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  • sustained protection against photoreceptor degeneration in tubby mice by intravitreal injection of nanoceria

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1391/01/01
    • تاریخ انتشار در تی پی بین: 1391/01/01
    • تعداد بازدید: 710
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     we previously reported that nanoceria can slow retinal degeneration in the tubby mouse for two weeks by multiple systemic injections. however, the long-term protection of retinal structure and function by directly deliver of nanoceria to the eye had not been explored. in this study, 172 ng of nanoceria in 1 μl saline (1 mm) were intravitreally injected into tubby p7 pups and assays were performed at p28, p49, p80 and p120. the expression of antioxidant associated genes and photoreceptor-specific genes was significantly up regulated, the mislocalization of rod and cone opsins was decreased, and retinal structure and function were protected. these findings demonstrate that nanoceria can function as catalytic antioxidants in vivo and may be broad spectrum therapeutic agents for multiple types of ocular diseases.

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