信使核糖核酸
核糖核酸
内吞作用
翻译(生物学)
背景(考古学)
纳米技术
细胞生物学
生物
细胞
材料科学
基因
遗传学
古生物学
作者
Muren Hu,Chao Feng,Qianqin Yuan,Chenbin Liu,Bujun Ge,Fenyong Sun,Xiaoli Zhu
标识
DOI:10.1038/s41467-023-37020-y
摘要
mRNA delivery has shown high application value in the treatment of various diseases, but its effective delivery is still a major challenge at present. Herein, we propose a lantern-shaped flexible RNA origami for mRNA delivery. The origami is composed of a target mRNA scaffold and only two customized RGD-modified circular RNA staples, which can compress the mRNA into nanoscale and facilitate its endocytosis by cells. In parallel, the flexible structure of the lantern-shaped origami allows large regions of the mRNA to be exposed and translated, exhibiting a good balance between endocytosis and translation efficiency. The application of lantern-shaped flexible RNA origami in the context of the tumor suppressor gene, Smad4 in colorectal cancer models demonstrates promising potential for accurate manipulation of protein levels in in vitro and in vivo settings. This flexible origami strategy provides a competitive delivery method for mRNA-based therapies.
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