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Potential off-targets investigation of a lead antisense oligonucleotides targeting ABCA4 c.768G>T in retinal organoids

GSE253344 Homo sapiens Expression profiling by high throughput sequencing 8 samples Submitted 2025/01/16 Platform GPL24676
Summary
Stargardt disease type 1 (STGD1) is a progressive retinal disorder caused by bi-allelic variants in the ABCA4 gene. More than 2,400 unique ABCA4 variants have been described, a significant proportion of which affects pre-mRNA splicing. A recurrent variant at the exon-intron junction of exon 6, c.768G>T causes a 35 nt elongation of exon 6 that leads to premature termination of protein synthesis. Testing of antisense oligonucleotides (AON) in photoreceptor precursor cells and retinal organoids allowed the selection of a lead candidate AON that performed the best in rescuing the splicing defect caused by ABCA4 c.768G>T. Total transcriptomics analysis was performed to investigate the potential off-targets of this AON.
Published in
Preclinical assessment of splicing modulation therapy for ABCA4 variant c.768G>T in Stargardt disease
Karjosukarso DW, Bukkems F, Duijkers L et al. · Communications medicine 2025 · PMID 39838063 · doi:10.1038/s43856-024-00712-7
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Also filed as BioProject PRJNA1065372 and SRA study SRP484001. Searching any of these in the dataset finder brings you back here.

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