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首页> 外文期刊>Journal of Biophotonics >Laser-assisted targeted gene delivery to degenerated retina improves retinal function
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Laser-assisted targeted gene delivery to degenerated retina improves retinal function

机译:激光辅助靶向基因递送至退化的视网膜改善视网膜功能

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摘要

Delivery of therapeutic genes into retina is proving to reverse degeneration and restore vision, however, viral vector-based gene delivery is prone to immunorejection, inflammatory/immune-response and nontargeted. Here, we report nonviral gene delivery and expression of opsin encoding genes in mouse retina in-vitro and in-vivo by use of pulsed femtosecond laser microbeam. In-vitro patch-clamp recording of the opsin-sensitized retinal cells and visually evoked in-vivo electrical recording from laser-transfected eye of mouse with degenerated retina showed functional response. The ultrafast laser-based naked gene delivery showed minimal damage and reliable expression of therapeutic opsin in cell membrane of the selected cells and in targeted retinal region. Laser-based "naked DNA gene therapy" in a spatially targeted manner will pave the way for treatment of inherited retinal diseases.
机译:事实证明,将治疗性基因输送到视网膜可以逆转变性和恢复视力,然而,基于病毒载体的基因输送容易出现免疫排斥、炎症/免疫反应和非靶向性。在这里,我们报告了利用脉冲飞秒激光微束在体外和体内的小鼠视网膜中非病毒基因传递和视蛋白编码基因的表达。视蛋白致敏视网膜细胞的体外膜片钳记录和视网膜变性小鼠激光转染眼的视觉诱发活体电记录显示出功能性反应。基于超快激光的裸基因递送在所选细胞的细胞膜和靶视网膜区域显示出最小的损伤和治疗性视蛋白的可靠表达。基于激光的空间定向“裸DNA基因疗法”将为遗传性视网膜疾病的治疗铺平道路。

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