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https://www.readbyqxmd.com/read/27932477/moss-produced-glycosylation-optimized-human-factor-h-for-therapeutic-application-in-complement-disorders
#1
Stefan Michelfelder, Juliana Parsons, Lennard L Bohlender, Sebastian N W Hoernstein, Holger Niederkrüger, Andreas Busch, Nicola Krieghoff, Jonas Koch, Benjamin Fode, Andreas Schaaf, Thomas Frischmuth, Martin Pohl, Peter F Zipfel, Ralf Reski, Eva L Decker, Karsten Häffner
Genetic defects in complement regulatory proteins can lead to severe renal diseases, including atypical hemolytic uremic syndrome and C3 glomerulopathies, and age-related macular degeneration. The majority of the mutations found in patients with these diseases affect the glycoprotein complement factor H, the main regulator of the alternative pathway of complement activation. Therapeutic options are limited, and novel treatments, specifically those targeting alternative pathway activation, are highly desirable...
December 8, 2016: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/27928888/self-care-tools-to-treat-depressive-symptoms-in-patients-with-age-related-eye-disease-a-randomized-controlled-clinical-trial
#2
Hortence Kamga, Jane McCusker, Mark Yaffe, Maida Sewitch, Tamara Sussman, Erin Strumpf, Sébastien Olivier, Walter Wittich, Solmaz Moghadaszadeh, Ellen E Freeman
BACKGROUND: Depression is very common in people with age-related eye disease. Our goal was to determine if self-care tools plus limited telephone support could reduce depressive symptoms in patients with age-related macular degeneration (AMD) or diabetic retinopathy (DR). DESIGN: A single-blind randomized controlled clinical trial was conducted at Maisonneuve-Rosemont Hospital in Montreal, Canada. PARTICIPANTS: Eighty participants were recruited METHODS: To be eligible, participants must have had either late stage AMD or DR, at least mild depressive symptoms, and visual acuity better than 20/200...
December 7, 2016: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/27926751/ocular-perfusion-pressure-and-choroidal-thickness-in-early-age-related-macular-degeneration-patients-with-reticular-pseudodrusen
#3
Cheolmin Yun, Jaemoon Ahn, Minjung Kim, Soon-Young Hwang, Seong-Woo Kim, Jaeryung Oh
Purpose: The purpose of this study was to investigate the relationship between the ocular perfusion pressure (OPP) and subfoveal choroidal thickness (CT) in eyes with early age-related macular degeneration (AMD) with or without reticular pseudodrusen (RPD). Methods: We evaluated the clinical history, blood pressure parameters, fundus photography, and optical coherence tomography images of consecutive patients with early AMD. We calculated the mean OPP from blood pressure and intraocular pressure...
December 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27918759/the-functional-effect-of-rare-variants-in-complement-genes-on-c3b-degradation-in-patients-with-age-related-macular-degeneration
#4
Maartje J Geerlings, Mariann Kremlitzka, Bjorn Bakker, Sara C Nilsson, Nicole T Saksens, Yara T Lechanteur, Marc Pauper, Jordi Corominas, Sascha Fauser, Carel B Hoyng, Anna M Blom, Eiko K de Jong, Anneke I den Hollander
Importance: In age-related macular degeneration (AMD), rare variants in the complement system have been described, but their functional consequences remain largely unexplored. Objectives: To identify new rare variants in complement genes and determine the functional effect of identified variants on complement levels and complement regulation in serum samples from carriers and noncarriers. Design, Setting, and Participants: This study evaluated affected (n = 114) and unaffected (n = 60) members of 22 families with AMD and a case-control cohort consisting of 1831 unrelated patients with AMD and 1367 control individuals from the European Genetic Database from March 29, 2006, to April 26, 2013, in Nijmegen, the Netherlands, and Cologne, Germany...
December 1, 2016: JAMA Ophthalmology
https://www.readbyqxmd.com/read/27918307/vegf-regulates-local-inhibitory-complement-proteins-in-the-eye-and-kidney
#5
Lindsay S Keir, Rachel Firth, Lyndsey Aponik, Daniel Feitelberg, Susumu Sakimoto, Edith Aguilar, Gavin I Welsh, Anna Richards, Yoshihiko Usui, Simon C Satchell, Valeryia Kuzmuk, Richard J Coward, Jonathan Goult, Katherine R Bull, Ruchi Sharma, Kapil Bharti, Peter D Westenskow, Iacovos P Michael, Moin A Saleem, Martin Friedlander
Outer retinal and renal glomerular functions rely on specialized vasculature maintained by VEGF that is produced by neighboring epithelial cells, the retinal pigment epithelium (RPE) and podocytes, respectively. Dysregulation of RPE- and podocyte-derived VEGF is associated with neovascularization in wet age-related macular degeneration (ARMD), choriocapillaris degeneration, and glomerular thrombotic microangiopathy (TMA). Since complement activation and genetic variants in inhibitory complement factor H (CFH) are also features of both ARMD and TMA, we hypothesized that VEGF and CFH interact...
December 5, 2016: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/27913869/ranibizumab-for-vascularized-pigment-epithelial-detachment-1-year-anatomic-and-functional-results
#6
Olivier Chevreaud, Hassiba Oubraham, Salomon Y Cohen, Camille Jung, Rocio Blanco-Garavito, Farah Gherdaoui, Eric H Souied
PURPOSE: To assess the anatomical and functional efficacy of ranibizumab on vascularized pigment epithelial detachment (V-PED) secondary to neovascular age-related macular degeneration (nAMD). METHODS: One hundred and nine patients (116 eyes) were retrospectively selected from medical records of 2097 patients who benefited from intravitreal injection between January 2011 and June 2013 in a tertiary-care University-based Department of Ophthalmology. Inclusion criteria were: nAMD, treatment-naive eyes, presence of V-PED higher than 250 μm, intravitreal ranibizumab with a loading phase, followed by a pro-re-nata regimen, and 1-year follow-up...
December 3, 2016: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/27913556/how-does-age-related-macular-degeneration-affect-real-world-visual-ability-and-quality-of-life-a-systematic-review
#7
Deanna J Taylor, Angharad E Hobby, Alison M Binns, David P Crabb
OBJECTIVES: To review systematically the evidence of age-related macular degeneration (AMD) affecting real-world visual ability and quality of life (QoL). To explore trends in specific topics within this body of the literature. DESIGN: Systematic review. METHODS: A systematic literature search was carried out using MEDLINE, EMBASE, CINAHL, PsycINFO, PsychARTICLES and Health and Psychosocial Instruments for articles published up to January 2015 for studies including people diagnosed with AMD, assessing real-world visual ability or QoL as an outcome...
December 2, 2016: BMJ Open
https://www.readbyqxmd.com/read/27913442/comparison-of-anti-vegf-therapies-on-fibrovascular-pigment-epithelial-detachments-in-age-related-macular-degeneration
#8
Adrian Au, Vishal S Parikh, Rishi P Singh, Justis P Ehlers, Alex Yuan, Aleksandra V Rachitskaya, Jonathan E Sears, Sunil K Srivastava, Peter K Kaiser, Andrew P Schachat, Daniel F Martin, Yasha Modi
BACKGROUND: The aim is to compare the therapeutic effects of three antivascular endothelial growth factor (VEGF) drugs (bevacizumab, aflibercept and ranibizumab) on fibrovascular pigment epithelial detachments (fvPEDs) in age-related macular degeneration (AMD). METHODS: This was a retrospective, comparative, consecutive case series of 88 unique eyes with fvPEDs in neovascular AMD treated with anti-VEGF monotherapy for a minimum of 6 months. All eyes were treatment naive...
December 2, 2016: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/27912913/intravitreal-therapies-for-non-neovascular-age-related-macular-degeneration-with-intraretinal-or-subretinal-fluid
#9
M Cuesta-Lasso, A Vieira-Barros, R Dolz-Marco, M J Roig-Revert, J Badal, L Amselem, M Díaz-Llopis, R Gallego-Pinazo
OBJECTIVE: To evaluate the efficacy of intravitreal therapies in cases of atrophic age-related macular degeneration (AMD) with subretinal or intraretinal fluid. METHODS: A retrospective review was made of the clinical charts of patients diagnosed with atrophic AMD with subretinal or intraretinal fluid. Fundus photographs and spectral-domain optical coherence tomography images were examined, and an analysis was made on the presence of fluid and its density. Neovascularisation was ruled out by fluorescein and/or indocyanine green angiography...
November 29, 2016: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/27911444/impact-of-optical-coherence-tomography-scanning-density-on-quantitative-analyses-in-neovascular-age-related-macular-degeneration
#10
S B Velaga, M G Nittala, R K Konduru, F Heussen, P A Keane, S R Sadda
PurposeTo assess the influence of varying B-scan frame-sampling densities on retinal thickness and volume measurements from spectral domain optical coherence tomography (OCT) in eyes with neovascular age-related macular degeneration (AMD).MethodsVolume OCT data (512 × 128 macular cube over 6 × 6 mm) were collected from 39 eyes with neovascular AMD. All 128 B-scans in each image set were manually segmented, allowing quantification of the neurosensory retina, subretinal fluid (SRF), subretinal hyperreflective material (SRHM), and pigment epithelium detachment (PED)...
December 2, 2016: Eye
https://www.readbyqxmd.com/read/27910906/analysis-of-the-serum-lipid-profile-in-polypoidal-choroidal-vasculopathy
#11
Miaoling Li, Xiongze Zhang, Nanying Liao, Baikang Ye, Yuting Peng, Yuying Ji, Feng Wen
Polypoidal choroidal vasculopathy (PCV), the predominant subtype of neovascular age-related macular degeneration in the Asian population, is associated with genetic polymorphism of lipid metabolism. In this study, we performed the untargeted lipidomics approach of ultra-performance liquid chromatography coupled with mass spectrometry (UPLC-MS) to reveal the potential discriminating lipid profile of PCV patients in serum (21 PCV patients and 19 age-matched controls). Unsupervised principal component, supervised orthogonal partial least squares analysis, correlation analysis, and heatmap analysis were performed with the data obtained by UPLC-MS...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27909796/-clinical-morphological-and-molecular-biological-characteristics-of-the-aging-eye
#12
M R R Böhm, H Thomasen, F Parnitzke, K-P Steuhl
BACKGROUND: The physiological aging of the eye is associated with loss of visual function. Age-related changes of the eye can result in ophthalmological diseases. The aim of this article is to display morphological, histological and molecular biological alterations of the aging eye. MATERIAL AND METHODS: A web-based search and review of the literature for aging of the visual system including cornea, lens, vitreous humor, retina, retinal pigment epithelium (RPE), choroidea and optic nerve were carried out...
December 1, 2016: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/27907924/outcomes-when-switching-from-a-pro-re-nata-regimen-to-a-treat-and-extend-regimen-using-aflibercept-in-neovascular-age-related-macular-degeneration
#13
Helena Giannakaki-Zimmermann, Andreas Ebneter, Marion R Munk, Sebastian Wolf, Martin S Zinkernagel
PURPOSE: To investigate outcomes in patients with neovascular age-related macular degeneration (AMD) switched from a pro re nata regimen (PRN) to a treat and extend regimen (TER) under aflibercept. PROCEDURE: Thirty-two patients were observed over 2 years: the first year on PRN and the second year on TER. Best-corrected visual acuity (BCVA) and central retinal thickness (CRT) were evaluated. Intra- and subretinal fluid as well as the number of visits and injections were assessed...
December 2, 2016: Ophthalmologica. Journal International D'ophtalmologie
https://www.readbyqxmd.com/read/27903086/the-association-of-smokeless-tobacco-use-and-pack-years-of-smokeless-tobacco-with-age-related-macular-degeneration-in-indian-population
#14
Sangeetha Srinvasan, Gayathri Swaminathan, Vaitheeswaran Kulothungan, Tarun Sharma, Rajiv Raman
PURPOSE: To explore the association of use and the influence of pack-year use of smokeless tobacco versus no use with that of early and late age-related macular degeneration (AMD) in rural and urban south Indian population. We hypothesized that the use and pack-years of use would be significantly associated with both early and late AMD. We therefore sought to examine subjects who gave a history of using smokeless tobacco and we quantified the usage as pack-years, to examine the association with that of early and late AMD...
November 30, 2016: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/27899367/intake-of-key-micronutrients-and-food-groups-in-patients-with-late-stage-age-related-macular-degeneration-compared-with-age-sex-matched-controls
#15
Bamini Gopinath, Gerald Liew, Joanna Russell, Victoria Cosatto, George Burlutsky, Paul Mitchell
BACKGROUND: Knowledge of the risk factor profile of patients presenting with late-stage age-related macular degeneration (AMD) could help identify the most frequent modifiable AMD precursors among people who are referred for treatment. We aimed to assess dietary behaviours by comparing adjusted mean intakes of micronutrients and major food groups (fruits, vegetables, fish) among patients with AMD and a sample of age-sex-matched controls. METHODS: Cross-sectional analysis of 480 late AMD cases and 518 population-based age-sex-matched controls with no AMD signs...
November 29, 2016: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/27893108/choroidal-thickness-influences-near-infrared-reflectance-intensity-in-eyes-with-geographic-atrophy-due-to-age-related-macular-degeneration
#16
Rosa Dolz-Marco, Orly Gal-Or, K Bailey Freund
Purpose: To evaluate the effects of retinal and choroidal thickness on near-infrared reflectance (NIR) scanning laser ophthalmoscopy in eyes with geographic atrophy (GA) secondary to non-neovascular age-related macular degeneration (AMD). Methods: This was a cross-sectional review of the clinical records and multimodal imaging data of eyes diagnosed with GA secondary to non-neovascular AMD. Imaging modalities included color fundus photography, fundus autofluorescence, NIR, and structural spectral-domain optical coherence tomography (SD-OCT)...
November 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27893095/functional-reading-independence-fri-index-a-new-patient-reported-outcome-measure-for-patients-with-geographic-atrophy
#17
Miriam Kimel, Nancy Kline Leidy, Elizabeth Tschosik, Chantal Dolan, Eric H Souied, Rohit Varma, Neil M Bressler
Purpose: To develop and validate the Functional Reading Independence (FRI) Index, a new patient-reported outcome measure assessing reading activities in individuals with geographic atrophy (GA) due to age-related macular degeneration. Methods: The Index was developed through expert consultation and qualitative patient interviews. Reliability, validity, and responsiveness were tested with data from the Mahalo study (NCT01229215) of lampalizumab in patients with GA...
November 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27892514/gwas-study-using-dna-pooling-strategy-identifies-association-of-variant-rs4910623-in-or52b4-gene-with-anti-vegf-treatment-response-in-age-related-macular-degeneration
#18
Moeen Riaz, Laura Lorés-Motta, Andrea J Richardson, Yi Lu, Grant Montgomery, Amer Omar, Robert K Koenekoop, John Chen, Philipp Muether, Lebriz Altay, Tina Schick, Sascha Fauser, Dzenita Smailhodzic, Freekje van Asten, Eiko K de Jong, Carel B Hoyng, Kathryn P Burdon, Stuart MacGregor, Robyn H Guymer, Anneke I den Hollander, Paul N Baird
Pooled DNA based GWAS to determine genetic association of SNPs with visual acuity (VA) outcome in anti-vascular endothelial growth factor (anti-VEGF) treated neovascular age-related macular degeneration (nAMD) patients. We performed pooled DNA based GWAS on 285 anti-VEGF treated nAMD patients using high density Illumina 4.3 M array. Primary outcome was change in VA in Early Treatment Diabetic Retinopathy Study (ETDRS) letters after 6 months of anti-VEGF treatment (patients who lost ≥5 ETDRS letters classified as non-responders and all remaining classified as responders)...
November 28, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27890475/slowed-dark-adaptation-in-older-eyes-effect-of-location
#19
Humza J Tahir, Elena Rodrigo-Diaz, Neil R A Parry, Jeremiah M F Kelly, D Carden, Ian J Murray
PURPOSE: The rate of rod sensitivity recovery following a photobleach is a basic measure of the integrity of the outer retina. Rods are selectively impaired in aging and many disorders of the retina, notably Age-Related Macular Degeneration (AMD). It is not known for certain whether the age-related deficit is a pan-retinal effect or if there are localised regions of impaired rod function. To address this important issue a dual arc stimulus was developed that samples sensitivity recovery in two retinal locations...
November 24, 2016: Experimental Eye Research
https://www.readbyqxmd.com/read/27885338/effects-of-intravitreal-ranibizumab-injection-on-chinese-patients-with-wet-age-related-macular-degeneration-5-year-follow-up-results
#20
Yingyi Lu, Jianfeng Huang, Jing Zhao, Xiaobing Yu, Li Long, Hong Dai
Purpose. To observe the effect of intravitreal ranibizumab injection on wet age-related macular degeneration (wAMD) over 5 years in Chinese patients. Methods. Thirty-seven patients who were diagnosed with wAMD in our hospital from June 2007 to June 2014 were retrospectively reviewed. The PRN regimen and the treatment and extend regimen were applied. Best corrected visual acuity (BCVA), number of ranibizumab injections, and changes in the choroidal neovascularization (CNV) lesion over 5 years were analyzed. Results...
2016: Journal of Ophthalmology
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