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Gene therapy for CNS disorders: modalities, delivery and translational challenges
Jingjing Gao1,2, Swetharajan Gunasekar3, Ziting Judy Xia3
1Department of Biomedical Engineering, University of Massachusetts, Amherst, MA, USA. jgao@umass.edu.
Nature Reviews. Neuroscience
|June 19, 2024
Summary
Gene therapy shows promise for central nervous system (CNS) disorders by modulating gene expression. Addressing delivery challenges and learning from past trials is crucial for successful clinical translation of these genetic interventions.
Area of Science:
- Neuroscience
- Genetics
- Biotechnology
Background:
- Gene therapy offers a novel approach to correct abnormal gene expression in central nervous system (CNS) disorders.
- Approved therapies for spinal muscular atrophy (SMA), amyotrophic lateral sclerosis (ALS), and cerebral adrenoleukodystrophy highlight gene therapy's potential.
- Despite promising advancements, many gene therapy clinical translations have not reached the market.
Purpose of the Study:
- To review current gene therapy modalities for CNS diseases.
- To emphasize the link between delivery strategies, routes of administration, and therapeutic outcomes.
- To identify knowledge gaps and lessons from failed trials to improve clinical translatability.
Main Methods:
- Comprehensive review of existing literature on gene therapy for CNS disorders.
- Analysis of various gene therapy delivery systems and administration routes.
- Examination of clinical trial outcomes, focusing on successes and failures.
Main Results:
- Gene therapy requires precise targeting of genes to specific pathologies.
- Delivery methods and administration routes significantly impact therapeutic efficacy.
- Understanding and overcoming delivery challenges are critical for successful clinical application.
Conclusions:
- Further research is needed to optimize gene targeting and delivery for CNS disorders.
- Lessons learned from past clinical trials are vital for guiding future gene therapy development.
- Improving the clinical translatability of gene therapy is essential for managing and treating CNS diseases effectively.
