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Substantial collateral effects induced by CasRx in mammalian cells and mice

GSE157586 Homo sapiens Expression profiling by high throughput sequencing 8 samples Submitted 2025/09/02 Platform GPL20795
Summary
CRISPR-Cas13 systems have recently been employed to silence RNAs in yeast, plants, mammalian cell lines and animals, however, collateral effects induced by Cas13 may impede their research and therapeutic applications. Here, we found Cas13a and CasRx-mediated RNA knockdown induced substantial collateral effects on both exogenous and endogenous genes in mammalian cells. Moreover, transgenic mice carrying CasRx, with or without targeting guide RNA, exhibited high lethality. Therefore, our results present limitations of CasRx, requiring a solution to address its fidelity before clinical applications.
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Also filed as BioProject PRJNA661461 and SRA study SRP280088. Searching any of these in the dataset finder brings you back here.

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