A new brain-mapping tool just dropped!
LA JOLLA—Scientists at the Salk Institute are unveiling a new brain-mapping neurotechnology called Single Transcriptome Assisted Rabies Tracing (START). The cutting-edge tool combines two advanced technologies—monosynaptic rabies virus tracing and single-cell transcriptomics—to map the brain’s intricate neuronal connections with unparalleled precision.
Using the technique, the researchers became the first to identify the patterns of connectivity made by transcriptomic subtypes of inhibitory neurons in the cerebral cortex. They say having this ability to map the connectivity of neuronal subtypes will drive the development of novel therapeutics that can target certain neurons and circuits with greater specificity. Such treatments could be more effective and produce fewer side effects than current pharmacological approaches.
The study, published on September 30, 2024, in Neuron, is the first to resolve cortical connectivity at the resolution of transcriptomic cell types.
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