Signaling states of rhodopsin in rod disk membranes lacking transducin βγ-complex.

abstract：PURPOSE:To determine some of the mechanisms by which substance P (SP) induces contraction in the isolated rat iris. METHODS:Rings of rat iris were mounted in a 5-ml organ chamber containing Krebs solution at 37 degrees C under basal tension of 75 mg, and isometric tension was recorded. RESULTS:Substance P produced gr...

journal_title：Investigative ophthalmology & visual science

authors： Grumann-Júnior A,Dias MA,Alves RV,Boteon JE,Calixto JB

更新日期：2000-06-01 00:00:00

abstract：Purpose:To characterize intraocular pressure (IOP) dynamics by identifying the sources of transient IOP fluctuations and quantifying the frequency, magnitude, associated cumulative IOP-related mechanical energy, and temporal distribution. Methods:IOP was monitored at 500 Hz for periods of 16 to 451 days in nine normal...

journal_title：Investigative ophthalmology & visual science

authors： Turner DC,Edmiston AM,Zohner YE,Byrne KJ,Seigfreid WP,Girkin CA,Morris JS,Downs JC

更新日期：2019-06-03 00:00:00

abstract：PURPOSE:Previous studies have shown that binocular coordination during saccadic eye movement is affected in humans with large strabismus. The purpose of this study was to examine the conjugacy of saccadic eye movements in monkeys with sensory strabismus. METHODS:The authors recorded binocular eye movements in four str...

journal_title：Investigative ophthalmology & visual science

authors： Fu L,Tusa RJ,Mustari MJ,Das VE

更新日期：2007-07-01 00:00:00

abstract：:PURPOSE. To examine the biomechanical deformation of load bearing structures of the optic nerve head (ONH) resulting from raised intracranial pressure, using high definition optical coherence tomography (HD-OCT). The authors postulate that elevated intracranial pressure induces forces in the retrolaminar subarachnoid ...

journal_title：Investigative ophthalmology & visual science

authors： Kupersmith MJ,Sibony P,Mandel G,Durbin M,Kardon RH

更新日期：2011-08-22 00:00:00

abstract：:In recent years, there has been great interest in recording the pattern electroretinogram (PERG) in glaucomatous and diabetic populations. The Dawson, Trick, and Litzkow thread electrode (DTLTE) and the gold foil electrode (GFE), commonly used for recording PERGs, were compared for variations in amplitude of response,...

journal_title：Investigative ophthalmology & visual science

authors： Prager TC,Saad N,Schweitzer FC,Garcia CA,Arden GB

更新日期：1992-02-01 00:00:00

abstract：:A recent hypothesis for the cellular mechanism of fluid secretion by lacrimal acini has been based, in part, on the results of subcellular fractionation analyses of lacrimal gland fragments which had been incubated for a brief period in vitro. An important assumption in those studies was that the ion transporters and ...

journal_title：Investigative ophthalmology & visual science

authors： Yiu SC,Wood RL,Mircheff AK

更新日期：1990-11-01 00:00:00

abstract：:Photoreceptors can segregate inner segment proteins from outer segment proteins. It is uncertain whether such a sorting process occurs during disc morphogenesis in rods, thereby resulting in an outer segment plasma membrane which differs compositionally from the discs. In this study, the plasma membranes of intact, pu...

journal_title：Investigative ophthalmology & visual science

authors： Polans AS,Burton MD

更新日期：1988-10-01 00:00:00

abstract：PURPOSE:To identify the retinal pigment epithelium (RPE) surface antigen recognized by the monoclonal antibody RET-PE2. METHODS:A lambda bacteriophage complementary DNA (cDNA) expression library, representing the rat RPE cell line RPE-J, was constructed and screened with the RET-PE2 monoclonal antibody. Transient tran...

journal_title：Investigative ophthalmology & visual science

authors： Finnemann SC,Marmorstein AD,Neill JM,Rodriguez-Boulan E

更新日期：1997-10-01 00:00:00

abstract：Purpose:Ocular rigidity (OR) is an important biomechanical property, thought to be relevant in the pathophysiology of open-angle glaucoma (OAG). This study aims to evaluate the relationship between OR and neuroretinal damage caused by glaucoma. Methods:One hundred eight subjects (22 with healthy eyes, 23 with suspect ...

journal_title：Investigative ophthalmology & visual science

authors： Sayah DN,Mazzaferri J,Descovich D,Costantino S,Lesk MR

更新日期：2020-11-02 00:00:00

abstract：:Light and electron microscopic studies were done on 11 cynomolgus monkey eyes which had undergone total iris removal followed by surgical disinsertion of the ciliary muscle from the scleral spur 4.7 to 14.4 months earlier. Anterior chamber perfusion to measure gross outflow facility had been performed one to nine time...

journal_title：Investigative ophthalmology & visual science

authors： Lütjen-Drecoll E,Kaufman PL,Bárány EH

更新日期：1977-03-01 00:00:00

abstract：PURPOSE:To evaluate the effects of 5-fluorouracil (5-FU) on ocular cells in vitro and the effects of degradable 5-FU-loaded poly(DL-lactide-co-glycolide; PDLGA) 50:50 implant in the rabbit eye in vivo. METHODS:Cytotoxicity was assessed with a tetrazolium salt WST-1 cell proliferation/viability test and a lactate dehyd...

journal_title：Investigative ophthalmology & visual science

authors： Huhtala A,Rönkkö S,Teräsvirta M,Puustjärvi T,Sihvola R,Vehanen K,Laukkanen A,Anttila J,Urtti A,Pohjonen T,Uusitalo H

更新日期：2009-05-01 00:00:00

abstract：:Intravitreal membranes from patients with proliferative vitreoretinopathy (PVR) consist partly of retinal glial (RG) and retinal pigment epithelial (RPE) cells surrounded by varying amounts of extracellular matrix (ECM). The contribution of the ECM to the growth of PVR membranes is unknown. This study was undertaken t...

journal_title：Investigative ophthalmology & visual science

authors： Williams DF,Burke JM

更新日期：1990-09-01 00:00:00

abstract：PURPOSE:We compared the ability of circumpapillary retinal nerve fiber layer (cpRNFL) thickness and macular parameters obtained by three spectral-domain optical coherence tomography (SD-OCT) instruments to detect glaucoma. METHODS:We enrolled 87 normal eyes and 145 glaucomatous eyes (75 early glaucomatous eyes (EGs), ...

journal_title：Investigative ophthalmology & visual science

authors： Akashi A,Kanamori A,Nakamura M,Fujihara M,Yamada Y,Negi A

更新日期：2013-07-10 00:00:00

abstract：PURPOSE:The values of Heidelberg Retinal Tomograph (HRT; Heidelberg Engineering, Heidelberg, Germany) stereometric parameters depend on the reference plane (RP), the instability of which results in parameter variability. Identification of change depends on RP stability. This study was undertaken to evaluate the influen...

journal_title：Investigative ophthalmology & visual science

authors： Poli A,Strouthidis NG,Ho TA,Garway-Heath DF

更新日期：2008-09-01 00:00:00

abstract：PURPOSE:Oxidative stress seems to be an important factor in the development of age-related macular degeneration (AMD). The role of DNA repair mechanisms has also received attention recently in AMD pathogenesis. This case-control study was conducted to determine the frequency of polymorphisms in two DNA repair enzyme ge...

journal_title：Investigative ophthalmology & visual science

authors： Görgün E,Güven M,Unal M,Batar B,Güven GS,Yenerel M,Tatlipinar S,Seven M,Yüksel A

更新日期：2010-09-01 00:00:00

abstract：PURPOSE:To determine the effect of triamcinolone acetonide (TA) on outflow facility in mice. METHODS:Animals received 20 μL of TA (40 mg/mL) suspension subconjunctivally either bilaterally or unilaterally and were euthanized after either 1 week or 3 weeks. Before mice were killed, IOP was measured with a rebound tonom...

journal_title：Investigative ophthalmology & visual science

authors： Kumar S,Shah S,Deutsch ER,Tang HM,Danias J

更新日期：2013-02-01 00:00:00

abstract：PURPOSE:To examine the expression and localization of the neuroplastins (np), two synapse-enriched members of the immunoglobulin (Ig) superfamily of cell-adhesion molecules, in the developing and adult retina and optic nerve. METHODS:Expressions of the two isoforms np55 and np65 and carboxyl-terminal splice variants w...

journal_title：Investigative ophthalmology & visual science

authors： Kreutz MR,Langnaese K,Dieterich DC,Seidenbecher CI,Zuschratter W,Beesley PW,Gundelfinger ED

更新日期：2001-07-01 00:00:00

abstract：PURPOSE:To study binding of retinoids to human tear lipocalin (TL) to assess factors influencing ligand affinity and delivery. Mechanistic features of retinoid interactions with TL were investigated, including the influence of the retinoid functional group on ligand affinity, the relative affinity of retinol versus fat...

journal_title：Investigative ophthalmology & visual science

authors： Gasymov OK,Abduragimov AR,Yusifov TN,Glasgow BJ

更新日期：2002-10-01 00:00:00

abstract：PURPOSE:To determine whether glaucoma alters intrinsically photosensitive retinal ganglion cell (ipRGC) function. METHODS:Forty-one patients (25 with glaucoma and 16 healthy age-matched control participants) were tested. Intrinsically photosensitive retinal ganglion cell function was directly measured by the sustained...

journal_title：Investigative ophthalmology & visual science

authors： Feigl B,Mattes D,Thomas R,Zele AJ

更新日期：2011-06-21 00:00:00

abstract：Purpose:The purpose of this study was to measure change in anterior lamina cribrosa depth (ALD) globally and regionally in glaucoma eyes at different intraocular pressures (IOP). Methods:Twenty-seven glaucoma patients were imaged before and after IOP-lowering procedures using optical coherence tomography. The anterior...

journal_title：Investigative ophthalmology & visual science

authors： Quigley H,Arora K,Idrees S,Solano F,Bedrood S,Lee C,Jefferys J,Nguyen TD

更新日期：2017-05-01 00:00:00

abstract：PURPOSE:Increased stromal accumulation of macrophages and submucosal fibrosis due to excessive accumulation of collagens are central histologic features in ocular cicatricial pemphigoid (OCP). Interleukin (IL)-4 plays an important role in both the inflammatory and fibrotic events in several human and experimental disea...

journal_title：Investigative ophthalmology & visual science

authors： Razzaque MS,Ahmed BS,Foster CS,Ahmed AR

更新日期：2003-08-01 00:00:00

abstract：PURPOSE:To assess the scene gist recognition in eyes with age-related macular degeneration (AMD) and to study the relationship between scene recognition and macular function. METHODS:Twenty-seven patients with age-related macular degeneration with a visual acuity lower than 20/50 and 17 age-matched controls were inclu...

journal_title：Investigative ophthalmology & visual science

authors： Tran TH,Rambaud C,Despretz P,Boucart M

更新日期：2010-12-01 00:00:00

abstract：PURPOSE:Although the murine alphaA-crystallin promoter is the most commonly used promoter for achieving transgene expression in the developing lens, this promoter directs transgene expression efficiently only in lens fiber cells. The purpose of the present study was to generate promoters capable of directing transgene ...

journal_title：Investigative ophthalmology & visual science

authors： Zhao H,Yang Y,Rizo CM,Overbeek PA,Robinson ML

更新日期：2004-06-01 00:00:00

abstract：Purpose:Age-related macular degeneration (AMD) is a progressive disease with multifactorial etiology. There is a need to identify clinical features that are harbingers of advanced disease. We evaluated morphologic features of the retina and choroid on optical coherence tomography (OCT) to determine if they predict prog...

journal_title：Investigative ophthalmology & visual science

authors： Ferrara D,Silver RE,Louzada RN,Novais EA,Collins GK,Seddon JM

更新日期：2017-07-01 00:00:00

abstract：PURPOSE:We compared the anti-fibrotic effects of single versus multiple postoperative injections of saratin following glaucoma filtration surgery (GFS) in the rabbit model. METHODS:The experiment was in two parts. To determine the optimal frequency for postoperative therapy, seven New Zealand White (NZW) rabbits recei...

journal_title：Investigative ophthalmology & visual science

authors： Min J,Lukowski ZL,Levine MA,Meyers CA,Beattie AR,Schultz GS,Samuelson DA,Sherwood MB

更新日期：2012-11-19 00:00:00

abstract：PURPOSE:The efficacy of the peptide Ac-EEED on reducing cell adhesion and proliferation in vitro and choroidal neovascularization (CNV) in vivo was examined. METHODS:The peptide chimera containing the Ac-EEED sequence was chemically linked to the N terminus of the XMTM delivery peptide from the E(rns) viral surface pr...

journal_title：Investigative ophthalmology & visual science

authors： Caballero S,Yang R,Grant MB,Chaqour B

更新日期：2011-04-16 00:00:00

abstract：Purpose:To describe the phenotypic spectrum of retinal disease caused by the c.2991+1655A>G mutation in CEP290 and to compare disease severity between homozygous and compound heterozygous patients. Methods:Medical records were reviewed for best-corrected visual acuity (BCVA), age of onset, fundoscopy descriptions. Fov...

journal_title：Investigative ophthalmology & visual science

authors： Valkenburg D,van Cauwenbergh C,Lorenz B,van Genderen MM,Bertelsen M,Pott JR,Coppieters F,de Zaeytijd J,Thiadens AAHJ,Klaver CCW,Kroes HY,van Schooneveld MJ,Preising M,Hoyng CB,Leroy BP,van den Born LI,Collin RWJ

更新日期：2018-09-04 00:00:00

abstract：PURPOSE:Compensatory eye movements (CEM) maintain a stable image on the retina by minimizing retinal slip. The optokinetic reflex (OKR) and vestibulo-ocular reflex (VOR) compensate for low and high velocity stimuli, respectively. The OKR system is known to be highly nonlinear. The VOR is generally modeled as a linear s...

journal_title：Investigative ophthalmology & visual science

authors： Sibindi TM,Holland PJ,van der Geest JN,Donchin O,Frens MA

更新日期：2016-07-01 00:00:00

abstract：Purpose:Structural retinal microvascular changes have been identified as risk markers of diabetic retinopathy (DR). In order to estimate the retinal response of neuroprotective eye drops, we aimed to evaluate the effect of topical retinal neuroprotection on retinal microvascular changes in early DR. Methods:Patients w...

journal_title：Investigative ophthalmology & visual science

authors： Grauslund J,Frydkjaer-Olsen U,Peto T,Fernández-Carneado J,Ponsati B,Hernández C,Cunha-Vaz J,Simó R,EUROCONDOR.

更新日期：2019-05-01 00:00:00

abstract：PURPOSE:To investigate the specific role of very late antigen-1 (VLA-1; also known as integrin α1β1) in corneal inflammatory lymphangiogenesis in vivo and lymphatic endothelial cell functions in vitro. METHODS:A standard suture-induced corneal inflammatory lymphangiogenesis model was used in normal adult BALB/c mice t...

journal_title：Investigative ophthalmology & visual science

authors： Grimaldo S,Yuen D,Ecoiffier T,Chen L

更新日期：2011-07-01 00:00:00