Target intelligence / Profile preview

Expanded CAG Repeat RNA Transcript (CAG RNA)

Target
CAG RNA
Molecular classification
RNA, Non-coding RNA, mRNA
01

Overview

Expanded CAG repeat RNA transcripts are mRNA or noncoding RNA molecules containing abnormally long stretches of CAG trinucleotide repeats. They contribute to the pathogenesis of polyglutamine diseases through RNA toxicity, nuclear foci formation, and repeat-associated non-AUG (RAN) translation.

Other names
Expanded CAG RNACAG repeat expansionToxic CAG RNA
02

Mechanism of action

Binding to expanded CAG repeats, blocking harmful RNA interactions, and/or reducing overall transcript levels.

03

Biological functions

RNA Splicing RegulationProtein SequestrationGene Expression RegulationRAN Translation
04

Disease associations

Neurodegenerative diseasePolyglutamine diseaseHuntington's DiseaseSpinocerebellar Ataxia
05

Safety considerations

Off-target effects of ASOsPotential for exon skippingDelivery to the central nervous system
06

Interacting drugs

Antisense Oligonucleotides (ASOs)

1 more in the full profile.

07

Biomarkers

CAG repeat lengthNuclear foci formationMBNL1 sequestration

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