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Dry eye disease

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https://www.readbyqxmd.com/read/29235746/clinical-problem-solving-a-tobacco-merchant-who-can-t-spit
#1
Sandra Benizri, Nancy Agmon-Levin, Noam D Kitrey, Dan Carter, Elinor Goshen, Yehonathan Sharabi
A 47 year old man presented with a combination of dry mouth and lightheadedness while standing. His medical background was unremarkable except for cigarette smoking and hyperlipidemia. Sjögren's syndrome was ruled out, and he was referred for evaluation of orthostatic hypotension, which by then included syncopal episodes and injuries. Additional symptoms included dry eyes, constipation, reduced sweating, and erectile dysfunction. After excluding medications and structural cardiac abnormalities as causes of orthostatic hypotension, a clinical autonomic evaluation was performed...
December 2017: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/29235530/tri-microspheres-prevent-key-signs-of-dry-eye-disease-in-a-murine-inflammatory-model
#2
Michelle L Ratay, Stephen C Balmert, Abhinav P Acharya, Ashlee C Greene, Thiagarajan Meyyappan, Steven R Little
Dry eye disease (DED) is a highly prevalent, ocular disorder characterized by an abnormal tear film and ocular surface. Recent experimental data has suggested that the underlying pathology of DED involves inflammation of the lacrimal functional unit (LFU), comprising the cornea, conjunctiva, lacrimal gland and interconnecting innervation. This inflammation of the LFU ultimately results in tissue deterioration and the symptoms of DED. Moreover, an increase of pathogenic lymphocyte infiltration and the secretion of pro-inflammatory cytokines are involved in the propagation of DED-associated inflammation...
December 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29234088/tear-proteome-analysis-in-ocular-surface-diseases-using-label-free-lc-ms-ms-and-multiplexed-microarray-biomarker-validation
#3
Javier Soria, Arantxa Acera, Jesús Merayo-LLoves, Juan A Durán, Nerea González, Sandra Rodriguez, Nikitas Bistolas, Soeren Schumacher, Frank F Bier, Harald Peter, Walter Stöcklein, Tatiana Suárez
We analyzed the tear film proteome of patients with dry eye (DE), meibomian gland dysfunction (MGD), and normal volunteers (CT). Tear samples were collected from 70 individuals. Of these, 37 samples were analyzed using spectral-counting-based LC-MS/MS label-free quantitation, and 33 samples were evaluated in the validation of candidate biomarkers employing customized antibody microarray assays. Comparative analysis of tear protein profiles revealed differences in the expression levels of 26 proteins, including protein S100A6, annexin A1, cystatin-S, thioredoxin, phospholipase A2, antileukoproteinase, and lactoperoxidase...
December 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29223649/novel-liposome-based-and-in-situ-gelling-artificial-tear-formulation-for-dry-eye-disease-treatment
#4
Duygu Acar, Irene Teresa Molina-Martínez, Miguel Gómez-Ballesteros, Manuel Guzmán-Navarro, José Manuel Benítez-Del-Castillo, Rocío Herrero-Vanrell
PURPOSE: Artificial tears are widely used in the treatment of dry eye disease, although current formulations do not closely resemble natural tears. The purpose of this study was the design and characterization of a novel in situ gelling artificial tear formulation, containing both lipid and aqueous components, in order to resemble natural tears and replenish the tear film. METHODS: Liposomes, containing phosphatidylcholine, cholesterol, vitamins A and E, were prepared by the thin-film hydration method...
December 6, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/29216806/an-industry-update-the-latest-developments-in-therapeutic-delivery
#5
Iain Simpson
This industry update covers the period from 1 September through 30 September 2017, and is based on information sourced from company press releases, scientific literature, patents and various news websites. The month saw the US FDA approve three new molecular entities, Aliqopa (copanlisib dihydrochloride) (Bayer Healthcare); Solosec (secnidazole) (Symbiomix Therapeutics) and Verzenio (abemaciclib) (Eli Lilly and Co). Intarcia Therapeutics Inc. has its application for approval of a novel drug device combination of exenatide for the treatment of diabetes rejected by FDA but said that it will work to address the concerns and refile the application...
January 2018: Therapeutic Delivery
https://www.readbyqxmd.com/read/29214311/fingolimod-suppresses-a-cascade-of-core-vicious-cycle-in-dry-eye-nod-mouse-model-involvement-of-sphingosine-1-phosphate-receptors-in-infiltrating-leukocytes
#6
Weibao Xiao, Shuhao Fu, Kang Xu, Ronghua Feng, Fei Sun, Wen Ye
Purpose: The purpose of this study was to evaluate the inhibitory mechanism of fingolimod and the involvement of sphingosine-1-phosphate receptors (S1PRs) and cytokines-matrix metalloproteinases (MMPs)/MAP kinases (MAPKs) signaling in a dry eye disease (DED) mouse model. Methods: Sixty-four male NOD mice (DED model) and 16 age-matched BALB/c mice were used. In a preliminary experiment, 16 NOD mice were randomly divided into a positive control group and fingolimod-treated groups, with 8 BALB/c mice serving as wild-type control...
December 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29214310/tear-levels-of-insulin-like-growth-factor-binding-protein-3-correlate-with-subbasal-nerve-plexus-changes-in-patients-with-type-2-diabetes-mellitus
#7
Whitney L Stuard, Rossella Titone, Danielle M Robertson
Purpose: This study investigated the expression of insulin-like growth factor binding protein-3 (IGFBP-3) in basal tears of patients with type 2 diabetes mellitus compared to nondiabetic controls; and correlated tear levels of IGFBP-3 with morphologic changes in the subbasal nerve plexus and density of basal corneal epithelial cells. Methods: This was a single visit, cross-sectional study. Diabetic and control subjects were matched for age, sex, smoking status, and body mass index...
December 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29212034/gadd34-function-in-protein-trafficking-promotes-adaptation-to-hyperosmotic-stress-in-human-corneal-cells
#8
Dawid Krokowski, Bo-Jhih Guan, Jing Wu, Yuke Zheng, Padmanabhan P Pattabiraman, Raul Jobava, Xing-Huang Gao, Xiao-Jing Di, Martin D Snider, Ting-Wei Mu, Shijie Liu, Brian Storrie, Eric Pearlman, Anna Blumental-Perry, Maria Hatzoglou
GADD34, a stress-induced regulatory subunit of the phosphatase PP1, is known to function in hyperosmotic stress through its well-known role in the integrated stress response (ISR) pathway. Adaptation to hyperosmotic stress is important for the health of corneal epithelial cells exposed to changes in extracellular osmolarity, with maladaptation leading to dry eye syndrome. This adaptation includes induction of SNAT2, an endoplasmic reticulum (ER)-Golgi-processed protein, which helps to reverse the stress-induced loss of cell volume and promote homeostasis through amino acid uptake...
December 5, 2017: Cell Reports
https://www.readbyqxmd.com/read/29209436/the-potential-relationship-between-flammer-and-sj%C3%A3-gren-syndromes-the-chime-of-dysfunction
#9
REVIEW
Babak Baban, Olga Golubnitschaja
Flammer syndrome (FS) is a term to blanket a cluster of vascular and nonvascular signs and symptoms linked to primary vascular dysregulation (PVD), increased sensitivity to various stimuli (stress, drugs, etc.) and altered sense regulation such as pain, smell and thirst perception. On one hand, disruption of blood barrier and homeostasis of the body are the main targets of vascular irregularity. Inflammation and immune disorders including autoimmunity are considered as a consequence of the abnormal vascular regulation processes...
December 2017: EPMA Journal
https://www.readbyqxmd.com/read/29207448/are-serum-vitamin-d-levels-associated-with-dry-eye-disease-results-from-the-study-group-for-environmental-eye-disease
#10
Da-Hye Jeon, Hyungseon Yeom, Jaewon Yang, Jong Suk Song, Hyung Keun Lee, Hyeon Chang Kim
Objectives: Dry eye disease (DED) is an increasingly important public health problem in Korea. Previous studies conducted in Korea have reported inconsistent results regarding the protective effects of vitamin D on DED, and these discrepancies may be related to the relatively simple questionnaire that has been used. Thus, we evaluated the association of serum vitamin D levels with DED using the ocular surface disease index (OSDI). Methods: The present study evaluated data from participants in the Study Group for Environmental Eye Disease (2014-2015)...
November 2017: Journal of Preventive Medicine and Public Health, Yebang Ŭihakhoe Chi
https://www.readbyqxmd.com/read/29205873/evaluation-of-dry-eye-using-anterior-segment-optical-coherence-tomography-in-patients-with-end-stage-renal-disease-undergoing-hemodialysis
#11
Öznur Kal, Mahmut Oğuz Ulusoy, Ali Kal, Gülşah Tanriaşki, Şefik Cezairlioğlu
The aim of the present study was to evaluate dry eye parameters with conventional tests and tear meniscus with Anterior Segment Optical Coherence Tomography (AS-OCT) in patients with end-stage renal disease (ESRD). Thirty-eight ESRD patients undergoing hemodialysis, and 40 healthy individuals were enrolled. An ocular surface disease index questionnaire (OSDI) was administered. Before conventional dry eye tests, tear meniscus were evaluated using AS-OCT. After a complete ocular examination, Schirmer and break-up time (BUT) tests were performed and probable corneal staining was investigated...
December 4, 2017: Therapeutic Apheresis and Dialysis
https://www.readbyqxmd.com/read/29204644/topical-application-of-mizoribine-suppresses-cd4-t-cell-mediated-pathogenesis-in-murine-dry-eye
#12
Xiaobo Zhang, Xiang Lin, Zhaolin Liu, Yang Wu, Yiran Yang, Weijie Ouyang, Wei Li, Zuguo Liu
Purpose: We investigate the effect of topical application of mizoribine (MZR) eye drops on CD4+ T-cell-mediated immunity and epithelial damage in ocular surface of dry eye disease (DED). Methods: Topical application of MZR or vehicle eye drops was performed in mice subjected to desiccating stress (DS). The phenol red cotton test was used to measure tear production, and Oregon-green-dextran (OGD) staining was performed to assess corneal epithelial barrier function...
December 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29200970/systematic-review-of-randomized-controlled-trials-in-the-treatment-of-dry-eye-disease-in-sjogren-syndrome
#13
REVIEW
Kendrick Co Shih, Christie Nicole Lun, Vishal Jhanji, Bernard Yu-Hor Thong, Louis Tong
Primary Sjögren's syndrome is an autoimmune disease characterized by dry eye and dry mouth. We systematically reviewed all the randomized controlled clinical trials published in the last 15 years that included ocular outcomes. We found 22 trials involving 9 topical, 10 oral, 2 intravenous and 1 subcutaneous modalities of treatment. Fluoromethalone eye drops over 8 weeks were more effective than topical cyclosporine in the treatment of dry eye symptoms and signs; similarly, indomethacin eye drops over 1 month were more efficacious than diclofenac eye drops...
2017: Journal of Inflammation
https://www.readbyqxmd.com/read/29189737/novel-artificial-tears-containing-cross-linked-hyaluronic-acid-an-in-vitro-re-epithelialization-study
#14
Arianna Fallacara, Silvia Vertuani, Giacomo Panozzo, Alessandra Pecorelli, Giuseppe Valacchi, Stefano Manfredini
Dry eye syndrome is a common disease which can damage the corneal epithelium. It is treated with eye drops to stimulate tear production and hydrate the corneal surface. The most prescribed artificial tear remedies contain hyaluronic acid (HA), which enhances epithelial wound healing, improving tissue health. To the best of our knowledge, only a few recent studies have investigated cross-linked HA (HA-CL) in eye drops for human applications. This work consists in an in vitro evaluation of the re-epithelialization ability of two different preparations containing a recently synthetized HA cross-linked with urea: 0...
November 30, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29185841/inhibitory-effect-of-amitriptyline-on-the-impulse-activity-of-cold-thermoreceptor-terminals-of-intact-and-tear-deficient-guinea-pig-corneas
#15
Takayoshi Masuoka, Juana Gallar, Carlos Belmonte
PURPOSE: Chronic dryness of the ocular surface evokes sensitization of corneal cold-sensitive neurons through an increase of sodium currents and a decrease of potassium currents, leading to the unpleasant dryness and pain sensations typical of dry eye disease. Here, we explored the effects of amitriptyline, a voltage-gated Na+ channel blocker used for the treatment of depression and chronic pain, on nerve terminal impulse (NTI) activity of cold-sensitive nerve terminals recorded in intact and tear-deficient guinea pig corneas...
November 29, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29184385/aflibercept-treatment-for-neovascular-amd-beyond-the-first-year-consensus-recommendations-by-a-uk-expert-roundtable-panel-2017-update
#16
EDITORIAL
Praveen J Patel, Helen Devonport, Sobha Sivaprasad, Adam H Ross, Gavin Walters, Richard P Gale, Andrew J Lotery, Sajjad Mahmood, James S Talks, Jackie Napier
National recommendations on continued administration of aflibercept solution for injection after the first year of treatment for neovascular age-related macular degeneration (nAMD) have been developed by an expert panel of UK retina specialists, based on clinician experience and treatment outcomes seen in year 2. The 2017 update reiterates that the treatment goal is to maintain or improve the macular structural and functional gains achieved in year 1 while attempting to reduce or minimize the treatment burden, recognizing the need for ongoing treatment...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/29183834/contact-lens-to-measure-individual-ion-concentrations-in-tears-and-applications-to-dry-eye-disease
#17
Ramachandram Badugu, Bennie H Jeng, E Albert Reece, Joseph R Lakowicz
Dry eye disease (DED) affects millions of individuals in the United States and worldwide, and the incidence is increasing with an aging population. There is widespread agreement that the measurement of total tear osmolarity is the most reliable test, but this procedure provides only the total ionic strength and does not provide the concentration of each ionic species in tears. Here, we describe an approach to determine the individual ion concentrations in tears using modern silicone hydrogel (SiHG) contact lenses...
November 25, 2017: Analytical Biochemistry
https://www.readbyqxmd.com/read/29182030/biomarkers-of-ocular-surface-disease-using-impression-cytology
#18
Suzanne Hagan
Impression cytology (IC) is a technique which permits the retrieval of the outermost layer of ocular surface cells via the use of various types of filters. It is a minimally invasive method of evaluating human conjunctival epithelial cell morphology in the diagnosis of dry eye disease, a common and distressing disorder associated with ageing, contact lens wear, autoimmune disorders and refractive (LASIK) surgery. IC may also be utilized in the diagnosis of other ocular diseases, such as keratoconus and thyroid orbitopathy...
November 28, 2017: Biomarkers in Medicine
https://www.readbyqxmd.com/read/29181309/effect-of-mistletoe-combined-with-carboxymethyl-cellulose-on-dry-eye-in-postmenopausal-women
#19
Nan Jiang, Lin-Hong Ye, Lei Ye, Jing Yu, Qi-Chen Yang, Qing Yuan, Pei-Wen Zhu, Yi Shao
AIM: To investigate the protective effect of mistletoe combined with carboxymethyl cellulose eye drops on dry eye in postmenopausal women. METHODS: Sixty postmenopause female patients diagnosed of dry eye were assigned randomly to mistletoe combined with carboxymethyl cellulose eye drops treatment group (n=30) and control group treated with normal saline eye drops (n=30). The subjective symptoms of ocular surface, Ocular Surface Disease Index (OSDI), tear film function tests, tear protein and corneal morphology by confocal scanning microscopy were analyzed before treatment and at 1, 2, 4 and 8wk after treatment respectively...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/29176786/in-vivo-imaging-of-palisades-of-vogt-in-dry-eye-versus-normal-subjects-using-en-face-spectral-domain-optical-coherence-tomography
#20
Wajdene Ghouali, Rachid Tahiri Joutei Hassani, Zoubir Djerada, Hong Liang, Mohamed El Sanharawi, Antoine Labbé, Christophe Baudouin
PURPOSE: To evaluate a possible clinical application of spectral-domain optical coherence tomography (SD-OCT) using en-face module for the imaging of the corneoscleral limbus in normal subjects and dry eye patients. PATIENTS AND METHODS: Seventy-six subjects were included in this study. Seventy eyes of 35 consecutive patients with dry eye disease and 82 eyes of 41 healthy control subjects were investigated. All subjects were examined with the Avanti RTVue® anterior segment OCT...
2017: PloS One
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