107-Glioma-Neuron Interactions: Retrograde Tracing Study

The article describes research focused on characterizing and targeting glioblastoma (GB) neuron-tumor networks using a modified rabies virus for retrograde tracing. This technique effectively maps the brain-wide neuronal connectome of glioblastoma, revealing that the rapid integration of tumor cells into neuronal circuits promotes tumor growth and invasion. The study identifies acetylcholine-mediated tumor growth and proposes therapeutic strategies, including disconnecting these neuron-tumor networks using a combination of radiotherapy with AMPA receptor inhibition or via rabies-mediated genetic ablation of connected neurons to significantly reduce tumor progression. The research provides a valuable framework for understanding the malignant circuitry of glioblastoma across various model systems and suggests potential personalized therapeutic avenues.

References:

• Tetzlaff S K, Reyhan E, Layer N, et al. Characterizing and targeting glioblastoma neuron-tumor networks with retrograde tracing[J]. Cell, 2025, 188(2): 390-411. e36.