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Diabetic retinopathy

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https://www.readbyqxmd.com/read/28444955/serum-uric-acid-levels-are-associated-with-increased-risk-of-newly-developed-diabetic-retinopathy-among-japanese-male-patients-with-type-2-diabetes-a-prospective-cohort-study-diabetes-distress-and-care-registry-at-tenri-ddcrt-13
#1
Hirohito Kuwata, Shintaro Okamura, Yasuaki Hayashino, Satoru Tsujii, Hitoshi Ishii
OBJECTIVE: We assessed the prospective association between baseline serum uric acid (SUA) levels and consequent risk of developing diabetic retinopathy (DR). RESEARCH DESIGN AND METHODS: Data for 1839 type 2 diabetes patients without DR were obtained from a Japanese diabetes registry. A Cox proportional hazards model with time-varying exposure information by sex was used and adjusted for potential confounders to assess the independent correlations between baseline SUA levels and incidence rate of DR...
April 26, 2017: Diabetes/metabolism Research and Reviews
https://www.readbyqxmd.com/read/28444837/prevalence-and-risk-factors-for-diabetic-retinopathy-in-17%C3%A2-152-patients-from-the-island-of-funen-denmark
#2
Morten B Larsen, Jan Erik Henriksen, Jakob Grauslund, Tunde Peto
PURPOSE: This study aims to estimate the prevalence and risk factors of diabetic retinopathy (DR) in patients enrolled in a large Danish quality-assuring database for diabetes: the Funen Diabetes Database (FDDB). METHODS: All patients with type 1 (T1DM) and type 2 DM (T2DM) diabetes mellitus (DM) were included in a cross-sectional study. The level of DR per patient was determined based on the eye with highest level of DR. All ocular and non-ocular data were extracted at the latest examination that corresponded to the most recent DR-grading data...
April 26, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28442700/the-role-of-the-itln1-gene-rs2274907-polymorphism-in-diabetic-foot-patients
#3
Beata Mrozikiewicz-Rakowska, Agnieszka Sobczyk-Kopcioł, Konrad Szymański, Piotr Nehring, Patryk Szatkowski, Joanna Bartkowiak-Wieczorek, Anna Bogacz, Anna Aniszczuk, Wojciech Drygas, Rafał Płoski, Leszek Czupryniak
INTRODUCTION    Diabetic foot (DF) is a devastating complication of diabetes mellitus (DM) that occurs due to neuropathy and/or atherosclerosis of the lower limbs. Omentin (encoded by the ITLN1 gene) has been implicated as a protective factor in vascular complications of diabetes, likely due to its endothelial vasodilator activity and its anti-inflammatory actions. However, susceptibility to DF in terms of ITLN1 gene polymorphisms has not been studied. OBJECTIVES    This study aimed to evaluate the association between ITLN1 gene polymorphism rs2274907and the occurrence of DF in patients with type 2 diabetes mellitus (T2DM)...
April 25, 2017: Polish Archives of Internal Medicine
https://www.readbyqxmd.com/read/28440260/immortal-ozurdex-a-10-month-follow-up-of-an-intralenticular-implant
#4
B Poornachandra, Vinod B M Kumar, Chaitra Jayadev, Subashchandra H Dorelli, Naresh Kumar Yadav, Rohit Shetty
A 78-year-old male who had received a dexamethasone implant (Ozurdex, Allergan, Inc., Irvine, CA, USA) 15 days back for recalcitrant diabetic macular edema in the left eye came to us for a second opinion. On examination, his corrected distance visual acuity was 20/20 in the right eye and 20/40 in the left eye. Early cataractous changes were present in both eyes. The intraocular pressure was within normal limits. The Ozurdex implant was seen lodged in the posterior cortex of the crystalline lens in the left eye, confirmed on anterior segment optical coherence tomography (OCT) and ultrasound biomicroscopy...
March 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28440247/circulating-biomarkers-in-glaucoma-age-related-macular-degeneration-and-diabetic-retinopathy
#5
Madhu Nath, Nabanita Halder, Thirumurthy Velpandian
Biomarkers to predict the altering physiological conditions over the period leading toward the ocular disorders are of major importance in therapeutics. Isolation and validation of the biomarkers specific to ocular diseases are a challenging task. Glaucoma is a neurodegenerative disease of the eye where the correlation of biomarkers in circulating fluid may be made specific for the eye. However, conditions such as wet age-related macular degeneration (AMD) and proliferative diabetic retinopathy (DR), circulating biomarkers might be having some degree of overlap with other conditions like cancer where a common factor such as angiogenesis is involved...
March 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28439523/tsallis-entropy-and-sparse-reconstructive-dictionary-learning-for-exudate-detection-in-diabetic-retinopathy
#6
Vineeta Das, Niladri B Puhan
Computer-assisted automated exudate detection is crucial for large-scale screening of diabetic retinopathy (DR). The motivation of this work is robust and accurate detection of low contrast and isolated hard exudates using fundus imaging. Gabor filtering is first performed to enhance exudate visibility followed by Tsallis entropy thresholding. The obtained candidate exudate pixel map is useful for further removal of falsely detected candidates using sparse-based dictionary learning and classification. Two reconstructive dictionaries are learnt using the intensity, gradient, local energy, and transform domain features extracted from exudate and background patches of the training fundus images...
April 2017: Journal of Medical Imaging
https://www.readbyqxmd.com/read/28439518/diabetes-adult-neurogenesis-and-brain-remodeling-new-insights-from-rodent-and-zebrafish-models
#7
REVIEW
Anne-Claire Dorsemans, David Couret, Anaïs Hoarau, Olivier Meilhac, Christian Lefebvre d'Hellencourt, Nicolas Diotel
The prevalence of diabetes rapidly increased during the last decades in association with important changes in lifestyle. Diabetes and hyperglycemia are well-known for inducing deleterious effects on physiologic processes, increasing for instance cardiovascular diseases, nephropathy, retinopathy and foot ulceration. Interestingly, diabetes also impairs brain morphology and functions such as (1) decreased neurogenesis (proliferation, differentiation and cell survival), (2) decreased brain volumes, (3) increased blood-brain barrier leakage, (4) increased cognitive impairments, as well as (5) increased stroke incidence and worse neurologic outcomes following stroke...
2017: Neurogenesis (Austin, Tex.)
https://www.readbyqxmd.com/read/28438679/a-proposal-for-early-and-personalized-treatment-of-diabetic-retinopathy-based-on-clinical-pathophysiology-and-molecular-phenotyping
#8
Thomas W Gardner, Jeffrey M Sundstrom
This paper presents a new approach to the prevention and treatment of early stage diabetic retinopathy before vision is severely impaired. This approach includes two major steps. The first step is to understand the mechanisms of vision impairment and classify diabetic retinopathy on the basis of pathophysiologic adaptations, rather than on the presence of advanced pathologic lesions, as defined by current clinical practice conventions. The second step is to develop patient-specific molecular diagnoses of diabetic retinopathy so that patients can be treated based on their individual characteristics, a process analogous to the individualized diagnosis and treatment of cancer patients...
April 21, 2017: Vision Research
https://www.readbyqxmd.com/read/28438678/do-photoreceptor-cells-cause-the-development-of-retinal-vascular-disease
#9
Timothy S Kern
The retinal vasculature is affected in a number of clinically important retinopathies, including diabetic retinopathy. There has been a considerable amount of research into the pathogenesis of retinal microvascular diseases, but the potential contribution of the most abundant cell population in the retina, photoreceptor cells, has been largely overlooked. This review summarizes ongoing research suggesting that photoreceptor cells play a critical role in the development of retinal vascular disease in diabetic retinopathy and other retinopathies...
April 21, 2017: Vision Research
https://www.readbyqxmd.com/read/28438542/identification-of-low-micromolar-dual-inhibitors-for-aldose-reductase-alr2-and-poly-adp-ribose-polymerase-parp-1-using-structure-based-design-approach
#10
Navriti Chadha, Om Silakari
Clinical studies have revealed that diabetic retinopathy is a multifactorial disorder. Moreover, studies also suggest that ALR2 and PARP-1 co-occur in retinal cells, making them appropriate targets for the treatment of diabetic retinopathy. To find the dual inhibitors of ALR2 and PARP-1, the structure based design was carried out in parallel for both the target proteins. A series of novel thiazolidine-2,4-dione (TZD) derivatives were therefore rationally designed, synthesized and their in vitro inhibitory activities against ALR2 and PARP-1 were evaluated...
April 13, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28437472/socioeconomic-status-and-type-2-diabetes-complications-among-young-adult-patients-in-japan
#11
Mitsuhiko Funakoshi, Yasushi Azami, Hisashi Matsumoto, Akemi Ikota, Koichi Ito, Hisashi Okimoto, Nobuaki Shimizu, Fumihiro Tsujimura, Hiroshi Fukuda, Chozi Miyagi, Sayaka Osawa, Ryo Osawa, Jiro Miura
OBJECTIVE: To assess the relationship between socioeconomic status (SES) and complications of type 2 diabetes among young adults in Japan. DESIGN: A cross-sectional study. SETTING: Outpatient wards of 96 member hospitals and clinics of the Japan Federation of Democratic Medical Institutions. PARTICIPANTS: A total of 782 outpatients with type 2 diabetes (525 males, 257 females), aged 20-40 years as of March 31, 2012. After excluding 110 participants whose retinopathy diagnosis was in question, 672 participants were analyzed...
2017: PloS One
https://www.readbyqxmd.com/read/28436640/intravitreal-aflibercept-for-patients-with-diabetic-macular-edema-refractory-to-bevacizumab-or-ranibizumab-analysis-of-response-to-aflibercept
#12
Yen-Yi Chen, Pei-Yao Chang, Jia-Kang Wang
PURPOSE: To investigate the short-term efficacy and safety of intravitreal aflibercept in a case series of patients with diabetic macular edema (DME) refractory to ranibizumab or bevacizumab. DESIGN: A retrospective chart review. METHODS: From September 2013 to March 2016, we identified patients with DME who developed resistance to bevacizumab or ranibizumab. Three monthly intravitreal aflibercept injections were administered in refractory cases...
April 10, 2017: Asia-Pacific Journal of Ophthalmology
https://www.readbyqxmd.com/read/28436035/nap-counteracts-hyperglycemia-hypoxia-induced-retinal-pigment-epithelial-barrier-breakdown-through-modulation-of-hifs-and-vegf-expression
#13
Agata Grazia D'Amico, Grazia Maugeri, Daniela Maria Rasà, Valentina La Cognata, Salvatore Saccone, Concetta Federico, Sebastiano Cavallaro, Velia D'Agata
Diabetic macular edema (DME) is a common complication leading to a central vision loss in patients with diabetes. In this eye pathology, the hyperglycaemic/hypoxic microenvironment of pigmented epithelium is responsible for outer blood retinal barrier integrity changes. More recently, we have shown that a small peptide derived from the activity-dependent neuroprotective protein (ADNP), known as NAP, counteracts damages occurring during progression of diabetic retinopathy by modulating HIFs/VEGF pathway. Here, we have investigated for the first time the role of this peptide on outer blood retinal barrier (BRB) integrity exposed to hyperglycaemic/hypoxic insult mimicking a model in vitro of DME...
April 24, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28433754/mir-146a-suppresses-stat3-vegf-pathways-and-reduces-apoptosis-through-il-6-signaling-in-primary-human-retinal-microvascular-endothelial-cells-in-high-glucose-conditions
#14
Eun-Ah Ye, Jena J Steinle
microRNA (miRNA) play critical roles in the pathological processes of diabetic retinopathy, including inflammatory responses, insulin signaling, and angiogenesis. In addition to their regulatory functions on gene expression, miRNA is considered as a potential therapeutic target, as well as a diagnostic marker for many diseases. Our understanding on the pathological mechanisms underlying diabetic retinopathy is still incomplete and additional investigations are required to develop novel therapeutic strategies...
April 19, 2017: Vision Research
https://www.readbyqxmd.com/read/28432895/predictive-ability-of-visit-to-visit-variability-in-hba1c-and-systolic-blood-pressure-for-the-development-of-microalbuminuria-and-retinopathy-in-people-with-type-2-diabetes
#15
Toshiko Takao, Machi Suka, Hiroyuki Yanagisawa, Yutaka Matsuyama, Yasuhiko Iwamoto
AIMS: We explored whether visit-to-visit variability in both glycated hemoglobin (HbA1c) and systolic blood pressure (SBP) simultaneously predicted the development of microalbuminuria and retinopathy, and whether the predictive ability of these measurements changed according to mean HbA1c and SBP levels in people with type 2 diabetes. METHODS: A retrospective observational cohort study was conducted on 243 type 2 diabetes patients with normoalbuminuria and 486 without retinopathy at the first visit and within 1year thereafter...
April 7, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28432319/diabetic-retinopathy-and-clinical-parameters-favoring-the-presence-of-diabetic-nephropathy-could-predict-renal-outcome-in-patients-with-diabetic-kidney-disease
#16
Chi-Chih Hung, Hugo You-Hsien Lin, Daw-Yang Hwang, I-Ching Kuo, Yi-Wen Chiu, Lee-Moay Lim, Shang-Jyh Hwang, Hung-Chun Chen
Diabetes duration, diabetic retinopathy (DR), and a diagnostic model have been proposed as clinical parameters favoring the presence of diabetic nephropathy (DN) in biopsied patients with diabetic kidney disease. DN, compared with non-diabetic renal disease, had poorer renal outcomes. We tested whether these clinical parameters favoring DN are associated with poorer renal outcomes in non-biopsied patients. In this study, 1330 patients with type 2 diabetes and chronic kidney disease stages 1-4 were included and divided according to diabetes mellitus (DM) duration >8 years, DR, or a diagnostic model for DN...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28432087/erratum-diabetic-retinopathy-a-position-statement-by-the-american-diabetes-association-diabetes-care-2017-40-412-418
#17
Sharon D Solomon, Emily Chew, Elia J Duh, Lucia Sobrin, Jennifer K Sun, Brian L VanderBeek, Charles C Wykoff, Thomas W Gardner
No abstract text is available yet for this article.
April 21, 2017: Diabetes Care
https://www.readbyqxmd.com/read/28431867/whole-exome-sequencing-identification-of-novel-candidate-genes-in-patients-with-proliferative-diabetic-retinopathy
#18
Cindy Ung, Angie V Sanchez, Lishuang Shen, Samaneh Davoudi, Tina Ahmadi, Daniel Navarro-Gomez, Ching J Chen, Heather Hancock, Alan Penman, Suzanne Hoadley, Mark Consugar, Carlos Restrepo, Vinay A Shah, Joseph F Arboleda-Velasquez, Lucia Sobrin, Xiaowu Gai, Leo A Kim
Rare or novel gene variants in patients with proliferative diabetic retinopathy may contribute to disease development. We performed whole exome sequencing (WES) on patients at the phenotypic extremes of diabetic retinal complications: 57 patients diagnosed with proliferativediabetic retinopathy (PDR) as cases and 13 patients with no diabetic retinopathy despite at least 10 years of type 2 diabetes as controls. Thirty-one out of the 57 cases and all 13 controls were from the African American Proliferative Diabetic Retinopathy Study (AA)...
April 18, 2017: Vision Research
https://www.readbyqxmd.com/read/28430872/optimal-screening-schedules-for-disease-progression-with-application-to-diabetic-retinopathy
#19
Ionut Bebu, John M Lachin
Clinical management of chronic diseases requires periodic evaluations. Subjects transition between various levels of severity of a disease over time, one of which may trigger an intervention that requires treatment. For example, in diabetic retinopathy, patients with type 1 diabetes are evaluated yearly for either the onset of proliferative diabetic retinopathy (PDR) or clinically significant macular edema (CSME) that would require immediate treatment to preserve vision. Herein, we investigate methods for the selection of personalized cost-effective screening schedules and compare them with a fixed visit schedule (e...
April 20, 2017: Biostatistics
https://www.readbyqxmd.com/read/28430372/retinal-nerve-fibre-layer-thickness-is-reduced-in-metabolic-syndrome
#20
R Zarei, P Anvari, Y Eslami, G Fakhraie, M Mohammadi, A Jamali, M Afarideh, A Ghajar, S Heydarzade, A Esteghamati, S Moghimi
AIMS: To investigate retinal nerve fibre layer (RNFL) thickness in people with metabolic syndrome (MetS) and healthy controls. METHODS: A cross-sectional study was performed from March 2014 to January 2016. All participants underwent anthropometric and serological biochemical measurements, ophthalmological examination, and spectral-domain optical coherence tomography (SD-OCT). Individuals with elevated intraocular pressure, glaucoma, diabetic retinopathy and other ocular disorders were excluded...
April 21, 2017: Diabetic Medicine: a Journal of the British Diabetic Association
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