CasRx-mediated RNA targeting prevents choroidal neovascularization in a mouse model of age-related macular degeneration [article]

Changyang Zhou, Xinde Hu, Cheng Tang, Wenjia Liu, Shaoran Wang, Yingsi Zhou, Qimeng Zhao, Qiyu Bo, Linyu Shi, Xiaodong Sun, Haibo Zhou, Hui Yang
2020 bioRxiv   pre-print
The smallest Cas13 family protein, CasRx, has a high cleavage activity and targeting specificity, offering attractive opportunity for therapeutic applications. Here we report that delivery of CasRx by adeno-associated virus via intravitreal injection could efficiently knockdown Vegfa transcripts and significantly reduce the area of laser-induced choroidal neovascularization in a mouse model of age-related macular degeneration. Thus, RNA-targeting CRISPR system could be used for in vivo gene therapy.
doi:10.1101/2020.02.18.955286 fatcat:ugecwwydivbixjjcgyk7h4ln7q