Issue 4, 2024

Small molecules modulating RNA splicing: a review of targets and future perspectives

Abstract

In eukaryotic cells, RNA splicing is crucial for gene expression. Dysregulation of this process can result in incorrect mRNA processing, leading to aberrant gene expression patterns. Such abnormalities are implicated in many inherited diseases and cancers. Historically, antisense oligonucleotides, which bind to specific RNA targets, have been used to correct these splicing abnormalities. Despite their high specificity of action, these oligonucleotides have drawbacks, such as lack of oral bioavailability and the need for chemical modifications to enhance cellular uptake and stability. As a result, recent efforts focused on the development of small organic molecules that can correct abnormal RNA splicing event under disease conditions. This review discusses known and potential targets of these molecules, including RNA structures, trans-acting splicing factors, and the spliceosome – the macromolecular complex responsible for RNA splicing. We also rely on recent advances to discuss therapeutic applications of RNA-targeting small molecules in splicing correction. Overall, this review presents an update on strategies for RNA splicing modulation, emphasizing the therapeutic promise of small molecules.

Graphical abstract: Small molecules modulating RNA splicing: a review of targets and future perspectives

Article information

Article type
Review Article
Submitted
21 جمادى الأولى 1445
Accepted
21 جمادى الثانية 1445
First published
29 جمادى الثانية 1445

RSC Med. Chem., 2024,15, 1109-1126

Small molecules modulating RNA splicing: a review of targets and future perspectives

L. Bouton, A. Ecoutin, F. Malard and S. Campagne, RSC Med. Chem., 2024, 15, 1109 DOI: 10.1039/D3MD00685A

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