GIRK currents in VTA dopamine neurons control the sensitivity of mice to cocaine-induced locomotor sensitization [Neuroscience]

GABABR-dependent activation of G protein-gated inwardly rectifying potassium channels (GIRK or KIR3) provides a well-known source of inhibition in the brain, but the details on how this important inhibitory pathway affects neural circuits are lacking. We used sorting nexin 27 (SNX27), an endosomal adaptor protein that associates with GIRK2c and...

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