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Neuroreport. 1997 Sep 8;8(13):2897-901.

Effects of acetylcholine and glutamate on isolated neurons of locomotory network of Clione.

Author information

1
Institute of Problems of Information Transmission, Russian Academy of Sciences, Moscow.

Abstract

In Clione limacina, locomotory rhythm is produced in the central pattern generator by reciprocal activity of two groups of interneurons. Dorsal (D) and ventral (V) phase interneurons activate neurons of the same phase and inhibit neurons of the opposite phase. Which neurotransmitters are used by these interneurons is not clear. In this study, identified follower neurons to V and D interneurons were isolated, and their responses to the local application of potential neurotransmitters were examined. Acetylcholine exerted inhibitory action on the isolated D-phase neurons and excitatory action on V-phase neurons. Glutamate produced excitation in D-phase neurons, and inhibition in V-phase neurons. These results suggest that acetylcholine is the neurotransmitter of D-phase interneurons, while glutamate might be the neurotransmitter of V-phase interneurons.

PMID:
9376527
[Indexed for MEDLINE]

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