keyword
MENU ▼
Read by QxMD icon Read
search

age-related macular degeneration

keyword
https://www.readbyqxmd.com/read/28343170/mirnas-single-nucleotide-polymorphisms-snps-and-age-related-macular-degeneration-amd
#1
John Paul SanGiovanni, Peter M SanGiovanni, Przemysław Sapieha, Vincent De Guire
Advanced age-related macular degeneration (AAMD) is a complex sight-threating disease of public health significance. Micro RNAs (miRNAs) have been proposed as biomarkers for AAMD. The presence of certain single nucleotide polymorphisms (SNPs) may influence the explanatory value of these biomarkers. Here we present findings from an integrated approach used to determine whether AAMD-associated SNPs have the capacity to influence miRNA-mRNA pairing and, if so, to what extent such pairing may be manifested in a discrete AAMD transcriptome...
March 27, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28342568/erratum-to-%C3%A2-availability-of-resources-for-patients-with-wet-age-related-macular-degeneration-optimal-study%C3%A2-arch-soc-esp-oftalmol-88-8-2013-307-312
#2
R Casaroli-Marano, M Roura
No abstract text is available yet for this article.
March 22, 2017: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/28338556/adult-onset-foveomacular-vitelliform-dystrophy-evaluated-by-means-of-optical-coherence-tomography-angiography-a-comparison-with-dry-age-related-macular-degeneration-and-healthy-eyes
#3
Lisa Toto, Enrico Borrelli, Rodolfo Mastropasqua, Luca Di Antonio, Peter A Mattei, Paolo Carpineto, Leonardo Mastropasqua
PURPOSE: To investigate alterations of superficial and deep retinal vascular densities, as well as of choroidal thickness, in patients affected by adult-onset foveomacular vitelliform dystrophy (AOFVD). METHODS: A total of 22 eyes (15 patients) affected by AOFVD were recruited in the study. Furthermore, 20 eyes of 20 healthy subjects and 20 eyes of 18 patients affected by intermediate dry age-related macular degeneration (AMD) were enrolled. All patients underwent a complete ophthalmologic examination, including optical coherence tomography angiography...
March 23, 2017: Retina
https://www.readbyqxmd.com/read/28336424/the-impact-of-oxidative-stress-and-inflammation-on-rpe-degeneration-in-non-neovascular-amd
#4
REVIEW
Sayantan Datta, Marisol Cano, Katayoon Ebrahimi, Lei Wang, James T Handa
The retinal pigment epithelium (RPE) is a highly specialized, unique epithelial cell that interacts with photoreceptors on its apical side and with Bruch's membrane and the choriocapillaris on its basal side. Due to vital functions that keep photoreceptors healthy, the RPE is essential for maintaining vision. With aging and the accumulated effects of environmental stresses, the RPE can become dysfunctional and die. This degeneration plays a central role in age-related macular degeneration (AMD) pathobiology, the leading cause of blindness among the elderly in western societies...
March 20, 2017: Progress in Retinal and Eye Research
https://www.readbyqxmd.com/read/28336284/macular-pigment-density-variation-after-supplementation-of-lutein-and-zeaxanthin-using-the-visucam-%C3%A2-200-pigment-module-impact-of-age-related-macular-degeneration-and-lens-status
#5
G Azar, M Quaranta-El Maftouhi, J-J Masella, M Mauget-Faÿsse
PURPOSE: To assess the evolution of macular pigment optical density (MPOD) following supplementation with various macular formulations obtained with the Visucam(®) 200, and to study the factors affecting MPOD measurements. MATERIALS AND METHODS: In this prospective, randomized, double-masked multicenter study, patients were divided into 2 groups: group A (patients without retinal pathology who underwent cataract surgery 1 month previously) and group B (patients with neovascular age-related macular degeneration [AMD] in one eye)...
March 20, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28336272/apigenin-7-diglucuronide-protects-retinas-against-bright-light-induced-photoreceptor-degeneration-through-the-inhibition-of-retinal-oxidative-stress-and-inflammation
#6
Minjuan Bian, Yong Zhang, Xiaoye Du, Jing Xu, Jingang Cui, Jiangping Gu, Weiliang Zhu, Teng Zhang, Yu Chen
Vision impairment in retinal degenerative diseases such as age-related macular degeneration is primarily associated with photoreceptor degeneration, in which oxidative stress and inflammatory responses are mechanistically involved as central players. Therapies with photoreceptor protective properties remain to be developed. Apigenin-7-diglucuronide (A7DG), a flavonoid glycoside, is present in an assortment of medicinal plants with anti-inflammatory or ant-oxidant activities. However, the pharmacological significance of A7DG remains unknown in vivo...
March 20, 2017: Brain Research
https://www.readbyqxmd.com/read/28336262/increased-susceptibility-to-fundus-camera-delivered-light-induced-retinal-degeneration-in-mice-deficient-in-oxidative-stress-response-proteins
#7
Yi Ding, Bogale Aredo, Xin Zhong, Cynthia X Zhao, Rafael L Ufret-Vincenty
Oxidative stress is an important contributor to the pathogenesis of many retinal diseases including age-related macular degeneration and retinal dystrophies. Light-induced retinal degeneration (LIRD) can serve as a model in which to study the response of the retina to stress. Of note, many genetic mutant mice are in a C57BL/6 J background and are thus resistant to the usual LIRD models. We recently developed a new model of fundus camera-delivered light-induced retinal degeneration (FCD-LIRD) which is effective in strains of mice expressing the light-resistant variant of RPE65 (450Met), including C57BL/6 J...
March 20, 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/28336128/retinal-pigment-epithelium-tears-classification-pathogenesis-predictors-and-management
#8
REVIEW
Mehmet Giray Ersoz, Murat Karacorlu, Serra Arf, Isil Sayman Muslubas, Mumin Hocaoglu
Various eye conditions cause tears in the retinal pigment epithelium (RPE). The most common cause of an RPE tear is vascularized retinal pigment epithelial detachment (PED) in patients with exudative age-related macular degeneration. Although RPE tears can develop spontaneously in vascularized PEDs, most recent cases have been associated with anti-vascular endothelial growth factor (VEGF) injections. The subretinal fluid within the PED applies hydrostatic pressure to the RPE and stretches it. The PED enlarges as the hydrostatic pressure increases...
March 20, 2017: Survey of Ophthalmology
https://www.readbyqxmd.com/read/28334846/dapl1-a-susceptibility-locus-for-age-related-macular-degeneration-acts-as-a-novel-suppressor-of-cell-proliferation-in-the-retinal-pigment-epithelium
#9
Xiaoyin Ma, Huirong Li, Yipin Wang, Jing Wang, Qinxiang Zheng, Jiajia Hua, Juan Yang, Li Pan, Fan Lu, Jia Qu, Ling Hou
The retinal pigment epithelium (RPE) forms a monolayer at the back of the vertebrate eye and is fundamental to retinal function and homoeostasis. During early development, RPE cells undergo rapid proliferation, but in the adult, they remain normally nonproliferative throughout life. Nevertheless, under pathological conditions such as in proliferative vitreoretinopathy or after retinal ablation, mature RPE cells can re-enter the cell cycle and form nodules or multiple cell layers. Here we show that Dapl1, whose human homolog represents a susceptibility locus for age-related macular degeneration (AMD), is highly up-regulated in quiescent but not proliferating RPE cells and that experimental overexpression of DAPL1 in proliferating RPE cells inhibits their proliferation...
February 22, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28333572/new-insights-on-complement-inhibitor-cd59-in-mouse-laser-induced-choroidal-neovascularization-mislocalization-after-injury-and-targeted-delivery-for-protein-replacement
#10
Gloriane Schnabolk, Mee Keong Beon, Stephen Tomlinson, Bärbel Rohrer
PURPOSE: The membrane attack complex (MAC) in choriocapillaris (CC) and retinal pigment epithelium (RPE) increase with age and disease (age-related macular degeneration). MAC assembly can be inhibited by CD59, a membrane-bound regulator. Here we further investigated the role of CD59 in murine choroidal neovascularization (CNV), a model involving both CC and RPE, and tested whether CR2-CD59, a soluble targeted form of CD59, provides protection. METHODS: Laser-induced CNV was generated in wild type and CD59a-deficient mice (CD59(-/-))...
March 23, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28332910/association-between-dietary-xanthophyll-lutein-and-zeaxanthin-intake-and-early-age-related-macular-degeneration-the-atherosclerosis-risk-in-communities-study
#11
Henry Lin, Julie A Mares, Michael J LaMonte, William E Brady, Michelle W Sahli, Ronald Klein, Barbara E K Klein, Jing Nie, Amy E Millen
PURPOSE: To examine the association between xanthophyll intake and prevalent early age-related macular degeneration (AMD) using data from the Atherosclerosis Risk in Communities Study (n = 10,295). Potential effect modification by genetic polymorphisms and biomarkers of high-density lipoprotein (HDL) metabolism was explored. METHODS: Xanthophyll intake was assessed at visit 1 (1987-1989) using food frequency questionnaires. Prevalent early AMD was assessed at visit 3 (1993-1995) via retinal photographs...
March 23, 2017: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/28331281/the-involvement-of-atf4-and-s-opsin-in-retinal-photoreceptor-cell-damage-induced-by-blue-led-light
#12
Emi Ooe, Kazuhiro Tsuruma, Yoshiki Kuse, Saori Kobayashi, Masamitsu Shimazawa, Hideaki Hara
PURPOSE: Blue light is a high-energy emitting light with a short wavelength in the visible light spectrum. Blue light induces photoreceptor apoptosis and causes age-related macular degeneration or retinitis pigmentosa. In the present study, we investigated the roles of endoplasmic reticulum (ER) stress induced by blue light-emitting diode (LED) light exposure in murine photoreceptor cells. METHODS: The murine photoreceptor cell line was incubated and exposed to blue LED light (464 nm blue LED light, 450 lx, 3 to 24 h)...
2017: Molecular Vision
https://www.readbyqxmd.com/read/28328847/effect-of-topical-isopropyl-unoprostone-on-macular-atrophy-progression-in-eyes-with-exudative-age-related-macular-degeneration
#13
Chieko Shiragami, Masahiro Miyake, Atsushi Fujiwara, Yuki Morizane, Akitaka Tsujikawa, Ayana Yamashita, Fumio Shiraga
BACKGROUND: To evaluate the efficacy and safety of topical isopropyl unoprostone (IU) in treating macular atrophy in age-related macular degeneration (AMD) patients. METHODS: Fifty-two AMD patients with macular atrophy were included and randomly assigned (1:1) to the treatment (topical 0.15% IU) or placebo group. Subjects used study eye drops 3 times a day for 54 weeks. The macular atrophy was documented on fundus autofluorescence photographs and measured using RegionFinder...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28328288/the-role-of-mf-erg-in-the-diagnosis-and-treatment-of-age-related-macular-degeneration-electrophysiological-features-of-amd
#14
Marilita M Moschos, Eirini Nitoda
INTRODUCTION: Age-related macular cegeneration (AMD) is the leading cause of visual dysfunction worldwide, affecting 9-25% of individuals between 65 and 75 years old. METHODS: We have reviewed the published articles investigating the role of multifocal electroretinogram (mf-ERG) in the diagnosis and treatment of AMD. RESULTS: Visual evoked potentials have revealed decreased amplitudes and higher latencies in patients with AMD, while the degeneration of photoreceptors and abnormalities of retinal pigment epithelium can be identified by electro-oculogram recordings...
March 22, 2017: Seminars in Ophthalmology
https://www.readbyqxmd.com/read/28325297/engineering-of-pedf-expressing-primary-pigment-epithelial-cells-by-the-sb-transposon-system-delivered-by-pfar4-plasmids
#15
Gabriele Thumann, Nina Harmening, Cécile Prat-Souteyrand, Corinne Marie, Marie Pastor, Attila Sebe, Csaba Miskey, Laurence D Hurst, Sabine Diarra, Martina Kropp, Peter Walter, Daniel Scherman, Zoltán Ivics, Zsuzsanna Izsvák, Sandra Johnen
Neovascular age-related macular degeneration (nvAMD) is characterized by choroidal blood vessels growing into the subretinal space, leading to retinal pigment epithelial (RPE) cell degeneration and vision loss. Vessel growth results from an imbalance of pro-angiogenic (e.g., vascular endothelial growth factor [VEGF]) and anti-angiogenic factors (e.g., pigment epithelium-derived factor [PEDF]). Current treatment using intravitreal injections of anti-VEGF antibodies improves vision in about 30% of patients but may be accompanied by side effects and non-compliance...
March 17, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28325166/color-perception-differentiates-alzheimer-s-disease-ad-from-vascular-dementia-vad-patients
#16
N A Arnaoutoglou, M Arnaoutoglou, P Nemtsas, V Costa, S J Baloyannis, K P Ebmeier
BACKGROUND: Alzheimer's Disease (AD) and Vascular Dementia (VaD) are the most common causes of dementia in older people. Both diseases appear to have similar clinical symptoms, such as deficits in attention and executive function, but specific cognitive domains are affected. Current cohort studies have shown a close relationship between αβ deposits and age-related macular degeneration (Johnson et al., 2002; Ratnayaka et al., 2015). Additionally, a close link between the thinning of the retinal nerve fiber (RNFL) and AD patients has been described, while it has been proposed that AD patients suffer from a non-specific type of color blindness (Pache et al...
March 22, 2017: International Psychogeriatrics
https://www.readbyqxmd.com/read/28324113/microrna-expression-patterns-involved-in-amyloid-beta-induced-retinal-degeneration
#17
Peirong Huang, Junran Sun, Fenghua Wang, Xueting Luo, Jingyang Feng, Qing Gu, Te Liu, Xiaodong Sun
Purpose: Dry age-related macular degeneration (AMD) is characterized by the accumulation of drusen under Bruch's membrane, and amyloid beta (Aβ) is speculated to be one of the key pathologic factors. While the detrimental effects of Aβ on retinas have been widely explored, Aβ-induced epigenetic regulatory changes have yet to be fully investigated. We therefore aimed to identify the microRNA (miRNA) expression profiles in an Aβ-induced mouse model of retinal degeneration. Methods: C57BL/6 mice were intravitreally injected with Aβ1-40 or PBS and the eye tissues were collected for hematoxylin and eosin (H&E) staining, apoptosis immunofluorescence staining, and miRNA profiling...
March 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28321407/pten-reduced-uvb-mediated-apoptosis-in-retinal-pigment-epithelium-cells
#18
Jia He, Chongde Long, Zixin Huang, Xin Zhou, Xielan Kuang, Lanying Liu, Huijun Liu, Yan Tang, Yuting Fan, Jie Ning, Xinqi Ma, Qingjiong Zhang, Huangxuan Shen
Age-related macular degeneration (AMD) is a leading cause of blindness and progressive loss of central vision in the elderly population. The important factor of AMD pathogenesis is the degeneration of retinal pigment epithelial (RPE) cells by oxidative stress. Inactivation of PTEN can disrupt intercellular adhesion in the RPE cells, but the mechanism of oxidative stress is less known. Here we presented evidence that UVB-mediated oxidative stress induced apoptosis in ARPE-19 cells. Downregulation of the expression of PTEN in UVB-irradiative RPE cells triggered DNA damage and increased the level of UVB-induced apoptosis by activating p53-dependent pathway...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28318930/cell-therapy-for-age-related-macular-degeneration-a-new-vision-for-the-bone-marrow
#19
Alexander V Ljubimov
No abstract text is available yet for this article.
March 15, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28316876/automated-brightness-and-contrast-adjustment-of-color-fundus-photographs-for-the-grading-of-age-related-macular-degeneration
#20
Edem Tsikata, Inês Laíns, João Gil, Marco Marques, Kelsey Brown, Tânia Mesquita, Pedro Melo, Maria da Luz Cachulo, Ivana K Kim, Demetrios Vavvas, Joaquim N Murta, John B Miller, Rufino Silva, Joan W Miller, Teresa C Chen, Deeba Husain
PURPOSE: The purpose of this study was to develop an algorithm to automatically standardize the brightness, contrast, and color balance of digital color fundus photographs used to grade AMD and to validate this algorithm by determining the effects of the standardization on image quality and disease grading. METHODS: Seven-field color photographs of patients (>50 years) with any stage of AMD and a control group were acquired at two study sites, with either the Topcon TRC-50DX or Zeiss FF-450 Plus cameras...
March 2017: Translational Vision Science & Technology
keyword
keyword
66935
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"