Abstract：
PURPOSE:To examine the behavior of fibroblasts and retinal pigment epithelial cells after attachment to the retinal surface in vitro to elucidate the pathobiology of the early stages of epiretinal membrane formation. METHODS:Human retinal pigment epithelial (HRPE) cells and bovine Tenon's capsule fibroblasts (BTFs) were seeded onto the surface of bovine retinal explants maintained in organ culture. The changes induced in the underlying retina, including contraction, were assessed during a period of up to 10 days. Immunohistochemistry was used to assess proliferation of the seeded cells and to determine deposition of extracellular matrix. RESULTS:Explants of bovine neuroretina were maintained in organ culture, with good morphologic preservation of the inner limiting lamina and inner retinal layers, for 7 to 10 days. The HRPE cells and the BTFs attached to the retinal surface and exerted tractional forces, producing partial- and full-thickness retinal folding. Contraction commenced within 24 hours of attachment of the cells and continued for several days, with most of the contraction occurring within the next 48 to 72 hours. The HRPE cells and BTFs were found to be equally contractile. Deposition of cellular fibronectin (but not collagen type I) was demonstrated. CONCLUSIONS:The contractile cellular membranes generated in this organ culture system exhibit many of the morphologic and functional features of epiretinal membranes found in the early stages of proliferative vitreoretinopathy.
journal_name
Invest Ophthalmol Vis Scijournal_title
Investigative ophthalmology & visual scienceauthors
Allamby D,Foreman D,Carrington L,McLeod D,Boulton Msubject
Has Abstractpub_date
1997-09-01 00:00:00pages
2064-72issue
10eissn
0146-0404issn
1552-5783journal_volume
38pub_type
杂志文章abstract：PURPOSE:Injury to the adult optic nerve, caused mechanically or by diseases, is still not reparable because the retinal ganglion cells (RGCs) are not allowed to regrow their axons and die retrogradely, although they possess the intrinsic propensity to regenerate axons in experimental conditions. METHODS:In vitro propa...
journal_title：Investigative ophthalmology & visual science
pub_type： 杂志文章
doi：10.1167/iovs.07-1473
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journal_title：Investigative ophthalmology & visual science
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journal_title：Investigative ophthalmology & visual science
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journal_title：Investigative ophthalmology & visual science
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journal_title：Investigative ophthalmology & visual science
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journal_title：Investigative ophthalmology & visual science
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doi：
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journal_title：Investigative ophthalmology & visual science
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journal_title：Investigative ophthalmology & visual science
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