Egr-1 mRNA expression is a marker for the direction of mammalian ocular growth.

Abstract:

PURPOSE:The immediate early gene Egr-1 is thought to form part of the pathway that mediates abnormal ocular growth. This study investigated whether the mRNA expression levels of Egr-1 in a mammalian retina are modulated differentially, depending on the direction of ocular growth. METHODS:To induce accelerated growth and myopia, guinea pigs wore a -5 diopter (D) lens over one eye from 4 to 11 days of age. To induce inhibited growth, the lens was removed after 7 days of -5 D lens wear, and the eye allowed to recover from myopia for 3 days. Ocular parameters and Egr-1 mRNA levels were subsequently assessed, and compared to untreated fellow eyes and eyes from untreated littermates. Possible circadian changes in Egr-1 mRNA levels were also determined in 18 additional animals by taking measures every 4 hours during a 24-hour cycle. RESULTS:Ocular compensation to a -5 D lens occurred after 7 days (Δ -4.8 D, Δ +147 μm growth, N = 20). In 5 highly myopic eyes (Δ -7.4 D), Egr-1 mRNA levels in the retina were significantly downregulated relative to contralateral control (51%) and age-matched untreated (47%) eyes. Three days after the -5 D lens was removed, eyes had recovered from the myopia (Δ -0.5 D, relative change of +2.9 D, N = 4) and Egr-1 mRNA levels were significantly elevated relative to contralateral (212%) and untreated (234%) eyes, respectively. Normal Egr-1 mRNA expression was higher in the middle of the day than in the middle of the night. Immunolabeling showed strong Egr-1 reactivity in cell bodies in the inner nuclear and ganglion cell layers. CONCLUSIONS:Egr-1 mRNA levels in a mammalian retina show a bi-directional persistent response to opposing ocular growth stimuli. This suggests retinal Egr-1 might act as a signal for the direction of ocular growth in different species.

authors

Ashby RS,Zeng G,Leotta AJ,Tse DY,McFadden SA

doi

10.1167/iovs.13-11708

subject

Has Abstract

pub_date

2014-07-22 00:00:00

pages

5911-21

issue

9

eissn

0146-0404

issn

1552-5783

pii

iovs.13-11708

journal_volume

55

pub_type

杂志文章
  • Awareness and filling-in of the human blind spot: linking psychophysics with retinal topography.

    abstract:PURPOSE:To link psychophysical thresholds for blind spot awareness and filling-in with early neural components that underpin these perceptions. METHODS:Blind spot dimensions were quantified, after which an intrinsic stimulus (i.e., a rectangular bar of varying length centered within the blind spot) was used to determi...

    journal_title:Investigative ophthalmology & visual science

    pub_type: 杂志文章

    doi:10.1167/iovs.10-5910

    authors: Abadi RV,Jeffery G,Murphy JS

    更新日期:2011-01-25 00:00:00

  • Influence of the disc-fovea angle on limits of RNFL variability and glaucoma discrimination.

    abstract:PURPOSE:To determine factors affecting the disc-fovea angle (DFA), and to test the hypotheses that adjusting for DFA improves limits of retinal nerve fiber layer (RNFL) variability in normal subjects or enhances performance of RNFL measures for glaucoma detection. METHODS:Disc-fovea angle was measured on scanning lase...

    journal_title:Investigative ophthalmology & visual science

    pub_type: 杂志文章

    doi:10.1167/iovs.14-14962

    authors: Amini N,Nowroozizadeh S,Cirineo N,Henry S,Chang T,Chou T,Coleman AL,Caprioli J,Nouri-Mahdavi K

    更新日期:2014-10-09 00:00:00

  • A Compact Whole-Eye Perfusion System to Evaluate Pharmacologic Responses of Outflow Facility.

    abstract:Purpose:To discover novel therapies that lower IOP by increasing aqueous humor outflow facility, ex vivo ocular perfusion systems provide a valuable tool. However, currently available designs are limited by their throughput. Here we report the development of a compact, scalable perfusion system with improved throughput...

    journal_title:Investigative ophthalmology & visual science

    pub_type: 杂志文章

    doi:10.1167/iovs.16-20974

    authors: Zhou EH,Paolucci M,Dryja TP,Manley T,Xiang C,Rice DS,Prasanna G,Chen A

    更新日期:2017-06-01 00:00:00

  • The ocular dose of ultraviolet radiation to outdoor workers.

    abstract::Ocular ultraviolet radiation (UVR) exposure was assessed in three occupational groups: fisherman, landscape workers and construction workers. The ratio of ocular exposure to ambient exposure was determined by placing UV-sensitive film (295-320 nm) between the eyes of the subjects and in a nearby open field. The mean o...

    journal_title:Investigative ophthalmology & visual science

    pub_type: 杂志文章

    doi:

    authors: Rosenthal FS,Phoon C,Bakalian AE,Taylor HR

    更新日期:1988-04-01 00:00:00

  • Asymmetry of focal ERG in human macular region.

    abstract::Electroretinograms (ERGs) were elicited by hemicircular (half-disc) stimuli to the upper, lower, temporal and nasal maculas of 26 normal subjects, and the amplitudes and implicit times of the ERGs from opposing macular regions were compared. The amplitudes of a-wave, b-wave and oscillatory potentials (OPs) were signif...

    journal_title:Investigative ophthalmology & visual science

    pub_type: 杂志文章

    doi:

    authors: Miyake Y,Shiroyama N,Horiguchi M,Ota I

    更新日期:1989-08-01 00:00:00

  • Effect of group B streptococcal meningitis on retinal and choroidal blood flow in newborn pigs.

    abstract:PURPOSE:To assess the effect of group B streptococcal (GBS) meningitis on retinal blood flow (RetBF) and choroidal blood flow (ChBF) autoregulation in sedated newborn piglets (1 to 5 days of age). METHODS:Fourteen study animals injected with 0.5 ml heat-killed GBS (10(9)) were compared to 10 control animals injected w...

    journal_title:Investigative ophthalmology & visual science

    pub_type: 杂志文章

    doi:

    authors: Bottoli I,Beharry K,Modanlou HD,Norris K,Ling E,Noya F,Amato MM,Aranda JV

    更新日期:1995-06-01 00:00:00

  • Corneal Epithelial Remodeling Induced by Small Incision Lenticule Extraction (SMILE).

    abstract:PURPOSE:To assess the reactive changes of the corneal epithelial thickness (ET) profile induced by small incision lenticule extraction (SMILE) for treatment of myopia. METHODS:This prospective observational study included 46 eyes of 23 patients that were scheduled for myopic SMILE. High-resolution spectral-domain opti...

    journal_title:Investigative ophthalmology & visual science

    pub_type: 杂志文章

    doi:10.1167/iovs.15-18879

    authors: Luft N,Ring MH,Dirisamer M,Mursch-Edlmayr AS,Kreutzer TC,Pretzl J,Bolz M,Priglinger SG

    更新日期:2016-07-01 00:00:00

  • A new tonometer--the Corvis ST tonometer: clinical comparison with noncontact and Goldmann applanation tonometers.

    abstract:PURPOSE:To compare intraocular pressure (IOP) measurements obtained using the Topocon noncontact tonometer (NCT), the Goldmann applanation tonometer (GAT), and the Corvis ST (CST), a newly developed tonometer with features of visualization and measurement of the corneal deformation response to an air impulse. A seconda...

    journal_title:Investigative ophthalmology & visual science

    pub_type: 杂志文章

    doi:10.1167/iovs.12-10984

    authors: Hong J,Xu J,Wei A,Deng SX,Cui X,Yu X,Sun X

    更新日期:2013-01-23 00:00:00

  • Distinct Profiles of Soluble Cytokine Receptors Between B-Cell Vitreoretinal Lymphoma and Uveitis.

    abstract:PURPOSE:To determine the profiles of soluble cytokine receptors and cytokines, including mostly their ligands, in the vitreous humor of patients with B-cell vitreoretinal lymphoma (VRL) and uveitis. METHODS:Vitreous samples were collected from immunocompetent patients with VRL (n = 21), uveitis (n = 20), and idiopathi...

    journal_title:Investigative ophthalmology & visual science

    pub_type: 杂志文章

    doi:10.1167/iovs.15-17465

    authors: Takeda A,Yoshikawa H,Fukuhara T,Hikita S,Hijioka K,Otomo T,Arita R,Hisatomi T,Kimura K,Yoshida S,Kawano Y,Sonoda KH,Ishibashi T

    更新日期:2015-11-01 00:00:00

  • Transcorneal electrical stimulation promotes survival of photoreceptors and improves retinal function in rhodopsin P347L transgenic rabbits.

    abstract:PURPOSE:To determine whether transcorneal electrical stimulation (TES) has neuroprotective effects on the photoreceptors, and whether it slows the rate of decrease of the electroretinogram (ERG) in rhodopsin P347L transgenic (Tg) rabbits. METHODS:Six-week-old Tg rabbits received TES through a contact lens electrode on...

    journal_title:Investigative ophthalmology & visual science

    pub_type: 杂志文章

    doi:10.1167/iovs.11-9067

    authors: Morimoto T,Kanda H,Kondo M,Terasaki H,Nishida K,Fujikado T

    更新日期:2012-06-28 00:00:00

  • The effect of timolol maleate on the disruption of the blood-aqueous barrier in the rabbit eye.

    abstract::A disruption of the blood-aqueous barrier in rabbit eyes was elicited by use of topical prostaglandin E2(PGE2), infrared irradiation of the iris, or by subcutaneous alpha-melanocyte-stimulating hormone (alpha-MSH). The aqueous flare provoked was measured quantitatively with a photoelectric instrument. The effect of th...

    journal_title:Investigative ophthalmology & visual science

    pub_type: 杂志文章

    doi:

    authors: Holmdahl G,Bengtsson E

    更新日期:1981-06-01 00:00:00

  • IL-33 shifts macrophage polarization, promoting resistance against Pseudomonas aeruginosa keratitis.

    abstract:PURPOSE:To determine the role of IL-33 in resistance to Pseudomonas aeruginosa keratitis. METHODS:Corneal IL-33 mRNA and protein levels were tested in susceptible C57BL/6 (B6) and resistant BALB/c mice. B6 mice were injected with recombinant mouse IL-33 (rmIL-33) and disease severity, bacterial load, polymorphonuclear...

    journal_title:Investigative ophthalmology & visual science

    pub_type: 杂志文章

    doi:10.1167/iovs.09-3983

    authors: Hazlett LD,McClellan SA,Barrett RP,Huang X,Zhang Y,Wu M,van Rooijen N,Szliter E

    更新日期:2010-03-01 00:00:00

  • Sonic hedgehog expression and role in healing corneal epithelium.

    abstract:PURPOSE:To examine the expression pattern and roles of Sonic hedgehog (Shh) in healing corneal epithelium. METHODS:Immunofluorescent staining and Western blot analysis were used to detect Shh, patched 1 (Ptc 1) receptors, and Gli transcription factors in corneal epithelium of Wistar rats (n = 44) at various intervals ...

    journal_title:Investigative ophthalmology & visual science

    pub_type: 杂志文章

    doi:10.1167/iovs.04-0001

    authors: Saika S,Muragaki Y,Okada Y,Miyamoto T,Ohnishi Y,Ooshima A,Kao WW

    更新日期:2004-08-01 00:00:00

  • Analysis of normal flicker sensitivity and its variability in the visuogram test.

    abstract::Flicker sensitivity was measured in groups of younger and older adult observers to assess its mean values and the test-retest variability both between sessions and in a single session. Test-retest sensitivities differed by less than 15% but tended to decrease slightly in a session and increase slightly between session...

    journal_title:Investigative ophthalmology & visual science

    pub_type: 杂志文章

    doi:

    authors: Tyler CW

    更新日期:1991-08-01 00:00:00

  • Vascular Interstitial Cells in Retinal Arteriolar Annuli Are Altered During Hypertension.

    abstract:Purpose:It has been suggested that arteriolar annuli localized in retinal arterioles regulate retinal blood flow acting as sphincters. Here, the morphology and protein expression profile of arteriolar annuli have been analyzed under physiologic conditions in the retina of wild-type, β-actin-Egfp, and Nestin-gfp transge...

    journal_title:Investigative ophthalmology & visual science

    pub_type: 杂志文章

    doi:10.1167/iovs.18-25000

    authors: Ramos D,Catita J,López-Luppo M,Valença A,Bonet A,Carretero A,Navarro M,Nacher V,Mendez-Ferrer S,Meseguer A,Casellas A,Mendes-Jorge L,Ruberte J

    更新日期:2019-02-01 00:00:00

  • Abundant expression of ponsin, a focal adhesion protein, in lens and downregulation of its expression by impaired cytoskeletal signaling.

    abstract:PURPOSE:This study was undertaken to improve understanding of the defective lens developmental changes induced by the transgenic overexpression of the Rho GDP dissociation inhibitor RhoGDIalpha. The study was focused on a single differentially expressed gene encoding ponsin, a cell adhesion interacting signaling adapto...

    journal_title:Investigative ophthalmology & visual science

    pub_type: 杂志文章

    doi:10.1167/iovs.08-2909

    authors: Rao PV,Maddala R

    更新日期:2009-04-01 00:00:00

  • Preferential looking acuity obtained with a staircase procedure in pediatric patients.

    abstract::Visual acuity of infants and young children with ophthalmologic disorders was assessed by adapting a transformed up-down staircase to preferential looking (PL) procedures. Eighty-five percent of pediatric patients between 11 days and 5 years of age were tested successfully. Acuity of infants and young children with no...

    journal_title:Investigative ophthalmology & visual science

    pub_type: 杂志文章

    doi:

    authors: Mayer DL,Fulton AB,Hansen RM

    更新日期:1982-10-01 00:00:00

  • Membrane skeleton protein 4.1 in inner segments of retinal cones.

    abstract::Retinal cone photoreceptors are polarized cells with discrete functional compartments. Little is known of the membrane-skeleton components in cones responsible for the maintenance of cellular morphology and compartmentalization of integral membrane proteins. The authors describe a high density of the membrane-skeleton...

    journal_title:Investigative ophthalmology & visual science

    pub_type: 杂志文章

    doi:

    authors: Spencer M,Moon RT,Milam AH

    更新日期:1991-01-01 00:00:00

  • Biometric characteristics of eyes with central serous chorioretinopathy.

    abstract:PURPOSE:To investigate the biometric characteristics of eyes with idiopathic central serous chorioretinopathy (CSC). METHODS:Medical records of 52 consecutive patients with unilateral CSC were reviewed. Central serous chorioretinopathy was diagnosed using spectral-domain optical coherence tomography (SD-OCT) and fluor...

    journal_title:Investigative ophthalmology & visual science

    pub_type: 杂志文章

    doi:10.1167/iovs.13-13183

    authors: Oh JH,Oh J,Togloom A,Kim SW,Huh K

    更新日期:2014-03-13 00:00:00

  • TAK1 inhibition accelerates cellular senescence of retinal pigment epithelial cells.

    abstract:PURPOSE:Oxidative stress and cellular senescence are known to contribute to the development of AMD; however, the mechanism is not fully understood. This study investigated the role of TGF-β-activated kinase 1 (TAK1) in the senescence of RPE cells as a model for the development of dry AMD. METHODS:Cultured human RPE ce...

    journal_title:Investigative ophthalmology & visual science

    pub_type: 杂志文章

    doi:10.1167/iovs.14-14349

    authors: Dvashi Z,Green Y,Pollack A

    更新日期:2014-08-12 00:00:00

  • Decreased corneal sensitivity in patients with dry eye.

    abstract:PURPOSE:To explore changes in corneal sensitivity that develop in patients with dry eye and the relationship between sensibility and severity of the dry eye disease. METHODS:Experiments were performed in 44 patients with dry eye and 42 healthy individuals. Corneal sensitivity was measured with the Belmonte noncontact ...

    journal_title:Investigative ophthalmology & visual science

    pub_type: 杂志文章

    doi:10.1167/iovs.04-1426

    authors: Bourcier T,Acosta MC,Borderie V,Borrás F,Gallar J,Bury T,Laroche L,Belmonte C

    更新日期:2005-07-01 00:00:00

  • Retarding photoreceptor degeneration in Pdegtm1/Pdegtml mice by an apoptosis suppressor gene.

    abstract:PURPOSE:Mice (Pdegtm1/Pdegtm1) homozygous for a mutant allele of the gamma subunit of retinal cyclic guanosine monophosphate phosphodiesterase (PDE gamma) suffer a severe photoreceptor degeneration. To determine whether the antiapoptotic BCL2 gene is effective in delaying the cell death pathway in this new strain of mu...

    journal_title:Investigative ophthalmology & visual science

    pub_type: 杂志文章

    doi:

    authors: Tsang SH,Chen J,Kjeldbye H,Li WS,Simon MI,Gouras P,Goff SP

    更新日期:1997-04-01 00:00:00

  • Intersubject variability of foveal cone photoreceptor density in relation to eye length.

    abstract:PURPOSE:Adaptive optics scanning laser ophthalmoscopy (AOSLO) under optimized wavefront correction allows for routine imaging of foveal cone photoreceptors. The intersubject variability of foveal cone density was measured and its relation to eye length evaluated. METHODS:AOSLO was used to image 18 healthy eyes with ax...

    journal_title:Investigative ophthalmology & visual science

    pub_type: 杂志文章

    doi:10.1167/iovs.10-5499

    authors: Li KY,Tiruveedhula P,Roorda A

    更新日期:2010-12-01 00:00:00

  • Lipoprotein particles of intraocular origin in human Bruch membrane: an unusual lipid profile.

    abstract:PURPOSE:Throughout adulthood, Bruch membrane (BrM) accumulates esterified cholesterol (EC) associated with abundant 60- to 80-nm-diameter lipoprotein-like particles (LLP), putative apolipoprotein B (apoB) lipoproteins secreted by the retinal pigment epithelium (RPE). In the present study, neutral lipid, phospholipids, ...

    journal_title:Investigative ophthalmology & visual science

    pub_type: 杂志文章

    doi:10.1167/iovs.08-2376

    authors: Wang L,Li CM,Rudolf M,Belyaeva OV,Chung BH,Messinger JD,Kedishvili NY,Curcio CA

    更新日期:2009-02-01 00:00:00

  • Safety profile of topical VEGF neutralization at the cornea.

    abstract:PURPOSE:Bevacizumab eyedrops inhibit corneal neovascularization. The purpose of this study was to analyze the safety profile of VEGF-A neutralization at the ocular surface. METHODS:Bevacizumab eyedrops (5 mg/mL) and an antimurine VEGF-A antibody (250 microg/mL) were applied to normal murine corneas five times a day fo...

    journal_title:Investigative ophthalmology & visual science

    pub_type: 杂志文章

    doi:10.1167/iovs.07-1129

    authors: Bock F,Onderka J,Rummelt C,Dietrich T,Bachmann B,Kruse FE,Schlötzer-Schrehardt U,Cursiefen C

    更新日期:2009-05-01 00:00:00

  • Amblyopic Suppression: Passive Attenuation, Enhanced Dichoptic Masking by the Fellow Eye or Reduced Dichoptic Masking by the Amblyopic Eye?

    abstract:Purpose:To test the amblyopic suppression at mid to low spatial frequencies when compensating for signal attenuation. Methods:Eight amblyopes with (n = 5) or without (n = 3) strabismus and 10 normal controls with normal or corrected to normal visual acuity (≥20/20) and normal stereopsis (≤40 arcseconds) participated. ...

    journal_title:Investigative ophthalmology & visual science

    pub_type: 杂志文章

    doi:10.1167/iovs.18-24206

    authors: Zhou J,Reynaud A,Yao Z,Liu R,Feng L,Zhou Y,Hess RF

    更新日期:2018-08-01 00:00:00

  • Modulation of corneal epithelial innate immune response to pseudomonas infection by flagellin pretreatment.

    abstract:PURPOSE:A prior study showed that Toll-like receptor (TLR)-5 recognizes Pseudomonas aeruginosa flagellin and triggers the production of proinflammatory cytokines in human corneal epithelial cells (HCECs). The present study was conducted to determine how the inflammatory response is modulated after TLR activation in HCE...

    journal_title:Investigative ophthalmology & visual science

    pub_type: 杂志文章

    doi:10.1167/iovs.07-0473

    authors: Kumar A,Yin J,Zhang J,Yu FS

    更新日期:2007-10-01 00:00:00

  • Phenotypic Plasticity in Uveal Melanoma Is Not Restricted to a Tumor Subpopulation and Is Unrelated to Cancer Stem Cell Characteristics.

    abstract:Purpose:Uveal melanoma (UM) is the most common primary intraocular malignancy in adults and approximately half of those diagnosed will die of metastasis. This study investigates whether UM progression is driven by a subpopulation of stem-like cells, termed "cancer stem cells" (CSCs). Methods:Expression of postulated s...

    journal_title:Investigative ophthalmology & visual science

    pub_type: 杂志文章

    doi:10.1167/iovs.17-22272

    authors: Doherty RE,Sisley K,Hammond DW,Rennie IG,Cross NA

    更新日期:2017-10-01 00:00:00

  • Reduction of liver metastasis of intraocular melanoma by interferon-beta gene transfer.

    abstract:PURPOSE:This study determined whether adenovirus-mediated transfer of the murine interferon-beta (AdCMVIFN-beta) gene protects against liver metastases arising from intraocular melanomas in mice. METHODS:A replication-deficient adenovirus vector (AdCMVIFN-beta) was used for the in vivo transfer of the murine IFN-beta ...

    journal_title:Investigative ophthalmology & visual science

    pub_type: 杂志文章

    doi:10.1167/iovs.02-1147

    authors: Alizadeh H,Howard K,Mellon J,Mayhew E,Rusciano D,Niederkorn JY

    更新日期:2003-07-01 00:00:00

  • Fluorescent in situ hybridization (FISH) on corneal impression cytology specimens (CICS): study of epithelial cell survival after keratoplasty.

    abstract:PURPOSE:To assess corneal epithelial cell survival after keratoplasty. METHODS:Corneal impression cytology (CIC) was performed on sex-mismatched corneal transplants. Fluorescent in situ hybridization (FISH) with sex chromosome-specific probes was performed to identify epithelial cell mosaicism and therefore allocate t...

    journal_title:Investigative ophthalmology & visual science

    pub_type: 杂志文章

    doi:10.1167/iovs.10-5394

    authors: Catanese M,Popovici C,Proust H,Hoffart L,Matonti F,Cochereau I,Conrath J,Gabison EE

    更新日期:2011-02-22 00:00:00