Oxidative stress promotes ocular neovascularization.
Oxidative stress promotes ocular neovascularization.
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DOI:
10.1002/jcp.21698
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发表时间:
2009-06
影响因子:
5.6
通讯作者:
Campochiaro, Peter A.
中科院分区:
文献类型:
--
作者:
Dong, Aling;Xie, Bing;Shen, Jikui;Yoshida, Tsunehiko;Yokoi, Katsutoshi;Hackett, Sean F.;Campochiaro, Peter A.
Mice deficient in superoxide dismutase 1 (Sod1−/− mice) develop many features seen in patients with age-related macular degeneration (AMD) including choroidal neovascularization (NV). We sought to determine if the absence of SOD1 contributes to the pro-angiogenic environment in the subretinal space or whether it is completely secondary to other changes in Bruch’s membrane and the retinal pigmented epithelium (RPE) that precede the development of choroidal NV. Expression of vascular endothelial growth factor (VEGF) in photoreceptors or ischemia resulted in significantly more NV in Sod1−/− compared to Sod1+/+ mice. The compromised antioxidant defense system in Sod1−/− mice contributes to the pro-angiogenic environment, because treatment of Sod1−/− mice with a mixture of antioxidants caused a significant reduction in ischemia-induced retinal NV. Wild type mice treated with the same antioxidants also showed reduced ischemia-induced retinal NV, reduced VEGF-induced subretinal NV, and reduced choroidal NV at Bruch’s membrane rupture sites. These data suggest that reactive oxygen species contribute to several types of ocular NV. This could explain why in the Age-Related Eye Disease Trial, antioxidant treatment reduced conversion from non-neovascular to neovascular AMD and severe vision loss, and suggest that potent antioxidants should be considered for other diseases complicated by ocular NV.
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影响因子:
6
作者:
Tobe, T;Ortega, S;Campochiaro, PA
通讯作者:
Campochiaro, PA
影响因子:
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作者:
Kassoff, A;Kassoff, J;Chew, EY
通讯作者:
Chew, EY
影响因子:
5.6
作者:
Saishin, Y;Saishin, Y;Campochiaro, PA
通讯作者:
Campochiaro, PA
影响因子:
158.5
作者:
Brown, David M.;Kaiser, Peter K.;Schneider, Susan
通讯作者:
Schneider, Susan
影响因子:
158.5
作者:
Rosenfeld, Philip J.;Brown, David M.;Kim, Robert Y.
通讯作者:
Kim, Robert Y.