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https://www.readbyqxmd.com/read/29333833/-infrequent-mutation-in-renal-coloboma-syndrome-case-report-and-review
#1
Ignacio Ruiz Del Olmo Izuzquiza, Yolanda Romero Salas, Ana Rodríguez Valle, Inmaculada González Viejo, María L Justa Roldán
Renal-coloboma syndrome is an autosomal dominant disease characterized by renal hypodysplasia and coloboma. A case of a 12-year-old girl with chronic kidney disease, bilateral optic nerve colobomas and an exceptional PAX-2 gene mutation is presented. Diagnosed in prenatal scans with bilateral renal hypoplasia, she presented clinical and laboratory findings of chronic kidney disease at 5 days of life. Following tests showed grade II bilateral vesicoureteral reflux spontaneously solved, maintained non nephrotic proteinuria controlled with enalapril and bilateral colobomas with left macular atrophy...
February 1, 2018: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/29329580/evidence-for-the-activation-of-pyroptotic-and-apoptotic-pathways-in-rpe-cells-associated-with-nlrp3-inflammasome-in-the-rodent-eye
#2
Jiangyuan Gao, Jing Z Cui, Eleanor To, Sijia Cao, Joanne A Matsubara
BACKGROUND: Age-related macular degeneration (AMD) is a devastating eye disease causing irreversible vision loss in the elderly. Retinal pigment epithelium (RPE), the primary cell type that is afflicted in AMD, undergoes programmed cell death in the late stages of the disease. However, the exact mechanisms for RPE degeneration in AMD are still unresolved. The prevailing theories consider that each cell death pathway works independently and without regulation of each other. Building upon our previous work in which we induced a short burst of inflammasome activity in vivo, we now investigate the effects of prolonged inflammasome activity on RPE cell death mechanisms in rats...
January 12, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29327033/disorganization-of-inner-retina-and-outer-retinal-morphology-in-diabetic-macular-edema
#3
Radha Das, Gareth Spence, Ruth E Hogg, Michael Stevenson, Usha Chakravarthy
Importance: In diabetic macular edema (DME), identification of baseline markers on spectral-domain optical coherence tomography (SD-OCT) and their association with severity of diabetic retinopathy (DR) might aid in disease management and the design of future trials. Objective: To examine associations between DR severity, retinal morphology on SD-OCT, and visual acuity in participants with DME. Design, Setting, and Participants: This cross-sectional observational case series was conducted at a single tertiary care referral center...
January 11, 2018: JAMA Ophthalmology
https://www.readbyqxmd.com/read/29327028/transition-metals-and-trace-elements-in-the-retinal-pigment-epithelium-and-choroid-correlative-ultrastructural-and-chemical-analysis-by-analytical-electron-microscopy-and-nano-secondary-ion-mass-spectrometry
#4
Antje Biesemeier, Oliver Eibl, Santhana Eswara, Jean-Nicolas Audinot, Tom Wirtz, Ulrich Schraermeyer
Understanding the localisation and abundance of structural elements, trace elements and especially transition metals like Cu and Zn in ocular tissue sections is important for physiology, and also for the characterisation of diseases related to oxidative stress like age-related macular degeneration. Transition metal abundances were investigated in an aged donor eye by nano-secondary ion mass spectrometry (nano-SIMS) elemental mapping using Cs+ and O- primary ions, respectively, and correlated to their respective mole fractions investigated by analytical electron microscopy (AEM)...
January 12, 2018: Metallomics: Integrated Biometal Science
https://www.readbyqxmd.com/read/29326849/spectral-domain-optical-coherence-tomography-findings-in-carotid-artery-disease
#5
Akın Çakır, Eyüp Düzgün, Serkan Demir, Yavuz Çakır, Melih Hamdi Ünal
Objectives: To evaluate the effect of carotid artery disease on retinal morphology by means of spectral domain optical coherence tomography (SD-OCT). Materials and Methods: We examined 23 eyes with internal carotid artery (ICA) stenosis and 24 age- and gender-matched healthy eyes as a control group in this prospective, case-control study. Compherensive ophthalmic examination and SD-OCT scan were performed to all the patients. The average RNFL and macular thicknesses (MT) in the nine macular ETDRS areas were the major OCT measurements for our study...
December 2017: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/29325389/-development-of-en-face-optical-coherence-tomography-and-its-application-in-ocular-fundus-diseases
#6
Y Zhou, M Wang
Optical coherence tomography (OCT) is able to obtain the cross-sectional image of the fundus noninvasively and quickly. The cross-sectional image in vivo almost matches the histological section of the retina. OCT has become the most important imaging tool in ophthalmology. Based on the latest OCT technology, en face OCT is a new imaging technique that reveals the structure of retinal and choroidal sections approximately paralleled to the retina surface. Compared to the conventional OCT, en face OCT provides more comprehensive information and makes more accurate diagnosis and assessment of the prognosis...
December 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/29325388/-the-research-advances-of-microrna-184-and-related-ocular-diseases
#7
R R Zong, Y P Zhou, Z G Liu
microRNA-184 (miR-184) is a small, non-coding, endogenic RNA molecule of 22 nucleotides in length. It is a highly conserved sequence throughout many different species. Multiple studies have demonstrated that miR-184 is an important factor in regulating gene expression at the post-transcriptional level. miR-184 plays vital roles in many biological processes, including development and differentiation in many tissues and organs. Meanwhile, the research on the physiological and pathological role of miR-184 in eyes draws more and more attention lately...
December 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/29325383/-clinical-features-and-surgical-outcomes-of-acute-acquired-comitant-esotropia
#8
M Y Ren, Q Wang, L H Wang
Objective: To investigate the clinical features and surgical outcomes of patients with acute acquired concomitant esotropia (AACE) type Ⅱ(AACE-Ⅱ) and type Ⅲ (AACE-Ⅲ). Methods: Retrospective case series analysis. Medical records of consecutive patients who underwent strabismus surgery for AACE-Ⅱ and AACE-Ⅲ in Shandong Provincial Hospital affiliated to Shandong University between January 2011 and June 2016 with a minimum follow-up time of 3 months were collected. Each patient underwent a complete ophthalmological and orthoptic examination to exclude esotropia resulting from other reasons, and a systemic assessment to exclude AACE related to intracranial and systemic diseases...
December 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/29322247/comparison-of-the-neuroinflammatory-responses-to-selective-retina-therapy-and-continuous-wave-laser-photocoagulation-in-mouse-eyes
#9
Jung Woo Han, Juhye Choi, Young Shin Kim, Jina Kim, Ralf Brinkmann, Jungmook Lyu, Tae Kwann Park
PURPOSE: This study investigated microglia and inflammatory cell responses after selective retina therapy (SRT) with microsecond-pulsed laser in comparison to continuous-wave laser photocoagulation (cwPC). METHODS: Healthy C57BL/6 J mice were treated with either a train of short pulses (SRT; 527-nm, Q-switched, 1.7-μs pulse) or a conventional thermal continuous-wave (532-nm, 100-ms pulse duration) laser. The mice were sacrificed and their eyes were enucleated 1, 3, 7, and 14 days after both laser treatments...
January 10, 2018: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/29318448/elevated-serum-igf-1-level-enhances-retinal-and-choroidal-thickness-in-untreated-acromegaly-patients
#10
Xia Zhang, Jin Ma, Yuhan Wang, Lüe Li, Lu Gao, Xiaopeng Guo, Bing Xing, Yong Zhong
PURPOSE: 1) To compare the retinal, choroidal, Haller's layer, and Sattler's/choriocapillaris thicknesses of untreated acromegaly patients without chiasm compression or diabetes mellitus and healthy controls. 2) To evaluate the correlations of retinal and choroidal thicknesses with serum growth hormone (GH) and insulin-like growth factor 1 (IGF) burden. METHODS: This prospective, case-control study included 27 untreated acromegaly patients and 27 sex-matched and age-matched controls...
January 10, 2018: Endocrine
https://www.readbyqxmd.com/read/29318442/an-exudate-detection-method-for-diagnosis-risk-of-diabetic-macular-edema-in-retinal-images-using-feature-based-and-supervised-classification
#11
D Marin, M E Gegundez-Arias, B Ponte, F Alvarez, J Garrido, C Ortega, M J Vasallo, J M Bravo
The present paper aims at presenting the methodology and first results of a detection system of risk of diabetic macular edema (DME) in fundus images. The system is based on the detection of retinal exudates (Ex), whose presence in the image is clinically used for an early diagnosis of the disease. To do so, the system applies digital image processing algorithms to the retinal image in order to obtain a set of candidate regions to be Ex, which are validated by means of feature extraction and supervised classification techniques...
January 10, 2018: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/29318383/optical-coherence-tomography-angiography-a-review-of-current-and-future-clinical-applications
#12
REVIEW
Marcus Ang, Anna C S Tan, Chui Ming Gemmy Cheung, Pearse A Keane, Rosa Dolz-Marco, Chelvin C A Sng, Leopold Schmetterer
Optical coherence tomography angiography is a non-invasive imaging technique that now allows for simultaneous in vivo imaging of the morphology as well as the vasculature in the eye. In this review, we provide an update on the existing clinical applications of optical coherence tomography angiography technology from the anterior to posterior segment of the eye. We also discuss the limitations of optical coherence tomography angiography technology, as well as the caveats to the interpretation of images. As current optical coherence tomography angiography systems are optimized for the retina, most studies have focused on interpreting images from conditions such as age related macular degeneration and retinal vascular diseases...
January 9, 2018: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/29317400/two-year-outcomes-of-intravitreal-ziv-aflibercept
#13
Ahmad M Mansour, Mohammed Ashraf, Abdulrazzak Charbaji, Muhammad H Younis, Ahmed A Souka, Avantika Dogra, Hana A Mansour, Jay Chhablani
AIM: To assess the two-year outcome of intravitreal ziv-aflibercept (IVZ) in eyes with macular diseases. METHODS: Consecutive subjects with various macular diseases that received six or more of 0.05 mL IVZ (1.25 mg) injections with at least 1 year follow-up were included. Outcome measures were best-corrected visual acuity (BCVA) (logarithm of the minimum angle of resolution) and central macular thickness (CMT) on spectral domain optical coherence tomography...
January 9, 2018: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/29316389/naphthalocyanine-as-a-new-photothermal-actuator-for-lipid-based-drug-delivery-systems
#14
Joanne D Du, Linda Hong, Angel Tan, Ben J Boyd
One approach to address the substantial global burden of ocular diseases such as aged related macular degeneration is using light-activated drug delivery to obviate the need for highly invasive and frequent need for costly intravitreal injections. To enable such systems, new light responsive materials are required. This communication reports the use of silicon 2,3-naphthalocyanine bis(trihexylsilyloxide) (SiNC), a small molecule photosensitizer as a new actuator for triggering light responsive lipid-based drug delivery systems...
January 9, 2018: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/29311618/choroidal-vascularity-index-in-type-2-diabetes-analyzed-by-swept-source-optical-coherence-tomography
#15
Mirinae Kim, Min Ji Ha, Seung Yong Choi, Young-Hoon Park
The relationships between changes in choroidal vasculature and the severity of diabetic retinopathy (DR) remain unclear. We assessed choroidal changes in diabetic patients by measuring choroidal vascularity index (CVI) in conjunction with DR stage. In this study, patients with diabetes and healthy controls were retrospectively analyzed. Subjects were divided into seven groups as follows: Healthy controls, no DR, mild/moderate non-proliferative DR (NPDR), severe NPDR, proliferative DR (PDR), panretinal photocoagulation-treated DR, and clinically significant macular edema...
January 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29311565/spontaneous-and-training-induced-cortical-plasticity-in-md-patients-hints-from-lateral-masking
#16
Marcello Maniglia, Vincent Soler, Benoit Cottereau, Yves Trotter
Macular degeneration (MD) affects central vision and represents the leading cause of visual diseases in elderly population worldwide. As a consequence of central vision loss, MD patients develop a preferred retinal locus (PRL), an eccentric fixation point that replaces the fovea. Here, our aim was to determine whether and to what extent spontaneous plasticity takes place in the cortical regions formerly responding to central vision and whether a visual training based on perceptual learning (PL) can boost this plasticity within the PRL area...
January 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29311295/cfh-and-arms2-genetic-risk-determines-progression-to-neovascular-age-related-macular-degeneration-after-antioxidant-and-zinc-supplementation
#17
Demetrios G Vavvas, Kent W Small, Carl C Awh, Brent W Zanke, Robert J Tibshirani, Rafal Kustra
We evaluated the influence of an antioxidant and zinc nutritional supplement [the Age-Related Eye Disease Study (AREDS) formulation] on delaying or preventing progression to neovascular AMD (NV) in persons with age-related macular degeneration (AMD). AREDS subjects (n = 802) with category 3 or 4 AMD at baseline who had been treated with placebo or the AREDS formulation were evaluated for differences in the risk of progression to NV as a function of complement factor H (CFH) and age-related maculopathy susceptibility 2 (ARMS2) genotype groups...
January 8, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29305324/real-world-outcomes-in-patients-with-neovascular-age-related-macular-degeneration-treated-with-intravitreal-vascular-endothelial-growth-factor-inhibitors
#18
REVIEW
Hemal Mehta, Adnan Tufail, Vincent Daien, Aaron Lee, Vuong Nguyen, Mehmet Ozturk, Daniel Barthelmes, Mark C Gillies
Clinical trials identified intravitreal vascular endothelial growth factor inhibitors (anti-VEGF agents) have the potential to stabilise or even improve visual acuity outcomes in neovascular age-related macular degeneration (AMD), a sight-threatening disease. Real-world evidence allows us to assess whether results from randomised controlled trials can be applied to the general population. We describe the development of global registries, in particular the Fight Retinal Blindness! registry that originated in Australia, the United Kingdom AMD Electronic Medical Records User Group and the IRIS registry in the USA...
January 2, 2018: Progress in Retinal and Eye Research
https://www.readbyqxmd.com/read/29302837/up-regulated-pro-inflammatory-micrornas-mirnas-in-alzheimer-s-disease-ad-and-age-related-macular-degeneration-amd
#19
Aileen I Pogue, Walter J Lukiw
Alzheimer's disease (AD) of the brain neocortex and age-related macular degeneration (AMD) of the retina are two complex neurodegenerative disorders, which (i) involve the progressive dysregulation and deterioration of multiple neurobiological signaling pathways, (ii) exhibit the temporal accumulation of pro-inflammatory lesions including the amyloid beta (Aβ) peptide-containing senile plaques of AD and the drusen of AMD, and (iii) culminate in an insidious inflammatory neurodegeneration ending, respectively, in neural cell atrophy and death and progressive loss of cognition and central visual function...
January 4, 2018: Cellular and Molecular Neurobiology
https://www.readbyqxmd.com/read/29302323/the-national-and-subnational-prevalence-and-burden-of-age-related-macular-degeneration-in-china
#20
Peige Song, Yuhang Du, Kit Yee Chan, Evropi Theodoratou, Igor Rudan
Background: Age-related macular degeneration (AMD) is the third most common cause of blindness, and the fourth leading cause of visual impairment worldwide, but little is known about the burden of this disease in the most populous country-China. This study provides the first comprehensive estimates of the prevalence and burden of AMD in China from 1990 to 2015, with projections till 2050. Methods: In this study, a systematic review and meta-analysis was conducted to estimate the prevalence of AMD in China...
December 2017: Journal of Global Health
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