Abstract:
:Low intensity diffuse white fluorescent light (1,000 lx for 2 h) exclusively induced photoreceptor damage in the inferior retina of albino rats; the temporal retina showed extensive damage, whereas the nasal retina revealed threshold lesions prior to recovery. To expand our morphological data, further experiments were undertaken to determine if glial fibrillary acidic protein (GFAP) expression was associated with the regions of photoreceptor damage. To follow the time course of GFAP expression, immunoblot analysis was carried out on retinal homogenates of dark-adapted (control) rats and light-exposed rats returned to cyclic light for 0 h, 1, 2, 3 and 6 days. A significant twofold increase in GFAP immunoreactivity over controls was observed in the retinas of light-exposed rats returned to cyclic light for 6 days. Using an indirect immunohistochemical method, retinal sections of the control and light-exposed rats allowed to recover for 6 days were stained for GFAP. GFAP immunoreactivity was localised to the astrocytes and Müller cells. Moreover, GFAP staining in Müller cells in the retinas of control animals was uniformly restricted to rare end-feet. In contrast, a gradient of GFAP immunoreactivity was observed in experimental rats, rising from the superior retina to the inferior temporal quadrant; the GFAP staining in the inferior nasal quadrant was intermediate. Thus, GFAP immunoreactivity was proportional to photoreceptor damage. Interestingly, no GFAP induction could be demonstrated in the pineal glands of light-exposed rats.
journal_name
Ophthalmic Resjournal_title
Ophthalmic researchauthors
de Raad S,Szczesny PJ,Munz K,Remé CEdoi
10.1159/000267881subject
Has Abstractpub_date
1996-01-01 00:00:00pages
99-107issue
2eissn
0030-3747issn
1423-0259journal_volume
28pub_type
杂志文章abstract:AIM/BACKGROUND:A 1-bp deletion (1147delA) in the SAG (also known as arrestin or S-antigen) gene is the most frequently seen mutation in Japanese patients suffering from Oguchi disease, a recessively inherited stationary night blindness. We investigated macular function in a patient with Oguchi disease with the 1147delA...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000325024
更新日期:2011-10-01 00:00:00
abstract:OBJECTIVE:Weak oxidants produced by activated human leukocytes are proven antimicrobial substances. We tested whether N-chlorotaurine (NCT, taurine chloramine), the chlorinated metabolite of the amino acid taurine, in addition to direct virucidal effects on viral suspensions, has the capability to prevent cell-to-cell ...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000253846
更新日期:2010-01-01 00:00:00
abstract::The effects of optical defocusing with convex lenses on the amplitudes of pattern reversal visual-evoked response (PVER) were investigated. With the large check size and high-contrast pattern, PVER amplitudes showed a linear decrease in response to initial defocusing up to +5 to +6 dptr. As the degree of defocus incre...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000267051
更新日期:1990-01-01 00:00:00
abstract:AIM:Ultraviolet (UV) B irradiation induces gene expression that leads to skin cancer. Among the transcription factors induced by UVB radiation exposure, the cyclic AMP response element-binding protein (CREB) is significant. Since several factors downstream of CREB signaling are known to be involved in pterygium pathoge...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000347124
更新日期:2013-01-01 00:00:00
abstract:BACKGROUND:The aim of this study is to provide a quantitative evaluation of the blood-aqueous barrier (BAB) in patients with ocular blunt trauma and evaluate its association with intraocular pressure (IOP) elevation. METHODS:This is a prospective case-control study, and the following 3 groups were included: elevated I...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000445352
更新日期:2016-07-01 00:00:00
abstract:AIMS:The purpose of this paper was to determine the lacrimal concentration of IL-1α and MMP-9 in patients with active ocular rosacea before and after systemic treatment with azithromycin or doxycycline. METHODS:After 4 weeks of therapy with azithromycin (500 mg/day, 3 days a week PO) or doxycycline (200 mg/day PO), la...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000489092
更新日期:2018-01-01 00:00:00
abstract:OBJECTIVE:Acute corneal permeability change after instillation of benzalkonium chloride (BAC) was evaluated using a newly developed in vivo corneal transepithelial electric resistance (TER) measurement method. METHOD:Corneal TER was measured by Ag/AgCl electrodes placed in the anterior aqueous chamber and on the corne...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000109986
更新日期:2007-01-01 00:00:00
abstract::Oxidative stress plays a role in the pathogenesis of neurodegeneration in diabetic retinopathy (DR). However, whether an excellent reactive oxygen species scavenger, U83836E, inhibits the neurodegeneration in DR remains uncertain. This study is aimed at clarifying the effects of U83836E on DR. Two weeks after streptoz...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000321952
更新日期:2011-01-01 00:00:00
abstract::Cholinergic agents used to lower intraocular pressure in the medical management of glaucoma act on muscarinic receptors in the eye. Recently, subtypes of muscarinic receptors have been recognized in many tissues including the eye. To localize the M3 muscarinic receptor subtype and m3 messenger RNA (mRNA) in the human ...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000267472
更新日期:1994-01-01 00:00:00
abstract::Cannabinoid receptor involvement in the intraocular-pressure (IOP)-lowering effect of the cannabinoids has not been determined. These receptors bind four structural classes of agonists: the classical and the nonclassical cannabinoids, the aminoalkylindoles and the arachidonylethanolamides (the endogenous ligands). We ...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000267984
更新日期:1997-01-01 00:00:00
abstract::This study is a first approach to identify UVA-related alterations in situ of bovine eye lens proteins from the water-soluble and urea-soluble fractions upon aging. The fractions were obtained from irradiated long-term organ culture lenses and analyzed by mini two-dimensional gel electrophoresis. This micropreparative...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000055613
更新日期:2000-09-01 00:00:00
abstract:PURPOSE:To establish a retinal blood flow database in normal human eyes using the Canon Laser Blood Flowmeter (CLBF). METHOD:Fourteen healthy subjects (7 males, 7 females) between the ages of 24 and 33 underwent birectional laser Doppler velocimetry (BLDV) in one eye using the CLBF. Measurements consisting of blood ve...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000065600
更新日期:2002-09-01 00:00:00
abstract:OBJECTIVE:To evaluate the effect of C constant for ray tracing-assisted intraocular lens (IOL) power calculation in the patients with different refractive power, we compared the refractive outcome of ray-tracing method based on C constant and conventional IOL calculation formula. METHODS:215 eyes which underwent phaco...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000507963
更新日期:2020-04-20 00:00:00
abstract:PURPOSE:To evaluate the long-term outcome of trabeculectomy with intra- and postoperative 5-fluorouracil (5-FU) application in glaucoma. METHODS:Eighty-six patients with glaucoma planned for primary trabeculectomy with 5-FU and a minimum follow-up of 3 years were retrospectively analyzed. Success rates, postsurgical 5...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000464446
更新日期:2017-01-01 00:00:00
abstract:PURPOSE:To determine whether docosahexaenoic acid (DHA) can reduce the retinal damage induced by transient retinal ischemia. METHODS:Retinal ischemia was induced by increasing intraocular pressure (IOP). Retinal circulation was restored by lowering IOP. An intraperitoneal injection of 1,000 mg/kg of DHA-ester (DHA-E) ...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000055669
更新日期:2001-07-01 00:00:00
abstract:PURPOSE:To analyze a multiflash multifocal electroretinogram in 20 patients with open-angle glaucoma (OAG). METHODS:The stimulation sequence consisted of a binary m-sequence (L(max) 200 cd/m(2), L(min) <1 cd/m(2)). Each m-sequence stimulus was followed by three global flashes (luminance: 400 cd/m(2)) at an interval of...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000048333
更新日期:2002-03-01 00:00:00
abstract:PURPOSE:To evaluate the effect of transpupillary thermotherapy (TTT) on foveal thickness and macular function in eyes with choroidal neovascularization (CNV) associated with age-related macular degeneration. METHODS:Sixteen eyes with occult CNV and 6 eyes with classic CNV were treated with TTT. Optical coherence tomog...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000083020
更新日期:2005-01-01 00:00:00
abstract::Indirect measurement in vivo of nuclear color of 64 cataractous eyes was made using a method of image analysis of photographed lenses developed by the authors. The grade of yellow of lens color was characterized by its dominant wavelength and excitation purity in the CIE chromaticity diagram. The differences were smal...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000265345
更新日期:1985-01-01 00:00:00
abstract:INTRODUCTION:Retinitis pigmentosa (RP) is an inherited retinal disorder, characterized by photoreceptor degeneration inducing progressive vision loss. This study evaluates its impact on quality of life (QOL) and emotional states of patients affected by RP. METHODS:A cross-sectional study was conducted on 60 RP patient...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000435886
更新日期:2015-01-01 00:00:00
abstract::The purpose of this study was to determine the expression of metalloproteinases (MMPs) and their tissue inhibitors (TIMPs) in the aqueous humour of patients with exfoliation syndrome (XFS). XFS and control samples were analysed for their MMP content by zymography and for their tissue inhibitors by ELISA. In XFS eyes, ...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000063661
更新日期:2002-05-01 00:00:00
abstract::Catalase activity was evaluated in Long Evans rat retina after ischemia and reperfusion. Ischemia was induced by ligation of the optic nerve and vessels. Rats were sacrificed after 15 and 120 min of reperfusion, respectively. Catalase activity was assessed by Claiborne's method and was expressed as U/mg of protein. In...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000267924
更新日期:1996-01-01 00:00:00
abstract::The specific activities of the four investigated enzymes of the carbohydrate metabolism decrease with ageing. In the old tissue, phosphoglyceratemutase and enolase sustain changes in their molecular weight, and their substrate affinity is modified. ...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000265275
更新日期:1983-01-01 00:00:00
abstract:PURPOSE:The aim of the present study was to characterize the development of after-cataract in the rabbit by measuring its wet weight, protein, DNA and glycosaminoglycan (GAG) contents and using Scheimpflug and slitlamp analysis. Further, aqueous humor (AqH) leukocytes, protein and lens epithelial cell proliferation act...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000048320
更新日期:2002-01-01 00:00:00
abstract:PURPOSE:To assess and describe sequential morphological changes in the choroidal neovascularization (CNV) net using optical coherence tomography angiography (OCTA) in patients undergoing treatment with intravitreal antivascular endothelial growth factor (VEGF). METHODS:Prospective cohort study. OCTA was performed sequ...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000442671
更新日期:2016-01-01 00:00:00
abstract::Naphthalene-induced rat cataract is a useful experimental cataract--however, because of its short survival period, studies using this model have been for limited purposes. Based on the consideration that the short survival might be caused by systemic toxicity of an overdose of naphthalene administration (1 g/kg body w...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000267836
更新日期:1995-01-01 00:00:00
abstract::The vibrating probe detects and measures currents around cells and organs. With its use, it is possible to demonstrate strong outward potassium currents at the equator of the lens and strong inward sodium currents at the optical poles. The addition of microelectrodes to the system permits one to define the nature of t...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000266570
更新日期:1988-01-01 00:00:00
abstract:OBJECTIVE:To evaluate the sensitivity and specificity of pseudoexfoliation syndrome diagnosis in pseudophakic patients and potential means of improving it. METHODS:This prospective, nonrandomized study comprised 41 consecutive patients (41 eyes) scheduled for cataract surgery at a tertiary medical center during 2016-2...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000508336
更新日期:2020-04-30 00:00:00
abstract:PURPOSE:To investigate therapeutic ocular surface medium (TOSM), a potential physiological tear replacement therapy, for persistent epithelial defect (PED). METHODS:11 eyes of 10 patients with PED for ≥ 2 weeks without improvement despite conventional treatment were enrolled in a prospective pilot study of TOSM over 1...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000355065
更新日期:2014-01-01 00:00:00
abstract::Non-toxic concentrations of ceftazidime (CAZ), cefuzonam sodium (CZON) and cefmetazole sodium (CMZ) for intravitreal use were assessed by the electroretinogram in in vitro perfused eyecups of albino rabbits. None of the a-wave, the b-wave and the oscillatory potentials deteriorated with 300 microM CAZ, 300 microM CZON...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000267858
更新日期:1995-01-01 00:00:00
abstract::The ophthalmic examination of patients with hypertrophic cardiomyopathy treated with high doses of verapamil over a considerable period of time showed no evidence of a side effect of the drug, thus proving its ocular safety. This could be verified by densitometric image analysis of Scheimpflug photographs of the eyes....
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000265327
更新日期:1984-01-01 00:00:00