NewslettersNeural Cell News Astrocytes Mediate the Dopaminergic Modulation of Tonic GABAergic Signaling in Substantia Nigra By Makenna Cameron - September 16, 2026 0 12 Scientists studied the ability of dopamine to modulate SNr neuron activity in ex vivo mouse brain slices, demonstrating that dopaminergic modulation of astrocytes plays a key role in modulating SNr circuits and motor behavior. [Science Advances] Full Article