Transcriptomics

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Transcriptome analysis of LPS-stimulated BMDMs pretreated with Ctrl MO or Regnase-1-targeting MOs (Reg1-MOs)


ABSTRACT: Regnase-1 plays essential roles in restricting inflammation by acting as a RNase degrading mRNAs involved in immune reactions via the recognition of stem-loop structures in the 3’untranslated regions (UTRs). Dysregulated expression of Regnase-1 is implicated in the pathogenesis of inflammatory and autoimmune diseases in mice and humans. Here we developed a novel therapeutic strategy to suppress inflammatory responses by blocking Regnase-1 self-regulation, which was enabled by the simultaneous use of two antisense phosphorodiamidate morpholino oligonucleotides (MOs) to alter the binding affinity of Regnase-1 towards the stem-loop structures present in its 3’UTR. The Regnase-1-targeting MOs successfully stabilized Regnase-1 mRNA expression. Furthermore, increasing the abundance of Regnase-1 by MO treatment effectively reduced multiple pro-inflammatory transcripts that were controlled by Regnase-1 in BMDMs. Collectively, these data suggested that MO-mediated disruption of the Regnase-1 self-regulation pathway is an attractive therapeutic strategy to enhance Regnase-1 abundance, which could provide clinical benefits for treating inflammatory diseases through the suppression of inflammation.

ORGANISM(S): Mus musculus

PROVIDER: GSE182641 | GEO | 2022/03/28

REPOSITORIES: GEO

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