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An integrated approach to design novel therapeutic interventions for demyelinating disorders.

ABSTRACT: Therapeutic strategies are often based on two general principles: interference with the pathogenic process and repair of the damaged tissues. Recent studies, however, have suggested that several pathological conditions may result from the interplay between genetic susceptibility traits and environmental influences that, by modulating the epigenome, also affect disease onset and progression. Based on lessons from neural development, it is conceivable that new lines of preventive and possibly therapeutic intervention might be developed to modulate disease onset or decrease the severity of the symptoms. This review will discuss these concepts within the context of multiple sclerosis, the most common demyelinating disease of the central nervous system, and the leading cause of progressive neurological disability in young adults.

SUBMITTER: Vidaurre OG

PROVIDER: S-EPMC3383667 | biostudies-literature | 2012 Jun

REPOSITORIES: biostudies-literature

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An integrated approach to design novel therapeutic interventions for demyelinating disorders.

Vidaurre Oscar G OG Liu Jia J Haines Jeffery J Sandoval Juan J Nowakowski Richard R Casaccia Patrizia P

The European journal of neuroscience 20120601 12

Therapeutic strategies are often based on two general principles: interference with the pathogenic process and repair of the damaged tissues. Recent studies, however, have suggested that several pathological conditions may result from the interplay between genetic susceptibility traits and environmental influences that, by modulating the epigenome, also affect disease onset and progression. Based on lessons from neural development, it is conceivable that new lines of preventive and possibly ther ...[more]

PMID: 22708599

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Project description:Pre-mRNA splicing is a key control point in human gene expression. Disturbances in splicing due to mutation or aberrant splicing regulatory networks lead to dysregulated protein expression and contribute to a substantial fraction of human disease. Several classes of active and selective splicing modulator compounds (SMCs) have been recently identified and establish that pre-mRNA splicing represents a viable target for therapy. This also raises the intriguing possibility that SMCs may have broad capabilities to ameliorate aberrant splicing across multiple human disorders. We describe herein the identification of BPN-15477, a novel SMC that restores correct splicing of exon 20 in the Elongator complex protein 1 (ELP1) gene carrying the major IVS20+6T>C mutation responsible for familial dysautonomia. Given that BPN-15477 corrects splicing and increases full-length ELP1 protein in vivo, we developed a machine learning approach to evaluate the therapeutic potential of BPN-15477 to correct splicing in other human genetic diseases. Using transcriptome sequencing from compound-treated fibroblast cells, we identified treatment responsive sequence signatures, the majority of which center at the 5' splice site of exons whose inclusion or exclusion is modulated by SMC treatment. We then leveraged this model to identify 155 human disease genes that harbor ClinVar mutations predicted to alter pre-mRNA splicing as potential targets for BPN-15477 treatment. Using in vitro splicing assays, we validated representative predictions by demonstrating successful correction of splicing defects caused by mutations in the genes responsible for cystic fibrosis (CFTR), cholesterol ester storage disease (LIPA), Lynch syndrome (MLH1) and familial frontotemporal dementia (MAPT). Importantly, we also validated these predictions in two disease relevant cellular models for LIPA and CFTR, confirming that treatment increases functional protein and confirming the clinical potential for our model predictions. Our study shows that deep learning techniques can identify a complex set of sequence signatures and predict response to pharmacological modulation, strongly supporting the use of in silico approaches to expand the therapeutic potential of drugs that modulate splicing.

Dataset Information

An integrated approach to design novel therapeutic interventions for demyelinating disorders.

Publications

An integrated approach to design novel therapeutic interventions for demyelinating disorders.

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