Effects of flavone on the oxidation-induced injury of retinal pigment epithelium cells
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    Abstract:

    AIM: To investigate the effect of flavone on oxidation- induced injury in retinal pigment epithelium cells. METHODS: In in vivo studies, NaIO3-induced RPE degene- ration in rat eyes was treated with 0.5% flavone eye drops 3 times a day for 1 week before and 4 weeks after NaIO3 injection. At the end of 2 and 4 weeks, all rats were measured c-wave by electroretinogram (ERG). In in vitro studies, ARPE-19 cells were treated with hypoxia, H2O2, NaN3 and t-BHP to induce cell damages. MTT assay was used to measure the viable cells. RESULTS: The ERG c-wave results showed that flavone reversed NaIO3-induced injury at the end of 4 weeks. In vitro results showed flavone reversed the various oxidants-induced injuries in RPE cells. CONCLUSION: Flavone could prevent the RPE from oxidation- induced injury both in vivo and in vitro.

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Pei Zhuang, Yi Shen, George C Y Chiou. Effects of flavone on the oxidation-induced injury of retinal pigment epithelium cells. Int J Ophthalmol, 2010,3(2):99-103

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