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Neurokinin agonists differentially affect A9 and A10 dopamine cells in the rat
P Overton1, P J Elliott, R M Hagan
1Department of Psychology, University of Reading, Berkshire, U.K.
European Journal of Pharmacology
|March 17, 1992
Abstract:
The effect of selective neurokinin (NK) receptor agonists on the activity of A9 and A10 dopamine cells was assessed using extracellular recording. A higher proportion of A10 cells which were administered the NK1 receptor agonist GR73632 or the NK3 receptor agonist senktide showed an effect, whereas the NK2 receptor agonist GR64349 did not discriminate as clearly between the two cell groups. The most frequently encountered response in all cases was an increase in firing rate.