Abstract:
PURPOSE:To investigate the potential toxicity of the vehicle used for triamcinolone acetonide (TA) to the cornea, lens, ciliary body, and retina of pigmented rabbits. METHODS:Forty chinchilla rabbits (40 eyes) were divided into four groups: group A (control group) eyes received an intravitreal injection of 0.1 ml sterile saline solution; group B eyes received 0.1 ml (1.3 mg) TA plus vehicle; group C eyes received 0.1 ml (1.3 mg) TA alone (vehicle eliminated); group D eyes received 0.1 ml vehicle only. Intraocular pressure (IOP) was measured pre-injection and at 1, 7, 14, 30, and 90 days post-injection. Scotopic and photopic electroretinograms (ERG) were examined pre-injection and 7, 30, and 90 days post-injection. Animals were sacrificed 7, 30, and 90 days post-injection. Eyes were enucleated and examined by light microscopy (LM) and electron microscopy (EM). RESULTS:The IOP of groups B and C was higher than that of other groups on days 1, 7, and 14 post-injection (p < 0.05). ERG amplitudes of groups B and D were lower than those of other groups on days 7 and 30 post-injection (p < 0.05). Histopathological sections indicated morphologic changes in the ciliary body, lens, and retina of eyes in groups B and D. CONCLUSIONS:Vehicle used for TA is toxic to the lens, ciliary body, and retina of pigmented rabbit eyes after injection of intravitreal TA.
journal_name
Curr Eye Resjournal_title
Current eye researchauthors
Zhengyu S,Fang W,Ying Fdoi
10.1080/02713680903063082subject
Has Abstractpub_date
2009-09-01 00:00:00pages
769-76issue
9eissn
0271-3683issn
1460-2202pii
10.1080/02713680903063082journal_volume
34pub_type
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journal_title:Current eye research
pub_type: 杂志文章
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journal_title:Current eye research
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journal_title:Current eye research
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abstract:PURPOSE:To determine the roles of the murine interleukin-8 receptor homolog (mIL-8Rh, neutrophil chemokine CXC receptor 2) and macrophage inflammatory protein-1alpha (MIP-1alpha, a CC chemokine) in two eye inflammation models: endotoxin-induced uveitis (EIU) and immune complex-induced uveitis (reverse passive Arthus re...
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abstract::Experiments were conducted to test the influence of thapsigargin on the NaK-ATPase activity of cultured cells (ODM2) derived from human nonpigmented ciliary epithelium. The rate of ouabain-sensitive ATP hydrolysis (Na,K-ATPase activity) was diminished in cells that had been pretreated with thapsigargin then permeabili...
journal_title:Current eye research
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doi:10.3109/02713683.2013.783079
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journal_title:Current eye research
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doi:10.3109/02713689309029225
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journal_title:Current eye research
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journal_title:Current eye research
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journal_title:Current eye research
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pub_type: 杂志文章
doi:10.3109/02713689309020401
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更新日期:2003-08-01 00:00:00
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journal_title:Current eye research
pub_type: 杂志文章
doi:
更新日期:2000-09-01 00:00:00
abstract::Recent reports from this laboratory indicate that dopamine (DA2) agonists can lower intraocular pressure (IOP) in rabbits, monkeys and rats. This communication suggests that the cat nictitating membrane (CNM) preparation is a useful model for localizing the site(s) and mechanism(s) of action of dopamine (DA2) agonists...
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更新日期:2018-09-01 00:00:00
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更新日期:2004-06-01 00:00:00
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pub_type: 杂志文章,随机对照试验
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