Transcriptomics

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Ribo– RNA-seq of psoriasis mouse model


ABSTRACT: Efforts to advance RNA aptamers as a novel therapeutic modality have been limited by their susceptibilty to degradation and immunogenicity. In a previous study, we demonstrated synthesized double-stranded circular RNAs (ds-cRNAs) with minimal immunogenicity targeted to dsRNA-activated Protein Kinase R (PKR). Here, we test the therapeutic potential of ds-cRNAs in a mouse model of imiquimod-induced psoriasis. We find that genetic supplementation of ds-cRNAs leads to inhibition of PKR, resulting in alleviation of downstream interferon alpha (IFNα)/dsRNA signals and attenuation of psoriasis phenotypes. Delivery of ds-cRNAs by lipid nanoparticles to the spleen attenuates PKR activity in examined splenocytes, resulting in reduced epidermal thickness. These findings suggest that ds-cRNAs represent a promising approach to mitigate excessive PKR activation for therapeutic purposes.

ORGANISM(S): Mus musculus

PROVIDER: GSE248678 | GEO | 2024/03/04

REPOSITORIES: GEO

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