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Small molecule activation of a pseudoexon triggers huntingtin-lowering

ABSTRACT: This SuperSeries is composed of the SubSeries listed below.

ORGANISM(S): Homo sapiens

PROVIDER: GSE162814 | GEO | 2021/07/01

REPOSITORIES: GEO

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Small molecule activation of a pseudoexon triggers huntingtin-lowering (AmpliSeq)

Project description:Huntington’s disease (HD) is a hereditary neurodegenerative disorder caused by abnormal expansion of cytosine-adenine-guanine (CAG) trinucleotide repeats in the huntingtin gene (HTT). The resultant mutant protein is ubiquitously expressed and drives pathogenesis of HD through a toxic gain-of-function mechanism. Animal models of HD have demonstrated that reducing huntingtin protein (HTT) levels alleviates HD-associated motor and neuropathological abnormalities, confirming the importance of huntingtin-lowering as a therapeutic approach. Several therapies in development repress HTT transcription or translation, including antisense oligonucleotides, virally-delivered microRNAs, and zinc finger protein transcription factors. However, they all require invasive procedures to reach the central nervous system (CNS) and do not distribute evenly to target areas in the brain. Systemically distributed therapeutics are needed to address the CNS and peripheral dysfunctions associated with HD. Here we report the discovery of small molecule splicing modifiers that lower HTT expression by selective modulation of pre-mRNA splicing. These compounds promote the inclusion of a pseudoexon containing a premature termination codon triggering HTT mRNA degradation and a reduction of HTT protein levels in vitro and in vivo. These orally bioavailable small molecules represent a non-invasive treatment option for HD and our findings support their continued development for the treatment of HD.

2021-07-01 | GSE162812 | GEO

Small molecule activation of a pseudoexon triggers huntingtin-lowering (RNA-Seq)

2021-07-01 | GSE162813 | GEO

Small molecule activation of a pseudoexon triggers huntingtin-lowering

Project description:Small molecule activation of a pseudoexon triggers huntingtin-lowering

| PRJNA683073 | ENA

Small molecule activation of a pseudoexon triggers huntingtin-lowering (AmpliSeq)

Project description:Small molecule activation of a pseudoexon triggers huntingtin-lowering (AmpliSeq)

| PRJNA683141 | ENA

Small molecule activation of a pseudoexon triggers huntingtin-lowering (RNA-Seq)

Project description:Small molecule activation of a pseudoexon triggers huntingtin-lowering (RNA-Seq)

| PRJNA683140 | ENA

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