Synthetic exosome delivery platform for CRISPR gene editing in alzheimer's research
A novel lipid nanoparticle, synthetic exosomes, enables delivery of CRISPR RNA across the blood-brain barrier for gene editing in Alzheimer's research, potentially transforming apoE4 to apoE3. This platform is being tested in transgenic animals to enhance precision medicine therapies.
Overview
This innovative platform uses synthetic exosomes (SEs), a type of lipid nanoparticle, to facilitate the delivery of CRISPR RNA molecules across the blood-brain barrier (BBB). The primary application is the transformation of the apoE4 gene, a major genetic factor in Alzheimer's disease, into the benign apoE3 variant. This approach could significantly advance precision medicine therapies for Alzheimer's by complementing existing treatments and offering a novel preventative strategy.
Technical specifications
The SEs are designed to encapsulate macromolecules such as RNA and proteins, ensuring they can penetrate the BBB after intravenous administration. Once delivered, the CRISPR RNA edits the apoE4 gene to apoE3 in brain cells. Validation is currently underway in transgenic mice and rats, with Next-Generation Sequencing (NGS) used to measure gene editing efficiency. Key features include:
- Deformable lipid nanoparticles for effective BBB penetration
- Capability to deliver therapeutic macromolecules to brain parenchyma
- Demonstrated editing of the E4 to E3 gene in transgenic animal models
Technology readiness level
Currently at TRL 3, this technology is in the active research and development stage with experimental proof of concept demonstrated in animal models. Ongoing studies aim to optimize dosage and delivery methods to enhance efficacy and safety.
About University of California, Los Angeles
The University of California, Los Angeles is a comprehensive public research university anchored in a global city and serving a large, diverse student body. Industry engages through an integrated academic health system that enables clinical research and translation, extensive shared instrumentation and cleanrooms, and co‑located labs that support prototyping. A new research and technology park and proximity to Southern California’s innovation economy provide convenient pathways for collaboration, sponsored projects, and access to talent. Campus research is supported by competitive federal funding from agencies such as NIH, NSF, DOE, and the Department of Defense. A dedicated technology transfer office streamlines IP protection, licensing, industry‑sponsored research, and startup incubation.
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