Target intelligence / Profile preview

Huntingtin mRNA (HTT mRNA)

Target
HTT mRNA
Molecular classification
mRNA, RNA
01

Overview

Huntingtin mRNA is the messenger RNA that encodes the huntingtin (HTT) protein, which plays a crucial role in various cellular functions and is associated with Huntington's disease (HD) when mutated. It contains a CAG repeat sequence, which, when expanded, leads to the production of mutant HTT protein and the development of HD. Targeting HTT mRNA is a therapeutic strategy for treating Huntington's disease.

Other names
mHTT mRNA (mutant Huntingtin mRNA)HTT transcript
02

Mechanism of action

Antisense oligonucleotides bind to HTT mRNA and promote its degradation. RNA interference uses small interfering RNAs to target HTT mRNA for degradation. Zinc-Finger Transcriptional Repressors aim to reduce transcription of the HTT gene. CRISPR/Cas9 methods also aim to reduce transcription by targeting the DNA directly.

03

Biological functions

Encodes Huntingtin proteinRegulation of gene expressionPost-transcriptional regulation
04

Disease associations

Huntington's DiseaseNeurodegenerative disease
05

Safety considerations

Off-target effects of ASOs and RNAiImmunogenicity of ASOs and RNAiPotential for incomplete HTT loweringUnintended consequences of reducing HTT expression
06

Interacting drugs

Antisense Oligonucleotides (ASOs)

3 more in the full profile.

07

Biomarkers

HTT mRNA levels in blood or CSFCAG repeat length in HTT gene

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