Abstract:
PURPOSE:Retinal basement membranes (BMs) serve as attachment sites for retinal pigment epithelial cells on Bruch's membrane and Müller cells (MCs) on the inner limiting membrane (ILM), providing polarity cues to adherent cells. The beta2 and gamma3 chains of laminin are key components of retinal BMs throughout development, suggesting that they play key roles in retinal histogenesis. This study was conducted to analyze how the absence of both beta2- and gamma3-containing laminins affects retinal development. Methods. The function of the beta2- and gamma3-containing laminins was tested by producing a compound deletion of both the beta2 and the gamma3 laminin genes in the mouse and assaying the effect on postnatal retinal development by using anatomic and electrophysiological techniques. Results. Despite the widespread expression of beta2 and gamma3 laminin chains in wild-type (WT) retinal BMs, the development of only one, the ILM, was disrupted. The postnatal consequence of the ILM disruption was an alteration of MC attachment and a resultant disruption in MC apical-basal polarity, which culminated in retinal dysplasia. Of importance, although their density was altered, retinal cell fates were unaffected. The laminin mutants have a markedly decreased visual function, resulting in part from photoreceptor dysgenesis. Conclusions. These data suggest that beta2 and gamma3 laminin isoforms are critical for the formation and stability of the ILM. These data also suggest that attachment of the MC to the ILM provides important polarity cues to the MC and for postnatal retinal histogenesis.
journal_name
Invest Ophthalmol Vis Scijournal_title
Investigative ophthalmology & visual scienceauthors
Pinzón-Duarte G,Daly G,Li YN,Koch M,Brunken WJdoi
10.1167/iovs.09-4645subject
Has Abstractpub_date
2010-03-01 00:00:00pages
1773-82issue
3eissn
0146-0404issn
1552-5783pii
iovs.09-4645journal_volume
51pub_type
杂志文章abstract:PURPOSE:This study was conducted to explore the association of autophagy-related genes (ATGs) single nucleotide polymorphisms (SNPs) with Behçet's disease (BD) and Vogt-Koyanagi-Harada (VKH) syndrome in a Chinese Han population. METHODS:A two-stage association study was carried out in 940 BD, 1061 VKH, and 2007 health...
journal_title:Investigative ophthalmology & visual science
pub_type: 杂志文章,多中心研究
doi:10.1167/iovs.15-18035
更新日期:2015-12-01 00:00:00
abstract:PURPOSE:To investigate the topographic relationship between ganglion cell-inner plexiform layer (GCIPL) and peripapillary retinal nerve fiber layer (pRNFL) defects in open-angle glaucoma patients with localized RNFL defects, using spectral-domain optical coherence tomography (SD-OCT). METHODS:We analyzed 140 eyes of 1...
journal_title:Investigative ophthalmology & visual science
pub_type: 杂志文章
doi:10.1167/iovs.14-13925
更新日期:2014-05-06 00:00:00
abstract:PURPOSE:To evaluate immunohistochemical staining of the endothelia of corneas from patients with clinical diagnoses of iridocorneal endothelial (ICE) syndrome. METHODS:Corneas diagnosed with ICE syndrome and removed during corneal transplantation were freshly frozen, sectioned, and stained with monoclonal antibodies t...
journal_title:Investigative ophthalmology & visual science
pub_type: 杂志文章
doi:
更新日期:1995-04-01 00:00:00
abstract:PURPOSE:To examine the correlation between corneal acoustic impedance and Young's modulus in a canine eye model. METHODS:Twenty canine globes were recovered from healthy animals. Corneal acoustic impedance was measured in the intact globes using two methods: a quantitative ultrasound spectroscopy method and the reflec...
journal_title:Investigative ophthalmology & visual science
pub_type: 杂志文章
doi:10.1167/iovs.10-5723
更新日期:2011-02-09 00:00:00
abstract:Purpose:We assess if α retinal ganglion cells (αRGCs) and intrinsically photosensitive retinal ganglion cells (ipRGCs) survive in mouse models of glaucoma. Methods:Two microliters of N-methyl-D-aspartate (NMDA; 1 mM) or PBS were injected intraocularly 7 days before sacrifice. Immunohistochemical analyses of the retina...
journal_title:Investigative ophthalmology & visual science
pub_type: 杂志文章
doi:10.1167/iovs.19-27145
更新日期:2019-09-03 00:00:00
abstract:PURPOSE:To investigate how mitomycin C (MMC) modulates corneal fibroblast migration and its molecular mechanisms in the wound healing process. METHODS:After treatment with 0 and 0.2 mg · mL(-1) MMC for 5 minutes, effect of MMC on cell migration of human corneal fibroblasts (HCFs) was examined with a cell migration ass...
journal_title:Investigative ophthalmology & visual science
pub_type: 杂志文章
doi:10.1167/iovs.11-9203
更新日期:2012-03-21 00:00:00
abstract::Cataracts removed intracapsularly by cryoprobe technique from human diabetics were analyzed for sugars and polyols by gas liquid chromatography. The contents of sorbitol and fructose of lenses followed blood glucose levels at least up to 250 mg/dl. Studies indicate that human lens is capable of synthesizing substantia...
journal_title:Investigative ophthalmology & visual science
pub_type: 杂志文章
doi:
更新日期:1979-03-01 00:00:00
abstract:PURPOSE:To study factors associated with choroidal thickness (CT) and to compare CT in angle closure (AC), open angle (OA), and normal eyes. METHODS:Forty controls, 106 OA, and 79 AC subjects underwent measurements of posterior CT by spectral domain-optical coherence tomography, and of intraocular pressure (IOP), bloo...
journal_title:Investigative ophthalmology & visual science
pub_type: 杂志文章
doi:10.1167/iovs.12-10483
更新日期:2012-11-27 00:00:00
abstract:PURPOSE:Oxygen-induced retinopathy (OIR) is a model for human retinopathy of prematurity (ROP). In OIR mice, this study determined whether blockade of β-adrenergic receptors (β-ARs) with propranolol influences retinal levels of proangiogenic factors, retinal vascularization, and blood-retinal barrier (BRB) breakdown. ...
journal_title:Investigative ophthalmology & visual science
pub_type: 杂志文章
doi:10.1167/iovs.10-5536
更新日期:2011-01-05 00:00:00
abstract:PURPOSE:To present a new method of performing scanning laser ophthalmoscope perimetry that compensates for eye movements so that the correct retinal location is tested even if fixation changes. This allows for accurate testing of patients with central scotomas and for repeating testing longitudinally at the same retina...
journal_title:Investigative ophthalmology & visual science
pub_type: 杂志文章
doi:
更新日期:1995-08-01 00:00:00
abstract:PURPOSE:The growth of ocular neovascularization is regulated by a balance between stimulating and inhibiting growth factors. Somatostatin affects angiogenesis by inhibiting the growth hormone-insulin-like growth factor axis and also has a direct antiproliferative effect on human retinal endothelial cells. The purpose o...
journal_title:Investigative ophthalmology & visual science
pub_type: 杂志文章
doi:
更新日期:2000-07-01 00:00:00
abstract:PURPOSE:Hyperreflective foci (HFs) are observable within the neurosensory retina in diabetic macular edema (DME) using spectral domain optical coherence tomography (SD-OCT). HFs have also been seen in wet age-related macular degeneration (AMD), although the origin is still unknown; however, they reduced significantly d...
journal_title:Investigative ophthalmology & visual science
pub_type: 杂志文章
doi:10.1167/iovs.12-9950
更新日期:2012-08-24 00:00:00
abstract:PURPOSE:To observe the spatial distribution of households with high loads of ocular chlamydia infection in children, before and after mass treatment with azithromycin to determine whether there exists spatial clustering of households with high loads of infection and the spatial scale of the clustering. METHODS:All res...
journal_title:Investigative ophthalmology & visual science
pub_type: 杂志文章
doi:10.1167/iovs.05-0326
更新日期:2006-01-01 00:00:00
abstract:Purpose:Examine associations between the vasculature at arteriovenous (AV) crossings and the onset of branch retinal vein occlusion (BRVO). Methods:We included 78 patients with major BRVO, 35 patients with macular BRVO, and 110 controls without BRVO and determined the vessel positions at AV crossings, where the first-...
journal_title:Investigative ophthalmology & visual science
pub_type: 杂志文章
doi:10.1167/iovs.61.2.8
更新日期:2020-02-07 00:00:00
abstract:PURPOSE:DBA/2J mice are a standard preclinical glaucoma model, which spontaneously developed mutations resulting in chronic age-related pigmentary glaucoma. The goals of this study were to identify the degree of visual impairment in DBA/2J mice before and after disease onset by quantifying the optokinetic reflex respon...
journal_title:Investigative ophthalmology & visual science
pub_type: 杂志文章
doi:10.1167/iovs.10-7106
更新日期:2011-06-01 00:00:00
abstract:PURPOSE:To develop and characterize a feline model of retinal degeneration induced by intravitreal injection of adenosine triphosphate (ATP). METHODS:Nineteen normally sighted adult cats received 100 μL intravitreal injections of ATP with a final concentration of 11, 22, or 55 mM at the retina. Four animals were eutha...
journal_title:Investigative ophthalmology & visual science
pub_type: 杂志文章
doi:10.1167/iovs.14-15732
更新日期:2014-11-25 00:00:00
abstract:PURPOSE:We characterized fluorescent bone marrow cells (YFP(+) BMCs) in the thy1-YFP mouse and determine if they promote trigeminal ganglion (TG) cell neurite growth. METHODS:Excimer laser annular keratectomy was performed in thy1-YFP mice, and corneas were imaged. BMCs were harvested from femur and tibia, and the exp...
journal_title:Investigative ophthalmology & visual science
pub_type: 杂志文章
doi:10.1167/iovs.13-12237
更新日期:2013-09-03 00:00:00
abstract:PURPOSE:To determine the effects of X-linked and autosomal recessive Alport syndrome on retinal basement membranes and how these result in the characteristic perimacular dot-and-fleck retinopathy, lozenge, and macular hole. METHODS:The type IV collagen chains present in the normal retina were determined immunohistoche...
journal_title:Investigative ophthalmology & visual science
pub_type: 杂志文章,多中心研究
doi:10.1167/iovs.08-3323
更新日期:2010-03-01 00:00:00
abstract:Purpose:The purpose of this review was to provide detailed insights into the pathophysiology of myofibroblast-mediated fibrosis (scarring or late haze) after corneal injury, surgery, or infection. Method:Literature review. Results:The epithelium and epithelial basement membrane (EBM) and/or endothelium and Descemet's...
journal_title:Investigative ophthalmology & visual science
pub_type: 杂志文章,评审
doi:10.1167/iovs.18-24428
更新日期:2018-08-01 00:00:00
abstract::Class II (DR or Ia) alloantigens are potent inducers of cell-mediated immune responses. However, the expression of Class II alloantigens on corneal cells, except for Langerhans cells within the limbal epithelium, has not previously been described. We have induced Ia expression on cultured rabbit corneal endothelial ce...
journal_title:Investigative ophthalmology & visual science
pub_type: 杂志文章
doi:
更新日期:1985-04-01 00:00:00
abstract:PURPOSE:Leukocytes play a critical role in ocular diseases such as uveitis, diabetic retinopathy, and choroidal neovascularization. Intercellular adhesion molecule (ICAM)-1 is essential for the migration of leukocytes. Control of ICAM-1 expression may lead to therapies for these diseases. Small-interfering ribonucleic ...
journal_title:Investigative ophthalmology & visual science
pub_type: 杂志文章
doi:10.1167/iovs.09-3457
更新日期:2010-01-01 00:00:00
abstract:PURPOSE:To assess the impact of zinc finger E-box binding homeobox 1 (ZEB1) gene mutations associated with posterior polymorphous corneal dystrophy 3 (PPCD3) and Fuchs' endothelial corneal dystrophy (FECD). METHODS:Thirteen of the 27 previously reported ZEB1 truncating mutations associated with PPCD3 and the six previ...
journal_title:Investigative ophthalmology & visual science
pub_type: 杂志文章
doi:10.1167/iovs.14-15247
更新日期:2014-09-04 00:00:00
abstract:Purpose:To investigate transepidermal water loss (TEWL) from the ocular area in dry eye disease (DED) and evaluate the correlation between ocular TEWL and other DED parameters. Methods:Transepidermal water loss from the ocular area in 56 eyes with DED and 38 healthy eyes was measured using a Tewameter TM300 that was e...
journal_title:Investigative ophthalmology & visual science
pub_type: 杂志文章
doi:10.1167/iovs.16-20109
更新日期:2016-09-01 00:00:00
abstract::Two-dimensional electrophoretic maps of extracts from eleven normal and eleven keratoconus corneas were compared. Of the eleven corneas analyzed, eight were pooled and the remaining three were analyzed individually. Several differences were demonstrated between electrophoretic patterns of normal and keratoconus cornea...
journal_title:Investigative ophthalmology & visual science
pub_type: 杂志文章
doi:
更新日期:1989-12-01 00:00:00
abstract:PURPOSE:To investigate macular photoreceptor structure in patients with inherited retinal degeneration using high-resolution images and to correlate the findings with clinical phenotypes and genetic mutations. METHODS:Adaptive optics scanning laser ophthalmoscopy (AOSLO) images of photoreceptors were obtained in 16 ey...
journal_title:Investigative ophthalmology & visual science
pub_type: 杂志文章
doi:10.1167/iovs.06-1422
更新日期:2007-07-01 00:00:00
abstract::Intracameral perfusion with 4 to 6 mM Na2EDTA or 4 mM EGTA for 40 to 80 min caused a very large increase in gross outflow facility. This effect was partly reversible when followed by perfusion with mock aqueous humor. Eyes perfused with Na2EDTA were studied morphologically. In the trabecular meshwork the cells separat...
journal_title:Investigative ophthalmology & visual science
pub_type: 杂志文章
doi:
更新日期:1980-05-01 00:00:00
abstract:PURPOSE:To determine whether vascular tone of isolated porcine retinal veins can be modulated by tissue-generated vasoactive factors such as endothelin-1 and adenosine. Such information may be useful in understanding the role of the retinal veins in regulating blood flow, and also provide a model for investigating new ...
journal_title:Investigative ophthalmology & visual science
pub_type: 杂志文章
doi:10.1167/iovs.15-18358
更新日期:2016-02-01 00:00:00
abstract::Effects of substance P (SP) and vasoactive intestinal peptide (VIP) on motor function of bovine sphincter, dilator, and ciliary muscles were investigated pharmacologically, with and without field stimulation. SP contracted the sphincter and the maximum response was only about 25% of that in the presence of equimolar d...
journal_title:Investigative ophthalmology & visual science
pub_type: 杂志文章
doi:
更新日期:1983-12-01 00:00:00
abstract:PURPOSE:To demonstrate the presence of corneal stromal precursors that express neural markers in vitro. METHODS:To isolate sphere-forming cells, human corneal stromal cells were subjected to a reaggregation-free neurosphere assay in medium containing methylcellulose gel matrix. To promote differentiation, the isolated...
journal_title:Investigative ophthalmology & visual science
pub_type: 杂志文章
doi:10.1167/iovs.04-0288
更新日期:2005-05-01 00:00:00
abstract::We examined the sources of artifacts of vitreous fluorophotometry (VF), a technique used to assess the permeability of the blood-retinal barrier. By performing in vitro measurements in a model eye and in vivo readings in humans, we investigated the influence of various concentrations of fluorescein in the anterior cha...
journal_title:Investigative ophthalmology & visual science
pub_type: 杂志文章
doi:
更新日期:1982-05-01 00:00:00