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    • 46. 发明申请
    • INHIBITION OF REACTIVE OXYGEN SPECIES AND PROTECTION OF MAMMALIAN CELLS
    • 对活性氧物质的抑制作用及其保护作用
    • WO2006118954A2
    • 2006-11-09
    • PCT/US2006/016050
    • 2006-04-27
    • UNIVERSITY OF CENTRAL FLORIDA RESEARCH FOUNDATION, INC.UNIVERSITY OF OKLAHOMA, CORP.
    • SEAL, Sudipta
    • A61K33/24
    • A61K33/24
    • Methods and compositions useful for neuronal protection in retinal cells in vitro and the protection of mammalian cells from reactive oxygen species in vivo are provided. UltrafÊne nano-size cerium oxide particles, less than 10 nanometers in diameter, have been provided to decrease reactive oxygen species (ROS) in retina tissue that generates large amounts of ROS. These reactive oxygen species (ROS) are involved in light- induced retina degeneration and age-related macular degeneration (AMD). Cerium oxide nanoparticles have been used to promote the lifespan of retinal neurons and protect the neurons from apoptosis induced by hydrogen peroxide in vitro and in vivo. The neuronal protection in retinal cells is achieved by decreasing generation of intracellular reactive oxygen species (ROS). Thus, cerium oxide particles are used to promote the longevity of retinal neurons in vitro and mammalian cells in vivo.
    • 提供了可用于体外视网膜细胞中神经元保护的方法和组合,并且在体内保护哺乳动物细胞免受活性氧的影响。 已经提供了直径小于10纳米的超细纳米尺寸氧化铈颗粒,以减少产生大量ROS的视网膜组织中的活性氧(ROS)。 这些活性氧(ROS)参与光诱导的视网膜变性和年龄相关性黄斑变性(AMD)。 已经使用氧化铈纳米粒子来促进视网膜神经元的寿命,并保护神经元免受体外和体内过氧化氢诱导的细胞凋亡。 通过减少细胞内活性氧(ROS)的产生来实现视网膜细胞中的神经元保护。 因此,氧化铈颗粒用于体外促进视网膜神经元在体外和哺乳动物细胞的寿命。