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Diabetics Retinopathy

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https://read.qxmd.com/read/30763577/ginsenoside-rg1-protects-human-retinal-pigment-epithelial-arpe-19-cells-from-toxicity-of-high-glucose-by-up-regulation-of-mir-26a
#1
Qianqian Shi, Xiuying Chen, Guangli Sun, Lili Wang, Longjiang Cui
AIMS: The therapeutic strategies for diabetic retinopathy (DR) are disappointing. Ginsenoside Rg1 (Rg1) extracted from Panax ginseng can induce glucose uptake and lower oxidative stress. We aimed to explore the effect of Rg1 on DR using human retinal pigment epithelium cells (ARPE-19). MAIN METHODS: ARPE-19 cells were grown in high glucose (HG) to simulate DR. Cell viability, apoptosis, ROS generation and miR-26a level were examined by CCK-8 assay, flow cytometry assay, DCFH-DA staining and RT-qPCR, respectively...
February 11, 2019: Life Sciences
https://read.qxmd.com/read/30762649/acute-macular-and-peripapillary-angiographic-changes-with-intravitreal-injections
#2
Alexander Barash, Toco Y P Chui, Patricia Garcia, Richard B Rosen
PURPOSE: Intravitreal injections acutely and temporarily increase intraocular pressure (IOP), and this may have cumulative long-term effects including an increased risk for glaucoma surgery. This study was designed to measure retinal perfusion density changes on optical coherence tomography (OCT) angiography and OCT thickness alterations associated with acutely increased IOP after intravitreal injections. METHODS: Retrospective observational clinical study of 40 eyes (39 patients) with various retinopathies from October 2016 to June 2017 at a tertiary care retina clinic in NYC...
February 11, 2019: Retina
https://read.qxmd.com/read/30760896/relationship-between-body-fat-and-diabetic-retinopathy-in-patients-with-type-2-diabetes-a-nationwide-survey-in-korea
#3
In Cheol Hwang, Jeong Hun Bae, Joon Mo Kim
PURPOSE: To evaluate the association of body mass index (BMI), waist circumference, and body fat with diabetic retinopathy (DR) in Korean patients with type 2 diabetes. METHODS: Among the 1130 participants 19 years of age or older with type 2 diabetes enrolled in the nationwide survey, a total of 887 participants were included in the analyses after excluding patients with ungradable fundus images. The presence and severity of DR were graded with seven-field fundus photographs...
February 13, 2019: Eye
https://read.qxmd.com/read/30758833/association-of-the-serum-total-cholesterol-to-triglyceride-ratio-with-diabetic-retinopathy-in-chinese-patients-with-type-2-diabetes-a-community-based-study
#4
Yifan Zhong, Song Yue, Jingyang Wu, Peng Guan, Guisen Zhang, Lei Liu, Lei Chen
INTRODUCTION: The relationship of total cholesterol (TC) or triglyceride (TG) to diabetic retinopathy (DR) has proven difficult to determine. In addition, there is no report of any study of the correlation between the TC/TG ratio and DR. This study was therefore undertaken to investigate the relationship between the TC/TG ratio and DR in Chinese adults with type 2 diabetes mellitus. METHODS: A community-based study was conducted from August to October 2014 in Fengyutan, Shenyang, China...
February 13, 2019: Diabetes Therapy: Research, Treatment and Education of Diabetes and related Disorders
https://read.qxmd.com/read/30756407/dimethyl-fumarate-a-two-edged-drug-current-status-and-future-directions
#5
REVIEW
Nathaniel Edward Bennett Saidu, Niloufar Kavian, Karen Leroy, Claus Jacob, Carole Nicco, Frédéric Batteux, Jérôme Alexandre
Dimethyl fumarate (DMF) is a fumaric acid ester registered for the treatment of relapsing-remitting multiple sclerosis (RRMS). It induces protein succination leading to inactivation of cysteine-rich proteins. It was first shown to possess cytoprotective and antioxidant effects in noncancer models, which appeared related to the induction of the nuclear factor erythroid 2 (NF-E2)-related factor 2 (NRF2) pathway. DMF also displays antitumor activity in several cellular and mice models. Recently, we showed that the anticancer mechanism of DMF is dose-dependent and is paradoxically related to the decrease in the nuclear translocation of NRF2...
February 12, 2019: Medicinal Research Reviews
https://read.qxmd.com/read/30755274/diabetic-macular-oedema-and-diode-subthreshold-micropulse-laser-diamonds-study-protocol-for-a-randomised-controlled-trial
#6
Noemi Lois, Evie Gardner, Norman Waugh, Augusto Azuara-Blanco, Hema Mistry, Danny McAuley, Nachiketa Acharya, Tariq M Aslam, Clare Bailey, Victor Chong, Louise Downey, Haralabos Eleftheriadis, Samia Fatum, Sheena George, Faruque Ghanchi, Markus Groppe, Robin Hamilton, Geeta Menon, Ahmed Saad, Sobha Sivaprasad, Marianne Shiew, David H Steel, James Stephen Talks, Catherine Adams, Christina Campbell, Matthew Mills, Mike Clarke
BACKGROUND: In the UK, macular laser is the treatment of choice for people with diabetic macular oedema with central retinal subfield thickness (CST) < 400 μm, as per National Institute for Health and Care Excellence guidelines. It remains unclear whether subthreshold micropulse laser is superior and should replace standard threshold laser for the treatment of eligible patients. METHODS: DIAMONDS is a pragmatic, multicentre, allocation-concealed, randomised, equivalence, double-masked clinical trial that aims to determine the clinical effectiveness and cost-effectiveness of subthreshold micropulse laser compared with standard threshold laser, for the treatment of diabetic macular oedema with CST < 400 μm...
February 12, 2019: Trials
https://read.qxmd.com/read/30746911/diabetic-nephropathy-in-type-2-diabetic-retinopathy-requiring-panretinal-photocoagulation
#7
Minji Ha, Seung Yong Choi, Mirinae Kim, Jong Kyeong Na, Young Hoon Park
PURPOSE: To investigate the risk factors of diabetic nephropathy in patients with diabetic retinopathy requiring panretinal photocoagulation (PRP) and the visual prognosis. METHODS: A retrospective review of electronic medical records was conducted at Seoul St. Mary's Hospital, comprising 103 patients with type 2 diabetes mellitus and diabetic retinopathy who underwent PRP from 1996 to 2005. Patients with type 1 diabetes mellitus, non-diabetic renal disease, non-diabetic retinal disease, visually significant ocular disease, high-risk proliferative diabetic retinopathy, and advanced diabetic retinopathy were excluded...
February 2019: Korean Journal of Ophthalmology: KJO
https://read.qxmd.com/read/30746134/three-patients-with-injection-of-intravitreal-vascular-endothelial-growth-factor-inhibitors-and-subsequent-exacerbation-of-chronic-proteinuria-and-hypertension
#8
Ramy M Hanna, Eduardo A Lopez, Huma Hasnain, Umut Selamet, James Wilson, Peter N Youssef, Nermeen Akladeous, Suphamai Bunnapradist, Michael B Gorin
Vascular endothelial growth factor (VEGF) receptor inhibition is a commonly used tool to prevent vascular proliferation in tumors and retinal diseases. The antiangiogenic effects of these drugs have made them potent adjunct therapies when given systemically for malignancies. They are also useful tools to ameliorate diminishing eyesight in retinopathy. Hypertension and proteinuria have been observed in systemic VEGF inhibitor therapy, with rarer presentations involving nephrotic-range proteinuria due to glomerulopathies...
February 2019: Clinical Kidney Journal
https://read.qxmd.com/read/30744032/an-approach-to-automatic-hard-exudate-detection-in-retina-color-images-by-a-telemedicine-system-based-on-the-d-eye-sensor-and-image-processing-algorithms
#9
Emil Saeed, Maciej Szymkowski, Khalid Saeed, Zofia Mariak
Hard exudates are one of the most characteristic and dangerous signs of diabetic retinopathy. They can be marked during the routine ophthalmological examination and seen in color fundus photographs (i.e., using a fundus camera). The purpose of this paper is to introduce an algorithm that can extract pathological changes (i.e., hard exudates) in diabetic retinopathy. This was a retrospective, nonrandomized study. A total of 100 photos were included in the analysis-50 sick and 50 normal eyes. Small lesions in diabetic retinopathy could be automatically diagnosed by the system with an accuracy of 98%...
February 8, 2019: Sensors
https://read.qxmd.com/read/30742858/changes-in-the-quality-of-diabetes-care-in-japan-between-2007-and-2015-a-repeated-cross-sectional-study-using-claims-data
#10
Hirokazu Tanaka, Takehiro Sugiyama, Noriko Ihana-Sugiyama, Kohjiro Ueki, Yasuki Kobayashi, Mitsuru Ohsugi
AIM: To assess the temporal changes in the quality indicators pertaining to the process measures of diabetes care during a recent decade in Japan. METHODS: A five-fold repeated cross-sectional study was conducted using health insurance claims data provided by the Japan Medical Data Center between April 2006 and March 2016. We identified 46,631 outpatients with antidiabetic medication who regularly visited hospitals or clinics at least every three months. We evaluated the quality indicators pertaining to glycemic control monitoring, lipid profile monitoring, retinopathy screening, nephropathy screening, and appropriate medication choice...
February 8, 2019: Diabetes Research and Clinical Practice
https://read.qxmd.com/read/30741731/longitudinal-changes-in-eyes-with-hydroxychloroquine-retinal-toxicity
#11
Ali M Allahdina, Katherine G Chen, Jason A Alvarez, Wai T Wong, Emily Y Chew, Catherine A Cukras
PURPOSE: To characterize functional and structural changes in hydroxychloroquine (HCQ) retinal toxicity after drug cessation. METHODS: Twenty-two patients (91% female; mean age 58.7 ± 11.4 years; mean duration of HCQ treatment 161.1 ± 90 months; mean dose 5.9 ± 1.9 mg/kg) with detected HCQ retinopathy were monitored for 6 months to 82 months after HCQ cessation with multimodal imaging including spectral domain optical coherence tomography and fundus autofluorescence imaging at 488 nm (standard) and 787 nm (near-infrared autofluorescence)...
February 5, 2019: Retina
https://read.qxmd.com/read/30739905/fangchinoline-ameliorates-diabetic-retinopathy-by-inhibiting-receptor-for-advanced-glycation-end-products-rage-nuclear-factor-kappa-light-chain-enhancer-of-activated-b-cells-nf-%C3%AE%C2%BAb-pathway-in-streptozotocin-stz-induced-diabetic-rats
#12
Qi Wu, Haojie Liu, Ming Zhou
BACKGROUND Diabetic retinopathy (DR) is a macrovascular complication that occurs in diabetic patients. Conventional treatments for the management of DR have many limitations. Thus, the present investigation evaluated the protective effect of fangchinoline against diabetic retinopathy (DR). MATERIAL AND METHODS DR was induced by streptozotocin (STZ; 60 mg/kg; i.p.) and rats were treated with fangchinoline 1, 3, and 10 mg/kg for 16 weeks. DR was confirmed by determining the concentration of advanced glycation end-products (AGEs) and morphology of retinal tissues...
February 11, 2019: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://read.qxmd.com/read/30737674/insights-for-care-the-healthcare-utilisation-and-cost-impact-of-managing-type-2-diabetes-associated-microvascular-complications
#13
David Chapman, Roland Foxcroft, Laura Dale-Harris, Hanno Ronte, Farid Bidgoli, Srikanth Bellary
INTRODUCTION: The increasing prevalence of type 2 diabetes (T2DM) in the UK imposes a significant burden on the National Health Service (NHS). Despite the availability of effective treatments, the loss of glycaemic control over time results in significant comorbidities, including nephropathy, neuropathy and retinopathy. The cost of treating these microvascular complications has not been well documented, and this study aimed to provide an accurate assessment of the healthcare resource utilisation (HCRU) associated with managing T2DM and its complications...
February 8, 2019: Diabetes Therapy: Research, Treatment and Education of Diabetes and related Disorders
https://read.qxmd.com/read/30736075/-comparative-clinical-and-ultrastructural-analysis-of-the-results-from-ranibizumab-and-aflibercept-in-patients-with-pdr
#14
Christina Nicolaeva Vidinova, Pravoslava Tz Gouguchkova, Tzvetomir Dimitrov, Kalin Nicolaev Vidinov, Hristina Nocheva
PURPOSE: Diabetic retinopathy is one of the worst complications of diabetes and can threaten sight. The aim of our study is to compare the clinical outcomes and ultrastructural changes in diabetic retinopathy patients after intravitreal admission of either ranibizumab (Lucentis) or aflibercept (Eylea). METHODS: In our prospective study, 27 patients with PDR were enrolled. They were divided into two groups - 14 PDR patients treated with ranibizumab and 13 PDR patients treated with aflibercept...
February 8, 2019: Klinische Monatsblätter Für Augenheilkunde
https://read.qxmd.com/read/30735169/an-ex-vivo-tissue-culture-model-for-fibrovascular-complications-in-proliferative-diabetic-retinopathy
#15
Erika Gucciardo, Sirpa Loukovaara, Ani Korhonen, Kaisa Lehti
Diabetic retinopathy (DR) is the most common microvascular complication of diabetes and one of the leading causes of blindness in working-age adults. No current animal models of diabetes and oxygen-induced retinopathy develop the full-range progressive changes manifested in human proliferative diabetic retinopathy (PDR). Therefore, understanding of the disease pathogenesis and pathophysiology has relied largely on the use of histological sections and vitreous samples in approaches that only provide steady-state information on the involved pathogenic factors...
January 25, 2019: Journal of Visualized Experiments: JoVE
https://read.qxmd.com/read/30733849/verapamil-attenuated-prediabetic-neuropathy-in-high-fat-diet-fed-mice-through-inhibiting-txnip-mediated-apoptosis-and-inflammation
#16
Lingling Xu, Xiaopu Lin, Meiping Guan, Yanmei Zeng, Yingshan Liu
Diabetic neuropathy (DN) is a common and severe complication of diabetes mellitus. There is still a lack of an effective treatment to DN because of its complex pathogenesis. Thioredoxin-interacting protein (TXNIP), an endogenous inhibitor of thioredoxin, has been shown to be associated with diabetic retinopathy and nephropathy. Herein, we aim to investigate the role of TXNIP in prediabetic neuropathy and therapeutic potential of verapamil which has been shown to inhibit TXNIP expression. The effects of mediating TXNIP on prediabetic neuropathy and its exact mechanism were performed using high-fat diet- (HFD-) induced diabetic mice and palmitate-treated neurons...
2019: Oxidative Medicine and Cellular Longevity
https://read.qxmd.com/read/30733057/brain-spectroscopy-reveals-that-n-acetylaspartate-is-associated-to-peripheral-sensorimotor-neuropathy-in-type-1-diabetes
#17
Tine Maria Hansen, Birgitte Brock, Anne Juhl, Asbjørn Mohr Drewes, Henrik Vorum, Carl Uggerhøj Andersen, Poul Erik Jakobsen, Jesper Karmisholt, Jens Brøndum Frøkjær, Christina Brock
AIMS: Emerging evidence shows, that distal symmetric peripheral neuropathy (DSPN) also involves alterations in the central nervous system. Hence, the aims were to investigate brain metabolites in white matter of adults with diabetes and DSPN, and to compare any cerebral disparities with peripheral nerve characteristics. METHODS: In type 1 diabetes, brain metabolites of 47 adults with confirmed DSPN were compared with 28 matched healthy controls using proton magnetic resonance spectroscopy (H-MRS) in the parietal region including the sensorimotor fiber tracts...
January 4, 2019: Journal of Diabetes and its Complications
https://read.qxmd.com/read/30724539/-highlights-in-the-field-of-ophthalmology
#18
Chiara M Eandi, Thomas J Wolfensberger
Technological advances in ophthalmology are becoming more and more important. New imaging instruments and software analysis allow ultra-wide field visualization of the retina non-invasively. This creates important clinical advantages for an aging population affected by chronic pathologies such as cataract, age related macular degeneration, and diabetic retinopathy. In particular, it will be possible to organize screening programs and an individualized approach and follow up of the patients. While new retinal implants are under development a new drug is now available for the treatment of corneal scars...
February 6, 2019: Revue Médicale Suisse
https://read.qxmd.com/read/30721295/association-of-type-1-diabetes-with-standardized-test-scores-of-danish-schoolchildren
#19
Niels Skipper, Amanda Gaulke, Stine Møller Sildorf, Tine M Eriksen, Nick Fabrin Nielsen, Jannet Svensson
Importance: Type 1 diabetes has been associated with cardiovascular disease and late complications such as retinopathy and nephropathy. However, it is unclear whether there is an association between type 1 diabetes and school performance in children. Objective: To compare standardized reading and mathematics test scores of schoolchildren with type 1 diabetes vs those without diabetes. Design, Setting, and Participants: Population-based retrospective cohort study from January 1, 2011, to December 31, 2015 (end date of follow-up), including Danish public schoolchildren attending grades 2, 3, 4, 6, and 8...
February 5, 2019: JAMA: the Journal of the American Medical Association
https://read.qxmd.com/read/30719863/cutaneous-microangiopathy-in-patients-with-type-2-diabetes-impaired-vascular-endothelial-growth-factor-expression-and-its-correlation-with-neuropathy-retinopathy-and-nephropathy
#20
K Sugimoto, H Murakami, T Deguchi, A Arimura, M Daimon, S Suzuki, T Shimbo, S Yagihashi
AIM: To examine the three-dimensional morphology and vascular endothelial growth factor (VEGF) expression of skin microvasculature in patients with type 2 diabetes in relation to neuropathy, retinopathy and nephropathy. METHODS: This study enrolled 17 individuals with type 2 diabetes and 16 without. Skin sections were double-immunostained for type IV collagen and VEGF-A or protein gene product (PGP)9.5. Projected images from confocal microscopy served for quantification of the occupancy rate of subepidermal type IV collagen-immunoreactive microvascular basement membrane area (OR-T4MBM), subepidermal VEGF-A-immunoreactive area, and the VEGF/T4MBM ratio as well as the PGP9...
February 4, 2019: Journal of Diabetes Investigation
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