally, we compared extent of exposure of choroidal blood vessels between patients with VKH and healthy controls to evaluate retinal transmission function...
December 8, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/29219962/predictors-of-long-term-neurological-outcomes-in-non-accidental-head-injury
#9
C F Chong, S L Misra, J A Escardo-Paton, S Dai
BackgroundNon-accidental head injury (NAI) is an inflicted injury usually on a child, often resulting in long-term neurological impairment and occasionally death. This study aimed to investigate the predictive values of acute findings, especially ocular, for long-term neurological outcomes.MethodsMedical records including retinal images of all children who attended the local Children's hospital with a diagnosis of NAI from over a period of 5 years were reviewed and data collected via the electronic patient record system...
December 8, 2017: Eye
https://www.readbyqxmd.com/read/29219961/measurement-of-full-thickness-macular-hole-size-using-en-face-optical-coherence-tomography
#10
E Philippakis, M Legrand, M El Sanharawi, A Erginay, A Couturier, R Tadayoni
PurposeTo assess the feasibility and interest of measuring macular hole (MH) size using en face optical coherence tomography (OCT) compared with manual diameter measurements on B-scans.MethodsAmong our previously published series of 100 patients operated for primary MH, patients whose images were acquired with Cirrus 5000 HD-OCT (Carl Zeiss Meditec) with a quality signal strength >5/10 were included. Three segmentations (internal limiting membrane, horizontal, and retinal pigment epithelium (RPE)) were compared for obtaining the most appropriate en face image...
December 8, 2017: Eye
https://www.readbyqxmd.com/read/29219956/surgical-outcomes-of-preoperative-steroid-for-rhegmatogenous-retinal-detachment-with-associated-choroidal-detachment
#11
A Denwattana, S Prakhunhungsit, S Thoongsuwan, N Rodanant, N Phasukkijwatana
PurposeTo investigate the effect of preoperative steroid on anatomical and functional outcomes of vitrectomy in patients with rhegmatogenous retinal detachment with associated choroidal detachment (RRD-CD), a rare but particular type of RRD.Patients and methodsThis retrospective cohort study included RRD-CD patients at Siriraj Hospital during January 2005 to December 2014. Patients with preexisting uveitis or RRD with giant retinal tears were excluded. Preoperative, intraoperative, and postoperative data were reviewed and analyzed...
December 8, 2017: Eye
https://www.readbyqxmd.com/read/29219953/specific-retinal-phenotype-in-early-iqcb1-related-disease
#12
A Vincent, A AlAli, H MacDonald, C VandenHoven, E Héon
PurposeTo describe the ocular and systemic phenotype in IQCB1-related disease.MethodsFour cases (3 males, 1 female) with molecularly confirmed IQCB1-related disease underwent ophthalmological examination including best-corrected visual acuity (BCVA) measurement, fundus evaluation, electroretinography (ERG), and spectral-domain optical coherence tomography (SD-OCT). Systemic evaluation including abdominal ultrasound was performed in all cases.ResultsBCVA ranged from perception of light (Case-2; 1 year) to 20/125 (Case-1; 9 years)...
December 8, 2017: Eye
https://www.readbyqxmd.com/read/29219932/cuticular-drusen-in-an-indigenous-australian
#13
William J Cunningham, Chandrakumar Balaratnasingam, Yi Chen, Fred K Chen
BACKGROUND/PURPOSE: To report a case of cuticular drusen in an indigenous Australian. METHODS: A 37-year-old indigenous (aboriginal) Australian woman from a remote Western Australian town presented with a 2-month history of vision loss. Clinical history, examination, and multimodal retinal imaging data from spectral domain optical coherence tomography, fundus autofluorescence, fluorescein angiography, and indocyanine green angiography were analyzed. RESULTS: Multimodal imaging confirmed cuticular drusen complicated by a right choroidal neovascularization with pigment epithelial detachment and a left foveal vitelliform lesion...
December 5, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/29219899/clinical-outcomes-using-oversized-back-plates-in-type-i-boston-keratoprosthesis
#14
Aaron R Kaufman, Andrea Cruzat, Kathryn A Colby
OBJECTIVES: To examine clinical outcomes of oversized titanium back plates in type I Boston keratoprosthesis (KPro) implantation. METHODS: Retrospective study of 22 sequential eyes (20 patients) undergoing type I KPro implantation with an oversized titanium back plate (larger than trephined wound diameter by 1.0 mm or more), performed by a single surgeon (K.A.C.) from June 2010 to November 2014. Data were collected regarding preoperative eye characteristics, surgical details, and postoperative clinical outcomes...
December 5, 2017: Eye & Contact Lens
https://www.readbyqxmd.com/read/29219060/nattokinase-an-updated-critical-review-on-challenges-and-perspectives
#15
Ethiraj Selvarajan
Natto, a fermented soybean food, has been consumed by oriental people for more than 1000 years. Nattokinase, formerly called subtilisin NAT is a well studied protease of microbial origin that possesses fibrinolytic (anti-clotting) activities. Due to its strong fibrinolytic and thrombolytic activity, Nattokinase is regarded as a precious dietary supplement or nutraceutical for the oral thrombolytic therapy. Nattokinase is witnessed to be a useful enzyme for the com-plete removal of the vitreous and associated proliferative tissues in proliferative vitreo retinal disorders...
December 7, 2017: Cardiovascular & Hematological Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/29218725/characterization-of-retinal-ganglion-cell-horizontal-cell-and-amacrine-cell-types-expressing-the-neurotrophic-receptor-tyrosine-kinase-ret
#16
Nadia Parmhans, Szilard Sajgo, Jingwen Niu, Wenqin Luo, Tudor Constantin Badea
We report the retinal expression pattern of Ret, a receptor tyrosine kinase for the Glial Derived Neurotrophic Factor (GDNF) family ligands (GFLs), during development and in the adult mouse. Ret is initially expressed in Retinal Ganglion Cells (RGCs), followed by Horizontal Cells (HCs) and Amacrine Cells (ACs), beginning with the early stages of postmitotic development. Ret expression persists in all three classes of neurons in the adult. Using RNA sequencing, immunostaining and random sparse recombination, we show that Ret is expressed in at least three distinct types of ACs, and ten types of RGCs...
December 8, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/29218608/-correction-trends-in-retinal-detachment-surgery-what-has-changed-compared-to-2001
#17
C V Fischer, M Kulanga, H Hoerauf
No abstract text is available yet for this article.
December 7, 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/29218308/opportunities-for-crispr-cas9-gene-editing-in-retinal-regeneration-research
#18
REVIEW
Leah J Campbell, David R Hyde
While retinal degeneration and disease results in permanent damage and vision loss in humans, the severely damaged zebrafish retina has a high capacity to regenerate lost neurons and restore visual behaviors. Advancements in understanding the molecular and cellular basis of this regeneration response give hope that strategies and therapeutics may be developed to restore sight to blind and visually-impaired individuals. Our current understanding has been facilitated by the amenability of zebrafish to molecular tools, imaging techniques, and forward and reverse genetic approaches...
2017: Frontiers in Cell and Developmental Biology
https://www.readbyqxmd.com/read/29218091/angiogenic-and-wound-healing-potency-of-fermented-virgin-coconut-oil-in-vitro-and-in-vivo-studies
#19
Ahmad H Ibrahim, Haibo Li, Sawsan S Al-Rawi, Aman Shah Abdul Majid, Omar Am Al-Habib, Xiaobo Xia, Amin Ms Abdul Majid, Dan Ji
OBJECTIVE: The process of wound healing involves activation of keratinocytes, fibroblasts, endothelial cells, etc. Angiogenesis is crucial during the process of wound healing. Virgin coconut oil is widely utilized in South Asia for various purposes including food, medicinal and industrial applications. This study aimed to evaluate the potency of fermented virgin coconut oil (FVCO) in angiogenesis and wound healing via both in vitro and in vivo assays. METHODS: Human umbilical vein endothelial (HUVEC), fibroblast (CCD-18) and retinal ganglion (RGC-5) cells were cultured in medium containing different concentrations of FVCO...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/29217689/dopamine-dependent-sensitization-of-rod-bipolar-cells-by-gaba-is-conveyed-through-wide-field-amacrine-cells
#20
Amanda M Travis, Stephanie J Heflin, Arlene A Hirano, Nicholas C Brecha, Vadim Y Arshavsky
Vertebrate retina has the remarkable ability to support visual function under conditions of limited illumination, including processing signals evoked by single photons. Dim light vision is regulated by several adaptive mechanisms. The mechanism explored in this study is responsible for increasing the light sensitivity and operational range of rod bipolar cells, the retinal neurons operating immediately downstream of rod photoreceptors. This sensitization is achieved through the sustained dopamine-dependent GABA release from other retinal neurons...
December 6, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
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