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https://www.readbyqxmd.com/read/28209985/ig-like-domain-6-of-vcam-1-is-a-potential-therapeutic-target-in-tnf%C3%AE-induced-angiogenesis
#1
Taek-Keun Kim, Chang Sik Park, Hee-Jun Na, Kangseung Lee, Aerin Yoon, Junho Chung, Sukmook Lee
Tumor necrosis factor alpha (TNFα)-induced angiogenesis plays important roles in the progression of various diseases, including cancer, wet age-related macular degeneration, and rheumatoid arthritis. However, the relevance and role of vascular cell adhesion molecule-1 (VCAM-1) in angiogenesis have not yet been clearly elucidated. In this study, VCAM-1 knockdown shows VCAM-1 involvement in TNFα-induced angiogenesis. Through competitive blocking experiments with VCAM-1 Ig-like domain 6 (VCAM-1-D6) protein, we identified VCAM-1-D6 as a key domain regulating TNFα-induced vascular tube formation...
February 17, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/28152206/nursing-actions-that-create-a-sense-of-good-nursing-care-in-patients-with-wet-age-related-macular-degeneration
#2
Åsa Emsfors, Lennart Christensson, Carina Elgán
BACKGROUND: People who suffer from wet age-related macular degeneration (AMD) risk central vision loss. Treatment with anti-VEGF is the only available option at present that preserves vision and no definitive cure currently exists. Patients feel that they are compelled to accept this treatment because they might otherwise become blind. AIM: To identify and describe nursing actions performed by nurses that create a sense of good nursing care in patients with wet (AMD)...
February 2, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28149783/efficacy-and-safety-of-ranibizumab-for-wet-age-related-macular-degeneration-in-chinese-patients
#3
Hui-Jun Qi, Xiao-Xin Li, Jun-Yan Zhang, Ming-Wei Zhao
AIM: To evaluate the clinical efficacy and safety of ranibizumab for wet age-related macular degeneration (wAMD) in Chinese patients and to determine the mean number of injections administered over one year of follow-up. METHODS: This single centre, retrospective observational case series study included data from 121 patients with wAMD (121 eyes) who were diagnosed by indirect ophthalmoscopy, fluorescence fundus angiography (FFA), indocyanine green angiography, and optical coherence tomography...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28132078/targeting-the-tight-junction-protein-zonula-occludens-1-with-the-connexin43-mimetic-peptide-%C3%AE-ct1-reduces-vegf-dependent-rpe-pathophysiology
#4
Elisabeth Obert, Randy Strauss, Carlene Brandon, Christina Grek, Gautam Ghatnekar, Robert Gourdie, Bärbel Rohrer
: A critical target tissue in age-related macular degeneration (AMD) is the retinal pigment epithelium (RPE), which forms the outer blood-retina barrier (BRB). RPE-barrier dysfunction might result from attenuation/disruption of intercellular tight junctions. Zonula occludens-1 (ZO-1) is a major structural protein of intercellular junctions. A connexin43-based peptide mimetic, αCT1, was developed to competitively block interactions at the PDZ2 domain of ZO-1, thereby inhibiting ligands that selectively bind to this domain...
January 28, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28104803/microrna-processing-enzymes-are-essential-for-survival-and-function-of-mature-retinal-pigmented-epithelial-cells-in-mice
#5
Thomas R Sundermeier, Sanae Sakami, Bhubanananda Sahu, Scott J Howell, Songqi Gao, Zhiqian Dong, Marcin Golczak, Akiko Maeda, Krzysztof Palczewski
Age-related macular degeneration (AMD) is a major cause of irreversible vision loss. The neovascular or "wet" form of AMD can be treated to a varying degree with anti-angiogenic drugs, but geographic atrophy (GA) is an advanced stage of the more prevalent "dry" form of AMD for which there is no effective treatment. Development of GA has been linked to loss of the microRNA (miRNA)-processing enzyme DICER1 in the mature retinal pigmented epithelium (RPE). This loss results in the accumulation of toxic transcripts of Alu transposable elements which activate the NLRP3 inflammasome and additional downstream pathways that compromise the integrity and function of the RPE...
January 19, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28096652/erratum-macular-morphology-and-response-to-ranibizumab-treatment-in-patients-with-wet-age-related-macular-degeneration-corrigendum
#6
(no author information available yet)
[This corrects the article on p. 1117 in vol. 10, PMID: 27366051.].
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28046346/su-g-tep3-05-in-vitro-demonstration-of-endothelial-dose-enhancement-due-to-gold-nanoparticles-during-low-voltage-radiotherapy
#7
S Yasmin-Karim, M Moreau, R Kumar, G M Makrigiorgos, J Hanlon, M Arnoldussen, J Hempstead, J Celli, W Ngwa
PURPOSE: Oraya Therapy uses low-voltage, stereotactic, highly targeted X-rays for the treatment of wet age-related macular degeneration (AMD) - offering a new option for patients worldwide. Neovascular endothelial cells play a crucial role in the pathogenesis of this disease. This in-vitro study investigates the potential of gold nanoparticles (GNP) to enhance endothelial cell damage during low-voltage radiotherapy towards potential applications in the treatment of wet-AMD. METHODS: Primary human umbilical cord vein endothelium cells (HUVEC) were treated with 1...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28008223/physician-patient-and-caregiver-experience-of-different-wet-age-related-macular-degeneration-anti-vegf-treatment-regimens-in-japan-a-qualitative-assessment
#8
Tomohiro Iida, Keirei Ishii
PURPOSE: The purpose of this study was to monitor anti-vascular endothelial growth factor (anti-VEGF) treatment regimens for wet age-related macular degeneration (wAMD) in clinical practice and to determine how they impact the physician, patient, and caregiver treatment experience. MATERIALS AND METHODS: This was a qualitative analysis based on semistructured interviews with 20 ophthalmologists who had practiced both pro re nata (PRN) and treat-and-extend (T&E) anti-VEGF regimens for wAMD...
2016: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28008222/evaluation-of-peripheral-fundus-autofluorescence-in-eyes-with-wet-age-related-macular-degeneration
#9
Tetsuyuki Suetsugu, Aki Kato, Munenori Yoshida, Tsutomu Yasukawa, Akiko Nishiwaki, Norio Hasegawa, Hideaki Usui, Yuichiro Ogura
PURPOSE: We aimed to evaluate the prevalence of abnormal peripheral fundus autofluorescence (FAF) in wet age-related macular degeneration (AMD) using wide-field imaging instrument. PATIENTS AND METHODS: A retrospective, case-controlled study involving 66 eyes of 46 Japanese wet AMD patients and 32 eyes of 20 control patients was performed. Wide-field FAF images were obtained for typical AMD (37 eyes/28 patients), polypoidal choroidal vasculopathy (PCV) (22 eyes/20 patients), and retinal angiomatous proliferation (RAP) (seven eyes/four patients)...
2016: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28005632/association-between-the-vitreomacular-interface-and-optical-coherence-tomography-characteristics-in-wet-age-related-macular-degeneration
#10
Mohammed Ashraf, Ahmed Souka, Ron A Adelman
PURPOSE: To study the effect of the vitreomacular interface on various wet age-related macular degeneration (AMD) characteristics including the size and type of choroidal neovascularization (CNV), choroidal thickness, and activity of the CNV. METHODS: This was a retrospective observational cross-sectional study. The study included 43 patients (51 eyes) with treatment-naive age-related macular degeneration. Twenty-six patients with wet AMD in one eye and dry AMD in the other eye were included in a paired-eye analysis...
December 21, 2016: Retina
https://www.readbyqxmd.com/read/28003780/aflibercept-in-refractory-wet-amd-treated-with-ranibizumab-anatomical-and-visual-outcome
#11
Sleiman Abou-Ltaif
PURPOSE: To assess the anatomical outcome of patients with exudative age-related macular degeneration resistant to ranibizumab treated with aflibercept. METHOD: Prospective, interventional, case series, where we treated a group of patients deemed resistant to Ranibizumab after 6 months of persistence of intra- or subretinal fluid despite continuous treatment. RESULTS: The study included 17 patients, 3 males and 14 females. The average males age was 85 (range 83-87), and that of females was 79...
October 2016: Saudi Journal of Ophthalmology: Official Journal of the Saudi Ophthalmological Society
https://www.readbyqxmd.com/read/28003009/hot-topics-in-dry-amd
#12
Raja Narayanan, Baruch D Kuppermann
: substantial progress in the development of new therapies for wet AMD using inhibition of vascular endothelial growth factor (VEGF), the severe visual impairment associated with geographic atrophy in dry AMD remains untreatable. A number of therapeutic options for dry AMD are being developed and are in various stages of clinical trials. METHODS: Review of literature. RESULTS: Enhancers of choroidal blood flow, neuroprotectants and anti-complement factors are the key targets in the research for the treatment of dry AMD...
December 21, 2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28003006/hot-topics-in-dry-amd
#13
Raja Narayanan, Baruch D Kuppermann
: substantial progress in the development of new therapies for wet AMD using inhibition of vascular endothelial growth factor (VEGF), the severe visual impairment associated with geographic atrophy in dry AMD remains untreatable. A number of therapeutic options for dry AMD are being developed and are in various stages of clinical trials. METHODS: Review of literature. RESULTS: Enhancers of choroidal blood flow, neuroprotectants and anti-complement factors are the key targets in the research for the treatment of dry AMD...
December 21, 2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/27974593/lebecetin-a-c-type-lectin-inhibits-choroidal-and-retinal-neovascularization
#14
Fadoua Montassar, Marie Darche, Amandine Blaizot, Sébastien Augustin, Jean-Baptiste Conart, Aurélie Millet, Mohamed Elayeb, José-Alain Sahel, Annabelle Réaux-Le Goazigo, Florian Sennlaub, Naziha Marrakchi, Erij Messadi, Xavier Guillonneau
Angiogenesis is a cause of visual impairment and blindness in the wet form of age-related macular degeneration and in ischemic retinopathies. Current therapies include use of anti-VEGF agents to reduce choroidal neovascularization (CNV) and edema. These treatments are effective in most cases, but spontaneous or acquired resistance to anti-VEGF and possible adverse effects of long-term VEGF inhibition in the retina and choroid highlight a need for additional alternative therapies. Integrins αvβ3 and αvβ5, which regulate endothelial cell proliferation and stabilization, have been implicated in ocular angiogenesis...
December 14, 2016: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/27971617/cost-comparison-of-wet-age-related-macular-degeneration-treatment-with-aflibercept-or-ranibizumab
#15
K Gerasimova, E V Derkach
No abstract text is available yet for this article.
November 2016: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/27966830/homocysteine-and-risk-of-age-related-macular-degeneration-a-systematic-review-and-meta-analysis
#16
REVIEW
Antonio Pinna, Francesco Zaccheddu, Francesco Boscia, Ciriaco Carru, Giuliana Solinas
There is still no agreement on total plasma homocysteine (tHcy) role in age-related macular degeneration (AMD), the leading cause of new blindness in industrialized countries. We performed a systematic review and meta-analysis of the published data on the correlation between tHcy and AMD. MEDLINE/PubMed and ISI Web of Sciences searches were performed according to MOOSE guidelines. Case-control studies were eligible for inclusion. Participants and controls were AMD patients and subjects without AMD. The main outcome measure was wet AMD...
December 14, 2016: Acta Ophthalmologica
https://www.readbyqxmd.com/read/27928444/the-remote-effects-of-intravitreal-anti-vegf-therapy
#17
Balta F, Merticariu M, Taban C, Neculau G, Merticariu A, Muresanu D, Badescu D, Jinga V
Objective: To study the effects of intravitreal anti-Vascular Endothelial Growth Factor (VEGF) therapy with Avastin for wet Age-Related Macular Degeneration (AMD) on Benign Prostatic Hyperplasia (BPH)-related symptoms. Methods: An exploratory trial was conducted from August 1, 2013 to February 1, 2014, that included 14 male patients previously diagnosed with BPH, who were aged between 59 and 69 years. The trial was performed in Bucharest and involved two medical institutions: the Clinical Hospital of Eye Emergencies and the "Prof...
October 2016: Journal of Medicine and Life
https://www.readbyqxmd.com/read/27918307/vegf-regulates-local-inhibitory-complement-proteins-in-the-eye-and-kidney
#18
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...
January 3, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/27913556/how-does-age-related-macular-degeneration-affect-real-world-visual-ability-and-quality-of-life-a-systematic-review
#19
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/27913120/gene-delivery-nanoparticles-to-modulate-angiogenesis
#20
REVIEW
Jayoung Kim, Adam C Mirando, Aleksander S Popel, Jordan J Green
Angiogenesis is naturally balanced by many pro- and anti-angiogenic factors while an imbalance of these factors leads to aberrant angiogenesis, which is closely associated with many diseases. Gene therapy has become a promising strategy for the treatment of such a disordered state through the introduction of exogenous nucleic acids that express or silence the target agents, thereby engineering neovascularization in both directions. Numerous non-viral gene delivery nanoparticles have been investigated towards this goal, but their clinical translation has been hampered by issues associated with safety, delivery efficiency, and therapeutic effect...
November 30, 2016: Advanced Drug Delivery Reviews
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