Article
Dopamine directly modulates GABAA receptors.
The Journal of neuroscience : the official journal of the Society for Neuroscience - 25 Feb 2015
Hoerbelt Paul, Lindsley Tara A, Fleck Mark W
Abstract excerpt
Dopamine is a critical neuromodulator that activates GPCRs in mammals or ligand-gated ion channels in invertebrates. The present study demonstrates that dopamine (0.1-10 mm) exerts novel, opposing effects on different populations of mammalian (rat) GABAA receptors. Using whole-cell patch-clamp electrophysiology, we observed direct dopamine-mediated inhibition of tonic-level (1 μm) GABA-evoked currents in...
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