Related Experiment Video
Updated: Sep 20, 2025
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AAV Deployment of Enhancer-Based Expression Constructs In Vivo in Mouse Brain
Published on: March 31, 2022
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An enhancer-AAV toolbox to target and manipulate distinct interneuron subtypes.
Elisabetta Furlanis1, Min Dai1, Brenda Leyva Garcia1
1Harvard Medical School, Blavatnik Institute, Department of Neurobiology, Boston, MA 02115, USA; Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA.
Neuron
|May 22, 2025
Summary
Researchers developed novel viral tools using enhancers to precisely target specific neuronal subtypes in the brain. These enhancer-AAV tools enable detailed study of neural circuits and offer potential for targeted therapies.
Area of Science:
- Neuroscience
- Molecular Biology
- Genomics
Background:
- Specific viral tools for targeting neuronal subtypes are limited.
- Enhancers incorporated into adeno-associated virus (AAV) vectors can restrict transgene expression to specific neuronal populations.
Purpose of the Study:
- To systematically identify enhancer candidates for telencephalic interneuron subtypes using single-cell genomic data.
- To establish and validate novel enhancer-AAV tools for precise targeting of distinct neuronal populations.
Main Methods:
- Systematic analysis of single-cell genomic data.
- Development and testing of enhancer-AAV vectors.
- Validation of tools across species.
Main Results:
- Identified novel enhancer candidates for telencephalic interneuron subtypes.
- Established highly specific enhancer-AAV tools for cortical interneurons and striatal cholinergic interneurons.
- Demonstrated the utility of these tools for targeting, observing, and manipulating specific neuronal subtypes.
Conclusions:
- Provided a powerful set of enhancer-AAV tools for neuroscience research.
- These tools enable precise study of neural circuits and functions.
- Offers potential for developing targeted therapies for neurological disorders.
